CN104820304A - Liquid crystal characteristic test device and test method, display panel and manufacturing method thereof - Google Patents
Liquid crystal characteristic test device and test method, display panel and manufacturing method thereof Download PDFInfo
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- CN104820304A CN104820304A CN201510278609.XA CN201510278609A CN104820304A CN 104820304 A CN104820304 A CN 104820304A CN 201510278609 A CN201510278609 A CN 201510278609A CN 104820304 A CN104820304 A CN 104820304A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
Abstract
An embodiment of the invention provides a liquid crystal characteristic test device and test method, a display panel and a manufacturing method thereof and belongs to the technical field of displays. The liquid crystal characteristic test device is used for causing liquid crystal characteristic testing in a liquid crystal display device to be more accurate. The liquid crystal characteristic test device comprises a test electrode, a lead and a test element group. The test electrode is arranged on the outer side of frame-sealing glue of the display panel, the test element group is arranged on a wiring area of the display panel, and the lead penetrates the frame-sealing glue to be electrically connected with the test electrode and the test element group. The test electrode comprises a first electrode and a second electrode. The lead comprises a first lead and a second lead. The test element group comprises a first transparent electrode pattern, a second transparent electrode pattern and an insulating structure. The first electrode is electrically connected with the first transparent electrode pattern through the first lead, and the second electrode is electrically connected with the second transparent electrode pattern through the second lead. The liquid crystal characteristic test device and test method, the display panel and the manufacturing method are used for display manufacture.
Description
Technical field
The present invention relates to display technology field, particularly relate to a kind of liquid crystal characteristic proving installation and method of testing and display panel and manufacture method thereof.
Background technology
At liquid crystal display (English full name: Liquid Crystal Display; be called for short: in manufacture process LCD); often have because the product that mesogenic material pollutes and the pollution of manufacturing process to liquid crystal causes is bad; in time can accurate analysis poor prognostic cause to the detection of liquid crystal characteristic; and solution is proposed; so the detection of liquid crystal characteristic can be improved the quality of products, be saved production cost, production is had very important significance.
The major parameter evaluating liquid crystal characteristic has: voltage retention (English full name: VoltageHolding Radio, VHR), ion concentration (English full name: Ion Density) and remnant DC voltages (English full name: Residual Direct Current, abbreviation: RDC) be called for short:.To the detection mode of liquid crystal characteristic be at present: make small-sized liquid crystal test box (English name: Mini cell) at the working condition of laboratory simulation production line, the liquid crystal characteristic of this small-sized liquid crystal test box is tested, obtain the parameters such as VHR, ion concentration, RDC, finally according to these parameters, the liquid crystal characteristic in the liquid crystal display on production line is evaluated.But, due to laboratory cannot completely simulation production line environment fuselage produce equipment, and the artificial pollution on production line also cannot be simulated in laboratory, so the liquid crystal characteristic evaluated with the characterisitic parameter of the interior liquid crystal of the small-sized liquid crystal test box of making in laboratory in the liquid crystal display on production line lacks accuracy.In sum, how making the liquid crystal characteristic in liquid crystal display carry out testing is more accurately the problem that those skilled in the art need solution badly.
Summary of the invention
Embodiments of the invention provide a kind of liquid crystal characteristic proving installation and method and display panel and manufacture method, test the liquid crystal characteristic in liquid crystal display for connecing.
For achieving the above object, embodiments of the invention adopt following technical scheme:
First aspect, a kind of liquid crystal characteristic proving installation is provided, for testing the characteristic of the liquid crystal in display panels, the public electrode of described display panels and pixel electrode are positioned at the same side of liquid crystal layer, comprise: be arranged at the test electrode on the array base palte of described display panels, lead-in wire and testing element group (English full name: Test Element Group, be called for short: TEG), described test electrode is arranged at outside the sealed plastic box of described display panel, described testing element group is arranged at the wiring area of described display panel, described lead-in wire is electrically connected described test electrode and testing element group through sealed plastic box,
Described test electrode comprises: the first electrode and the second electrode; Described lead-in wire comprises: the first lead-in wire and the second lead-in wire; Described testing element group comprises: the first transparent electrode pattern, the second transparent electrode pattern and the insulation system between described first transparent electrode pattern and the second transparent electrode pattern;
Described first electrode, by described first transparent electrode pattern of the first lead-in wire electrical connection, adds electrical signals for going between by first to described first transparent electrode pattern;
Described second electrode, by described second transparent electrode pattern of the second lead-in wire electrical connection, adds electrical signals for going between by second to described second transparent electrode pattern.
