公开(公告)号：US10970514B2

公开(公告)日：2021-04-06

申请号：US16637025

申请日：2019-05-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueyou Cao ,  Haisheng Wang ,  Xiaoliang Ding ,  Chih Jen Cheng ,  Yanling Han ,  Wei Liu ,  Pengpeng Wang ,  Ping Zhang

IPC: G09G5/00 ,  G06F3/041 ,  G06K9/00 ,  G09G5/10

Abstract: Provided are a compensation structure and a driving method thereof, a display panel, and a display device. The compensation structure includes a photoelectric sensing circuit, a fingerprint recognition circuit and a compensation circuit. The photoelectric sensing circuit is configured to respectively generate a first electric signal and a second electric signal according to received first optical signal and second optical signal. The fingerprint recognition circuit is configured to be connected to the photoelectric sensing circuit to receive the first electric signal, and to employ the first electric signal to determine a fingerprint pattern. The compensation circuit is configured to be connected to the photoelectric sensing circuit to receive the second electric signal, and to employ the second electric signal to perform optical compensation so as to adjust the first electric signal.

公开(公告)号：US10817699B2

公开(公告)日：2020-10-27

申请号：US16316457

申请日：2018-03-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G06K9/00

Abstract: The present disclosure discloses a fingerprint recognition device, a display substrate and a display apparatus. The fingerprint recognition device includes: at least one fingerprint detection component; at least one fingerprint recognition signal line, the fingerprint detection component outputs a detection current to the fingerprint recognition signal line; at least one noise reduction circuit serially coupled in the fingerprint recognition signal line, the noise reduction circuit being a resistive component; and a fingerprint determination circuit coupled to the fingerprint recognition signal line, configured to determine a morphology of a fingerprint according to a current signal, subjected to a noise reduction by the noise reduction circuit and transmitted by the fingerprint recognition signal line. The fingerprint recognition device can filter out the current generated by coupling the fingerprint recognition signal line with other data lines, the interference with the detection current is reduced, the accuracy of the fingerprint recognition is improved.

公开(公告)号：US10763574B2

公开(公告)日：2020-09-01

申请号：US16301621

申请日：2018-03-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueyou Cao ,  Jing Lv ,  Haisheng Wang ,  Chun Wei Wu ,  Xiaoliang Ding ,  Yingming Liu ,  Chih Jen Cheng ,  Yanling Han ,  Wei Liu ,  Weibing Gong ,  Ping Zhang

IPC: H01Q1/00 ,  H01Q1/24 ,  G02F1/1335 ,  H05K1/18 ,  H01Q21/06 ,  H01Q1/38 ,  G06F3/01 ,  H01Q21/08 ,  H01Q1/44 ,  H01Q9/04

Abstract: A display device, a color filter substrate, a mobile terminal and a driving method thereof are provided. The display device includes a first substrate, provided with a drive device array for controlling display; a second substrate opposite to the first substrate, with a shield layer disposed on a side of the second substrate facing the first substrate; and an antenna device on the second substrate, located on a side of the shield layer away from the first substrate.

公开(公告)号：US10762323B2

公开(公告)日：2020-09-01

申请号：US16307912

申请日：2018-02-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G06K9/00 ,  G09G3/3225 ,  G09G3/3266

Abstract: A fingerprint recognition apparatus is provided. The fingerprint recognition apparatus includes m driving signal lines, n reading signal lines, and m*n photosensitive devices. Each of a plurality of electrode signal controllers is connected to at least two of the m driving signal lines, the plurality of electrode signal controllers are configured to simultaneously input driving signals of different frequencies to each of the m driving signal lines connected to the plurality of electrode signal controllers, and a demodulator is connected to the n reading signal lines, and is configured to demodulate electrical signals of different frequencies transmitted on each of the n reading signal lines.

公开(公告)号：US10649586B2

公开(公告)日：2020-05-12

申请号：US15769409

申请日：2017-09-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang Ding ,  Haisheng Wang ,  Yingming Liu ,  Yanling Han ,  Chih-Jen Cheng

IPC: G06F3/01 ,  G06F3/043 ,  G06F3/0481 ,  G06F3/041

Abstract: There are disclosed a system and method for touch and interaction in a three-dimension display, and after a three-dimension touch and interaction mode is enabled, a relative location relationship between a touch position of an operator and a display panel is determined according to transmitting time of ultrasonic signals transmitted by at least two ultrasonic transmitters and receiving time when ultrasonic signals reflected at the touch position of the operator are received by at least two ultrasonic sensors; and then the ultrasonic transmitters are controlled to transmit ultrasonic signals at preset power to the touch position of the operator according to a three-dimension object currently displayed on the display panel and the relative location relationship between the touch position of the operator and the display panel to make feedback for a touch operation at the touch position of the operator.

