CN107451572B - 超声波指纹识别模组及电子设备 - Google Patents
超声波指纹识别模组及电子设备 Download PDFInfo
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- CN107451572B CN107451572B CN201710665982.XA CN201710665982A CN107451572B CN 107451572 B CN107451572 B CN 107451572B CN 201710665982 A CN201710665982 A CN 201710665982A CN 107451572 B CN107451572 B CN 107451572B
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- ultrasonic
- piezoelectric film
- fingerprint identification
- identification module
- piezoelectric
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- 229920000131 polyvinylidene Polymers 0.000 description 1
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Images
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
- H10N30/302—Sensors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
- H10N30/308—Membrane type
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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- Theoretical Computer Science (AREA)
- Transducers For Ultrasonic Waves (AREA)
Abstract
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CN201710665982.XA CN107451572B (zh) | 2017-08-07 | 2017-08-07 | 超声波指纹识别模组及电子设备 |
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CN201710665982.XA CN107451572B (zh) | 2017-08-07 | 2017-08-07 | 超声波指纹识别模组及电子设备 |
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CN107451572A CN107451572A (zh) | 2017-12-08 |
CN107451572B true CN107451572B (zh) | 2020-07-03 |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108389958B (zh) * | 2018-01-24 | 2021-12-03 | 业成科技(成都)有限公司 | 超声波振动元件和超声波传感器 |
CN108073919B (zh) * | 2018-02-28 | 2020-09-22 | 惠州Tcl移动通信有限公司 | 超声波指纹采集精度控制处理方法、存储介质及移动终端 |
CN108647673A (zh) * | 2018-07-10 | 2018-10-12 | 深圳市本地传感科技有限公司 | 一种触控、指纹及压力三合一识别***及电子设备 |
CN110134188B (zh) * | 2019-04-26 | 2021-02-23 | 武汉华星光电技术有限公司 | 自发声显示装置 |
CN110399852B (zh) * | 2019-07-30 | 2021-07-20 | Oppo广东移动通信有限公司 | 超声波模组的控制方法及相关产品 |
CN112507761B (zh) * | 2019-09-16 | 2024-07-16 | 京东方科技集团股份有限公司 | 一种指纹识别模组及其驱动方法、显示装置 |
CN113343800B (zh) * | 2021-05-25 | 2023-04-07 | 电子科技大学 | 指纹触控识别模组及指纹触控识别方法、电子设备 |
Citations (10)
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CN1105678A (zh) * | 1994-01-21 | 1995-07-26 | 中国科学院化学研究所 | 显示非线性光学效应和液晶性的梯形聚硅氧烷及功能膜 |
CN1187045A (zh) * | 1996-12-31 | 1998-07-08 | 中国科学院长春应用化学研究所 | 聚偏氟乙烯压电薄膜的制备方法 |
CN1829082A (zh) * | 2005-03-04 | 2006-09-06 | 鸿富锦精密工业(深圳)有限公司 | 声表面波器件及多频移动电话 |
CN101936770A (zh) * | 2010-08-27 | 2011-01-05 | 上海交通大学 | 高强度聚焦超声声场测量*** |
CN102252967A (zh) * | 2011-04-06 | 2011-11-23 | 天津大学 | 基于pvdf压电薄膜lsaw定位的压电探测装置 |
CN102420582A (zh) * | 2011-11-29 | 2012-04-18 | 浙江大学 | 基于柔性衬底的声表面波器件的结构及其制造方法 |
JP5647943B2 (ja) * | 2011-05-02 | 2015-01-07 | 帝人株式会社 | 積層フィルム |
CN104677399A (zh) * | 2014-11-24 | 2015-06-03 | 麦克思智慧资本股份有限公司 | 超声波传感器 |
CN105032749A (zh) * | 2015-07-09 | 2015-11-11 | 深圳市理邦精密仪器股份有限公司 | 多层叠片超声换能器及其制造方法 |
CN106848053A (zh) * | 2016-04-20 | 2017-06-13 | 王开安 | 高分子薄膜极化装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9437802B2 (en) * | 2013-08-21 | 2016-09-06 | Fujifilm Dimatix, Inc. | Multi-layered thin film piezoelectric devices and methods of making the same |
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- 2017-08-07 CN CN201710665982.XA patent/CN107451572B/zh active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1105678A (zh) * | 1994-01-21 | 1995-07-26 | 中国科学院化学研究所 | 显示非线性光学效应和液晶性的梯形聚硅氧烷及功能膜 |
CN1187045A (zh) * | 1996-12-31 | 1998-07-08 | 中国科学院长春应用化学研究所 | 聚偏氟乙烯压电薄膜的制备方法 |
CN1829082A (zh) * | 2005-03-04 | 2006-09-06 | 鸿富锦精密工业(深圳)有限公司 | 声表面波器件及多频移动电话 |
CN101936770A (zh) * | 2010-08-27 | 2011-01-05 | 上海交通大学 | 高强度聚焦超声声场测量*** |
CN102252967A (zh) * | 2011-04-06 | 2011-11-23 | 天津大学 | 基于pvdf压电薄膜lsaw定位的压电探测装置 |
JP5647943B2 (ja) * | 2011-05-02 | 2015-01-07 | 帝人株式会社 | 積層フィルム |
CN102420582A (zh) * | 2011-11-29 | 2012-04-18 | 浙江大学 | 基于柔性衬底的声表面波器件的结构及其制造方法 |
CN104677399A (zh) * | 2014-11-24 | 2015-06-03 | 麦克思智慧资本股份有限公司 | 超声波传感器 |
CN105032749A (zh) * | 2015-07-09 | 2015-11-11 | 深圳市理邦精密仪器股份有限公司 | 多层叠片超声换能器及其制造方法 |
CN106848053A (zh) * | 2016-04-20 | 2017-06-13 | 王开安 | 高分子薄膜极化装置 |
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Effective date of registration: 20200623 Address after: No.88, Yingbin Avenue, Shouan Town, Pujiang County, Chengdu City, Sichuan Province Applicant after: Chengdu Dachao Technology Co.,Ltd. Address before: 610000 Sichuan city of Chengdu province Tianfu Zheng Xing Shun Shing Street No. 172 Applicant before: CHENGDU YIDAO TECHNOLOGY PARTNERSHIP (LIMITED PARTNERSHIP) |