Optionally, described first transparent electrode pattern is planar transparent electrode pattern, and described second transparent electrode pattern is comb teeth-shaped transparent electrode pattern.
Optionally, the area of described first transparent electrode pattern is greater than the area of described pixel electrode, and the area of described second transparent electrode pattern is greater than the area of described pixel electrode.
Optionally, the comb width of described second transparent electrode pattern is identical with the width of described pixel electrode, and the comb bearing of trend of described second transparent electrode pattern is identical with the bearing of trend of described pixel electrode.
Optionally, described first lead-in wire and described second in sealed plastic box region is provided with gap on going between.
Optionally, the described insulation system between described first transparent electrode pattern and described second transparent electrode pattern comprises: the first insulation system and the second insulation system;
Described first electrode comprises: the first metal construction and the 3rd transparent electrode pattern, and described first metal construction is electrically connected with described 3rd transparent electrode pattern by via hole;
Described second electrode comprises: the second metal construction and the 4th transparent electrode pattern, and described second metal construction is electrically connected with described 4th transparent electrode pattern by via hole;
The gate insulation layer of described first insulation system and described display panel makes with layer, the source and drain insulation course stating the second insulation system and described display panel makes with layer, described first metal construction and described first goes between and to make with layer, described second metal construction and described second goes between and to make with layer, and the 3rd transparent electrode pattern, the 4th transparent electrode pattern and described second transparent electrode pattern make with layer.
Optionally, described first transparent electrode pattern and described public electrode make with layer, the grid metal level of described first lead-in wire, described first metal construction and described display panel makes with layer, the source and drain metal level of described second lead-in wire, described second metal construction and described display panel makes with layer, and described second transparent electrode pattern, described 3rd transparent electrode pattern, described 4th transparent electrode pattern and described pixel electrode make with layer.
Second aspect, provides a kind of liquid crystal characteristic method of testing being applied to liquid crystal characteristic proving installation described in any one of first aspect, comprising:
Load the first electric signal by the first electrode pair first transparent electrode pattern, load the first electric signal by the second electrode pair second transparent electrode pattern; Described first electrode and the first transparent electrode pattern go between by first and are electrically connected, and described second electrode and the second transparent electrode pattern go between by second and be electrically connected;
Load between the first transparent electrode pattern of the first electric signal and the second transparent electrode pattern loading the second electric signal and produce electric field;
Described electric field makes the liquid crystal molecule of described liquid crystal layer deflect;
Liquid crystal characteristic is obtained by the deflection characteristic detecting described liquid crystal molecule.
The third aspect, provides a kind of display panels, comprises the liquid crystal characteristic proving installation described in any one of first aspect.
Fourth aspect, provides a kind of manufacture method of display panels, comprising:
Underlay substrate is formed the first transparent electrode material layer, and on described first transparent electrode material layer, forms public electrode and the first transparent electrode pattern by patterning processes;
Be formed with public electrode with the underlay substrate of the first transparent electrode pattern on form the first metal material layer, and on described first metal material layer, form gate electrode, grid line, the first lead-in wire and the first metal construction by patterning processes, described first lead-in wire described first transparent electrode pattern of electrical connection and the first metal construction;
Make the first insulation course covering described gate electrode, grid line, the first lead-in wire and the first metal construction;
Described first insulation course forms semiconductor and has edge layer;
Form the second metal material layer being formed with semiconductor and having on the underlay substrate of edge layer, and on described second metal material layer, form source electrode, drain electrode, data line, the second lead-in wire and the second metal construction by patterning processes, described second metal construction of described second lead-in wire electrical connection;
Make the second insulation course covering described source electrode, drain electrode, data line, the second lead-in wire and the second metal construction;
Make the first via hole, the second via hole, the 3rd via hole and the 4th via hole;
Second insulation course is formed the second transparent electrode material layer, and on described second transparent electrode material layer, form pixel electrode, the second transparent electrode pattern, the second transparent electrode pattern, described 3rd transparent electrode pattern, described 4th transparent electrode pattern by patterning processes; Described pixel electrode is electrically connected with described drain electrode by the first via hole, described second transparency electrode figure is gone between by described second via hole and second and is electrically connected, described first metal construction is electrically connected with described 3rd transparent electrode pattern by the 3rd via hole, and described second metal construction is electrically connected with described 4th transparent electrode pattern by the 4th via hole.
