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公开(公告)号：US20230154228A1
公开(公告)日：2023-05-18
申请号：US17050193
申请日：2019-11-21
发明人： Yuzhen GUO , Yingming LIU , Haisheng WANG , Xiufeng LI , Peixiao LI , Yanling HAN , Chenyang ZHANG , Lijun ZHAO , Yaqian JI , Xue DONG , Xiaochuan CHEN
CPC分类号： G06V40/1306 , G10K11/30 , G06F21/32
摘要： The present disclosure provides a fingerprint identification structure and a display device. The fingerprint identification structure includes an acoustic wave emitter, a focus acoustic lens, and a sound wave receiver. The acoustic lens are between the acoustic wave emitter and the sound wave receiver, the acoustic wave emitter is at a focal position of the acoustic lens and configured to emit acoustic wave toward the acoustic lens, the acoustic wave receiver is configured to detect the intensity distribution of the acoustic wave emitted by the acoustic wave emitter after the acoustic wave sequentially passes through the acoustic lens and the acoustic wave receiver, reaches the surface of the finger and is reflected back by the surface of the finger. The fingerprint recognition structure improves design flexibility.
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公开(公告)号：US20230122511A1
公开(公告)日：2023-04-20
申请号：US17040926
申请日：2020-04-26
发明人： Yingming LIU , Xue DONG , Haisheng WANG , Xiaoliang DING , Lei WANG , Pengpeng WANG , Changfeng LI , Peixiao LI , Chenyang ZHANG
摘要： The present disclosure provides an ultrasonic sensor, a display panel and a display apparatus. The ultrasonic sensor includes: a bearing substrate; an ultrasonic emission structure on the bearing substrate, wherein the ultrasonic emission structure includes a first piezoelectric film layer; and an ultrasonic receiving structure on the bearing substrate, wherein the ultrasonic receiving structure includes a second piezoelectric film layer. The piezoelectric constant of the first piezoelectric film layer is greater than the piezoelectric constant of the second piezoelectric film layer.
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公开(公告)号：US20220406086A1
公开(公告)日：2022-12-22
申请号：US17776638
申请日：2021-05-31
发明人： Yue GOU , Yingming LIU , Liang CUI , Xiufeng LI , Yanling HAN , Yaqian JI , Chenyang ZHANG , Peixiao LI , Yuzhen GUO , Yingzi WANG
IPC分类号： G06V40/13 , H01L41/113 , H01L27/20
摘要： An ultrasonic sensor, a preparation method of the ultrasonic sensor, and a display apparatus are provided. The ultrasonic sensor includes a texture recognition region and a contrast region. The contrast region is located on at least one side of the texture recognition region. The texture recognition region includes at least one recognizing unit, and the contrast region includes at least one contrast unit. The at least one recognizing unit includes a first dielectric material layer, and the at least one contrast unit includes a second dielectric material layer. The first dielectric material layer and the second dielectric material layer are made of a same material. The first dielectric material layer exhibits piezoelectric properties. A piezoelectric strain constant of the first dielectric material layer is greater than a piezoelectric strain constant of the second dielectric material layer.
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公开(公告)号：US20230092950A1
公开(公告)日：2023-03-23
申请号：US17439673
申请日：2021-01-05
发明人： Yaqian JI , Jing YU , Xiufeng LI , Yue GOU , Yanling HAN , Peixiao LI , Lei WANG
摘要： A display device, including a display panel, a box, a connection frame and a vibration actuator provided on the display panel. The connection frame includes: a frame-shaped member including a first end face and a second end face arranged opposite to each other, the first end face being attached to a top face of the box, a plurality of protrusions being provided on the second end face, a surface of each protrusion away from the first end face forming a support face, and the display panel being fixed on the support face; and a connection member fixedly coupled to the frame-shaped member, and detachably coupled to the box via a fastener.
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5.发明申请公开(公告)号：US20220326793A1
公开(公告)日：2022-10-13
申请号：US17764848
申请日：2021-04-14
发明人： Yaqian JI , Yuzhen GUO , Yingming LIU , Yanling HAN , Chenyang ZHANG , Xiufeng LI , Peixiao LI , Yue GOU
摘要： An ultrasonic pattern recognition assembly comprising: a substrate; a receiving member comprising at least one receiving electrode disposed on the substrate; a piezoelectric layer disposed on the substrate and covering the receiving member; a seed member comprising at least one seed block disposed on at least a portion of the piezoelectric layer; an insulating member disposed on the seed member and having at least one exposed portion, the at least one exposed portion exposing a portion of a surface of the seed member; and a transmitting member comprising at least one transmitting electrode disposed on the seed member, the at least one transmitting electrode extending from a surface of the seed member exposed by the exposed portion in a direction away from the substrate. A display device and a method of fabricating an ultrasonic pattern recognition assembly are also disclosed.
