JP4368075B2 - 面型照明装置 - Google Patents

面型照明装置 Download PDF

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Publication number
JP4368075B2
JP4368075B2 JP2001239445A JP2001239445A JP4368075B2 JP 4368075 B2 JP4368075 B2 JP 4368075B2 JP 2001239445 A JP2001239445 A JP 2001239445A JP 2001239445 A JP2001239445 A JP 2001239445A JP 4368075 B2 JP4368075 B2 JP 4368075B2
Authority
JP
Japan
Prior art keywords
light
guide plate
light guide
light source
illumination device
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
Application number
JP2001239445A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002203415A5 (cg-RX-API-DMAC10.html
JP2002203415A (ja
Inventor
良信 平山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Priority to JP2001239445A priority Critical patent/JP4368075B2/ja
Priority to US09/984,305 priority patent/US6530670B2/en
Publication of JP2002203415A publication Critical patent/JP2002203415A/ja
Publication of JP2002203415A5 publication Critical patent/JP2002203415A5/ja
Application granted granted Critical
Publication of JP4368075B2 publication Critical patent/JP4368075B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G02B6/0015—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
    • G02B6/002—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • 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
    • G02B6/0031—Reflecting element, sheet or layer
    • 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

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)
  • Led Device Packages (AREA)
JP2001239445A 2000-11-06 2001-08-07 面型照明装置 Expired - Fee Related JP4368075B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2001239445A JP4368075B2 (ja) 2000-11-06 2001-08-07 面型照明装置
US09/984,305 US6530670B2 (en) 2000-11-06 2001-10-29 Planar illumination device

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000336828 2000-11-06
JP2000-336828 2000-11-06
JP2001239445A JP4368075B2 (ja) 2000-11-06 2001-08-07 面型照明装置

Publications (3)

Publication Number Publication Date
JP2002203415A JP2002203415A (ja) 2002-07-19
JP2002203415A5 JP2002203415A5 (cg-RX-API-DMAC10.html) 2006-07-27
JP4368075B2 true JP4368075B2 (ja) 2009-11-18

Family

ID=26603396

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001239445A Expired - Fee Related JP4368075B2 (ja) 2000-11-06 2001-08-07 面型照明装置

Country Status (2)

Country Link
US (1) US6530670B2 (cg-RX-API-DMAC10.html)
JP (1) JP4368075B2 (cg-RX-API-DMAC10.html)

