DE69325681D1 - Beleuchtete Flüssigkristall-Anzeigevorrichtung - Google Patents

Beleuchtete Flüssigkristall-Anzeigevorrichtung

Info

Publication number
DE69325681D1
DE69325681D1 DE69325681T DE69325681T DE69325681D1 DE 69325681 D1 DE69325681 D1 DE 69325681D1 DE 69325681 T DE69325681 T DE 69325681T DE 69325681 T DE69325681 T DE 69325681T DE 69325681 D1 DE69325681 D1 DE 69325681D1
Authority
DE
Germany
Prior art keywords
liquid crystal
display device
crystal display
illuminated liquid
illuminated
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 - Lifetime
Application number
DE69325681T
Other languages
English (en)
Other versions
DE69325681T2 (de
Inventor
Guy Hooker
Dave Smith
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 Oyj
Original Assignee
Nokia Mobile Phones 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 Ltd filed Critical Nokia Mobile Phones Ltd
Publication of DE69325681D1 publication Critical patent/DE69325681D1/de
Application granted granted Critical
Publication of DE69325681T2 publication Critical patent/DE69325681T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02B6/0033—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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
    • 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
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
DE69325681T 1992-05-22 1993-05-18 Beleuchtete Flüssigkristall-Anzeigevorrichtung Expired - Lifetime DE69325681T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9211006A GB2267378B (en) 1992-05-22 1992-05-22 Illuminated LCD apparatus

Publications (2)

Publication Number Publication Date
DE69325681D1 true DE69325681D1 (de) 1999-08-26
DE69325681T2 DE69325681T2 (de) 2000-02-24

Family

ID=10715939

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69325681T Expired - Lifetime DE69325681T2 (de) 1992-05-22 1993-05-18 Beleuchtete Flüssigkristall-Anzeigevorrichtung

Country Status (5)

Country Link
US (1) US5477422A (de)
EP (1) EP0571173B1 (de)
JP (1) JP3305411B2 (de)
DE (1) DE69325681T2 (de)
GB (1) GB2267378B (de)

