KR20200042113A - 디스플레이 장치 - Google Patents
디스플레이 장치 Download PDFInfo
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- KR20200042113A KR20200042113A KR1020180122272A KR20180122272A KR20200042113A KR 20200042113 A KR20200042113 A KR 20200042113A KR 1020180122272 A KR1020180122272 A KR 1020180122272A KR 20180122272 A KR20180122272 A KR 20180122272A KR 20200042113 A KR20200042113 A KR 20200042113A
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- 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
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- 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
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- G02F1/1333—Constructional arrangements; Manufacturing methods
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- G02F1/133526—Lenses, e.g. microlenses or Fresnel lenses
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- 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
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- G02F1/133502—Antiglare, refractive index matching layers
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- G02F1/1333—Constructional arrangements; Manufacturing methods
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- G02F1/133553—Reflecting elements
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- 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
- G02F1/13356—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements
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- 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
- G02B5/0263—Diffusing elements; Afocal elements characterised by the diffusing properties with positional variation of the diffusing properties, e.g. gradient or patterned diffuser
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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
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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
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
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- G—PHYSICS
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- 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
- G02B6/0063—Means for improving the coupling-out of light from the light guide for extracting light out both the major surfaces of the light guide
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- 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
- G02F1/13356—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements
- G02F1/133562—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements on the viewer side
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Abstract
Description
도 2는 도 1에 도시된 디스플레이 장치를 분해하여 도시한 도면이다.
도 3은 도 2에 도시된 광학 필름의 단면을 개략적으로 도시한 도면이다.
도 4는 도 3에 도시된 광학 필름에 입사되는 광이 굴절되는 모습을 개략적으로 도시한 도면이다.
도 5는 도 2에 도시된 백라이트 유닛에서 발산되는 광의 분포를 도시한 그래프이다.
도 6은 본 발명의 다른 실시예에 따른 백라이트 유닛에서 발산되는 광의 분포를 도시한 그래프이다.
도 7은 도 2에 도시된 광학 필름의 제조방법을 도시한 순서도이다.
도 8은 본 발명의 다른 실시예에 따른 광학 필름의 단면을 개략적으로 도시한 도면이다.
도 9는 본 발명의 또 다른 실시예에 따른 광학 필름의 단면을 개략적으로 도시한 도면이다.
도 10은 본 발명의 또 다른 실시예에 따른 광학 필름의 단면을 개략적으로 도시한 도면이다.