The liquid crystal characteristic proving installation that embodiments of the invention provide comprises test electrode, lead-in wire and testing element group on the array base palte being arranged at described display panels, described test electrode is arranged at outside the sealed plastic box of described display panel, described testing element group is arranged at the wiring area of described display panel, described lead-in wire is electrically connected described test electrode and testing element group through sealed plastic box, and testing element group comprises: the first transparent electrode pattern, the second transparent electrode pattern and the insulation course between the first transparent electrode pattern and the second transparent electrode pattern, test electrode comprises the first electrode and the second electrode, lead-in wire comprises the first lead-in wire and the second lead-in wire, first electrode is by described first transparent electrode pattern of the first lead-in wire electrical connection, second electrode is by the second lead-in wire electrical connection second transparent electrode pattern, so can when carrying out liquid crystal characteristic test, respectively electrical signals is added to the first transparent electrode pattern and the second transparent electrode pattern by the first electrode and the second electrode, make to produce electric field between the first transparent electrode pattern and the second transparent electrode pattern, and then make liquid crystal produce deflection, and the logical detection to liquid crystal deflection obtains liquid crystal characteristic, embodiments of the invention can directly be tested the liquid crystal characteristic in liquid crystal display, so it is more accurate that liquid crystal characteristic can be made to test.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The liquid crystal characteristic proving installation schematic diagram that Fig. 1 provides for the embodiment of the present invention;
The sectional view of A-A ' vertical cross-section in Fig. 1 that Fig. 2 provides for the embodiment of the present invention;
First lead-in wire in the sealed plastic box region that Fig. 3 provides for the embodiment of the present invention and the exemplary block diagram of the second lead-in wire;
The schematic diagram of the TEG that Fig. 4 provides for the embodiment of the present invention;
The schematic diagram of the first electrode that Fig. 5 provides for the embodiment of the present invention;
The schematic diagram of the second electrode that Fig. 6 provides for the embodiment of the present invention;
The flow chart of steps of the liquid crystal characteristic method of testing that Fig. 7 provides for the embodiment of the present invention;
The flow chart of steps of the manufacture method of the display panels that Fig. 8 provides for the embodiment of the present invention.
Reference numeral:
10-sealed plastic box;
1-test electrode;
11-first electrode;
111-first metal construction;
112 the 3rd transparent electrode patterns;
12-second electrode;
121-second metal construction;
122 the 4th transparent electrode patterns;
2-goes between;
21-first goes between;
22-second goes between;
3-TEG；
31-first transparent electrode pattern;
32-second transparent electrode pattern;
33-insulation system;
331-first insulation system;
332-second insulation system.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In the embodiment of the present invention " on ", D score is as the criterion with sequencing during manufacturing array substrate, such as, refers to relatively at the pattern of rear formation at upper pattern, under pattern refer to the pattern relatively formerly formed.
Embodiments of the invention provide a kind of liquid crystal characteristic proving installation, and for testing the characteristic of the liquid crystal in display panels, the public electrode of this display panels and pixel electrode are positioned at the same side of liquid crystal layer.
