KR100966274B1 - 방출 광계가 보상되는 광 가이드 플레이트 - Google Patents
방출 광계가 보상되는 광 가이드 플레이트 Download PDFInfo
- Publication number
- KR100966274B1 KR100966274B1 KR1020070121972A KR20070121972A KR100966274B1 KR 100966274 B1 KR100966274 B1 KR 100966274B1 KR 1020070121972 A KR1020070121972 A KR 1020070121972A KR 20070121972 A KR20070121972 A KR 20070121972A KR 100966274 B1 KR100966274 B1 KR 100966274B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- guide plate
- emitting surface
- light emitting
- guide
- Prior art date
Links
- 230000001788 irregular Effects 0.000 claims abstract description 7
- 238000013459 approach Methods 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims 1
- 230000007704 transition Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
Images
Classifications
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- 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
- G02B6/0013—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
-
- 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
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- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims (2)
- 다수의 광-가이드 구조물이 형성되는 광 반사 표면 및 광 방출 표면을 포함하는 광 가이드 플레이트로서:상기 광 반사 표면에 형성되는 광-가이드 구조물은 광원에 평행하게 정렬되며, 상기 광 방출 표면에 형성되는 광-가이드 구조물은 광 가이드 플레이트로 광을 제공하도록 정렬된 광원의 길이방향에 수직한 방향을 따라 연장하며 V-자 형상인 단면을 가지며, 상기 광 방출 표면의 길이방향을 따라 대향하는 단부에 접근할수록 긴 경사 측면 및 짧은 경사 측면에 의해 형성되는 불규칙적인 V-자 형상 단면을 각각 가지며, 상기 긴 경사 측면 및 짧은 경사 측면은 각각 상기 광 방출 표면에 대해 제 1 경사 각도 및 제 2 경사 각도를 형성하며, 상기 제 1 경사 각도가 상기 제 2 경사 각도 보다 작으며,연관된 광-가이드 구조물들이 상기 광 방출 표면의 길이방향을 따라 대향하는 단부에 접근할수록 상기 단부방향 광-가이드 구조물들의 제 1 경사 각도가 작아지도록, 상기 단부방향 광-가이드 구조물들이 정렬되는,광 가이드 플레이트.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070121972A KR100966274B1 (ko) | 2007-11-28 | 2007-11-28 | 방출 광계가 보상되는 광 가이드 플레이트 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070121972A KR100966274B1 (ko) | 2007-11-28 | 2007-11-28 | 방출 광계가 보상되는 광 가이드 플레이트 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090055186A KR20090055186A (ko) | 2009-06-02 |
KR100966274B1 true KR100966274B1 (ko) | 2010-06-28 |
Family
ID=40986894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070121972A KR100966274B1 (ko) | 2007-11-28 | 2007-11-28 | 방출 광계가 보상되는 광 가이드 플레이트 |
Country Status (1)
Country | Link |
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KR (1) | KR100966274B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102264379B1 (ko) * | 2014-02-05 | 2021-06-15 | 엘지이노텍 주식회사 | 광학 부재 및 이를 이용하는 조명 장치 |
DE102019129339A1 (de) * | 2019-10-30 | 2021-05-06 | HELLA GmbH & Co. KGaA | Beleuchtungsvorrichtung für Fahrzeuge |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990037080A (ko) * | 1997-10-15 | 1999-05-25 | 고이께 야스히로 | 측광형 면광원장치 |
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2007
- 2007-11-28 KR KR1020070121972A patent/KR100966274B1/ko not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990037080A (ko) * | 1997-10-15 | 1999-05-25 | 고이께 야스히로 | 측광형 면광원장치 |
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Publication number | Publication date |
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KR20090055186A (ko) | 2009-06-02 |
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