KR100660047B1 - 액정표시장치 백라이트 유닛용 도광판 및 이를 포함하는액정표시장치 백라이트 유닛과 액정표시장치 - Google Patents
액정표시장치 백라이트 유닛용 도광판 및 이를 포함하는액정표시장치 백라이트 유닛과 액정표시장치 Download PDFInfo
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- KR100660047B1 KR100660047B1 KR1020050116351A KR20050116351A KR100660047B1 KR 100660047 B1 KR100660047 B1 KR 100660047B1 KR 1020050116351 A KR1020050116351 A KR 1020050116351A KR 20050116351 A KR20050116351 A KR 20050116351A KR 100660047 B1 KR100660047 B1 KR 100660047B1
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- South Korea
- Prior art keywords
- light
- light guide
- liquid crystal
- crystal display
- auxiliary
- 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.)
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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
-
- 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
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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
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
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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
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
- H01J61/76—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a filling of permanent gas or gases only
- H01J61/78—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a filling of permanent gas or gases only with cold cathode; with cathode heated only by discharge, e.g. high-tension lamp for advertising
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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 (13)
- 측면에서 입사되는 빛을 균일한 면광으로 변환해 상면으로 출사시키는 주도광부; 및상기 주도광부의 빛이 입사되는 측면에 배치되며, 상기 주도광부의 측면과 인접하는 제1면, 상기 제1면과 평행하고 상기 제1면의 높이 보다 더 큰 높이를 가지며 광원부에 인접하여 빛이 입사되는 제2면, 및 상기 제1면과 제2면을 연결하는 연결면들이 구비되는 보조도광부를 포함하는 액정표시장치 백라이트 유닛용 도광판.
- 측면에서 입사되는 빛을 균일한 면광으로 변환해 상면으로 출사시키는 주도광부; 및상기 주도광부의 빛이 입사되는 측면에 배치되며, 상기 주도광부의 측면과 인접하는 제1면, 상기 제1면과 경사를 이루고 상기 제1면의 높이보다 큰 폭을 가지며 광원부에 인접하여 빛이 입사되는 제2면, 상기 제1면과 제2면을 연결하는 연결면들이 구비되는 보조도광부를 포함하는 액정표시장치 백라이트 유닛용 도광판.
- 제 1 항 또는 제 2 항에 있어서,상기 보조도광부의 연결면들에는 빛을 반사시키는 반사면 처리가 되어 있는 것을 특징으로 하는 액정표시장치 백라이트 유닛용 도광판.
- 제 1 항 또는 제 2 항에 있어서,상기 주도광부의 상기 상면에 대향하는 하면에는 도트(dot)가 형성되어 있고, 상기 도트 내부에는 소정의 형상을 가지는 도형이 형성되어 있는 것을 특징으로 하는 액정표시장치 백라이트 유닛용 도광판.
- 제 4 항에 있어서,상기 도형은 프리즘 형상인 것을 특징으로 하는 액정표시장치 백라이트 유닛용 도광판.
- 제 1 항 또는 제 2 항에 있어서,상기 보조도광부의 연결면들은 평면 또는 곡면으로 이루어지거나 이들의 조합으로 이루어지는 것을 특징으로 하는 액정표시장치 백라이트 유닛용 도광판.
- 제 2 항에 있어서,상기 보조도광부의 단면은 삼각형, 사다리꼴, 다각형 또는 곡선을 포함하는 도형 중 하나인 것을 특징으로 하는 액정표시장치 백라이트 유닛용 도광판.
- 제 1 항 또는 제 2 항에 있어서,상기 주도광부의 측면과 상기 보조도광부의 제1면은 물리적으로 분리되어 있는 것을 특징으로 하는 액정표시장치 백라이트 유닛용 도광판.
- 제 1 항 또는 제 2 항에 있어서,상기 주도광부의 측면과 상기 보조도광부의 제1면은 물리적으로 결합되어 있는 것을 특징으로 하는 액정표시장치 백라이트 유닛용 도광판.
- 삭제
- 제 1 항 또는 제 2 항의 주도광부 및 보조도광부를 포함하는 도광판;상기 도광판의 측면에 배치되는 광원부를 포함하는 액정표시장치 백라이트 유닛.
- 제 11 항에 있어서,상기 광원부는 냉음극형광등(CCFL) 또는 발광다이오드(LED) 중 하나로 된 램프를 포함하는 것을 특징으로 하는 액정표시장치 백라이트 유닛.
