公开(公告)号：US20190163307A1

公开(公告)日：2019-05-30

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

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：US11373563B2

公开(公告)日：2022-06-28

申请号：US16084703

申请日：2018-01-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G09G3/00

Abstract: An anti-noise signal modulation circuit, a modulation method, a display panel and a display device are disclosed. The anti-noise signal modulation circuit includes a frequency-modulation control sub-circuit. An input end of the frequency modulation control sub-circuit is configured to receive an initial signal, and an output end of the frequency-modulation control sub-circuit is connected to a signal processing circuit that is preset; the frequency-modulation control sub-circuit is configured to frequency-modulate the initial signal by a switch signal that hops according to a preset period, and to output a modulation result to the signal processing circuit; and a frequency corresponding to the switch signal does not overlap with a noise frequency.

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：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：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：US20190070602A1

公开(公告)日：2019-03-07

申请号：US15956119

申请日：2018-04-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanling Han ,  Xue Dong ,  Haisheng Wang ,  Xiaoliang Ding ,  Yingming Liu ,  Yuzhen Guo ,  Xueyou Cao ,  Ping Zhang ,  Pengpeng Wang ,  Chih Jen Cheng ,  Wei Liu ,  Yangbing Li ,  Likai Deng

IPC: B01L3/00 ,  G02B26/00

Abstract: A microfluidic system and method are disclosed. The microfluidic system includes: a first base substrate; a second base substrate opposite to the first base substrate; a first electrode on a side of the first base substrate close to the second base substrate; and a second electrode on a side of the second base substrate close to the first base substrate, the first base substrate and the second base substrate forms a cell, the cell is configured to receive a liquid to be detected, the first electrode and the second electrode are configured to drive the liquid to be detected during a first time period, and output a capacitance signal between the first electrode and the second electrode during a second time period.

公开(公告)号：US11216120B2

公开(公告)日：2022-01-04

申请号：US16080077

申请日：2018-02-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G06F3/041 ,  G06F3/044 ,  H01Q7/00

Abstract: Embodiments of the present disclosure provide a touch panel and a driving method thereof, and a touch device. The touch panel includes a plurality of touch electrodes and at least one first switch element. Each of the at least one first switch element is provided between two touch electrodes of the plurality of touch electrodes, and is configured to be turned on according to a first signal from a first signal terminal such that the corresponding touch electrodes among the plurality of touch electrodes are connected via the at least one first switch element to form a coil.

公开(公告)号：US10802596B2

公开(公告)日：2020-10-13

申请号：US15996953

申请日：2018-06-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G06F3/01 ,  G06F3/0488 ,  G06F3/041 ,  G06F1/16 ,  H04N5/232 ,  G06K9/00 ,  G06F3/042 ,  G06K9/62 ,  H04N5/33 ,  G06K9/20 ,  G09G3/20 ,  G06F3/03

Abstract: A display device, a self-luminous display panel and a gesture recognition method are provided. The display device includes a self-luminous display panel, an infrared light source, at least one camera device, and an image processing device. The image processing device is coupled to the at least one camera device and configured to perform gesture recognition based on a plurality of successive infrared images and a plurality of successive visible light images of an operation body taken within a same period of time.

公开(公告)号：US10789443B2

公开(公告)日：2020-09-29

申请号：US16042492

申请日：2018-07-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G06K9/00

Abstract: A recognition device, a fingerprint recognition device and a fingerprint recognition apparatus are provided, and the fingerprint recognition device includes: a detection substrate provided with fingerprint detector units; a light barrier which is provided at a side, provided with the fingerprint detector units, of the detection substrate, and provided with light through holes corresponding to the fingerprint detector units; a cover plate which is provided at a side, facing away from the detection substrate, of the light barrier, and includes a light exit surface facing the light barrier and a touch surface facing away from the light barrier; and a light source for emitting light to the cover plate. Each fingerprint detector unit is configured to output an electrical signal according to an intensity of light incident on the fingerprint detector unit, after the light passes through the light through hole corresponding to the fingerprint detector unit.

公开(公告)号：US10678043B2

公开(公告)日：2020-06-09

申请号：US15945058

申请日：2018-04-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G02F1/133 ,  G02B26/00 ,  G02F1/1335 ,  H01L27/32 ,  H01L51/52 ,  H01L27/15 ,  H01L33/58 ,  H01L31/16 ,  G01S17/08 ,  G01S7/481 ,  G01S17/36 ,  H01L25/16 ,  G01S17/89 ,  G02F1/29

Abstract: The present disclosure relates to a display panel, a device and a method for controlling the same. The display panel includes: a substrate; a detecting light transmitter, a detecting light receiver, a first optical element and a second optical element which are disposed on the substrate. The first optical element is configured to diverge light emitted from the detecting light transmitter and the second optical element is configured to converge the reflected divergent light to the detecting light receiver.