TWI260446B - Planar light source device, and display device with planar light source - Google Patents
Planar light source device, and display device with planar light source Download PDFInfo
- Publication number
- TWI260446B TWI260446B TW093123486A TW93123486A TWI260446B TW I260446 B TWI260446 B TW I260446B TW 093123486 A TW093123486 A TW 093123486A TW 93123486 A TW93123486 A TW 93123486A TW I260446 B TWI260446 B TW I260446B
- Authority
- TW
- Taiwan
- Prior art keywords
- light
- light source
- incident
- disposed
- source device
- Prior art date
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
- G02F1/1336—Illuminating devices
-
- 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
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
-
- 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
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
-
- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Liquid Crystal (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003297460A JP4371733B2 (ja) | 2003-08-21 | 2003-08-21 | 面状光源装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200508720A TW200508720A (en) | 2005-03-01 |
TWI260446B true TWI260446B (en) | 2006-08-21 |
Family
ID=34403307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW093123486A TWI260446B (en) | 2003-08-21 | 2004-08-05 | Planar light source device, and display device with planar light source |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP4371733B2 (ko) |
KR (1) | KR100660238B1 (ko) |
TW (1) | TWI260446B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9897834B2 (en) | 2013-02-25 | 2018-02-20 | Eizo Corporation | Light sensor attachment structure of image display device |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006269293A (ja) * | 2005-03-24 | 2006-10-05 | Fujinon Corp | 照明装置および照明方法 |
JP4482473B2 (ja) * | 2005-03-25 | 2010-06-16 | シャープ株式会社 | 液晶表示装置 |
JP4823568B2 (ja) | 2005-05-23 | 2011-11-24 | 三菱電機株式会社 | 面状光源装置及びこれを用いた表示装置 |
JP4507989B2 (ja) * | 2005-06-07 | 2010-07-21 | ソニー株式会社 | 支柱、バックライト装置及び液晶表示装置 |
JP3872810B1 (ja) * | 2005-08-12 | 2007-01-24 | シャープ株式会社 | 光源制御装置、照明装置及び液晶表示装置 |
JP4822502B2 (ja) * | 2005-08-12 | 2011-11-24 | シチズン電子株式会社 | バックライト |
US7230222B2 (en) * | 2005-08-15 | 2007-06-12 | Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. | Calibrated LED light module |
WO2007069382A1 (ja) * | 2005-12-12 | 2007-06-21 | Sharp Kabushiki Kaisha | 光源装置、表示装置およびテレビ受信機 |
CN101352102B (zh) * | 2005-12-29 | 2012-06-27 | 夏普株式会社 | 光源装置、显示装置及电视接收机 |
JP2009087538A (ja) * | 2006-01-20 | 2009-04-23 | Sharp Corp | 光源ユニット、及びそれを用いた照明装置、及びそれを用いた表示装置 |
JP2009087537A (ja) * | 2006-01-20 | 2009-04-23 | Sharp Corp | 光源ユニット、及びそれを用いた照明装置、及びそれを用いた表示装置 |
KR100709362B1 (ko) * | 2006-01-20 | 2007-04-20 | 삼성전자주식회사 | 광학시트의 전면에 광센서를 배치한 디스플레이장치 |
JP2007240649A (ja) | 2006-03-06 | 2007-09-20 | Sony Corp | 光学表示装置 |
TWI342974B (en) * | 2006-07-06 | 2011-06-01 | Chimei Innolux Corp | Liquid crystal display and backlight module thereof |
KR100793581B1 (ko) * | 2006-08-29 | 2008-01-14 | 엘지이노텍 주식회사 | 백라이트 유닛 및 이를 이용한 디스플레이 장치 |
JP4264558B2 (ja) | 2006-11-10 | 2009-05-20 | ソニー株式会社 | バックライト装置、バックライト駆動方法及びカラー画像表示装置 |
