WO2007149682A3 - Energy efficient transflective display - Google Patents

Energy efficient transflective display Download PDF

Info

Publication number
WO2007149682A3
WO2007149682A3 PCT/US2007/069808 US2007069808W WO2007149682A3 WO 2007149682 A3 WO2007149682 A3 WO 2007149682A3 US 2007069808 W US2007069808 W US 2007069808W WO 2007149682 A3 WO2007149682 A3 WO 2007149682A3
Authority
WO
WIPO (PCT)
Prior art keywords
energy efficient
transflective display
sheet
display panel
transflective
Prior art date
Application number
PCT/US2007/069808
Other languages
French (fr)
Other versions
WO2007149682A2 (en
Inventor
Udayan Kanade
Balaji Ganapathy
Original Assignee
I2Ic Corp
Udayan Kanade
Balaji Ganapathy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by I2Ic Corp, Udayan Kanade, Balaji Ganapathy filed Critical I2Ic Corp
Priority to JP2009512329A priority Critical patent/JP2009538453A/en
Publication of WO2007149682A2 publication Critical patent/WO2007149682A2/en
Publication of WO2007149682A3 publication Critical patent/WO2007149682A3/en

Links

Classifications

    • 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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133553—Reflecting elements
    • G02F1/133555—Transflectors
    • 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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • 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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133605—Direct backlight including specially adapted reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

An energy efficient transflective display system (299) is disclosed. In one embodiment, the system comprises a reflector sheet (201) an a transparent backlight sheet (202) placed in front of the reflector sheet. A display panel is placed in front of the transparent backlight sheet where the display panel has a light valve (206).
PCT/US2007/069808 2006-05-25 2007-05-25 Energy efficient transflective display WO2007149682A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009512329A JP2009538453A (en) 2006-05-25 2007-05-25 Energy efficient transmission display

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN797MU2006 2006-05-25
IN797/MUM/2006 2006-05-25

Publications (2)

Publication Number Publication Date
WO2007149682A2 WO2007149682A2 (en) 2007-12-27
WO2007149682A3 true WO2007149682A3 (en) 2008-07-31

Family

ID=38834215

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/069808 WO2007149682A2 (en) 2006-05-25 2007-05-25 Energy efficient transflective display

Country Status (3)

Country Link
US (2) US8089580B2 (en)
JP (1) JP2009538453A (en)
WO (1) WO2007149682A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9812075B2 (en) * 2013-02-26 2017-11-07 Beijing Lenovo Software Ltd. Display screen, electronic device and information processing method for the electronic device
JP6586092B2 (en) 2013-12-19 2019-10-02 コーニング インコーポレイテッド Relief surface for display applications
US10781397B2 (en) 2014-12-30 2020-09-22 Exxonmobil Research And Engineering Company Lubricating oil compositions with engine wear protection
US10043456B1 (en) * 2015-12-29 2018-08-07 Amazon Technologies, Inc. Controller and methods for adjusting performance properties of an electrowetting display device
KR20180042892A (en) * 2016-10-18 2018-04-27 삼성디스플레이 주식회사 Display apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6646636B1 (en) * 1999-10-29 2003-11-11 Digilens Inc. Display system utilizing ambient light and a dedicated light source
US20040246434A1 (en) * 2001-10-16 2004-12-09 Mitsuo Ohashi Liquid crystal display and its correcting method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5146355A (en) * 1986-10-23 1992-09-08 Litton Systems Canada Limited Transflective mode liquid crystal display with phosphor illumination
US5686979A (en) * 1995-06-26 1997-11-11 Minnesota Mining And Manufacturing Company Optical panel capable of switching between reflective and transmissive states
US6532152B1 (en) * 1998-11-16 2003-03-11 Intermec Ip Corp. Ruggedized hand held computer
US20020163606A1 (en) * 1999-12-07 2002-11-07 Kitai Adrian H. Liquid crystal display devices having an electroluminescent backlight assembly
KR100783607B1 (en) * 2000-06-23 2007-12-07 삼성전자주식회사 Backlight unit for lcd
JP2003015133A (en) * 2001-04-27 2003-01-15 Citizen Watch Co Ltd Liquid crystal display device
US6791636B2 (en) * 2001-05-10 2004-09-14 Lumilecs Lighting U.S., Llc Backlight for a color LCD
US7440044B2 (en) * 2004-11-29 2008-10-21 Arisawa Manufacturing Co., Ltd. Color display device and method
KR100755511B1 (en) 2005-12-16 2007-09-04 태원전기산업 (주) System for Multi functional remote controller

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6646636B1 (en) * 1999-10-29 2003-11-11 Digilens Inc. Display system utilizing ambient light and a dedicated light source
US20040246434A1 (en) * 2001-10-16 2004-12-09 Mitsuo Ohashi Liquid crystal display and its correcting method

Also Published As

Publication number Publication date
WO2007149682A2 (en) 2007-12-27
US20120069271A1 (en) 2012-03-22
JP2009538453A (en) 2009-11-05
US8089580B2 (en) 2012-01-03
US20080002095A1 (en) 2008-01-03

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