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CN100342173C (zh) * 2001-08-27 2007-10-10 皇家飞利浦电子股份有限公司 具有扩大观察窗的光板
JP3770558B2 (ja) * 2002-01-18 2006-04-26 シチズン電子株式会社 導光板
JP4161713B2 (ja) * 2002-12-27 2008-10-08 カシオ計算機株式会社 面状照明装置
CN100357810C (zh) * 2003-07-19 2007-12-26 鸿富锦精密工业（深圳）有限公司 光源系统及背光模组
JP4441854B2 (ja) * 2003-11-25 2010-03-31 オムロン株式会社 面光源装置及び当該装置を用いた機器
KR101085096B1 (ko) * 2004-01-13 2011-11-18 도레이 카부시키가이샤 조명용 반사판 및 정보표시용 백라이트 장치
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
US7175310B1 (en) * 2004-02-10 2007-02-13 Cotterell Robert S Mouse pad having illuminated working surface
KR101166243B1 (ko) * 2004-02-11 2012-07-18 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 발광체
TWI251701B (en) * 2004-05-13 2006-03-21 Au Optronics Corp Lighting positioning device
US7570846B2 (en) * 2004-06-21 2009-08-04 Oree, Advanced Illumination Solutions Inc. High efficacy waveguide coupler
JP2006155929A (ja) * 2004-11-25 2006-06-15 Toshiba Matsushita Display Technology Co Ltd 面光源装置及び液晶表示装置
US7234855B2 (en) * 2005-06-06 2007-06-26 Taiwan Green Point Enterprises Co., Ltd. Lamp having a planar light-emitting source
US8272758B2 (en) 2005-06-07 2012-09-25 Oree, Inc. Illumination apparatus and methods of forming the same
US8215815B2 (en) * 2005-06-07 2012-07-10 Oree, Inc. Illumination apparatus and methods of forming the same
WO2006131924A2 (en) * 2005-06-07 2006-12-14 Oree, Advanced Illumination Solutions Inc. Illumination apparatus
KR100638874B1 (ko) * 2005-07-06 2006-10-27 삼성전기주식회사 Ｌｅｄ 광원이 도광판에 삽입된 백라이트 장치의광원-도광판 구조 및 이를 포함하는 백라이트 장치
US20070145682A1 (en) * 2005-09-09 2007-06-28 Rick Rowe Reconfigurable game pad
KR100735410B1 (ko) * 2005-11-17 2007-07-04 삼성전기주식회사 입사광을 균일하게 분포시키기 위한 도광판을 구비한 led 조명장치
WO2007060914A1 (ja) * 2005-11-22 2007-05-31 Sekisui Chemical Co., Ltd. 光伝送体
JP4589890B2 (ja) * 2005-11-22 2010-12-01 積水化学工業株式会社 光伝送体
KR101224376B1 (ko) * 2006-01-25 2013-01-21 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
US20080049445A1 (en) * 2006-08-25 2008-02-28 Philips Lumileds Lighting Company, Llc Backlight Using High-Powered Corner LED
JP4835936B2 (ja) * 2007-01-12 2011-12-14 ミネベア株式会社 面状照明装置
CN100492133C (zh) * 2007-02-25 2009-05-27 友达光电股份有限公司 具聚光效果的光源装置以及使用此光源装置的背光模块
DE102007010755A1 (de) * 2007-03-06 2008-10-30 Osram Opto Semiconductors Gmbh Anordnung mit einem Halbleiterchip und einer Lichtleiterschicht
US20080219025A1 (en) * 2007-03-07 2008-09-11 Spitzer Mark B Bi-directional backlight assembly
JP2008277110A (ja) * 2007-04-27 2008-11-13 Minebea Co Ltd 面状照明装置
WO2008146290A2 (en) * 2007-05-29 2008-12-04 Oree, Advanced Illumination Solutions Inc. Method and device for providing circumferential illumination
JP2009004261A (ja) * 2007-06-22 2009-01-08 Minebea Co Ltd 面状照明装置
JP4993096B2 (ja) * 2007-06-22 2012-08-08 ミネベア株式会社 面状照明装置及びその透明樹脂基板と、透明樹脂基板の射出成形方法
JP5007882B2 (ja) * 2007-08-10 2012-08-22 ミネベア株式会社 面状照明装置
US8172447B2 (en) * 2007-12-19 2012-05-08 Oree, Inc. Discrete lighting elements and planar assembly thereof
US20090161369A1 (en) * 2007-12-19 2009-06-25 Keren Regev Waveguide sheet and methods for manufacturing the same
US8104945B2 (en) * 2007-12-27 2012-01-31 Samsung Led Co., Ltd. Backlight unit implementing local dimming for liquid crystal display device
EP2260341A2 (en) * 2008-03-05 2010-12-15 Oree, Advanced Illumination Solutions INC. Illumination apparatus and methods of forming the same
US8301002B2 (en) * 2008-07-10 2012-10-30 Oree, Inc. Slim waveguide coupling apparatus and method
US8297786B2 (en) 2008-07-10 2012-10-30 Oree, Inc. Slim waveguide coupling apparatus and method
BRPI0920675A2 (pt) * 2008-10-10 2015-12-29 Sharp Kk dispositivo de iluminação, dispositivo de vídeo e receptor de televisão
US20100098377A1 (en) * 2008-10-16 2010-04-22 Noam Meir Light confinement using diffusers
US20100208469A1 (en) * 2009-02-10 2010-08-19 Yosi Shani Illumination surfaces with reduced linear artifacts
US8624527B1 (en) 2009-03-27 2014-01-07 Oree, Inc. Independently controllable illumination device
US8328406B2 (en) * 2009-05-13 2012-12-11 Oree, Inc. Low-profile illumination device
WO2010150202A2 (en) 2009-06-24 2010-12-29 Oree, Advanced Illumination Solutions Inc. Illumination apparatus with high conversion efficiency and methods of forming the same
TWI454760B (zh) * 2010-02-06 2014-10-01 Hon Hai Prec Ind Co Ltd 背光模組及其導光板
TWM410895U (en) * 2010-09-30 2011-09-01 Chunghwa Picture Tubes Ltd Backlight module
TW201303447A (zh) * 2011-07-11 2013-01-16 Beyond Innovation Tech Co Ltd 背光模組與使用其之液晶顯示器
WO2013008741A1 (ja) * 2011-07-13 2013-01-17 シャープ株式会社 バックライト及び液晶表示装置
US8591072B2 (en) 2011-11-16 2013-11-26 Oree, Inc. Illumination apparatus confining light by total internal reflection and methods of forming the same
US9857519B2 (en) 2012-07-03 2018-01-02 Oree Advanced Illumination Solutions Ltd. Planar remote phosphor illumination apparatus
CN104456425B (zh) * 2013-09-13 2017-09-19 扬升照明股份有限公司 面光源
CN104360521A (zh) * 2014-11-18 2015-02-18 深圳市华星光电技术有限公司 一种胶框及显示装置
KR102633411B1 (ko) * 2016-10-31 2024-02-06 엘지디스플레이 주식회사 백라이트유닛 및 이를 이용한 액정표시장치
TWM547701U (zh) * 2017-02-21 2017-08-21 Hades-Gaming Corp 具多片導光板之滑鼠墊
TWM560621U (zh) * 2017-10-18 2018-05-21 Hades Gaming Corp 發光型滑鼠墊及發光型滑鼠墊座體

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JP3466716B2 (ja) 1994-06-23 2003-11-17 株式会社名南製作所 ベニヤ単板持ち上げ装置
US5947578A (en) * 1995-10-24 1999-09-07 Nu-Tech & Engineering, Inc. Back lighting device
JPH1124585A (ja) 1997-07-03 1999-01-29 Bridgestone Corp バックライト
JPH11119701A (ja) * 1997-10-13 1999-04-30 Sanyo Electric Co Ltd バックライト
JP3331326B2 (ja) * 1998-11-13 2002-10-07 株式会社東芝 面光源装置及びこれを用いた平面表示装置

Also Published As

Publication number Publication date
JP2002203415A (ja) 2002-07-19
US6530670B2 (en) 2003-03-11
US20020054489A1 (en) 2002-05-09

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