JP5339186B2 - 光導波板を有する発光キーボード - Google Patents

光導波板を有する発光キーボード Download PDF

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Publication number
JP5339186B2
JP5339186B2 JP2008325529A JP2008325529A JP5339186B2 JP 5339186 B2 JP5339186 B2 JP 5339186B2 JP 2008325529 A JP2008325529 A JP 2008325529A JP 2008325529 A JP2008325529 A JP 2008325529A JP 5339186 B2 JP5339186 B2 JP 5339186B2
Authority
JP
Japan
Prior art keywords
light
light emitting
optical waveguide
waveguide plate
region
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
JP2008325529A
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English (en)
Japanese (ja)
Other versions
JP2009259212A (ja
JP2009259212A5 (enExample
Inventor
ツァイ，フオ−ル
Original Assignee
ジン モールド エレクトロニクス テクノロジー （シェン チェン） カンパニー リミテッド
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 ジン モールド エレクトロニクス テクノロジー （シェン チェン） カンパニー リミテッド filed Critical ジン モールド エレクトロニクス テクノロジー （シェン チェン） カンパニー リミテッド
Publication of JP2009259212A publication Critical patent/JP2009259212A/ja
Publication of JP2009259212A5 publication Critical patent/JP2009259212A5/ja
Application granted granted Critical
Publication of JP5339186B2 publication Critical patent/JP5339186B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0202—Constructional details or processes of manufacture of the input device
    • 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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/83—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/056—Diffuser; Uneven surface
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/062—Light conductor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Optics & Photonics (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Push-Button Switches (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Planar Illumination Modules (AREA)
JP2008325529A 2008-04-11 2008-12-22 光導波板を有する発光キーボード Expired - Fee Related JP5339186B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2008100665809A CN101256911B (zh) 2008-04-11 2008-04-11 具有导光板的发光键盘
CN200810066580.9 2008-04-11

Publications (3)

Publication Number Publication Date
JP2009259212A JP2009259212A (ja) 2009-11-05
JP2009259212A5 JP2009259212A5 (enExample) 2011-04-07
JP5339186B2 true JP5339186B2 (ja) 2013-11-13

Family

ID=39891600

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008325529A Expired - Fee Related JP5339186B2 (ja) 2008-04-11 2008-12-22 光導波板を有する発光キーボード

Country Status (3)

Country Link
US (1) US7939773B2 (enExample)
JP (1) JP5339186B2 (enExample)
CN (1) CN101256911B (enExample)

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US20090201179A1 (en) * 1999-09-15 2009-08-13 Michael Shipman Illuminated keyboard
TWI329373B (en) * 2007-03-13 2010-08-21 Lite On Technology Corp Light-emitting device and electronic device using the same
US8128297B2 (en) * 2008-09-11 2012-03-06 Zippy Technology Corp. Self-luminous keyboard with brightness-enhanced keycaps
US8334794B2 (en) * 2008-10-16 2012-12-18 Alps Electric Co., Ltd. Input device and keyboard device having illumination function
TWM373518U (en) * 2009-06-25 2010-02-01 Wistron Corp Light guide plate and membrane keyboard having the light guide plate
US8207462B2 (en) * 2009-09-01 2012-06-26 Global Lighting Technologies (Taiwan) Inc. Key structure having improved light emitting efficiency
TWI399776B (zh) * 2010-01-08 2013-06-21 Zippy Tech Corp Thin light-emitting keyboard
CN101852371B (zh) * 2010-04-13 2012-09-12 苏州向隆塑胶有限公司 背光模块、其制造方法及采用此背光模块之电子装置
US20110290628A1 (en) * 2010-05-31 2011-12-01 Sunrex Technology Corp Membrane keyboard with parts being fixedly secured together
JP2012209127A (ja) * 2011-03-30 2012-10-25 Alps Electric Co Ltd 導光シート、これを用いた接点ばね付シート及びこれを用いたスイッチ装置
TWI426218B (zh) * 2011-08-31 2014-02-11 Global Lighting Technology Inc 發光模組
US9117603B2 (en) 2013-07-31 2015-08-25 Zippy Technology Corp. Illuminated keyboard equipped with a thin key module
CN105042404B (zh) * 2015-05-28 2016-03-30 苏州达方电子有限公司 背光模组
TWI607471B (zh) * 2015-08-21 2017-12-01 達方電子股份有限公司 背光模組
US10590600B1 (en) 2016-01-19 2020-03-17 Apple Inc. Illumination systems within fabric-based devices
WO2021093621A1 (zh) * 2019-11-14 2021-05-20 陈�峰 一种导光板光开关及导光板阵列光开关模块
CN117012573B (zh) * 2022-04-29 2025-10-24 淮安达方电子有限公司 发光键盘及用于发光键盘的背光装置
WO2023232146A1 (zh) * 2022-06-03 2023-12-07 陈�峰 一种交叉光波导光开关模块
US12395172B2 (en) * 2023-06-14 2025-08-19 Darfon Electronics Corp. Touch input device

