Patents by Inventor Yanling Han
Yanling Han has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11979737Abstract: A display device and an operation method of the display device are provided in the present disclosure. The display device includes a display screen a sound-generation driving module, and further includes an acoustic scanning module, arranged on a non-display side of the display screen and configured to determine a spatial contour of a space where the display device is located through acoustic scanning; a viewer position detection module, configured to detect viewer coordinates in the space where the display device is located; and a control module, configured to control the sound-generation driving module to generate sound in accordance with the spatial contour and the viewer coordinates.Type: GrantFiled: April 15, 2021Date of Patent: May 7, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Yue Gou, Yingming Liu, Yaqian Ji, Xiufeng Li, Yanling Han, Chenyang Zhang, Peixiao Li, Yuzhen Guo, Wenchao Han, Lianghao Zhang
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Publication number: 20240069182Abstract: The disclosure provides an ultrasonic signal detection circuit including a sensing circuit, a unidirectional conduction circuit and a source follower circuit. The sensing circuit is connected to an input terminal of the source follower circuit through the unidirectional conduction circuit; the sensing circuit is configured to generate a piezoelectric signal according to a received ultrasonic echo signal and output the piezoelectric signal to the unidirectional conduction circuit. The piezoelectric signal is an alternating current signal; the unidirectional conduction circuit is configured to rectify the alternating current signal to only allow a forward or a reverse current portion thereof to pass through. The forward/reverse current portion charges/discharges the input terminal of the source follower circuit after passing through the unidirectional conduction circuit.Type: ApplicationFiled: May 21, 2021Publication date: February 29, 2024Inventors: Liang CUI, Lei WANG, Yangbing LI, Yingzi WANG, Jiabin WANG, Yubo WANG, Yanling HAN
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Patent number: 11902761Abstract: 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.Type: GrantFiled: May 8, 2021Date of Patent: February 13, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yanling Han, Yingming Liu, Yuzhen Guo, Chenyang Zhang, Peixiao Li, Xiufeng Li, Yaqian Ji, Yue Gou, Wei Sun, Wenchao Han, Lianghao Zhang
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Patent number: 11850629Abstract: A piezoelectric sensor assembly, a manufacturing method thereof, a display panel and an electronic device including the same are provided. The piezoelectric sensor assembly includes: a base substrate; a plurality of ultrasonic transducers, wherein a spacing area is provided between two adjacent ultrasonic transducers; and an acoustic matching layer, wherein the acoustic matching layer includes a plurality of acoustic matching areas, and an orthographic projection of at least one acoustic matching area on the base substrate falls into an orthographic projection of the ultrasonic transducer corresponding to the acoustic matching area on the base substrate, wherein an isolation cavity is provided between two adjacent acoustic matching areas.Type: GrantFiled: May 25, 2020Date of Patent: December 26, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Chenyang Zhang, Yingming Liu, Haisheng Wang, Peixiao Li, Xiufeng Li, Yuzhen Guo, Yanling Han, Lijun Zhao
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Patent number: 11790685Abstract: 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.Type: GrantFiled: November 21, 2019Date of Patent: October 17, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yuzhen Guo, Yingming Liu, Haisheng Wang, Xiufeng Li, Peixiao Li, Yanling Han, Chenyang Zhang, Lijun Zhao, Yaqian Ji, Xue Dong, Xiaochuan Chen
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Patent number: 11762509Abstract: 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.Type: GrantFiled: April 14, 2021Date of Patent: September 19, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Yaqian Ji, Yuzhen Guo, Yingming Liu, Yanling Han, Chenyang Zhang, Xiufeng Li, Peixiao Li, Yue Gou
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Patent number: 11657638Abstract: An ultrasonic fingerprint sensor apparatus is provided. The ultrasonic fingerprint sensor apparatus includes an array of a plurality of ultrasonic sensors on a base substrate. A respective one of the plurality of ultrasonic sensors includes a first electrode, a second electrode, and a piezoelectric layer between the first electrode and the second electrode. The ultrasonic fingerprint sensor apparatus further includes a plurality of bias lines respectively electrically connected to a plurality of columns of ultrasonic sensors in the array of the plurality of ultrasonic sensors. The ultrasonic fingerprint sensor apparatus further includes a polarization electrode; a first lead line electrically connected to the polarization electrode; and a second lead line electrically connected to the plurality of bias lines. The first lead line and the second lead line are in a peripheral region of the ultrasonic fingerprint sensor apparatus.Type: GrantFiled: September 27, 2019Date of Patent: May 23, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Yingming Liu, Haisheng Wang, Yanling Han, Yuzhen Guo, Lijun Zhao
