ID16466A - Pemandu cahaya untuk suatu tampilan atau keyboard - Google Patents

Pemandu cahaya untuk suatu tampilan atau keyboard

Info

Publication number
ID16466A
ID16466A IDP970688A ID970688A ID16466A ID 16466 A ID16466 A ID 16466A ID P970688 A IDP970688 A ID P970688A ID 970688 A ID970688 A ID 970688A ID 16466 A ID16466 A ID 16466A
Authority
ID
Indonesia
Prior art keywords
look
keyboard
light guide
guide
light
Prior art date
Application number
IDP970688A
Other languages
English (en)
Indonesian (id)
Inventor
Anders Jonsson
Mats Wictor
Original Assignee
Ericsson Inc
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 Ericsson Inc filed Critical Ericsson Inc
Publication of ID16466A publication Critical patent/ID16466A/id

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
    • G02B6/0013—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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/18—Edge-illuminated signs
    • 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
    • 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
    • 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
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • 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
    • H01H2219/062—Light conductor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Push-Button Switches (AREA)
  • Planar Illumination Modules (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
IDP970688A 1996-03-08 1997-03-05 Pemandu cahaya untuk suatu tampilan atau keyboard ID16466A (id)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/610,602 US5746493A (en) 1996-03-08 1996-03-08 Light guide for a display or keyboard

Publications (1)

Publication Number Publication Date
ID16466A true ID16466A (id) 1997-10-02

Family

ID=24445691

Family Applications (1)

Application Number Title Priority Date Filing Date
IDP970688A ID16466A (id) 1996-03-08 1997-03-05 Pemandu cahaya untuk suatu tampilan atau keyboard

Country Status (10)

Country Link
US (1) US5746493A (et)
EP (1) EP0885438B1 (et)
CN (1) CN1146844C (et)
AR (1) AR008367A1 (et)
AU (1) AU2075397A (et)
BR (1) BR9707950A (et)
EE (1) EE03840B1 (et)
ES (1) ES2163134T3 (et)
ID (1) ID16466A (et)
WO (1) WO1997033268A1 (et)

