KR100611552B1 - 액정표시장치용 백라이트 유니트 - Google Patents
액정표시장치용 백라이트 유니트 Download PDFInfo
- Publication number
- KR100611552B1 KR100611552B1 KR1019990000742A KR19990000742A KR100611552B1 KR 100611552 B1 KR100611552 B1 KR 100611552B1 KR 1019990000742 A KR1019990000742 A KR 1019990000742A KR 19990000742 A KR19990000742 A KR 19990000742A KR 100611552 B1 KR100611552 B1 KR 100611552B1
- Authority
- KR
- South Korea
- Prior art keywords
- light guide
- guide plate
- light
- liquid crystal
- crystal display
- 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
- 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
- G02B6/0038—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
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
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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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
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)
Abstract
Description
Claims (3)
- 램프 리플렉터에 의해 감싸지는 램프;연속 적층된 상태로 상기 램프 리플렉터에 밀착하여 삽입되며, 상기 램프로부터 출력되는 빛을 전면으로 전달하는 제 1 도광판 및 제 2 도광판;상기 제 1 도광판 및 제 2 도광판의 전면에 배치되며, 상기 제 1 도광판 및 제 2 도광판에 의해 도광되는 빛을 액정패널로 전달하는 시트류들을 포함하며,상기 제 1 도광판 및 제2 도광판은 각각 일정한 두께를 가지며, 서로 밀착되는 상기 제 1 도광판의 하부와 상기 제 2 도광판의 상부에는 출력되는 빛의 균일성을 향상시키기 위한 패턴구조물이 형성된 것을 특징으로 하는 액정표시장치용 백라이트 유니트.
- 삭제
- 제 1 항에 있어서, 상기 패턴구조물은 상기 제 1 도광판의 하부 및 상기 제 2 도광판의 하부에 각각 형성된 것을 특징으로 하는 액정표시장치용 백라이트 유니트.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990000742A KR100611552B1 (ko) | 1999-01-13 | 1999-01-13 | 액정표시장치용 백라이트 유니트 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990000742A KR100611552B1 (ko) | 1999-01-13 | 1999-01-13 | 액정표시장치용 백라이트 유니트 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20000050696A KR20000050696A (ko) | 2000-08-05 |
| KR100611552B1 true KR100611552B1 (ko) | 2006-08-10 |
Family
ID=19571203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019990000742A Expired - Fee Related KR100611552B1 (ko) | 1999-01-13 | 1999-01-13 | 액정표시장치용 백라이트 유니트 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100611552B1 (ko) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100896832B1 (ko) * | 2002-10-10 | 2009-05-12 | 하이디스 테크놀로지 주식회사 | 액정표시장치의 백라이트 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05142540A (ja) * | 1991-11-18 | 1993-06-11 | Alps Electric Co Ltd | 液晶表示装置 |
| JPH08146231A (ja) * | 1994-11-21 | 1996-06-07 | Casio Comput Co Ltd | バックライト装置 |
| JPH08160205A (ja) * | 1994-12-12 | 1996-06-21 | Sekisui Chem Co Ltd | 光拡散シート |
| JPH09330609A (ja) * | 1995-12-05 | 1997-12-22 | Matsushita Electric Ind Co Ltd | バックライト装置及びカラー表示装置 |
| JPH10275509A (ja) * | 1997-03-28 | 1998-10-13 | Toshiba Corp | バックライト装置 |
-
1999
- 1999-01-13 KR KR1019990000742A patent/KR100611552B1/ko not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05142540A (ja) * | 1991-11-18 | 1993-06-11 | Alps Electric Co Ltd | 液晶表示装置 |
| JPH08146231A (ja) * | 1994-11-21 | 1996-06-07 | Casio Comput Co Ltd | バックライト装置 |
| JPH08160205A (ja) * | 1994-12-12 | 1996-06-21 | Sekisui Chem Co Ltd | 光拡散シート |
| JPH09330609A (ja) * | 1995-12-05 | 1997-12-22 | Matsushita Electric Ind Co Ltd | バックライト装置及びカラー表示装置 |
| JPH10275509A (ja) * | 1997-03-28 | 1998-10-13 | Toshiba Corp | バックライト装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20000050696A (ko) | 2000-08-05 |
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