KR100915210B1 - 광학 필름 및 그 사용법 - Google Patents
광학 필름 및 그 사용법Info
- Publication number
- KR100915210B1 KR100915210B1 KR1020050028548A KR20050028548A KR100915210B1 KR 100915210 B1 KR100915210 B1 KR 100915210B1 KR 1020050028548 A KR1020050028548 A KR 1020050028548A KR 20050028548 A KR20050028548 A KR 20050028548A KR 100915210 B1 KR100915210 B1 KR 100915210B1
- Authority
- KR
- South Korea
- Prior art keywords
- reflective film
- inorganic particles
- substrate
- resins
- liquid crystal
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
- G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/003—Light absorbing 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
- G02F1/133528—Polarisers
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mathematical Physics (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Optical Elements Other Than Lenses (AREA)
- Laminated Bodies (AREA)
- Liquid Crystal (AREA)
Abstract
Description
필름두께 | 100시간 노출△YI | 200시간 노출△YI | 300시간 노출△YI | 500시간 노출△YI | |
실시예1 | 10㎛ | 0.60 | 0.65 | 0.90 | 1.18 |
실시예2 | 10㎛ | 0.61 | 0.67 | 0.92 | 1.20 |
비교예1 | 10㎛ | 3.74 | 6.05 | 7.95 | 9.34 |
Claims (14)
- 기판을 포함하는 반사 필름에 있어서,상기 기판 표면들 중 적어도 하나는 UV 흡수 특성을 갖는 무기 입자를 포함하는 코팅을 가지며,상기 무기 입자는 1㎚ 내지 100㎚ 범위의 직경을 갖는반사 필름.
- 삭제
- 제1항에 있어서,상기 무기 입자는, 아연 산화물, 실리콘 이산화물, 티타늄 이산화물, 알루미늄 산화물, 황산 칼슘, 황산 바륨, 탄산 칼슘 및 그 혼합물로 이루어지는 그룹으로부터 선택되는반사 필름.
- 삭제
- 제1항에 있어서,상기 무기 입자는 20㎚ 내지 50㎚ 범위의 직경을 갖는반사 필름.
- 제1항에 있어서,상기 기판은 적어도 하나의 중합체 수지층을 포함하는반사 필름.
- 제6항에 있어서,상기 중합체 수지는, 폴리에스테르 수지, 폴리아크릴레이트 수지, 폴리올레핀 수지, 폴리카보네이트 수지, 폴리우레탄 수지 및 그 혼합물로 이루어지는 그룹으로부터 선택되는반사 필름.
- 제7항에 있어서,상기 폴리에스테르 수지는 폴리에틸렌 테레프탈레이트인반사 필름.
- 제7항에 있어서,상기 폴리아크릴레이트 수지는 폴리메틸메타크릴레이트인반사 필름.
- 제7항에 있어서,상기 폴리올레핀 수지는 폴리에틸렌 또는 폴리프로필렌인반사 필름.
- 삭제
- 삭제
- 제1항에 있어서,상기 코팅은 형광 밝기 인핸서(fluorescence brightness enhancer) 또는 UV-흡수제 또는 그 혼합물을 더 포함하는반사 필름.
- 액정 표시 장치의 밝기 성능을 강화하는 방법에 있어서,상기 액정 표시 장치의 백라이트 소스용 반사 필름으로서 제1항에 따른 반사 필름을 사용하는 단계를 포함하는 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW093109522 | 2004-04-06 | ||
TW093109522A TWI282016B (en) | 2004-04-06 | 2004-04-06 | Optical film and uses thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060045530A KR20060045530A (ko) | 2006-05-17 |
KR100915210B1 true KR100915210B1 (ko) | 2009-09-02 |
Family
ID=35332804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050028548A KR100915210B1 (ko) | 2004-04-06 | 2005-04-06 | 광학 필름 및 그 사용법 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP2005301271A (ko) |
KR (1) | KR100915210B1 (ko) |
TW (1) | TWI282016B (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100844884B1 (ko) * | 2006-12-05 | 2008-07-09 | 웅진케미칼 주식회사 | 고백색도의 미연신 반사시트 및 그의 제조방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10730A (ja) * | 1996-06-17 | 1998-01-06 | Toyo Ink Mfg Co Ltd | 光反射フィルム |
US6166793A (en) * | 1997-06-06 | 2000-12-26 | Sumitomo Chemical Company, Limited | Reflective liquid crystal display with angularly selective light diffuser directly on reflector |
KR20040078188A (ko) * | 2003-03-03 | 2004-09-10 | 주식회사 코오롱 | 백라이트 유니트용 반사필름 |
KR20040085622A (ko) * | 2003-04-01 | 2004-10-08 | 주식회사 코오롱 | 백라이트 유니트용 반사필름 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05281404A (ja) * | 1992-03-31 | 1993-10-29 | Toshiba Lighting & Technol Corp | 反射体 |
JP3250888B2 (ja) * | 1993-10-08 | 2002-01-28 | 三井化学株式会社 | 艶消し反射フィルム |
JPH11237506A (ja) * | 1998-02-20 | 1999-08-31 | Nippon Shokubai Co Ltd | 光選択透過膜 |
JP4275787B2 (ja) * | 1999-01-21 | 2009-06-10 | 住友大阪セメント株式会社 | 遮光フィルム |
JP3870731B2 (ja) * | 2000-07-12 | 2007-01-24 | 東レ株式会社 | 面光源反射部材用白色フィルム |
JP2003139926A (ja) * | 2001-10-31 | 2003-05-14 | Toray Ind Inc | 光反射フィルムおよびそれを用いた画像表示用バックライト装置 |
JP2004004417A (ja) * | 2002-04-18 | 2004-01-08 | Nitto Denko Corp | 光拡散性シート、光学素子および画像表示装置 |
-
2004
- 2004-04-06 TW TW093109522A patent/TWI282016B/zh not_active IP Right Cessation
-
2005
- 2005-04-06 JP JP2005110247A patent/JP2005301271A/ja active Pending
- 2005-04-06 KR KR1020050028548A patent/KR100915210B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10730A (ja) * | 1996-06-17 | 1998-01-06 | Toyo Ink Mfg Co Ltd | 光反射フィルム |
US6166793A (en) * | 1997-06-06 | 2000-12-26 | Sumitomo Chemical Company, Limited | Reflective liquid crystal display with angularly selective light diffuser directly on reflector |
KR20040078188A (ko) * | 2003-03-03 | 2004-09-10 | 주식회사 코오롱 | 백라이트 유니트용 반사필름 |
KR20040085622A (ko) * | 2003-04-01 | 2004-10-08 | 주식회사 코오롱 | 백라이트 유니트용 반사필름 |
Also Published As
Publication number | Publication date |
---|---|
KR20060045530A (ko) | 2006-05-17 |
TWI282016B (en) | 2007-06-01 |
TW200534001A (en) | 2005-10-16 |
JP2005301271A (ja) | 2005-10-27 |
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