CN1836178A - 背灯装置 - Google Patents
背灯装置 Download PDFInfo
- Publication number
- CN1836178A CN1836178A CNA2004800233345A CN200480023334A CN1836178A CN 1836178 A CN1836178 A CN 1836178A CN A2004800233345 A CNA2004800233345 A CN A2004800233345A CN 200480023334 A CN200480023334 A CN 200480023334A CN 1836178 A CN1836178 A CN 1836178A
- Authority
- CN
- China
- Prior art keywords
- light
- backlight device
- angle
- prism sheet
- luminance
- 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.)
- Granted
Links
Images
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
- G02B6/0033—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
- G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
-
- 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
- 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
- G02B6/0051—Diffusing sheet or layer
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)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Optical Elements Other Than Lenses (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IB0303682 | 2003-08-15 | ||
IBPCT/IB03/03682 | 2003-08-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1836178A true CN1836178A (zh) | 2006-09-20 |
CN100414327C CN100414327C (zh) | 2008-08-27 |
Family
ID=34179252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004800233345A Expired - Fee Related CN100414327C (zh) | 2003-08-15 | 2004-08-13 | 背灯装置 |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1664867A2 (zh) |
JP (1) | JP2007503007A (zh) |
KR (1) | KR20060066092A (zh) |
CN (1) | CN100414327C (zh) |
TW (1) | TW200528854A (zh) |
WO (1) | WO2005017581A2 (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7852433B2 (en) | 2007-10-24 | 2010-12-14 | Lg Display Co., Ltd. | Backlight assembly and display device having the same |
CN102483205A (zh) * | 2009-05-13 | 2012-05-30 | 黑拉许克联合股份有限公司 | 用于街道的照明装置 |
CN102707348A (zh) * | 2012-06-28 | 2012-10-03 | 深圳市华星光电技术有限公司 | 非对称菱镜结构、导光板、背光模组及其使用 |
US8858057B2 (en) | 2012-06-28 | 2014-10-14 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Asymmetric prism structure, light guide plate, backlight module, and application |
CN104654132A (zh) * | 2015-02-06 | 2015-05-27 | 安徽师范大学 | 一种限制液晶屏视角的背光模块 |
CN104791665A (zh) * | 2015-04-23 | 2015-07-22 | 京东方科技集团股份有限公司 | 背光模组、显示装置以及扩散板 |
WO2016110064A1 (zh) * | 2015-01-05 | 2016-07-14 | 京东方科技集团股份有限公司 | 棱镜膜片、曲面背光源和显示装置 |
JP2020536289A (ja) * | 2018-02-28 | 2020-12-10 | エルジー・ケム・リミテッド | 視野角補償フィルム、これを含む偏光板およびこれを含むディスプレイ装置 |
WO2023206858A1 (zh) * | 2022-04-28 | 2023-11-02 | 瑞仪(广州)光电子器件有限公司 | 背光模组及显示装置 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102682057B1 (ko) * | 2016-09-09 | 2024-07-04 | 엘지디스플레이 주식회사 | 시야각 제어시트, 제조방법 및 이를 포함하는 표시장치 |
KR101940921B1 (ko) | 2017-08-18 | 2019-01-22 | 주식회사 포스코 | 패턴글라스 및 이를 포함하는 태양광 발전모듈 |
US20210311239A1 (en) * | 2018-07-27 | 2021-10-07 | Lg Chem, Ltd. | Method for manufacturing viewing angle compensation film, method for manufacturing polarizing plate, viewing angle compensation film, polarizing plate, and display device including same |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19521254A1 (de) * | 1994-06-24 | 1996-01-04 | Minnesota Mining & Mfg | Anzeigesystem mit Helligkeitsverstärkungsfilm |
JPH0862428A (ja) * | 1994-08-18 | 1996-03-08 | Dainippon Printing Co Ltd | エッジライト型面光源 |
JPH08248210A (ja) * | 1995-03-07 | 1996-09-27 | Konica Corp | 集光シート |
JP3128471B2 (ja) * | 1995-05-25 | 2001-01-29 | 三菱レイヨン株式会社 | プリズムシートおよびバックライト |
JPH0933706A (ja) * | 1995-07-14 | 1997-02-07 | Nippon Kayaku Co Ltd | プリズムシートおよびそれを利用した光源装置、液晶表示装置 |
