KR100779306B1 - 투과형 광산란 쉬이트 및 액정 표시 장치 - Google Patents
투과형 광산란 쉬이트 및 액정 표시 장치 Download PDFInfo
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- KR100779306B1 KR100779306B1 KR1020017014928A KR20017014928A KR100779306B1 KR 100779306 B1 KR100779306 B1 KR 100779306B1 KR 1020017014928 A KR1020017014928 A KR 1020017014928A KR 20017014928 A KR20017014928 A KR 20017014928A KR 100779306 B1 KR100779306 B1 KR 100779306B1
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Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Description
Claims (24)
- 서로 굴절률이 다른 다수의 중합체로 구성되고, 또한 적어도 액적상 구조를 갖는 광산란층으로 구성되어 있으며, 입사광이 등방적으로 확산되고, 또한 산란각 3 내지 40o에서 산란 광강도가 극대치를 나타내는 투과형 광산란 쉬이트.
- 삭제
- 제1항에 있어서, 액적상 구조의 액적의 평균 직경이 0.1 내지 20 ㎛인 투과형 광산란 쉬이트.
- 제1항에 있어서, 액적상 구조에 있어서 액적 중심간의 평균 거리가 0.5 내지 15 ㎛이고, 또한 액적 중심간의 평균 거리의 표준 편차가 액적 중심간의 평균 거리의 40 %이하인 투과형 광산란 쉬이트.
- 제1항에 있어서, 액적상 구조의 액적의 비율이 광산란층 전체에 대하여 30 내지 7O 체적%인 투과형 광산란 쉬이트.
- 제1항에 있어서, 입사광을 등방적으로 산란하는 광산란층을 포함하고, 상기 광산란층이 2개의 산란각에서 산란 광강도의 극대치를 나타내는 것인 투과형 광산란 쉬이트.
- 제6항에 있어서, 산란 광강도에 있어서 극대치를 나타내는 저각측의 각도 θa가 2 내지 20°인 투과형 광산란 쉬이트.
- 제6항에 있어서, 산란 광강도에 있어서 극대치를 나타내는 저각측의 각도 θa와 극대치를 나타내는 광각측의 각도 θb의 비 θb/θa가, 1.5 내지 10인 투과형 광산란 쉬이트.
- 제6항에 있어서, 광산란층이 적어도 액적상 또는 해도상의 상분리 구조를 취하고, 이 상분리 구조의 분산상의 입경 분포가 평균 입경이 다른 2개의 피크를 나타내는 것인 투과형 광산란 쉬이트.
- 제1항에 있어서, 총광선 투과율이 70 내지 100 %인 투과형 광산란 쉬이트.
- 제1항에 있어서, 다수의 중합체의 굴절률의 차가 0.01 내지 0.2인 투과형 광산란 쉬이트.
- 제1항에 있어서, 다수의 중합체가 스티렌계 수지, (메트)아크릴계 수지, 비닐에스테르계 수지, 비닐에테르계 수지, 할로겐 함유 수지, 지환식 올레핀계 수지, 폴리카보네이트계 수지, 폴리에스테르계 수지, 폴리아미드계 수지, 실리콘계 수지, 셀룰로오스 유도체, 고무 또는 엘라스토머로부터 선택된 제1의 중합체와 제2의 중합체로 구성되어 있고, 제1의 중합체와 제2의 중합체의 비율이 제1 중합체 / 제2 중합체 = 10 / 90 내지 90 / 10 (중량비)인 투과형 광산란 쉬이트.
- 제1항에 있어서, 다수의 중합체 중 적어도 하나의 중합체가 셀룰로오스에스테르류인 투과형 광산란 쉬이트.
- 제1항에 있어서, 다수의 중합체 중 적어도 하나의 중합체가 아세트산셀룰로오스인 투과형 광산란 쉬이트.
- 제1항에 있어서, 굴절률이 서로 다른 다수의 중합체로 구성된 상분리 구조를 갖고 있고, 이 상분리 구조가 다수의 중합체를 포함하는 액상으로부터의 스피노달 (Spinodal) 분해에 의해 형성되어 있는 것인 투과형 광산란 쉬이트.
- 제1항에 있어서, 투명 지지체와, 이 투명 지지체의 적어도 한쪽 면에 적층된 광산란층으로 구성되어 있는 투과형 광산란 쉬이트.
- 제16항에 있어서, 투명 지지체가 광학적으로 등방성인 투과형 광산란 쉬이트.
- 제16항에 있어서, 투명 지지체가 셀룰로오스아세테이트 필름인 투과형 광산란 쉬이트.
- 서로 굴절률이 다른 다수의 중합체를 포함하는 혼합액으로부터 용매를 증발시키고, 스피노달 분해에 의해 적어도 액적상 구조를 갖는 광산란층을 형성하는 투과형 광산란 쉬이트의 제조 방법.
- 제19항에 있어서, 혼합액을 투명 지지체에 도포하고, 혼합액의 용매를 증발시켜 상분리 구조를 형성하는 투과형 광산란 쉬이트의 제조 방법.
- 제19항에 있어서, 서로 굴절률이 다른 다수의 중합체가 균질하게 용해된 용액을, 내용제성 코팅층으로 코팅한 셀룰로오스아세테이트 필름상에 도포하고, 상기 중합체 용액의 용매 증발 과정에서 스피노달 분해에 의해 액적상 구조를 형성하는 투과형 광산란 쉬이트의 제조 방법.
- 액정이 봉입된 액정셀, 이 액정셀의 후방에 배치되며 입사광을 반사하기 위한 반사 수단, 및 이 반사 수단보다도 전방에 배치된 제1항 기재의 투과형 광산란 쉬이트를 구비하고 있는 반사형 액정 표시 장치.
