JP2010192285A - 液晶表示装置 - Google Patents
液晶表示装置 Download PDFInfo
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- JP2010192285A JP2010192285A JP2009036270A JP2009036270A JP2010192285A JP 2010192285 A JP2010192285 A JP 2010192285A JP 2009036270 A JP2009036270 A JP 2009036270A JP 2009036270 A JP2009036270 A JP 2009036270A JP 2010192285 A JP2010192285 A JP 2010192285A
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- Prior art keywords
- led
- liquid crystal
- lens
- crystal display
- hole
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 28
- 239000000758 substrate Substances 0.000 claims abstract description 32
- 238000009792 diffusion process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
-
- 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
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)
Abstract
【解決手段】液晶表示装置は、液晶表示パネル10と、バックライト14と、を有する。バックライト14は、LED22が実装されたLED基板24と、LED基板24上に配置されLED22を内側に配置する穴28が形成された反射シート26と、LED22上に配置されてLED22からの光を拡散するレンズ32と、を有する。レンズ32は、穴28よりも大きく、穴28の全体を覆うとともに、穴28の全周縁を含む反射シート26の一部を覆う。
【選択図】図2
Description
Claims (3)
- 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、LEDが実装されたLED基板と、前記LED基板上に配置され前記LEDを内側に配置する穴が形成された反射シートと、前記LED上に配置されて前記LEDからの光を拡散するレンズと、を有し、
前記レンズは、前記穴よりも大きく、前記穴の全体を覆うとともに、前記穴の全周縁を含む前記反射シートの一部を覆う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、
前記レンズは、前記反射シートに接触するように配置されている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、
前記レンズを前記LEDに取り付けた後に前記反射シートを取り付けられるように、前記反射シートには、前記穴から前記レンズとの対向領域の外側に至る切れ込みが形成されていることを特徴とする液晶表示装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009036270A JP5236521B2 (ja) | 2009-02-19 | 2009-02-19 | 液晶表示装置 |
CN2013101422542A CN103197468A (zh) | 2009-02-19 | 2010-02-11 | 液晶显示装置 |
CN201010121165A CN101813852A (zh) | 2009-02-19 | 2010-02-11 | 液晶显示装置 |
US12/709,041 US8208092B2 (en) | 2009-02-19 | 2010-02-19 | Liquid crystal display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009036270A JP5236521B2 (ja) | 2009-02-19 | 2009-02-19 | 液晶表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010192285A true JP2010192285A (ja) | 2010-09-02 |
JP5236521B2 JP5236521B2 (ja) | 2013-07-17 |
Family
ID=42559601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009036270A Active JP5236521B2 (ja) | 2009-02-19 | 2009-02-19 | 液晶表示装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8208092B2 (ja) |
JP (1) | JP5236521B2 (ja) |
CN (2) | CN101813852A (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011003549A (ja) * | 2009-05-20 | 2011-01-06 | Sharp Corp | 光源装置及びこれを備える表示装置、テレビ受像装置 |
WO2012165282A1 (ja) * | 2011-05-31 | 2012-12-06 | シャープ株式会社 | 照明装置、表示装置、及びテレビ受信装置 |
JP2014038824A (ja) * | 2012-08-16 | 2014-02-27 | Lg Display Co Ltd | バックライトユニット |
US8876350B2 (en) | 2009-05-20 | 2014-11-04 | Sharp Kabushiki Kaisha | Light source device and display device provided with same |
KR20150105870A (ko) * | 2014-03-10 | 2015-09-18 | 삼성전자주식회사 | 디스플레이 장치 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101222996B1 (ko) * | 2010-07-23 | 2013-01-18 | 엘지디스플레이 주식회사 | 액정 표시 장치 및 이의 제조 방법 |
JP6191144B2 (ja) | 2013-01-30 | 2017-09-06 | 船井電機株式会社 | 表示装置 |
US9891470B2 (en) * | 2014-09-30 | 2018-02-13 | Boe Technology Group Co., Ltd. | Reflector sheet, backlight module and display apparatus |
