KR101931377B1 - 중합체가 분산된 반사형 편광자 - Google Patents
중합체가 분산된 반사형 편광자 Download PDFInfo
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- KR101931377B1 KR101931377B1 KR1020120087397A KR20120087397A KR101931377B1 KR 101931377 B1 KR101931377 B1 KR 101931377B1 KR 1020120087397 A KR1020120087397 A KR 1020120087397A KR 20120087397 A KR20120087397 A KR 20120087397A KR 101931377 B1 KR101931377 B1 KR 101931377B1
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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
- G02F1/133528—Polarisers
- G02F1/133536—Reflective polarizers
-
- 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
- G02B5/305—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 including organic materials, e.g. polymeric layers
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/56—Substrates having a particular shape, e.g. non-rectangular
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- Optics & Photonics (AREA)
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- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Polarising Elements (AREA)
Abstract
또한 본 발명의 반사형 편광자는 표면에 대전방지제가 묻어나지 않으면서 휘도저하 및 색편차가 발생하지 않고 대전방지 성능을 극대화할 수 있다. 또한, 내스크래치성이 개선되며 투명성이 유지되고 색편차가 발생하지 않으면서 높은 UV 흡수능을 가진다.
Description
도 2는 현재 사용되고 있는 다층 반사형 편광자(DBEF)의 단면도이다.
도 3은 봉상형 폴리머를 포함하는 반사형 편광자의 사시도이다.
도 4a는 반사형 편광자에 사용되는 복굴절성 해도사에 입사한 광의 경로를 도시한 단면도이다.
도 4b는 본 발명의 바람직한 일실시예에 따른 보호필름을 포함하는 반사형 편광자의 단면도이다.
도 5는 본 발명의 바람직한 일실시예에 따른 반사형 편광자의 단면도이다.
도 6은 본 발명의 바람직한 다른 일실시예에 따른 반사형 편광자의 단면도이다.
도 7은 본 발명의 바람직한 또 다른 일실시예에 따른 반사형 편광자의 단면도이다.
도 8은 본 발명의 바람직한 일실시예에 따른 반사형 편광자의 사시도이다.
도 9는 본 발명의 바람직한 일실시예에 따른 판상형 중합체의 단면도이다.
도 10 및 도 11은 본 발명에 사용될 수 있는 해도(sea-island)형 압출구금의 구금분배판들의 결합구조를 내타낸 사시도이다.
도 12는 본 발명의 바람직한 다른 일실시예에 따른 구금분배판의 단면도이다.
도 13 및 도 14는 본 발명의 바람직한 일실시예에 따른 구금분배판의 도성분 공급로의 배열을 상세히 나타낸 단면도이다.
도 15 및 도 16은 본 발명에 사용될 수 있는 해도형(sea-island type) 압출구금의 구금분배판들의 결합구조를 내타낸 사시도이다.
도 17은 본 발명의 바람직한 일실시예에 따른 복수개의 해도형 압출구금을 나타내는 도면이다.
도 18은 본 발명의 바람직한 일실시예에 따른 2개의 해도형 복합류를 형성하기 위하여 제1 가압수단을 포함하는 개략도이다.
도 19는 본 발명의 바람직한 일실시예에 따른 2개의 해도형 복합류를 형성하기 위하여 2개의 제2 가압수단들을 포함하는 개략도이다.
도 20은 본 발명의 바람직한 일실시예에 따른 2개의 해도형 복합류를 형성하기 위하여 하나의 제2 가압수단을 포함하는 개략도이다.
도 21은 본 발명의 바람직한 일실시예에 따른 해도형 복합류의 합지부를 나타내는 개략도이다.
도 22는 본 발명의 바람직한 일실시예에 따른 코트-행거 다이의 단면도이며, 도 23은 측면도이다.
도 24는 본 발명의 바람직한 일구현예에 따른 중합체가 분산된 반사편광자를 제조하는 장치의 개략도이다.
도 25는 본 발명의 바람직한 다른 일구현예에 따른 중합체가 분산된 반사편광자를 제조하는 장치의 개략도이다.
도 26은 본 발명의 바람직한 또 다른 일구현예에 따른 중합체가 분산된 반사편광자를 제조하는 장치의 개략도이다.
도 27은 본 발명의 바람직한 또 다른 일구현예에 따른 본 발명의 반사형 편광자를 포함하는 중합체가 분산된 반사형 편광자의 분해사시도이다.
