JP2021173810A - 位相差層付偏光板および画像表示装置 - Google Patents

位相差層付偏光板および画像表示装置 Download PDF

Info

Publication number
JP2021173810A
JP2021173810A JP2020075825A JP2020075825A JP2021173810A JP 2021173810 A JP2021173810 A JP 2021173810A JP 2020075825 A JP2020075825 A JP 2020075825A JP 2020075825 A JP2020075825 A JP 2020075825A JP 2021173810 A JP2021173810 A JP 2021173810A
Authority
JP
Japan
Prior art keywords
retardation layer
polarizing plate
retardation
layer
film
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2020075825A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021173810A5 (enExample
Inventor
草平 有賀
Sohei Ariga
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nitto Denko Corp
Original Assignee
Nitto Denko Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nitto Denko Corp filed Critical Nitto Denko Corp
Priority to JP2020075825A priority Critical patent/JP2021173810A/ja
Priority to TW110102659A priority patent/TWI871425B/zh
Priority to KR1020210021724A priority patent/KR20210130630A/ko
Priority to CN202110208479.8A priority patent/CN113534317A/zh
Publication of JP2021173810A publication Critical patent/JP2021173810A/ja
Publication of JP2021173810A5 publication Critical patent/JP2021173810A5/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • 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
    • 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
    • G02F1/13363—Birefringent elements, e.g. for optical compensation

Landscapes

  • 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)
JP2020075825A 2020-04-22 2020-04-22 位相差層付偏光板および画像表示装置 Pending JP2021173810A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2020075825A JP2021173810A (ja) 2020-04-22 2020-04-22 位相差層付偏光板および画像表示装置
TW110102659A TWI871425B (zh) 2020-04-22 2021-01-25 附相位差層之偏光板及圖像顯示裝置
KR1020210021724A KR20210130630A (ko) 2020-04-22 2021-02-18 위상차층 부착 편광판 및 화상 표시 장치
CN202110208479.8A CN113534317A (zh) 2020-04-22 2021-02-24 带相位差层偏振片以及图像显示装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020075825A JP2021173810A (ja) 2020-04-22 2020-04-22 位相差層付偏光板および画像表示装置

Publications (2)

Publication Number Publication Date
JP2021173810A true JP2021173810A (ja) 2021-11-01
JP2021173810A5 JP2021173810A5 (enExample) 2023-04-18

Family

ID=78094363

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020075825A Pending JP2021173810A (ja) 2020-04-22 2020-04-22 位相差層付偏光板および画像表示装置

Country Status (4)

Country Link
JP (1) JP2021173810A (enExample)
KR (1) KR20210130630A (enExample)
CN (1) CN113534317A (enExample)
TW (1) TWI871425B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025142274A1 (ja) * 2023-12-27 2025-07-03 日本ゼオン株式会社 液晶表示装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008020670A (ja) * 2006-07-13 2008-01-31 Nitto Denko Corp 液晶パネル及び液晶表示装置
JP2009251442A (ja) * 2008-04-09 2009-10-29 Nitto Denko Corp 積層光学フィルム、積層光学フィルムを用いた液晶パネルおよび液晶表示装置
JP2018180407A (ja) * 2017-04-19 2018-11-15 住友化学株式会社 偏光板および液晶パネル
JP2021076759A (ja) * 2019-11-12 2021-05-20 日東電工株式会社 位相差層付偏光板および画像表示装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2779851B2 (ja) 1989-11-30 1998-07-23 電気化学工業株式会社 焼結体の製造方法およびその製造装置
JP2005173585A (ja) * 2003-11-21 2005-06-30 Nippon Zeon Co Ltd 液晶表示装置
JP4618675B2 (ja) * 2005-02-08 2011-01-26 日東電工株式会社 位相差フィルム、偏光素子、液晶パネルおよび液晶表示装置
KR20100060092A (ko) * 2008-11-27 2010-06-07 동우 화인켐 주식회사 상판 편광판 및 이를 포함하는 면상 스위칭 모드 액정표시장치
KR102768152B1 (ko) * 2018-03-30 2025-02-13 니폰 제온 가부시키가이샤 광학 이방성 적층체, 편광판, 및 화상 표시 장치

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008020670A (ja) * 2006-07-13 2008-01-31 Nitto Denko Corp 液晶パネル及び液晶表示装置
JP2009251442A (ja) * 2008-04-09 2009-10-29 Nitto Denko Corp 積層光学フィルム、積層光学フィルムを用いた液晶パネルおよび液晶表示装置
JP2018180407A (ja) * 2017-04-19 2018-11-15 住友化学株式会社 偏光板および液晶パネル
JP2021076759A (ja) * 2019-11-12 2021-05-20 日東電工株式会社 位相差層付偏光板および画像表示装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025142274A1 (ja) * 2023-12-27 2025-07-03 日本ゼオン株式会社 液晶表示装置

Also Published As

Publication number Publication date
KR20210130630A (ko) 2021-11-01
CN113534317A (zh) 2021-10-22
TW202208896A (zh) 2022-03-01
TWI871425B (zh) 2025-02-01

Similar Documents

Publication Publication Date Title
JP7382801B2 (ja) 位相差層付偏光板および画像表示装置
JP5273775B2 (ja) 積層光学フィルム、積層光学フィルムを用いた液晶パネルおよび液晶表示装置
TWI871425B (zh) 附相位差層之偏光板及圖像顯示裝置
JP7684181B2 (ja) 位相差層付偏光板および画像表示装置
KR20230117518A (ko) 광학 적층체 및 화상 표시 장치
KR20230117517A (ko) 광학 적층체 및 화상 표시 장치
KR20230117519A (ko) 광학 적층체 및 화상 표시 장치
JP7684180B2 (ja) 位相差層付偏光板および画像表示装置
JP2025087266A (ja) 光学積層体及び画像表示装置
KR20230048608A (ko) 위상차층 부착 편광판 및 화상 표시 장치
KR20230048607A (ko) 위상차층 부착 편광판 및 화상 표시 장치
KR20230117516A (ko) 광학 적층체 및 화상 표시 장치
KR20230117515A (ko) 광학 적층체 및 화상 표시 장치
KR20240085198A (ko) 위상차층 부착 편광판 및 화상 표시 장치

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230410

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230410

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20230823

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230829

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231025

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20231114

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240208

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20240216

A912 Re-examination (zenchi) completed and case transferred to appeal board

Free format text: JAPANESE INTERMEDIATE CODE: A912

Effective date: 20240301