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* Cited by examiner, † Cited by third party
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AU686481B2 (en) * 1994-12-16 1998-02-05 Canon Kabushiki Kaisha Illumination device and liquid crystal display apparatus including same
US5796450A (en) * 1994-12-16 1998-08-18 Canon Kabushiki Kaisha Illumination device and liquid crystal display apparatus including same
GB2296362B (en) * 1994-12-23 1999-03-03 Nokia Mobile Phones Ltd Illuminated LCD apparatus and method of manufacture
US7108414B2 (en) 1995-06-27 2006-09-19 Solid State Opto Limited Light emitting panel assemblies
FR2737162B1 (fr) * 1995-07-27 1997-10-17 Magneti Marelli France Dispositif d'affichage, notamment pour tableaux de bord
EP0781959A1 (de) * 1995-12-28 1997-07-02 AT&T Corp. Transparente Anzeige mit einer Beleuchtungsvorrichtung die einen rückseitigen Mikrotextur-Diffusor aufweist, und Herstellungsverfahren derselben
US5870156A (en) * 1996-09-05 1999-02-09 Northern Telecom Limited Shadow mask for backlit LCD
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SG67385A1 (en) * 1997-04-14 2001-07-24 Hewlett Packard Co A method and device for conducting and substantially evenly dispersing light from a light source
FR2776811B1 (fr) * 1998-03-25 2001-12-14 Christophe Blanc Dispositif lumineux eclaire par la tranche
KR100512091B1 (ko) 1998-09-24 2005-11-16 삼성전자주식회사 액정표시장치 모듈과 이에 적용되는 홀딩 어셈블리
US6752505B2 (en) * 1999-02-23 2004-06-22 Solid State Opto Limited Light redirecting films and film systems
JP2001043720A (ja) * 1999-07-28 2001-02-16 Sanyo Electric Co Ltd 面光源装置及び表示装置
FR2802009B1 (fr) * 1999-12-07 2003-06-20 Thomson Csf Sextant Dispositif d'eclairage d'un ecran a cristaux liquides
FR2802308B1 (fr) 1999-12-09 2002-03-08 Gc Comm Procede et dispositif d'usinage par laser de guides de lumiere, guides de lumiere obtenus et ecrans retro-elaires incorporant ces guides
DE10001253A1 (de) * 2000-01-14 2001-07-19 Bosch Gmbh Robert Vorrichtung zur Informationsein- und/oder ausgabe
DE10011516A1 (de) * 2000-03-09 2001-09-20 Siteco Beleuchtungstech Gmbh Leuchtensystem
DE10011160B4 (de) * 2000-03-12 2012-03-08 Insta Elektro Gmbh Beleuchtbare elektronische Bedieneinheit für die Gebäudesystemtechnik
JP4623336B2 (ja) * 2000-05-02 2011-02-02 ソニー株式会社 表示装置及び減光パターン生成方法
JP2002042529A (ja) * 2000-07-24 2002-02-08 Sanyo Electric Co Ltd 面照明装置
JP4711541B2 (ja) * 2001-05-18 2011-06-29 京セラ株式会社 照明パネル、液晶表示装置および携帯端末または表示機器
US6755534B2 (en) 2001-08-24 2004-06-29 Brookhaven Science Associates Prismatic optical display
KR20030029251A (ko) * 2001-10-05 2003-04-14 삼성전자주식회사 액정 표시 장치
KR20040005309A (ko) * 2002-07-09 2004-01-16 삼성전자주식회사 도광장치와 이를 갖는 백라이트 어셈블리 및 액정 표시 장치
FR2842340B1 (fr) * 2002-07-11 2005-03-04 Colas Sa Panneau lumineux a eclairage par la tranche
TWI225139B (en) * 2002-07-26 2004-12-11 Hannstar Display Corp Panel light source device and back light module for liquid crystal device
TW575722B (en) * 2002-09-02 2004-02-11 Hannstar Display Corp Planar light source device and liquid crystal display
US20040056989A1 (en) * 2002-09-24 2004-03-25 Betz Alexander C. Parameter floodlit LCD
US7264390B2 (en) * 2002-10-23 2007-09-04 Hannstar Display Corp. Polarized light source device and back light module for liquid crystal display
JP4161713B2 (ja) * 2002-12-27 2008-10-08 カシオ計算機株式会社 面状照明装置
DE10308523A1 (de) * 2003-02-26 2004-09-16 Ralph Zernisch Beleuchtungseinrichtung
TWI256502B (en) * 2003-03-28 2006-06-11 Hon Hai Prec Ind Co Ltd Backlight module and diffuser plate used therein
US6974229B2 (en) 2003-05-21 2005-12-13 Lumileds Lighting U.S., Llc Devices for creating brightness profiles
WO2005001331A1 (en) * 2003-06-27 2005-01-06 Philips Intellectual Property & Standards Gmbh Luminous body
TW200502640A (en) * 2003-07-02 2005-01-16 Au Optronics Corp Back light module
KR100995640B1 (ko) * 2003-07-07 2010-11-19 엘지디스플레이 주식회사 액정표시모듈
JP4771810B2 (ja) * 2004-01-08 2011-09-14 シャープ株式会社 表示装置用照明装置、液晶表示装置及び光源ランプ
