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BRPI0806882A2 - Elemento emissor de luz e aparelhagem de display de cristal líquido - Google Patents

Elemento emissor de luz e aparelhagem de display de cristal líquido

Info

Publication number
BRPI0806882A2
BRPI0806882A2 BRPI0806882-8A BRPI0806882A BRPI0806882A2 BR PI0806882 A2 BRPI0806882 A2 BR PI0806882A2 BR PI0806882 A BRPI0806882 A BR PI0806882A BR PI0806882 A2 BRPI0806882 A2 BR PI0806882A2
Authority
BR
Brazil
Prior art keywords
light emitting
emitting element
lcd display
display equipment
equipment
Prior art date
Application number
BRPI0806882-8A
Other languages
English (en)
Inventor
Yuhsaku Ajichi
Takeshi Masuda
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 BRPI0806882A2 publication Critical patent/BRPI0806882A2/pt

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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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
    • 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
    • G02B6/0033—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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0073—Light emitting diode [LED]
    • 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
    • G02F1/133609—Direct backlight including means for improving the color mixing, e.g. white
    • 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)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
BRPI0806882-8A 2007-04-26 2008-04-24 Elemento emissor de luz e aparelhagem de display de cristal líquido BRPI0806882A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007117770 2007-04-26
PCT/JP2008/057928 WO2008136349A1 (ja) 2007-04-26 2008-04-24 発光素子および液晶表示装置

Publications (1)

Publication Number Publication Date
BRPI0806882A2 true BRPI0806882A2 (pt) 2015-06-16

Family

ID=39943460

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0806882-8A BRPI0806882A2 (pt) 2007-04-26 2008-04-24 Elemento emissor de luz e aparelhagem de display de cristal líquido

Country Status (6)

Country Link
US (2) US8154689B2 (pt)
EP (2) EP2149745A1 (pt)
JP (2) JPWO2008136349A1 (pt)
CN (2) CN101578480A (pt)
BR (1) BRPI0806882A2 (pt)
WO (2) WO2008136349A1 (pt)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0806882A2 (pt) 2007-04-26 2015-06-16 Sharp Kk Elemento emissor de luz e aparelhagem de display de cristal líquido
JP2009123489A (ja) * 2007-11-14 2009-06-04 Sony Corp 面光源装置及び液晶表示装置
JP5179908B2 (ja) * 2008-03-12 2013-04-10 スタンレー電気株式会社 面光源照明装置
JP2010067439A (ja) * 2008-09-10 2010-03-25 Harison Toshiba Lighting Corp 面発光装置および表示装置
JP2010157455A (ja) * 2008-12-29 2010-07-15 Funai Electric Co Ltd 液晶表示装置のバックライト
JP2010177086A (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
JP4742153B2 (ja) * 2009-01-30 2011-08-10 キヤノン株式会社 原稿読取装置
ITTV20090058A1 (it) * 2009-03-26 2010-09-27 Giovine Vincenzo Di Sistema di illuminazione laminare a led con effetto scattering indotto
KR101565409B1 (ko) * 2009-06-02 2015-11-03 엘지전자 주식회사 Ｌｅｄ 백라이트 유닛
WO2010147294A1 (ko) * 2009-06-15 2010-12-23 엘지전자 주식회사 디스플레이 장치
KR100964467B1 (ko) * 2009-11-24 2010-06-16 엘지전자 주식회사 디스플레이 장치
JP2011053238A (ja) * 2009-08-31 2011-03-17 Hitachi Consumer Electronics Co Ltd 液晶表示装置及びバックライト装置
CN102004355A (zh) * 2009-08-31 2011-04-06 日立民用电子株式会社 液晶显示装置
US20110051036A1 (en) * 2009-08-31 2011-03-03 Hitachi Consumer Electronics Co., Ltd. Liquid Crystal Display Device
US8446547B2 (en) * 2009-12-03 2013-05-21 Lg Display Co., Ltd. Liquid crystal display device including back light unit having LED array
JP5460435B2 (ja) * 2010-04-09 2014-04-02 日立コンシューマエレクトロニクス株式会社 画像表示装置および画像表示装置の制御方法
CN101956935A (zh) 2010-07-30 2011-01-26 深圳市华星光电技术有限公司 背光模组以及液晶显示装置
CN101994954A (zh) * 2010-07-30 2011-03-30 深圳市华星光电技术有限公司 一种背光模组
KR101706578B1 (ko) * 2010-10-08 2017-02-16 엘지디스플레이 주식회사 백라이트 유닛 및 이를 포함하는 액정표시장치 모듈
US8632236B2 (en) * 2011-11-04 2014-01-21 GE Lighting Solutions, LLC LED lighting module and lighting device comprised thereof
JP5952557B2 (ja) * 2011-12-26 2016-07-13 株式会社小糸製作所 発光モジュールおよび車両用灯具
RU2617558C2 (ru) * 2012-01-25 2017-04-25 Филипс Лайтинг Холдинг Б.В. Светоизлучающее устройство для устройства задней подсветки и способ работы светоизлучающего устройства
CN102661572A (zh) * 2012-04-18 2012-09-12 深圳市华星光电技术有限公司 上棱镜导光板及相应的背光模块
JP5952086B2 (ja) * 2012-05-24 2016-07-13 スタンレー電気株式会社 車両用灯具
JP6531179B2 (ja) * 2015-09-24 2019-06-12 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
KR102463846B1 (ko) * 2015-12-30 2022-11-04 엘지디스플레이 주식회사 백라이트 유닛 및 그를 포함하는 표시장치
CN105629577B (zh) * 2016-03-31 2019-10-01 上海天马微电子有限公司 背光单元、显示屏及显示装置

