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WO2008099645A1 - 照明装置及び液晶表示装置 - Google Patents

照明装置及び液晶表示装置 Download PDF

Info

Publication number
WO2008099645A1
WO2008099645A1 PCT/JP2008/050871 JP2008050871W WO2008099645A1 WO 2008099645 A1 WO2008099645 A1 WO 2008099645A1 JP 2008050871 W JP2008050871 W JP 2008050871W WO 2008099645 A1 WO2008099645 A1 WO 2008099645A1
Authority
WO
WIPO (PCT)
Prior art keywords
bulbs
liquid crystal
crystal display
display device
illumination device
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2008/050871
Other languages
English (en)
French (fr)
Inventor
Kazuaki Ohkubo
Kiyoshi Hashimotodani
Satoshi Kominami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co Ltd
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 Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Publication of WO2008099645A1 publication Critical patent/WO2008099645A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity
    • 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
    • G02F1/133604—Direct backlight with lamps

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

　バックライト装置２１は、個々のバルブ３２の内部にそれぞれ配置され、かつ交流の駆動電圧を出力する点灯回路４０に対して並列に接続された複数の内部電極３５と、個々のバルブ３２の外部に空隙４１を隔てて配置され、かつ接地された外部電極３６を備える。保持部材４３Ａ～４３Ｃは、相隣り合うバルブ３２間の間隔Ｐ１，Ｐ２がバルブ３２の配置方向に規則的に変化するように、バルブ３２を保持する。
PCT/JP2008/050871 2007-02-15 2008-01-23 照明装置及び液晶表示装置 Ceased WO2008099645A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-034946 2007-02-15
JP2007034946 2007-02-15

Publications (1)

Publication Number Publication Date
WO2008099645A1 true WO2008099645A1 (ja) 2008-08-21

Family

ID=39689891

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/050871 Ceased WO2008099645A1 (ja) 2007-02-15 2008-01-23 照明装置及び液晶表示装置

Country Status (1)

Country Link
WO (1) WO2008099645A1 (ja)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002082626A (ja) * 2000-09-08 2002-03-22 Sharp Corp 表示パネル用バックライト装置
JP2003242801A (ja) * 2002-02-13 2003-08-29 Ohtsu Tire & Rubber Co Ltd :The 直下型バックライト及びシャウカステン
JP2004287226A (ja) * 2003-03-24 2004-10-14 Tama Electric Co Ltd バックライト装置及び液晶表示装置
WO2005022586A1 (ja) * 2003-08-29 2005-03-10 Matsushita Electric Industrial Co., Ltd. 光源装置、照明装置、及び液晶表示装置
JP2006024549A (ja) * 2004-07-09 2006-01-26 Au Optronics Corp ランプホルダ
JP2006286341A (ja) * 2005-03-31 2006-10-19 Sharp Corp 蛍光管支持体、これを用いた直下式バックライト装置および直下式バックライト装置を用いた液晶表示装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002082626A (ja) * 2000-09-08 2002-03-22 Sharp Corp 表示パネル用バックライト装置
JP2003242801A (ja) * 2002-02-13 2003-08-29 Ohtsu Tire & Rubber Co Ltd :The 直下型バックライト及びシャウカステン
JP2004287226A (ja) * 2003-03-24 2004-10-14 Tama Electric Co Ltd バックライト装置及び液晶表示装置
WO2005022586A1 (ja) * 2003-08-29 2005-03-10 Matsushita Electric Industrial Co., Ltd. 光源装置、照明装置、及び液晶表示装置
JP2006024549A (ja) * 2004-07-09 2006-01-26 Au Optronics Corp ランプホルダ
JP2006286341A (ja) * 2005-03-31 2006-10-19 Sharp Corp 蛍光管支持体、これを用いた直下式バックライト装置および直下式バックライト装置を用いた液晶表示装置

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