DE69009901D1 - Lichtleiter. - Google Patents

Lichtleiter.

Info

Publication number
DE69009901D1
DE69009901D1 DE69009901T DE69009901T DE69009901D1 DE 69009901 D1 DE69009901 D1 DE 69009901D1 DE 69009901 T DE69009901 T DE 69009901T DE 69009901 T DE69009901 T DE 69009901T DE 69009901 D1 DE69009901 D1 DE 69009901D1
Authority
DE
Germany
Prior art keywords
light guide
guide
light
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
DE69009901T
Other languages
English (en)
Other versions
DE69009901T2 (de
Inventor
Ian Kenneth Pasco
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.)
Nokia Mobile Phones UK Ltd
Original Assignee
Nokia Mobile Phones UK 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 Nokia Mobile Phones UK Ltd filed Critical Nokia Mobile Phones UK Ltd
Publication of DE69009901D1 publication Critical patent/DE69009901D1/de
Application granted granted Critical
Publication of DE69009901T2 publication Critical patent/DE69009901T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/003—Lens or lenticular sheet or layer
    • 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
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/305—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being the ends of optical fibres
    • 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
    • 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
    • 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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0095—Light guides as housings, housing portions, shelves, doors, tiles, windows, or the like
    • 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
    • H01H2219/062—Light conductor
    • H01H2219/0622—Light conductor only an illuminated ring around keys

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)
  • Input From Keyboards Or The Like (AREA)
DE69009901T 1989-08-24 1990-07-12 Lichtleiter. Expired - Fee Related DE69009901T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8919214A GB2235295B (en) 1989-08-24 1989-08-24 Light guide

Publications (2)

Publication Number Publication Date
DE69009901D1 true DE69009901D1 (de) 1994-07-21
DE69009901T2 DE69009901T2 (de) 1995-01-19

Family

ID=10662037

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69009901T Expired - Fee Related DE69009901T2 (de) 1989-08-24 1990-07-12 Lichtleiter.

Country Status (4)

