KR100634756B1 - 측면에 산란패턴이 형성된 도광판을 갖는 액정표시장치 - Google Patents
측면에 산란패턴이 형성된 도광판을 갖는 액정표시장치 Download PDFInfo
- Publication number
- KR100634756B1 KR100634756B1 KR1020000065540A KR20000065540A KR100634756B1 KR 100634756 B1 KR100634756 B1 KR 100634756B1 KR 1020000065540 A KR1020000065540 A KR 1020000065540A KR 20000065540 A KR20000065540 A KR 20000065540A KR 100634756 B1 KR100634756 B1 KR 100634756B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- liquid crystal
- guide plate
- light guide
- backlight assembly
- 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 - Lifetime
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Classifications
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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
- G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
-
- 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
- G02B6/0033—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
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- 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 (5)
- a) 광을 발생시키는 광원, b) 상기 광원의 일 측에 형성되고, 광이 유입되는 입광부와 방출되는 출사면, 상기 출사면에 대향하는 배면, 양 단부에 위치하는 측면으로 구성되어 상기 광원으로부터 발생된 광을 상기 출사면 방향으로 균일하게 출사시키는 산란 패턴이 상기 배면 및 측면에 형성되어 있는 도광판, c) 상기 도광판의 하부에 구비되고, 상기 배면에서 누출된 광을 상기 출사면쪽으로 반사키는 반사판을 구비하는 백라이트 어셈블리;상기 백라이트 어셈블리 위에 구비된 액정 패널; 및상기 백라이트 어셈블리 및 상기 액정 패널을 수용하기 위한 몰드 프레임을 포함하는 것을 특징으로 하는 액정표시장치.
- 제 1항에 있어서, 상기 산란패턴은 도트형상을 갖는 것을 특징으로 하는 액정표시장치.
- 제 1항에 있어서, 상기 측면에 형성된 산란패턴은 상기 입광부에서 멀수록 분포밀도가 커지는 것을 특징으로 하는 액정표시장치.
- 제 1항에 있어서, 상기 측면이 상기 배면 및 출사면에 대하여 경사진 것을 특징으로 하는 액정표시장치.
- 제 1항에 있어서, 상기 측면의 외측에 형성되어 있는 반사판을 더 포함하는 것을 특징으로 하는 액정표시장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000065540A KR100634756B1 (ko) | 2000-11-06 | 2000-11-06 | 측면에 산란패턴이 형성된 도광판을 갖는 액정표시장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000065540A KR100634756B1 (ko) | 2000-11-06 | 2000-11-06 | 측면에 산란패턴이 형성된 도광판을 갖는 액정표시장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020035304A KR20020035304A (ko) | 2002-05-11 |
KR100634756B1 true KR100634756B1 (ko) | 2006-10-16 |
Family
ID=19697384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020000065540A Expired - Lifetime KR100634756B1 (ko) | 2000-11-06 | 2000-11-06 | 측면에 산란패턴이 형성된 도광판을 갖는 액정표시장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100634756B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100929683B1 (ko) * | 2005-04-01 | 2009-12-03 | 삼성전자주식회사 | 표시 장치 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5658678U (ko) * | 1980-09-16 | 1981-05-20 | ||
JPS61123406U (ko) * | 1985-01-22 | 1986-08-04 | ||
JPH08327805A (ja) * | 1995-06-02 | 1996-12-13 | Matsushita Electric Ind Co Ltd | 光拡散板及びその製造方法及びそれを用いた透過型投写スクリーン |
JPH09145932A (ja) * | 1995-11-24 | 1997-06-06 | Konica Corp | バックライト及び光学シート |
JP2000113708A (ja) * | 1998-10-02 | 2000-04-21 | Toshiba Chem Corp | 照明装置 |
-
2000
- 2000-11-06 KR KR1020000065540A patent/KR100634756B1/ko not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5658678U (ko) * | 1980-09-16 | 1981-05-20 | ||
JPS61123406U (ko) * | 1985-01-22 | 1986-08-04 | ||
JPH08327805A (ja) * | 1995-06-02 | 1996-12-13 | Matsushita Electric Ind Co Ltd | 光拡散板及びその製造方法及びそれを用いた透過型投写スクリーン |
JPH09145932A (ja) * | 1995-11-24 | 1997-06-06 | Konica Corp | バックライト及び光学シート |
JP2000113708A (ja) * | 1998-10-02 | 2000-04-21 | Toshiba Chem Corp | 照明装置 |
Also Published As
Publication number | Publication date |
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KR20020035304A (ko) | 2002-05-11 |
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