CN104654132A - 一种限制液晶屏视角的背光模块 - Google Patents
一种限制液晶屏视角的背光模块 Download PDFInfo
- Publication number
- CN104654132A CN104654132A CN201510063586.0A CN201510063586A CN104654132A CN 104654132 A CN104654132 A CN 104654132A CN 201510063586 A CN201510063586 A CN 201510063586A CN 104654132 A CN104654132 A CN 104654132A
- Authority
- CN
- China
- Prior art keywords
- light guide
- guide plate
- liquid crystal
- parallel
- triangular prism
- 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.)
- Granted
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 25
- 230000000007 visual effect Effects 0.000 title claims abstract description 8
- 238000005282 brightening Methods 0.000 claims description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 230000000737 periodic effect Effects 0.000 claims description 6
- 238000009792 diffusion process Methods 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000630 rising effect Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
-
- 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)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510063586.0A CN104654132B (zh) | 2015-02-06 | 2015-02-06 | 一种限制液晶屏视角的背光模块 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510063586.0A CN104654132B (zh) | 2015-02-06 | 2015-02-06 | 一种限制液晶屏视角的背光模块 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104654132A true CN104654132A (zh) | 2015-05-27 |
CN104654132B CN104654132B (zh) | 2017-05-31 |
Family
ID=53245575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510063586.0A Active CN104654132B (zh) | 2015-02-06 | 2015-02-06 | 一种限制液晶屏视角的背光模块 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104654132B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9905142B2 (en) | 2016-01-28 | 2018-02-27 | International Business Machines Corporation | Uni-directional and multi-directional interchangeable screen |
CN113867051A (zh) * | 2021-10-26 | 2021-12-31 | 深圳市锐思华创技术有限公司 | 一种高亮度且可控发光展角的背光模组 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1417625A (zh) * | 2001-11-08 | 2003-05-14 | 株式会社日立制作所 | 背照明装置和用背照明装置的液晶显示装置及其制造方法 |
US20050180145A1 (en) * | 2004-02-16 | 2005-08-18 | Citizen Electronics Co., Ltd. | Planar light source |
CN1836178A (zh) * | 2003-08-15 | 2006-09-20 | 皇家飞利浦电子股份有限公司 | 背灯装置 |
CN2821613Y (zh) * | 2005-07-08 | 2006-09-27 | 迎辉科技股份有限公司 | 具强化构造的聚光片 |
JP2012033276A (ja) * | 2010-07-28 | 2012-02-16 | Minebea Co Ltd | 面状照明装置 |
CN204534282U (zh) * | 2015-02-06 | 2015-08-05 | 安徽师范大学 | 能减小出光角度的液晶屏背光模块 |
-
2015
- 2015-02-06 CN CN201510063586.0A patent/CN104654132B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1417625A (zh) * | 2001-11-08 | 2003-05-14 | 株式会社日立制作所 | 背照明装置和用背照明装置的液晶显示装置及其制造方法 |
CN1836178A (zh) * | 2003-08-15 | 2006-09-20 | 皇家飞利浦电子股份有限公司 | 背灯装置 |
US20050180145A1 (en) * | 2004-02-16 | 2005-08-18 | Citizen Electronics Co., Ltd. | Planar light source |
CN2821613Y (zh) * | 2005-07-08 | 2006-09-27 | 迎辉科技股份有限公司 | 具强化构造的聚光片 |
JP2012033276A (ja) * | 2010-07-28 | 2012-02-16 | Minebea Co Ltd | 面状照明装置 |
CN204534282U (zh) * | 2015-02-06 | 2015-08-05 | 安徽师范大学 | 能减小出光角度的液晶屏背光模块 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9905142B2 (en) | 2016-01-28 | 2018-02-27 | International Business Machines Corporation | Uni-directional and multi-directional interchangeable screen |
CN113867051A (zh) * | 2021-10-26 | 2021-12-31 | 深圳市锐思华创技术有限公司 | 一种高亮度且可控发光展角的背光模组 |
Also Published As
Publication number | Publication date |
---|---|
CN104654132B (zh) | 2017-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhu Zichen Inventor after: Xing Xiaoyu Inventor after: Yang Hongyun Inventor after: Zhu Xiangbing Inventor before: Xing Xiaoyu Inventor before: Yang Hongyun Inventor before: Zhu Xiangbing |
|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20191209 Address after: 213031, No. two, 88 Hsinchu Road, Xinbei District, Jiangsu, Changzhou Patentee after: Changzhou Tianlu Display Technology Co., Ltd Address before: 241002 No. 2 Hua Jin South Road, Yijiang District, Anhui, Wuhu Patentee before: Anhui Normal University |