JP5229736B2 - 液晶表示装置 - Google Patents
液晶表示装置 Download PDFInfo
- Publication number
- JP5229736B2 JP5229736B2 JP2009036277A JP2009036277A JP5229736B2 JP 5229736 B2 JP5229736 B2 JP 5229736B2 JP 2009036277 A JP2009036277 A JP 2009036277A JP 2009036277 A JP2009036277 A JP 2009036277A JP 5229736 B2 JP5229736 B2 JP 5229736B2
- Authority
- JP
- Japan
- Prior art keywords
- led substrate
- liquid crystal
- crystal display
- electronic component
- leds
- 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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- 239000004973 liquid crystal related substance Substances 0.000 title claims description 23
- 239000000758 substrate Substances 0.000 claims description 42
- 238000009792 diffusion process Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 description 6
- 230000000630 rising effect Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 239000010409 thin film Substances 0.000 description 2
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Images
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
- 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
- G02F1/133628—Illuminating devices with cooling means
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)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Led Device Packages (AREA)
Description
Claims (2)
- 液晶表示パネルと、
バックライトと、
を有し、
前記バックライトは、複数のLEDが実装されたLED基板と、前記LED基板上に配置された反射シートと、前記LED基板から間隔をあけて配置された拡散板と、前記LED基板の端部で前記拡散板を支持するサイドサポートと、外部との電気的接続のためのコネクタと、少なくとも1つの前記LEDに電気的に接続された電子部品と、を含み、
前記コネクタ及び前記電子部品は、前記サイドサポートの下で前記LED基板に実装され、
前記サイドサポートは、前記コネクタ及び前記電子部品よりも光反射率が高いことを特徴とする液晶表示装置。 - 請求項1に記載された液晶表示装置において、
前記バックライトは、前記LED基板の前記複数のLEDが実装された面とは反対側に配置された下フレームと、前記LED基板の前記複数のLEDが実装された第1領域と前記下フレームとの間に介在する第1シートと、前記LED基板の前記コネクタ及び前記電子部品が実装された第2領域と前記下フレームとの間に介在する第2シートと、をさらに有し、
前記第2シートは、前記第1シートよりも熱伝導率が高いことを特徴とする液晶表示装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009036277A JP5229736B2 (ja) | 2009-02-19 | 2009-02-19 | 液晶表示装置 |
US12/708,984 US8212965B2 (en) | 2009-02-19 | 2010-02-19 | Liquid crystal display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009036277A JP5229736B2 (ja) | 2009-02-19 | 2009-02-19 | 液晶表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010191247A JP2010191247A (ja) | 2010-09-02 |
JP5229736B2 true JP5229736B2 (ja) | 2013-07-03 |
Family
ID=42559599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009036277A Active JP5229736B2 (ja) | 2009-02-19 | 2009-02-19 | 液晶表示装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8212965B2 (ja) |
JP (1) | JP5229736B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012128077A1 (ja) * | 2011-03-18 | 2012-09-27 | シャープ株式会社 | 照明装置、表示装置、テレビ受信装置 |
KR102136203B1 (ko) | 2014-02-03 | 2020-08-14 | 삼성디스플레이 주식회사 | 백라이트 유닛 및 이를 포함하는 액정 표시 장치 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI283321B (en) * | 2004-06-18 | 2007-07-01 | Au Optronics Corp | Supporter and LED light-source module using the same |
JP4650075B2 (ja) * | 2005-04-18 | 2011-03-16 | ソニー株式会社 | 発光ユニットの放熱装置、バックライト装置及び画像表示装置 |
KR101220204B1 (ko) * | 2005-12-28 | 2013-01-09 | 엘지디스플레이 주식회사 | 엘이디 백라이트어셈블리 및 이를 이용한 액정표시장치모듈 |
KR20070108736A (ko) * | 2006-05-08 | 2007-11-13 | 삼성전기주식회사 | Led 백라이트 구동시스템 |
JP2007311561A (ja) * | 2006-05-18 | 2007-11-29 | Showa Denko Kk | 表示装置、発光装置、および固体発光素子基板 |
JP5050498B2 (ja) * | 2006-11-21 | 2012-10-17 | ソニー株式会社 | 光源装置、バックライト装置、液晶表示装置及びバックライト装置の製造方法 |
KR101535926B1 (ko) * | 2008-08-12 | 2015-07-13 | 삼성디스플레이 주식회사 | 엘이디 백라이트 어셈블리 및 이를 이용하는 액정표시장치 |
-
2009
- 2009-02-19 JP JP2009036277A patent/JP5229736B2/ja active Active
-
2010
- 2010-02-19 US US12/708,984 patent/US8212965B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2010191247A (ja) | 2010-09-02 |
US20100208168A1 (en) | 2010-08-19 |
US8212965B2 (en) | 2012-07-03 |
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