FR2802009B1 - LIGHTING DEVICE FOR A LIQUID CRYSTAL SCREEN - Google Patents

LIGHTING DEVICE FOR A LIQUID CRYSTAL SCREEN

Info

Publication number: FR2802009B1
Authority: FR; France
Prior art keywords: liquid crystal; lighting device; crystal screen; screen; lighting
Prior art date: 1999-12-07
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.): Expired - Fee Related

Other versions

Inventor

Francois Lopez

Lauzun Frederic De

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Thales Avionics SAS

Original Assignee

Thales Avionics SAS

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.)

1999-12-07

Filing date

1999-12-07

Publication date

2003-06-20

1999-12-07Application filed by Thales Avionics SASfiledCriticalThales Avionics SAS

1999-12-07Priority to FR9915419ApriorityCriticalpatent/FR2802009B1/en

2001-06-08Publication of FR2802009A1publicationCriticalpatent/FR2802009A1/en

2003-06-20Application grantedgrantedCritical

2003-06-20Publication of FR2802009B1publicationCriticalpatent/FR2802009B1/en

2019-12-07Anticipated expirationlegal-statusCritical

StatusExpired - Fee Relatedlegal-statusCriticalCurrent

Classifications

- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
- 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
- G02F1/133603—Direct backlight with LEDs
- 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133311—Environmental protection, e.g. against dust or humidity
- 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
- 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
- G02F1/133626—Illuminating devices providing two modes of illumination, e.g. day-night

Landscapes

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

FR9915419A1999-12-071999-12-07 LIGHTING DEVICE FOR A LIQUID CRYSTAL SCREENExpired - Fee RelatedFR2802009B1 (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
FR9915419AFR2802009B1 (en)	1999-12-07	1999-12-07	LIGHTING DEVICE FOR A LIQUID CRYSTAL SCREEN

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR9915419AFR2802009B1 (en)	1999-12-07	1999-12-07	LIGHTING DEVICE FOR A LIQUID CRYSTAL SCREEN

Publications (2)

Publication Number	Publication Date
FR2802009A1 FR2802009A1 (en)	2001-06-08
FR2802009B1true FR2802009B1 (en)	2003-06-20

Family

ID=9552975

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR9915419AExpired - Fee RelatedFR2802009B1 (en)	1999-12-07	1999-12-07	LIGHTING DEVICE FOR A LIQUID CRYSTAL SCREEN

Country Status (1)

Country	Link
FR (1)	FR2802009B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7116354B2 (en)	2001-06-20	2006-10-03	Xenogen Corporation	Absolute intensity determination for a light source in low level light imaging systems
US7629573B2 (en)	2002-02-06	2009-12-08	Xenogen Corporation	Tissue phantom calibration device for low level light imaging systems
US7649185B2 (en)	2002-02-06	2010-01-19	Xenogen Corporation	Fluorescent phantom device
US7674000B2 (en)	2007-04-30	2010-03-09	Honeywell International, Inc.	Backlight for a display device with improved filtering and method for constructing the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4714983A (en)*	1985-06-10	1987-12-22	Motorola, Inc.	Uniform emission backlight
GB2267378B (en)*	1992-05-22	1996-07-10	Nokia Mobile Phones Uk	Illuminated LCD apparatus
JPH0772815A (en)*	1992-12-15	1995-03-17	Koito Mfg Co Ltd	Liquid crystal display device
JPH08201805A (en)*	1995-01-31	1996-08-09	Minolta Co Ltd	Illumination structure of liquid crystal display surface
JP3187280B2 (en)*	1995-05-23	2001-07-11	シャープ株式会社	Surface lighting device
JPH10133591A (en)*	1996-08-07	1998-05-22	Seiko Instr Inc	Light guide type lighting device and light guide type display device
JPH1130775A (en)*	1997-07-11	1999-02-02	Rohm Co Ltd	Structure of liquid crystal display device with back light
JP3287275B2 (en)*	1997-09-09	2002-06-04	松下電器産業株式会社	Liquid crystal display

1999
- 1999-12-07FRFR9915419Apatent/FR2802009B1/ennot_activeExpired - Fee Related

Also Published As

Publication number	Publication date
FR2802009A1 (en)	2001-06-08

Publication	Publication Date	Title
FR2758901B1 (en)	2005-08-05	LIQUID CRYSTAL DISPLAY DEVICE
EP1008896A4 (en)	2005-05-18	LIQUID CRYSTAL DISPLAY DEVICE
EP1489590A4 (en)	2008-07-23	LIQUID CRYSTAL DISPLAY DEVICE
EP1008895A4 (en)	2005-12-07	LIQUID CRYSTAL PROJECTOR
FR2821901B1 (en)	2003-05-30	DEVICE FOR SUPPORTING A FLAT SCREEN WITH LIQUID CRYSTALS
EP1492077A4 (en)	2008-06-18	LIQUID CRYSTAL DISPLAY DEVICE
DE69826059D1 (en)	2004-10-14	A liquid crystal display device
FR2805917B1 (en)	2005-07-08	LIQUID CRYSTAL DISPLAY DEVICE
FR2765997B1 (en)	2003-09-19	LIQUID CRYSTAL DISPLAY
EP1174758A4 (en)	2007-07-18	LIQUID CRYSTAL DISPLAY
FR2751434B1 (en)	2003-06-20	MICRO-LENS LIQUID CRYSTAL DISPLAY DEVICE
FR2764087B1 (en)	2003-10-10	LIQUID CRYSTAL DISPLAY DEVICE
EP1542066A4 (en)	2006-01-04	LIQUID CRYSTAL AND LIQUID CRYSTAL DISPLAY DEVICE
FR2790838B1 (en)	2003-02-14	MULTI-DOMAIN LIQUID CRYSTAL DISPLAY DEVICE
DE69834532D1 (en)	2006-06-22	Liquid crystal projection display device
EP1045260A4 (en)	2004-07-28	LIQUID CRYSTAL FILM
FR2737595B1 (en)	1997-12-12	LIQUID CRYSTAL DISPLAY DEVICE
DE69943404D1 (en)	2011-06-16	A liquid crystal display device
EP0935173A4 (en)	2003-07-09	ELECTROPHOTOGRAPHIC LIQUID DEVICE
FR2769574B1 (en)	1999-12-31	LIQUID CRYSTAL DISPLAY DEVICE FOR A BICYCLE
FR2776825B1 (en)	2000-09-08	PLASMA DISPLAY DEVICE
FR2771518B1 (en)	2005-04-01	LIQUID CRYSTAL DISPLAY DEVICE
FR2856505B1 (en)	2008-09-05	LIQUID CRYSTAL DISPLAY DEVICE
EP1566590A4 (en)	2008-01-23	LIGHTING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE
FR2794884B1 (en)	2006-07-28	LIQUID CRYSTAL DISPLAY

Legal Events

Date	Code	Title	Description
2007-10-05	ST	Notification of lapse	Effective date:20070831

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