It should be noted that, the display device that public electrode and pixel electrode are positioned at the same side of liquid crystal layer comprises and mainly comprising: plane conversion (English full name: In Plane Switching, be called for short: IPS) (English full name: Fringe FieldSwitching is called for short: FFS) mode display device for mode display device and fringe field switching.IPS technology and FFS technology, all belong to the one of LCD wide viewing angle technology, and it is close in IPS and FFS technology and principle, be all the pixel electrode by being positioned at liquid crystal layer the same side and public electrode generation electric field plane, enable liquid crystal molecule in liquid crystal cell produce rotation, but IPS and FFS technology have again the difference of essence.Pixel electrode and public electrode are spaced at the same layer of array base palte by IPS technology, and therefore the applying Electric Field Mode of IPS mode display device is level, although and FFS technology and IPS technology belong to plane control pattern wide viewing angle technology.But first it be change the opaque metal electrode of IPS into transparency electrode to increase transmittance, on the other hand, pixel electrode and public electrode are no longer spaced, but public electrode is separated overlapping arrangement with pixel electrode by insulation course, greatly can reduce width and the spacing of pixel electrode, during such energising, liquid crystal molecule between electric field action bottom electrode and on electrode all rotates in the face being parallel to panel, ensure that light, all through the minor axis of liquid crystal molecule, does not have directional dependence and expands visual angle in all directions.FFS technology, under the prerequisite realizing wide viewing angle, achieves the good characteristics such as high light transmission efficiency, high-contrast, high brightness, low aberration simultaneously.Current FFS mode display device can realize high-penetrability simultaneously and wait requirement with great visual angle, therefore enjoys relevant dealer to pay much attention to.
Concrete, with reference to shown in Fig. 1, this liquid crystal characteristic proving installation comprises: be arranged at the test electrode 1 on the array base palte of display panels, lead-in wire 2 and TEG 3, test electrode 1 is arranged at outside the sealed plastic box 10 of display panel, TEG 3 is arranged at the wiring area of display panel, and lead-in wire 2 is electrically connected test electrode 1 and TEG 3 through sealed plastic box 10;
Test electrode 1 comprises: the first electrode 11 and the second electrode 12; Lead-in wire 2 comprises: the first lead-in wire 21 and the second lead-in wire 22.
Further, with reference to shown in Fig. 2, wherein, Fig. 2 is the sectional view along A-A ' vertical cross-section in Fig. 1, and TEG 3 comprises: the first transparent electrode pattern 31, second transparent electrode pattern 32 and the insulation system 33 between the first transparent electrode pattern 31 and the second transparent electrode pattern 32.Exemplary, the first transparent electrode pattern is planar pattern, and the second transparent electrode pattern is comb teeth-shaped transparent electrode pattern.
First electrode 11 is electrically connected the first transparent electrode pattern 31 by the first lead-in wire 21, for adding electrical signals by the first lead-in wire 21 to the first transparent electrode pattern 31;
Second electrode 12 is electrically connected the second transparent electrode pattern 32 by the second lead-in wire 22, for adding electrical signals by the second lead-in wire 22 to the second transparent electrode pattern 32.
Wherein, wiring area generally includes source-drain electrode and drives wiring area and raster data model wiring area, and the present invention does not limit this.In addition, within wiring area is positioned at sealed plastic box, namely display device comprises liquid crystal on the direction of the vertical display panel in wiring area.
ITO) or Graphene exemplary, the first transparency electrode can be that (English full name: IndiumTin Oxide, be called for short:, equally, the second transparency electrode also can be ITO or Graphene etc. to indium tin oxide.
The liquid crystal characteristic proving installation that embodiments of the invention provide comprises the test electrode be arranged on the array base palte of display panels, lead-in wire and TEG, test electrode is arranged at outside the sealed plastic box of display panel, TEG is arranged at the wiring area of display panel, lead-in wire comprises through sealed plastic box electrical connection test electrode and TEG, TEG: the first transparent electrode pattern, the second transparent electrode pattern and the insulation course between the first transparent electrode pattern and the second transparent electrode pattern, test electrode comprises the first electrode and the second electrode, lead-in wire comprises the first lead-in wire and the second lead-in wire, first electrode is by the first lead-in wire electrical connection first transparent electrode pattern, second electrode is by the second lead-in wire electrical connection second transparent electrode pattern, so can when carrying out liquid crystal characteristic test, respectively electrical signals is added to the first transparent electrode pattern and the second transparent electrode pattern by the first electrode and the second electrode, make to produce electric field between the first transparent electrode pattern and the second transparent electrode pattern, and then make liquid crystal produce deflection, and the logical detection to liquid crystal deflection obtains liquid crystal characteristic, embodiments of the invention can directly be tested the liquid crystal characteristic in liquid crystal display, so it is more accurate that liquid crystal characteristic can be made to test.In addition on the one hand, the TEG distance sealed plastic box in the liquid crystal characteristic proving installation that above-described embodiment provides is very near, so can better evaluate in each material containing precipitate during impurity.