GB2443111B (en) * 2004-01-08 2008-07-23 Sharp Kk Partial reflection reduction from a curved lamp in an illumination device for display devices.
EP1566686A1 (de) * 2004-02-20 2005-08-24 ETA SA Manufacture Horlogère Suisse Hintergrundbeleuchtungsvorrichtung für Anzeigeelement
JP4590977B2 (ja) * 2004-08-18 2010-12-01 ソニー株式会社 バックライト装置及び透過型液晶表示装置
US7113670B2 (en) 2004-09-15 2006-09-26 Research In Motion Limited Method and device to improve backlight uniformity
EP1645798B1 (de) * 2004-09-15 2012-03-28 Research In Motion Limited Verfahren und Vorrichtung zur Herstellung einer gleichmässigen Rückbeleuchtung
JP4383306B2 (ja) * 2004-10-05 2009-12-16 アルプス電気株式会社 照光装置
JP4172455B2 (ja) * 2004-10-08 2008-10-29 ソニー株式会社 バックライト用光源ユニット、液晶表示用バックライト装置及び透過型カラー液晶表示装置
EP1650730B1 (de) 2004-10-25 2009-12-30 Barco NV Optische Korrektur für Leuchtpaneele mit hoher Gleichmäßigkeit
JP4670315B2 (ja) * 2004-11-09 2011-04-13 ソニー株式会社 バックライト装置及び表示装置
US7515220B2 (en) * 2005-04-01 2009-04-07 Samsung Electronics Co., Ltd. Display device
FR2884593A1 (fr) * 2005-04-19 2006-10-20 Dit Guerlain Pierre Bouille Dispositif pour realiser une plaque lumineuse destinee au retro-eclairage de visuels translucides, ne comportant aucun cadre.
WO2007027521A1 (en) 2005-08-27 2007-03-08 3M Innovative Properties Company Illumination assembly and system
US7815355B2 (en) 2005-08-27 2010-10-19 3M Innovative Properties Company Direct-lit backlight having light recycling cavity with concave transflector
EP1984668A4 (de) * 2005-10-17 2013-03-13 I2Ic Corp Vorrichtung und verfahren zur bereitstellung einer lichtquelle in form einer oberfläche
EP1952374A1 (de) * 2005-11-14 2008-08-06 Koninklijke Philips Electronics N.V. Verteilung und ansteuerung von lichtquellen von rücklichtern
TWI339292B (en) * 2005-12-12 2011-03-21 Au Optronics Corp Backliht module and liquid crystal display
JP4245014B2 (ja) * 2006-08-09 2009-03-25 ソニー株式会社 バックライト装置、光源装置、レンズ、電子機器及び導光板
WO2008044170A2 (en) * 2006-10-10 2008-04-17 Koninklijke Philips Electronics N.V. Thin illumination device, display device and luminary device
JP4678364B2 (ja) 2006-12-05 2011-04-27 スタンレー電気株式会社 光源装置及び車両前照灯
KR101391891B1 (ko) 2007-06-22 2014-05-07 삼성디스플레이 주식회사 도광판, 이의 제조방법 및 이를 포함하는 액정 표시 장치
US20090067194A1 (en) * 2007-09-11 2009-03-12 World Properties, Inc. Light guide with imprinted phosphor
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FR2928993B1 (fr) * 2008-03-20 2014-01-10 Guillaume Boulais Module d'eclairage, en particulier de retro-eclairage
JP5339773B2 (ja) * 2008-05-08 2013-11-13 株式会社ジャパンディスプレイ 液晶表示装置
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TWI408461B (zh) * 2010-05-18 2013-09-11 Young Lighting Technology Corp 背光模組
US8454181B2 (en) * 2010-08-25 2013-06-04 Ford Global Technologies, Llc Light bar proximity switch
KR101692509B1 (ko) * 2010-11-02 2017-01-03 엘지이노텍 주식회사 디스플레이 장치
WO2012165248A1 (ja) * 2011-05-30 2012-12-06 シャープ株式会社 照明装置、表示装置、及びテレビ受信装置
US8928336B2 (en) 2011-06-09 2015-01-06 Ford Global Technologies, Llc Proximity switch having sensitivity control and method therefor
US8975903B2 (en) 2011-06-09 2015-03-10 Ford Global Technologies, Llc Proximity switch having learned sensitivity and method therefor
US10004286B2 (en) 2011-08-08 2018-06-26 Ford Global Technologies, Llc Glove having conductive ink and method of interacting with proximity sensor
US9143126B2 (en) 2011-09-22 2015-09-22 Ford Global Technologies, Llc Proximity switch having lockout control for controlling movable panel
US10112556B2 (en) 2011-11-03 2018-10-30 Ford Global Technologies, Llc Proximity switch having wrong touch adaptive learning and method
US8994228B2 (en) 2011-11-03 2015-03-31 Ford Global Technologies, Llc Proximity switch having wrong touch feedback
US8878438B2 (en) 2011-11-04 2014-11-04 Ford Global Technologies, Llc Lamp and proximity switch assembly and method
JP5522186B2 (ja) 2012-02-22 2014-06-18 株式会社デンソー 表示装置