KR102134078B1 (ko) * | 2018-11-29 | 2020-07-14 | 몰렉스 엘엘씨 | 발광 소자용 광 확산 렌즈 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009087879A (ja) * | 2007-10-02 | 2009-04-23 | Sharp Corp | バックライト装置および液晶表示装置 |
JP2009152146A (ja) * | 2007-12-21 | 2009-07-09 | Sharp Corp | 面光源装置および表示装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH071804B2 (ja) * | 1989-02-15 | 1995-01-11 | シャープ株式会社 | 発光素子アレイ光源 |
JP4622327B2 (ja) * | 2004-06-14 | 2011-02-02 | ソニー株式会社 | 液晶表示装置及びバックライト装置 |
TWI283321B (en) * | 2004-06-18 | 2007-07-01 | Au Optronics Corp | Supporter and LED light-source module using the same |
CN1313874C (zh) * | 2004-07-27 | 2007-05-02 | 友达光电股份有限公司 | Led背光模块 |
CN2751326Y (zh) * | 2004-09-10 | 2006-01-11 | 友达光电股份有限公司 | 背光模块 |
KR101080355B1 (ko) * | 2004-10-18 | 2011-11-04 | 삼성전자주식회사 | 발광다이오드와 그 렌즈 |
KR101229874B1 (ko) * | 2005-04-22 | 2013-02-05 | 삼성디스플레이 주식회사 | 광학 렌즈와, 이를 갖는 광학 패키지, 백라이트 어셈블리및 표시장치 |
KR101220204B1 (ko) * | 2005-12-28 | 2013-01-09 | 엘지디스플레이 주식회사 | 엘이디 백라이트어셈블리 및 이를 이용한 액정표시장치모듈 |
KR20080040878A (ko) * | 2006-11-06 | 2008-05-09 | 삼성전자주식회사 | 광학렌즈 플레이트, 백라이트 유닛 및 이를 구비하는표시장치 |
KR101396658B1 (ko) * | 2006-12-29 | 2014-05-19 | 엘지디스플레이 주식회사 | 광원 큐브 및 이를 이용한 평면 광원 장치 및 액정 표시장치 |
JP4888280B2 (ja) * | 2007-08-28 | 2012-02-29 | パナソニック電工株式会社 | 発光装置 |
US8558967B2 (en) * | 2009-02-12 | 2013-10-15 | Panasonic Corporation | Illuminating lens, lighting device, surface light source, and liquid-crystal display apparatus |
-
2009
- 2009-02-19 JP JP2009036270A patent/JP5236521B2/ja active Active
-
2010
- 2010-02-11 CN CN201010121165A patent/CN101813852A/zh active Pending
- 2010-02-11 CN CN2013101422542A patent/CN103197468A/zh active Pending
- 2010-02-19 US US12/709,041 patent/US8208092B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009087879A (ja) * | 2007-10-02 | 2009-04-23 | Sharp Corp | バックライト装置および液晶表示装置 |
JP2009152146A (ja) * | 2007-12-21 | 2009-07-09 | Sharp Corp | 面光源装置および表示装置 |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011003549A (ja) * | 2009-05-20 | 2011-01-06 | Sharp Corp | 光源装置及びこれを備える表示装置、テレビ受像装置 |
US8876350B2 (en) | 2009-05-20 | 2014-11-04 | Sharp Kabushiki Kaisha | Light source device and display device provided with same |
WO2012165282A1 (ja) * | 2011-05-31 | 2012-12-06 | シャープ株式会社 | 照明装置、表示装置、及びテレビ受信装置 |
JP2014038824A (ja) * | 2012-08-16 | 2014-02-27 | Lg Display Co Ltd | バックライトユニット |
KR20140023590A (ko) * | 2012-08-16 | 2014-02-27 | 엘지디스플레이 주식회사 | 백라이트 유닛 |
US9099018B2 (en) | 2012-08-16 | 2015-08-04 | Lg Display Co., Ltd. | Backlight unit |
US9864129B2 (en) | 2012-08-16 | 2018-01-09 | Lg Display Co., Ltd. | Backlight unit |
US10324252B2 (en) | 2012-08-16 | 2019-06-18 | Lg Display Co., Ltd. | Backlight unit |
KR102068955B1 (ko) * | 2012-08-16 | 2020-01-22 | 엘지디스플레이 주식회사 | 백라이트 유닛 |
KR20150105870A (ko) * | 2014-03-10 | 2015-09-18 | 삼성전자주식회사 | 디스플레이 장치 |
KR102208821B1 (ko) * | 2014-03-10 | 2021-01-28 | 삼성전자주식회사 | 디스플레이 장치 |
Also Published As
Publication number | Publication date |
---|---|
CN101813852A (zh) | 2010-08-25 |
CN103197468A (zh) | 2013-07-10 |
JP5236521B2 (ja) | 2013-07-17 |
US8208092B2 (en) | 2012-06-26 |
US20100208171A1 (en) | 2010-08-19 |
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