公开(公告)号：US20210325970A1

公开(公告)日：2021-10-21

申请号：US16327667

申请日：2018-07-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chih Jen CHENG ,  Xiaoliang DING ,  Yanling HAN ,  Pengpeng WANG ,  Ping ZHANG ,  Wei LIU ,  Xueyou CAO

IPC: G06F3/01 ,  G06F3/14 ,  G06F3/0488 ,  G06F3/0484

Abstract: An embodiment of the present disclosure provides an interactive display method. The interactive display method includes: first, establishing a connection between a first terminal and a second terminal; then, obtaining a first gesture of a user; next, the first terminal sending at least a part of first display data to the second terminal according to the first gesture; the second terminal displaying the at least a part of the first display data. A display terminal and an interactive display system are also provided.

公开(公告)号：US20200242321A1

公开(公告)日：2020-07-30

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: 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：US20220011919A9

公开(公告)日：2022-01-13

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：US20190313048A1

公开(公告)日：2019-10-10

申请号：US16078626

申请日：2017-10-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chih Jen CHENG ,  Xiaoliang DING

IPC: H04N5/3745 ,  H04N5/376 ,  H04N5/225 ,  H01L27/146

Abstract: Embodiments of the present disclosure provide a CMOS image sensor, and a pixel circuit and a driving method thereof. The pixel circuit includes: a collection circuit configure to collect an incident light and convert a collected optical signal into an electric signal; a source follower circuit configured to output the received electric signal to a collection signal output terminal under the control of scan lines; and a voltage conversion circuit, configured to be connected to the collection signal output terminal through a read signal line, convert a voltage at the collection signal output terminal to an output voltage, and output the output voltage at a voltage output terminal, wherein the output voltage is within an operating voltage range of an image processor.

公开(公告)号：US20210333925A1

公开(公告)日：2021-10-28

申请号：US16318281

申请日：2018-05-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengpeng WANG ,  Xue DONG ,  Haisheng WANG ,  Xiaoliang DING ,  Yingming LIU ,  Chih Jen CHENG ,  Wei LIU ,  Xueyou CAO ,  Ping ZHANG ,  Changfeng LI

IPC: G06F3/042 ,  G06F3/041 ,  H01L27/12 ,  G06K9/00

Abstract: Embodiments of the present disclosure provide a fingerprint identification device, an array substrate, a display device and a fingerprint identification method. The fingerprint identification device includes: a first gate line, a second gate line, a read signal line and a voltage dividing unit, wherein, a plurality of fingerprint identification units are defined by the second gate line and the read signal line intersecting with each other, and the fingerprint identification unit includes a photosensitive member and a thin film transistor; the first gate line is connected with the voltage dividing unit, the voltage dividing unit includes a pressure sensitive member and an equivalent resistor connected in series, and the second gate line is connected between the pressure sensitive member and the equivalent resistor.

公开(公告)号：US20210201717A1

公开(公告)日：2021-07-01

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：US20210164844A1

公开(公告)日：2021-06-03

申请号：US15779357

申请日：2017-09-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chih Jen CHENG ,  Lijun ZHAO

IPC: G01K7/01 ,  G09G3/00

Abstract: The present disclosure relates to a temperature detection circuit, a display panel, and a display device. The temperature detection circuit includes: an odd number of inverters coupled end to end in series to form a loop; and a plurality of switches, two terminals of each of which correspondingly coupled to two terminals of an even number of inverters, which are coupled continuously, among the odd number of inverters.

公开(公告)号：US20190237480A1

公开(公告)日：2019-08-01

申请号：US16218793

申请日：2018-12-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chih Jen CHENG ,  Pengpeng WANG ,  Wei LIU ,  Xueyou CAO ,  Yanling HAN ,  Ping ZHANG ,  Xiaoliang DING

IPC: H01L27/12 ,  G09G3/32

CPC classification number: H01L27/124 ,  G09G3/32 ,  G09G2300/0426 ,  G09G2300/0439 ,  G09G2310/0294

Abstract: An array substrate includes: a plurality of pixel units arranged in an array, selection lines, a reset circuit and readout circuits. Second terminals of transistors in pixel units belonging to a same column are connected to at least two of the read lines, so that a part of the pixel units are connected to a same read line, and another part of the pixel units are connected to the other one of the at least two of the read lines. For each column of the pixel units, each of the read lines is connected to one of the readout circuits corresponding to the column of the pixel units through a switching element; and for each column of the pixel units, each of the read lines is connected to the reset circuit through a switching element.

公开(公告)号：US20190205592A1

公开(公告)日：2019-07-04

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：US20190042043A1

公开(公告)日：2019-02-07

申请号：US15918325

申请日：2018-03-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengpeng WANG ,  Haisheng WANG ,  Xiaoliang DING ,  Chih Jen CHENG ,  Yanling HAN ,  Ping ZHANG ,  Xueyou CAO ,  Wei LIU ,  Yuzhen GUO

IPC: G06F3/041 ,  G06F3/044

Abstract: A pressure sensing detection circuit and a driving method thereof, an electronic device. The pressure sensing detection circuit includes: an excitation signal circuit, configured to output an alternating current voltage signal; a pressure sensing circuit, configured to sense a magnitude of an external pressure and output a detection voltage signal under excitation of the alternating current voltage signal; and a phase detection circuit, configured to detect a phase change value of the detection voltage signal and convert the phase change value into a voltage value.