CA2273040A1 - Monochromatic r,g,b laser light source display system and method - Google Patents
Monochromatic r,g,b laser light source display system and method Download PDFInfo
- Publication number
- CA2273040A1 CA2273040A1 CA002273040A CA2273040A CA2273040A1 CA 2273040 A1 CA2273040 A1 CA 2273040A1 CA 002273040 A CA002273040 A CA 002273040A CA 2273040 A CA2273040 A CA 2273040A CA 2273040 A1 CA2273040 A1 CA 2273040A1
- Authority
- CA
- Canada
- Prior art keywords
- light source
- display system
- laser light
- monochromatic
- source display
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000006243 chemical reaction Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3129—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] scanning a light beam on the display screen
-
- 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
- G02F1/35—Non-linear optics
- G02F1/353—Frequency conversion, i.e. wherein a light beam is generated with frequency components different from those of the incident light beams
- G02F1/3532—Arrangements of plural nonlinear devices for generating multi-colour light beams, e.g. arrangements of SHG, SFG, OPO devices for generating RGB light beams
-
- 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
- G02F1/35—Non-linear optics
- G02F1/353—Frequency conversion, i.e. wherein a light beam is generated with frequency components different from those of the incident light beams
- G02F1/3534—Three-wave interaction, e.g. sum-difference frequency generation
-
- 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
- G02F1/35—Non-linear optics
- G02F1/353—Frequency conversion, i.e. wherein a light beam is generated with frequency components different from those of the incident light beams
- G02F1/354—Third or higher harmonic generation
-
- 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
- G02F1/35—Non-linear optics
- G02F1/353—Frequency conversion, i.e. wherein a light beam is generated with frequency components different from those of the incident light beams
- G02F1/3542—Multipass arrangements, i.e. arrangements to make light pass multiple times through the same element, e.g. using an enhancement cavity
-
- 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
- G02F1/35—Non-linear optics
- G02F1/37—Non-linear optics for second-harmonic generation
-
- 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
- G02F1/35—Non-linear optics
- G02F1/39—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves
Abstract
A monochromatic red (R), green (G), blue (B) pulsed laser light source (Fig.
2) for use in a full color video/image display system, particularly an LCD display system (Fig. 3), the light source generating R,G,B
laser beams with minimum speckle noise, and having a digital color space conversion incorporated within.
2) for use in a full color video/image display system, particularly an LCD display system (Fig. 3), the light source generating R,G,B
laser beams with minimum speckle noise, and having a digital color space conversion incorporated within.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3226996P | 1996-11-29 | 1996-11-29 | |
US60/032,269 | 1996-11-29 | ||
PCT/US1997/022066 WO1998026328A2 (en) | 1996-11-29 | 1997-11-28 | Monochromatic r,g,b laser light source display system and method |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2273040A1 true CA2273040A1 (en) | 1998-06-18 |
CA2273040C CA2273040C (en) | 2004-09-21 |
Family
ID=21864027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002273040A Expired - Lifetime CA2273040C (en) | 1996-11-29 | 1997-11-28 | Monochromatic r,g,b laser light source display system and method |
Country Status (6)
Country | Link |
---|---|
US (2) | US6304237B1 (en) |
EP (1) | EP1012818A4 (en) |
JP (1) | JP3600249B2 (en) |
AU (1) | AU723680B2 (en) |
CA (1) | CA2273040C (en) |
WO (1) | WO1998026328A2 (en) |
Families Citing this family (102)
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US8487850B1 (en) * | 2000-06-05 | 2013-07-16 | Hewlett-Packard Development Company, L.P. | Multi-source LCD backlight for white balance adjustment |
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- 1997-11-28 EP EP97949725A patent/EP1012818A4/en not_active Withdrawn
- 1997-11-28 JP JP52678598A patent/JP3600249B2/en not_active Expired - Lifetime
- 1997-11-28 CA CA002273040A patent/CA2273040C/en not_active Expired - Lifetime
- 1997-11-28 AU AU78502/98A patent/AU723680B2/en not_active Expired
- 1997-11-28 WO PCT/US1997/022066 patent/WO1998026328A2/en not_active Application Discontinuation
- 1997-11-28 US US09/319,058 patent/US6304237B1/en not_active Expired - Lifetime
-
2001
- 2001-10-15 US US09/977,835 patent/US6774881B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1012818A2 (en) | 2000-06-28 |
US6774881B2 (en) | 2004-08-10 |
EP1012818A4 (en) | 2000-11-08 |
JP3600249B2 (en) | 2004-12-15 |
WO1998026328A2 (en) | 1998-06-18 |
AU723680B2 (en) | 2000-08-31 |
WO1998026328A3 (en) | 1998-10-29 |
AU7850298A (en) | 1998-07-03 |
JP2000510262A (en) | 2000-08-08 |
US6304237B1 (en) | 2001-10-16 |
CA2273040C (en) | 2004-09-21 |
US20020018036A1 (en) | 2002-02-14 |
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EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20171128 |