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* Cited by examiner, † Cited by third party
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JPH10334717A (ja) * 1997-05-29 1998-12-18 Mitsubishi Electric Corp 面照明装置及び該面照明装置に用いる保温用ランプケース
JP2003141921A (ja) 2001-11-07 2003-05-16 Seiko Epson Corp 照明装置、電気光学ユニットおよび電子機器、照明装置の製造方法
JP2003177249A (ja) * 2001-12-13 2003-06-27 Nissha Printing Co Ltd フロントライト装置用導光板とその製造方法
JP2003187622A (ja) 2001-12-18 2003-07-04 Sharp Corp 照明装置及び表示装置
JP2005183124A (ja) 2003-12-18 2005-07-07 Matsushita Electric Ind Co Ltd 面状光源および液晶表示装置
JP2005285704A (ja) * 2004-03-31 2005-10-13 Citizen Watch Co Ltd 導光部材及びこの導光部材を用いた照明装置
CN100483204C (zh) 2004-04-17 2009-04-29 鸿富锦精密工业（深圳）有限公司 导光板
JP4063249B2 (ja) 2004-05-19 2008-03-19 ソニー株式会社 照明装置及び液晶表示装置
JP4123189B2 (ja) 2004-05-19 2008-07-23 ソニー株式会社 バックライト装置、及び液晶表示装置
US7349043B2 (en) * 2004-05-24 2008-03-25 Nec Corporation Light source, display device, portable terminal device, and ray direction switching element
JP4628043B2 (ja) * 2004-08-26 2011-02-09 オプトレックス株式会社 液晶表示装置
JP4431070B2 (ja) * 2005-02-28 2010-03-10 シャープ株式会社 面照明装置及びそれを備えた液晶表示装置
JP4848654B2 (ja) 2005-03-25 2011-12-28 船井電機株式会社 液晶表示装置
JP4430571B2 (ja) * 2005-03-25 2010-03-10 三菱レイヨン株式会社 Ｌｅｄ面光源装置
JP2006269364A (ja) * 2005-03-25 2006-10-05 Mitsubishi Rayon Co Ltd Ｌｅｄ面光源装置
US7311431B2 (en) * 2005-04-01 2007-12-25 Avago Technologies Ecbu Ip Pte Ltd Light-emitting apparatus having a plurality of adjacent, overlapping light-guide plates
JP4430585B2 (ja) * 2005-06-16 2010-03-10 三菱レイヨン株式会社 面光源装置
JP2007024915A (ja) * 2005-07-12 2007-02-01 Nec Lcd Technologies Ltd 照明装置及び該照明装置を備える液晶表示装置
WO2007020966A1 (ja) * 2005-08-17 2007-02-22 Fujifilm Corporation 面状照明装置
JP4778279B2 (ja) 2005-09-02 2011-09-21 三菱レイヨン株式会社 光ミキシング素子及びそれを用いた面光源装置
JP4757577B2 (ja) * 2005-09-14 2011-08-24 日本電気株式会社 光源装置、表示装置、端末装置、光源ユニット及び光源装置の駆動方法
JP2007095635A (ja) * 2005-09-30 2007-04-12 Yamaguchi Univ 表示ディスプレイにおける照明装置の調光制御を行う方法及び装置
JP4622787B2 (ja) * 2005-09-30 2011-02-02 日立ライティング株式会社 バックライトシステム及び液晶表示装置
US20070115687A1 (en) * 2005-11-24 2007-05-24 Tpo Hong Kong Holding Limited Light-emitting unit and method of producing the same
US20080049445A1 (en) * 2006-08-25 2008-02-28 Philips Lumileds Lighting Company, Llc Backlight Using High-Powered Corner LED
BRPI0806882A2 (pt) 2007-04-26 2015-06-16 Sharp Kk Elemento emissor de luz e aparelhagem de display de cristal líquido

Also Published As

Publication number Publication date
US20100110339A1 (en) 2010-05-06
JPWO2008136349A1 (ja) 2010-07-29
CN101622494A (zh) 2010-01-06
EP2149745A1 (en) 2010-02-03
US20100103346A1 (en) 2010-04-29
WO2008136349A1 (ja) 2008-11-13
JP5085645B2 (ja) 2012-11-28
WO2008136359A1 (ja) 2008-11-13
US8154689B2 (en) 2012-04-10
EP2172698A1 (en) 2010-04-07
CN101578480A (zh) 2009-11-11
JPWO2008136359A1 (ja) 2010-07-29

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 6A E 7A ANUIDADES.

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 2343 DE 01-12-2015 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: F21V 8/00 (2006.01), G02F 1/1335 (2006.01)