BRPI0920675A2 - dispositivo de iluminação, dispositivo de vídeo e receptor de televisão - Google Patents

dispositivo de iluminação, dispositivo de vídeo e receptor de televisão

Info

Publication number
BRPI0920675A2
BRPI0920675A2 BRPI0920675A BRPI0920675A BRPI0920675A2 BR PI0920675 A2 BRPI0920675 A2 BR PI0920675A2 BR PI0920675 A BRPI0920675 A BR PI0920675A BR PI0920675 A BRPI0920675 A BR PI0920675A BR PI0920675 A2 BRPI0920675 A2 BR PI0920675A2
Authority
BR
Brazil
Prior art keywords
television receiver
lighting device
video
video device
lighting
Prior art date
Application number
BRPI0920675A
Other languages
English (en)
Inventor
Takaharu Shimizu
Original Assignee
Sharp Kk
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 Sharp Kk filed Critical Sharp Kk
Publication of BRPI0920675A2 publication Critical patent/BRPI0920675A2/pt

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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • G02B6/0045—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 by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped 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
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0078—Side-by-side arrangements, e.g. for large area displays
    • G02B6/008—Side-by-side arrangements, e.g. for large area displays of the partially overlapping type
    • 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
    • G02B6/0086—Positioning aspects
    • G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133605—Direct backlight including specially adapted 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
    • G02B6/0013—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
    • G02B6/0021—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 for housing at least a part of the light source, e.g. by forming holes or recesses
    • 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

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)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
BRPI0920675A 2008-10-10 2009-07-02 dispositivo de iluminação, dispositivo de vídeo e receptor de televisão BRPI0920675A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008264260 2008-10-10
PCT/JP2009/062108 WO2010041498A1 (ja) 2008-10-10 2009-07-02 照明装置、表示装置、及びテレビ受信装置

Publications (1)

Publication Number Publication Date
BRPI0920675A2 true BRPI0920675A2 (pt) 2015-12-29

Family

ID=42100455

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0920675A BRPI0920675A2 (pt) 2008-10-10 2009-07-02 dispositivo de iluminação, dispositivo de vídeo e receptor de televisão

Country Status (7)

Country Link
US (1) US8382359B2 (pt)
EP (1) EP2327923A4 (pt)
JP (1) JP5073828B2 (pt)
CN (1) CN102177392B (pt)
BR (1) BRPI0920675A2 (pt)
RU (1) RU2468285C1 (pt)
WO (1) WO2010041498A1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010177085A (ja) * 2009-01-30 2010-08-12 Hitachi Ltd バックライトユニットおよびそれを用いた映像表示装置
KR101039608B1 (ko) * 2010-05-04 2011-06-09 엘지이노텍 주식회사 백라이트 유닛 및 디스플레이 장치
JP2012032763A (ja) * 2010-06-28 2012-02-16 Hitachi Consumer Electronics Co Ltd 液晶表示装置、バックライトおよびｌｅｄ
WO2013137005A1 (ja) * 2012-03-13 2013-09-19 シャープ株式会社 発光装置およびバックライト装置
US9395483B2 (en) * 2012-08-23 2016-07-19 Sharp Kabushiki Kaisha Illumination device, display device, and television reception device
JP6700689B2 (ja) * 2015-08-18 2020-05-27 恵和株式会社 導光シート、バックライトユニット、液晶表示装置及びバックライトユニット用導光シートの製造方法
WO2018181701A1 (ja) * 2017-03-31 2018-10-04 株式会社Ｃｔｎｂ 配光制御素子、配光調整手段、反射部材、補強板、照明ユニット、ディスプレイ及びテレビ受信機
JP2018205651A (ja) * 2017-06-09 2018-12-27 株式会社小糸製作所 耐熱入射部を備えたライトガイド
RU2018115096A (ru) * 2018-04-24 2019-10-28 Общество с ограниченной ответственностью "Экологический свет" Плоский автоэмиссионный источник света

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US5260798A (en) * 1989-11-01 1993-11-09 Aura Systems, Inc. Pixel intensity modulator
US5616982A (en) * 1989-11-01 1997-04-01 Aura Systems, Inc. Piezoelectric actuator
US5150205A (en) * 1989-11-01 1992-09-22 Aura Systems, Inc. Actuated mirror optical intensity modulation
US5126836A (en) * 1989-11-01 1992-06-30 Aura Systems, Inc. Actuated mirror optical intensity modulation
US5245369A (en) * 1989-11-01 1993-09-14 Aura Systems, Inc. Scene projector
US5185660A (en) * 1989-11-01 1993-02-09 Aura Systems, Inc. Actuated mirror optical intensity modulation
US5899552A (en) * 1993-11-11 1999-05-04 Enplas Corporation Surface light source device
JP3373427B2 (ja) * 1998-03-31 2003-02-04 日東樹脂工業株式会社 タンデム型面光源装置
JP2001312916A (ja) 2000-02-24 2001-11-09 Sony Corp 面光源装置
JP4368075B2 (ja) * 2000-11-06 2009-11-18 シャープ株式会社 面型照明装置
DE10314525A1 (de) * 2003-03-31 2004-11-04 Osram Opto Semiconductors Gmbh Verfahren zur Herstellung einer Beleuchtungsvorrichtung und Beleuchtungsvorrichtung
US20050168967A1 (en) * 2004-01-30 2005-08-04 Ko-Chia Kao Backlight module
RU2258949C1 (ru) 2004-02-26 2005-08-20 ООО "Российская Технологическая Ассоциация" Устройство для отображения видеоинформации на трехмерных экранах
DE102004046696A1 (de) * 2004-05-24 2005-12-29 Osram Opto Semiconductors Gmbh Verfahren zur Montage eines Oberflächenleuchtsystems und Oberflächenleuchtsystem
JP4440062B2 (ja) 2004-10-08 2010-03-24 シャープ株式会社 照明装置
TWI339760B (en) * 2005-05-30 2011-04-01 Kyocera Corp Backlight device and liquid crystal display device
JP2007080544A (ja) * 2005-09-09 2007-03-29 Citizen Electronics Co Ltd 照明装置
KR100637476B1 (ko) * 2005-11-09 2006-10-23 알티전자 주식회사 측면발광 다이오드 및 그 제조방법
KR100920118B1 (ko) * 2006-06-30 2009-10-01 엘지디스플레이 주식회사 백라이트 어셈블리 및 이를 구비한 액정표시장치
TWI324278B (en) * 2006-12-06 2010-05-01 Au Optronics Corp Backlight module
KR20080083411A (ko) * 2007-03-12 2008-09-18 엘지디스플레이 주식회사 엘이디 백라이트 유닛
JP4926905B2 (ja) * 2007-09-28 2012-05-09 富士フイルム株式会社 面状照明装置
JP4909866B2 (ja) * 2007-10-10 2012-04-04 富士フイルム株式会社 面状照明装置
US7857476B2 (en) * 2008-06-09 2010-12-28 Edward Pakhchyan Display backlight including an array of optical waveguides

Also Published As

Publication number Publication date
RU2468285C1 (ru) 2012-11-27
WO2010041498A1 (ja) 2010-04-15
JPWO2010041498A1 (ja) 2012-03-08
JP5073828B2 (ja) 2012-11-14
EP2327923A4 (en) 2013-05-15
US20110170019A1 (en) 2011-07-14
US8382359B2 (en) 2013-02-26
CN102177392B (zh) 2013-11-27
EP2327923A1 (en) 2011-06-01
CN102177392A (zh) 2011-09-07

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]

Free format text: REFERENTE A 7A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2383 DE 06-09-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.

B15K Others concerning applications: alteration of classification

Ipc: G02F 1/1335 (2006.01), F21V 8/00 (2006.01)