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Patent number: 11659338Abstract: An ultrasonic generator includes a substrate, a lower electrode on the substrate, an upper electrode on the lower electrode, and an ultrasonic generation unit between the lower electrode and the upper electrode. The ultrasonic generation unit includes a vibration chamber and an ultrasonic generation layer on the vibration chamber. The ultrasonic generation layer is configured to propel a surrounding medium to vibrate to generate ultrasonic waves in response to a voltage difference between the upper electrode and the lower electrode.Type: GrantFiled: July 19, 2019Date of Patent: May 23, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yanling Han, Haisheng Wang, Xiaoliang Ding, Yingming Liu, Pengpeng Wang, Chihjen Cheng, Ping Zhang, Xueyou Cao
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Publication number: 20230154228Abstract: 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.Type: ApplicationFiled: November 21, 2019Publication date: May 18, 2023Inventors: Yuzhen GUO, Yingming LIU, Haisheng WANG, Xiufeng LI, Peixiao LI, Yanling HAN, Chenyang ZHANG, Lijun ZHAO, Yaqian JI, Xue DONG, Xiaochuan CHEN
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Patent number: 11651725Abstract: There is provided a fingerprint identification pixel driving circuit, including: a fingerprint signal identification element configured to transmit an ultrasonic wave and receive a reflected ultrasonic wave according to a voltage of a first node and a signal of a second signal terminal to generate a sensing signal; a drive reading element configured to drive a light emitting element according to the voltage of the first node and generate a sensing current according to the sensing signal; a fingerprint signal reading element configured to output the sensing current; a pixel charging element configured to write a signal of a data line terminal to a storage element; the storage element configured to store the sensing signal or the signal of the data line terminal; a light emitting control element configured to control light emitting of the light emitting element; and the light emitting element configured to emit light.Type: GrantFiled: April 22, 2020Date of Patent: May 16, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lijun Zhao, Yingming Liu, Haisheng Wang, Yanling Han, Yuzhen Guo, Chenyang Zhang
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Patent number: 11648552Abstract: The present disclosure provides a microfluidic device, a driving method thereof and a microfluidic system. The microfluidic device includes a first substrate and a second substrate disposed opposite to each other, and a microcavity provided between the first and second substrates for accommodating droplets. The microfluidic device further includes at least one ultrasonic layer provided between the first and second substrates. The at least one ultrasonic layer includes a plurality of ultrasonic sensors configured to perform at least one of detection operation and driving operation to the droplets accommodated in the microcavity.Type: GrantFiled: March 4, 2019Date of Patent: May 16, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ping Zhang, Haisheng Wang, Xiaoliang Ding, Wei Liu, Xueyou Cao, Pengpeng Wang, Yanling Han, Jiabin Wang, Yangbing Li, ChihJen Cheng, Likai Deng
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Publication number: 20230101504Abstract: There is provided a fingerprint identification pixel driving circuit, including: a fingerprint signal identification element configured to transmit an ultrasonic wave and receive a reflected ultrasonic wave according to a voltage of a first node and a signal of a second signal terminal to generate a sensing signal; a drive reading element configured to drive a light emitting element according to the voltage of the first node and generate a sensing current according to the sensing signal; a fingerprint signal reading element configured to output the sensing current; a pixel charging element configured to write a signal of a data line terminal to a storage element; the storage element configured to store the sensing signal or the signal of the data line terminal; a light emitting control element configured to control light emitting of the light emitting element; and the light emitting element configured to emit light.Type: ApplicationFiled: April 22, 2020Publication date: March 30, 2023Inventors: Lijun ZHAO, Yingming LIU, Haisheng WANG, Yanling HAN, Yuzhen GUO, Chenyang ZHANG
