KR100857990B1 - 액정표시장치의 백라이트유니트 구조 - Google Patents
액정표시장치의 백라이트유니트 구조 Download PDFInfo
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- KR100857990B1 KR100857990B1 KR1020020046034A KR20020046034A KR100857990B1 KR 100857990 B1 KR100857990 B1 KR 100857990B1 KR 1020020046034 A KR1020020046034 A KR 1020020046034A KR 20020046034 A KR20020046034 A KR 20020046034A KR 100857990 B1 KR100857990 B1 KR 100857990B1
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- lamp
- liquid crystal
- crystal display
- reflector
- backlight
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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
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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
- G02F1/133602—Direct backlight
- G02F1/133604—Direct backlight with lamps
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
- Planar Illumination Modules (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
23: 백라이트 램프 유니트 23a : 램프
본 발명에 따르면, 상기 반사판(27)은 상기 램프(23a)와 일체로 회전되거나, 상기 반사판(27)이 상기 램프(23a)와 분리되어 독립적으로 회전된다.
본 발명에 따르면, 상기 반사판은 상기 개구를 통해 배출되는 빛이 게이트 신호가 인가되는 게이트 라인 바로 밑 부분을 비출 수 있는 회전속도를 가진다.
본 발명에 따르면, 상기 반사판의 회전 속도는 게이트 스캐닝 속도에 동기화된다.
본 발명에 따른 상기 백라이트 유니트 구조는 회전구동장치(31)를 더 포함하고, 상기 회전구동장치(31)는 상기 램프(23a)와 상기 반사판(27)을 일체로 회전시키거나 상기 반사판(27)만을 독립적으로 회전시킨다.
각 백라이트 램프 유니트(23)는 도 3 에서 보이는 바와 같이 램프(23a)와 반사판(27)을 포함한다. 반사판(27)은 램프(23a)의 주위를 둘러싸는, 길이방향으로 개구가 형성된 원통 형상으로, 상기 개구를 통해 빛이 배출되어 패널(25)의 디스플레이 영역(29)에 빛이 집중될 수 있도록 구성된다. 반사판(27)은 램프(23a)로부터 일정 영역만큼 이격되어 있으며, 백라이트 램프 유니트(23), 즉 램프(23a)와 반사판(27)은 회전구동장치(31)에 의해 일체로 회전한다.
Claims (6)
- 패널 하부에 장착되는 액정표시장치의 직하형 백라이트 유니트 구조에 있어서,상기 백라이트 유니트 구조(21)는 적어도 하나의 백라이트 램프 유니트(23)를 포함하고,상기 백라이트 램프 유니트(23)는,램프(23a); 및상기 램프(23a) 주위를 둘러싸고 회전가능하게 설치되며 길이 방향으로 개구가 형성된 반사판(27)을 포함하는 것을 특징으로 하는 액정표시장치의 백라이트 유니트 구조.
- 제 1 항에 있어서,상기 반사판(27)은 상기 램프(23a)와 일체로 회전되거나, 상기 반사판(27)이 상기 램프(23a)와 분리되어 독립적으로 회전되는 것을 특징으로 하는 액정표시장치의 백라이트 유니트 구조.
- 제 1 항 또는 제 2 항에 있어서,상기 반사판은 상기 개구를 통해 배출되는 빛이 게이트 신호가 인가되는 게이트 라인 바로 밑 부분을 비출 수 있는 회전속도를 가지는 것을 특징으로 하는 액정표시장치의 백라이트 유니트 구조.
- 제 1 항 또는 제 2 항에 있어서,상기 반사판의 회전 속도는 게이트 스캐닝 속도에 동기화되는 것을 특징으로 하는 액정표시장치의 백라이트 유니트 구조.
- 제 2 항에 있어서,상기 백라이트 유니트 구조(21)는 회전구동장치(31)를 더 포함하고,상기 회전구동장치(31)는 상기 램프(23a)와 상기 반사판(27)을 일체로 회전시키거나 상기 반사판(27)만을 독립적으로 회전시키는 것을 특징으로 하는 액정표시장치의 백라이트 유니트 구조.
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020046034A KR100857990B1 (ko) | 2002-08-05 | 2002-08-05 | 액정표시장치의 백라이트유니트 구조 |
JP2003286505A JP4131688B2 (ja) | 2002-08-05 | 2003-08-05 | 液晶表示装置のバックライトユニット構造 |
TW092121349A TWI259302B (en) | 2002-08-05 | 2003-08-05 | Backlight unit structure for liquid crystal display |
US10/634,392 US6926419B2 (en) | 2002-08-05 | 2003-08-05 | Backlight unit structure for liquid crystal display |
CNB031327826A CN1332255C (zh) | 2002-08-05 | 2003-08-05 | 液晶显示装置的背照光组件构造 |
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KR1020020046034A KR100857990B1 (ko) | 2002-08-05 | 2002-08-05 | 액정표시장치의 백라이트유니트 구조 |
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KR20040013205A KR20040013205A (ko) | 2004-02-14 |
KR100857990B1 true KR100857990B1 (ko) | 2008-09-10 |
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US (1) | US6926419B2 (ko) |
JP (1) | JP4131688B2 (ko) |
KR (1) | KR100857990B1 (ko) |
CN (1) | CN1332255C (ko) |
TW (1) | TWI259302B (ko) |
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KR100476369B1 (ko) * | 2002-12-30 | 2005-03-17 | 엘지.필립스 엘시디 주식회사 | 백라이트 유니트 및 이를 이용한 액정표시장치의 구동장치 |
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2002
- 2002-08-05 KR KR1020020046034A patent/KR100857990B1/ko active IP Right Grant
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2003
- 2003-08-05 US US10/634,392 patent/US6926419B2/en not_active Expired - Lifetime
- 2003-08-05 JP JP2003286505A patent/JP4131688B2/ja not_active Expired - Lifetime
- 2003-08-05 CN CNB031327826A patent/CN1332255C/zh not_active Expired - Lifetime
- 2003-08-05 TW TW092121349A patent/TWI259302B/zh not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH06149162A (ja) * | 1992-11-02 | 1994-05-27 | Toshiba Corp | 照明装置 |
KR20000003311A (ko) * | 1998-06-27 | 2000-01-15 | 윤종용 | 백라이트의 휘도조절용 램프 어셈블리 |
KR20000018710A (ko) * | 1998-09-04 | 2000-04-06 | 윤종용 | 엘씨디 모듈 |
JP5188372B2 (ja) * | 2008-11-26 | 2013-04-24 | 株式会社デンソーアイティーラボラトリ | 情報提示装置、方法およびプログラム |
Also Published As
Publication number | Publication date |
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US6926419B2 (en) | 2005-08-09 |
CN1332255C (zh) | 2007-08-15 |
US20040047141A1 (en) | 2004-03-11 |
JP2004087489A (ja) | 2004-03-18 |
TW200402564A (en) | 2004-02-16 |
CN1495482A (zh) | 2004-05-12 |
TWI259302B (en) | 2006-08-01 |
KR20040013205A (ko) | 2004-02-14 |
JP4131688B2 (ja) | 2008-08-13 |
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