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US6545654B2 (en) 1996-10-31 2003-04-08 Kopin Corporation Microdisplay for portable communication systems
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US6006118A (en) * 1997-12-05 1999-12-21 Ericsson Inc. Keypad lightguides including compartments
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JP4159059B2 (ja) * 1998-06-05 2008-10-01 シチズン電子株式会社 面状光源ユニット
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US20090201179A1 (en) * 1999-09-15 2009-08-13 Michael Shipman Illuminated keyboard
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US6435418B1 (en) 2000-01-25 2002-08-20 Emerson Electric Co. Thermostat having an illuminated keypad and display
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US7511701B2 (en) * 2000-12-29 2009-03-31 Vertu Limited Casing having light guide with legends
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JP2002217457A (ja) * 2001-01-12 2002-08-02 Nec Corp 携帯電話機、それに備えられた拡散体及び照明装置
US6561659B1 (en) * 2001-11-15 2003-05-13 Wintek Corporation Photoconductor panel for lighting a keyboard
US6874926B2 (en) * 2001-11-26 2005-04-05 Nokia Corporation Illumination system for an electronic device
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US20040012730A1 (en) * 2002-07-17 2004-01-22 Long-Jyh Pan Electrically shielding light guide for a liquid crystal display
US20050002170A1 (en) * 2003-07-01 2005-01-06 Jacobs Neal Kenneth Electronic device remote control keypad back lighting light pipe
US20050073826A1 (en) * 2003-10-06 2005-04-07 Kuo Heng Sheng Light guide plate with multiple visible regions
US20050073824A1 (en) * 2003-10-06 2005-04-07 Kuo Heng Sheng Thin lighting panel with multiple visible regions
CN1322390C (zh) * 2004-04-01 2007-06-20 华硕电脑股份有限公司 按键装置
TWI259313B (en) * 2004-10-19 2006-08-01 Ind Tech Res Inst Light-guide plate and method for manufacturing thereof
CN2745289Y (zh) * 2004-11-04 2005-12-07 深圳富泰宏精密工业有限公司 手机按键导光板
CN100376969C (zh) * 2005-06-03 2008-03-26 鸿富锦精密工业（深圳）有限公司 导光元件及采用该导光元件的背光模组
KR100658951B1 (ko) * 2005-07-12 2006-12-19 주식회사 엘에스텍 유연성을 가지는 입력장치 키 후면조광용 백라이트 장치
CN1932556A (zh) * 2005-09-16 2007-03-21 鸿富锦精密工业（深圳）有限公司 导光板及使用所述导光板的电子产品
KR100735410B1 (ko) * 2005-11-17 2007-07-04 삼성전기주식회사 입사광을 균일하게 분포시키기 위한 도광판을 구비한 led 조명장치
US7629547B2 (en) * 2006-04-24 2009-12-08 Nokia Corporation Illuminating of an electrical device
KR100676482B1 (ko) * 2006-06-10 2007-02-02 주식회사 케이비에프 도광판을 이용한 휴대폰 키패드 발광조립체
US7825899B2 (en) * 2006-07-18 2010-11-02 Research In Motion Limited Piano-style keypad employing a light guide
JP4668867B2 (ja) * 2006-08-09 2011-04-13 株式会社東海理化電機製作所 操作装置
JP2008071630A (ja) * 2006-09-14 2008-03-27 Tokai Rika Co Ltd 操作装置
TWM325684U (en) * 2006-10-27 2008-01-11 Lite On Technology Corp Light-guide plate for pushbutton
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
US7423229B2 (en) * 2006-11-17 2008-09-09 Ichia Technologies, Inc. Light guiding plate and a keystroke module for use therewith
US20080117635A1 (en) * 2006-11-17 2008-05-22 Ko-Ju Chen Multi-Layer Light Guiding Structure And Method For Using The Same
US7455416B2 (en) * 2006-11-17 2008-11-25 Ichia Technologies, Inc. Light guide structure and keypad having the same
KR20080083975A (ko) * 2007-03-14 2008-09-19 삼성전자주식회사 도파 부재와 그를 이용한 키 패드 어셈블리
WO2009111494A1 (en) * 2008-03-03 2009-09-11 Abl Ip Holding, Llc Optical system and method for managing brightness contrasts between high brightness light sources and surrounding surfaces
US10578789B2 (en) 2008-03-03 2020-03-03 Abl Ip Holding, Llc Optical system and method for managing brightness contrasts between high brightness light sources and surrounding surfaces
DE102008053357B4 (de) * 2008-10-27 2010-08-05 Gigaset Communications Gmbh Elektrotechnisches Gerät mit einer Beleuchtungsanordnung zum Beleuchten einer Tastaturmatte und eines Display-Moduls
GB2477669B (en) * 2008-11-11 2013-01-09 Hewlett Packard Development Co Keyboard illumination apparatus and method
US8297829B2 (en) * 2009-01-13 2012-10-30 Sony Ericsson Mobile Communications Ab Mobile device with illumination
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
US8158900B2 (en) * 2009-05-06 2012-04-17 Nokia Corporation Apparatus and method concerning modular keypad assembly
TWM373518U (en) * 2009-06-25 2010-02-01 Wistron Corp Light guide plate and membrane keyboard having the light guide plate
US20110219648A1 (en) * 2010-03-12 2011-09-15 Trevor James Led edge-lit signage utilizing digital print technology
US8556490B1 (en) * 2010-07-01 2013-10-15 Cooper Technologies Company Systems, methods and devices for providing quantum dot lighting solutions
CN102338348A (zh) * 2010-07-21 2012-02-01 深圳富泰宏精密工业有限公司 导光组件
US20120314446A1 (en) * 2011-06-09 2012-12-13 Jeon Bae Kyung Backlight pad for keypad assembly
US9223352B2 (en) * 2012-06-08 2015-12-29 Apple Inc. Electronic device with electromagnetic shielding
US9115865B1 (en) * 2012-06-19 2015-08-25 Forever Gifts, Inc. Lighting device having light-distributing void
RU2642126C2 (ru) * 2012-12-18 2018-01-24 Филипс Лайтинг Холдинг Б.В. Изделие со светящейся поверхностью, обеспечиваемой светодиодом
EP3008553B1 (en) 2013-06-12 2023-06-07 Rohinni, Inc. Keyboard backlighting with deposited light-generating sources
US10629393B2 (en) 2016-01-15 2020-04-21 Rohinni, LLC Apparatus and method of backlighting through a cover on the apparatus

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Also Published As

Publication number Publication date
EP0885438B1 (en) 2001-11-07
US5746493A (en) 1998-05-05
HK1020633A1 (en) 2000-05-12
AU2075397A (en) 1997-09-22
BR9707950A (pt) 1999-07-27
CN1217079A (zh) 1999-05-19
EP0885438A2 (en) 1998-12-23
WO1997033268A1 (en) 1997-09-12
CN1146844C (zh) 2004-04-21
EE9800280A (et) 1999-02-15
AR008367A1 (es) 2000-01-19
ES2163134T3 (es) 2002-01-16
EE03840B1 (et) 2002-08-15

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