CN102628565B - 一种直下式背光模组及液晶显示装置 - Google Patents
一种直下式背光模组及液晶显示装置 Download PDFInfo
- Publication number
- CN102628565B CN102628565B CN201210082670.3A CN201210082670A CN102628565B CN 102628565 B CN102628565 B CN 102628565B CN 201210082670 A CN201210082670 A CN 201210082670A CN 102628565 B CN102628565 B CN 102628565B
- Authority
- CN
- China
- Prior art keywords
- light source
- liquid crystal
- diffuser plate
- diffusion barrier
- blooming piece
- 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.)
- Expired - Fee Related
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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
- G02F1/133604—Direct backlight with lamps
-
- 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
- G02F1/133606—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
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)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims (7)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210082670.3A CN102628565B (zh) | 2012-03-26 | 2012-03-26 | 一种直下式背光模组及液晶显示装置 |
US13/512,692 US9052544B2 (en) | 2012-03-26 | 2012-04-12 | Direct-light backlight module and liquid crystal display device |
PCT/CN2012/073922 WO2013143176A1 (zh) | 2012-03-26 | 2012-04-12 | 一种直下式背光模组及液晶显示装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210082670.3A CN102628565B (zh) | 2012-03-26 | 2012-03-26 | 一种直下式背光模组及液晶显示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102628565A CN102628565A (zh) | 2012-08-08 |
CN102628565B true CN102628565B (zh) | 2014-01-15 |
Family
ID=46586887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210082670.3A Expired - Fee Related CN102628565B (zh) | 2012-03-26 | 2012-03-26 | 一种直下式背光模组及液晶显示装置 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN102628565B (zh) |
WO (1) | WO2013143176A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104501029B (zh) * | 2014-11-19 | 2017-09-29 | 青岛歌尔声学科技有限公司 | Led背光模组及消除其亮带灯珠的方法、液晶显示器 |
CN114002880A (zh) * | 2021-10-12 | 2022-02-01 | 惠州视维新技术有限公司 | 一种背光模组及显示设备 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100368893C (zh) * | 2003-04-15 | 2008-02-13 | 奇美电子股份有限公司 | 薄型化直下式背光模块 |
CN100501525C (zh) * | 2003-07-25 | 2009-06-17 | 友达光电股份有限公司 | 直下式背光模块 |
CN2722290Y (zh) * | 2004-03-19 | 2005-08-31 | 力捷电脑股份有限公司 | 直下式背光模组及其扩散片 |
US7887208B2 (en) * | 2005-09-15 | 2011-02-15 | Zeon Corporation | Direct type back-light device |
JP2007294295A (ja) * | 2006-04-26 | 2007-11-08 | Nippon Zeon Co Ltd | 直下型バックライト装置 |
CN100595650C (zh) * | 2007-09-29 | 2010-03-24 | 京东方科技集团股份有限公司 | 背光装置 |
JP2009265380A (ja) * | 2008-04-25 | 2009-11-12 | Kuraray Co Ltd | バックライトおよびバックライト用光学シート |
JP2010015753A (ja) * | 2008-07-02 | 2010-01-21 | Oji Paper Co Ltd | バックライトユニット |
CN201412745Y (zh) * | 2009-06-12 | 2010-02-24 | 华映视讯(吴江)有限公司 | 直下式背光模组及用于背光模组的透光板 |
CN101988682B (zh) * | 2009-07-31 | 2012-10-10 | 苏州向隆塑胶有限公司 | 改善背光模块暗带的结构及其方法 |
CN201866706U (zh) * | 2010-10-20 | 2011-06-15 | 北京京东方光电科技有限公司 | 扩散板及具有该扩散板的背光源和液晶显示器 |
-
2012
- 2012-03-26 CN CN201210082670.3A patent/CN102628565B/zh not_active Expired - Fee Related
- 2012-04-12 WO PCT/CN2012/073922 patent/WO2013143176A1/zh active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CN102628565A (zh) | 2012-08-08 |
WO2013143176A1 (zh) | 2013-10-03 |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Direct type backlight module and liquid crystal display device Effective date of registration: 20190426 Granted publication date: 20140115 Pledgee: Bank of Beijing Limited by Share Ltd Shenzhen branch Pledgor: Shenzhen Huaxing Optoelectronic Technology Co., Ltd. Registration number: 2019440020032 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201016 Granted publication date: 20140115 Pledgee: Bank of Beijing Limited by Share Ltd. Shenzhen branch Pledgor: Shenzhen China Star Optoelectronics Technology Co.,Ltd. Registration number: 2019440020032 |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20210326 |