KR20120072958A - 백라이트 및 이를 포함하는 액정표시소자 - Google Patents
백라이트 및 이를 포함하는 액정표시소자 Download PDFInfo
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- KR20120072958A KR20120072958A KR1020100134905A KR20100134905A KR20120072958A KR 20120072958 A KR20120072958 A KR 20120072958A KR 1020100134905 A KR1020100134905 A KR 1020100134905A KR 20100134905 A KR20100134905 A KR 20100134905A KR 20120072958 A KR20120072958 A KR 20120072958A
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- light guide
- led
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- guide plate
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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
-
- 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
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0053—Prismatic sheet or layer; Brightness enhancement 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
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
-
- 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
- G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame
-
- 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
- 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
- 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
- G02F1/133628—Illuminating devices with cooling means
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
Description
도 2는 종래 액정표시소자의 단면도.
도 3은 본 발명에 따른 액정표시소자의 사시도.
도 4는 본 발명에 따른 액정표시소자의 단면도.
134 : LED 135 : 도광판
136 : 반사판 140 : 하부커버
142 : 가이드패널 160 : 도광부재
162 : 홀 163 : 연장부
164 : 반사층
Claims (8)
- 광을 발광하는 복수의 LED; 및
상기 LED와 마주하여 LED로부터 입사되는 광을 인도하는 도광판;
상기 LED와 도광판 사이에 배치되어 LED로부터 발생하는 열을 차단하고 LED로부터 발광하는 광을 도광판으로 인도하는 도광부재로 구성된 백라이트. - 제1항에 있어서,
상기 LED가 실장되는 LED기판;
상기 도광부재 상부에 배치되는 반사층; 및
상기 도광판 하부에 배치되어 도광판 하면으로 입사되는 광을 반사시키는 반사판을 추가로 포함하는 것을 특징으로 하는 백라이트. - 제2항에 있어서, 도광부재는 일부가 상기 반사판의 하면으로 연장되는 것을 특징으로 하는 백라이트.
- 제1항에 있어서, 상기 도광부재는 실리콘계 수지로 이루어진 것을 특징으로 하는 백라이트.
- 화상을 구현하는 액정패널;
광을 발광하는 복수의 LED와, 상기 LED와 대향하여 LED로부터 발광된 광을 액정패널로 인도하는 도광판을 포함하는 백라이트부;
상기 액정패널을 지지하는 가이드패널;
상기 가이드패널과 체결되어 액정패널과 백라이트를 조립하는 하부커버 및 상부커버; 및
상기 LED와 도광판 사이에 배치되어, LED, 도광판, 가이드패널, 하부커버와 접촉하여 LED로부터 발생하는 열을 차단하고 LED로부터 발광하는 광을 도광판으로 인도하는 도광부재로 구성된 액정표시소자. - 제5항에 있어서, 상기 백라이트는,
상기 LED가 실장되는 LED기판;
상기 도광부재 상부에 배치되는 반사층; 및
상기 도광판 하부에 배치되어 도광판 하면으로 입사되는 광을 반사시키는 반사판을 추가로 포함하는 것을 특징으로 하는 액정표시소자. - 제6항에 있어서, 도광부재는 하부커버와 반사판 사이에 삽입되어 반사판을 도광파의 하면에 고정시키는 연장부를 추가로 포함하는 것을 특징으로 하는 액정표시소자.
- 제5항에 있어서, 상기 도광부재는 실리콘계 수지로 이루어진 것을 특징으로 하는 액정표시소자.
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KR1020100134905A KR20120072958A (ko) | 2010-12-24 | 2010-12-24 | 백라이트 및 이를 포함하는 액정표시소자 |
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KR1020100134905A KR20120072958A (ko) | 2010-12-24 | 2010-12-24 | 백라이트 및 이를 포함하는 액정표시소자 |
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KR1020170110293A Division KR101920772B1 (ko) | 2017-08-30 | 2017-08-30 | 백라이트 및 이를 포함하는 액정표시소자 |
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KR20120072958A true KR20120072958A (ko) | 2012-07-04 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20150050612A (ko) * | 2013-10-29 | 2015-05-11 | 엘지디스플레이 주식회사 | 액정 표시 장치 |
WO2015070486A1 (zh) * | 2013-11-15 | 2015-05-21 | 深圳市华星光电技术有限公司 | 侧入式背光模组 |
US9470921B2 (en) | 2014-02-04 | 2016-10-18 | Samsung Display Co., Ltd. | Display device |
KR20170034651A (ko) * | 2015-09-21 | 2017-03-29 | 엘지디스플레이 주식회사 | 표시장치 |
KR20170080220A (ko) * | 2015-12-31 | 2017-07-10 | 엘지디스플레이 주식회사 | 백라이트 유닛 및 이를 구비한 액정표시장치 |
US10732346B2 (en) | 2017-12-20 | 2020-08-04 | Samsung Display Co., Ltd. | Backlight unit and display device including the same |
-
2010
- 2010-12-24 KR KR1020100134905A patent/KR20120072958A/ko not_active Application Discontinuation
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20150050612A (ko) * | 2013-10-29 | 2015-05-11 | 엘지디스플레이 주식회사 | 액정 표시 장치 |
WO2015070486A1 (zh) * | 2013-11-15 | 2015-05-21 | 深圳市华星光电技术有限公司 | 侧入式背光模组 |
US9229155B2 (en) | 2013-11-15 | 2016-01-05 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Side-edge backlight module |
US9470921B2 (en) | 2014-02-04 | 2016-10-18 | Samsung Display Co., Ltd. | Display device |
KR20170034651A (ko) * | 2015-09-21 | 2017-03-29 | 엘지디스플레이 주식회사 | 표시장치 |
KR20170080220A (ko) * | 2015-12-31 | 2017-07-10 | 엘지디스플레이 주식회사 | 백라이트 유닛 및 이를 구비한 액정표시장치 |
US10732346B2 (en) | 2017-12-20 | 2020-08-04 | Samsung Display Co., Ltd. | Backlight unit and display device including the same |
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