BRPI0920737A2 - dispositivo de iluminação e dispositivo de display de cristal líquido - Google Patents

dispositivo de iluminação e dispositivo de display de cristal líquido

Info

Publication number
BRPI0920737A2
BRPI0920737A2 BRPI0920737A BRPI0920737A BRPI0920737A2 BR PI0920737 A2 BRPI0920737 A2 BR PI0920737A2 BR PI0920737 A BRPI0920737 A BR PI0920737A BR PI0920737 A BRPI0920737 A BR PI0920737A BR PI0920737 A2 BRPI0920737 A2 BR PI0920737A2
Authority
BR
Brazil
Prior art keywords
liquid crystal
crystal display
display device
lighting device
lighting
Prior art date
Application number
BRPI0920737A
Other languages
English (en)
Inventor
Hirokazu Mouri
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 BRPI0920737A2 publication Critical patent/BRPI0920737A2/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
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • 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
    • G02B6/0066—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
    • G02B6/0075—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
    • G02F1/133608—Direct backlight including particular frames or supporting means
    • 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

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)
BRPI0920737A 2008-09-30 2009-09-07 dispositivo de iluminação e dispositivo de display de cristal líquido BRPI0920737A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008254405 2008-09-30
PCT/JP2009/065576 WO2010038583A1 (ja) 2008-09-30 2009-09-07 照明装置および液晶表示装置

Publications (1)

Publication Number Publication Date
BRPI0920737A2 true BRPI0920737A2 (pt) 2016-05-17

Family

ID=42073355

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0920737A BRPI0920737A2 (pt) 2008-09-30 2009-09-07 dispositivo de iluminação e dispositivo de display de cristal líquido

Country Status (7)

Country Link
US (1) US20110157517A1 (pt)
EP (1) EP2322844A4 (pt)
JP (1) JP5043198B2 (pt)
CN (1) CN102144121A (pt)
BR (1) BRPI0920737A2 (pt)
RU (1) RU2470215C2 (pt)
WO (1) WO2010038583A1 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2012032505A (ja) * 2010-07-29 2012-02-16 Hitachi Consumer Electronics Co Ltd 映像表示装置
JP2012033420A (ja) * 2010-08-02 2012-02-16 Hitachi Consumer Electronics Co Ltd 照明装置及びこれを用いた表示装置
KR101867283B1 (ko) * 2011-01-24 2018-06-15 삼성디스플레이 주식회사 광가이드바, 이를 포함하는 백라이트 어셈블리 및 이를 포함하는 표시장치
CN111308606A (zh) * 2018-12-12 2020-06-19 元太科技工业股份有限公司 导光组件及反射式显示装置
TWI730271B (zh) 2018-12-12 2021-06-11 元太科技工業股份有限公司 導光組件及反射式顯示裝置
US11209131B2 (en) * 2019-04-23 2021-12-28 Lumileds Llc Alignment features for LED light engine

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP1106913B1 (de) * 1999-12-08 2005-05-25 MENTOR GMBH & CO. Leiterplattenmontierbares Anzeigeelement
RU2174725C1 (ru) * 2000-12-27 2001-10-10 Дыхне Александр Михайлович Способ изготовления оптического световодного устройства для передачи изображения (его варианты)
JP2001312916A (ja) 2000-02-24 2001-11-09 Sony Corp 面光源装置
TW548479B (en) * 2001-02-27 2003-08-21 Matsushita Electric Industrial Co Ltd Display device, display panel for the device, and the manufacturing method thereof
JP3760900B2 (ja) * 2001-09-06 2006-03-29 セイコーエプソン株式会社 導光装置、電気光学装置及び電子機器
JP2004184493A (ja) * 2002-11-29 2004-07-02 Seiko Epson Corp 電気光学装置、電気光学装置の製造方法、および電子機器
JP2006066129A (ja) * 2004-08-25 2006-03-09 Sakari:Kk バックライト
RU44410U1 (ru) * 2004-10-27 2005-03-10 Общество с ограниченной ответственностью "4 лайтс Си.Пи." Универсальная световая панель
RU44408U1 (ru) * 2004-10-27 2005-03-10 Общество с ограниченной ответственностью "4 лайтс Си.Пи." Универсальная световая панель
TWI293702B (en) * 2005-03-17 2008-02-21 Au Optronics Corp Backlight modules
US20090310062A1 (en) * 2005-07-04 2009-12-17 Yoshihiko Chosa Linear light source device, planar light emitting device and liquid crystal display device
US8269918B2 (en) * 2006-10-27 2012-09-18 Sharp Kabushiki Kaisha Light source with overlapping light guide elements for liquid crystal display device
WO2010126226A2 (en) * 2009-04-27 2010-11-04 Lg Electronics Inc. Back light unit and display device using the same

Also Published As

Publication number Publication date
WO2010038583A1 (ja) 2010-04-08
JP5043198B2 (ja) 2012-10-10
EP2322844A4 (en) 2011-08-17
US20110157517A1 (en) 2011-06-30
EP2322844A1 (en) 2011-05-18
RU2011110696A (ru) 2012-09-27
RU2470215C2 (ru) 2012-12-20
CN102144121A (zh) 2011-08-03
JPWO2010038583A1 (ja) 2012-03-01

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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 5A, 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 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)