JP2010503155A - キーパッドライトガイド - Google Patents

キーパッドライトガイド Download PDF

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Publication number
JP2010503155A
JP2010503155A JP2009526796A JP2009526796A JP2010503155A JP 2010503155 A JP2010503155 A JP 2010503155A JP 2009526796 A JP2009526796 A JP 2009526796A JP 2009526796 A JP2009526796 A JP 2009526796A JP 2010503155 A JP2010503155 A JP 2010503155A
Authority
JP
Japan
Prior art keywords
light
film
microstructured
light source
regions
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
JP2009526796A
Other languages
English (en)
Japanese (ja)
Other versions
JP2010503155A5 (enExample
Inventor
ディー． ホイル，チャールズ
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 JP2010503155A publication Critical patent/JP2010503155A/ja
Publication of JP2010503155A5 publication Critical patent/JP2010503155A5/ja
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)
JP2009526796A 2006-08-30 2007-08-13 キーパッドライトガイド Pending JP2010503155A (ja)

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
PCT/US2007/075803 WO2008027716A1 (en) 2006-08-30 2007-08-13 Keypad light guide

Publications (2)

Publication Number Publication Date
JP2010503155A true JP2010503155A (ja) 2010-01-28
JP2010503155A5 JP2010503155A5 (enExample) 2010-09-30

Family

ID=39136261

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009526796A Pending JP2010503155A (ja) 2006-08-30 2007-08-13 キーパッドライトガイド

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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009259212A (ja) * 2008-04-11 2009-11-05 Jing Mold Electronics Technology (Shen Zhen) Co Ltd 光導波板を有する発光キーボード

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
US8684546B2 (en) 2010-12-17 2014-04-01 Dolby Laboratories Licensing Corporation Quantum dot modulation for displays
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
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
CN106133589B (zh) 2014-03-26 2020-03-06 杜比实验室特许公司 各种显示器中的全局光补偿
US9810944B2 (en) 2014-08-21 2017-11-07 Dolby Laboratories Licensing Corporation Techniques for dual modulation with light conversion
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

Citations (1)

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Publication number Priority date Publication date Assignee Title
WO2005107363A2 (en) * 2004-04-30 2005-11-17 Oy Modilis Ltd. Ultrathin lighting element

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US5128842A (en) * 1991-06-03 1992-07-07 Sunarrow Co., Inc. Uniform illumination plate
US5491313A (en) 1994-07-22 1996-02-13 General Motors Corporation Halo lighting for keypad switch assemblies
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US5975711A (en) 1995-06-27 1999-11-02 Lumitex, Inc. Integrated display panel assemblies
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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
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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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005107363A2 (en) * 2004-04-30 2005-11-17 Oy Modilis Ltd. Ultrathin lighting element

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009259212A (ja) * 2008-04-11 2009-11-05 Jing Mold Electronics Technology (Shen Zhen) Co Ltd 光導波板を有する発光キーボード

Also Published As

Publication number Publication date
CN101512697A (zh) 2009-08-19
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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