CN101512697A - 键盘光导装置 - Google Patents

键盘光导装置 Download PDF

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Publication number
CN101512697A
CN101512697A CNA2007800326108A CN200780032610A CN101512697A CN 101512697 A CN101512697 A CN 101512697A CN A2007800326108 A CNA2007800326108 A CN A2007800326108A CN 200780032610 A CN200780032610 A CN 200780032610A CN 101512697 A CN101512697 A CN 101512697A
Authority
CN
China
Prior art keywords
light
film
regions
microstructured features
light source
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.)
Pending
Application number
CNA2007800326108A
Other languages
English (en)
Chinese (zh)
Inventor
查尔斯·D·霍伊尔
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.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of CN101512697A publication Critical patent/CN101512697A/zh
Pending 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
    • 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
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened 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
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/006—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to produce indicia, symbols, texts or the like
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/036—Light emitting elements
    • H01H2219/044—Edge lighting of layer
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/064—Optical isolation of switch sites

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Push-Button Switches (AREA)
  • Planar Illumination Modules (AREA)
  • Input From Keyboards Or The Like (AREA)
CNA2007800326108A 2006-08-30 2007-08-13 键盘光导装置 Pending CN101512697A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/468,522 US7498534B2 (en) 2006-08-30 2006-08-30 Keypad light guide
US11/468,522 2006-08-30

Publications (1)

Publication Number Publication Date
CN101512697A true CN101512697A (zh) 2009-08-19

Family

ID=39136261

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2007800326108A Pending CN101512697A (zh) 2006-08-30 2007-08-13 键盘光导装置

Country Status (7)

Country Link
US (1) US7498534B2 (enExample)
EP (1) EP2057651A4 (enExample)
JP (1) JP2010503155A (enExample)
KR (1) KR20090074723A (enExample)
CN (1) CN101512697A (enExample)
TW (1) TW200819675A (enExample)
WO (1) WO2008027716A1 (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102565918A (zh) * 2010-12-17 2012-07-11 杜比实验室特许公司 量子点照明技术
CN102737879A (zh) * 2011-03-30 2012-10-17 阿尔卑斯电气株式会社 导光片、使用它的带触点弹簧的片以及使用它的开关装置
US9810944B2 (en) 2014-08-21 2017-11-07 Dolby Laboratories Licensing Corporation Techniques for dual modulation with light conversion
US10262603B2 (en) 2014-03-26 2019-04-16 Dolby Laboratories Licensing Corporation Global light compensation in a variety of displays

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* Cited by examiner, † Cited by third party
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KR100700143B1 (ko) * 2005-12-02 2007-03-28 엘지전자 주식회사 터치 키패드의 키선택 표시 장치 및 그 방법
CN101364487A (zh) * 2007-08-09 2009-02-11 鸿富锦精密工业（深圳）有限公司 发光键盘
US20090091912A1 (en) * 2007-10-09 2009-04-09 Hsin-Chin Lee Light-guiding key structure with lateral light-guiding function
CN101488408B (zh) * 2008-01-14 2012-07-25 深圳富泰宏精密工业有限公司 电子装置的按键面板结构及其制造方法
CN101256911B (zh) * 2008-04-11 2012-06-06 精模电子科技（深圳）有限公司 具有导光板的发光键盘
US8651720B2 (en) 2008-07-10 2014-02-18 3M Innovative Properties Company Retroreflective articles and devices having viscoelastic lightguide
WO2010005655A2 (en) 2008-07-10 2010-01-14 3M Innovative Properties Company Viscoelastic lightguide
KR101578251B1 (ko) 2008-07-10 2015-12-16 쓰리엠 이노베이티브 프로퍼티즈 컴파니 점탄성 도광체를 갖는 재귀반사성 용품 및 장치
EP3026471A1 (en) 2008-08-08 2016-06-01 3M Innovative Properties Company Lightguide having a viscoelastic layer for managing light
US8142036B2 (en) * 2009-03-12 2012-03-27 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Keypad device with light source and reflector
US8317384B2 (en) * 2009-04-10 2012-11-27 Intellectual Discovery Co., Ltd. Light guide film with cut lines, and optical keypad using such film
US8502098B1 (en) * 2009-06-23 2013-08-06 American Trim, Llc Appliance control panel
WO2011100277A1 (en) 2010-02-10 2011-08-18 3M Innovative Properties Company Illumination device having viscoelastic layer
TWM388085U (en) * 2010-03-15 2010-09-01 Ichia Tech Inc Keyboard structure with backlighting
US8308336B2 (en) * 2010-08-19 2012-11-13 Intellectual Discovery Co., Ltd. Multi-segmented light guide for keypad and display apparatus
US9082313B1 (en) 2014-07-21 2015-07-14 McCarthy Music Corp. Interactive piano training system
US8901405B1 (en) 2013-08-22 2014-12-02 McCarthy Music Corp. Electronic piano training device
US9070312B2 (en) 2013-11-05 2015-06-30 3M Innovative Properties Company Hybrid self illuminated and actively back lit signage for printed graphics
US9746168B1 (en) 2015-10-30 2017-08-29 American Opto Plus Led Corporation Light-emitting touch buttons
US12395172B2 (en) * 2023-06-14 2025-08-19 Darfon Electronics Corp. Touch input device

