CN1292267C - 光导板及其制造方法 - Google Patents
光导板及其制造方法 Download PDFInfo
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- CN1292267C CN1292267C CN200310102659.XA CN200310102659A CN1292267C CN 1292267 C CN1292267 C CN 1292267C CN 200310102659 A CN200310102659 A CN 200310102659A CN 1292267 C CN1292267 C CN 1292267C
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Images
Classifications
-
- 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
- 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
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
- G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
-
- 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
- G02B6/0065—Manufacturing aspects; Material aspects
Abstract
Description
实施例 | 平均亮度 |
带三个散射片的常规光导板 | 3458 |
带有一个散射片和一个棱镜片的常规光导板 | 4423 |
带有一个散射片、一个棱镜片和DBEF膜的常规光导板 | 2824 |
本发明的光反射面之间夹角为82.5°的光导板 | 8709 |
本发明的带有一个散射片的光导板 | 4950 |
Claims (37)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20030004629 | 2003-01-23 | ||
KR4629/2003 | 2003-01-23 | ||
KR4629/03 | 2003-01-23 | ||
KR1020030042603A KR100692203B1 (ko) | 2003-01-23 | 2003-06-27 | 도광판, 이의 제조 방법, 이를 이용한 백라이트 어셈블리및 이를 이용한 액정표시장치 |
KR42603/2003 | 2003-06-27 | ||
KR42603/03 | 2003-06-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1517724A CN1517724A (zh) | 2004-08-04 |
CN1292267C true CN1292267C (zh) | 2006-12-27 |
Family
ID=32737761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200310102659.XA Expired - Fee Related CN1292267C (zh) | 2003-01-23 | 2003-10-28 | 光导板及其制造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7478942B2 (zh) |
JP (1) | JP4593120B2 (zh) |
CN (1) | CN1292267C (zh) |
Families Citing this family (80)
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JPH11219611A (ja) * | 1998-01-30 | 1999-08-10 | Sony Corp | 照明装置 |
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JP2000067624A (ja) * | 1998-08-13 | 2000-03-03 | Mitsubishi Chemicals Corp | 面光源装置 |
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KR20010074133A (ko) * | 2001-03-30 | 2001-08-04 | 고경진 | 백라이트용 도광판 |
US6843587B2 (en) * | 2002-05-11 | 2005-01-18 | Ls Tech Co., Ltd. | Surface light source apparatus, and method and apparatus for manufacturing the same |
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2003
- 2003-08-26 US US10/648,523 patent/US7478942B2/en not_active Expired - Lifetime
- 2003-10-28 CN CN200310102659.XA patent/CN1292267C/zh not_active Expired - Fee Related
-
2004
- 2004-01-23 JP JP2004015856A patent/JP4593120B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1517724A (zh) | 2004-08-04 |
US20040145915A1 (en) | 2004-07-29 |
JP2004228092A (ja) | 2004-08-12 |
JP4593120B2 (ja) | 2010-12-08 |
US7478942B2 (en) | 2009-01-20 |
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