CN108603958B - 光学掩蔽滤光器 - Google Patents

光学掩蔽滤光器 Download PDF

Info

Publication number
CN108603958B
CN108603958B CN201680079756.7A CN201680079756A CN108603958B CN 108603958 B CN108603958 B CN 108603958B CN 201680079756 A CN201680079756 A CN 201680079756A CN 108603958 B CN108603958 B CN 108603958B
Authority
CN
China
Prior art keywords
wavelength selective
layer
optical filter
visible light
optical
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.)
Expired - Fee Related
Application number
CN201680079756.7A
Other languages
English (en)
Chinese (zh)
Other versions
CN108603958A (zh
Inventor
陈婧非
堵光磊
约翰·A·惠特利
吕奕航
安东尼·M·伦斯特伦
尼拉杰·夏尔马
徐富国
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=59361390&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CN108603958(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of CN108603958A publication Critical patent/CN108603958A/zh
Application granted granted Critical
Publication of CN108603958B publication Critical patent/CN108603958B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/204—Filters in which spectral selection is performed by means of a conductive grid or array, e.g. frequency selective surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/206—Filters comprising particles embedded in a solid matrix
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/223—Absorbing filters containing organic substances, e.g. dyes, inks or pigments
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/26—Reflecting filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters
    • G02B5/281—Interference filters designed for the infrared light
    • 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 
    • G02F1/21—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  by interference

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Nonlinear Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optical Filters (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Blocking Light For Cameras (AREA)
  • Led Device Packages (AREA)
  • Semiconductor Lasers (AREA)
  • Light Receiving Elements (AREA)
CN201680079756.7A 2016-01-21 2016-05-06 光学掩蔽滤光器 Expired - Fee Related CN108603958B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662281643P 2016-01-21 2016-01-21
US62/281,643 2016-01-21
PCT/CN2016/081271 WO2017124664A1 (en) 2016-01-21 2016-05-06 Optical camouflage filters

Publications (2)

Publication Number Publication Date
CN108603958A CN108603958A (zh) 2018-09-28
CN108603958B true CN108603958B (zh) 2022-03-04

Family

ID=59361390

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201680079756.7A Expired - Fee Related CN108603958B (zh) 2016-01-21 2016-05-06 光学掩蔽滤光器
CN201780007644.5A Pending CN108474882A (zh) 2016-01-21 2017-01-19 光学伪装滤光器

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201780007644.5A Pending CN108474882A (zh) 2016-01-21 2017-01-19 光学伪装滤光器

Country Status (7)

