CN101101407B - 液晶显示装置的背光单元 - Google Patents
液晶显示装置的背光单元 Download PDFInfo
- Publication number
- CN101101407B CN101101407B CN2007101263964A CN200710126396A CN101101407B CN 101101407 B CN101101407 B CN 101101407B CN 2007101263964 A CN2007101263964 A CN 2007101263964A CN 200710126396 A CN200710126396 A CN 200710126396A CN 101101407 B CN101101407 B CN 101101407B
- Authority
- CN
- China
- Prior art keywords
- light
- groove
- guide member
- light guide
- width
- 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.)
- Active
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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
-
- 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
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
-
- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
Description
角度(°) | -60 | -40 | -20 | 0 | 20 | 40 | 60 |
光强度(%) | 50 | 75 | 95 | 100 | 95 | 75 | 50 |
宽度(μm) | 30 | 25 | 21 | 20 | 21 | 25 | 30 |
深度(μm) | 1.5 | 1.25 | 1.05 | 1 | 1.05 | 1.25 | 1.5 |
Claims (7)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060062737 | 2006-07-04 | ||
KR1020060062737A KR100784021B1 (ko) | 2006-07-04 | 2006-07-04 | 액정 표시 장치의 백라이트 유니트 |
KR10-2006-0062737 | 2006-07-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101101407A CN101101407A (zh) | 2008-01-09 |
CN101101407B true CN101101407B (zh) | 2011-05-04 |
Family
ID=38537663
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007101263964A Active CN101101407B (zh) | 2006-07-04 | 2007-07-03 | 液晶显示装置的背光单元 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20080043488A1 (zh) |
EP (1) | EP1876480B1 (zh) |
JP (1) | JP4374365B2 (zh) |
KR (1) | KR100784021B1 (zh) |
CN (1) | CN101101407B (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7871172B2 (en) * | 2008-07-11 | 2011-01-18 | Hon Hai Precision Industry Co., Ltd. | Diffusion plate and backlight module using same |
KR101494450B1 (ko) * | 2008-10-08 | 2015-02-16 | 삼성디스플레이 주식회사 | 액정 표시 장치 |
US7931396B2 (en) * | 2008-12-10 | 2011-04-26 | Sharp Kabushiki Kaisha | Backlight and display |
WO2011039896A1 (ja) * | 2009-09-30 | 2011-04-07 | シャープ株式会社 | 光源モジュール、及びそれを備えた電子機器 |
CN102289025B (zh) * | 2011-07-20 | 2013-07-24 | 深圳市华星光电技术有限公司 | 导光板及背光模块 |
US8821002B2 (en) | 2011-07-20 | 2014-09-02 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Light guide plate and backlight module |
KR20160072603A (ko) * | 2014-12-15 | 2016-06-23 | 삼성전자주식회사 | 백라이트 장치 및 이를 갖는 디스플레이 장치 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW331593B (en) * | 1996-05-13 | 1998-05-11 | Konika Co Ltd | Planer light source device and light guide plate |
US5999685A (en) * | 1997-02-07 | 1999-12-07 | Sanyo Electric Co., Ltd. | Light guide plate and surface light source using the light guide plate |
TW426158U (en) * | 1999-01-07 | 2001-03-11 | Ind Tech Res Inst | Backlight source apparatus |
US6845212B2 (en) * | 1999-10-08 | 2005-01-18 | 3M Innovative Properties Company | Optical element having programmed optical structures |
CN100350308C (zh) | 2000-07-11 | 2007-11-21 | 3M创新有限公司 | 光导 |
US6576887B2 (en) * | 2001-08-15 | 2003-06-10 | 3M Innovative Properties Company | Light guide for use with backlit display |
JP2003140126A (ja) * | 2001-10-31 | 2003-05-14 | Hitachi Ltd | 液晶表示装置 |
KR20010106393A (ko) | 2001-11-12 | 2001-11-29 | 윤효철 | 백라이트 장치 |
US7052168B2 (en) * | 2003-12-17 | 2006-05-30 | 3M Innovative Properties Company | Illumination device |
-
2006
- 2006-07-04 KR KR1020060062737A patent/KR100784021B1/ko active IP Right Grant
- 2006-10-18 JP JP2006283801A patent/JP4374365B2/ja active Active
-
2007
- 2007-03-23 US US11/727,162 patent/US20080043488A1/en not_active Abandoned
- 2007-05-23 EP EP07252113.1A patent/EP1876480B1/en active Active
- 2007-07-03 CN CN2007101263964A patent/CN101101407B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US20080043488A1 (en) | 2008-02-21 |
JP4374365B2 (ja) | 2009-12-02 |
JP2008016425A (ja) | 2008-01-24 |
EP1876480A1 (en) | 2008-01-09 |
KR100784021B1 (ko) | 2007-12-10 |
CN101101407A (zh) | 2008-01-09 |
EP1876480B1 (en) | 2013-05-01 |
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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 | ||
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20090109 Address after: Gyeonggi Do Korea Suwon Applicant after: Samsung Mobile Display Co., Ltd. Address before: Gyeonggi Do Korea Suwon Applicant before: Samsung SDI Co., Ltd. |
|
ASS | Succession or assignment of patent right |
Owner name: SAMSUNG MOBILE DISPLAY CO., LTD. Free format text: FORMER OWNER: SAMSUNG SDI CO., LTD. Effective date: 20090109 |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SAMSUNG DISPLAY CO., LTD. Free format text: FORMER OWNER: SAMSUNG MOBILE DISPLAY CO., LTD. Effective date: 20121107 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20121107 Address after: South Korea Gyeonggi Do Yongin Patentee after: Samsung Display Co., Ltd. Address before: Gyeonggi Do Korea Suwon Patentee before: Samsung Mobile Display Co., Ltd. |