CN1291253C - 光波导、光源装置、显示装置和配有它们的信息终端 - Google Patents
光波导、光源装置、显示装置和配有它们的信息终端 Download PDFInfo
- Publication number
- CN1291253C CN1291253C CN200410045810.5A CN200410045810A CN1291253C CN 1291253 C CN1291253 C CN 1291253C CN 200410045810 A CN200410045810 A CN 200410045810A CN 1291253 C CN1291253 C CN 1291253C
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- CN
- China
- Prior art keywords
- light
- emission
- optical waveguide
- incidence
- supply apparatus
- 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 - Lifetime
Links
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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
- G02B6/0013—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
- G02B6/0045—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
- G02B6/0033—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)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Liquid Crystal (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003142548 | 2003-05-20 | ||
JP2003142548A JP4336878B2 (ja) | 2003-05-20 | 2003-05-20 | 導光体、光源装置、表示装置及びこれを備えた情報端末 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1550800A CN1550800A (zh) | 2004-12-01 |
CN1291253C true CN1291253C (zh) | 2006-12-20 |
Family
ID=33447484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200410045810.5A Expired - Lifetime CN1291253C (zh) | 2003-05-20 | 2004-05-20 | 光波导、光源装置、显示装置和配有它们的信息终端 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7090388B2 (zh) |
JP (1) | JP4336878B2 (zh) |
CN (1) | CN1291253C (zh) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006054088A (ja) * | 2004-08-11 | 2006-02-23 | Alps Electric Co Ltd | 面発光装置及び液晶表示装置 |
JP4553726B2 (ja) * | 2004-12-28 | 2010-09-29 | 富士通株式会社 | 棒状導光体、照明装置及び液晶表示装置 |
JP2007041605A (ja) * | 2005-08-04 | 2007-02-15 | Boe Hydis Technology Co Ltd | 液晶表示装置のバックライト構造体 |
US7918600B2 (en) * | 2007-08-09 | 2011-04-05 | Panasonic Corporation | Planar illumination device and liquid crystal display device using the same |
CN101463953B (zh) * | 2007-12-19 | 2011-03-23 | 富准精密工业(深圳)有限公司 | 白光照明装置及使用该装置的台灯 |
US20100014027A1 (en) * | 2008-07-16 | 2010-01-21 | Jabil Circuit, Inc. | Led backlight having edge illuminator for flat panel lcd displays |
TW201007288A (en) * | 2008-08-11 | 2010-02-16 | Advanced Optoelectronic Tech | Edge lighting back light unit |
CN101725908B (zh) * | 2008-10-28 | 2014-05-14 | 群创光电股份有限公司 | 背光模块及其导光板 |
JP5297243B2 (ja) * | 2009-03-25 | 2013-09-25 | パナソニック株式会社 | 誘導灯 |
FI20095636A (fi) * | 2009-06-08 | 2010-12-09 | Marimils Oy | Näyttöjärjestelmä ja -laite |
US8690380B2 (en) * | 2009-09-11 | 2014-04-08 | Opto Design, Inc. | Surface illumination method using point light source, linear light source device, and surface illumination device using linear light source device |
CN101893188B (zh) * | 2010-07-14 | 2012-01-25 | 深圳市华星光电技术有限公司 | 背光模块及显示装置 |
US8842067B2 (en) | 2010-07-14 | 2014-09-23 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module and display apparatus |
KR101867283B1 (ko) * | 2011-01-24 | 2018-06-15 | 삼성디스플레이 주식회사 | 광가이드바, 이를 포함하는 백라이트 어셈블리 및 이를 포함하는 표시장치 |
US8724942B2 (en) * | 2011-04-26 | 2014-05-13 | Corning Incorporated | Light-coupling optical systems and methods employing light-diffusing optical fiber |
CN102434812A (zh) * | 2012-01-13 | 2012-05-02 | 苏州茂立光电科技有限公司 | 光源模块 |
US9709725B2 (en) * | 2013-03-15 | 2017-07-18 | Cree, Inc. | Luminaire utilizing waveguide |
EP3374822B1 (en) * | 2015-11-13 | 2023-12-27 | RealD Spark, LLC | Surface features for imaging directional backlights |
JP6699162B2 (ja) * | 2015-12-18 | 2020-05-27 | 大日本印刷株式会社 | 照明装置 |
TWI622733B (zh) * | 2016-01-18 | 2018-05-01 | 元太科技工業股份有限公司 | 發光裝置及其導光板 |
KR102638818B1 (ko) * | 2017-07-19 | 2024-02-20 | 루머스 리미티드 | Loe를 통한 lcos 조명 |
JP2019067538A (ja) * | 2017-09-28 | 2019-04-25 | イー インク コーポレイション | 照明装置、反射型表示装置および電子機器 |
AU2020400417A1 (en) | 2019-12-08 | 2022-07-28 | Lumus Ltd. | Optical systems with compact image projector |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4006918B2 (ja) | 2000-02-28 | 2007-11-14 | オムロン株式会社 | 面光源装置及びその製造方法 |
JP2001332112A (ja) | 2000-05-22 | 2001-11-30 | Mitsubishi Electric Corp | 液晶表示装置用バックライトおよびこれを備えた液晶表示装置 |
JP2002040420A (ja) | 2000-07-27 | 2002-02-06 | Mitsubishi Electric Corp | 液晶表示装置用バックライトおよび液晶表示装置 |
JP3762628B2 (ja) | 2000-09-29 | 2006-04-05 | 三洋電機株式会社 | 面光源装置 |
JP2002365439A (ja) | 2001-06-08 | 2002-12-18 | Toyota Industries Corp | 導光体及び液晶表示装置 |
JP4524491B2 (ja) * | 2001-08-28 | 2010-08-18 | ミネベア株式会社 | 面状照明装置 |
JP2003167132A (ja) * | 2001-11-30 | 2003-06-13 | Toyota Industries Corp | フロントライト用楔型導光板 |
JP2003255139A (ja) | 2002-02-28 | 2003-09-10 | Sanyo Electric Co Ltd | 表示装置および導光板 |
-
2003
- 2003-05-20 JP JP2003142548A patent/JP4336878B2/ja not_active Expired - Lifetime
-
2004
- 2004-05-19 US US10/848,380 patent/US7090388B2/en active Active
- 2004-05-20 CN CN200410045810.5A patent/CN1291253C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US7090388B2 (en) | 2006-08-15 |
US20040234229A1 (en) | 2004-11-25 |
CN1550800A (zh) | 2004-12-01 |
JP2004349030A (ja) | 2004-12-09 |
JP4336878B2 (ja) | 2009-09-30 |
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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 | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: JINZHEN CO., LTD. Free format text: FORMER OWNER: NEC CORP. Effective date: 20130409 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130409 Address after: Samoa Apia hiSoft Center No. 217 mailbox Patentee after: Jinzhen Co.,Ltd. Address before: Tokyo, Japan Patentee before: NEC Corp. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20230522 Address after: Floor 4, No. 15, Lane 168, Xingshan Road, Neihu District, Taipei City, Taiwan, China, 114762, China Patentee after: HANNSTAR DISPLAY Corp. Address before: Apia, hiSoft center, No. 217 mailbox Patentee before: Jinzhen Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
CX01 | Expiry of patent term |
Granted publication date: 20061220 |
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CX01 | Expiry of patent term |