20; 디스플레이 패널
60; 백라이트 유닛
100, 200, 300, 400; 광학 필름
101, 201, 301, 401; 기재층
110, 210, 310, 410; 제1 굴절층
112, 212, 312, 412; 제1 패턴
120, 220, 320, 420; 제2 굴절층
130, 230, 330, 430; 제3 굴절층
132, 232, 332, 432; 제2 패턴
140, 240, 340, 440; 제4 굴절층
Claims (20)
- 광을 발산하도록 마련되는 백라이트 유닛;
상기 백라이트 유닛의 전방에 배치되는 디스플레이 패널; 및
상기 디스플레이 패널의 전방에 배치되는 광학 필름;을 포함하며,
상기 광학 필름은,
기재층;
상기 기재층의 전방에 배치되는 제1 굴절층;
상기 제1 굴절층의 전방에 배치되며, 상기 제1 굴절층보다 낮은 굴절률을 갖는 제2 굴절층;
상기 기재층의 후방에 배치되는 제3 굴절층; 및
상기 제3 굴절층의 후방에 배치되며, 상기 제3 굴절층보다 낮은 굴절률을 갖는 제4 굴절층;을 포함하는 디스플레이 장치. - 제1항에 있어서,
상기 제1 굴절층은 상기 백라이트 유닛으로부터 발산된 광의 일부를 전반사시키도록 형성된 제1 경사부를 갖는 제1 패턴을 포함하는 디스플레이 장치. - 제2항에 있어서,
상기 제2 굴절층은 상기 제1 굴절층의 상기 제1 패턴 사이를 충진하는 제1 충진부를 포함하는 디스플레이 장치. - 제2항에 있어서,
상기 제3 굴절층은 상기 제4 굴절층을 통과한 광의 적어도 일부를 굴절시키도록 형성된 제2 경사부를 갖는 제2 패턴을 포함하는 디스플레이 장치. - 제4항에 있어서,
상기 제1 경사부는 상기 제2 경사부보다 큰 경사각을 갖도록 형성되는 디스플레이 장치. - 제4항에 있어서,
상기 제1 패턴은 상기 제2 패턴보다 높은 높이를 갖도록 형성되는 디스플레이 장치. - 제4항에 있어서,
상기 제4 굴절층은 상기 제3 굴절층의 상기 제2 패턴 사이를 충진하는 제2 충진부를 포함하는 디스플레이 장치. - 제4항에 있어서,
상기 제1 패턴 및 상기 제2 패턴은 양각 패턴으로 형성되는 디스플레이 장치. - 제4항에 있어서,
상기 제1 패턴 사이의 간격은 상기 제2 패턴 사이의 간격과 상이하게 마련되는 디스플레이 장치. - 제2항에 있어서,
상기 제1 굴절층의 상기 제1 패턴은 상기 제1 굴절층이 연장되는 방향과 평행하게 연장되는 평행부를 갖는 디스플레이 장치. - 제1항에 있어서,
상기 제1 굴절층은 상기 백라이트 유닛으로부터 발산된 광의 일부를 전반사시키도록 형성된 제1 곡면부를 갖는 제1 패턴을 포함하는 디스플레이 장치. - 제1항에 있어서,
상기 제3 굴절층은 상기 제4 굴절층을 통과한 광의 적어도 일부를 굴절시키도록 형성된 제2 곡면부를 갖는 제2 패턴을 포함하는 디스플레이 장치. - 제12항에 있어서,
상기 제2 패턴은 음각 패턴으로 형성되는 디스플레이 장치. - 디스플레이 패널; 및
상기 디스플레이 패널의 전방에 배치되는 광학 필름;을 포함하며,
상기 광학 필름은,
기재층;
상기 기재층의 전방에 배치되며, 상기 기재층을 통과한 광의 일부를 전반사시키도록 형성되는 제1 경사부를 갖는 제1 패턴이 형성되는 제1 굴절층;
상기 제1 굴절층의 전방에 배치되며, 상기 제1 굴절층보다 낮은 굴절률을 갖는 제2 굴절층;
상기 기재층의 후방에 배치되며, 상기 디스플레이 패널로부터 입사되는 광의 일부를 굴절시키도록 형성되는 제2 경사부를 갖는 제2 패턴이 형성되는 제3 굴절층; 및
상기 제3 굴절층의 후방에 배치되며, 상기 제3 굴절층보다 낮은 굴절률을 갖는 제4 굴절층;을 포함하는 디스플레이 장치. - 제14항에 있어서,
상기 제1 패턴은 양각 패턴으로 형성되며,
상기 제2 굴절층은 상기 제1 패턴 사이를 충진하는 제1 충진부를 포함하는 디스플레이 장치. - 제14항에 있어서,
상기 제2 패턴은 양각 패턴 또는 음각패턴으로 형성되며,
상기 제4 굴절층은 상기 제2 패턴 사이를 충진하는 제2 충진부를 포함하는 디스플레이 장치. - 제14항에 있어서,
상기 제1 경사부는 상기 제2 경사부보다 큰 경사각을 갖도록 형성되는 디스플레이 장치. - 제14항에 있어서,
상기 제1 패턴은 상기 제2 패턴보다 높은 높이를 갖도록 형성되는 디스플레이 장치. - 제14항에 있어서,
상기 제1 패턴 사이의 간격은 상기 제2 패턴 사이의 간격과 상이하게 마련되는 디스플레이 장치. - 디스플레이 패널; 및
상기 디스플레이 패널의 전방에 배치되는 광학 필름;을 포함하며,
상기 광학 필름은,
기재층;
상기 기재층의 전방에 배치되며, 상기 기재층을 통과한 광의 일부를 전반사시키도록 형성되는 제1 경사부를 갖는 제1 패턴이 형성되는 제1 굴절층;
상기 제1 굴절층의 전방에 배치되며, 상기 제1 굴절층보다 낮은 굴절률을 가지고, 상기 제1 패턴 사이를 충진하는 제1 충진부를 포함하는 제2 굴절층;
상기 기재층의 후방에 배치되며, 상기 제1 경사부보다 작은 경사각을 갖도록 형성되는 제2 경사부를 갖는 제2 패턴이 형성되는 제3 굴절층; 및
상기 제3 굴절층의 후방에 배치되며, 상기 제3 굴절층보다 낮은 굴절률을 가지고, 상기 제2 패턴 사이를 충진하는 제2 충진부를 포함하는 제4 굴절층;을 포함하는 디스플레이 장치.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180122272A KR20200042113A (ko) | 2018-10-15 | 2018-10-15 | 디스플레이 장치 |
| PCT/KR2019/010943 WO2020080669A1 (en) | 2018-10-15 | 2019-08-27 | Display apparatus |
| EP19200296.2A EP3640720B1 (en) | 2018-10-15 | 2019-09-27 | Display apparatus |
| US16/591,196 US11243342B2 (en) | 2018-10-15 | 2019-10-02 | Display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180122272A KR20200042113A (ko) | 2018-10-15 | 2018-10-15 | 디스플레이 장치 |
