CN101256911B - 具有导光板的发光键盘 - Google Patents

具有导光板的发光键盘 Download PDF

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Publication number
CN101256911B
CN101256911B CN2008100665809A CN200810066580A CN101256911B CN 101256911 B CN101256911 B CN 101256911B CN 2008100665809 A CN2008100665809 A CN 2008100665809A CN 200810066580 A CN200810066580 A CN 200810066580A CN 101256911 B CN101256911 B CN 101256911B
Authority
CN
China
Prior art keywords
light
lgp
several
luminous
luminous element
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
CN2008100665809A
Other languages
English (en)
Chinese (zh)
Other versions
CN101256911A (zh
Inventor
蔡火炉
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.)
JINGMUO ELECTRONIC SCINCE-TECHNOLOGY (SHENZHEN) Co Ltd
Original Assignee
JINGMUO ELECTRONIC SCINCE-TECHNOLOGY (SHENZHEN) 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 JINGMUO ELECTRONIC SCINCE-TECHNOLOGY (SHENZHEN) Co Ltd filed Critical JINGMUO ELECTRONIC SCINCE-TECHNOLOGY (SHENZHEN) Co Ltd
Priority to CN2008100665809A priority Critical patent/CN101256911B/zh
Publication of CN101256911A publication Critical patent/CN101256911A/zh
Priority to US12/266,836 priority patent/US7939773B2/en
Priority to JP2008325529A priority patent/JP5339186B2/ja
Application granted granted Critical
Publication of CN101256911B publication Critical patent/CN101256911B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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)
CN2008100665809A 2008-04-11 2008-04-11 具有导光板的发光键盘 Expired - Fee Related CN101256911B (zh)

Priority Applications (3)

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
US12/266,836 US7939773B2 (en) 2008-04-11 2008-11-07 Illuminated keyboard with a light guide plate
JP2008325529A JP5339186B2 (ja) 2008-04-11 2008-12-22 光導波板を有する発光キーボード

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
CN101256911A CN101256911A (zh) 2008-09-03
CN101256911B true CN101256911B (zh) 2012-06-06

Family

ID=39891600

Family Applications (1)

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

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

Citations (6)

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JP2004134093A (ja) * 2002-10-08 2004-04-30 Alps Electric Co Ltd 入力パネル装置
KR100675040B1 (ko) 2006-07-12 2007-01-29 주식회사 모센 키패드용 라이트 가이드 및 그 라이트 가이드를 이용한휴대폰용 키패드
WO2007100180A1 (en) * 2006-02-28 2007-09-07 Attocon Co., Ltd. Light emitting keypad comprising light guide film and light guide film
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
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
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

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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
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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
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
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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
US7736042B2 (en) * 2006-07-20 2010-06-15 Ls Tech Co., Ltd. Back light unit
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
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

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Publication number Priority date Publication date Assignee Title
JP2004134093A (ja) * 2002-10-08 2004-04-30 Alps Electric Co Ltd 入力パネル装置
WO2007100180A1 (en) * 2006-02-28 2007-09-07 Attocon Co., Ltd. Light emitting keypad comprising light guide film and light guide film
KR100675040B1 (ko) 2006-07-12 2007-01-29 주식회사 모센 키패드용 라이트 가이드 및 그 라이트 가이드를 이용한휴대폰용 키패드
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
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
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
JP5339186B2 (ja) 2013-11-13
CN101256911A (zh) 2008-09-03

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SE01 Entry into force of request for substantive examination
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120606

Termination date: 20150411

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