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US5905826A (en) * 1996-01-24 1999-05-18 Minnesota Mining And Manufacturing Co. Conspicuity marking system including light guide and retroreflective structure
JP3151830B2 (ja) 1996-10-25 2001-04-03 オムロン株式会社 面光源装置ならびに面光源装置を用いた液晶表示装置，携帯電話機および情報端末機
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KR100606081B1 (ko) 2005-05-19 2006-07-28 삼성전자주식회사 도광판, 키 패드 및 키 패드 어셈블리
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TWI285721B (en) * 2005-12-02 2007-08-21 Hon Hai Prec Ind Co Ltd Light guide plate and method for manufacturing the light guide plate

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9464769B2 (en) 2009-09-11 2016-10-11 Dolby Laboratories Licensing Corporation Techniques for using quantum dots to regenerate light in display systems
US9644804B2 (en) 2010-12-17 2017-05-09 Dolby Laboratories Licensing Corporation Quantum dot modulation for displays
US8773453B2 (en) 2010-12-17 2014-07-08 Dolby Laboratories Licensing Corporation Techniques for quantum dot illumination
CN102565918A (zh) * 2010-12-17 2012-07-11 杜比实验室特许公司 量子点照明技术
CN102565918B (zh) * 2010-12-17 2015-04-22 杜比实验室特许公司 量子点照明技术
CN102737879B (zh) * 2011-03-30 2015-02-11 阿尔卑斯电气株式会社 导光片、使用它的带触点弹簧的片以及使用它的开关装置
CN102737879A (zh) * 2011-03-30 2012-10-17 阿尔卑斯电气株式会社 导光片、使用它的带触点弹簧的片以及使用它的开关装置
US10262603B2 (en) 2014-03-26 2019-04-16 Dolby Laboratories Licensing Corporation Global light compensation in a variety of displays
US11195483B2 (en) 2014-03-26 2021-12-07 Dolby Laboratories Licensing Corporation Global light compensation in a variety of displays
US9810944B2 (en) 2014-08-21 2017-11-07 Dolby Laboratories Licensing Corporation Techniques for dual modulation with light conversion
US10133120B2 (en) 2014-08-21 2018-11-20 Dolby Laboratories Licensing Corporation Techniques for dual modulation with light conversion
US10295863B2 (en) 2014-08-21 2019-05-21 Dolby Laboratories Licensing Corporation Techniques for dual modulation with light conversion
US10534222B2 (en) 2014-08-21 2020-01-14 Dolby Laboratories Licensing Corporation Techniques for dual modulation with light conversion

Also Published As

Publication number Publication date
JP2010503155A (ja) 2010-01-28
US20080053800A1 (en) 2008-03-06
KR20090074723A (ko) 2009-07-07
EP2057651A4 (en) 2012-09-05
EP2057651A1 (en) 2009-05-13
TW200819675A (en) 2008-05-01
WO2008027716A1 (en) 2008-03-06
US7498534B2 (en) 2009-03-03

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PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20090819