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| Publication Number | Publication Date |
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| KR20200042113A true KR20200042113A (ko) | 2020-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020180122272A Ceased KR20200042113A (ko) | 2018-10-15 | 2018-10-15 | 디스플레이 장치 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US11243342B2 (ko) |
| EP (1) | EP3640720B1 (ko) |
| KR (1) | KR20200042113A (ko) |
| WO (1) | WO2020080669A1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115295744B (zh) * | 2020-06-28 | 2025-09-19 | 湖北长江新型显示产业创新中心有限公司 | 显示面板和显示装置 |
| KR102896418B1 (ko) * | 2020-07-01 | 2025-12-09 | 삼성디스플레이 주식회사 | 표시 장치 및 표시 패널 |
| US12554163B2 (en) * | 2021-10-15 | 2026-02-17 | Cm Visual Technology Corporation | Optical film comprising a second optical layer having a plurality of optical portions located in recesses of a first optical layer and display device using the same |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3006306B2 (ja) * | 1992-09-16 | 2000-02-07 | インターナショナル・ビジネス・マシーンズ・コーポレイション | 光学的フイルム及び上記光学的フイルムを用いた液晶表示装置 |
| JP4240037B2 (ja) * | 2003-05-22 | 2009-03-18 | 日立化成工業株式会社 | 光学フィルム及びそれを用いた面光源装置 |
| KR100657914B1 (ko) * | 2004-11-24 | 2006-12-14 | 삼성전자주식회사 | 프리즘 시트 및 이를 채용한 백라이트 유니트 |
| JP2008003232A (ja) * | 2006-06-21 | 2008-01-10 | Fujifilm Corp | 光学シート及び光学シートの製造方法、バックライト、液晶表示装置 |
| KR20080023503A (ko) * | 2006-09-11 | 2008-03-14 | 삼성코닝정밀유리 주식회사 | 광기능성 필름을 포함하는 액정디스플레이장치 및 광기능성필름 |
| WO2008069162A1 (en) * | 2006-12-05 | 2008-06-12 | Semiconductor Energy Laboratory Co., Ltd. | Anti-reflection film and display device |
| US8408775B1 (en) * | 2008-03-12 | 2013-04-02 | Fusion Optix, Inc. | Light recycling directional control element and light emitting device using the same |
| CN102667540A (zh) * | 2009-12-15 | 2012-09-12 | 夏普株式会社 | 光学叠层体、照明装置、液晶显示装置和光学叠层体的制造方法 |
| KR20130046042A (ko) * | 2011-10-27 | 2013-05-07 | 삼성전자주식회사 | 백라이트유닛 및 이를 가지는 디스플레이장치 |
| US10054732B2 (en) * | 2013-02-22 | 2018-08-21 | Reald Spark, Llc | Directional backlight having a rear reflector |
| US9588263B2 (en) * | 2012-08-17 | 2017-03-07 | Corning Incorporated | Display element having buried scattering anti-glare layer |
| KR102301486B1 (ko) * | 2014-12-02 | 2021-09-13 | 삼성디스플레이 주식회사 | 편광 부재 및 이를 포함하는 표시 장치 |
| US20170115433A1 (en) * | 2015-10-21 | 2017-04-27 | Sangbo Corporation | Multilayer optical sheet assembly |
| KR102723297B1 (ko) * | 2016-07-26 | 2024-10-29 | 엘지디스플레이 주식회사 | 디스플레이 장치 |
| KR102399552B1 (ko) * | 2016-11-28 | 2022-05-18 | 삼성전자주식회사 | 백라이트 유닛 및 이를 포함하는 디스플레이 장치 |
-
2018
- 2018-10-15 KR KR1020180122272A patent/KR20200042113A/ko not_active Ceased
-
2019
- 2019-08-27 WO PCT/KR2019/010943 patent/WO2020080669A1/en not_active Ceased
- 2019-09-27 EP EP19200296.2A patent/EP3640720B1/en active Active
- 2019-10-02 US US16/591,196 patent/US11243342B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US11243342B2 (en) | 2022-02-08 |
| EP3640720B1 (en) | 2023-03-29 |
| WO2020080669A1 (en) | 2020-04-23 |
| US20200117048A1 (en) | 2020-04-16 |
| EP3640720A1 (en) | 2020-04-22 |
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