Country Link
US (5) US11269121B2 (https=)
EP (2) EP3405819A4 (https=)
JP (4) JP6895443B2 (https=)
KR (2) KR102626262B1 (https=)
CN (2) CN108603958B (https=)
TW (1) TW201738587A (https=)
WO (2) WO2017124664A1 (https=)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017124664A1 (en) 2016-01-21 2017-07-27 3M Innovative Properties Company Optical camouflage filters
TW201738588A (zh) 2016-01-21 2017-11-01 ３Ｍ新設資產公司 偽裝濾光片
US10466395B1 (en) * 2016-09-21 2019-11-05 Apple Inc. Systems with matte infrared-transparent layers
JP2020507129A (ja) * 2017-01-04 2020-03-05 スリーエム イノベイティブ プロパティズ カンパニー 色補償光学フィルター
JP7057487B2 (ja) * 2017-09-20 2022-04-20 Ａｇｃ株式会社 光学装置および光学部材
JP6812936B2 (ja) * 2017-09-22 2021-01-13 豊田合成株式会社 近赤外線センサ用カバー装置
US10739661B2 (en) * 2017-09-25 2020-08-11 Gentex Corporation IR transmitting coating for electro-optic element
US20200264354A1 (en) * 2017-11-07 2020-08-20 3M Innovative Properties Company Optical articles and systems including the same
CN111263903A (zh) * 2017-11-07 2020-06-09 3M创新有限公司 光学膜和包括该光学膜的系统
EP3732039A4 (en) * 2017-12-31 2021-09-22 3M Innovative Properties Company VISIBLY TRANSPARENT INFRARED REFLECTIVE ARTICLES
CN108509088B (zh) * 2018-03-09 2020-10-16 Oppo广东移动通信有限公司 电子装置及其制造方法
CN108490525A (zh) * 2018-03-14 2018-09-04 维沃移动通信有限公司 一种截止膜制造方法和截止膜
CN108663738B (zh) * 2018-05-23 2021-04-27 上海道助电子科技有限公司 运用于光通讯及生物辨识系统中通过高分子与氧化物光学结合显色的方法
KR102558858B1 (ko) * 2018-05-28 2023-07-21 코닝 인코포레이티드 유기발광장치의 광추출기판 및 그 제조방법
WO2020037683A1 (zh) * 2018-08-24 2020-02-27 深圳市汇顶科技股份有限公司 背光模组、屏下指纹识别方法、装置和电子设备
CN109128510B (zh) * 2018-09-10 2020-08-11 中国工程物理研究院激光聚变研究中心 光学元件制备方法和太赫兹波段光学元件
JP7423609B2 (ja) * 2018-09-14 2024-01-29 スリーエム イノベイティブ プロパティズ カンパニー 光学フィルム
US11892642B2 (en) 2018-10-05 2024-02-06 Htc Corporation Electronic apparatus
CN113302527B (zh) * 2019-02-02 2025-04-08 3M创新有限公司 具有高红外清晰度的光学漫射体
US11909224B2 (en) * 2019-03-20 2024-02-20 Wi-Charge Ltd. Photovoltaic cell for laser beam power detection
US20220199695A1 (en) * 2019-04-12 2022-06-23 Sony Group Corporation Display apparatus, light emitting device, and light emitting member
CN114041074B (zh) * 2019-07-02 2024-08-20 3M创新有限公司 包括具有降频转换器的波长选择性光学滤光器的光学装置
JP2021056346A (ja) * 2019-09-30 2021-04-08 豊田合成株式会社 赤外線透過製品
EP4042185A1 (en) * 2019-10-11 2022-08-17 AGC Glass Europe Lidar detection device provided with a laminated protective layer
US20230228919A1 (en) * 2020-05-08 2023-07-20 3M Innovative Properties Company Optical Films and Stacks Including Optically Diffusive Layer
US12104827B2 (en) 2020-05-15 2024-10-01 3M Innovative Properties Company Hybrid solar window and IR absorbing assemblies
CN121442912A (zh) * 2020-09-22 2026-01-30 Oti照明公司 电子器件和半导体器件
CN114690151A (zh) * 2020-12-31 2022-07-01 东丽先端材料研究开发（中国）有限公司 一种滤光器及传感器保护盖
WO2022216652A1 (en) * 2021-04-06 2022-10-13 President And Fellows Of Harvard College Structural colors with short-wavelength response for packaging applications
JP7735683B2 (ja) * 2021-04-30 2025-09-09 豊田合成株式会社 赤外線透過製品
WO2022269437A1 (en) * 2021-06-23 2022-12-29 3M Innovative Properties Company Optical film, backlight, and display
US12133371B2 (en) * 2021-10-15 2024-10-29 Switch Project Llc EMF shield
WO2023074626A1 (ja) * 2021-10-28 2023-05-04 日東電工株式会社 光学積層体、赤外線情報取得システム、および会議支援システム
US12196611B2 (en) * 2022-03-30 2025-01-14 Viavi Solutions Inc. Concealment component for an optical sensor device
JP2025058608A (ja) * 2023-09-28 2025-04-09 日東電工株式会社 光学フィルタ及び光学フィルタの製造方法、光学モジュール、並びに転写用光学フィルタ

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5183602A (en) * 1989-09-18 1993-02-02 Cornell Research Foundation, Inc. Infra red diamond composites
US5233436A (en) * 1991-06-03 1993-08-03 Oksman Henry C Optical filter software copy protection
JP2013065052A (ja) * 2008-08-20 2013-04-11 Tokai Kogaku Kk 赤外線通信用光学物品及び赤外線通信用受光部
CN103261927A (zh) * 2011-01-31 2013-08-21 株式会社大真空 光学滤波器模块及光学滤波器系统
JP2015110691A (ja) * 2013-12-06 2015-06-18 大日精化工業株式会社 近赤外線透過性黒色アゾ顔料、近赤外線透過性黒色アゾ顔料の製造方法、これらの黒色アゾ顔料を用いた着色組成物、物品の着色方法および着色物品

Family Cites Families (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0443303A (ja) 1990-06-11 1992-02-13 Matsushita Electric Ind Co Ltd 赤外線光学部品
CN1076125C (zh) 1993-11-05 2001-12-12 时至准钟表股份有限公司 太阳电池装置及其制造方法
US5825543A (en) * 1996-02-29 1998-10-20 Minnesota Mining And Manufacturing Company Diffusely reflecting polarizing element including a first birefringent phase and a second phase
US5956122A (en) 1998-06-26 1999-09-21 Litton Systems, Inc Iris recognition apparatus and method
JP2000067657A (ja) * 1998-08-26 2000-03-03 Internatl Business Mach Corp <Ibm> 赤外線透過に優れた透明導電膜及びその製造方法
US6208466B1 (en) * 1998-11-25 2001-03-27 3M Innovative Properties Company Multilayer reflector with selective transmission
IL129551A (en) * 1999-04-22 2002-09-12 Visonic Ltd Optical filter and passive infrared detector system
JP3612702B2 (ja) 2000-10-05 2005-01-19 日産自動車株式会社 赤外線透過膜及びこれを用いた赤外線センサーカバー
JP4180253B2 (ja) 2001-06-29 2008-11-12 大日本塗料株式会社 赤外線受光素子用封止剤
JP4053310B2 (ja) * 2002-02-20 2008-02-27 日立化成工業株式会社 電磁波シールド性接着フィルムの製造法
US7095009B2 (en) 2002-05-21 2006-08-22 3M Innovative Properties Company Photopic detector system and filter therefor
JP4300567B2 (ja) * 2002-09-30 2009-07-22 Ｔｏｔｏ株式会社 製膜体
JP2004198617A (ja) 2002-12-17 2004-07-15 Nissan Motor Co Ltd 赤外線透過膜及びこれを用いた赤外線センサカバー並びに赤外線センサユニット
JP3736567B2 (ja) 2003-08-11 2006-01-18 東洋紡績株式会社 波長選択吸収フィルム
JP2005288876A (ja) 2004-03-31 2005-10-20 Three M Innovative Properties Co レセプターフィルム及びマーキングフィルム
US20060003239A1 (en) * 2004-06-30 2006-01-05 Cooper Terence A Multilayer optical display device
JP4122010B2 (ja) 2004-11-12 2008-07-23 東海光学株式会社 赤外線受発光部
US7525604B2 (en) 2005-03-15 2009-04-28 Naxellent, Llc Windows with electrically controllable transmission and reflection
US7903194B2 (en) * 2005-06-24 2011-03-08 3M Innovative Properties Company Optical element for lateral light spreading in back-lit displays and system using same
JP2008083647A (ja) 2006-09-29 2008-04-10 Fujimori Kogyo Co Ltd ディスプレイ用光学フィルター
US11607152B2 (en) 2007-06-12 2023-03-21 Sotera Wireless, Inc. Optical sensors for use in vital sign monitoring
JP5178085B2 (ja) * 2007-08-07 2013-04-10 株式会社村上開明堂 撮像装置付きバックミラー
US7874495B2 (en) 2008-02-13 2011-01-25 Microsoft Corporation Reducing a visible presence of an optically readable tag
JP4513921B2 (ja) * 2008-12-09 2010-07-28 ソニー株式会社 光学体およびその製造方法、窓材、ブラインド、ロールカーテン、ならびに障子
US20110249325A1 (en) 2008-12-30 2011-10-13 Zehentmaier Sebastian F Fluoropolymeric multilayer optical film and methods of making and using the same
JP2010243436A (ja) 2009-04-09 2010-10-28 Mitsubishi Electric Corp 赤外線センサ機器
WO2010120864A1 (en) 2009-04-15 2010-10-21 3M Innovative Properties Company Optical film
KR101729805B1 (ko) 2009-10-24 2017-04-24 쓰리엠 이노베이티브 프로퍼티즈 컴파니 구배 저굴절률 물품 및 방법
JP2012089593A (ja) 2010-10-18 2012-05-10 Tokai Kogaku Kk 赤外線通信用光学物品及び赤外線通信用受光部
US8787006B2 (en) 2011-01-31 2014-07-22 Apple Inc. Wrist-worn electronic device and methods therefor
US8779349B2 (en) 2011-03-08 2014-07-15 Fluke Corporation Minimizing ambient light in a feedback circuit in pulse oximeter test instruments
CN103718068B (zh) 2011-07-01 2017-02-22 特罗皮格拉斯科技有限公司 光谱选择面板
JP5884372B2 (ja) 2011-09-29 2016-03-15 セイコーエプソン株式会社 カートリッジ、印刷装置
KR101969612B1 (ko) 2011-10-14 2019-04-16 제이에스알 가부시끼가이샤 광학 필터 및 이 광학 필터를 이용한 고체 촬상 장치 및 카메라 모듈
US8895148B2 (en) 2011-11-09 2014-11-25 Cytec Technology Corp. Structural adhesive and bonding application thereof
EP2602654B1 (en) 2011-12-08 2023-04-19 Essilor International Ophthalmic filter
US10219709B2 (en) 2012-03-28 2019-03-05 Wayne State University Sensor and method for continuous health monitoring
CN104220906B (zh) 2012-03-28 2017-09-29 凸版印刷株式会社 滤色器的制造方法及彩色反射型显示器
WO2013161492A1 (ja) 2012-04-25 2013-10-31 株式会社Adeka 波長カットフィルタ
JP6003329B2 (ja) 2012-07-23 2016-10-05 大日本印刷株式会社 カラーフィルタ形成基板および有機ｅｌ表示装置
DE102013214615A1 (de) 2012-07-30 2014-01-30 Schott Ag Optische Filter, deren Herstellung und Verwendung
JP2014071295A (ja) * 2012-09-28 2014-04-21 Tokai Kogaku Kk 赤外線受発光用光学物品及び赤外線受発光部
WO2014110101A1 (en) 2013-01-14 2014-07-17 3M Innovative Properties Company Filters to enhance color discrimination for color vision deficient individuals
US9717423B2 (en) 2013-01-28 2017-08-01 Texas Instruments Incorporated Low-complexity sensor displacement tolerant pulse oximetry based heart rate measurement
CN203733133U (zh) 2013-02-06 2014-07-23 北京中科虹霸科技有限公司 一种具有人机交互机制的移动终端虹膜识别装置
CN105122453B (zh) 2013-04-01 2018-08-10 豪雅冠得股份有限公司 近红外线吸收玻璃及其制造方法
EP2793271A1 (en) 2013-04-16 2014-10-22 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Solar photovoltaic module
JP6428608B2 (ja) 2013-05-02 2018-11-28 コニカミノルタ株式会社 赤外線遮蔽フィルム、赤外線遮蔽フィルムの設置方法及び赤外線遮蔽フィルムの虹彩防止方法
US10348239B2 (en) 2013-05-02 2019-07-09 3M Innovative Properties Company Multi-layered solar cell device
JP2015025770A (ja) * 2013-07-29 2015-02-05 株式会社リコー 検知装置、車両
US20150146316A1 (en) 2013-11-22 2015-05-28 U.S. Army Research Laboratory Attn: Rdrl-Loc-I Optical filter and method for making the same
US20150148632A1 (en) 2013-11-26 2015-05-28 David Alan Benaron Calorie Monitoring Sensor And Method For Cell Phones, Smart Watches, Occupancy Sensors, And Wearables
ES2703207T3 (es) 2014-04-10 2019-03-07 Csem Centre Suisse Delectronique Et De Microtechnique Sa Cubiertas de transmisión de infrarrojos
CN105093492B (zh) 2014-05-22 2018-06-26 宁波舜宇光电信息有限公司 一种摄像光学镜组及虹膜摄像模组
KR102237479B1 (ko) 2014-06-03 2021-04-07 (주)아이리스아이디 홍채 인식 단말기 및 방법
WO2015194485A1 (ja) 2014-06-20 2015-12-23 旭硝子株式会社 積層体
CN204442500U (zh) 2014-12-23 2015-07-01 南昌欧菲光电技术有限公司 成像装置及移动终端
US10067936B2 (en) 2014-12-30 2018-09-04 Facebook, Inc. Machine translation output reranking
CN104573667B (zh) 2015-01-23 2018-01-30 北京中科虹霸科技有限公司 一种提高移动终端的虹膜图像质量的虹膜识别装置
DE102016009884A1 (de) 2015-12-14 2017-06-14 Gentherm Gmbh Nackengebläse für einen Fahrzeugsitz und Regel-Verfahren dafür
TW201738588A (zh) * 2016-01-21 2017-11-01 ３Ｍ新設資產公司 偽裝濾光片
WO2017124664A1 (en) * 2016-01-21 2017-07-27 3M Innovative Properties Company Optical camouflage filters
JP2020507129A (ja) * 2017-01-04 2020-03-05 スリーエム イノベイティブ プロパティズ カンパニー 色補償光学フィルター
TW201918733A (zh) * 2017-07-26 2019-05-16 美商3M新設資產公司 偽裝濾光片

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5183602A (en) * 1989-09-18 1993-02-02 Cornell Research Foundation, Inc. Infra red diamond composites
US5233436A (en) * 1991-06-03 1993-08-03 Oksman Henry C Optical filter software copy protection
JP2013065052A (ja) * 2008-08-20 2013-04-11 Tokai Kogaku Kk 赤外線通信用光学物品及び赤外線通信用受光部
CN103261927A (zh) * 2011-01-31 2013-08-21 株式会社大真空 光学滤波器模块及光学滤波器系统
JP2015110691A (ja) * 2013-12-06 2015-06-18 大日精化工業株式会社 近赤外線透過性黒色アゾ顔料、近赤外線透過性黒色アゾ顔料の製造方法、これらの黒色アゾ顔料を用いた着色組成物、物品の着色方法および着色物品

Also Published As

Publication number Publication date
WO2017124664A1 (en) 2017-07-27
EP3405819A4 (en) 2020-01-22
WO2017127483A1 (en) 2017-07-27
JP6920507B2 (ja) 2021-08-18
EP3405817A1 (en) 2018-11-28
US11204456B2 (en) 2021-12-21
JP6895443B2 (ja) 2021-06-30
US20220075107A1 (en) 2022-03-10
TW201738587A (zh) 2017-11-01
JP2022119874A (ja) 2022-08-17
US20220146725A1 (en) 2022-05-12
KR102713960B1 (ko) 2024-10-04
JP2019509510A (ja) 2019-04-04
US12352991B2 (en) 2025-07-08
KR20180104037A (ko) 2018-09-19
JP7438267B2 (ja) 2024-02-26
EP3405819A1 (en) 2018-11-28
KR102626262B1 (ko) 2024-01-16
US11269121B2 (en) 2022-03-08
EP3405817A4 (en) 2019-09-04
KR20180097757A (ko) 2018-08-31
US12474514B2 (en) 2025-11-18
EP3405817B1 (en) 2024-04-03
US20240288614A1 (en) 2024-08-29
CN108474882A (zh) 2018-08-31
US11953709B2 (en) 2024-04-09
JP2020126266A (ja) 2020-08-20
US20190025481A1 (en) 2019-01-24
CN108603958A (zh) 2018-09-28
JP2019508733A (ja) 2019-03-28
US20190033502A1 (en) 2019-01-31

Similar Documents

Publication Publication Date Title
CN108603958B (zh) 光学掩蔽滤光器
JP7738522B2 (ja) 光学カモフラージュフィルター
US11448808B2 (en) Color compensating optical filters having low refractive index layer

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220304

CF01 Termination of patent right due to non-payment of annual fee