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公开(公告)号：US20220147146A1
公开(公告)日：2022-05-12
申请号：US17489968
申请日：2021-09-30
发明人： Yanling HAN , Jing YU , Yue GOU , Peixiao LI , Yaqian JI , Xiufeng LI , Lei WANG
IPC分类号： G06F3/01 , B06B1/02 , H01L25/075 , H01L33/58 , G06F3/043
摘要： Provided are a display substrate, a preparation method thereof, and a display apparatus. The display substrate includes a substrate, an array structure layer disposed on the substrate, a plurality of emitting units and a plurality of ultrasonic transducers disposed at intervals on a side of the array structure layer away from the substrate, wherein the ultrasonic transducers are disposed between adjacent emitting units, and the array structure layer includes a transducer drive circuit connected to the ultrasonic transducer, and the transducer drive circuit is configured to control the ultrasonic transducer to transmit ultrasonic waves and receive voltage signals generated by the ultrasonic transducer receiving echoes.
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7.发明申请公开(公告)号：US20210149510A1
公开(公告)日：2021-05-20
申请号：US17254971
申请日：2020-06-10
发明人： Chenyang ZHANG , Haisheng WANG , Yingming LIU , Xiufeng LI , Yanling HAN , Yuzhen GUO , Lijun ZHAO , Peixiao LI
摘要： A detection panel, a display apparatus, a method for driving the detection panel, and a method for manufacturing the detection panel are provided. The detection panel includes an upper electrode layer, a piezoelectric material layer and a conductive backing layer which are sequentially stacked. The piezoelectric material layer is configured to change an electric field between the upper electrode layer and the conductive backing layer under an ultrasonic wave, and generate an ultrasonic wave under an electric field. The conductive backing layer includes a plurality of noise elimination members, and each of the noise elimination members has a dimension in a direction parallel to the detection panel that gradually decreases in a direction distal to the piezoelectric material layer.
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8.发明申请公开(公告)号：US20220353613A1
公开(公告)日：2022-11-03
申请号：US17765225
申请日：2021-05-08
发明人： Yanling HAN , Yingming LIU , Yuzhen GUO , Chenyang ZHANG , Peixiao LI , Xiufeng LI , Yaqian JI , Yue GOU , Wei SUN , Wenchao HAN , Lianghao ZHANG
摘要： The present disclosure provides a sound producing device, a method for driving the sound producing device, a display panel and a display apparatus. The sound producing device includes a recognition element, a directional sound production element and a control element, where the recognition element is connected with the control element and is configured to acquire information relating to a person in a preset range and transmit the acquired information relating to the person to the control element; the control element is connected with the directional sound production element and is configured to acquire a corresponding audio signal according to the acquired information relating to the person and control the directional sound production element to send out a sound wave according to the acquired audio signal.
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公开(公告)号：US20220103940A1
公开(公告)日：2022-03-31
申请号：US17241797
申请日：2021-04-27
发明人： Yanling HAN , Yingming LIU , Yaqian JI , Xiufeng LI , Wenchao HAN , Lianghao ZHANG , Peixiao LI , Yuzhen GUO , Yue GOU , Chenyang ZHANG , Xiaoliang DING , Jing YU
摘要： The present application provides a display device, a sounding control method and a sounding control device. The display device includes: a display panel including a plurality of display pixel groups, wherein each display pixel group includes at least one pixel unit; a plurality of sounding units arranged in an array at one side of the display panel away from a display screen; and sound transmission channels in spacing regions between adjacent ones of the display pixel groups. Sound produced by the sounding units is output from the display panel through the sound transmission channels, and sound produced by different ones of the sounding units is output through different ones of the sound transmission channels.
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10.发明申请公开(公告)号：US20210156977A1
公开(公告)日：2021-05-27
申请号：US16832786
申请日：2020-03-27
发明人： Xiufeng LI , Yingming LIU , Haisheng WANG , Xiaoliang DING , Pengpeng WANG , Yuzhen GUO , Lijun ZHAO , Chenyang ZHANG , Yaqian JI , Yanling HAN , Peixiao LI
IPC分类号： G01S7/52 , B06B1/06 , H01L41/047 , H01L41/113 , H01L41/18 , B06B1/02
摘要： An ultrasonic sensing module, an ultrasonic sensing device and a control method thereof, and a display device. The ultrasonic sensing module includes a first electrode layer, a piezoelectric layer, a receiving electrode layer and an emission electrode layer. The first electrode layer is on a first side of the piezoelectric layer; the receiving electrode layer and the emission electrode layer insulated from the receiving electrode layer are on a second side of the piezoelectric layer; and the second side is opposite to the first side.
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