CN100381903C - 边缘发光型背光系统导光板及用其的边缘发光型背光系统 - Google Patents
边缘发光型背光系统导光板及用其的边缘发光型背光系统 Download PDFInfo
- Publication number
- CN100381903C CN100381903C CNB2004100343347A CN200410034334A CN100381903C CN 100381903 C CN100381903 C CN 100381903C CN B2004100343347 A CNB2004100343347 A CN B2004100343347A CN 200410034334 A CN200410034334 A CN 200410034334A CN 100381903 C CN100381903 C CN 100381903C
- Authority
- CN
- China
- Prior art keywords
- light
- edge
- guide plate
- angle
- light guide
- 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
-
- 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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0018—Redirecting means on the surface 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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
-
- 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
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
Abstract
Description
Claims (18)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR23978/03 | 2003-04-16 | ||
KR23978/2003 | 2003-04-16 | ||
KR10-2003-0023978A KR100506092B1 (ko) | 2003-04-16 | 2003-04-16 | 측면 발광형 백라이트 장치의 도광판 및 이를 채용한 측면발광형 백라이트 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1542522A CN1542522A (zh) | 2004-11-03 |
CN100381903C true CN100381903C (zh) | 2008-04-16 |
Family
ID=33157318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100343347A Expired - Fee Related CN100381903C (zh) | 2003-04-16 | 2004-04-12 | 边缘发光型背光系统导光板及用其的边缘发光型背光系统 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7223010B2 (zh) |
JP (1) | JP4468732B2 (zh) |
KR (1) | KR100506092B1 (zh) |
CN (1) | CN100381903C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI733006B (zh) * | 2017-03-31 | 2021-07-11 | 美商雷亞有限公司 | 採用錐形準直器的背光板、多視角顯示器及方法 |
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- 2004-04-15 US US10/824,477 patent/US7223010B2/en active Active
- 2004-04-16 JP JP2004122096A patent/JP4468732B2/ja not_active Expired - Fee Related
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JP2002169034A (ja) * | 2000-12-01 | 2002-06-14 | Nippon Leiz Co Ltd | 導光板および平面照明装置 |
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TWI733006B (zh) * | 2017-03-31 | 2021-07-11 | 美商雷亞有限公司 | 採用錐形準直器的背光板、多視角顯示器及方法 |
Also Published As
Publication number | Publication date |
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JP4468732B2 (ja) | 2010-05-26 |
US20040207775A1 (en) | 2004-10-21 |
KR100506092B1 (ko) | 2005-08-04 |
US7223010B2 (en) | 2007-05-29 |
JP2004319514A (ja) | 2004-11-11 |
CN1542522A (zh) | 2004-11-03 |
KR20040090070A (ko) | 2004-10-22 |
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