DE602005004314D1 - Flache Lichtquelle - Google Patents

Flache Lichtquelle

Info

Publication number
DE602005004314D1
DE602005004314D1 DE602005004314T DE602005004314T DE602005004314D1 DE 602005004314 D1 DE602005004314 D1 DE 602005004314D1 DE 602005004314 T DE602005004314 T DE 602005004314T DE 602005004314 T DE602005004314 T DE 602005004314T DE 602005004314 D1 DE602005004314 D1 DE 602005004314D1
Authority
DE
Germany
Prior art keywords
light source
flat light
flat
source
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.)
Active
Application number
DE602005004314T
Other languages
English (en)
Other versions
DE602005004314T2 (de
Inventor
Daisaku Okuwaki
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.)
Citizen Electronics Co Ltd
Original Assignee
Citizen Electronics Co 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 Citizen Electronics Co Ltd filed Critical Citizen Electronics Co Ltd
Publication of DE602005004314D1 publication Critical patent/DE602005004314D1/de
Application granted granted Critical
Publication of DE602005004314T2 publication Critical patent/DE602005004314T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • G02B6/0051—Diffusing 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
    • 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
    • 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
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer

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)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Light Guides In General And Applications Therefor (AREA)
DE602005004314T 2004-02-16 2005-02-16 Flache Lichtquelle Active DE602005004314T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004039076A JP4386749B2 (ja) 2004-02-16 2004-02-16 面状光源
JP2004039076 2004-02-16

Publications (2)

Publication Number Publication Date
DE602005004314D1 true DE602005004314D1 (de) 2008-03-06
DE602005004314T2 DE602005004314T2 (de) 2008-05-21

Family

ID=34697969

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005004314T Active DE602005004314T2 (de) 2004-02-16 2005-02-16 Flache Lichtquelle

Country Status (7)

Country Link
US (2) US20050180145A1 (de)
EP (1) EP1564581B1 (de)
JP (1) JP4386749B2 (de)
KR (1) KR101099831B1 (de)
CN (1) CN100533225C (de)
DE (1) DE602005004314T2 (de)
TW (1) TWI372909B (de)

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TWI289708B (en) 2002-12-25 2007-11-11 Qualcomm Mems Technologies Inc Optical interference type color display
US7342705B2 (en) 2004-02-03 2008-03-11 Idc, Llc Spatial light modulator with integrated optical compensation structure
JP4600078B2 (ja) * 2005-02-18 2010-12-15 凸版印刷株式会社 照明装置および液晶表示装置
EP1910736A4 (de) 2005-07-28 2010-05-26 Light Prescriptions Innovators Bandbreitenbewahrende beleuchtungsoptik für rück- und vorderleuchten
EP1920285A4 (de) 2005-07-28 2010-11-03 Light Prescriptions Innovators Linsenförmige optische freiformelemente und ihre anwendung auf kondensatoren und scheinwerfer
WO2007036877A2 (en) * 2005-09-30 2007-04-05 Koninklijke Philips Electronics N.V. Back light unit
JP2008016408A (ja) * 2006-07-10 2008-01-24 Citizen Electronics Co Ltd 面状光源
EP2064487A4 (de) 2006-07-14 2010-09-01 Light Prescriptions Innovators Helligkeitsverstärkender film
WO2008022065A2 (en) 2006-08-11 2008-02-21 Light Prescriptions Innovators, Llc Led luminance-enhancement and color-mixing by rotationally multiplexed beam-combining
WO2008038754A1 (fr) * 2006-09-29 2008-04-03 Toray Industries, Inc. Source lumineuse en surface et dispositif d'affichage à cristaux liquides utilisant celle-ci
US8872085B2 (en) * 2006-10-06 2014-10-28 Qualcomm Mems Technologies, Inc. Display device having front illuminator with turning features
KR101628340B1 (ko) 2006-10-06 2016-06-08 퀄컴 엠이엠에스 테크놀로지스, 인크. 디스플레이 장치 및 디스플레이의 형성 방법
KR100837160B1 (ko) * 2006-10-25 2008-06-11 엘지전자 주식회사 플라즈마 디스플레이 장치
KR100883659B1 (ko) * 2006-12-27 2009-02-18 삼성전자주식회사 편광된 광을 제공하는 조명장치
US8068710B2 (en) * 2007-12-07 2011-11-29 Qualcomm Mems Technologies, Inc. Decoupled holographic film and diffuser
JP2010135146A (ja) * 2008-12-03 2010-06-17 Asahi Kasei Corp 照明器具
KR101047601B1 (ko) * 2009-08-26 2011-07-07 엘지이노텍 주식회사 백라이트 유닛 및 이를 이용한 디스플레이 장치
JP2011216279A (ja) * 2010-03-31 2011-10-27 Koito Mfg Co Ltd 車両用灯具
CN102376204A (zh) * 2010-08-12 2012-03-14 鸿富锦精密工业（深圳）有限公司 显示装置
US8902484B2 (en) 2010-12-15 2014-12-02 Qualcomm Mems Technologies, Inc. Holographic brightness enhancement film
DE102011000652A1 (de) 2011-02-11 2012-08-16 Vossloh-Schwabe Optoelectronic Gmbh & Co. Kg Reflektor für Beleuchtungszwecke
CN103370569B (zh) * 2011-02-15 2015-07-22 三菱电机株式会社 面光源装置和液晶显示装置
KR102057754B1 (ko) * 2013-03-14 2019-12-19 레야드 옵토일렉트로닉 컴퍼니 리미티드 Led 표시장치
US20150049511A1 (en) * 2013-03-15 2015-02-19 Cree, Inc. Waveguide Having Unidirectional Illuminance
EP3001094A4 (de) * 2013-05-10 2016-11-23 Kuraray Co Beleuchtungsvorrichtung
CN103486480B (zh) * 2013-09-29 2016-05-11 青岛海信电器股份有限公司 一种背光模组及显示装置
CN104298002A (zh) * 2014-10-10 2015-01-21 京东方光科技有限公司 一种背光模组及显示装置
CN104654132B (zh) * 2015-02-06 2017-05-31 安徽师范大学 一种限制液晶屏视角的背光模块
DE102016117685A1 (de) * 2016-09-20 2018-03-22 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für Fahrzeuge

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KR100317881B1 (ko) * 1999-12-21 2001-12-24 양근창 평판조명장치 및 그에 사용되는 홀로그램 도광판의 제조방법
US5982540A (en) * 1994-03-16 1999-11-09 Enplas Corporation Surface light source device with polarization function
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JP2002197910A (ja) * 2000-07-21 2002-07-12 Hayashi Telempu Co Ltd 面照明装置
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Also Published As

Publication number Publication date
US20050180145A1 (en) 2005-08-18
EP1564581A1 (de) 2005-08-17
JP4386749B2 (ja) 2009-12-16
CN1670593A (zh) 2005-09-21
KR101099831B1 (ko) 2011-12-28
CN100533225C (zh) 2009-08-26
KR20060042016A (ko) 2006-05-12
JP2005228717A (ja) 2005-08-25
US20080025048A1 (en) 2008-01-31
TW200537203A (en) 2005-11-16
TWI372909B (en) 2012-09-21
US7762706B2 (en) 2010-07-27
DE602005004314T2 (de) 2008-05-21
EP1564581B1 (de) 2008-01-16

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Legal Events

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