KR102595455B1 - 액정표시장치 - Google Patents
액정표시장치 Download PDFInfo
- Publication number
- KR102595455B1 KR102595455B1 KR1020160174438A KR20160174438A KR102595455B1 KR 102595455 B1 KR102595455 B1 KR 102595455B1 KR 1020160174438 A KR1020160174438 A KR 1020160174438A KR 20160174438 A KR20160174438 A KR 20160174438A KR 102595455 B1 KR102595455 B1 KR 102595455B1
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- guide plate
- liquid crystal
- light
- light guide
- led
- 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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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 56
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 35
- 239000010439 graphite Substances 0.000 claims abstract description 35
- 239000002390 adhesive tape Substances 0.000 claims abstract description 19
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 abstract description 18
- 230000008878 coupling Effects 0.000 abstract description 10
- 238000010168 coupling process Methods 0.000 abstract description 10
- 238000005859 coupling reaction Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 9
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 239000010408 film Substances 0.000 description 31
- 239000000758 substrate Substances 0.000 description 17
- VQQKIXKPMJTUMP-UHFFFAOYSA-N 1,2,3,4-tetrachloro-5-(2,3-dichlorophenyl)benzene Chemical compound ClC1=CC=CC(C=2C(=C(Cl)C(Cl)=C(Cl)C=2)Cl)=C1Cl VQQKIXKPMJTUMP-UHFFFAOYSA-N 0.000 description 15
- 230000000903 blocking effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- VGVIKVCCUATMNG-UHFFFAOYSA-N 1,2,4-trichloro-5-phenylbenzene Chemical compound C1=C(Cl)C(Cl)=CC(Cl)=C1C1=CC=CC=C1 VGVIKVCCUATMNG-UHFFFAOYSA-N 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- BTAGRXWGMYTPBY-UHFFFAOYSA-N 1,2,3-trichloro-4-(2,3,4-trichlorophenyl)benzene Chemical compound ClC1=C(Cl)C(Cl)=CC=C1C1=CC=C(Cl)C(Cl)=C1Cl BTAGRXWGMYTPBY-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- YFSLABAYQDPWPF-UHFFFAOYSA-N 1,2,3-trichloro-4-(2,3,5-trichlorophenyl)benzene Chemical compound ClC1=CC(Cl)=C(Cl)C(C=2C(=C(Cl)C(Cl)=CC=2)Cl)=C1 YFSLABAYQDPWPF-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- 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
- G02B6/005—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
- G02B6/0051—Diffusing 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
- 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
-
- 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
- G02B6/009—Positioning aspects of the light source 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
- G02B6/0086—Positioning aspects
- G02B6/0091—Positioning aspects of the light source relative to the light guide
-
- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- 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
- 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
- G02F2202/00—Materials and properties
- G02F2202/28—Adhesive materials or arrangements
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)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
더욱이, LED 전방에 접착테입을 구성하여 도광판을 그래파이트필름을 사용한 입광부 결합 구조에 고정할 수 있다. 이 경우에, 도광판 입광부의 광학거리를 감소시킬 수 있게 되어 내로우베젤을 효과적으로 구현할 수 있게 되고, 또한 LED와 도광판의 위치 정렬이 안정적으로 구현될 수 있다.
Description
도 2는 본 발명의 실시예에 따른 액정표시장치를 개략적으로 도시한 분해 사시도.
도 3은 본 발명의 제1실시예에 따른 LED어셈블리의 PCB 하면에 접착부재가 구비된 모습을 개략적으로 도시한 사시도.
도 4는 본 발명의 제1실시예에 따른 액정표시장치의 입광부를 개략적으로 도시한 단면도.
도 5는 본 발명의 제1실시예와 종래의 액정표시장치의 입광부에서의 베젤 영역을 비교한 도면.
도 6은 본 발명의 제2실시예에 따른 액정표시장치의 가이드몰드와 LED어셈블리와 그래파이트필름을 개략적으로 도시한 분해 사시도.
도 7은 본 발명의 실시예에 따른 액정표시장치의 입광부 일부를 도시한 단면도.