Optionally, the area of the first transparent electrode pattern is greater than the area of pixel electrode, and the area of the second transparent electrode pattern is greater than the area of pixel electrode.The area arranging the first transparent electrode pattern is greater than the area of pixel electrode and the area that the area arranging the second transparent electrode pattern is greater than pixel electrode can amplify actual test signal when liquid crystal characteristic is tested, maximize and reduce test crosstalk, and then can test accuracy be increased.
Further alternative, the comb width of the second transparent electrode pattern is identical with the width of pixel electrode, and the comb bearing of trend of the second transparent electrode pattern is identical with the bearing of trend of pixel electrode.By making the comb width of the second transparent electrode pattern identical with the width of pixel electrode, and make the comb bearing of trend of the second transparent electrode pattern identical with the bearing of trend of pixel electrode, the shape of the second transparent electrode pattern and pixel electrode can be made more close, and then can more real analog pixel electrode, therefore can improve the accuracy of liquid crystal characteristic test.
Exemplary, with reference to shown in Fig. 3, first lead-in wire 21 in sealed plastic box 10 region and the second lead-in wire 22 are provided with gap.First lead-in wire and the second lead-in wire in sealed plastic box region arrange gap, light can from first lead-in wire and second lead-in wire gap through, thus ensure that sealed plastic box is by ultraviolet (English full name: ultraviolet, be called for short: UV) solidify, avoid because light cannot cannot be solidified by the first lead-in wire and second sealed plastic box caused that goes between.
Exemplary, with reference to shown in Fig. 4, wherein, Fig. 4 is the sectional view along A-A ' vertical cross-section in Fig. 1, and the insulation system 33 between the first transparent electrode pattern 31 and the second transparent electrode pattern 32 comprises: the first insulation system 331 and the second insulation system 332;
With reference to shown in Fig. 5, wherein, Fig. 5 is the sectional view along B-B ' vertical cross-section in Fig. 1, and the first electrode 11 comprises: the first metal construction 111 and the 3rd transparent electrode pattern 112, first metal construction 111 are electrically connected with the 3rd transparent electrode pattern 112 by via hole;
With reference to shown in Fig. 6, wherein, Fig. 6 is the sectional view along C-C ' vertical cross-section in Fig. 1, and the second electrode 12 comprises: the second metal construction 121 and the 4th transparent electrode pattern 122, second metal construction 121 are electrically connected with the 4th transparent electrode pattern 122 by via hole.
Wherein, the gate insulation layer of the first insulation system and display panel makes with layer, the source and drain insulation course stating the second insulation system and display panel makes with layer, first metal construction and first goes between and to make with layer, second metal construction and second goes between and to make with layer, and the 3rd transparent electrode pattern, the 4th transparent electrode pattern and the second transparent electrode pattern make with layer.
In the liquid crystal characteristic proving installation that above-described embodiment is carried, the gate insulation layer of the first insulation system and display panel makes with layer, the source and drain insulation course stating the second insulation system and display panel makes with layer, first metal construction and first goes between and to make with layer, second metal construction and second goes between and to make with layer, and the 3rd transparent electrode pattern, the 4th transparent electrode pattern and the second transparent electrode pattern make the fabrication processing that can simplify liquid crystal characteristic proving installation with layer.
Further, first transparent electrode pattern and public electrode make with layer, the grid metal level of the first lead-in wire, the first metal construction and display panel makes with layer, the source and drain metal level of the second lead-in wire, the second metal construction and display panel makes with layer, and the second transparent electrode pattern, the 3rd transparent electrode pattern, the 4th transparent electrode pattern and pixel electrode make with layer.
In the liquid crystal characteristic proving installation that above-described embodiment is carried, first transparent electrode pattern and public electrode make with layer, first lead-in wire, the grid metal level of the first metal construction and display panel makes with layer, second lead-in wire, the source and drain metal level of the second metal construction and display panel makes with layer, second transparent electrode pattern, 3rd transparent electrode pattern, 4th transparent electrode pattern and pixel electrode make with layer, so each structure all can to make with layer with the structure on the array base palte of display panel and formed in liquid crystal characteristic proving installation, and without the need to increasing new technological process to make liquid crystal characteristic proving installation, so above-described embodiment can simplify the fabrication processing of liquid crystal characteristic proving installation further.