- 제22항에 있어서, 액정셀의 전방에 편광판이 배치되고, 상기 액정셀과 편광판 사이에 투과형 광산란 쉬이트가 배치되어 있는 반사형 액정 표시 장치.
- 제22항에 있어서, 액정셀의 전방에 배치되며 반사광을 편광하기 위한 편광 수단, 및 이 편광 수단과 액정셀의 사이에 배치된 투과형 광산란 쉬이트를 구비하고 있는 반사형 액정 표시 장치.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000082423 | 2000-03-23 | ||
JPJP-P-2000-00082423 | 2000-03-23 | ||
JPJP-P-2000-00387824 | 2000-12-20 | ||
JP2000387824 | 2000-12-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020002506A KR20020002506A (ko) | 2002-01-09 |
KR100779306B1 true KR100779306B1 (ko) | 2007-11-23 |
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KR1020017014928A Expired - Fee Related KR100779306B1 (ko) | 2000-03-23 | 2001-03-21 | 투과형 광산란 쉬이트 및 액정 표시 장치 |
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US (1) | US6788368B2 (ko) |
EP (1) | EP1197765B1 (ko) |
KR (1) | KR100779306B1 (ko) |
CN (1) | CN100354656C (ko) |
DE (1) | DE60101196T2 (ko) |
TW (1) | TW512241B (ko) |
WO (1) | WO2001071395A1 (ko) |
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JP2002214408A (ja) * | 2001-01-12 | 2002-07-31 | Fuji Photo Film Co Ltd | 光拡散体及び表示装置 |
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DE102005004931B4 (de) † | 2005-02-03 | 2008-02-21 | Albis Plastic Gmbh | Beleuchtungsvorrichtung |
TWI384265B (zh) * | 2005-03-30 | 2013-02-01 | Dainippon Printing Co Ltd | Polarizing plate |
DE102005038251B4 (de) * | 2005-08-12 | 2008-04-24 | E.V.I. Vertriebs Gmbh | Kratzschutzfolie für Displays |
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DE102007032169A1 (de) * | 2007-07-10 | 2009-01-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Displayzelle mit kompartimentierter Flüssigkristallschicht, Verfahren zu deren Herstellung und hierfür geeignete, ein Flüssigkristall-Material enthaltende Mischung |
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US20100090796A1 (en) * | 2008-10-10 | 2010-04-15 | Daniel Perez | Movable barrier system adapted to transmit diagnostic information to a remote device |
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US8717660B2 (en) | 2012-07-03 | 2014-05-06 | Qualcomm Mems Technologies, Inc. | Annulus scattering diffuser for reflective display |
JP5954097B2 (ja) * | 2012-10-11 | 2016-07-20 | ソニー株式会社 | 表示装置 |
CN105008888A (zh) * | 2013-02-19 | 2015-10-28 | 旭硝子株式会社 | 评价透明基体的光学特性的方法 |
WO2014156906A1 (ja) * | 2013-03-29 | 2014-10-02 | 旭硝子株式会社 | 透明基体の光学特性の評価方法、光学装置 |
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CN105334562B (zh) * | 2014-07-08 | 2018-05-01 | 上海和辉光电有限公司 | 柔性oled偏光片 |
CN106716185A (zh) * | 2014-09-30 | 2017-05-24 | 株式会社可乐丽 | 扩散板及扩散板的设计方法 |
CN113126355A (zh) * | 2015-07-16 | 2021-07-16 | 东洋纺株式会社 | 液晶显示装置和偏光板 |
TW202244147A (zh) * | 2021-03-19 | 2022-11-16 | 日商富士軟片股份有限公司 | 膜及光感測器 |
CN116643419A (zh) * | 2022-02-15 | 2023-08-25 | 深圳市光鉴科技有限公司 | 一种测试液晶片磨砂态性能的方法 |
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2001
- 2001-03-21 KR KR1020017014928A patent/KR100779306B1/ko not_active Expired - Fee Related
- 2001-03-21 CN CNB018011209A patent/CN100354656C/zh not_active Expired - Lifetime
- 2001-03-21 EP EP01915653A patent/EP1197765B1/en not_active Expired - Lifetime
- 2001-03-21 DE DE60101196T patent/DE60101196T2/de not_active Expired - Lifetime
- 2001-03-21 WO PCT/JP2001/002203 patent/WO2001071395A1/ja active IP Right Grant
- 2001-03-21 US US09/979,524 patent/US6788368B2/en not_active Expired - Fee Related
- 2001-03-22 TW TW090106786A patent/TW512241B/zh not_active IP Right Cessation
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JPH07114013A (ja) * | 1993-10-15 | 1995-05-02 | Sumitomo Chem Co Ltd | 液晶表示装置 |
JPH07261171A (ja) * | 1994-03-24 | 1995-10-13 | Toppan Printing Co Ltd | 反射型液晶表示装置 |
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Also Published As
Publication number | Publication date |
---|---|
EP1197765A4 (en) | 2002-07-24 |
CN100354656C (zh) | 2007-12-12 |
DE60101196D1 (de) | 2003-12-18 |
US6788368B2 (en) | 2004-09-07 |
KR20020002506A (ko) | 2002-01-09 |
CN1366617A (zh) | 2002-08-28 |
EP1197765B1 (en) | 2003-11-12 |
DE60101196T2 (de) | 2004-04-15 |
TW512241B (en) | 2002-12-01 |
US20030025856A1 (en) | 2003-02-06 |
WO2001071395A1 (fr) | 2001-09-27 |
EP1197765A1 (en) | 2002-04-17 |
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