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10188642A (ja) * 1996-12-25 1998-07-21 Sony Corp 照明装置
JP2002343187A (ja) * 2001-05-18 2002-11-29 Matsushita Electric Ind Co Ltd 照光式押釦スイッチ
JP2003068121A (ja) * 2001-08-23 2003-03-07 Nidec Copal Corp 面発光装置
TW509955B (en) * 2001-11-30 2002-11-11 Darfon Electronics Corp Light emitting keyboard
JP4181792B2 (ja) * 2002-05-21 2008-11-19 日本ライツ株式会社 導光板および平面照明装置
JP2004134093A (ja) * 2002-10-08 2004-04-30 Alps Electric Co Ltd 入力パネル装置
TWI273291B (en) * 2002-12-17 2007-02-11 Hon Hai Prec Ind Co Ltd Surface light source and light guide plate used therein
TWI220213B (en) * 2003-03-04 2004-08-11 Darfon Electronics Corp Keyboard structure
JP4284212B2 (ja) * 2003-06-20 2009-06-24 パナソニック株式会社 照光装置
US7196693B2 (en) * 2003-12-12 2007-03-27 Compal Electronics, Inc. Lighting keyboard and lighting module thereof
US8425102B2 (en) * 2004-04-30 2013-04-23 Modilis Holdings Llc Ultrathin lighting element
US7057125B1 (en) * 2005-06-06 2006-06-06 Huo-Lu Tsai Backlighting keyboard
JP4581971B2 (ja) * 2005-06-10 2010-11-17 パナソニック株式会社 キー入力装置
US7683279B2 (en) * 2006-02-28 2010-03-23 Hyun Soo Kim Light emitting keypad comprising light guide film and light guide
CN2886939Y (zh) * 2006-03-08 2007-04-04 鸿富锦精密工业（深圳）有限公司 导光板及使用该导光板的电子产品
JPWO2007132781A1 (ja) * 2006-05-12 2009-09-24 アルプス電気株式会社 照光機能付き入力装置
KR100675040B1 (ko) 2006-07-12 2007-01-29 주식회사 모센 키패드용 라이트 가이드 및 그 라이트 가이드를 이용한휴대폰용 키패드
US7736042B2 (en) * 2006-07-20 2010-06-15 Ls Tech Co., Ltd. Back light unit
CN200947399Y (zh) * 2006-08-25 2007-09-12 盛泓企业有限公司 按键键盘的背光改良结构
US7498534B2 (en) * 2006-08-30 2009-03-03 3M Innovative Properties Company Keypad light guide
TWM325684U (en) * 2006-10-27 2008-01-11 Lite On Technology Corp Light-guide plate for pushbutton
CN200965837Y (zh) * 2006-11-02 2007-10-24 盛泓企业有限公司 键盘的光源及背光改良结构
US7455416B2 (en) * 2006-11-17 2008-11-25 Ichia Technologies, Inc. Light guide structure and keypad having the same
US7423229B2 (en) * 2006-11-17 2008-09-09 Ichia Technologies, Inc. Light guiding plate and a keystroke module for use therewith
US7534001B2 (en) * 2007-03-07 2009-05-19 Ichia Technologies, Inc. Light-guiding method of light-guiding plate and key pad assembly using the light-guiding plate
CN201256098Y (zh) * 2008-04-11 2009-06-10 精模电子科技（深圳）有限公司 具有导光板的发光键盘

Also Published As

Publication number Publication date
US20090256726A1 (en) 2009-10-15
US7939773B2 (en) 2011-05-10
JP2009259212A (ja) 2009-11-05
CN101256911B (zh) 2012-06-06
CN101256911A (zh) 2008-09-03

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