TWI432801B - - Google Patents

Info

Publication number
TWI432801B
TWI432801B TW100101429A TW100101429A TWI432801B TW I432801 B TWI432801 B TW I432801B TW 100101429 A TW100101429 A TW 100101429A TW 100101429 A TW100101429 A TW 100101429A TW I432801 B TWI432801 B TW I432801B
Authority
TW
Taiwan
Application number
TW100101429A
Other versions
TW201222028A (en
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 filed Critical
Priority to TW100101429A priority Critical patent/TW201222028A/zh
Priority to CN201110045758.3A priority patent/CN102478682B/zh
Priority to US13/104,344 priority patent/US8687937B2/en
Publication of TW201222028A publication Critical patent/TW201222028A/zh
Application granted granted Critical
Publication of TWI432801B publication Critical patent/TWI432801B/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
    • G02B6/005—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
    • 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
    • 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
    • G02B6/0063—Means for improving the coupling-out of light from the light guide for extracting light out both the major surfaces of the light guide
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0428—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by sensing at the edges of the touch surface the interruption of optical paths, e.g. an illumination plane, parallel to the touch surface which may be virtual

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
TW100101429A 2010-11-23 2011-01-14 Light guide module TW201222028A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
TW100101429A TW201222028A (en) 2010-11-23 2011-01-14 Light guide module
CN201110045758.3A CN102478682B (zh) 2010-11-23 2011-02-25 导光模组
US13/104,344 US8687937B2 (en) 2010-11-23 2011-05-10 Light-guide module

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW99140388 2010-11-23
TW100101429A TW201222028A (en) 2010-11-23 2011-01-14 Light guide module

Publications (2)

Publication Number Publication Date
TW201222028A TW201222028A (en) 2012-06-01
TWI432801B true TWI432801B (zh) 2014-04-01

Family

ID=46064458

Family Applications (1)

Application Number Title Priority Date Filing Date
TW100101429A TW201222028A (en) 2010-11-23 2011-01-14 Light guide module

Country Status (3)

Country Link
US (1) US8687937B2 (zh)
CN (1) CN102478682B (zh)
TW (1) TW201222028A (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI730850B (zh) * 2020-07-22 2021-06-11 茂林光電科技股份有限公司 導光條
US11774668B1 (en) 2023-01-07 2023-10-03 Chicony Power Technology Co., Ltd. Light-emitting module

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5358550B2 (ja) * 2010-11-30 2013-12-04 京セラドキュメントソリューションズ株式会社 画像読取装置及び画像形成装置
CA2839358A1 (en) * 2011-07-11 2013-01-17 Raytheon Company Compact light homogenizer
US10027846B2 (en) * 2015-02-20 2018-07-17 Mitsubishi Electric Corporation Light guide body, light source device and image reading device
DE102015105168A1 (de) * 2015-04-02 2016-10-06 Hella Kgaa Hueck & Co. Lichtleiter für eine Beleuchtungseinrichtung
US9971084B2 (en) * 2015-09-28 2018-05-15 Apple Inc. Illumination structure for uniform illumination of keys

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JPH0670882B2 (ja) * 1988-08-23 1994-09-07 株式会社明拓システム 単板使用エッジライトパネル
JP3204999B2 (ja) * 1990-06-26 2001-09-04 株式会社スタンレー滋賀製作所 エッジライトパネル
DE69435168D1 (de) 1993-01-19 2009-01-02 Canon Kk Längliche Beleuchtungsvorrichtung und Informationsauslesevorrichtung, die eine solche Beleuchtungsvorrichtung aufweist
JP3429387B2 (ja) * 1995-03-31 2003-07-22 株式会社エンプラス サイドライト型面光源装置
US7108414B2 (en) * 1995-06-27 2006-09-19 Solid State Opto Limited Light emitting panel assemblies
JP3654410B2 (ja) * 1997-08-11 2005-06-02 株式会社エンプラス サイドライト型面光源装置、液晶表示装置及び導光板
JP3730077B2 (ja) * 2000-03-01 2005-12-21 日本板硝子株式会社 導光体
US6710829B2 (en) * 2000-05-03 2004-03-23 Benq Corporation Method of performing a uniform illumination pattern in a back-light plate using a press
JP3742570B2 (ja) * 2000-08-11 2006-02-08 株式会社エンプラス 導光板、面光源装置及び表示装置
US20020067445A1 (en) * 2000-12-05 2002-06-06 Yung Huang Tsai Reflecting panel structure of reflective liquid crystal display
US6846098B2 (en) * 2002-05-16 2005-01-25 Eastman Kodak Company Light diffuser with variable diffusion
JP2003346530A (ja) * 2002-05-23 2003-12-05 Nippon Sheet Glass Co Ltd 面状光源装置および画像読み取り装置
JP2004056425A (ja) * 2002-07-19 2004-02-19 Nippon Sheet Glass Co Ltd ライン照明装置及び画像読取装置
TWI247142B (en) * 2002-11-20 2006-01-11 Hon Hai Prec Ind Co Ltd Light guide plate used for backlight module
TWI273291B (en) * 2002-12-17 2007-02-11 Hon Hai Prec Ind Co Ltd Surface light source and light guide plate used therein
CN101178506A (zh) * 2006-11-07 2008-05-14 群康科技(深圳)有限公司 背光模块
US7650056B2 (en) * 2006-11-17 2010-01-19 Ichia Technologies, Inc. Method for manufacturing a light-guiding plate and key module having the light-guiding plate
JP4878335B2 (ja) * 2007-06-14 2012-02-15 シチズン電子株式会社 導光板の製造方法、導光板及びバックライトユニット並びに表示装置
CN101441354A (zh) * 2007-11-20 2009-05-27 上海广电Nec液晶显示器有限公司 Led线光源模组及其背光源装置
JP5172592B2 (ja) * 2008-10-17 2013-03-27 日東光学株式会社 光学素子および発光装置
CN101750666B (zh) * 2008-12-05 2012-05-30 清华大学 导光板以及使用该导光板的背光模组
CN201434256Y (zh) * 2009-04-28 2010-03-31 敦南科技股份有限公司 均匀光产生结构
KR101565409B1 (ko) * 2009-06-02 2015-11-03 엘지전자 주식회사 Ｌｅｄ 백라이트 유닛
CN201589081U (zh) * 2009-07-24 2010-09-22 敦南科技股份有限公司 用于提升发光效率及增加光源指向性的光源产生结构
KR20110050270A (ko) * 2009-11-06 2011-05-13 삼성전자주식회사 도광판, ｂｌｕ 및 디스플레이 장치
TWI454760B (zh) * 2010-02-06 2014-10-01 Hon Hai Prec Ind Co Ltd 背光模組及其導光板

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI730850B (zh) * 2020-07-22 2021-06-11 茂林光電科技股份有限公司 導光條
US11774668B1 (en) 2023-01-07 2023-10-03 Chicony Power Technology Co., Ltd. Light-emitting module

Also Published As

Publication number Publication date
CN102478682A (zh) 2012-05-30
US8687937B2 (en) 2014-04-01
CN102478682B (zh) 2015-01-21
US20120128298A1 (en) 2012-05-24
TW201222028A (en) 2012-06-01

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees