JP7462638B2 - 前面側光制御フィルムを有する液晶ディスプレイ - Google Patents

前面側光制御フィルムを有する液晶ディスプレイ Download PDF

Info

Publication number
JP7462638B2
JP7462638B2 JP2021533427A JP2021533427A JP7462638B2 JP 7462638 B2 JP7462638 B2 JP 7462638B2 JP 2021533427 A JP2021533427 A JP 2021533427A JP 2021533427 A JP2021533427 A JP 2021533427A JP 7462638 B2 JP7462638 B2 JP 7462638B2
Authority
JP
Japan
Prior art keywords
light
liquid crystal
crystal display
control film
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.)
Active
Application number
JP2021533427A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022511967A5 (enExample
JP2022511967A (ja
Inventor
エー． ジョンソン，ニコラス
ハオ，エンカイ
エム． フィリッピィ，マシュー
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.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of JP2022511967A publication Critical patent/JP2022511967A/ja
Publication of JP2022511967A5 publication Critical patent/JP2022511967A5/ja
Application granted granted Critical
Publication of JP7462638B2 publication Critical patent/JP7462638B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
    • 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
    • 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
    • G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
    • 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
    • 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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133605—Direct backlight including specially adapted reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
JP2021533427A 2018-12-14 2019-12-10 前面側光制御フィルムを有する液晶ディスプレイ Active JP7462638B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862779725P 2018-12-14 2018-12-14
US62/779,725 2018-12-14
PCT/IB2019/060616 WO2020121193A2 (en) 2018-12-14 2019-12-10 Liquid crystal display having a frontside light control film

Publications (3)

Publication Number Publication Date
JP2022511967A JP2022511967A (ja) 2022-02-01
JP2022511967A5 JP2022511967A5 (enExample) 2022-12-19
JP7462638B2 true JP7462638B2 (ja) 2024-04-05

Family

ID=71076336

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021533427A Active JP7462638B2 (ja) 2018-12-14 2019-12-10 前面側光制御フィルムを有する液晶ディスプレイ

Country Status (5)

Country Link
US (2) US11668977B2 (enExample)
EP (2) EP4471498B1 (enExample)
JP (1) JP7462638B2 (enExample)
CN (1) CN113196115A (enExample)
WO (1) WO2020121193A2 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4471498B1 (en) * 2018-12-14 2026-01-28 3M Innovative Properties Company Liquid crystal display having a frontside light control film
CN110264967B (zh) * 2019-05-09 2023-06-20 京东方科技集团股份有限公司 显示装置及其控制方法
KR102941406B1 (ko) * 2020-12-29 2026-03-18 엘지디스플레이 주식회사 시야각 제어 필름을 갖는 디스플레이 장치
CN117015727A (zh) * 2021-02-22 2023-11-07 微影股份有限公司 角度和光谱选择性遮光片材
JP2023148723A (ja) * 2022-03-30 2023-10-13 リンテック株式会社 視野角制御フィルム
US20230395015A1 (en) * 2022-06-07 2023-12-07 Apple Inc. Systems With External Displays
CN117908268A (zh) * 2022-10-10 2024-04-19 群创光电股份有限公司 电子装置
KR20240122208A (ko) * 2023-02-03 2024-08-12 주식회사 엘엠에스 광 제어 필름
WO2025177166A1 (en) * 2024-02-23 2025-08-28 3M Innovative Properties Company Substrateless structured optical film, and optical stack and display including same
WO2025186662A1 (en) * 2024-03-08 2025-09-12 3M Innovative Properties Company Substrateless structured optical film and optical stack and display including same
WO2026030968A1 (en) * 2024-08-07 2026-02-12 3M Innovative Properties Company Optical system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009025621A (ja) 2007-07-20 2009-02-05 Shin Etsu Polymer Co Ltd ディスプレイ表面シートおよびその製造方法
JP2018045052A (ja) 2016-09-13 2018-03-22 大日本印刷株式会社 ルーバーフィルム、表示装置、液晶表示装置、有機ｅｌ表示装置、ルーバーフィルムの製造方法、液晶表示装置の製造方法、および有機ｅｌ表示装置の製造方法
JP2018054730A (ja) 2016-09-27 2018-04-05 日東電工株式会社 光学積層体および該光学積層体を用いた液晶表示装置

Family Cites Families (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3524789A (en) 1967-08-15 1970-08-18 Minnesota Mining & Mfg Louvered transparent sheeting made by skiving
US6398370B1 (en) 2000-11-15 2002-06-04 3M Innovative Properties Company Light control device
JP3865593B2 (ja) 2001-02-27 2007-01-10 シャープ株式会社 透過型表示装置
US7515336B2 (en) * 2001-12-21 2009-04-07 Bose Corporation Selective reflecting
US6905219B2 (en) 2002-05-09 2005-06-14 3M Innovative Properties Company Display device
US8867134B2 (en) 2003-11-21 2014-10-21 Visual Physics, Llc Optical system demonstrating improved resistance to optically degrading external effects
CN100583193C (zh) 2003-11-28 2010-01-20 株式会社半导体能源研究所 制造显示设备的方法
US20050276073A1 (en) * 2004-05-28 2005-12-15 Eastman Kodak Company Diffusive reflector films for enhanced liquid crystal display efficiency
US7278775B2 (en) * 2004-09-09 2007-10-09 Fusion Optix Inc. Enhanced LCD backlight
JP4714740B2 (ja) * 2005-04-26 2011-06-29 帝人株式会社 偏光板
EP1893074B2 (en) 2005-05-18 2017-06-14 Visual Physics, LLC Image presentation and micro-optic security system
JP2007041261A (ja) * 2005-08-03 2007-02-15 Nec Corp 光学素子、光学装置、携帯情報端末及び製造方法
US7467873B2 (en) 2005-10-14 2008-12-23 3M Innovative Properties Company Privacy film
DE112007000148T5 (de) 2006-01-12 2008-11-20 3M Innovative Properties Co., St. Paul Licht kollimierender Film
KR20070090654A (ko) * 2006-03-03 2007-09-06 쓰리엠 이노베이티브 프로퍼티즈 컴파니 광 제어 필름을 포함하는 ｌｃｄ 장치에서의 모아레 현상의감소
JP4382791B2 (ja) * 2006-05-16 2009-12-16 Ｎｅｃ液晶テクノロジー株式会社 光線方向制御素子の製造方法
US7736936B2 (en) 2006-08-29 2010-06-15 Semiconductor Energy Laboratory Co., Ltd. Method of forming display device that includes removing mask to form opening in insulating film
KR20090068236A (ko) 2006-09-08 2009-06-25 메사추세츠 인스티튜트 오브 테크놀로지 자동화된 층상 분무 기법
CN101657522B (zh) 2007-04-13 2014-05-07 3M创新有限公司 防静电光学透明的压敏粘合剂
US20090087629A1 (en) 2007-09-28 2009-04-02 Everaerts Albert I Indium-tin-oxide compatible optically clear adhesive
US8209209B2 (en) 2007-10-02 2012-06-26 Incontact, Inc. Providing work, training, and incentives to company representatives in contact handling systems
EP2208096B1 (en) 2007-10-16 2019-11-27 3M Innovative Properties Company Higher transmission light control film
US20090115943A1 (en) * 2007-11-07 2009-05-07 3M Innovative Properties Company Low birefringence light control film and methods of making
US8213082B2 (en) 2007-12-21 2012-07-03 3M Innovative Properties Company Light control film
KR101579332B1 (ko) * 2008-02-15 2015-12-21 쓰리엠 이노베이티브 프로퍼티즈 컴파니 디스플레이의 개선된 조명 균일도를 위한 휘도 향상 필름 및 필름 기반 확산기
US8673419B2 (en) 2008-03-14 2014-03-18 3M Innovative Properties Company Stretch releasable adhesive tape
US20100028564A1 (en) 2008-07-29 2010-02-04 Ming Cheng Antistatic optical constructions having optically-transmissive adhesives
EP2315663B1 (en) 2008-08-12 2020-09-23 3M Innovative Properties Company Adhesives compatible with corrosion sensitive layers
