KR100839776B1 - 광학필름 및 이를 포함하는 액정표시장치 - Google Patents
광학필름 및 이를 포함하는 액정표시장치 Download PDFInfo
- Publication number
- KR100839776B1 KR100839776B1 KR1020060029152A KR20060029152A KR100839776B1 KR 100839776 B1 KR100839776 B1 KR 100839776B1 KR 1020060029152 A KR1020060029152 A KR 1020060029152A KR 20060029152 A KR20060029152 A KR 20060029152A KR 100839776 B1 KR100839776 B1 KR 100839776B1
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- South Korea
- Prior art keywords
- light
- optical film
- prisms
- cross
- liquid crystal
- 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 35
- 239000012788 optical film Substances 0.000 title claims abstract description 35
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- 239000002923 metal particle Substances 0.000 claims description 10
- -1 CaCO 3 Inorganic materials 0.000 claims description 4
- 229920005992 thermoplastic resin Polymers 0.000 claims description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 3
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 3
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Images
Classifications
-
- 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
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- 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
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
-
- 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
- G02B6/0058—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
- G02F1/1336—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
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)
- Optical Elements Other Than Lenses (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims (14)
- 광입사부와 광출사부를 각각 가지고 상호 이격배치되는 복수의 프리즘과;상기 복수의 프리즘 중 어느 한 프리즘과 다른 한 프리즘 사이에 연속적으로 개재되는 삼각형 단면형상의 반사체로서, TiO2 , BaSO4, Al(OH)3, Al2O3, CaCO3, ZnO 및 ZnS로 이루어진 그룹으로부터 선택된 무기물입자, 금속 입자 또는 상기 무기물입자와 상기 금속 입자의 혼합물과 수지를 포함하고, 삼각형 단면형상의 꼭지점이 상기 광출사부를 향하도록 배치된 반사체를 포함하며,상기 각 프리즘의 광입사부는 내측을 향해 함몰된 삼각형 단면 형상의 홈, 삼각파 단면 형상의 홈, 다각형 단면 형상의 홈 또는 반원 단면 형상의 홈으로 형성된 것을 특징으로 하는 광학필름.
- 삭제
- 삭제
- 제1항에 있어서,상기 수지는 경화성수지와 열가소성수지 중 선택된 어느 하나인 것을 특징으로 하는 광학필름.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 제1항에 있어서,상기 광출사부 측에 배치되도록 상기 복수의 프리즘 위에 마련되는 베이스시트를 더 포함하는 것을 특징으로 하는 광학필름.
- 제1항에 있어서,상기 복수의 프리즘은 각각 상기 광입사부의 폭보다 상기 광출사부의 폭이 큰 단면형상을 갖는 것을 특징으로 하는 광학필름.
- 제12항에 있어서,상기 복수의 프리즘은 각각 역사다리꼴 단면형상을 갖는 것을 특징으로 하는 광학필름.
- 제1항에 따른 광학필름을 포함하는 것을 특징으로 하는 액정표시장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060029152A KR100839776B1 (ko) | 2006-03-30 | 2006-03-30 | 광학필름 및 이를 포함하는 액정표시장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060029152A KR100839776B1 (ko) | 2006-03-30 | 2006-03-30 | 광학필름 및 이를 포함하는 액정표시장치 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020080024994A Division KR100873777B1 (ko) | 2008-03-18 | 2008-03-18 | 광학필름 및 이를 포함하는 액정표시장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070098027A KR20070098027A (ko) | 2007-10-05 |
KR100839776B1 true KR100839776B1 (ko) | 2008-06-19 |
Family
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KR1020060029152A Expired - Fee Related KR100839776B1 (ko) | 2006-03-30 | 2006-03-30 | 광학필름 및 이를 포함하는 액정표시장치 |
Country Status (1)
Country | Link |
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KR (1) | KR100839776B1 (ko) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0772809A (ja) * | 1993-09-02 | 1995-03-17 | Toray Ind Inc | 液晶ディスプレイ用マイクロレンズアレイシート、およびそれを用いた液晶ディスプレイ |
JPH09197106A (ja) * | 1996-01-16 | 1997-07-31 | Toray Ind Inc | マイクロレンズアレイシートおよびそれを用いた液晶表示装置 |
KR100373310B1 (ko) * | 1993-11-19 | 2003-05-09 | 알라이드시그날 인코포레이티드 | 전기광학디스플레이에사용되는배면광어셈블리 |
KR20040062287A (ko) * | 2003-01-02 | 2004-07-07 | 삼성전자주식회사 | 프리즘시트 및 이를 사용하는 액정표시장치 |
-
2006
- 2006-03-30 KR KR1020060029152A patent/KR100839776B1/ko not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0772809A (ja) * | 1993-09-02 | 1995-03-17 | Toray Ind Inc | 液晶ディスプレイ用マイクロレンズアレイシート、およびそれを用いた液晶ディスプレイ |
KR100373310B1 (ko) * | 1993-11-19 | 2003-05-09 | 알라이드시그날 인코포레이티드 | 전기광학디스플레이에사용되는배면광어셈블리 |
JPH09197106A (ja) * | 1996-01-16 | 1997-07-31 | Toray Ind Inc | マイクロレンズアレイシートおよびそれを用いた液晶表示装置 |
KR20040062287A (ko) * | 2003-01-02 | 2004-07-07 | 삼성전자주식회사 | 프리즘시트 및 이를 사용하는 액정표시장치 |
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Publication number | Publication date |
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KR20070098027A (ko) | 2007-10-05 |
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