KR20050022164A - 액정표시장치용 백라이트 유니트 - Google Patents
액정표시장치용 백라이트 유니트 Download PDFInfo
- Publication number
- KR20050022164A KR20050022164A KR1020030058734A KR20030058734A KR20050022164A KR 20050022164 A KR20050022164 A KR 20050022164A KR 1020030058734 A KR1020030058734 A KR 1020030058734A KR 20030058734 A KR20030058734 A KR 20030058734A KR 20050022164 A KR20050022164 A KR 20050022164A
- Authority
- KR
- South Korea
- Prior art keywords
- backlight unit
- lamp
- liquid crystal
- fluorescent lamp
- heat
- Prior art date
Links
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
- G02B6/0081—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
-
- 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
- G02B6/0085—Means for removing heat created by the light source from 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
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)
- Liquid Crystal (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims (4)
- 형광램프가 그의 전극부위가 램프홀더에 감싸진채로 도광판의 측면에 배치되고, 상기 형광램프는 램프반사체로 둘러싸이며, 상기한 구조물이 백커버 및 몰드프레임에 의해 지지되어 액정패널의 하부에 배치되는 액정표시장치용 백라이트 유니트에 있어서,상기 램프홀더는 그 내부에 공기 흐름 경로를 형성하는 적어도 하나 이상의 벤츄리 홀(venturi hole)을 구비한 것을 특징으로 하는 액정표시장치용 백라이트 유니트.
- 제 1 항에 있어서, 상기 벤츄리 홀은 두 개가 구비된 것을 특징으로 하는 액정표시장치용 백라이트 유니트.
- 제 1 항에 있어서, 상기 램프반사체와 접촉하는 몰드프레임 부분에 단열체가 설치된 것을 특징으로 하는 액정표시장치용 백라이트 유니트.
- 제 3 항에 있어서, 상기 단열체는 공간(space), 또는, 단열 쉬트(sheet)인 것을 특징으로 하는 액정표시장치용 백라이트 유니트.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030058734A KR100658079B1 (ko) | 2003-08-25 | 2003-08-25 | 액정표시장치용 백라이트 유니트 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030058734A KR100658079B1 (ko) | 2003-08-25 | 2003-08-25 | 액정표시장치용 백라이트 유니트 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050022164A true KR20050022164A (ko) | 2005-03-07 |
KR100658079B1 KR100658079B1 (ko) | 2006-12-15 |
Family
ID=37230156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020030058734A KR100658079B1 (ko) | 2003-08-25 | 2003-08-25 | 액정표시장치용 백라이트 유니트 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100658079B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100399497C (zh) * | 2005-09-21 | 2008-07-02 | 友达光电股份有限公司 | 荧光灯管及平面灯 |
-
2003
- 2003-08-25 KR KR1020030058734A patent/KR100658079B1/ko active IP Right Grant
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100399497C (zh) * | 2005-09-21 | 2008-07-02 | 友达光电股份有限公司 | 荧光灯管及平面灯 |
Also Published As
Publication number | Publication date |
---|---|
KR100658079B1 (ko) | 2006-12-15 |
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