US9287864B2 (en) 2012-04-11 2016-03-15 Ford Global Technologies, Llc Proximity switch assembly and calibration method therefor
US9065447B2 (en) 2012-04-11 2015-06-23 Ford Global Technologies, Llc Proximity switch assembly and method having adaptive time delay
US8933708B2 (en) 2012-04-11 2015-01-13 Ford Global Technologies, Llc Proximity switch assembly and activation method with exploration mode
US9944237B2 (en) 2012-04-11 2018-04-17 Ford Global Technologies, Llc Proximity switch assembly with signal drift rejection and method
US9568527B2 (en) 2012-04-11 2017-02-14 Ford Global Technologies, Llc Proximity switch assembly and activation method having virtual button mode
US9559688B2 (en) 2012-04-11 2017-01-31 Ford Global Technologies, Llc Proximity switch assembly having pliable surface and depression
US9531379B2 (en) 2012-04-11 2016-12-27 Ford Global Technologies, Llc Proximity switch assembly having groove between adjacent proximity sensors
US9184745B2 (en) 2012-04-11 2015-11-10 Ford Global Technologies, Llc Proximity switch assembly and method of sensing user input based on signal rate of change
US9660644B2 (en) 2012-04-11 2017-05-23 Ford Global Technologies, Llc Proximity switch assembly and activation method
US9520875B2 (en) 2012-04-11 2016-12-13 Ford Global Technologies, Llc Pliable proximity switch assembly and activation method
US9197206B2 (en) 2012-04-11 2015-11-24 Ford Global Technologies, Llc Proximity switch having differential contact surface
US9831870B2 (en) 2012-04-11 2017-11-28 Ford Global Technologies, Llc Proximity switch assembly and method of tuning same
US9219472B2 (en) 2012-04-11 2015-12-22 Ford Global Technologies, Llc Proximity switch assembly and activation method using rate monitoring
US9136840B2 (en) 2012-05-17 2015-09-15 Ford Global Technologies, Llc Proximity switch assembly having dynamic tuned threshold
US8981602B2 (en) 2012-05-29 2015-03-17 Ford Global Technologies, Llc Proximity switch assembly having non-switch contact and method
US9337832B2 (en) 2012-06-06 2016-05-10 Ford Global Technologies, Llc Proximity switch and method of adjusting sensitivity therefor
US9641172B2 (en) 2012-06-27 2017-05-02 Ford Global Technologies, Llc Proximity switch assembly having varying size electrode fingers
US8922340B2 (en) 2012-09-11 2014-12-30 Ford Global Technologies, Llc Proximity switch based door latch release
US8796575B2 (en) 2012-10-31 2014-08-05 Ford Global Technologies, Llc Proximity switch assembly having ground layer
US9311204B2 (en) 2013-03-13 2016-04-12 Ford Global Technologies, Llc Proximity interface development system having replicator and method
CN103175034A (zh) * 2013-03-26 2013-06-26 南京中电熊猫液晶显示科技有限公司 Led背光模组
DE102013008433B4 (de) * 2013-05-17 2020-12-03 Lisa Dräxlmaier GmbH Flächige Vorrichtung zur Beleuchtung der Innenausstattung eines Fahrzeugs
US10038443B2 (en) 2014-10-20 2018-07-31 Ford Global Technologies, Llc Directional proximity switch assembly
US9654103B2 (en) 2015-03-18 2017-05-16 Ford Global Technologies, Llc Proximity switch assembly having haptic feedback and method
US9548733B2 (en) 2015-05-20 2017-01-17 Ford Global Technologies, Llc Proximity sensor assembly having interleaved electrode configuration
CN105911746B (zh) * 2016-06-29 2017-10-13 京东方科技集团股份有限公司 显示装置及其视角切换方法
CN106997065A (zh) * 2017-05-18 2017-08-01 常州丰盛光电科技股份有限公司 光学增强型喷墨扩散板
US11454244B2 (en) 2019-04-24 2022-09-27 Hubbell Incorporated Edge-lit light kit for ceiling fans

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Also Published As

Publication number Publication date
EP0571173B1 (de) 1999-07-21
EP0571173A2 (de) 1993-11-24
GB9211006D0 (en) 1992-07-08
GB2267378B (en) 1996-07-10
JPH06102508A (ja) 1994-04-15
JP3305411B2 (ja) 2002-07-22
EP0571173A3 (en) 1994-03-30
GB2267378A (en) 1993-12-01
US5477422A (en) 1995-12-19
DE69325681T2 (de) 2000-02-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: BECKER, KURIG, STRAUS, 80336 MUENCHEN