CN100397176C - 照明装置及使用此装置的反射型液晶显示装置 - Google Patents
照明装置及使用此装置的反射型液晶显示装置 Download PDFInfo
- Publication number
- CN100397176C CN100397176C CNB021051739A CN02105173A CN100397176C CN 100397176 C CN100397176 C CN 100397176C CN B021051739 A CNB021051739 A CN B021051739A CN 02105173 A CN02105173 A CN 02105173A CN 100397176 C CN100397176 C CN 100397176C
- Authority
- CN
- China
- Prior art keywords
- light
- entrance face
- light entrance
- guide member
- inclination angle
- 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
- 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
- G02B6/0045—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 by shaping at least a portion of the light guide
- G02B6/0046—Tapered light guide, e.g. wedge-shaped 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
- G02B6/0013—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
- G02B6/0028—Light guide, e.g. taper
-
- 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
- G02B6/0033—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
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk 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
- G02B6/0066—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
- 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
- G02F1/133603—Direct backlight with LEDs
Abstract
Description
LED数 | LGP光入射部分的亮度(cd/m<sup>2</sup>) | LGP中心的亮度(cd/m<sup>2</sup>) | 面板中心的亮度(cd/m<sup>2</sup>) | |
六面体条形LGP | 4 | 48 | 38 | 2.5 |
V形凹陷型LGP | 4 | 69 | 53 | 4.2 |
Claims (15)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR54446/01 | 2001-09-05 | ||
KR1020010054446A KR100789138B1 (ko) | 2001-09-05 | 2001-09-05 | 조명장치 및 이를 적용한 반사형 액정표시장치 |
KR54446/2001 | 2001-09-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1407384A CN1407384A (zh) | 2003-04-02 |
CN100397176C true CN100397176C (zh) | 2008-06-25 |
Family
ID=19713964
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021051739A Expired - Fee Related CN100397176C (zh) | 2001-09-05 | 2002-02-25 | 照明装置及使用此装置的反射型液晶显示装置 |
Country Status (5)
Country | Link |
---|---|
US (2) | US6752504B2 (zh) |
JP (1) | JP3982799B2 (zh) |
KR (1) | KR100789138B1 (zh) |
CN (1) | CN100397176C (zh) |
TW (1) | TW568991B (zh) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100789138B1 (ko) * | 2001-09-05 | 2007-12-27 | 삼성전자주식회사 | 조명장치 및 이를 적용한 반사형 액정표시장치 |
JP2003257229A (ja) * | 2002-02-27 | 2003-09-12 | Alps Electric Co Ltd | バックライトとフロントライト及び液晶表示装置 |
JP2003255344A (ja) * | 2002-03-05 | 2003-09-10 | Citizen Electronics Co Ltd | カラー液晶表示装置のフロントライト |
JP2003255343A (ja) * | 2002-03-05 | 2003-09-10 | Citizen Electronics Co Ltd | カラー液晶表示装置のフロントライト |
US20040095740A1 (en) * | 2002-11-19 | 2004-05-20 | Toppoly Optoelectronics Corp. | Plane lighting structure for dual displays |
TWI224182B (en) * | 2003-01-02 | 2004-11-21 | Toppoly Optoelectronics Corp | Surface light source structure |
TWM243658U (en) * | 2003-06-13 | 2004-09-11 | Hon Hai Prec Ind Co Ltd | Planar light source device |
TWI281069B (en) * | 2003-08-01 | 2007-05-11 | Hon Hai Prec Ind Co Ltd | Back light module |
CN100371789C (zh) * | 2004-01-14 | 2008-02-27 | 统宝光电股份有限公司 | 面状光源结构 |
KR100848201B1 (ko) * | 2004-04-23 | 2008-07-24 | 도시바 마쯔시따 디스플레이 테크놀로지 컴퍼니, 리미티드 | 면광원 장치 및 표시 장치 |