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Publication number: 20230087503Abstract: An ultrasonic fingerprint sensor apparatus is provided. The ultrasonic fingerprint sensor apparatus includes an array of a plurality of ultrasonic sensors on a base substrate. A respective one of the plurality of ultrasonic sensors includes a first electrode, a second electrode, and a piezoelectric layer between the first electrode and the second electrode. The ultrasonic fingerprint sensor apparatus further includes a plurality of bias lines respectively electrically connected to a plurality of columns of ultrasonic sensors in the array of the plurality of ultrasonic sensors. The ultrasonic fingerprint sensor apparatus further includes a polarization electrode; a first lead line electrically connected to the polarization electrode; and a second lead line electrically connected to the plurality of bias lines. The first lead line and the second lead line are in a peripheral region of the ultrasonic fingerprint sensor apparatus.Type: ApplicationFiled: September 27, 2019Publication date: March 23, 2023Applicant: BOE Technology Group Co., Ltd.Inventors: Yingming Liu, Haisheng Wang, Yanling Han, Yuzhen Guo, Lijun Zhao
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Publication number: 20230092950Abstract: 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.Type: ApplicationFiled: January 5, 2021Publication date: March 23, 2023Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yaqian JI, Jing YU, Xiufeng LI, Yue GOU, Yanling HAN, Peixiao LI, Lei WANG
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Patent number: 11599196Abstract: 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.Type: GrantFiled: September 30, 2021Date of Patent: March 7, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Yanling Han, Jing Yu, Yue Gou, Peixiao Li, Yaqian Ji, Xiufeng Li, Lei Wang
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Patent number: 11579274Abstract: 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.Type: GrantFiled: March 27, 2020Date of Patent: February 14, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiufeng Li, Yingming Liu, Haisheng Wang, Xiaoliang Ding, Pengpeng Wang, Yuzhen Guo, Lijun Zhao, Chenyang Zhang, Yaqian Ji, Yanling Han, Peixiao Li
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Patent number: 11564037Abstract: 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.Type: GrantFiled: April 27, 2021Date of Patent: January 24, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yanling Han, Yingming Liu, Yaqian Ji, Xiufeng Li, Wenchao Han, Lianghao Zhang, Peixiao Li, Yuzhen Guo, Yue Gou, Chenyang Zhang, Xiaoliang Ding, Jing Yu
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Patent number: 11534758Abstract: A micro-total analysis system and a method thereof are provided. The micro-total analysis system includes: a microfluidic device, configured to accommodate a liquid to be detected; an optical unit, configured to form a first light irradiated to the microfluidic device; and a detection unit, configured to detect the liquid to be detected and output a detection signal to obtain detection information.Type: GrantFiled: August 16, 2018Date of Patent: December 27, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xue Dong, Yanling Han, Haisheng Wang, Chuncheng Che, Xiaoliang Ding, Yingming Liu, Yuzhen Guo, Wanxian Xu, Peizhi Cai, Haochen Cui, Fengchun Pang
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Publication number: 20220406086Abstract: 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.Type: ApplicationFiled: May 31, 2021Publication date: December 22, 2022Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yue GOU, Yingming LIU, Liang CUI, Xiufeng LI, Yanling HAN, Yaqian JI, Chenyang ZHANG, Peixiao LI, Yuzhen GUO, Yingzi WANG
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Publication number: 20220394416Abstract: A display device and an operation method of the display device are provided in the present disclosure. The display device includes a display screen a sound-generation driving module, and further includes an acoustic scanning module, arranged on a non-display side of the display screen and configured to determine a spatial contour of a space where the display device is located through acoustic scanning; a viewer position detection module, configured to detect viewer coordinates in the space where the display device is located; and a control module, configured to control the sound-generation driving module to generate sound in accordance with the spatial contour and the viewer coordinates.Type: ApplicationFiled: April 15, 2021Publication date: December 8, 2022Inventors: Yue GOU, Yingming LIU, Yaqian JI, Xiufeng LI, Yanling HAN, Chenyang ZHANG, Peixiao LI, Yuzhen GUO, Wenchao HAN, Lianghao ZHANG