- 제 1 항 또는 제 2 항의 주도광부 및 보조도광부를 포함하는 도광판;상기 보조도광부의 측면에 배치되는 광원부;상기 주도광부의 빛이 출사되는 전면부에 대향하도록 설치되는 액정패널부; 및상기 주도광부 하부의 상기 보조도광부 사이의 이격공간에 설치되는 LDI(LCD Driving IC)부를 포함하는 액정표시장치.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050116351A KR100660047B1 (ko) | 2005-12-01 | 2005-12-01 | 액정표시장치 백라이트 유닛용 도광판 및 이를 포함하는액정표시장치 백라이트 유닛과 액정표시장치 |
PCT/KR2006/001600 WO2007064063A1 (en) | 2005-12-01 | 2006-04-28 | Light guide panel for tft-lcd back light unit and tft-lcd back light unit and tft-lcd device having the same |
TW95119046A TWI330290B (en) | 2005-12-01 | 2006-05-29 | Light guide panel for tft-lcd back light unit and tft-lcd back light unit and tft-lcd device having the same |
CNB2006101397447A CN100501529C (zh) | 2005-12-01 | 2006-09-22 | Tft-lcd背光单元和装置及该背光单元的导光板 |
Applications Claiming Priority (1)
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KR1020050116351A KR100660047B1 (ko) | 2005-12-01 | 2005-12-01 | 액정표시장치 백라이트 유닛용 도광판 및 이를 포함하는액정표시장치 백라이트 유닛과 액정표시장치 |
Publications (1)
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KR100660047B1 true KR100660047B1 (ko) | 2006-12-20 |
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KR1020050116351A Active KR100660047B1 (ko) | 2005-12-01 | 2005-12-01 | 액정표시장치 백라이트 유닛용 도광판 및 이를 포함하는액정표시장치 백라이트 유닛과 액정표시장치 |
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CN (1) | CN100501529C (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115047557A (zh) * | 2022-06-20 | 2022-09-13 | 深圳市群宇科技有限公司 | 一种折射率高的导光板 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101694277B (zh) * | 2009-10-21 | 2012-06-20 | 瑞仪光电(苏州)有限公司 | 背光模组及其分光元件 |
US9328897B2 (en) | 2012-08-08 | 2016-05-03 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Edge-illumination type backlight module and liquid crystal display using the same |
CN102767768A (zh) * | 2012-08-08 | 2012-11-07 | 深圳市华星光电技术有限公司 | 侧光式的背光模块及其液晶显示器 |
CN104849798B (zh) * | 2015-06-09 | 2018-11-23 | 武汉华星光电技术有限公司 | 侧曲面型液晶显示装置及电子设备 |
CN107121836A (zh) * | 2017-06-09 | 2017-09-01 | 深圳Tcl新技术有限公司 | 背光模组及显示装置 |
Citations (5)
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KR19980023174A (ko) * | 1996-09-25 | 1998-07-06 | 김광호 | 광 균일성을 위한 액정 표시 장치의 백라이트 구조 |
KR20020041479A (ko) * | 2000-11-28 | 2002-06-03 | 유순재 | 엘씨디의 백 라이트 광원 모듈 |
KR20030021017A (ko) * | 2001-09-05 | 2003-03-12 | 삼성전자주식회사 | 조명장치 및 이를 적용한 반사형 액정표시장치 |
KR20040076233A (ko) * | 2004-07-26 | 2004-08-31 | 온누리전자(주) | 백라이트 유닛 |
KR20050030724A (ko) * | 2003-09-26 | 2005-03-31 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 갖는 액정표시장치 |
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2005
- 2005-12-01 KR KR1020050116351A patent/KR100660047B1/ko active Active
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2006
- 2006-09-22 CN CNB2006101397447A patent/CN100501529C/zh active Active
Patent Citations (5)
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KR19980023174A (ko) * | 1996-09-25 | 1998-07-06 | 김광호 | 광 균일성을 위한 액정 표시 장치의 백라이트 구조 |
KR20020041479A (ko) * | 2000-11-28 | 2002-06-03 | 유순재 | 엘씨디의 백 라이트 광원 모듈 |
KR20030021017A (ko) * | 2001-09-05 | 2003-03-12 | 삼성전자주식회사 | 조명장치 및 이를 적용한 반사형 액정표시장치 |
KR20050030724A (ko) * | 2003-09-26 | 2005-03-31 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 갖는 액정표시장치 |
KR20040076233A (ko) * | 2004-07-26 | 2004-08-31 | 온누리전자(주) | 백라이트 유닛 |
Non-Patent Citations (1)
Title |
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1020050030724 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115047557A (zh) * | 2022-06-20 | 2022-09-13 | 深圳市群宇科技有限公司 | 一种折射率高的导光板 |
CN115047557B (zh) * | 2022-06-20 | 2024-05-31 | 深圳市群宇科技有限公司 | 一种折射率高的导光板 |
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CN100501529C (zh) | 2009-06-17 |
CN1975535A (zh) | 2007-06-06 |
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