公开(公告)号：US11902761B2

公开(公告)日：2024-02-13

申请号：US17765225

申请日：2021-05-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yanling Han ,  Yingming Liu ,  Yuzhen Guo ,  Chenyang Zhang ,  Peixiao Li ,  Xiufeng Li ,  Yaqian Ji ,  Yue Gou ,  Wei Sun ,  Wenchao Han ,  Lianghao Zhang

IPC: H04R3/12 ,  G06F3/01 ,  H04R1/02 ,  H04R1/40 ,  H04R17/00 ,  H04R29/00

CPC classification number: H04R3/12 ,  G06F3/011 ,  H04R1/028 ,  H04R1/403 ,  H04R17/00 ,  H04R29/002 ,  H04R2201/028 ,  H04R2201/401 ,  H04R2499/15

Abstract: 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.

公开(公告)号：US11762509B2

公开(公告)日：2023-09-19

申请号：US17764848

申请日：2021-04-14

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yaqian Ji ,  Yuzhen Guo ,  Yingming Liu ,  Yanling Han ,  Chenyang Zhang ,  Xiufeng Li ,  Peixiao Li ,  Yue Gou

IPC: G06F3/043 ,  G06V40/13 ,  G06F3/041

CPC classification number: G06F3/043 ,  G06F3/0412 ,  G06V40/1306 ,  G06F2203/04103

Abstract: 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.

公开(公告)号：US11519786B2

公开(公告)日：2022-12-06

申请号：US16120642

申请日：2018-09-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengpeng Wang ,  Xue Dong ,  Haisheng Wang ,  Chunwei Wu ,  Xiaoliang Ding ,  Chihjen Cheng ,  Yanling Han ,  Wei Liu ,  Xueyou Cao ,  Ping Zhang ,  Lijun Zhao

IPC: G01K1/02 ,  H02H1/00 ,  H03K5/24 ,  H02H9/04 ,  G01K7/32

Abstract: The present disclosure provides a temperature detection circuit. The temperature detection circuit includes: a first comparator, the first comparator having a first negative input terminal, a first positive input terminal and a first output terminal, the first negative input terminal being connected with an output terminal of a temperature sensor, the first positive input terminal being connected with a first reference voltage terminal; a monostable trigger, an input terminal of the monostable trigger being connected with the first output terminal of the first comparator; a low pass filter, an input terminal of the low pass filter being connected with an output terminal of the monostable trigger. The present disclosure further provides a temperature sensor device and a display device.

公开(公告)号：US11386692B2

公开(公告)日：2022-07-12

申请号：US16764951

申请日：2019-11-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yangbing Li ,  Haisheng Wang ,  Xiaoliang Ding ,  Pengpeng Wang ,  Jiabin Wang ,  Ping Zhang ,  Likai Deng ,  Yapeng Li ,  Chihjen Cheng ,  Yanling Han ,  Xueyou Cao

IPC: G02F1/1335 ,  G06V40/13 ,  G02F1/1333

Abstract: A display panel has a light-exit side and a non-light-exit side opposite to the light-exit side. A direction pointing to the non-light-exit side from the light-exit side is a first direction. In the first direction, the display panel includes a coded aperture mask layer and an optical sensing layer. The coded aperture mask layer includes a plurality of first light-transmission portions and a plurality of first light-shielding portions. The coded aperture mask layer is configured to form at least one part of a coded aperture array. The optical sensing layer includes a plurality of optical sensors. The optical sensing layer is configured to receive texture recognition light passed through the coded aperture array and convert optical signals of the texture recognition light into electrical signals. The texture recognition light is light carrying information about a texture to be recognized.

公开(公告)号：US11301076B2

公开(公告)日：2022-04-12

申请号：US16301523

申请日：2018-02-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： ChihJen Cheng ,  Yuzhen Guo ,  Pengpeng Wang ,  Xiaoliang Ding ,  Xueyou Cao ,  Yanling Han ,  Wei Liu

IPC: G06F3/041 ,  H01L27/32

Abstract: A piezoresistive detection circuit includes a first transistor, a second transistor, a fixed resistor, and a pressure sensitive resistor, a first end of the fixed resistor is connected with a first voltage signal terminal, and a second end of the fixed resistor is connected with a first node, a first end of the pressure sensitive resistor is connected with the first node, and a second end of the pressure sensitive resistor is grounded, a gate electrode of the first transistor is connected with the first node, a source electrode of the first transistor is connected with a second voltage signal terminal, and a drain electrode of the first transistor is connected with a source electrode of the second transistor, a gate electrode of the second transistor is connected with a scanning signal line, and a drain electrode of the second transistor is connected with a readline.

