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WO2009041133A1 - 照明装置および表示装置 - Google Patents

照明装置および表示装置 Download PDF

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Publication number
WO2009041133A1
WO2009041133A1 PCT/JP2008/061151 JP2008061151W WO2009041133A1 WO 2009041133 A1 WO2009041133 A1 WO 2009041133A1 JP 2008061151 W JP2008061151 W JP 2008061151W WO 2009041133 A1 WO2009041133 A1 WO 2009041133A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
display
display panel
transparent
control unit
Prior art date
Application number
PCT/JP2008/061151
Other languages
English (en)
French (fr)
Inventor
Hidekazu Oka
Takashi Morimoto
Original Assignee
Sharp Kabushiki Kaisha
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 Kabushiki Kaisha filed Critical Sharp Kabushiki Kaisha
Priority to US12/679,761 priority Critical patent/US20100283717A1/en
Priority to CN2008801086515A priority patent/CN101809489B/zh
Publication of WO2009041133A1 publication Critical patent/WO2009041133A1/ja

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
    • G02F1/133605—Direct backlight including specially adapted reflectors
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
    • G09G3/3426—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines the different display panel areas being distributed in two dimensions, e.g. matrix
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • 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
    • G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
    • 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
    • G02F2203/00—Function characteristic
    • G02F2203/62—Switchable arrangements whereby the element being usually not switchable
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/02—Composition of display devices
    • G09G2300/023—Display panel composed of stacked panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/066—Adjustment of display parameters for control of contrast

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Electroluminescent Light Sources (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Liquid Crystal (AREA)

Abstract

　コンストラスト比の向上を図ることができる表示装置を提供すること。 　表示パネル２側に光源２４からの光を照射して画像表示がなされる表示装置１において、表示パネル２の背面側に配される非発光時に透明な透明ＥＬシート３０と、光源２４からの光を表示パネル２側に反射する反射シート４０と、表示パネル２の画像表示を制御する表示制御部１８ａと、透明ＥＬシート３０の発光を制御する発光制御部１８ｂとを備えると共に、発光制御部１８ｂが透明ＥＬシート３０の少なくとも一部の面を表示制御部１８ａが制御する表示パネル２の画像表示に対応して発光させて、その発光させた光を光源２４からの光および反射シート４０からの反射光と共に表示パネル２に照射する。
PCT/JP2008/061151 2007-09-26 2008-06-18 照明装置および表示装置 WO2009041133A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/679,761 US20100283717A1 (en) 2007-09-26 2008-06-18 Illuminating device and display device
CN2008801086515A CN101809489B (zh) 2007-09-26 2008-06-18 照明装置和显示装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007249077 2007-09-26
JP2007-249077 2007-09-26

Publications (1)

Publication Number Publication Date
WO2009041133A1 true WO2009041133A1 (ja) 2009-04-02

Family

ID=40511032

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/061151 WO2009041133A1 (ja) 2007-09-26 2008-06-18 照明装置および表示装置

Country Status (3)

Country Link
US (1) US20100283717A1 (ja)
CN (1) CN101809489B (ja)
WO (1) WO2009041133A1 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101762922B (zh) * 2008-12-24 2012-05-30 京东方科技集团股份有限公司 触摸式电子纸及其制造方法
JP4757340B2 (ja) * 2009-10-30 2011-08-24 シャープ株式会社 照明装置、その照明装置を備える画像読取り装置、その画像読取り装置を備える画像形成装置
DE102009052653B4 (de) * 2009-11-11 2011-12-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Autostereoskopisches Display
US20130208448A1 (en) * 2012-02-15 2013-08-15 Shenzhen China Star Optoelectronics Technology Co., Ltd. Backlight Module
TWI514062B (zh) * 2014-02-12 2015-12-21 E Ink Holdings Inc 前光模組與具有前光模組的電子紙顯示裝置
KR102226601B1 (ko) * 2014-12-02 2021-03-15 삼성디스플레이 주식회사 터치 패널 및 그 제조방법
TWI592722B (zh) 2016-03-16 2017-07-21 揚昇照明股份有限公司 背光模組以及顯示裝置
CN107065371B (zh) 2017-01-23 2023-10-10 京东方科技集团股份有限公司 一种双面多功能装置及其显示方法
EP3451051B1 (en) * 2017-08-28 2021-08-18 Continental Automotive GmbH Display device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09236817A (ja) * 1996-02-29 1997-09-09 Casio Comput Co Ltd 表示装置
JPH1078582A (ja) * 1996-09-04 1998-03-24 Casio Comput Co Ltd 表示装置及びその駆動方法
JPH10170914A (ja) * 1996-12-11 1998-06-26 Oki Electric Ind Co Ltd 液晶表示装置及びその表示制御方法
JP2002099250A (ja) * 2000-09-21 2002-04-05 Toshiba Corp 表示装置
JP2005258403A (ja) * 2004-02-09 2005-09-22 Hitachi Ltd 照明装置とこれを備えた画像表示装置及び画像表示方法
JP2007156256A (ja) * 2005-12-07 2007-06-21 Seiko Epson Corp 電気光学装置、電子機器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000275604A (ja) * 1999-03-23 2000-10-06 Hitachi Ltd 液晶表示装置
JP2001004998A (ja) * 1999-06-24 2001-01-12 Nec Corp 液晶表示装置
JP4122828B2 (ja) * 2002-04-30 2008-07-23 日本電気株式会社 表示装置及びその駆動方法
US20040008296A1 (en) * 2002-07-12 2004-01-15 Durel Corporation Quasi color LCD
JP4546178B2 (ja) * 2003-10-23 2010-09-15 日東電工株式会社 光学用樹脂シート及び該光学用樹脂シートを含む液晶セル基板、液晶表示装置、画像表示装置用基板、画像表示装置
JP2005140980A (ja) * 2003-11-06 2005-06-02 Nitto Denko Corp 積層フィルム
JP2005158369A (ja) * 2003-11-21 2005-06-16 Toyota Industries Corp 光学部材及び照明装置
KR100628266B1 (ko) * 2003-11-28 2006-09-27 엘지.필립스 엘시디 주식회사 액정표시장치
CN100573250C (zh) * 2004-12-04 2009-12-23 鸿富锦精密工业（深圳）有限公司 显示装置
US7943287B2 (en) * 2006-07-28 2011-05-17 Semiconductor Energy Laboratory Co., Ltd. Method for manufacturing display device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09236817A (ja) * 1996-02-29 1997-09-09 Casio Comput Co Ltd 表示装置
JPH1078582A (ja) * 1996-09-04 1998-03-24 Casio Comput Co Ltd 表示装置及びその駆動方法
JPH10170914A (ja) * 1996-12-11 1998-06-26 Oki Electric Ind Co Ltd 液晶表示装置及びその表示制御方法
JP2002099250A (ja) * 2000-09-21 2002-04-05 Toshiba Corp 表示装置
JP2005258403A (ja) * 2004-02-09 2005-09-22 Hitachi Ltd 照明装置とこれを備えた画像表示装置及び画像表示方法
JP2007156256A (ja) * 2005-12-07 2007-06-21 Seiko Epson Corp 電気光学装置、電子機器

Also Published As

Publication number Publication date
CN101809489B (zh) 2013-03-27
US20100283717A1 (en) 2010-11-11
CN101809489A (zh) 2010-08-18

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