112: 제1기판 114: 제2기판
120: 백라이트유닛 121: 반사판
123: 도광판 125: 광학시트
127: LED어셈블리 128: LED
129: PCB 130: 가이드몰드
131,132: 가이드몰드의 제1,2부분
133: 가이드몰드의 돌출부 140: 접착테입
200: 그래파이트필름
BA: 베젤 영역
AA: 표시 영역
OL: 광학거리
Claims (5)
- 액정패널과;
상기 액정패널 하부의 도광판;
상기 도광판 하부의 반사판과;
상기 도광판의 입광면에 대면하는 LED와, 상기 LED가 실장되는 PCB를 포함하는 LED어셈블리와;
상기 LED어셈블리와 상기 반사판을 감싸는 그래파이트필름과;
가이드몰드
를 포함하고,
상기 PCB는 제1면과, 상기 제1면에 반대되는 제2면과, 상기 제1,2면에 수직하고 상기 제1,2면 사이에 위치한 제3면을 포함하고, 상기 LED는 상기 PCB의 제1면에 실장되고,
상기 그래파이트필름은 상기 PCB의 제2,3면과 상기 반사판의 하면을 감싸고,
상기 가이드몰드는,
제1,2끝단을 갖고, 상기 입광면에 반대되는 상기 도광판의 제1측면을 따라 배치된 제1부분과;
상기 제1부분의 제1끝단으로부터 연장되고, 상기 도광판의 제2측면을 따라 배치된 제2부분과;
상기 제1부분의 제2끝단으로부터 연장되고, 상기 도광판의 제3측면을 따라 배치된 제3부분과;
상기 제2부분의 끝단으로부터 연장된 제1돌출부와;
상기 제3부분의 끝단으로부터 연장된 제2돌출부를 포함하고,
상기 제1돌출부는 상기 제2돌출부를 향해 연장되고, 상기 제2돌출부는 상기 제1돌출부를 향해 연장되며, 상기 제1,2돌출부는 서로 직접 연결되지 않는
액정표시장치.
- 제 1 항에 있어서,
상기 LED 전방에 위치하는 상기 PCB의 내측부의 상기 제1면과 상기 도광판의 상면을 부착하는 접착테입
을 더 포함하는 액정표시장치.
- 삭제
- 제 1 항에 있어서,
상기 가이드몰드는, 상기 반사판의 상면에 접착부재를 통해 부착되는
액정표시장치.
- 삭제
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020160174438A KR102595455B1 (ko) | 2016-12-20 | 2016-12-20 | 액정표시장치 |
TW106144017A TWI643002B (zh) | 2016-12-20 | 2017-12-14 | 液晶顯示裝置 |
US15/842,370 US10394065B2 (en) | 2016-12-20 | 2017-12-14 | Liquid crystal display device comprising a guide mold having first and second protrusions extending toward one another without being directly connected with each other |
CN201711362573.9A CN108205222B (zh) | 2016-12-20 | 2017-12-18 | 背光单元及包括该背光单元的液晶显示装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020160174438A KR102595455B1 (ko) | 2016-12-20 | 2016-12-20 | 액정표시장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20180071614A KR20180071614A (ko) | 2018-06-28 |
KR102595455B1 true KR102595455B1 (ko) | 2023-10-27 |
Family
ID=62561432
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KR1020160174438A Active KR102595455B1 (ko) | 2016-12-20 | 2016-12-20 | 액정표시장치 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10394065B2 (ko) |
KR (1) | KR102595455B1 (ko) |
CN (1) | CN108205222B (ko) |
TW (1) | TWI643002B (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10502889B2 (en) * | 2017-06-30 | 2019-12-10 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Backlight unit |
KR102535167B1 (ko) * | 2018-03-26 | 2023-05-22 | 삼성디스플레이 주식회사 | 표시 장치 |
JP2019179174A (ja) * | 2018-03-30 | 2019-10-17 | シャープ株式会社 | 表示装置、及び表示装置の製造方法 |
CN109633983B (zh) * | 2019-02-18 | 2021-11-05 | 京东方科技集团股份有限公司 | 一种背光模组和显示模组 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070211191A1 (en) * | 2006-03-13 | 2007-09-13 | Samsung Electronics Co., Ltd. | Liquid crystal panel assembly and liquid crystal display apparatus having the same |
US20080043171A1 (en) * | 2006-08-18 | 2008-02-21 | Yoshiaki Takahashi | Liquid crystal display device |
US20080291356A1 (en) * | 2007-05-25 | 2008-11-27 | Tae Seok Kim | Backlight assembly and liquid crystal display having the same |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI223115B (en) * | 1999-06-17 | 2004-11-01 | Enplas Corp | Surface light device, liquid crystal display device and reflective member |
CN1144083C (zh) * | 2001-02-20 | 2004-03-31 | 友达光电股份有限公司 | 固定导光板的框架及其背光装置 |
JP3875891B2 (ja) * | 2002-01-24 | 2007-01-31 | 株式会社日立製作所 | 液晶表示装置 |
KR100840715B1 (ko) * | 2002-05-28 | 2008-06-23 | 삼성전자주식회사 | 백 라이트 어셈블리 및 이를 갖는 액정 표시 장치 |
TWM265638U (en) * | 2004-10-08 | 2005-05-21 | Au Optronics Corp | A liquid crystal display and a backlight module thereof |
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KR20180071614A (ko) | 2018-06-28 |
US20180173044A1 (en) | 2018-06-21 |
TW201827897A (zh) | 2018-08-01 |
CN108205222B (zh) | 2021-02-02 |
TWI643002B (zh) | 2018-12-01 |
US10394065B2 (en) | 2019-08-27 |
CN108205222A (zh) | 2018-06-26 |
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