公开(公告)号：US11251791B2

公开(公告)日：2022-02-15

申请号：US16455821

申请日：2019-06-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yuzhen Guo ,  Haisheng Wang ,  Yingming Liu ,  Xiaoliang Ding ,  Yanling Han ,  Xueyou Cao

IPC: H03K17/687 ,  G01N21/03 ,  G01N33/50

Abstract: Disclosed are a microfluid detection device, system and method, a processing device and a storage medium, in the field of biochemistry. The device includes a first substrate and a second substrate facing each other, and a microfluid chamber between the first substrate and the second substrate; wherein the first substrate has a plurality of photoelectric sensors and an output circuit, each of the photoelectric sensors is configured to convert an optical signal passing through the second substrate and the microfluid chamber to an electrical signal, and the output circuit is configured to output the electrical signal obtained by the photoelectric sensor.

公开(公告)号：US20210327024A1

公开(公告)日：2021-10-21

申请号：US16345975

申请日：2018-06-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pengpeng Wang ,  Haisheng Wang ,  Xiaoliang Ding ,  Chihjen Cheng ,  Yanling Han ,  Ping Zhang

IPC: G06T3/40 ,  G06T7/593 ,  G06T7/80 ,  H04N13/239 ,  H04N13/246

Abstract: The present application provides an image stitching method. The image stitching method includes acquiring a first depth image a present frame of image obtained by a first camera; acquiring a second depth image of the present frame of image obtained by a second camera, the second depth image and the first depth image parlay overlapping with each other; converting the first depth image in a first camera coordinate system defined by the first camera into a third depth image in a second camera coordinate system defined by the second camera; and stitching the third depth image with the second depth image to obtain a stitched image.

公开(公告)号：US11130135B2

公开(公告)日：2021-09-28

申请号：US15977733

申请日：2018-05-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xue Dong ,  Haisheng Wang ,  Xiaoliang Ding ,  Yingming Liu ,  Yanling Han ,  Yuzhen Guo ,  Wei Liu ,  Xueyou Cao

IPC: B01L3/00 ,  G09G3/34

Abstract: A microfluidic system is disclosed, including: a first substrate, a second substrate and a droplet flow channel arranged therebetween; a droplet driving unit configured to drive a droplet to move; a first control circuit electrically connected to the droplet driving unit and configured to input a first driving signal to the droplet driving unit to enable the droplet to move along the predetermined movement trajectory; a droplet detection unit configured to detect the droplet and output a detection signal; a second control circuit electrically connected to the droplet detection unit and configured to receive the detection signal and acquire an actual movement trajectory of the droplet; and a signal adjustment unit configured to compare the actual movement trajectory with the predetermined movement trajectory, and if the actual movement trajectory is different from the predetermined movement trajectory, adjust in real time the first driving signal into a second driving signal.

公开(公告)号：US20210165523A1

公开(公告)日：2021-06-03

申请号：US15779079

申请日：2017-09-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang Ding ,  Xue Dong ,  Jing Lv ,  Haisheng Wang ,  Yingming Liu ,  Wei Liu ,  Pengpeng Wang ,  Yanling Han ,  Xueyou Cao ,  Ping Zhang

IPC: G06F3/042 ,  G06F3/041 ,  G09G3/34

Abstract: An optical sensing touch screen, a touch display device and a touch detection method are provided. The optical sensing touch screen includes a plurality of touch regions, each touch region is provided with one or more optical sensing units, and the one or more optical sensing units in each touch region are connected with a touch detection chip through an independent touch-signal reading line corresponding to the touch region.

公开(公告)号：US10991735B2

公开(公告)日：2021-04-27

申请号：US16454281

申请日：2019-06-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang Ding ,  Xue Dong ,  Haisheng Wang ,  Yingming Liu ,  Chihjen Cheng ,  Pengpeng Wang ,  Yanling Han ,  Wei Liu

IPC: H01L27/146 ,  H04N5/378 ,  H04N5/374 ,  H01L31/14 ,  H04N5/353 ,  H04N5/3745

Abstract: The present disclosure provides an optical detection pixel unit, an optical detection pixel circuit, an optical detection method and a display device. The optical detection pixel unit comprise a photosensitive element and a detection transistor, wherein the photosensitive element has a first electrode connected with a photovoltage terminal, and a second electrode connected with a gate of the detection transistor; the photosensitive element is configured to detect an optical signal under the control of the photovoltage terminal; and the detection transistor has a first electrode connected with a detection voltage line, and a second electrode connected with a reading line.