One embodiment of the invention provides a kind of liquid crystal characteristic method of testing being applied to the liquid crystal characteristic proving installation that above-mentioned any embodiment provides.Concrete, with reference to shown in Fig. 7, the method comprises:
S701, load the first electric signal by the first electrode pair first transparent electrode pattern, load the first electric signal by the second electrode pair second transparent electrode pattern; First electrode and the first transparent electrode pattern go between by first and are electrically connected, and the second electrode and the second transparent electrode pattern go between by second and be electrically connected.
Exemplary, first electric signal can be the public electrode voltages of display panels, second electric signal can for the voltage when pixel electrode of display panels is high level, certain first electric signal and the second electric signal can also be other electric signal, first electric signal and the second electric signal are not limited at this, so that the electric field for testing can be produced between the first transparent electrode pattern and the second transparent electrode pattern herein.
S702, load the first electric signal the first transparent electrode pattern and load the second electric signal the second transparent electrode pattern between produce electric field.
S703, electric field make the liquid crystal molecule of liquid crystal layer deflect.
S704, by detect liquid crystal molecule deflection characteristic obtain liquid crystal characteristic.
The liquid crystal characteristic method of testing that embodiments of the invention provide, first the first electric signal is loaded by the first electrode pair first transparent electrode pattern, the second electric signal is loaded by the second electrode pair second transparent electrode pattern, thus make the second transparent electrode pattern of the first transparent electrode pattern of loading first electric signal and loading the second electric signal produce electric field, and then by electric field, liquid crystal molecule is deflected, liquid crystal characteristic is obtained finally by the deflection characteristic detecting liquid crystal molecule, so embodiments of the invention can directly can be tested the liquid crystal characteristic in display panels with embodiments of the invention.
Embodiments of the invention provide a kind of display panels, and this display panels comprises the liquid crystal characteristic proving installation that above-mentioned any embodiment provides.This liquid crystal proving installation can be able to be any product or parts with Presentation Function such as liquid crystal display, LCD TV, digital camera, mobile phone, panel computer for display device.
Liquid crystal characteristic proving installation in the special display panel of the liquid crystal that embodiments of the invention provide comprises the test electrode be arranged on the array base palte of display panels, lead-in wire and TEG, test electrode is arranged at outside the sealed plastic box of display panel, TEG is arranged at the wiring area of display panel, lead-in wire comprises through sealed plastic box electrical connection test electrode and TEG, TEG: the first transparent electrode pattern, the second transparent electrode pattern and the insulation course between the first transparent electrode pattern and the second transparent electrode pattern, test electrode comprises the first electrode and the second electrode, lead-in wire comprises the first lead-in wire and the second lead-in wire, first electrode is by the first lead-in wire electrical connection first transparent electrode pattern, second electrode is by the second lead-in wire electrical connection second transparent electrode pattern, so can when carrying out liquid crystal characteristic test, respectively electrical signals is added to the first transparent electrode pattern and the second transparent electrode pattern by the first electrode and the second electrode, make to produce electric field between the first transparent electrode pattern and the second transparent electrode pattern, and then make liquid crystal produce deflection, and the logical detection to liquid crystal deflection obtains liquid crystal characteristic, embodiments of the invention can directly be tested the liquid crystal characteristic in liquid crystal display, so it is more accurate that liquid crystal characteristic can be made to test.
One embodiment of the invention provides a kind of manufacture method of display panels, the display panels that the manufacture method of this display panels provides for making above-described embodiment.It should be noted that the patterning processes used in the manufacture method of this display panels generally includes the operations such as cleaning, film forming, photoresist coating, exposure, development, etching, photoresist lift off; Physical vapour deposition (PVD) mode (such as: magnetron sputtering method) film forming is adopted usually for metal level, forms figure by wet etching, and chemical vapor deposition mode film forming is adopted usually for non-metallic layer, form figure by dry etching.During certain step is following, can also be formed by patterning processes such as nano impression, optical diffraction dry quarter, electron-beam direct writings except can adopting above-mentioned patterning processes and forming each structure, in this no limit herein.Concrete, with reference to shown in Fig. 8, the manufacture method of this display panels comprises:
S801, on underlay substrate, form the first transparent electrode material layer, and on the first transparent electrode material layer, form public electrode and the first transparent electrode pattern by patterning processes.
