JP2008275803A - 画像表示装置 - Google Patents
画像表示装置 Download PDFInfo
- Publication number
- JP2008275803A JP2008275803A JP2007117878A JP2007117878A JP2008275803A JP 2008275803 A JP2008275803 A JP 2008275803A JP 2007117878 A JP2007117878 A JP 2007117878A JP 2007117878 A JP2007117878 A JP 2007117878A JP 2008275803 A JP2008275803 A JP 2008275803A
- Authority
- JP
- Japan
- Prior art keywords
- display device
- metal foil
- heat
- image display
- chip
- 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.)
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
- H05K7/20963—Heat transfer by conduction from internal heat source to heat radiating structure
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- 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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
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- 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
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/041—Temperature compensation
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/04—Display protection
- G09G2330/045—Protection against panel overheating
-
- 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
Abstract
【解決手段】表示パネルにドライバチップ3を実装するCOFフィルム30に大面積の金属箔11を形成し、該ドライバチップ3の発熱を金属箔11に導いて放熱させる。
【選択図】図2
Description
Claims (5)
- 画像表示装置を構成する表示パネルにドライバチップを実装するためのチップ・オン・フィルムに大面積の放熱金属箔を形成し、前記ドライバチップの発熱を前記放熱金属箔に伝導させて放熱させることを特徴とする画像表示装置。
- 請求項1において、
前記チップ・オン・フィルムはベースフィルムに前記ドライバチップに接続する配線を形成する金属層を一層のみ形成した単層構造であり、前記放熱金属箔は前記金属層と同層であることを特徴とする画像表示装置。 - 請求項2において、
前記ドライバチップの表面に前記配線と接続するバンプの他に、前記放熱金属箔に接続するダミーバンプを有することを特徴とする画像表示装置。 - 請求項1において、
前記チップ・オン・フィルムはベースフィルムに前記ドライバチップに接続する配線を形成する金属層と、前記ドライバチップを搭載する面と反対側の面に形成した第2の放熱金属箔を形成した2層単層構造であり、前記放熱金属箔と前記第2の放熱金属箔は前記ベースフィルムを貫通するスルーホールを通して接続されていることを特徴とする画像表示装置。 - 請求項4において、
前記ドライバチップの表面に前記配線と接続するバンプの他に、前記放熱金属箔に接続するダミーバンプを有することを特徴とする画像表示装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007117878A JP2008275803A (ja) | 2007-04-27 | 2007-04-27 | 画像表示装置 |
US12/149,037 US7697103B2 (en) | 2007-04-27 | 2008-04-25 | Image display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007117878A JP2008275803A (ja) | 2007-04-27 | 2007-04-27 | 画像表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008275803A true JP2008275803A (ja) | 2008-11-13 |
JP2008275803A5 JP2008275803A5 (ja) | 2010-05-20 |
Family
ID=39886517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007117878A Pending JP2008275803A (ja) | 2007-04-27 | 2007-04-27 | 画像表示装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7697103B2 (ja) |
JP (1) | JP2008275803A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2013051236A1 (ja) * | 2011-10-05 | 2015-03-30 | パナソニック株式会社 | 表示装置 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140091804A1 (en) * | 2012-09-29 | 2014-04-03 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Method and device for detecting leakage bright spot |
CN103249246B (zh) * | 2013-05-06 | 2016-06-01 | 深圳市华星光电技术有限公司 | 电路板及显示装置 |
CN209845575U (zh) * | 2018-08-29 | 2019-12-24 | 惠科股份有限公司 | 一种显示面板和显示装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1032229A (ja) * | 1996-03-26 | 1998-02-03 | Canon Inc | Tcp構造体、回路接続構造及び表示装置 |
JP2003108017A (ja) * | 2001-09-27 | 2003-04-11 | Pioneer Electronic Corp | フラットパネル型表示装置 |
JP2005109254A (ja) * | 2003-09-30 | 2005-04-21 | Optrex Corp | 集積回路搭載基板およびこれを備えた表示装置 |
JP2005217031A (ja) * | 2004-01-28 | 2005-08-11 | Optrex Corp | 実装可撓配線板および電気光学装置 |
JP2008166460A (ja) * | 2006-12-28 | 2008-07-17 | Hitachi Displays Ltd | 表示装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7737933B2 (en) * | 2000-09-26 | 2010-06-15 | Toshiba Matsushita Display Technology Co., Ltd. | Display unit and drive system thereof and an information display unit |
US7944414B2 (en) * | 2004-05-28 | 2011-05-17 | Casio Computer Co., Ltd. | Display drive apparatus in which display pixels in a plurality of specific rows are set in a selected state with periods at least overlapping each other, and gradation current is supplied to the display pixels during the selected state, and display apparatus |
JP4896619B2 (ja) * | 2006-08-07 | 2012-03-14 | 株式会社 日立ディスプレイズ | 表示装置 |
-
2007
- 2007-04-27 JP JP2007117878A patent/JP2008275803A/ja active Pending
-
2008
- 2008-04-25 US US12/149,037 patent/US7697103B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1032229A (ja) * | 1996-03-26 | 1998-02-03 | Canon Inc | Tcp構造体、回路接続構造及び表示装置 |
JP2003108017A (ja) * | 2001-09-27 | 2003-04-11 | Pioneer Electronic Corp | フラットパネル型表示装置 |
JP2005109254A (ja) * | 2003-09-30 | 2005-04-21 | Optrex Corp | 集積回路搭載基板およびこれを備えた表示装置 |
JP2005217031A (ja) * | 2004-01-28 | 2005-08-11 | Optrex Corp | 実装可撓配線板および電気光学装置 |
JP2008166460A (ja) * | 2006-12-28 | 2008-07-17 | Hitachi Displays Ltd | 表示装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2013051236A1 (ja) * | 2011-10-05 | 2015-03-30 | パナソニック株式会社 | 表示装置 |
Also Published As
Publication number | Publication date |
---|---|
US7697103B2 (en) | 2010-04-13 |
US20080266507A1 (en) | 2008-10-30 |
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