JP7152129B2 - 偏光板及びこれを含む液晶表示装置 - Google Patents
偏光板及びこれを含む液晶表示装置 Download PDFInfo
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- JP7152129B2 JP7152129B2 JP2016033198A JP2016033198A JP7152129B2 JP 7152129 B2 JP7152129 B2 JP 7152129B2 JP 2016033198 A JP2016033198 A JP 2016033198A JP 2016033198 A JP2016033198 A JP 2016033198A JP 7152129 B2 JP7152129 B2 JP 7152129B2
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- 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
- 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
- G02B5/30—Polarising elements
- G02B5/3083—Birefringent or phase retarding 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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
- C09K2323/03—Viewing layer characterised by chemical composition
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
- C09K2323/03—Viewing layer characterised by chemical composition
- C09K2323/035—Ester polymer, e.g. polycarbonate, polyacrylate or polyester
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
- C09K2323/05—Bonding or intermediate layer characterised by chemical composition, e.g. sealant or spacer
-
- 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
- G02F1/133507—Films for enhancing the luminance
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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)
- Optical Elements Other Than Lenses (AREA)
Description
Re=(nx-ny)×d
Rth=((nx+ny)/2-nz)×d
NZ=(nx-nz)/(nx-ny)
Claims (13)
- 偏光子、並びに
前記偏光子の一面上に形成された、複数の陰刻パターンを有する高屈折層、及び前記陰刻パターンの少なくとも一部を充填する充填パターンを含む低屈折層を含むパターン層を含む偏光板であって、
前記偏光板は第1の保護層をさらに含み、
前記偏光板は、前記偏光子、前記低屈折層、前記高屈折層、及び前記第1の保護層が順次積層された構造であるか、前記偏光子、前記第1の保護層、前記低屈折層、及び前記高屈折層が順次積層された構造であり、
前記第1の保護層は、トリアセチルセルロース(TAC)、ポリエチレンテレフタレート、環状オレフィンポリマー(COP)、及びアクリル樹脂のうち一つ以上で形成された基材フィルムを含み、
前記高屈折層の屈折率は前記低屈折層の屈折率より大きく、
前記高屈折層と前記低屈折層の屈折率差は0.30以下であり、
前記陰刻パターンのアスペクト比は1.0以下であり、
前記パターン層は、前記偏光子から入射された偏光を拡散させるために前記偏光子の一面上に形成され、
前記各陰刻パターンの間に平坦部がさらに形成され、
前記低屈折層のうち前記充填パターン以外の部分は、前記平坦部と前記偏光子との間に位置し、
前記平坦部の幅に対する前記陰刻パターンの最大幅の比は1.0以下である、偏光板。 - 前記陰刻パターンは、曲面を含む光学パターンまたは断面がn角形(nは、4~10の整数)であるプリズムパターンを含む、請求項1に記載の偏光板。
- 前記陰刻パターンは、断面が三角形であるプリズムの上部が切断された形態、またはレンチキュラーレンズパターンの上部が切断された形態である陰刻パターンを含む、請求項1に記載の偏光板。
- 前記第1の保護層は、波長550nmにおいて面方向位相差(Re)が8,000nm以上である、ポリエチレンテレフタレート樹脂で形成されたものである、請求項1に記載の偏光板。
- 前記第1の保護層は、前記基材フィルム、及び前記基材フィルムの少なくとも一面に形成されたプライマー層を含み、前記基材フィルムの屈折率に対する前記プライマー層の屈折率の比は1.0以下である、請求項1に記載の偏光板。
- 前記第1の保護層は、波長550nmにおいて光透過率が90%以上である、請求項5に記載の偏光板。
- 前記第1の保護層は、前記ポリエチレンテレフタレート樹脂で形成された基材フィルムを1軸延伸したものである、請求項1に記載の偏光板。
- 前記偏光子上に前記低屈折層、前記高屈折層及び前記第1の保護層が順次積層されたものである、請求項1に記載の偏光板。
- 前記高屈折層と前記第1の保護層は直接接している、請求項8に記載の偏光板。
- 前記偏光子と前記低屈折層の間に形成された接着層をさらに含む、請求項8に記載の偏光板。