Country Link
US (1) US5053928A (de)
EP (1) EP0414366B1 (de)
DE (1) DE69009901T2 (de)
GB (1) GB2235295B (de)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5153590A (en) * 1991-02-04 1992-10-06 Motorola, Inc. Keypad apparatus
GB2262806B (en) * 1991-12-24 1994-09-28 Delco Electronic Overseas Corp Apparatus for illuminating an instrument display
FI95177C (fi) * 1994-01-10 1995-12-27 Nokia Mobile Phones Ltd Elektronisen laitteen valaistulla valintanäppäimistöllä varustettu etupaneeli
DE9406370U1 (de) * 1994-04-16 1994-06-09 Mannesmann Kienzle Gmbh, 78052 Villingen-Schwenningen Anordnung zur Beleuchtung der Steuertasten eines Taxameters
GB2322009B (en) * 1994-09-30 1998-09-23 Tokheim Corp Improvements in or relating to illuminated switch assemblies
US5521345A (en) * 1994-09-30 1996-05-28 Tokheim Corporation Backlit membrane keypad
US5895115A (en) * 1996-01-16 1999-04-20 Lumitex, Inc. Light emitting panel assemblies for use in automotive applications and the like
US5746493A (en) * 1996-03-08 1998-05-05 Ericsson Inc. Light guide for a display or keyboard
US5711588A (en) * 1996-09-30 1998-01-27 Ericsson, Inc. Backlit keypad assembly
DE19716064B4 (de) * 1997-04-17 2008-09-25 Grundig Multimedia B.V. Bedieneinrichtung mit beleuchtetem Tastenfeld
US6402334B1 (en) * 1999-02-18 2002-06-11 Garmin Corporation Light pipe with quadraspherical depressions for display panels
US20090201179A1 (en) * 1999-09-15 2009-08-13 Michael Shipman Illuminated keyboard
US6422712B1 (en) * 1999-09-27 2002-07-23 Jaako Nousiainen User-interface illuminator
GB2355569A (en) 1999-10-19 2001-04-25 Nokia Mobile Phones Ltd Light Guide
GB9929673D0 (en) * 1999-12-15 2000-02-09 Nokia Mobile Phones Ltd Handset
US6429853B1 (en) * 2000-03-20 2002-08-06 Shin Jiuh Corp. Illumination structure for keyboards
JP2002093270A (ja) * 2000-09-19 2002-03-29 Nec Corp 照光部構造
US6428174B1 (en) * 2001-04-27 2002-08-06 Delphi Technologies, Inc. Vacuum fluorescent display panel with integral illumination of panel indicia
JP3782731B2 (ja) 2001-12-27 2006-06-07 矢崎総業株式会社 表示器
US6692132B1 (en) * 2002-02-21 2004-02-17 Calix Networks, Inc. Faceplate with integrated light-pipe
DE10218442B3 (de) * 2002-04-25 2004-01-29 Preh-Werke Gmbh & Co. Kg Tastatur, insbesondere für Datenkassen
US7009121B2 (en) 2002-04-25 2006-03-07 Preh-Werke Gmbh & Co. Kg Keyboard, especially for electronic payment terminals, and keypad
DE10261977B8 (de) * 2002-04-25 2004-11-18 Preh Gmbh Tastenfeld, insbesondere für Datenkassen
US20030227766A1 (en) * 2002-06-11 2003-12-11 Hom Wayne C. Keypad lighting system for a security system communication unit
TWM240655U (en) * 2003-03-07 2004-08-11 Micro Star Int Co Ltd Panel structure
US20050002170A1 (en) * 2003-07-01 2005-01-06 Jacobs Neal Kenneth Electronic device remote control keypad back lighting light pipe
WO2005093770A1 (ja) * 2004-03-25 2005-10-06 Shin-Etsu Polymer Co., Ltd. 押釦スイッチ用カバー部材とその製造方法
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
US7908080B2 (en) 2004-12-31 2011-03-15 Google Inc. Transportation routing
JP2006252794A (ja) * 2005-03-08 2006-09-21 Sumitomo Wiring Syst Ltd 導光体及びこれを備えた照明装置
DE102005019066B3 (de) * 2005-04-23 2006-06-22 Preh Gmbh CD-Schacht Abdeckung
CN100518207C (zh) 2005-08-05 2009-07-22 鸿富锦精密工业（深圳）有限公司 按键导光板
US8690368B1 (en) 2005-08-22 2014-04-08 Michael Shipman Cavity filled lightpipe for illuminating keys of a keyboard
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
CN2886938Y (zh) * 2006-03-08 2007-04-04 鸿富锦精密工业（深圳）有限公司 导光板及使用该导光板的电子产品
CN2886939Y (zh) * 2006-03-08 2007-04-04 鸿富锦精密工业（深圳）有限公司 导光板及使用该导光板的电子产品
TWM302069U (en) * 2006-05-19 2006-12-01 Darfon Electronics Corp Luminous keyboard and light module thereof
US20080007964A1 (en) * 2006-07-05 2008-01-10 Tai-Yen Lin Light guiding structure
CN101162657B (zh) * 2006-10-13 2012-02-01 鸿富锦精密工业（深圳）有限公司 按键导光板及其制备方法
US7423229B2 (en) * 2006-11-17 2008-09-09 Ichia Technologies, Inc. Light guiding plate and a keystroke module for use therewith
US7455416B2 (en) * 2006-11-17 2008-11-25 Ichia Technologies, Inc. Light guide structure and keypad having the same
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
US8389883B2 (en) 2007-12-27 2013-03-05 Byd Co., Ltd. Key-press structure and a method for making the same
CN101471192B (zh) 2007-12-27 2011-04-06 比亚迪股份有限公司 一种按键结构及其制作方法
TWM335731U (en) * 2008-01-09 2008-07-01 Ichia Tech Inc Lateral lighting keypress module and using keypress panel thereof
BRPI0822898B1 (pt) * 2008-11-11 2019-07-16 Hewlett-Packard Development Company, L.P. Dispositivo de interface de usuário, método para iluminar o dispositivo de interface de usuário e dispositivo de interface
CN201311498Y (zh) * 2008-11-27 2009-09-16 比亚迪股份有限公司 一种导光板及导光按键板
US8317384B2 (en) * 2009-04-10 2012-11-27 Intellectual Discovery Co., Ltd. Light guide film with cut lines, and optical keypad using such film
EP2339602B1 (de) * 2009-11-06 2013-05-22 RAFI GmbH & Co. KG Schaltvorrichtung mit Reflektor
CN102375548A (zh) * 2010-08-18 2012-03-14 深圳富泰宏精密工业有限公司 键盘模组
CN102385095A (zh) * 2010-09-02 2012-03-21 (株)利澳电子 形成有槽的键盘用导光板
US8678624B2 (en) 2010-10-01 2014-03-25 The Nielsen Company (Us), Llc Apparatus and methods for illuminating display panels of electronic devices
EP2535914B1 (de) * 2011-06-13 2017-09-06 BlackBerry Limited Tastenbeleuchtungsanordnung
USD731475S1 (en) * 2013-11-01 2015-06-09 Hewlett-Packard Development Company, L.P. Computer