KR100673793B1 (ko) * | 2004-11-29 | 2007-01-24 | 주식회사 디이엔티 | 평판 표시패널 검사장치용 광원유닛 |
US7686494B2 (en) * | 2005-08-04 | 2010-03-30 | Hydis Technologies Co., Ltd. | Backlight assembly of liquid crystal display |
BRPI0616226A2 (pt) * | 2005-09-19 | 2016-12-06 | Koninkl Philips Electronics Nv | guia de onda, e, dispositivo de iluminação e de exibição |
US7891852B2 (en) * | 2005-10-17 | 2011-02-22 | Koninklijke Philips Electronics Nv | Illumination system using phosphor remote from light source |
KR100881332B1 (ko) * | 2005-10-19 | 2009-02-02 | 김정순 | 도광판 |
KR100660047B1 (ko) * | 2005-12-01 | 2006-12-20 | 제일모직주식회사 | 액정표시장치 백라이트 유닛용 도광판 및 이를 포함하는액정표시장치 백라이트 유닛과 액정표시장치 |
US8031292B2 (en) * | 2006-11-21 | 2011-10-04 | Samsung Electronics Co., Ltd. | Liquid crystal display comprising first and second point light source assemblies wherein a first support substrate is larger than the second support substrate, and a first groove of a lower container is deeper than a second groove |
JP4781255B2 (ja) * | 2006-12-26 | 2011-09-28 | シチズン電子株式会社 | 面発光装置及び表示装置 |
US7672549B2 (en) * | 2007-09-10 | 2010-03-02 | Banyan Energy, Inc. | Solar energy concentrator |
US7664350B2 (en) * | 2007-09-10 | 2010-02-16 | Banyan Energy, Inc. | Compact optics for concentration, aggregation and illumination of light energy |
US8705914B2 (en) | 2007-09-10 | 2014-04-22 | Banyan Energy, Inc. | Redirecting optics for concentration and illumination systems |
US8412010B2 (en) | 2007-09-10 | 2013-04-02 | Banyan Energy, Inc. | Compact optics for concentration and illumination systems |
TWI382245B (zh) * | 2008-08-28 | 2013-01-11 | Au Optronics Corp | 背光模組 |
JP5351608B2 (ja) * | 2009-05-22 | 2013-11-27 | パナソニック株式会社 | 表示灯装置 |
US8408751B2 (en) * | 2011-02-23 | 2013-04-02 | Edison Opto Corporation | Light emitting device with concave reflector surfaces |
TWI484264B (zh) * | 2011-05-04 | 2015-05-11 | Ultra - thin front light module | |
JP6198724B2 (ja) * | 2011-06-09 | 2017-09-20 | フィリップス ライティング ホールディング ビー ヴィ | 照明ストリップ |
DE102012205411A1 (de) * | 2012-04-03 | 2013-10-10 | Behr-Hella Thermocontrol Gmbh | Anzeigevorrichtung für eine Fahrzeugkomponente wie z.B. ein Klimasteuergerät |
KR200482441Y1 (ko) * | 2012-12-27 | 2017-01-24 | 젠텍스 코포레이션 | 광 시스템 |
US10247870B2 (en) * | 2015-05-04 | 2019-04-02 | Himax Display, Inc. | Wearable display apparatus comprising an optical assembly having an optical integrator rod |
CN105259706B (zh) * | 2015-11-26 | 2018-07-17 | 武汉华星光电技术有限公司 | 反射式液晶显示面板和显示装置 |
CN108562969B (zh) * | 2018-05-15 | 2024-04-05 | 杭州矽能新材料有限公司 | 高光效方形灯具 |
FR3088735B1 (fr) * | 2018-11-15 | 2020-10-30 | Thales Sa | Dispositif d'eclairage compatible d'equipement(s) de vision nocturne |
CN109765723A (zh) * | 2019-03-12 | 2019-05-17 | 京东方科技集团股份有限公司 | 一种光源组件、侧入式背光源模组及显示装置 |
Citations (6)
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US3761704A (en) * | 1972-01-06 | 1973-09-25 | Matusushita Electric Ind Co Lt | Dial illuminating device |
US3838909A (en) * | 1973-04-06 | 1974-10-01 | Rockwell International Corp | Ambient illuminations system for liquid crystal display |
EP0478102A2 (en) * | 1990-09-27 | 1992-04-01 | Compaq Computer Corporation | Faceted light pipe |
