WO2008132915A1 - バックライト装置及び液晶表示装置 - Google Patents
バックライト装置及び液晶表示装置 Download PDFInfo
- Publication number
- WO2008132915A1 WO2008132915A1 PCT/JP2008/055546 JP2008055546W WO2008132915A1 WO 2008132915 A1 WO2008132915 A1 WO 2008132915A1 JP 2008055546 W JP2008055546 W JP 2008055546W WO 2008132915 A1 WO2008132915 A1 WO 2008132915A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- light source
- optical layer
- main
- main surface
- Prior art date
Links
- 239000004973 liquid crystal related substance Substances 0.000 title abstract 2
- 230000003287 optical effect Effects 0.000 abstract 5
- 230000006866 deterioration Effects 0.000 abstract 1
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
- G02B6/007—Incandescent lamp or gas discharge lamp
- G02B6/0071—Incandescent lamp or gas discharge lamp with elongated shape, e.g. tube
-
- 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
- G02F1/133604—Direct backlight with lamps
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B35/00—Electric light sources using a combination of different types of light generation
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
- H05B41/38—Controlling the intensity of light
- H05B41/39—Controlling the intensity of light continuously
- H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
- H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
- H05B41/3927—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by pulse width modulation
-
- 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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
-
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
- G09G2320/064—Adjustment of display parameters for control of overall brightness by time modulation of the brightness of the illumination source
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/066—Adjustment of display parameters for control of contrast
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008800119723A CN101657677B (zh) | 2007-04-18 | 2008-03-25 | 背光源装置及液晶显示装置 |
US12/450,513 US20100118230A1 (en) | 2007-04-18 | 2008-03-25 | Backlight device and liquid crystal display device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007-109667 | 2007-04-18 | ||
JP2007109667 | 2007-04-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008132915A1 true WO2008132915A1 (ja) | 2008-11-06 |
Family
ID=39925376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/055546 WO2008132915A1 (ja) | 2007-04-18 | 2008-03-25 | バックライト装置及び液晶表示装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20100118230A1 (ja) |
CN (1) | CN101657677B (ja) |
WO (1) | WO2008132915A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011033845A1 (ja) * | 2009-09-15 | 2011-03-24 | シャープ株式会社 | 照明装置、表示装置、及びテレビ受信装置 |
WO2011033847A1 (ja) * | 2009-09-15 | 2011-03-24 | シャープ株式会社 | 照明装置、表示装置、及びテレビ受信装置 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW201027186A (en) * | 2009-01-13 | 2010-07-16 | Chunghwa Picture Tubes Ltd | Backlight module for a scanning backlight LCD |
KR20120092793A (ko) * | 2011-02-14 | 2012-08-22 | 삼성전자주식회사 | 광원 구동 방법 및 이를 수행하기 위한 표시 장치 |
US9179527B2 (en) * | 2013-07-16 | 2015-11-03 | General Electric Company | Programmable light emitting diode (LED) driver technique based upon a prefix signal |
US9131578B2 (en) | 2013-07-16 | 2015-09-08 | General Electric Company | Programmable light emitting diode (LED) driver technique based upon an input voltage signal |
CN111443515B (zh) * | 2020-05-29 | 2022-09-13 | 厦门天马微电子有限公司 | 显示面板及其制作方法、显示装置 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5442522A (en) * | 1994-05-18 | 1995-08-15 | Kaiser Aerospace And Electronics Corporation | Wide dimming range backlight for liquid crystal devices |
JPH09185036A (ja) * | 1996-01-05 | 1997-07-15 | Alpine Electron Inc | 液晶表示器の輝度制御装置 |
JPH1091080A (ja) * | 1996-06-14 | 1998-04-10 | Loral Corp | デュアル照明システム |
JP2000206488A (ja) * | 1999-01-19 | 2000-07-28 | Denso Corp | 液晶パネル用バックライト装置 |
JP2001135118A (ja) * | 1999-11-02 | 2001-05-18 | Toshiba Corp | 面光源装置及びそれを用いた平面表示装置 |
JP2003140110A (ja) * | 2001-08-20 | 2003-05-14 | Hitachi Ltd | 液晶表示装置とその駆動回路 |
WO2006114750A1 (en) * | 2005-04-27 | 2006-11-02 | Koninklijke Philips Electronics N.V. | Backlighting system |
WO2006114748A1 (en) * | 2005-04-27 | 2006-11-02 | Koninklijke Philips Electronics N.V. | Backlighting system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6456346B1 (en) * | 1999-10-13 | 2002-09-24 | Citizen Watch Co., Ltd. | Color liquid crystal display device including super twisted nematic liquid crystal with molecular major axis directions parallel to a display screen horizontal axis |
US6608614B1 (en) * | 2000-06-22 | 2003-08-19 | Rockwell Collins, Inc. | Led-based LCD backlight with extended color space |
-
2008
- 2008-03-25 WO PCT/JP2008/055546 patent/WO2008132915A1/ja active Application Filing
- 2008-03-25 US US12/450,513 patent/US20100118230A1/en not_active Abandoned
- 2008-03-25 CN CN2008800119723A patent/CN101657677B/zh not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5442522A (en) * | 1994-05-18 | 1995-08-15 | Kaiser Aerospace And Electronics Corporation | Wide dimming range backlight for liquid crystal devices |
JPH09185036A (ja) * | 1996-01-05 | 1997-07-15 | Alpine Electron Inc | 液晶表示器の輝度制御装置 |
JPH1091080A (ja) * | 1996-06-14 | 1998-04-10 | Loral Corp | デュアル照明システム |
JP2000206488A (ja) * | 1999-01-19 | 2000-07-28 | Denso Corp | 液晶パネル用バックライト装置 |
JP2001135118A (ja) * | 1999-11-02 | 2001-05-18 | Toshiba Corp | 面光源装置及びそれを用いた平面表示装置 |
JP2003140110A (ja) * | 2001-08-20 | 2003-05-14 | Hitachi Ltd | 液晶表示装置とその駆動回路 |
WO2006114750A1 (en) * | 2005-04-27 | 2006-11-02 | Koninklijke Philips Electronics N.V. | Backlighting system |
WO2006114748A1 (en) * | 2005-04-27 | 2006-11-02 | Koninklijke Philips Electronics N.V. | Backlighting system |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011033845A1 (ja) * | 2009-09-15 | 2011-03-24 | シャープ株式会社 | 照明装置、表示装置、及びテレビ受信装置 |
WO2011033847A1 (ja) * | 2009-09-15 | 2011-03-24 | シャープ株式会社 | 照明装置、表示装置、及びテレビ受信装置 |
JPWO2011033847A1 (ja) * | 2009-09-15 | 2013-02-07 | シャープ株式会社 | 照明装置、表示装置、及びテレビ受信装置 |
Also Published As
Publication number | Publication date |
---|---|
CN101657677A (zh) | 2010-02-24 |
CN101657677B (zh) | 2012-08-22 |
US20100118230A1 (en) | 2010-05-13 |
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