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB777861A (en) * 1954-11-08 1957-06-26 British Thomson Houston Co Ltd Improvements in and relating to dial illumination
US3774021A (en) * 1972-05-25 1973-11-20 Bell Telephone Labor Inc Light emitting device
US3892959A (en) * 1973-11-02 1975-07-01 Gte Automatic Electric Lab Inc Edge-lighted panel arrangement
US4124879A (en) * 1977-05-20 1978-11-07 Motorola, Inc. Illumination apparatus for use in an illuminatable pushbutton keyset and the like
US4321587A (en) * 1979-11-20 1982-03-23 Sanyo Electric Co., Ltd. Display unit with a removable indicator panel
DE3066371D1 (en) * 1979-11-27 1984-03-08 Combined Optical Ind Ltd Laminar light guide and an instrument display means comprising such a light guide
US4349705A (en) * 1981-05-06 1982-09-14 Northern Telecom Limited Lighted telephone dial
JPS6089228A (ja) * 1983-10-19 1985-05-20 Matsushita Electric Ind Co Ltd キ−ボ−ド
JPS60252388A (ja) * 1984-05-29 1985-12-13 株式会社東芝 表示装置
GB8600966D0 (en) * 1986-01-16 1986-02-19 Lucas Ind Plc Instrument assembly
JPH01174820U (de) * 1988-05-30 1989-12-12

Also Published As

Publication number Publication date
US5053928A (en) 1991-10-01
DE69009901T2 (de) 1995-01-19
EP0414366B1 (de) 1994-06-15
GB2235295B (en) 1993-09-08
EP0414366A2 (de) 1991-02-27
GB2235295A (en) 1991-02-27
GB8919214D0 (en) 1989-10-04
EP0414366A3 (en) 1992-02-26

Similar Documents

Publication Publication Date Title
DE69009901D1 (de) Lichtleiter.
DE3853175D1 (de) Zusammenlegbare Lichtleitung.
FI891846A (fi) Optisk avbrytare.
DE69020703D1 (de) Optoelektronische Vorrichtungen.
DE69020189D1 (de) Optisches Bauelement.
FI912295A0 (fi) Optisk hastighetsbestaemning.
DE59101652D1 (de) Operationsleuchte.
DE68922472D1 (de) Optisches Gerät.
DE69020625D1 (de) Optisches System.
DE68904936D1 (de) Leitplankenanordnung.
NO895279L (no) Optisk fiber.
DE69012741D1 (de) Linearführung.
NO870672D0 (no) Lysleder.
DE69008220D1 (de) Lichtleiter-Beschichtungssteuerung.
FI903226A0 (fi) Ytbelagd optisk fiber.
DE69018234D1 (de) Optischer ablenker.
DE69020184D1 (de) Optisches Lesegerät.
DE69014763D1 (de) Lichtquellen.
DE59006945D1 (de) Messlupenanordnung.
DE69019891D1 (de) Optischer Transformator.
DE69017497D1 (de) Lichtabschirmblatt.
DE68904425D1 (de) Fiberfuehrung.
DE59002282D1 (de) Fadenfuehrer.
MA21604A1 (fr) Plateau - guide de plaquettes .
DE59009554D1 (de) Optoelektronische Einrichtung.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee