KR101321248B1 - 엘이디 패널의 고휘도화 개조를 위한 광학 필름의 적층 구조 - Google Patents
엘이디 패널의 고휘도화 개조를 위한 광학 필름의 적층 구조 Download PDFInfo
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- KR101321248B1 KR101321248B1 KR1020120022242A KR20120022242A KR101321248B1 KR 101321248 B1 KR101321248 B1 KR 101321248B1 KR 1020120022242 A KR1020120022242 A KR 1020120022242A KR 20120022242 A KR20120022242 A KR 20120022242A KR 101321248 B1 KR101321248 B1 KR 101321248B1
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- liquid crystal
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- 239000012788 optical film Substances 0.000 title 1
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 89
- 230000005540 biological transmission Effects 0.000 claims description 18
- 230000006698 induction Effects 0.000 claims description 14
- 230000009977 dual effect Effects 0.000 claims description 12
- 230000010287 polarization Effects 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims description 2
- 239000010408 film Substances 0.000 description 42
- 239000000758 substrate Substances 0.000 description 13
- 230000003287 optical effect Effects 0.000 description 4
- 239000010409 thin film Substances 0.000 description 3
- 239000012780 transparent material Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
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- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
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- 239000003086 colorant Substances 0.000 description 1
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Images
Classifications
-
- 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
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0231—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having microprismatic or micropyramidal shape
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0289—Diffusing elements; Afocal elements characterized by the use used as a transflector
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
-
- 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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
-
- 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
- G02F1/133618—Illuminating devices for ambient light
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Liquid Crystal (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
도 2는 도 1에 도시된 액정표시장치를 조립하여 Ⅰ-Ⅰ′선을 따라 절단한 단면도이다.
도 3은 도 2의 A부분을 확대한 단면도이다.
도 4는 도 1에 도시된 액정표시장치를 조립하여 Ⅱ-Ⅱ′선을 따라 절단한 단면도이다.
도 5는 도 4의 B부분을 확대한 단면도이다.
300 : 마이크로 렌즈 필름 400 : 프리즘 시트
500 : 이중휘도 편광 필름 600 : 액정 패널
700 : 저반사부 800 : 외부창
900 : 투과 유도부 1000 : 액정표시장치
Claims (7)
- 광을 상부로 출사하는 백라이트 유닛;
상기 백라이트 유닛의 상부에 배치되어 상기 광을 공급받으며, 액정의 특성을 이용하여 영상을 표시하는 액정 패널;
상기 액정 패널의 상부에 배치되며, 상기 백라이트 유닛과 반대되는 방향에서 입사되는 외부광 중 일부는 반사하고 일부는 투과시켜 상기 투과된 외부광을 이용하여 상기 영상의 휘도를 증가시키는 저반사부;
상기 액정 패널의 하부 및 상부에서 상기 저반사부와 상기 백라이트 유닛 사이 각각에 배치된 제1 및 제2 편광 필름들;
상기 제1 편광 필름의 하부에 부착되며, 상기 제1 편광 필름의 편광축을 통과하는 광량을 증가시키는 자기융착보호필름; 및
상기 제1 편광 필름과 상기 백라이트 유닛 사이에 배치되어 상기 광을 파장에 따라 선택적으로 투과시키거나 반사시키는 이중휘도 편광 필름을 포함하는 액정표시장치. - 제1항에 있어서,
상기 액정 패널의 상부에 이격되어 배치된 외부창; 및
상기 액정 패널 및 상기 외부광 사이에 배치되며, 상기 외부광의 투과를 유도하는 투과 유도부를 더 포함하는 것을 특징으로 하는 액정표시장치. - 삭제
- 제1항에 있어서, 상기 백라이트 유닛 및 상기 액정 패널의 사이에 배치되며 서로 직교하는 제1 및 제2 프리즘 패턴들을 각각 갖는 제1 및 제2 프리즘부들과, 상기 제1 및 제2 프리즘 패턴들 중 외부로 노출된 어느 하나의 상부에서 상기 어느 하나를 보호하기 위한 보호부가 일체형으로 형성된 프리즘 시트를 더 포함하는 것을 특징으로 하는 액정표시장치.
- 제1항에 있어서, 상기 백라이트 유닛은
광을 발생하는 LED; 및
상기 LED가 일측이 배치되며, 상기 LED로부터 발생된 광을 상기 액정 패널로 가이드하는 도광판을 포함하며,
상기 도광판의 상부에 배치되어 상기 도광판으로부터 가이드된 광을 집광하기 위한 미세 렌즈 패턴이 형성된 마이크로 렌즈 필름을 더 포함하는 것을 특징으로 하는 액정표시장치. - 삭제
- 삭제
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120022242A KR101321248B1 (ko) | 2012-03-05 | 2012-03-05 | 엘이디 패널의 고휘도화 개조를 위한 광학 필름의 적층 구조 |
PCT/KR2013/000802 WO2013133535A1 (ko) | 2012-03-05 | 2013-01-31 | 액정표시장치 |
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KR1020120022242A KR101321248B1 (ko) | 2012-03-05 | 2012-03-05 | 엘이디 패널의 고휘도화 개조를 위한 광학 필름의 적층 구조 |
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KR20130101249A KR20130101249A (ko) | 2013-09-13 |
KR101321248B1 true KR101321248B1 (ko) | 2013-10-28 |
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KR1020120022242A Active KR101321248B1 (ko) | 2012-03-05 | 2012-03-05 | 엘이디 패널의 고휘도화 개조를 위한 광학 필름의 적층 구조 |
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KR (1) | KR101321248B1 (ko) |
WO (1) | WO2013133535A1 (ko) |
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KR20190134946A (ko) | 2018-05-24 | 2019-12-05 | 삼성디스플레이 주식회사 | 복합 시트 및 이를 포함하는 표시 장치 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20060064938A (ko) * | 2004-12-09 | 2006-06-14 | 삼성전자주식회사 | 표시장치 |
KR100739797B1 (ko) * | 2006-02-23 | 2007-07-13 | 삼성전자주식회사 | 외부광을 이용한 디스플레이 장치 |
KR20090111252A (ko) * | 2008-04-21 | 2009-10-26 | 엘지디스플레이 주식회사 | 액정표시장치 |
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KR20020028045A (ko) * | 2000-10-06 | 2002-04-15 | 이승규 | 백라이트용 광 유도 쉬트 |
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2012
- 2012-03-05 KR KR1020120022242A patent/KR101321248B1/ko active Active
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- 2013-01-31 WO PCT/KR2013/000802 patent/WO2013133535A1/ko active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20060064938A (ko) * | 2004-12-09 | 2006-06-14 | 삼성전자주식회사 | 표시장치 |
KR100739797B1 (ko) * | 2006-02-23 | 2007-07-13 | 삼성전자주식회사 | 외부광을 이용한 디스플레이 장치 |
KR20090111252A (ko) * | 2008-04-21 | 2009-10-26 | 엘지디스플레이 주식회사 | 액정표시장치 |
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WO2013133535A1 (ko) | 2013-09-12 |
KR20130101249A (ko) | 2013-09-13 |
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