WO2009063803A1 - バックライト装置及びこれを用いた液晶表示装置 - Google Patents

バックライト装置及びこれを用いた液晶表示装置 Download PDF

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Publication number
WO2009063803A1
WO2009063803A1 PCT/JP2008/070293 JP2008070293W WO2009063803A1 WO 2009063803 A1 WO2009063803 A1 WO 2009063803A1 JP 2008070293 W JP2008070293 W JP 2008070293W WO 2009063803 A1 WO2009063803 A1 WO 2009063803A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid crystal
crystal display
same
display device
light emitting
Prior art date
Application number
PCT/JP2008/070293
Other languages
English (en)
French (fr)
Inventor
Takeshi Adachi
Original Assignee
Mitsumi Electric Co., Ltd.
Atrc Corporation
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
Priority claimed from JP2008270220A external-priority patent/JP2009139930A/ja
Application filed by Mitsumi Electric Co., Ltd., Atrc Corporation filed Critical Mitsumi Electric Co., Ltd.
Priority to CN2008801124466A priority Critical patent/CN101836246B/zh
Priority to US12/682,620 priority patent/US8736542B2/en
Publication of WO2009063803A1 publication Critical patent/WO2009063803A1/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
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • 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
    • G02F1/133612—Electrical details
    • 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
    • G02F1/133613—Direct backlight characterized by the sequence of light sources

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Planar Illumination Modules (AREA)

Abstract

光源として複数の発光ダイオードを用い、液晶表示パネルを背面から照らすバックライト装置であって、前記複数の発光ダイオードは、最小単位ｍ×ｎ（ｍ、ｎは自然数）個のユニットから構成され、前記発光ダイオードの最小単位であるユニットを複数まとめた前記ブロックの大きさを、任意に設定変更可能としたことを特徴とする。
PCT/JP2008/070293 2007-11-13 2008-11-07 バックライト装置及びこれを用いた液晶表示装置 WO2009063803A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2008801124466A CN101836246B (zh) 2007-11-13 2008-11-07 背光装置以及使用该背光装置的液晶显示装置
US12/682,620 US8736542B2 (en) 2007-11-13 2008-11-07 Backlight and liquid crystal display unit using same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007294081 2007-11-13
JP2007-294081 2007-11-13
JP2008-270220 2008-10-20
JP2008270220A JP2009139930A (ja) 2007-11-13 2008-10-20 バックライト装置及びこれを用いた液晶表示装置

Publications (1)

Publication Number Publication Date
WO2009063803A1 true WO2009063803A1 (ja) 2009-05-22

Family

ID=40638654

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/070293 WO2009063803A1 (ja) 2007-11-13 2008-11-07 バックライト装置及びこれを用いた液晶表示装置

Country Status (1)

Country Link
WO (1) WO2009063803A1 (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120044277A1 (en) * 2010-08-23 2012-02-23 Atrc Corporation Brightness control apparatus and brightness control method
CN102402949A (zh) * 2010-09-07 2012-04-04 三美电机株式会社 背光灯装置、具备该背光灯装置的显示装置以及照明装置
CN102446496A (zh) * 2010-09-03 2012-05-09 三美电机株式会社 背光灯装置、具备该背光灯装置的显示装置以及照明装置
US20120299979A1 (en) * 2010-02-24 2012-11-29 Sharp Kabushiki Kaisha Light emitting device for image display, image display apparatus, and led driver
JP2015176780A (ja) * 2014-03-17 2015-10-05 Ｎｌｔテクノロジー株式会社 面発光装置及び液晶表示装置
WO2015186171A1 (ja) * 2014-06-02 2015-12-10 Eizo株式会社 液晶表示装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007003805A (ja) * 2005-06-23 2007-01-11 Hitachi Displays Ltd 照明装置及びこれを備えた表示装置
JP2007086390A (ja) * 2005-09-22 2007-04-05 Sharp Corp Ｌｅｄバックライト装置及び液晶表示装置
JP2008070558A (ja) * 2006-09-13 2008-03-27 Sharp Corp 透過型ディスプレイ装置、およびその表示制御方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007003805A (ja) * 2005-06-23 2007-01-11 Hitachi Displays Ltd 照明装置及びこれを備えた表示装置
JP2007086390A (ja) * 2005-09-22 2007-04-05 Sharp Corp Ｌｅｄバックライト装置及び液晶表示装置
JP2008070558A (ja) * 2006-09-13 2008-03-27 Sharp Corp 透過型ディスプレイ装置、およびその表示制御方法

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120299979A1 (en) * 2010-02-24 2012-11-29 Sharp Kabushiki Kaisha Light emitting device for image display, image display apparatus, and led driver
US9159272B2 (en) * 2010-02-24 2015-10-13 Sharp Kabushiki Kaisha Light emitting device for image display, image display apparatus, and LED driver
US20120044277A1 (en) * 2010-08-23 2012-02-23 Atrc Corporation Brightness control apparatus and brightness control method
CN102376270A (zh) * 2010-08-23 2012-03-14 三美电机株式会社 亮度控制装置以及亮度控制方法
CN102446496A (zh) * 2010-09-03 2012-05-09 三美电机株式会社 背光灯装置、具备该背光灯装置的显示装置以及照明装置
CN102402949A (zh) * 2010-09-07 2012-04-04 三美电机株式会社 背光灯装置、具备该背光灯装置的显示装置以及照明装置
JP2015176780A (ja) * 2014-03-17 2015-10-05 Ｎｌｔテクノロジー株式会社 面発光装置及び液晶表示装置
WO2015186171A1 (ja) * 2014-06-02 2015-12-10 Eizo株式会社 液晶表示装置
JPWO2015186171A1 (ja) * 2014-06-02 2017-04-20 Eizo株式会社 液晶表示装置
RU2654354C1 (ru) * 2014-06-02 2018-05-17 ЭЙДЗО Корпорейшн Жидкокристаллическое дисплейное устройство
US10120235B2 (en) 2014-06-02 2018-11-06 Eizo Corporation Liquid crystal display device

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