KR100980068B1 - 광학용 복합 필름 - Google Patents
광학용 복합 필름 Download PDFInfo
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- KR100980068B1 KR100980068B1 KR1020070086733A KR20070086733A KR100980068B1 KR 100980068 B1 KR100980068 B1 KR 100980068B1 KR 1020070086733 A KR1020070086733 A KR 1020070086733A KR 20070086733 A KR20070086733 A KR 20070086733A KR 100980068 B1 KR100980068 B1 KR 100980068B1
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- Prior art keywords
- light
- film
- layer
- composite film
- optical composite
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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
- G02B5/021—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/14—Protective coatings, e.g. hard coatings
-
- 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
- G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
- G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
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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
- G02B6/0033—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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- 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
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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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
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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
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Nonlinear Science (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Description
이하의 실시예에서 굴절율은 ABBE 굴절계(ATAGO사 제품)를 이용하여 측정된 값으로, 통상 ABBE 굴절계 중 모델명 1T는 측정 굴절율 범위 1.300 내지 1.700인 시료의 측정에 적합하며, 모델명 4T는 측정 굴절율 범위 1.470 내지 1.870인 시료의 측정에 적합하며, 일반적인 측정온도는 실온(25℃)이다.
Claims (7)
- 투명기재층;상기 투명기재층의 일면에 형성되며, 바인더 수지와 광확산성 입자를 포함하되 광확산성 입자와 바인더 수지와의 굴절률 차이가 0.05 이하인 광확산층; 및상기 광확산층 상에 형성된 프리즘층을 포함하고,상기 프리즘층은 그 굴절률이 광확산층의 바인더 수지의 굴절률에 대하여 0.01 ~ 0.2 높은 것인 광학용 복합 필름.
- 제 1 항에 있어서,광확산층은 입경이 1~50㎛인 광확산성 입자를 바인더 수지 고형분 함량 100중량부에 대하여 10~500중량부로 포함하는 것을 특징으로 하는 광학용 복합 필름.
- 삭제
- 제 1 항에 있어서,프리즘층은 다각뿔, 원뿔, 반구형 및 비구형 중 선택된 프리즘 구조의 선형 배열 구조 또는 비선형 배열 구조의 패턴을 갖는 것임을 특징으로 하는 광학용 복합 필름.
- 제 1 항, 제 2 항, 제 4 항 중 선택된 어느 한 항의 광학용 복합 필름; 및상기 광학용 복합 필름의 상부 또는 하부에 위치되는 광확산 필름을 포함하는 백라이트 유닛 어셈블리.
- 제 1 항, 제 2 항, 제 4 항 중 선택된 어느 한 항의 광학용 복합 필름; 및상기 광학용 복합 필름의 상부 또는 하부에 위치되는 프리즘 필름을 포함하는 백라이트 유닛 어셈블리.
- 제 1 항, 제 2 항, 제 4 항 중 선택된 어느 한 항의 광학용 복합 필름; 및상기 광학용 복합 필름의 상부에 위치되는 보호필름을 포함하는 백라이트 유닛 어셈블리.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070086733A KR100980068B1 (ko) | 2007-08-28 | 2007-08-28 | 광학용 복합 필름 |
CN2011101265148A CN102176080A (zh) | 2007-03-20 | 2008-03-19 | 光学片 |
CN200880008951.6A CN101636670B (zh) | 2007-03-20 | 2008-03-19 | 光学片 |
US12/532,081 US8506149B2 (en) | 2007-03-20 | 2008-03-19 | Optical sheets |
CN201110126515.2A CN102176081B (zh) | 2007-03-20 | 2008-03-19 | 光学片 |
PCT/KR2008/001554 WO2008115008A1 (en) | 2007-03-20 | 2008-03-19 | Optical sheets |
TW097109950A TWI380056B (en) | 2007-03-20 | 2008-03-20 | Optical sheets |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070086733A KR100980068B1 (ko) | 2007-08-28 | 2007-08-28 | 광학용 복합 필름 |
Publications (2)
Publication Number | Publication Date |
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KR20090021862A KR20090021862A (ko) | 2009-03-04 |
KR100980068B1 true KR100980068B1 (ko) | 2010-09-06 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020070086733A KR100980068B1 (ko) | 2007-03-20 | 2007-08-28 | 광학용 복합 필름 |
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KR (1) | KR100980068B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10935715B2 (en) | 2018-04-23 | 2021-03-02 | Samsung Display Co., Ltd. | Display device |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101068438B1 (ko) * | 2009-04-27 | 2011-09-28 | 웅진케미칼 주식회사 | 백라이트 유니트용 복합시트 |
KR101114352B1 (ko) * | 2010-10-07 | 2012-02-13 | 주식회사 엘지화학 | 유기전자소자용 기판 및 그 제조방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07174909A (ja) * | 1993-10-27 | 1995-07-14 | Fuji Photo Film Co Ltd | 光拡散板 |
KR20070013677A (ko) * | 2005-07-27 | 2007-01-31 | 주식회사 코오롱 | 광제어 필름 |
-
2007
- 2007-08-28 KR KR1020070086733A patent/KR100980068B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07174909A (ja) * | 1993-10-27 | 1995-07-14 | Fuji Photo Film Co Ltd | 光拡散板 |
KR20070013677A (ko) * | 2005-07-27 | 2007-01-31 | 주식회사 코오롱 | 광제어 필름 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10935715B2 (en) | 2018-04-23 | 2021-03-02 | Samsung Display Co., Ltd. | Display device |
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KR20090021862A (ko) | 2009-03-04 |
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