JP2010513944A (ja) * | 2006-12-13 | 2010-04-30 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 発光ダイオードの制御方法と、対応する光センサ・アレイ、バックライト、及び液晶ディスプレィ |
JP2008251230A (ja) * | 2007-03-29 | 2008-10-16 | Harison Toshiba Lighting Corp | 中空式面照明装置 |
KR20080093220A (ko) * | 2007-04-16 | 2008-10-21 | 엘지이노텍 주식회사 | 광원 장치 및 표시 장치, 광원 제어 장치 및 방법 |
JP2009014901A (ja) * | 2007-07-03 | 2009-01-22 | Totoku Electric Co Ltd | 液晶表示ユニット |
KR100919461B1 (ko) * | 2007-07-09 | 2009-09-28 | 심현섭 | 색온도가 변환되는 조명기기용 광원장치 |
JP5093720B2 (ja) * | 2007-09-04 | 2012-12-12 | Nltテクノロジー株式会社 | バックライトユニット、表示装置 |
JP2009092724A (ja) * | 2007-10-04 | 2009-04-30 | Mitsubishi Electric Corp | 液晶表示装置 |
JP5052298B2 (ja) * | 2007-11-16 | 2012-10-17 | 三菱電機株式会社 | 面状光源装置および表示装置 |
JP4913216B2 (ja) * | 2008-01-22 | 2012-04-11 | 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 |
KR101532571B1 (ko) * | 2008-04-21 | 2015-07-09 | 삼성디스플레이 주식회사 | 액정 표시 장치 |
JP2010085854A (ja) * | 2008-10-01 | 2010-04-15 | Seiko Epson Corp | 電気光学装置、光検出装置及び電子機器 |
JP5025682B2 (ja) * | 2009-05-08 | 2012-09-12 | 三菱電機株式会社 | Led照明装置 |
JP4786750B2 (ja) * | 2010-03-12 | 2011-10-05 | シャープ株式会社 | 照明装置 |
JP5116865B2 (ja) * | 2011-07-13 | 2013-01-09 | シャープ株式会社 | 照明装置 |
US8568000B2 (en) * | 2011-08-29 | 2013-10-29 | Tai-Her Yang | Annular-arranged lamp capable of backward projecting by concave sphere |
US9423297B2 (en) * | 2011-12-22 | 2016-08-23 | 3M Innovative Properties Company | Optical device with optical element and sensor for sampling light |
WO2014192141A1 (ja) * | 2013-05-31 | 2014-12-04 | Necディスプレイソリューションズ株式会社 | 表示装置および表示装置のバックライト光検出方法 |
GB2522175A (en) * | 2013-10-31 | 2015-07-22 | Barco Nv | Display system |
KR200477456Y1 (ko) * | 2014-01-21 | 2015-06-09 | 주식회사 아이디시스 | 센서가 장착된 조명장치 |
CN110017895B (zh) * | 2019-03-26 | 2023-11-14 | 广州市轩士佳电子科技有限公司 | 一种光源监控系统 |
CN110536525A (zh) * | 2019-08-16 | 2019-12-03 | 安徽信息工程学院 | 智能车载照明系统 |
CN115171547B (zh) * | 2022-05-16 | 2023-11-28 | 昆山国显光电有限公司 | 显示基板及其驱动方法和显示装置 |
-
2003
- 2003-08-21 JP JP2003297460A patent/JP4371733B2/ja not_active Expired - Fee Related
-
2004
- 2004-08-05 TW TW093123486A patent/TWI260446B/zh not_active IP Right Cessation
- 2004-08-18 KR KR1020040065187A patent/KR100660238B1/ko not_active IP Right Cessation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9897834B2 (en) | 2013-02-25 | 2018-02-20 | Eizo Corporation | Light sensor attachment structure of image display device |
US10175512B2 (en) | 2013-02-25 | 2019-01-08 | Eizo Corporation | Light sensor attachment structure of image display device |
US10175513B2 (en) | 2013-02-25 | 2019-01-08 | Eizo Corporation | Light sensor attachment structure of image display device |
US10295851B2 (en) | 2013-02-25 | 2019-05-21 | Eizo Corporation | Light sensor attachment structure of image display device |
Also Published As
Publication number | Publication date |
---|---|
KR20050020667A (ko) | 2005-03-04 |
JP4371733B2 (ja) | 2009-11-25 |
JP2005071702A (ja) | 2005-03-17 |
TW200508720A (en) | 2005-03-01 |
KR100660238B1 (ko) | 2006-12-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |