CN100432787C - 背光单元 - Google Patents
背光单元 Download PDFInfo
- Publication number
- CN100432787C CN100432787C CNB031363377A CN03136337A CN100432787C CN 100432787 C CN100432787 C CN 100432787C CN B031363377 A CNB031363377 A CN B031363377A CN 03136337 A CN03136337 A CN 03136337A CN 100432787 C CN100432787 C CN 100432787C
- Authority
- CN
- China
- Prior art keywords
- light
- pattern
- angle
- light unit
- back light
- 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
Images
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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
- G02B27/0972—Prisms
-
- 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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0016—Grooves, prisms, gratings, scattering particles or rough 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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/003—Lens or lenticular sheet or layer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Optical Elements Other Than Lenses (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims (17)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR780/2003 | 2003-01-07 | ||
KR780/03 | 2003-01-07 | ||
KR10-2003-0000780A KR100499140B1 (ko) | 2003-01-07 | 2003-01-07 | 백라이트 유닛 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1517759A CN1517759A (zh) | 2004-08-04 |
CN100432787C true CN100432787C (zh) | 2008-11-12 |
Family
ID=32677849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB031363377A Expired - Fee Related CN100432787C (zh) | 2003-01-07 | 2003-05-29 | 背光单元 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6979095B2 (zh) |
JP (1) | JP3944170B2 (zh) |
KR (1) | KR100499140B1 (zh) |
CN (1) | CN100432787C (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104501051A (zh) * | 2015-01-16 | 2015-04-08 | 北京京东方茶谷电子有限公司 | 背光源和显示装置 |
CN104676379A (zh) * | 2015-02-26 | 2015-06-03 | 深圳市华星光电技术有限公司 | 背光模组及包含其的液晶显示装置 |
Families Citing this family (73)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003150073A (ja) * | 2001-08-27 | 2003-05-21 | Omron Corp | 画像表示装置及びフロントライト |
KR100499133B1 (ko) * | 2002-11-04 | 2005-07-04 | 삼성전자주식회사 | 백라이트 유닛 |
JP2004253317A (ja) * | 2003-02-21 | 2004-09-09 | Minebea Co Ltd | 面状照明装置 |
JP4247035B2 (ja) * | 2003-04-21 | 2009-04-02 | シチズン電子株式会社 | 面状光源 |
US6877873B2 (en) * | 2003-06-10 | 2005-04-12 | Toppoly Optoelectronics Corp. | Structure of illumination apparatus |
TWI287151B (en) * | 2003-10-22 | 2007-09-21 | Hon Hai Prec Ind Co Ltd | Backlight module and light emitting diode |
TWI281269B (en) * | 2003-12-02 | 2007-05-11 | Hon Hai Prec Ind Co Ltd | Light emitting diode and backlight module |
JP4338540B2 (ja) * | 2004-02-05 | 2009-10-07 | 三菱電機株式会社 | 面状光源装置およびこれを用いた表示装置 |
JP4739327B2 (ja) | 2004-04-30 | 2011-08-03 | オイ モディリス リミテッド | 超薄型照明要素 |
US20070297189A1 (en) * | 2004-06-02 | 2007-12-27 | Wu Rong Y | Linear light source for enhancing uniformity of beaming light within the beaming light's effective focal range |
JP4020397B2 (ja) * | 2004-06-14 | 2007-12-12 | 惠次 飯村 | 点光源を用いた面光源 |
JP2006093104A (ja) * | 2004-08-25 | 2006-04-06 | Seiko Instruments Inc | 照明装置およびそれを用いた表示装置 |
JP2006079852A (ja) * | 2004-09-07 | 2006-03-23 | Toppan Printing Co Ltd | 導光板およびディスプレイ装置 |
CN100462837C (zh) * | 2004-12-30 | 2009-02-18 | 鸿富锦精密工业(深圳)有限公司 | 背光系统、采用该背光系统的数码相机和手机 |
JP4720978B2 (ja) * | 2005-02-18 | 2011-07-13 | ミネベア株式会社 | 面状照明装置 |
US20060203514A1 (en) * | 2005-03-09 | 2006-09-14 | K-Bridge Electronics Co., Ltd. | Light guide plate structure |
US7760290B2 (en) | 2005-04-08 | 2010-07-20 | Bong Sup Kang | Multi-reflecting device and backlight unit and display device having multi-reflecting architecture |
JP2006302710A (ja) * | 2005-04-21 | 2006-11-02 | Toshiba Matsushita Display Technology Co Ltd | 面光源装置 |
CN100389348C (zh) * | 2005-06-01 | 2008-05-21 | 友达光电股份有限公司 | 具有全息扩散片的背光模块 |
JPWO2007032187A1 (ja) * | 2005-08-24 | 2009-03-19 | ワールド・ワイド・エンジニアリング株式会社 | Led照明光源および停電時自動点灯ledスタンド |
JP4779594B2 (ja) * | 2005-11-24 | 2011-09-28 | 凸版印刷株式会社 | 照明装置および液晶表示装置 |
TWI339292B (en) * | 2005-12-12 | 2011-03-21 | Au Optronics Corp | Backliht module and liquid crystal display |
JP4600269B2 (ja) * | 2005-12-21 | 2010-12-15 | カシオ計算機株式会社 | 液晶表示装置 |
CN101389897B (zh) * | 2006-02-27 | 2010-07-21 | 富士通株式会社 | 照明装置以及液晶显示装置 |
KR100766468B1 (ko) * | 2006-03-29 | 2007-10-12 | 에이피엘시스템(주) | 조명기구용 광 확산렌즈 |
ITMI20061203A1 (it) * | 2006-06-22 | 2007-12-23 | X | X |
US7910938B2 (en) * | 2006-09-01 | 2011-03-22 | Cree, Inc. | Encapsulant profile for light emitting diodes |
KR100843289B1 (ko) * | 2006-09-26 | 2008-07-03 | 주식회사 영실업 | 회절격자가 구비된 도광체 및 이를 이용한 면광원장치 |
KR101343106B1 (ko) | 2006-12-04 | 2013-12-20 | 삼성디스플레이 주식회사 | 백라이트 어셈블리, 액정 표시 장치 및 도광판의 제조 방법 |
KR100809224B1 (ko) * | 2006-12-11 | 2008-02-29 | 삼성전기주식회사 | 도광 버퍼판을 갖는 백라이트 유닛 |
EP1975651A1 (en) * | 2007-03-31 | 2008-10-01 | Sony Deutschland Gmbh | Spatial light modulator display |
KR101351864B1 (ko) | 2007-05-08 | 2014-01-15 | 삼성디스플레이 주식회사 | 도광판, 이를 갖는 백라이트 어셈블리 및 표시 장치 |
US20090034230A1 (en) | 2007-07-31 | 2009-02-05 | Luminus Devices, Inc. | Illumination assembly including wavelength converting material having spatially varying density |
US8585273B2 (en) * | 2007-07-31 | 2013-11-19 | Rambus Delaware Llc | Illumination assembly including wavelength converting material |
US8376601B2 (en) * | 2007-10-23 | 2013-02-19 | Sharp Kabushiki Kaisha | Backlight unit and display unit |
JP5238222B2 (ja) | 2007-10-31 | 2013-07-17 | 株式会社東芝 | 画像表示装置、画像表示方法及び画像処理装置 |
CN101424752A (zh) * | 2007-10-31 | 2009-05-06 | 富士迈半导体精密工业(上海)有限公司 | 光学透镜及光源模组 |
JP4996433B2 (ja) * | 2007-11-27 | 2012-08-08 | ミネベア株式会社 | 面状照明装置 |
JP5190735B2 (ja) * | 2008-03-06 | 2013-04-24 | Nltテクノロジー株式会社 | バックライト及び液晶表示装置 |
TW200951560A (en) * | 2008-06-06 | 2009-12-16 | Univ Nat Taiwan | Composite light guiding curved surface structure |
TW201007288A (en) * | 2008-08-11 | 2010-02-16 | Advanced Optoelectronic Tech | Edge lighting back light unit |
TWI382245B (zh) * | 2008-08-28 | 2013-01-11 | Au Optronics Corp | 背光模組 |
DE102008048751A1 (de) * | 2008-09-25 | 2010-04-01 | Automotive Lighting Reutlingen Gmbh | Leuchte für Kraftfahrzeuge |
US20100141868A1 (en) * | 2008-10-21 | 2010-06-10 | Holox Technologies, Inc. | Replicated bragg selective diffractive element for display illumination |
US20120127751A1 (en) * | 2008-11-10 | 2012-05-24 | Nokia Corporation | Diffractive backlight structure |
JP2010282908A (ja) * | 2009-06-08 | 2010-12-16 | Hayashi Telempu Co Ltd | 照明装置 |
TWI428666B (zh) * | 2010-02-04 | 2014-03-01 | Innolux Corp | 液晶面板模組、背光模組與液晶顯示裝置 |
KR20120019249A (ko) * | 2010-08-25 | 2012-03-06 | 삼성모바일디스플레이주식회사 | 백라이트 유닛 및 이를 포함하는 액정 표시 장치 |
CN102466172A (zh) * | 2010-11-12 | 2012-05-23 | 中强光电股份有限公司 | 背光模组 |
US20120120080A1 (en) * | 2010-11-16 | 2012-05-17 | Qualcomm Mems Technologies, Inc. | Light guide with diffusive light input interface |
US9048396B2 (en) | 2012-06-11 | 2015-06-02 | Cree, Inc. | LED package with encapsulant having planar surfaces |
US10147853B2 (en) | 2011-03-18 | 2018-12-04 | Cree, Inc. | Encapsulant with index matched thixotropic agent |
KR20120129290A (ko) * | 2011-05-19 | 2012-11-28 | 삼성디스플레이 주식회사 | 표시장치 |
US9108369B2 (en) * | 2011-07-25 | 2015-08-18 | Microsoft Technology Licensing, Llc | Wedge light guide |
CN103017007B (zh) * | 2011-09-28 | 2015-03-11 | 颖台科技股份有限公司 | 光学贴膜及具有该光学贴膜的背光模块与液晶显示器 |
WO2013129882A1 (ko) * | 2012-02-29 | 2013-09-06 | 코오롱인더스트리 주식회사 | 도광판 및 백라이트 유닛 |
US10424702B2 (en) | 2012-06-11 | 2019-09-24 | Cree, Inc. | Compact LED package with reflectivity layer |
US10468565B2 (en) | 2012-06-11 | 2019-11-05 | Cree, Inc. | LED package with multiple element light source and encapsulant having curved and/or planar surfaces |
US9887327B2 (en) | 2012-06-11 | 2018-02-06 | Cree, Inc. | LED package with encapsulant having curved and planar surfaces |
KR20140047903A (ko) * | 2012-10-15 | 2014-04-23 | 삼성디스플레이 주식회사 | 표시 장치용 백라이트 유닛 및 그 구동 방법 |
TWI550325B (zh) * | 2012-12-21 | 2016-09-21 | 鴻海精密工業股份有限公司 | 背光模組 |
CN103899978B (zh) * | 2012-12-25 | 2017-03-08 | 鸿富锦精密工业(深圳)有限公司 | 背光模组 |
CN103926645B (zh) * | 2013-04-22 | 2016-09-14 | 上海天马微电子有限公司 | 导光板、背光模组及显示装置 |
US9461024B2 (en) | 2013-08-01 | 2016-10-04 | Cree, Inc. | Light emitter devices and methods for light emitting diode (LED) chips |
USD758976S1 (en) | 2013-08-08 | 2016-06-14 | Cree, Inc. | LED package |
TW201508355A (zh) * | 2013-08-23 | 2015-03-01 | Hon Hai Prec Ind Co Ltd | 導光板及其製作方法 |
USD790486S1 (en) | 2014-09-30 | 2017-06-27 | Cree, Inc. | LED package with truncated encapsulant |
USD777122S1 (en) | 2015-02-27 | 2017-01-24 | Cree, Inc. | LED package |
USD783547S1 (en) | 2015-06-04 | 2017-04-11 | Cree, Inc. | LED package |
TWI563325B (en) | 2015-12-04 | 2016-12-21 | Young Lighting Technology Inc | Light source module and display apparatus |
TWI563326B (en) | 2015-12-04 | 2016-12-21 | Young Lighting Technology Inc | Light source module and display apparatus |
JP6709095B2 (ja) * | 2016-03-24 | 2020-06-10 | スタンレー電気株式会社 | 車両用灯具 |
CN109477625A (zh) * | 2016-07-26 | 2019-03-15 | 镭亚股份有限公司 | 条形准直器、背光体系统和方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11133419A (ja) * | 1997-10-31 | 1999-05-21 | Casio Comput Co Ltd | 液晶表示装置 |
US6239851B1 (en) * | 1995-10-12 | 2001-05-29 | Ibm Corporation | Planar light source device having polarization separator formed of two sheets with mating triangular prisms and different indices of refraction |
