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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：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：US20220004729A1
公开(公告)日：2022-01-06
申请号：US16959220
申请日：2019-08-21
发明人： Pengpeng WANG , Haisheng WANG , Xiaoliang DING , Yingming LIU , Liang CUI , Yubo WANG , Yangbing LI , Xiufeng LI , Xueyou CAO
摘要： A fingerprint identification circuit and a driving method thereof, a fingerprint identification module, and a display device are provided. The fingerprint identification circuit includes a plurality of first signal receiving circuit groups, a plurality of second signal receiving circuit groups, and a plurality of first signal acquisition lines. The plurality of first signal acquisition lines are arranged in one-to-one correspondence with the plurality of first signal receiving circuit groups, and each first signal acquisition line is connected with multiple first acquisition signal input terminals of multiple signal receiving circuits in a corresponding one of the first signal receiving circuit groups.
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公开(公告)号：US20210200985A1
公开(公告)日：2021-07-01
申请号：US16966394
申请日：2020-01-17
发明人： Wenqu LIU , Xiufeng LI , Qi YAO , Feng ZHANG , Liwen DONG , Zhao CUI , Chuanxiang XU , Detian MENG , Xiaoxin SONG , Libo WANG , Yang YUE , Dongfei HOU , Zhijun LV
摘要： A fingerprint identification module, a manufacturing method thereof and an electronic device are disclosed. The fingerprint identification module includes a substrate, a piezoelectric material layer, an auxiliary structure and a plurality of first driving electrodes; the piezoelectric material layer is on the substrate, the auxiliary structure is at least partially located on the substrate, and the plurality of first driving electrodes are on a side, away from the substrate, of the piezoelectric material and the auxiliary structure; each first driving electrode extends along a first direction and exceeds a first edge of the piezoelectric material layer in the first direction; the plurality of first driving electrodes are arranged at intervals along a second direction; the auxiliary structure is at least in contact with the first edge; the auxiliary structure includes a slope portion; and a thickness of the slope portion in a direction perpendicular to the functional substrate gradually decreases in a direction from the first edge to a position away from a center of the piezoelectric material layer. The fingerprint identification module can avoid the problems of wire disconnection and conductive material residue in the process of forming the plurality of first driving electrodes on the piezoelectric material layer, thereby improving the yield of products.
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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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6.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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8.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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公开(公告)号：US20240223936A1
公开(公告)日：2024-07-04
申请号：US18608223
申请日：2024-03-18
发明人： Yaqian JI , Xue DONG , Wei SUN , Yingming LIU , Wenchao HAN , Xiaoliang DING , Xiufeng LI , Yanling HAN , Lianghao ZHANG , Chenyang ZHANG , Yuzhen GUO , Peixiao LI , Yue GOU
CPC分类号： H04R1/24 , H04R1/028 , H04R3/12 , H04R7/04 , H04R7/18 , H04R9/025 , H04R9/06 , H04R31/003 , H04R2499/15
摘要： A display panel and a fabricating method are provided. Display panel includes a display assembly and sound generation assemblies. The display assembly comprises a display assembly substrate and a plurality of pixel components. Each sound generation assembly comprises a vibrating membrane and an exciter. The exciter comprises a motion part in contact with the vibrating membrane and a drive part driving the motion part to vibrate, and the motion part vibrates to drive the vibrating membrane to vibrate. The display assembly substrate and the vibrating membrane are the same structure. The pixel components are disposed on a side of the vibrating membrane facing away from the exciter. A projection of the each sound generation assembly on the display assembly substrate covers projections of at least two pixel components on the display assembly substrate.
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公开(公告)号：US20220386019A1
公开(公告)日：2022-12-01
申请号：US17765200
申请日：2021-05-20
发明人： Yaqian JI , Xue DONG , Wei SUN , Yingming LIU , Wenchao HAN , Xiaoliang DING , Xiufeng LI , Yanling HAN , Lianghao ZHANG , Chenyang ZHANG , Yuzhen GUO , Peixiao LI , Yue GOU
摘要： The present disclosure provides a display panel, a fabricating method and a control method thereof and a display device. Display panel includes a display assembly and sound generation assemblies. Display assembly includes a display assembly substrate and pixel components disposed on a side of display assembly substrate. Each sound generation assembly includes a vibrating membrane, an exciter, and a support structure. Support structure is disposed on a side of vibrating membrane and has a cavity. Exciter includes a motion part in contact with vibrating membrane and a drive part disposed in cavity. Drive part drives motion part to vibrate, and motion part vibrates to drive vibrating membrane to vibrate. Display assembly substrate and vibrating membrane are the same structure, and pixel components are disposed on a side of vibrating membrane facing away from support structure. Display device includes the display panel above.
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