CN100529905C - Lcd背光显示器光源 - Google Patents
Lcd背光显示器光源 Download PDFInfo
- Publication number
- CN100529905C CN100529905C CNB2006100760683A CN200610076068A CN100529905C CN 100529905 C CN100529905 C CN 100529905C CN B2006100760683 A CNB2006100760683 A CN B2006100760683A CN 200610076068 A CN200610076068 A CN 200610076068A CN 100529905 C CN100529905 C CN 100529905C
- Authority
- CN
- China
- Prior art keywords
- light
- luminophor
- light source
- photodetector
- wave band
- 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.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000012780 transparent material Substances 0.000 abstract 1
- 230000008859 change Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000003679 aging effect Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
- G01J1/28—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source
- G01J1/30—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source using electric radiation detectors
- G01J1/32—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source using electric radiation detectors adapted for automatic variation of the measured or reference value
-
- 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
- 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
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
-
- 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
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
- G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
- Optical Elements Other Than Lenses (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/119,206 US20060243893A1 (en) | 2005-04-28 | 2005-04-28 | A light source for lcd back-lit displays utilizing embedded light detectors |
| US11/119,206 | 2005-04-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1854860A CN1854860A (zh) | 2006-11-01 |
| CN100529905C true CN100529905C (zh) | 2009-08-19 |
Family
ID=37195125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100760683A Expired - Fee Related CN100529905C (zh) | 2005-04-28 | 2006-04-27 | Lcd背光显示器光源 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20060243893A1 (enExample) |
| JP (1) | JP2006310307A (enExample) |
| CN (1) | CN100529905C (enExample) |
| TW (1) | TW200638129A (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007015195A1 (en) * | 2005-08-02 | 2007-02-08 | Philips Intellectual Property & Standards Gmbh | Illumination system, light-sensing plate and display device |
| JP4883522B2 (ja) * | 2006-03-22 | 2012-02-22 | Nltテクノロジー株式会社 | 液晶表示装置及びそれに用いるバックライトユニット |
| US8308375B2 (en) * | 2006-12-18 | 2012-11-13 | Verizon Patent And Licensing Inc. | Optical signal measurement devices |
| US7955002B2 (en) | 2006-12-18 | 2011-06-07 | Verizon Patent And Licensing Inc. | Optical signal measurement device |
| CN101377589B (zh) * | 2007-08-27 | 2012-03-21 | 奇美电子股份有限公司 | 背光模组及使用此背光模组的液晶显示装置 |
| TW200951410A (en) * | 2008-01-28 | 2009-12-16 | Koninkl Philips Electronics Nv | Lighting unit with photosensor |
| US8025434B2 (en) * | 2008-06-03 | 2011-09-27 | Nokia Corporation | Two-sided illumination device |
| US9528906B1 (en) * | 2013-12-19 | 2016-12-27 | Apple Inc. | Monitoring DOE performance using total internal reflection |
| DE102017119286A1 (de) * | 2017-08-23 | 2019-02-28 | HELLA GmbH & Co. KGaA | Verfahren zur Fehlerdetektion bei einer Lichteinheit für ein Kraftfahrzeug, Licht-einheit, Computerprogrammprodukt und computerlesbares Medium |
| CN116466427B (zh) * | 2023-03-01 | 2023-10-17 | 广东千瞬光电科技有限公司 | 一种导光板侧入式背光组件 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1231757B (de) * | 1966-01-29 | 1967-01-05 | Zeiss Ikon Ag | Tastatur mit unbeweglichen Tastschaltern |
| US4387367A (en) * | 1981-06-19 | 1983-06-07 | Fisher Charles R | Optical keyboard |
| US5390276A (en) * | 1992-10-08 | 1995-02-14 | Briteview Technologies | Backlighting assembly utilizing microprisms and especially suitable for use with a liquid crystal display |
| TWI240241B (en) * | 2000-05-04 | 2005-09-21 | Koninkl Philips Electronics Nv | Assembly of a display device and an illumination system |
| US6661542B1 (en) * | 2000-08-23 | 2003-12-09 | Gateway, Inc. | Display and scanning assembly |
| US6611000B2 (en) * | 2001-03-14 | 2003-08-26 | Matsushita Electric Industrial Co., Ltd. | Lighting device |
| JP3942169B2 (ja) * | 2002-08-29 | 2007-07-11 | 東北パイオニア株式会社 | 発光表示パネルの駆動装置および駆動方法 |
-
2005
- 2005-04-28 US US11/119,206 patent/US20060243893A1/en not_active Abandoned
- 2005-10-04 TW TW094134645A patent/TW200638129A/zh unknown
-
2006
- 2006-04-25 JP JP2006120156A patent/JP2006310307A/ja not_active Withdrawn
- 2006-04-27 CN CNB2006100760683A patent/CN100529905C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20060243893A1 (en) | 2006-11-02 |
| CN1854860A (zh) | 2006-11-01 |
| TW200638129A (en) | 2006-11-01 |
| JP2006310307A (ja) | 2006-11-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7423626B2 (en) | Light-emission control circuit | |
| CN101676600B (zh) | 平面光源设备及显示设备 | |
| CN100498466C (zh) | 背光灯装置及具备该装置的显示装置和背光灯装置的驱动方法及调整方法 | |
| JP4371733B2 (ja) | 面状光源装置 | |
| US8009245B2 (en) | Backlight, backlight assembly, liquid crystal display having the same and method thereof | |
| EP2131100A1 (en) | Hollow planar illuminating apparatus | |
| TWI391750B (zh) | 使用於發光設備中之光源單元 | |
| US9074929B2 (en) | Image display apparatus having a light guide unit refracting incident light from a screen to a sensor | |
| CN107870481B (zh) | 显示装置 | |
| KR20120014063A (ko) | 멀티-다이 led 패키지 및 이를 사용하는 백라이트 유닛 | |
| CN100529905C (zh) | Lcd背光显示器光源 | |
| US8215818B2 (en) | LED light box with photodetector control | |
| US20100315323A1 (en) | Backlight system | |
| CN104570472A (zh) | 液晶显示装置 | |
| US7267469B2 (en) | Compact lighting system and display device | |
| TWI410711B (zh) | 背光模組及具有此背光模組之液晶顯示器 | |
| CN101400943B (zh) | 背光装置和使用该背光装置的显示装置 | |
| JPH11260568A (ja) | 照明装置 | |
| US8004488B2 (en) | Light device including a multi-sensor unit and control method thereof | |
| CN113126197B (zh) | 一种显示装置 | |
| US20050133686A1 (en) | LED illumination system having an intensity monitoring system | |
| JP2005070132A (ja) | 表示装置 | |
| KR20120036645A (ko) | 수명 측정 시스템이 포함된 led조명 | |
| JP5052298B2 (ja) | 面状光源装置および表示装置 | |
| CN108345144B (zh) | 显示装置和装备有该显示装置的电子设备 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090819 Termination date: 20130427 |