US6301026B1 (en) * | 1998-11-20 | 2001-10-09 | Minolta Co., Ltd. | Holographic illumination device |
JP2002184225A (ja) * | 2000-12-15 | 2002-06-28 | Casio Comput Co Ltd | 表示装置のバックライト構造 |
US20020163810A1 (en) * | 2001-05-04 | 2002-11-07 | West Robert S. | Side emitting LED |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100305682B1 (ko) | 1999-07-02 | 2001-11-01 | 양근창 | 평판조명장치 및 그에 사용되는 홀로그램층의 형성방법 |
JP4159059B2 (ja) * | 1998-06-05 | 2008-10-01 | シチズン電子株式会社 | 面状光源ユニット |
US6568822B2 (en) * | 2001-04-06 | 2003-05-27 | 3M Innovative Properties Company | Linear illumination source |
US6799860B2 (en) * | 2001-10-01 | 2004-10-05 | Rohm Co., Ltd. | Point light source-oriented light guiding means and lighting unit utilizing the same |
-
2003
- 2003-01-07 KR KR10-2003-0000780A patent/KR100499140B1/ko active IP Right Grant
- 2003-05-29 CN CNB031363377A patent/CN100432787C/zh not_active Expired - Fee Related
- 2003-06-05 US US10/454,548 patent/US6979095B2/en not_active Expired - Lifetime
-
2004
- 2004-01-07 JP JP2004001815A patent/JP3944170B2/ja not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6239851B1 (en) * | 1995-10-12 | 2001-05-29 | Ibm Corporation | Planar light source device having polarization separator formed of two sheets with mating triangular prisms and different indices of refraction |
JPH11133419A (ja) * | 1997-10-31 | 1999-05-21 | Casio Comput Co Ltd | 液晶表示装置 |
US6301026B1 (en) * | 1998-11-20 | 2001-10-09 | Minolta Co., Ltd. | Holographic illumination device |
JP2002184225A (ja) * | 2000-12-15 | 2002-06-28 | Casio Comput Co Ltd | 表示装置のバックライト構造 |
US20020163810A1 (en) * | 2001-05-04 | 2002-11-07 | West Robert S. | Side emitting LED |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104501051A (zh) * | 2015-01-16 | 2015-04-08 | 北京京东方茶谷电子有限公司 | 背光源和显示装置 |
US9841550B2 (en) | 2015-01-16 | 2017-12-12 | Boe Technology Group Co., Ltd. | Backlight module and display device |
CN104676379A (zh) * | 2015-02-26 | 2015-06-03 | 深圳市华星光电技术有限公司 | 背光模组及包含其的液晶显示装置 |
Also Published As
Publication number | Publication date |
---|---|
JP3944170B2 (ja) | 2007-07-11 |
KR20040063384A (ko) | 2004-07-14 |
CN1517759A (zh) | 2004-08-04 |
US20040130880A1 (en) | 2004-07-08 |
KR100499140B1 (ko) | 2005-07-04 |
US6979095B2 (en) | 2005-12-27 |
JP2004213025A (ja) | 2004-07-29 |
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Legal Events
Date | Code | Title | Description |
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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 | ||
ASS | Succession or assignment of patent right |
Owner name: SAMSUNG DISPLAY CO., LTD. Free format text: FORMER OWNER: SAMSUNG ELECTRONICS CO., LTD. Effective date: 20121106 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20121106 Address after: Gyeonggi Do, South Korea Patentee after: Samsung Display Co.,Ltd. Address before: Gyeonggi Do, South Korea Patentee before: Samsung Electronics Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081112 Termination date: 20210529 |