WO2010022353A1 (en) 2008-08-21 2010-02-25 Innova Meterials, Llc Enhanced surfaces, coatings, and related methods
EP2379442A4 (en) 2008-12-30 2014-02-26 3M Innovative Properties Co METHOD FOR PRODUCING NANOSTRUCTURED SURFACES
EP2379660A1 (en) 2008-12-31 2011-10-26 3M Innovative Properties Company Stretch releasable adhesive tape
KR101728177B1 (ko) 2009-02-06 2017-04-18 쓰리엠 이노베이티브 프로퍼티즈 컴파니 광 제어 필름 및 다층 광학 필름 적층물
JP5823958B2 (ja) 2009-06-02 2015-11-25 スリーエム イノベイティブ プロパティズ カンパニー 光再偏向フィルム及び該フィルムを使用したディスプレイ
WO2010148082A2 (en) 2009-06-18 2010-12-23 3M Innovative Properties Company Light control film
KR20120061911A (ko) 2009-08-25 2012-06-13 쓰리엠 이노베이티브 프로퍼티즈 컴파니 광 방향 전환 필름 및 이를 포함하는 디스플레이 시스템
WO2011097252A2 (en) 2010-02-02 2011-08-11 Pixtronix, Inc. Methods for manufacturing cold seal fluid-filled display apparatus
KR20140085465A (ko) * 2011-09-30 2014-07-07 쓰리엠 이노베이티브 프로퍼티즈 컴파니 전기적으로 전환 가능한 프라이버시 필름 및 그것을 갖는 표시 장치
KR101989207B1 (ko) 2011-11-23 2019-06-13 쓰리엠 이노베이티브 프로퍼티즈 컴파니 비대칭적 확산기를 갖는 광학 스택
WO2013096324A1 (en) 2011-12-21 2013-06-27 3M Innovative Properties Company Optical film stack
US9350980B2 (en) 2012-05-18 2016-05-24 Reald Inc. Crosstalk suppression in a directional backlight
WO2014081693A1 (en) 2012-11-21 2014-05-30 3M Innovative Properties Company Optical diffusing films and methods of making same
KR20150094713A (ko) 2012-12-14 2015-08-19 쓰리엠 이노베이티브 프로퍼티즈 컴파니 매립된 확산기를 갖는 휘도 향상 필름
WO2014193803A1 (en) 2013-05-31 2014-12-04 3M Innovative Properties Company Reflective tray for a backlight, comprising a polymeric dielectric multilayer reflector
JP6294011B2 (ja) 2013-06-05 2018-03-14 日東電工株式会社 液晶表示装置
CN105612438B (zh) 2013-10-02 2018-12-14 3M创新有限公司 包括第一微结构化层和涂层的微结构化漫射体、光学叠堆以及方法
US20150109674A1 (en) * 2013-10-23 2015-04-23 Ronald Steven Cok Imprinted micro-louver structure
WO2016057588A2 (en) 2014-10-07 2016-04-14 Corning Incorporated Direct view display device and light unit for direct view display device
WO2016077309A2 (en) 2014-11-12 2016-05-19 Corning Incorporated Contrast enhancement sheet and display device comprising the same
WO2016129073A1 (ja) 2015-02-12 2016-08-18 株式会社日立製作所 ルール管理支援装置、およびルール管理支援方法
US10761320B2 (en) 2015-12-09 2020-09-01 3M Innovative Properties Company Optical stack including a grating
US10809445B2 (en) * 2017-01-04 2020-10-20 3M Innovative Properties Company Light control film for display assemblies
CN118011539A (zh) 2017-01-16 2024-05-10 3M创新有限公司 带小面的微结构化表面、光学膜和方法
US9960389B1 (en) 2017-05-05 2018-05-01 3M Innovative Properties Company Polymeric films and display devices containing such films
JP7308832B2 (ja) 2017-12-13 2023-07-14 スリーエム イノベイティブ プロパティズ カンパニー 高透過率の光制御フィルム
JP7541973B2 (ja) * 2018-08-01 2024-08-29 スリーエム イノベイティブ プロパティズ カンパニー 高透過率の光制御フィルム
EP4471498B1 (en) * 2018-12-14 2026-01-28 3M Innovative Properties Company Liquid crystal display having a frontside light control film