公开(公告)号：US10585516B2

公开(公告)日：2020-03-10

申请号：US16313398

申请日：2018-03-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chih Jen Cheng ,  Xiaoliang Ding ,  Changfeng Li ,  Pengpeng Wang ,  Wei Liu ,  Yanling Han ,  Xueyou Cao ,  Ping Zhang

IPC: G06F3/041 ,  G09G3/3233 ,  G06F3/044 ,  H01L27/32 ,  G09G3/3258

Abstract: The present disclosure relates to a touch driving circuit. The touch driving circuit may include a driving transistor. A control terminal of the driving transistor is configured to receive a data signal. A first terminal of the driving transistor is configured to receive a power signal. A second terminal of the driving transistor is connected to a first electrode of a light emitting element in the touch panel. The touch driving circuit may include a touch electrode configured to transmit a touch signal. The touch electrode forms parasitic capacitance with a second electrode of the light emitting element. The touch driving circuit may include a control unit configured to transmit a compensation signal to the second terminal of the driving transistor in response to a control signal. The power signal, the data signal, the touch signal, and the compensation signal are synchronously modulated signals during a touch stage.

公开(公告)号：US20200042764A1

公开(公告)日：2020-02-06

申请号：US16383846

申请日：2019-04-15

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xueyou Cao ,  Haisheng Wang ,  Xiaoliang Ding ,  Lei Wang ,  Wei Liu ,  Yanling Han ,  Bo Chen ,  Pengpeng Wang ,  Ping Zhang ,  Chihjen Cheng ,  Likai Deng

IPC: G06K9/00 ,  G06F3/042 ,  G06F3/041 ,  H01L27/32 ,  G09G3/3291

Abstract: The disclosure discloses a display panel, a method for driving the same, and a display device, where the display panel includes a plurality of detection circuits arranged in an array, each detection circuit includes a control component, and a plurality of photosensitive recognition components arranged in an array; the control component is configured to obtain electric signals provided by the plurality of photosensitive recognition components, to process and then output, in a process of recognizing a fingerprint, the electric signals provided by the plurality of photosensitive recognition components separately, and to superimpose, in a process of detecting a touch, the electric signals provided by the plurality of photosensitive recognition components, and to process and output an electric signal resulting from the superimposition.

公开(公告)号：US20190179195A1

公开(公告)日：2019-06-13

申请号：US16321933

申请日：2018-02-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ping Zhang ,  Xue Dong ,  Haisheng Wang ,  Chun-Wei Wu ,  Xiaoliang Ding ,  Yanling Han ,  Xueyou Cao ,  Wei Liu ,  Yingming Liu ,  Yuzhen Guo ,  Pengpeng Wang ,  Chih-Jen Cheng ,  Rui Xu ,  Lijun Zhao ,  Yanan Jia ,  Changfeng Li ,  Yunke Qin ,  Pinchao Gu

IPC: G02F1/1333 ,  H01Q1/22 ,  H05K5/00

Abstract: A display panel and a display device are provided in embodiments of the disclosure, the display panel having a display region and a non-display region surrounding the periphery of the display region, and comprising: a first display substrate; a second display substrate, which is arranged opposite to, aligned with and assembled together with the first display substrate; a signal shielding frame, in the non-display region and between the first display substrate and the second display substrate; and signal antennas within the signal shielding frame, the signal shielding frame being configured to shield at least an inward transmission of the signal from the signal antennas towards the display region, so as to enable merely an outward transmission of the signal from the signal antennas towards an outer side of the display panel.

公开(公告)号：US10275072B2

公开(公告)日：2019-04-30

申请号：US15228834

申请日：2016-08-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanling Han ,  Xuefei Wang ,  Chunfang Zhang ,  Xiangxiang Zou

IPC: G06F3/041 ,  G06F3/044

Abstract: The present disclosure discloses a touch control structure, a display panel and a touch control method. The touch control structure comprises a first conductive layer, a second conductive layer, a plurality of insulative supporting points, and a detection module. The second conductive layer comprises a plurality of electrodes which are independent from each other. The plurality of insulative supporting points is arranged on the first conductive layer and under the second conductive layer. The detection module is connected to the plurality of electrodes, and configured to detect an electrode in the second conductive layer contacted with the first conductive layer when the first conductive layer is pressed, and to determine a level of pressure pressed on the first conductive layer.

公开(公告)号：US20190105655A1

公开(公告)日：2019-04-11

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.