S802, be formed with public electrode with the underlay substrate of the first transparent electrode pattern on form the first metal material layer, and on the first metal material layer, form gate electrode, grid line, the first lead-in wire and the first metal construction by patterning processes, the first lead-in wire electrical connection first transparent electrode pattern and the first metal construction.
First insulation course of S803, making covering grid electrode, grid line, the first lead-in wire and the first metal construction.
S804, the first insulation course forms semiconductor there is edge layer.
S805, form the second metal material layer being formed with semiconductor and having on the underlay substrate of edge layer, and on the second metal material layer, form source electrode, drain electrode, data line, the second lead-in wire and the second metal construction by patterning processes, the second lead-in wire electrical connection second metal construction.
Second insulation course of S806, making covering source electrode, drain electrode, data line, the second lead-in wire and the second metal construction.
S807, make the first via hole, the second via hole, the 3rd via hole and the 4th via hole.
S808, form the second transparent electrode material layer over the second dielectric, and on the second transparent electrode material layer, form pixel electrode, the second transparent electrode pattern, the second transparent electrode pattern, the 3rd transparent electrode pattern, the 4th transparent electrode pattern by patterning processes; Pixel electrode is electrically connected with drain electrode by the first via hole, second transparency electrode figure is gone between by the second via hole and second and is electrically connected, first metal construction is electrically connected with the 3rd transparent electrode pattern by the 3rd via hole, and the second metal construction is electrically connected with the 4th transparent electrode pattern by the 4th via hole.
The manufacture method of the display panels that above-described embodiment provides, liquid crystal characteristic proving installation is made while the array base palte making display panels, thus can test the liquid crystal characteristic of display panels, liquid crystal characteristic is tested more accurate, and each structure of liquid crystal characteristic proving installation all makes with layer with the array base palte of display panels and is formed, namely additionally need not increase patterning processes and can make the display panels that above-described embodiment provides, so the manufacture method of display panels that the embodiment of the present invention provides can save the technological process that display panels makes.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (10)
1. a liquid crystal characteristic proving installation, for testing the liquid crystal characteristic in display panels, the public electrode of described display panels and pixel electrode are positioned at the same side of liquid crystal layer, it is characterized in that, comprise: be arranged at the test electrode on the array base palte of described display panels, lead-in wire and testing element group, described test electrode is arranged at outside the sealed plastic box of described display panel, described testing element group is arranged at the wiring area of described display panel, and described lead-in wire is electrically connected described test electrode and testing element group through sealed plastic box;
Described test electrode comprises: the first electrode and the second electrode; Described lead-in wire comprises: the first lead-in wire and the second lead-in wire; Described testing element group comprises: the first transparent electrode pattern, the second transparent electrode pattern and the insulation system between described first transparent electrode pattern and the second transparent electrode pattern;
Described first electrode, by described first transparent electrode pattern of the first lead-in wire electrical connection, adds electrical signals for going between by first to described first transparent electrode pattern;
Described second electrode, by described second transparent electrode pattern of the second lead-in wire electrical connection, adds electrical signals for going between by second to described second transparent electrode pattern.
2. device according to claim 1, is characterized in that, described first transparent electrode pattern is planar transparent electrode pattern, and described second transparent electrode pattern is comb teeth-shaped transparent electrode pattern.
3. device according to claim 2, is characterized in that, the area of described first transparent electrode pattern is greater than the area of described pixel electrode, and the area of described second transparent electrode pattern is greater than the area of described pixel electrode.
4. device according to claim 2, is characterized in that, the comb width of described second transparent electrode pattern is identical with the width of described pixel electrode, and the comb bearing of trend of described second transparent electrode pattern is identical with the bearing of trend of described pixel electrode.
5. device according to claim 1, is characterized in that, described first lead-in wire in sealed plastic box region and described second lead-in wire are provided with gap.
