KR102533738B1 - 명암비 및 시야각 개선용 광학필름, 이를 포함하는 편광판 및 액정표시장치 - Google Patents

명암비 및 시야각 개선용 광학필름, 이를 포함하는 편광판 및 액정표시장치 Download PDF

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Publication number
KR102533738B1
KR102533738B1 KR1020200183480A KR20200183480A KR102533738B1 KR 102533738 B1 KR102533738 B1 KR 102533738B1 KR 1020200183480 A KR1020200183480 A KR 1020200183480A KR 20200183480 A KR20200183480 A KR 20200183480A KR 102533738 B1 KR102533738 B1 KR 102533738B1
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KR
South Korea
Prior art keywords
optical film
contrast ratio
polymer dispersion
viewing angle
less
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KR1020200183480A
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English (en)
Korean (ko)
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KR20220092084A (ko
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배중석
고승진
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도레이첨단소재 주식회사
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Priority to KR1020200183480A priority Critical patent/KR102533738B1/ko
Priority to CN202111555111.5A priority patent/CN114675352A/zh
Publication of KR20220092084A publication Critical patent/KR20220092084A/ko
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Publication of KR102533738B1 publication Critical patent/KR102533738B1/ko

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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
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical 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
    • 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
    • G02B5/0273—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
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • 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
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal (AREA)
KR1020200183480A 2020-12-24 2020-12-24 명암비 및 시야각 개선용 광학필름, 이를 포함하는 편광판 및 액정표시장치 KR102533738B1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020200183480A KR102533738B1 (ko) 2020-12-24 2020-12-24 명암비 및 시야각 개선용 광학필름, 이를 포함하는 편광판 및 액정표시장치
CN202111555111.5A CN114675352A (zh) 2020-12-24 2021-12-17 用于改善对比度及视角的光学膜、偏光板及液晶显示装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020200183480A KR102533738B1 (ko) 2020-12-24 2020-12-24 명암비 및 시야각 개선용 광학필름, 이를 포함하는 편광판 및 액정표시장치

Publications (2)

Publication Number Publication Date
KR20220092084A KR20220092084A (ko) 2022-07-01
KR102533738B1 true KR102533738B1 (ko) 2023-05-16

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KR1020200183480A KR102533738B1 (ko) 2020-12-24 2020-12-24 명암비 및 시야각 개선용 광학필름, 이를 포함하는 편광판 및 액정표시장치

Country Status (2)

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KR (1) KR102533738B1 (zh)
CN (1) CN114675352A (zh)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000001623A (ja) * 1998-05-22 2000-01-07 Rohm & Haas Co ポリマ―組成物
JP2008545151A (ja) * 2005-05-10 2008-12-11 スリーエム イノベイティブ プロパティズ カンパニー 無機繊維を含む複合光学体の製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100431441B1 (ko) 2000-12-21 2004-05-14 주식회사 엘지화학 편광판용 아크릴계 점착제 조성물 및 이를 적용한 편광판
KR20120085755A (ko) * 2009-09-04 2012-08-01 스미또모 가가꾸 가부시키가이샤 광확산 필름과 그 제조 방법, 광확산성 편광판, 및 액정 표시 장치
KR20200060052A (ko) * 2018-11-22 2020-05-29 도레이첨단소재 주식회사 광학체 및 이를 포함하는 표시장치

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000001623A (ja) * 1998-05-22 2000-01-07 Rohm & Haas Co ポリマ―組成物
JP2008545151A (ja) * 2005-05-10 2008-12-11 スリーエム イノベイティブ プロパティズ カンパニー 無機繊維を含む複合光学体の製造方法

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KR20220092084A (ko) 2022-07-01
CN114675352A (zh) 2022-06-28

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