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009025621A (ja) 2007-07-20 2009-02-05 Shin Etsu Polymer Co Ltd ディスプレイ表面シートおよびその製造方法
JP2018045052A (ja) 2016-09-13 2018-03-22 大日本印刷株式会社 ルーバーフィルム、表示装置、液晶表示装置、有機ｅｌ表示装置、ルーバーフィルムの製造方法、液晶表示装置の製造方法、および有機ｅｌ表示装置の製造方法
JP2018054730A (ja) 2016-09-27 2018-04-05 日東電工株式会社 光学積層体および該光学積層体を用いた液晶表示装置

Also Published As

Publication number Publication date
US20230266622A1 (en) 2023-08-24
WO2020121193A2 (en) 2020-06-18
US12353093B2 (en) 2025-07-08
CN113196115A (zh) 2021-07-30
JP2022511967A (ja) 2022-02-01
EP3894915A2 (en) 2021-10-20
EP4471498A2 (en) 2024-12-04
EP4471498A3 (en) 2024-12-18
US11668977B2 (en) 2023-06-06
WO2020121193A3 (en) 2020-07-23
EP3894915A4 (en) 2022-08-17
EP4471498B1 (en) 2026-01-28
EP3894915B1 (en) 2025-05-14
US20220043309A1 (en) 2022-02-10

Similar Documents

Publication Publication Date Title
JP7462638B2 (ja) 前面側光制御フィルムを有する液晶ディスプレイ
CN103109212B (zh) 光扩散元件、带光扩散元件的偏振板、及使用其的液晶显示装置
JP6208913B1 (ja) 光ガイド及び低屈折率フィルムを組み込んだ光学構造体
JP4408166B2 (ja) 指向性拡散フィルム及びその製造方法、面光源装置及び液晶表示装置
CN102576119B (zh) 光源和采用所述光源的显示系统
CN1135409C (zh) 增强接收角和选择性透射的多层反射体
JP2013508780A (ja) 空隙を有するディフューザー
CN102460239A (zh) 光控膜
KR20090088438A (ko) 렌즈 시트, 면 광원 장치 및 액정 표시 장치
JPWO2008072581A1 (ja) 防眩性フィルム及びそれを用いた表示装置、並びに光拡散フィルム及びそれを用いた面光源システム
CN101414014A (zh) 包含氮化硼粒子的光学基底
CN103109211B (zh) 光扩散元件及带光扩散元件的偏振板的制造方法、及由这些方法所得的光扩散元件及带光扩散元件的偏振板
TWI444389B (zh) Light diffusion element
JP2001021706A (ja) 光拡散フィルム、面光源装置、及び表示装置
JP4363097B2 (ja) 光学機能性シートおよび直下型バックライトの製造方法
CN105164557A (zh) 光扩散元件及光扩散元件的制造方法
JP6014979B2 (ja) 光拡散膜形成用樹脂組成物とその製造方法、光拡散膜、光拡散反射部材、光拡散透過部材、光学素子
JP3953801B2 (ja) 拡散フィルム及びその製造方法、面光源装置及び液晶表示装置
US20250231327A1 (en) Polarizer, Method of Preparing Polarizer, and Display Panel
WO2024203644A1 (ja) 拡散フィルム、光拡散装置、液晶表示装置、および拡散フィルムの製造方法
TW202443070A (zh) 光擴散裝置、背光裝置及圖像顯示裝置
CN1949049A (zh) 聚光片
TWM293442U (en) Brightness enhancement film

Legal Events

Date Code Title Description
RD03 Notification of appointment of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7423

Effective date: 20220915

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20221209

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20221209

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230926

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231221

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20240227

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240326

R150 Certificate of patent or registration of utility model

Ref document number: 7462638

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150