JP2012238414A - 面状照明装置 - Google Patents

面状照明装置 Download PDF

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Publication number
JP2012238414A
JP2012238414A JP2011105094A JP2011105094A JP2012238414A JP 2012238414 A JP2012238414 A JP 2012238414A JP 2011105094 A JP2011105094 A JP 2011105094A JP 2011105094 A JP2011105094 A JP 2011105094A JP 2012238414 A JP2012238414 A JP 2012238414A
Authority
JP
Japan
Prior art keywords
light
guide sheet
light guide
light source
emitting surface
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.)
Withdrawn
Application number
JP2011105094A
Other languages
English (en)
Japanese (ja)
Inventor
Osamu Iwasaki
修 岩崎
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.)
Fujifilm Corp
Original Assignee
Fujifilm 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 Fujifilm Corp filed Critical Fujifilm Corp
Priority to JP2011105094A priority Critical patent/JP2012238414A/ja
Priority to PCT/JP2012/060574 priority patent/WO2012153615A1/fr
Publication of JP2012238414A publication Critical patent/JP2012238414A/ja
Withdrawn legal-status Critical Current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
    • 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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0091—Positioning aspects of the light source relative to 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
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0076—Stacked arrangements of multiple light guides of the same or different cross-sectional area

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)
JP2011105094A 2011-05-10 2011-05-10 面状照明装置 Withdrawn JP2012238414A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011105094A JP2012238414A (ja) 2011-05-10 2011-05-10 面状照明装置
PCT/JP2012/060574 WO2012153615A1 (fr) 2011-05-10 2012-04-19 Dispositif d'éclairage de forme plane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011105094A JP2012238414A (ja) 2011-05-10 2011-05-10 面状照明装置

Publications (1)

Publication Number Publication Date
JP2012238414A true JP2012238414A (ja) 2012-12-06

Family

ID=47139101

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011105094A Withdrawn JP2012238414A (ja) 2011-05-10 2011-05-10 面状照明装置

Country Status (2)

Country Link
JP (1) JP2012238414A (fr)
WO (1) WO2012153615A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021047114A1 (fr) * 2019-09-12 2021-03-18 惠州市华星光电技术有限公司 Plaque de guidage de lumière et dispositif d'affichage l'utilisant

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103134007B (zh) * 2013-03-15 2015-07-15 深圳市华星光电技术有限公司 导光板定位结构及背光模组
US9310550B2 (en) 2013-03-15 2016-04-12 Shenzhen China Star Optoelectronics Technology Co., Ltd. Positioning device for light guide plate and backlight module
JP6620678B2 (ja) * 2016-06-15 2019-12-18 株式会社三洋物産 遊技機
JP6652010B2 (ja) * 2016-07-15 2020-02-19 株式会社三洋物産 遊技機
JP2019177242A (ja) * 2019-07-25 2019-10-17 株式会社三洋物産 遊技機
JP2019209213A (ja) * 2019-09-25 2019-12-12 株式会社三洋物産 遊技機
JP2020022893A (ja) * 2019-11-22 2020-02-13 株式会社三洋物産 遊技機
JP7024825B2 (ja) * 2020-07-07 2022-02-24 株式会社三洋物産 遊技機
JP7024826B2 (ja) * 2020-07-07 2022-02-24 株式会社三洋物産 遊技機
JP7251525B2 (ja) * 2020-07-07 2023-04-04 株式会社三洋物産 遊技機

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4013287B2 (ja) * 1997-06-03 2007-11-28 日亜化学工業株式会社 面状発光装置
JP2004253187A (ja) * 2003-02-18 2004-09-09 Toshiba Matsushita Display Technology Co Ltd 照明ユニット及びそれを用いた液晶表示装置
EP1655536A4 (fr) * 2003-07-31 2008-09-03 Omron Tateisi Electronics Co Source de lumi re superficielle
JP2007220369A (ja) * 2006-02-14 2007-08-30 Seiko Instruments Inc 照明装置及びこれを備える表示装置
US8052315B2 (en) * 2006-07-28 2011-11-08 Fujifilm Corporation Planar illumination device
JP5225015B2 (ja) * 2007-10-19 2013-07-03 富士フイルム株式会社 導光板
CN102483197A (zh) * 2009-08-28 2012-05-30 富士胶片株式会社 面状照明装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021047114A1 (fr) * 2019-09-12 2021-03-18 惠州市华星光电技术有限公司 Plaque de guidage de lumière et dispositif d'affichage l'utilisant

Also Published As

Publication number Publication date
WO2012153615A1 (fr) 2012-11-15

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Legal Events

Date Code Title Description
A300 Withdrawal of application because of no request for examination

Free format text: JAPANESE INTERMEDIATE CODE: A300

Effective date: 20140805