EE03840B1 - Valgusjuht kuvari või klaviatuuri jaoks - Google Patents

Valgusjuht kuvari või klaviatuuri jaoks

Info

Publication number
EE03840B1
EE03840B1 EE9800280A EE9800280A EE03840B1 EE 03840 B1 EE03840 B1 EE 03840B1 EE 9800280 A EE9800280 A EE 9800280A EE 9800280 A EE9800280 A EE 9800280A EE 03840 B1 EE03840 B1 EE 03840B1
Authority
EE
Estonia
Prior art keywords
keyboard
display
light guide
guide
light
Prior art date
Application number
EE9800280A
Other languages
English (en)
Estonian (et)
Other versions
EE9800280A (et
Inventor
Jönsson Anders
Wictor Mats
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 EE9800280A publication Critical patent/EE9800280A/xx
Publication of EE03840B1 publication Critical patent/EE03840B1/xx

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)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Push-Button Switches (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Input From Keyboards Or The Like (AREA)
EE9800280A 1996-03-08 1997-03-06 Valgusjuht kuvari või klaviatuuri jaoks EE03840B1 (et)

Applications Claiming Priority (2)

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
PCT/US1997/003747 WO1997033268A1 (en) 1996-03-08 1997-03-06 Light guide for a display or keyboard

Publications (2)

Publication Number Publication Date
EE9800280A EE9800280A (et) 1999-02-15
EE03840B1 true EE03840B1 (et) 2002-08-15

Family

ID=24445691

Family Applications (1)

Application Number Title Priority Date Filing Date
EE9800280A EE03840B1 (et) 1996-03-08 1997-03-06 Valgusjuht kuvari või klaviatuuri jaoks

Country Status (11)

Country Link
US (1) US5746493A (id)
EP (1) EP0885438B1 (id)
CN (1) CN1146844C (id)
AR (1) AR008367A1 (id)
AU (1) AU2075397A (id)
BR (1) BR9707950A (id)
EE (1) EE03840B1 (id)
ES (1) ES2163134T3 (id)
HK (1) HK1020633A1 (id)
ID (1) ID16466A (id)
WO (1) WO1997033268A1 (id)

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US6677936B2 (en) 1996-10-31 2004-01-13 Kopin Corporation Color display system for a camera
US6559825B2 (en) 1996-10-31 2003-05-06 Kopin Corporation Display system for wireless pager
JPH10145476A (ja) * 1996-11-08 1998-05-29 Casio Comput Co Ltd 表示部及び操作部付き電子機器
GB9720907D0 (en) * 1997-10-03 1997-12-03 Menvier Electronic Eng Ltd Illuminated signs
US6006118A (en) * 1997-12-05 1999-12-21 Ericsson Inc. Keypad lightguides including compartments
JP3297846B2 (ja) * 1998-03-05 2002-07-02 ミネベア株式会社 透過型面状照明装置
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
GB2355569A (en) * 1999-10-19 2001-04-25 Nokia Mobile Phones Ltd Light Guide
US6435418B1 (en) 2000-01-25 2002-08-20 Emerson Electric Co. Thermostat having an illuminated keypad and display
US6429853B1 (en) * 2000-03-20 2002-08-06 Shin Jiuh Corp. Illumination structure for keyboards
US7522943B2 (en) * 2000-12-29 2009-04-21 Vertu Limited Casing
US7511701B2 (en) * 2000-12-29 2009-03-31 Vertu Limited Casing having light guide with legends
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
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US20050073826A1 (en) * 2003-10-06 2005-04-07 Kuo Heng Sheng Light guide plate with multiple visible regions
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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
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
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
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
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
US9212796B2 (en) * 2008-03-03 2015-12-15 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
US9563281B2 (en) * 2008-11-11 2017-02-07 Hewlett-Packard Development Company, L.P. 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
EP2936477B1 (en) * 2012-12-18 2017-08-30 Philips Lighting Holding B.V. Product having a luminous surface provided by a light guide
CN105683872B (zh) 2013-06-12 2020-05-12 罗茵尼公司 安置有光产生源的键盘背后照明
KR102298484B1 (ko) 2016-01-15 2021-09-03 로히니, 엘엘씨. 장치 상의 커버를 통해 후면 발광하는 장치 및 방법

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Also Published As

Publication number Publication date
ID16466A (id) 1997-10-02
EP0885438A2 (en) 1998-12-23
US5746493A (en) 1998-05-05
WO1997033268A1 (en) 1997-09-12
BR9707950A (pt) 1999-07-27
EP0885438B1 (en) 2001-11-07
CN1146844C (zh) 2004-04-21
HK1020633A1 (en) 2000-05-12
AU2075397A (en) 1997-09-22
CN1217079A (zh) 1999-05-19
EE9800280A (et) 1999-02-15
ES2163134T3 (es) 2002-01-16
AR008367A1 (es) 2000-01-19

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Legal Events

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KB4A Valid patent at the end of a year

Effective date: 20021231

KB4A Valid patent at the end of a year

Effective date: 20031231

KB4A Valid patent at the end of a year

Effective date: 20041231

KB4A Valid patent at the end of a year

Effective date: 20051231

KB4A Valid patent at the end of a year

Effective date: 20061231

KB4A Valid patent at the end of a year

Effective date: 20071231

KB4A Valid patent at the end of a year

Effective date: 20081231

KB4A Valid patent at the end of a year

Effective date: 20091231

MM4A Lapsed by not paying the annual fees

Effective date: 20100306