TW200537204A - Light guide plate, and planar lighting device and liquid crystal display device using the same - Google Patents

Light guide plate, and planar lighting device and liquid crystal display device using the same Download PDF

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Publication number
TW200537204A
TW200537204A TW094104747A TW94104747A TW200537204A TW 200537204 A TW200537204 A TW 200537204A TW 094104747 A TW094104747 A TW 094104747A TW 94104747 A TW94104747 A TW 94104747A TW 200537204 A TW200537204 A TW 200537204A
Authority
TW
Taiwan
Prior art keywords
guide plate
light guide
light
parallel groove
exit surface
Prior art date
Application number
TW094104747A
Other languages
English (en)
Chinese (zh)
Inventor
Osamu Iwasaki
Original Assignee
Fuji Photo Film Co Ltd
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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of TW200537204A publication Critical patent/TW200537204A/zh

Links

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
    • G02B6/0035—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
    • G02B6/0015—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
    • 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
    • G02B6/0033—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
    • 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
    • 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
    • G02B6/0055—Reflecting element, sheet or layer

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)
TW094104747A 2004-02-20 2005-02-18 Light guide plate, and planar lighting device and liquid crystal display device using the same TW200537204A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004045463A JP4264013B2 (ja) 2004-02-20 2004-02-20 導光板、これを用いる面状照明装置および液晶表示装置

Publications (1)

Publication Number Publication Date
TW200537204A true TW200537204A (en) 2005-11-16

Family

ID=34879390

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094104747A TW200537204A (en) 2004-02-20 2005-02-18 Light guide plate, and planar lighting device and liquid crystal display device using the same

Country Status (6)

Country Link
US (1) US8210731B2 (enExample)
EP (1) EP1716438A2 (enExample)
JP (1) JP4264013B2 (enExample)
CN (1) CN1922515A (enExample)
TW (1) TW200537204A (enExample)
WO (1) WO2005080863A2 (enExample)

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EP1813859A4 (en) * 2004-11-09 2010-03-17 Fujifilm Corp LIGHT GUIDE PLATE, SURFACE LIGHTING DEVICE USING SAME, AND LIQUID CRYSTAL DISPLAY
EP1847767A4 (en) * 2005-02-08 2013-01-23 Fujifilm Corp LIGHT GUIDE PLATE, AND PLANAR LIGHTING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE LIGHT GUIDE PLATE
EP1865251A4 (en) * 2005-03-29 2010-04-14 Fujifilm Corp LIGHT DRIVER ELEMENT, PLANAR ILLUMINATOR USING THE SAME, AND BAR ILLUMINATOR
JP2006339320A (ja) * 2005-05-31 2006-12-14 Omron Corp 発光光源及び発光光源における光の出射方法
US7760403B2 (en) * 2005-06-14 2010-07-20 Ricoh Co., Ltd. Optical irradiation apparatus, image reading apparatus using the same, and image forming apparatus using the same
JP2009509297A (ja) * 2005-09-19 2009-03-05 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 表示装置を照明する照明システム、及び前記のような照明システムを備える表示装置
JP2007155791A (ja) 2005-11-30 2007-06-21 Fujifilm Corp 面光源装置
US7445358B2 (en) 2005-12-27 2008-11-04 Fujifilm Corporation Light guide plate and a planar lighting device using the same
JP4629585B2 (ja) * 2006-01-17 2011-02-09 富士フイルム株式会社 導光板およびこれを用いる面状照明装置
JP4648209B2 (ja) * 2006-02-02 2011-03-09 富士フイルム株式会社 面状照明装置
JP4524255B2 (ja) * 2006-02-07 2010-08-11 富士フイルム株式会社 面状照明装置
JP4652987B2 (ja) * 2006-02-09 2011-03-16 富士フイルム株式会社 面状照明装置
CN100543549C (zh) * 2006-03-22 2009-09-23 鸿富锦精密工业（深圳）有限公司 背光系统
JP4699936B2 (ja) * 2006-04-28 2011-06-15 富士フイルム株式会社 面状照明装置およびこれを用いる液晶表示装置
JP4155310B2 (ja) * 2006-06-02 2008-09-24 ソニー株式会社 バックライト装置と液晶表示装置および液晶表示装置を使用した電子機器
US8246232B2 (en) 2006-09-29 2012-08-21 Osram Opto Semiconductors Gmbh Optical waveguide and optical apparatus
US7746517B2 (en) * 2007-01-25 2010-06-29 Lexmark International, Inc. Image illumination and capture in a scanning device
JP5153152B2 (ja) 2007-01-31 2013-02-27 富士フイルム株式会社 面状照明装置
JP5414224B2 (ja) 2007-10-19 2014-02-12 富士フイルム株式会社 面状照明装置
JP2010080401A (ja) 2008-09-29 2010-04-08 Fujifilm Corp 面状照明装置
KR20120072378A (ko) * 2009-09-23 2012-07-03 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 도광체, 조명 시스템, 백라이팅 시스템 및 디스플레이 장치
CN101980059B (zh) * 2010-08-30 2012-12-19 应骏 一种透光面板及其显示图像的矫正方法
CN102156320B (zh) * 2011-02-25 2013-06-26 深圳市华星光电技术有限公司 侧入式导光板组件及背光模块
KR101859413B1 (ko) * 2011-12-26 2018-05-21 삼성디스플레이 주식회사 표시 모듈 및 이를 포함하는 표시 장치
US9052544B2 (en) * 2012-03-26 2015-06-09 Shenzhen China Star Optoelectronics Technology Co., Ltd Direct-light backlight module and liquid crystal display device
KR102232058B1 (ko) * 2012-09-19 2021-03-24 엘지디스플레이 주식회사 백라이트 유닛 및 이를 포함하는 액정표시장치 모듈
TWI490607B (zh) 2012-10-15 2015-07-01 群康科技(深圳)有限公司 顯示裝置及其發光模組與導光板
TWI485483B (zh) * 2012-10-16 2015-05-21 Innocom Tech Shenzhen Co Ltd 導光板、發光模組及顯示裝置
US9784902B2 (en) * 2013-03-25 2017-10-10 3M Innovative Properties Company Dual-sided film with split light spreading structures
EP3362736A4 (en) * 2015-10-13 2019-03-13 Ameritech LLC LIGHT WITH LIGHT DIODES
US10739513B2 (en) 2018-08-31 2020-08-11 RAB Lighting Inc. Apparatuses and methods for efficiently directing light toward and away from a mounting surface
US10801679B2 (en) 2018-10-08 2020-10-13 RAB Lighting Inc. Apparatuses and methods for assembling luminaires
JP7382563B2 (ja) * 2019-05-23 2023-11-17 パナソニックＩｐマネジメント株式会社 照明器具
JP7204304B2 (ja) * 2019-07-31 2023-01-16 矢崎総業株式会社 指針発光装置
CN112310056B (zh) * 2019-08-02 2024-06-18 日亚化学工业株式会社 发光装置和面发光光源
CN116447537A (zh) * 2023-04-25 2023-07-18 东风汽车集团股份有限公司 一种渐变式光学厚壁结构、车灯和车辆

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Also Published As

Publication number Publication date
WO2005080863A2 (en) 2005-09-01
US20070165422A1 (en) 2007-07-19
JP4264013B2 (ja) 2009-05-13
CN1922515A (zh) 2007-02-28
WO2005080863A3 (en) 2006-02-02
US8210731B2 (en) 2012-07-03
JP2005234397A (ja) 2005-09-02
EP1716438A2 (en) 2006-11-02

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