US5442522A (en) * | 1994-05-18 | 1995-08-15 | Kaiser Aerospace And Electronics Corporation | Wide dimming range backlight for liquid crystal devices |
US5664862A (en) * | 1994-11-29 | 1997-09-09 | Precision Lamp, Inc. | Edge light for panel display |
CN1195119A (zh) * | 1997-03-28 | 1998-10-07 | 夏普株式会社 | 前置照明装置和含该装置的反射型液晶显示器 |
Family Cites Families (9)
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US5055978A (en) * | 1989-12-29 | 1991-10-08 | Gte Products Corporation | Uniform light source |
JPH06102414A (ja) * | 1991-06-27 | 1994-04-15 | Nitsusen Kagaku Kk | 面照明用導光板及び面型照明体 |
JPH0627329A (ja) * | 1992-07-07 | 1994-02-04 | Daimon Seisakusho:Kk | 面光源用導光板 |
JPH08220346A (ja) * | 1995-02-09 | 1996-08-30 | Alpine Electron Inc | 照光装置 |
KR100414882B1 (ko) * | 1996-09-25 | 2004-05-31 | 삼성전자주식회사 | 광균일성을위한액정표시장치의백라이트구조 |
JP2001228477A (ja) * | 2000-02-15 | 2001-08-24 | Sakae Tanaka | 液晶表示素子の製造方法とバックライト |
KR20020041479A (ko) * | 2000-11-28 | 2002-06-03 | 유순재 | 엘씨디의 백 라이트 광원 모듈 |
US6561660B2 (en) * | 2001-06-26 | 2003-05-13 | Wintek Corporation | Light guiding device of a liquid crystal display |
KR100789138B1 (ko) * | 2001-09-05 | 2007-12-27 | 삼성전자주식회사 | 조명장치 및 이를 적용한 반사형 액정표시장치 |
-
2001
- 2001-09-05 KR KR1020010054446A patent/KR100789138B1/ko not_active IP Right Cessation
- 2001-09-19 TW TW090123060A patent/TW568991B/zh not_active IP Right Cessation
-
2002
- 2002-02-01 JP JP2002025322A patent/JP3982799B2/ja not_active Expired - Fee Related
- 2002-02-12 US US10/074,466 patent/US6752504B2/en not_active Expired - Lifetime
- 2002-02-25 CN CNB021051739A patent/CN100397176C/zh not_active Expired - Fee Related
-
2004
- 2004-05-03 US US10/838,036 patent/US7018085B2/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3761704A (en) * | 1972-01-06 | 1973-09-25 | Matusushita Electric Ind Co Lt | Dial illuminating device |
US3838909A (en) * | 1973-04-06 | 1974-10-01 | Rockwell International Corp | Ambient illuminations system for liquid crystal display |
EP0478102A2 (en) * | 1990-09-27 | 1992-04-01 | Compaq Computer Corporation | Faceted light pipe |
US5442522A (en) * | 1994-05-18 | 1995-08-15 | Kaiser Aerospace And Electronics Corporation | Wide dimming range backlight for liquid crystal devices |
US5664862A (en) * | 1994-11-29 | 1997-09-09 | Precision Lamp, Inc. | Edge light for panel display |
CN1195119A (zh) * | 1997-03-28 | 1998-10-07 | 夏普株式会社 | 前置照明装置和含该装置的反射型液晶显示器 |
Also Published As
Publication number | Publication date |
---|---|
TW568991B (en) | 2004-01-01 |
US20040201979A1 (en) | 2004-10-14 |
US7018085B2 (en) | 2006-03-28 |
US20030048628A1 (en) | 2003-03-13 |
KR100789138B1 (ko) | 2007-12-27 |
JP2003086017A (ja) | 2003-03-20 |
CN1407384A (zh) | 2003-04-02 |
JP3982799B2 (ja) | 2007-09-26 |
US6752504B2 (en) | 2004-06-22 |
KR20030021017A (ko) | 2003-03-12 |
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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 MONITOR CO., LTD. Free format text: FORMER OWNER: SAMSUNG ELECTRONICS CO., LTD. Effective date: 20121029 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20121029 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: 20080625 Termination date: 20200225 |