6. device according to claim 1, is characterized in that, the described insulation system between described first transparent electrode pattern and described second transparent electrode pattern comprises: the first insulation system and the second insulation system;
Described first electrode comprises: the first metal construction and the 3rd transparent electrode pattern, and described first metal construction is electrically connected with described 3rd transparent electrode pattern by via hole;
Described second electrode comprises: the second metal construction and the 4th transparent electrode pattern, and described second metal construction is electrically connected with described 4th transparent electrode pattern by via hole;
Wherein, the gate insulation layer of described first insulation system and described display panel makes with layer, the source and drain insulation course stating the second insulation system and described display panel makes with layer, described first metal construction and described first goes between and to make with layer, described second metal construction and described second goes between and to make with layer, and the 3rd transparent electrode pattern, the 4th transparent electrode pattern and described second transparent electrode pattern make with layer.
7. device according to claim 6, it is characterized in that, described first transparent electrode pattern and described public electrode make with layer, the grid metal level of described first lead-in wire, described first metal construction and described display panel makes with layer, the source and drain metal level of described second lead-in wire, described second metal construction and described display panel makes with layer, and described second transparent electrode pattern, described 3rd transparent electrode pattern, described 4th transparent electrode pattern and described pixel electrode make with layer.
8. be applied to a liquid crystal characteristic method of testing for the liquid crystal characteristic proving installation described in claim 1-7 any one, it is characterized in that, comprising:
Load the first electric signal by the first electrode pair first transparent electrode pattern, load the first electric signal by the second electrode pair second transparent electrode pattern; Described first electrode and the first transparent electrode pattern go between by first and are electrically connected, and described second electrode and the second transparent electrode pattern go between by second and be electrically connected;
Load between the first transparent electrode pattern of the first electric signal and the second transparent electrode pattern loading the second electric signal and produce electric field;
Described electric field makes the liquid crystal molecule of described liquid crystal layer deflect;
Liquid crystal characteristic is obtained by the deflection characteristic detecting described liquid crystal molecule.
9. a display panels, is characterized in that, comprises the liquid crystal characteristic proving installation described in any one of claim 1-7.
10. a manufacture method for display panels, is characterized in that, comprising:
Underlay substrate is formed the first transparent electrode material layer, and on described first transparent electrode material layer, forms public electrode and the first transparent electrode pattern by patterning processes;
Be formed with public electrode with the underlay substrate of the first transparent electrode pattern on form the first metal material layer, and on described first metal material layer, form gate electrode, grid line, the first lead-in wire and the first metal construction by patterning processes, described first lead-in wire described first transparent electrode pattern of electrical connection and the first metal construction;
Make the first insulation course covering described gate electrode, grid line, the first lead-in wire and the first metal construction;
Described first insulation course forms semiconductor and has edge layer;
Form the second metal material layer being formed with semiconductor and having on the underlay substrate of edge layer, and on described second metal material layer, form source electrode, drain electrode, data line, the second lead-in wire and the second metal construction by patterning processes, described second metal construction of described second lead-in wire electrical connection;
Make the second insulation course covering described source electrode, drain electrode, data line, the second lead-in wire and the second metal construction;
Make the first via hole, the second via hole, the 3rd via hole and the 4th via hole;
Form the second transparent electrode material layer over the second dielectric, and on described second transparent electrode material layer, form pixel electrode, the second transparent electrode pattern, the second transparent electrode pattern, described 3rd transparent electrode pattern, described 4th transparent electrode pattern by patterning processes; Described pixel electrode is electrically connected with described drain electrode by the first via hole, described second transparency electrode figure is gone between by described second via hole and second and is electrically connected, described first metal construction is electrically connected with described 3rd transparent electrode pattern by the 3rd via hole, and described second metal construction is electrically connected with described 4th transparent electrode pattern by the 4th via hole.
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| CN106782249A (en) * | 2017-01-13 | 2017-05-31 | 京东方科技集团股份有限公司 | A kind of display panel, its electrical detection method and display device |
| CN112684626A (en) * | 2020-12-29 | 2021-04-20 | 滁州惠科光电科技有限公司 | Protection structure, color film substrate, array substrate and liquid crystal display panel |
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| CN104820304B (en) | 2017-12-08 |
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