KR100373442B1 - 광반사 구조체를 갖는 도광판 - Google Patents
광반사 구조체를 갖는 도광판 Download PDFInfo
- Publication number
- KR100373442B1 KR100373442B1 KR10-2000-0059683A KR20000059683A KR100373442B1 KR 100373442 B1 KR100373442 B1 KR 100373442B1 KR 20000059683 A KR20000059683 A KR 20000059683A KR 100373442 B1 KR100373442 B1 KR 100373442B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- guide plate
- light guide
- shaped groove
- reflection structure
- Prior art date
Links
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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, sheet or layer
-
- 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
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- 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
Abstract
Description
휘도(cd/㎡) | 상대치(%) | |
X축만 가공한 도광판 | 2090 | 100.0 |
X-Y축으로 가공한 도광판 | 2190 | 104.8 |
휘도(cd/㎡) | 상대치(%) | |
인쇄방식에 의한 도광판 | 1810 | 100 |
사출방식에 의한 도광판 | 1980 | 109.4 |
본 발명의 v-커팅방식에 의한 도광판 | 2190 | 121 |
Claims (4)
- 일측면에 미세형광등을 갖는 광반사 구조체를 갖는 도광판에 있어서,상기 도광판(2)의 뒷면에 다이아몬드 커팅기에 의해 V형 홈부(10)가 초세관 형광등에서 멀어지면서 간격이 좁아지게 형성되고, 상기 V형 홈부(10)의 내측면에 빛 산란용 요철부(17)가 형성됨을 특징으로 하는 광반사 구조체를 갖는 도광판.
- 제 1 항에 있어서, 상기 요철부(17)를 갖는 V형 홈부(10)가 도광판(2)에 X축 및 Y축으로 교차되게 형성됨을 특징으로 하는 광반사 구조체를 갖는 도광판.
- 제 1 항 또는 제 2 항에 있어서, 상기 V형 홈부가 70。∼80。의 기울기를 갖는 것을 특징으로 하는 광반사 구조체를 갖는 도광판.
- 제 2 항에 있어서, 상기 요철부(17)를 갖는 V형 홈부(10)가 Y축의 양끝단측으로 갈수록 좁아지게 형성됨을 특징으로 하는 광반사 구조체를 갖는 도광판.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0059683A KR100373442B1 (ko) | 2000-10-11 | 2000-10-11 | 광반사 구조체를 갖는 도광판 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0059683A KR100373442B1 (ko) | 2000-10-11 | 2000-10-11 | 광반사 구조체를 갖는 도광판 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2020000028313U Division KR200215497Y1 (ko) | 2000-10-11 | 2000-10-11 | 광반사 구조체를 갖는 도광판 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020028595A KR20020028595A (ko) | 2002-04-17 |
KR100373442B1 true KR100373442B1 (ko) | 2003-03-03 |
Family
ID=19692886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2000-0059683A KR100373442B1 (ko) | 2000-10-11 | 2000-10-11 | 광반사 구조체를 갖는 도광판 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100373442B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020036455A (ko) * | 2000-11-10 | 2002-05-16 | 유성종 | 무인쇄용 패턴을 갖는 lcd용 도광판 |
KR100736915B1 (ko) * | 2000-12-29 | 2007-07-10 | 현대엘씨디주식회사 | 엘씨디 모듈의 라이팅 가이드 |
-
2000
- 2000-10-11 KR KR10-2000-0059683A patent/KR100373442B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR20020028595A (ko) | 2002-04-17 |
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