- 前記偏光子の他面上に形成された第2の保護層をさらに含む、請求項1に記載の偏光板。
- 前記第2の保護層がトリアセチルセルロース(TAC)、ポリエチレンテレフタレート、環状オレフィンポリマー(COP)、及びアクリル樹脂のうち一つ以上で形成されたフィルムを含む、請求項11に記載の偏光板。
- 請求項1に記載の偏光板を含む液晶表示装置。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021176853A JP7394102B2 (ja) | 2015-02-27 | 2021-10-28 | 偏光板及び液晶表示装置 |
| JP2023127513A JP2023133583A (ja) | 2015-02-27 | 2023-08-04 | 偏光板 |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2015-0028637 | 2015-02-27 | ||
| KR1020150028637A KR101665239B1 (ko) | 2015-02-27 | 2015-02-27 | 편광판 및 이를 포함하는 액정표시장치 |
| KR10-2015-0156117 | 2015-11-06 | ||
| KR1020150156117A KR101659241B1 (ko) | 2015-11-06 | 2015-11-06 | 시인성 개선 광학필름, 이를 포함하는 편광판, 이를 포함하는 액정표시장치용 모듈 및 이를 포함하는 액정표시장치 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021176853A Division JP7394102B2 (ja) | 2015-02-27 | 2021-10-28 | 偏光板及び液晶表示装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2016161943A JP2016161943A (ja) | 2016-09-05 |
| JP7152129B2 true JP7152129B2 (ja) | 2022-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016033198A Active JP7152129B2 (ja) | 2015-02-27 | 2016-02-24 | 偏光板及びこれを含む液晶表示装置 |
| JP2021176853A Active JP7394102B2 (ja) | 2015-02-27 | 2021-10-28 | 偏光板及び液晶表示装置 |
| JP2023127513A Withdrawn JP2023133583A (ja) | 2015-02-27 | 2023-08-04 | 偏光板 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021176853A Active JP7394102B2 (ja) | 2015-02-27 | 2021-10-28 | 偏光板及び液晶表示装置 |
| JP2023127513A Withdrawn JP2023133583A (ja) | 2015-02-27 | 2023-08-04 | 偏光板 |
Country Status (4)
| Country | Link |
|---|---|
| US (3) | US10775539B2 (ja) |
| JP (3) | JP7152129B2 (ja) |
| CN (2) | CN105929476B (ja) |
| TW (1) | TWI613469B (ja) |
Cited By (1)
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|---|---|---|---|---|
| US20200393604A1 (en) * | 2015-02-27 | 2020-12-17 | Samsung Sdi Co., Ltd. | Polarizing plate and liquid crystal display comprising the same |
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Also Published As
| Publication number | Publication date |
|---|---|
| US11988811B2 (en) | 2024-05-21 |
| US20240094454A1 (en) | 2024-03-21 |
| JP2022025112A (ja) | 2022-02-09 |
| CN114047573A (zh) | 2022-02-15 |
| US10775539B2 (en) | 2020-09-15 |
| CN114047573B (zh) | 2025-03-04 |
| JP2023133583A (ja) | 2023-09-22 |
| CN105929476B (zh) | 2021-12-07 |
| US12204074B2 (en) | 2025-01-21 |
| TWI613469B (zh) | 2018-02-01 |
| US20160252665A1 (en) | 2016-09-01 |
| TW201631340A (zh) | 2016-09-01 |
| US20200393604A1 (en) | 2020-12-17 |
| JP7394102B2 (ja) | 2023-12-07 |
| CN105929476A (zh) | 2016-09-07 |
| JP2016161943A (ja) | 2016-09-05 |
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