상대휘도(%) | 휘도균일성 | 표면저항(Ω/□) | CIE x | CIE y | |
실시예 1 | 100 | 88% | E11 | - | - |
실시예 2 | 100 | 88% | E11 | 2/1000 | 2/1000 |
비교예 1 | 90 | 80% | E10 | 2/100 | 2/100 |
Claims (20)
- 외부에서 조사되는 제1 편광을 투과시키고 제2 편광을 반사시키기 위하여, 기재 내부에 분산된 복수의 판상형 중합체를 포함하며, 상기 복수의 판상형 중합체는 상기 기재와 적어도 하나의 축방향으로 굴절율이 상이하고, 상기 기재는 적어도 하나의 축방향으로 신장되며, 상기 복수의 판상형 중합체는 각각 원하는 파장의 횡파(S파)를 반사하기 위하여 그룹을 형성하며, 상기 그룹은 복수개가 형성되며, 그룹간 판상형 중합체들의 평균 광학적 두께가 상이하고, 상기 판상형 중합체의 길이방향의 수직단면을 기준으로 장축길이에 대한 단축길이의 종횡비가 1/1000 이하인 코어층; 및
상기 코어층의 적어도 일면에 일체로 형성되며 무기미립자 및 대전방지능을 갖는 계면활성제를 단독 또는 혼합하여 포함하는 스킨층을 포함하는 중합체가 분산된 반사형 편광자. - 제1항에 있어서,
상기 반사형 편광자는 적어도 일면에 점착층 및 보호필름을 포함하며,
상기 점착층은 대전방지능을 갖는 계면활성제를 포함하는 것을 특징으로 하는 중합체가 분산된 반사형 편광자. - 제1항 또는 제2항에 있어서,
상기 대전방지능을 갖는 계면활성제는 알킬 황산 에스테르, 알킬 아릴 술폰산 또는 알킬 인산 에스테르, 4차 암모늄 염 또는 이미다졸린, 알킬베타인, 알킬이미다졸린, 알킬알라닌, 소르비탄 지방산 에스테르, 글리세롤 지방산 에스테르, 폴리(옥시에틸렌)알킬아민 및 폴리(옥시에틸렌)알킬 에테르로 구성되는 군으로부터 선택되는 어느 하나 이상인 것을 특징으로 하는 중합체가 분산된 반사형 편광자. - 제1항에 있어서,
상기 대전방지능을 갖는 계면활성제는 스킨층 100중량%에 대하여 3 ~ 20 중량%를 포함하는 것을 특징으로 하는 중합체가 분산된 반사형 편광자. - 제1항에 있어서,
상기 무기 미립자는 콜로이달 실리카 또는 내UV제인 것을 특징으로 하는 중합체가 분산된 반사형 편광자. - 제5항에 있어서,
상기 콜로이달 실리카는 평균직경이 1 ~ 200㎚인 콜로이달 실리카인 것을 특징으로 하는 중합체가 분산된 반사형 편광자. - 제5항에 있어서,
상기 내UV제는 하이드록시벤조페논, 하이드록시페닐 벤조트리아졸, 시아노아크릴레이트, 옥사닐라이드, 하이드록시페닐 트라이아진 및 벤즈옥사지논으로 구성되는 군으로부터 선택되는 어느 하나 이상인 것을 특징으로 하는 중합체가 분산된 반사형 편광자. - 제1항에 있어서,
상기 무기 미립자는 내스크래치성 향상을 위한 1 ~ 5㎛ 크기의 실리카 입자인 것을 특징으로 하는 중합체가 분산된 반사형 편광자. - 제1항에 있어서, 상기 기재와 중합체의 굴절율은 2개의 축 방향에 대한 굴절율의 차이가 0.05 이하이고, 나머지 1개의 축방향에 대한 굴절율의 차이가 0.1 이상인 것을 특징으로 하는 중합체가 분산된 반사형 편광자.
- 제1항에 있어서, 상기 복수의 판상형 중합체는 4개의 파장대역의 광을 반사하기 위하여 4개의 그룹을 형성하는 것을 특징으로 하는 중합체가 분산된 반사형 편광자.
- 제1항에 있어서, 상기 판상형 중합체의 광학적 두께는 원하는 광파장(λ)의 1/3 ~ 1/5인 것을 특징으로 하는 중합체가 분산된 반사형 편광자.
- 제1항에 있어서,
동일한 상기 그룹에 포함된 중합체들의 광학적 두께는 평균 광학적 두께 대비 30% 이내의 두께편차를 갖는 것을 특징으로 하는 중합체가 분산된 반사형 편광자. - 제10항에 있어서, 상기 4개의 반사대역은 350nm, 450nm, 550nm 및 650nm의 파장대역을 포함하는 것을 특징으로 하는 중합체가 분산된 반사형 편광자.
- 제1항에 있어서, 상기 복수개의 그룹은 중합체의 길이방향의 단면을 기준으로 복수개의 이격된 레이어를 형성하는 것을 특징으로 하는 중합체가 분산된 반사형 편광자.
- 제14항에 있어서,
상기 레이어의 개수는 50개 이상인 것을 특징으로 하는 중합체가 분산된 반사형 편광자. - 삭제
- 삭제
- 삭제
- 제1항에 있어서,
상기 코어층은 동일한 그룹을 형성하는 인접한 중합체간의 간격의 최대값이 서로 이웃하는 그룹사이의 인접한 중합체간의 간격의 최대값보다 작은 것을 특징으로 하는 중합체가 분산된 반사형 편광자. - 제1항에 있어서,
상기 그룹과 그룹사이에 접착층이 형성되지 않고, 상기 코어층과 스킨층 사이에 접착층이 형성되지 않는 것을 특징으로 하는 중합체가 분산된 반사형 편광자.
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JP2993736B2 (ja) * | 1991-01-22 | 1999-12-27 | ミネソタ マイニング アンド マニュファクチャリング カンパニー | 板状ポリマー体とその製造方法 |
US20040234724A1 (en) * | 2003-05-22 | 2004-11-25 | Eastman Kodak Company | Immisible polymer filled optical elements |
KR100716073B1 (ko) * | 1999-09-20 | 2007-05-11 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 하나 이상의 입자 함유층을 가진 광학 필름 |
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US5867316A (en) * | 1996-02-29 | 1999-02-02 | Minnesota Mining And Manufacturing Company | Multilayer film having a continuous and disperse phase |
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JP2993736B2 (ja) * | 1991-01-22 | 1999-12-27 | ミネソタ マイニング アンド マニュファクチャリング カンパニー | 板状ポリマー体とその製造方法 |
KR100716073B1 (ko) * | 1999-09-20 | 2007-05-11 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 하나 이상의 입자 함유층을 가진 광학 필름 |
US20040234724A1 (en) * | 2003-05-22 | 2004-11-25 | Eastman Kodak Company | Immisible polymer filled optical elements |
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