JPH0973004A (ja) * | 1995-09-06 | 1997-03-18 | Nippon Kayaku Co Ltd | プリズムシートの積層体およびそれを利用した光源装置、液晶表示装置 |
JPH10253807A (ja) * | 1997-03-10 | 1998-09-25 | Dainippon Printing Co Ltd | プリズム配列フィルム、及びエッジライト型面光源 |
JP3669541B2 (ja) * | 1997-06-12 | 2005-07-06 | 株式会社エンプラス | サイドライト型面光源装置 |
JPH1184379A (ja) * | 1997-09-08 | 1999-03-26 | Bridgestone Corp | バックライト |
JPH1184110A (ja) * | 1997-09-12 | 1999-03-26 | Bridgestone Corp | プリズムシート及びバックライト |
JPH1195216A (ja) * | 1997-09-25 | 1999-04-09 | Bridgestone Corp | バックライト |
WO2000057241A1 (en) * | 1999-03-24 | 2000-09-28 | Lg Chemical Ltd. | A backlight system |
KR100764592B1 (ko) * | 2001-10-30 | 2007-10-08 | 엘지.필립스 엘시디 주식회사 | 액정 표시 장치용 백라이트 |
KR100789142B1 (ko) * | 2002-01-18 | 2007-12-28 | 삼성전자주식회사 | 도광판, 이를 이용한 박형 액정표시장치 및 이를 이용한시트 리스 액정표시장치 |
JP2005055736A (ja) * | 2003-08-06 | 2005-03-03 | Sharp Corp | 光学シート、該光学シートを備えた液晶表示装置および表示装置 |
-
2004
- 2004-08-13 CN CNB2004800233345A patent/CN100414327C/zh not_active Expired - Fee Related
- 2004-08-13 KR KR1020067003150A patent/KR20060066092A/ko not_active Application Discontinuation
- 2004-08-13 TW TW093124447A patent/TW200528854A/zh unknown
- 2004-08-13 JP JP2006523108A patent/JP2007503007A/ja active Pending
- 2004-08-13 EP EP04769808A patent/EP1664867A2/en not_active Withdrawn
- 2004-08-13 WO PCT/IB2004/051456 patent/WO2005017581A2/en active Application Filing
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7852433B2 (en) | 2007-10-24 | 2010-12-14 | Lg Display Co., Ltd. | Backlight assembly and display device having the same |
CN102483205A (zh) * | 2009-05-13 | 2012-05-30 | 黑拉许克联合股份有限公司 | 用于街道的照明装置 |
CN102483205B (zh) * | 2009-05-13 | 2014-08-13 | 黑拉许克联合股份有限公司 | 用于街道的照明装置 |
CN102707348A (zh) * | 2012-06-28 | 2012-10-03 | 深圳市华星光电技术有限公司 | 非对称菱镜结构、导光板、背光模组及其使用 |
WO2014000324A1 (zh) * | 2012-06-28 | 2014-01-03 | 深圳市华星光电技术有限公司 | 非对称菱镜结构、导光板、背光模组及其使用 |
US8858057B2 (en) | 2012-06-28 | 2014-10-14 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Asymmetric prism structure, light guide plate, backlight module, and application |
WO2016110064A1 (zh) * | 2015-01-05 | 2016-07-14 | 京东方科技集团股份有限公司 | 棱镜膜片、曲面背光源和显示装置 |
CN104654132A (zh) * | 2015-02-06 | 2015-05-27 | 安徽师范大学 | 一种限制液晶屏视角的背光模块 |
CN104654132B (zh) * | 2015-02-06 | 2017-05-31 | 安徽师范大学 | 一种限制液晶屏视角的背光模块 |
CN104791665A (zh) * | 2015-04-23 | 2015-07-22 | 京东方科技集团股份有限公司 | 背光模组、显示装置以及扩散板 |
CN104791665B (zh) * | 2015-04-23 | 2017-05-10 | 京东方科技集团股份有限公司 | 背光模组、显示装置以及扩散板 |
JP2020536289A (ja) * | 2018-02-28 | 2020-12-10 | エルジー・ケム・リミテッド | 視野角補償フィルム、これを含む偏光板およびこれを含むディスプレイ装置 |
WO2023206858A1 (zh) * | 2022-04-28 | 2023-11-02 | 瑞仪(广州)光电子器件有限公司 | 背光模组及显示装置 |
Also Published As
Publication number | Publication date |
---|---|
TW200528854A (en) | 2005-09-01 |
EP1664867A2 (en) | 2006-06-07 |
KR20060066092A (ko) | 2006-06-15 |
JP2007503007A (ja) | 2007-02-15 |
WO2005017581A2 (en) | 2005-02-24 |
WO2005017581A3 (en) | 2005-05-19 |
CN100414327C (zh) | 2008-08-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: TONGBAO HONG KONG CO., LTD. Free format text: FORMER OWNER: KONINKLIJKE PHILIPS ELECTRONICS N.V. Effective date: 20070330 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20070330 Address after: Floor two, PHILPS tower, 5 East Science Avenue, Sha Tin, Hongkong Science Park, Hongkong Applicant after: Tpo Hong Kong Holding Ltd. Address before: Holland Ian Deho Finn Applicant before: Koninklijke Philips Electronics N.V. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080827 Termination date: 20160813 |
|
CF01 | Termination of patent right due to non-payment of annual fee |