KR20090058679A - 프리즘 시트 및 그를 구비한 광학 필름 - Google Patents
프리즘 시트 및 그를 구비한 광학 필름 Download PDFInfo
- Publication number
- KR20090058679A KR20090058679A KR1020070125384A KR20070125384A KR20090058679A KR 20090058679 A KR20090058679 A KR 20090058679A KR 1020070125384 A KR1020070125384 A KR 1020070125384A KR 20070125384 A KR20070125384 A KR 20070125384A KR 20090058679 A KR20090058679 A KR 20090058679A
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- South Korea
- Prior art keywords
- prism
- prism sheet
- sheet
- light
- optical film
- Prior art date
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
- G02B5/045—Prism arrays
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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
- G02B6/0013—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
- G02B6/003—Lens or lenticular 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
- G02B6/0035—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
-
- 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
- G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
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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
- G02F1/133504—Diffusing, scattering, diffracting elements
-
- 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
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)
Abstract
Description
Claims (7)
- 베이스 필름; 및반원주 형상의 렌티큘러로 상기 베이스 필름 상부에 하나 이상 형성되며, 수직 높이가 변화하는 구조물과 상기 구조물의 사이에 하나 이상 배치되는 프리즘을 구비한 프리즘부를 포함하는 프리즘 시트.
- 제 1항에 있어서, 상기 구조물의 피크선은 규칙 또는 불규칙 적인 웨이브를 나타내는 것을 특징으로 하는 프리즘 시트.
- 제 1항에 있어서, 상기 하나 이상의 구조물은 서로 이격시켜 형성하는 것을 특징으로 하는 프리즘 시트.
- 제 1항에 있어서, 상기 프리즘은 단면형상이 삼각형 또는 이와는 다른 다각형을 가지는 기둥인 것을 특징으로 하는 것을 특징으로 하는 프리즘 시트.
- 제 1항에 있어서, 상기 프리즘의 높이는 상기 구조물의 높이보다 낮은 것을 특징으로 하는 프리즘 시트.
- 확산시트, 프리즘 시트 및 프리즘 보호 시트를 적층하여 구성된 광학필름에 있어서,상기 제 1항 내지 제 5항 중 선택되는 어느 한 항에 따른 프리즘 시트를 구비한 광학필름.
- 제 6항에 있어서,상기 프리즘 시트는 동일 또는 상이한 2종 이상의 프리즘 시트를 중첩하여 적층하는 것을 특징으로 하는 광학필름.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070125384A KR100938162B1 (ko) | 2007-12-05 | 2007-12-05 | 프리즘 시트 및 그를 구비한 광학 필름 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020070125384A KR100938162B1 (ko) | 2007-12-05 | 2007-12-05 | 프리즘 시트 및 그를 구비한 광학 필름 |
Publications (2)
Publication Number | Publication Date |
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KR20090058679A true KR20090058679A (ko) | 2009-06-10 |
KR100938162B1 KR100938162B1 (ko) | 2010-01-21 |
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KR1020070125384A KR100938162B1 (ko) | 2007-12-05 | 2007-12-05 | 프리즘 시트 및 그를 구비한 광학 필름 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009124107A1 (en) * | 2008-04-02 | 2009-10-08 | 3M Innovative Properties Company | Light directing film and method for making the same |
WO2012091483A2 (en) * | 2010-12-31 | 2012-07-05 | Kolon Industries, Inc. | Condensing type optical sheet |
CN103185287A (zh) * | 2011-12-29 | 2013-07-03 | 第一毛织株式会社 | 棱镜片和包括棱镜片的背光单元 |
US8517573B2 (en) | 2005-06-09 | 2013-08-27 | Ubright Optronics Corporation | Moire reducing optical substrates with irregular prism structures |
KR101530052B1 (ko) * | 2013-11-01 | 2015-06-19 | 신화인터텍 주식회사 | 광학 시트, 이를 포함하는 광원 어셈블리와 액정 표시 장치, 및 광학 시트 제조용 패턴 몰드의 제조 방법 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20060078410A (ko) * | 2004-12-31 | 2006-07-05 | 삼성전자주식회사 | 광학 시트, 이를 포함하는 백라이트 어셈블리 및 액정표시 장치 |
MX2007010905A (es) * | 2005-03-09 | 2007-12-07 | 3M Innovative Properties Co | Articulo microreplicado con superficie reductora de defectos. |
-
2007
- 2007-12-05 KR KR1020070125384A patent/KR100938162B1/ko active IP Right Grant
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8517573B2 (en) | 2005-06-09 | 2013-08-27 | Ubright Optronics Corporation | Moire reducing optical substrates with irregular prism structures |
WO2009124107A1 (en) * | 2008-04-02 | 2009-10-08 | 3M Innovative Properties Company | Light directing film and method for making the same |
US10197713B2 (en) | 2008-04-02 | 2019-02-05 | 3M Innovative Properties Company | Light directing film and method for making the same |
US9810817B2 (en) | 2008-04-02 | 2017-11-07 | 3M Innovative Properties Company | Light directing film and method for making the same |
CN103282804B (zh) * | 2010-12-31 | 2016-02-10 | 可隆工业株式会社 | 聚光型光学片 |
WO2012091483A2 (en) * | 2010-12-31 | 2012-07-05 | Kolon Industries, Inc. | Condensing type optical sheet |
WO2012091483A3 (en) * | 2010-12-31 | 2012-10-04 | Kolon Industries, Inc. | Condensing type optical sheet |
CN103282804A (zh) * | 2010-12-31 | 2013-09-04 | 可隆工业株式会社 | 聚光型光学片 |
CN103185287A (zh) * | 2011-12-29 | 2013-07-03 | 第一毛织株式会社 | 棱镜片和包括棱镜片的背光单元 |
TWI493234B (zh) * | 2011-12-29 | 2015-07-21 | Cheil Ind Inc | 棱鏡片和包括棱鏡片的背光單元 |
KR101489955B1 (ko) * | 2011-12-29 | 2015-02-04 | 제일모직주식회사 | 프리즘 시트, 이를 포함하는 백라이트 유닛 및 이를 포함하는 광학 표시 장치 |
US8915604B2 (en) | 2011-12-29 | 2014-12-23 | Cheil Industries, Inc. | Prism sheet, backlight unit including the same, and optical display apparatus including the same |
US20130170188A1 (en) * | 2011-12-29 | 2013-07-04 | Mi Jeong Choi | Prism sheet, backlight unit including the same, and optical display apparatus including the same |
KR101530052B1 (ko) * | 2013-11-01 | 2015-06-19 | 신화인터텍 주식회사 | 광학 시트, 이를 포함하는 광원 어셈블리와 액정 표시 장치, 및 광학 시트 제조용 패턴 몰드의 제조 방법 |
Also Published As
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KR100938162B1 (ko) | 2010-01-21 |
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