公开(公告)号：US20210074227A1

公开(公告)日：2021-03-11

申请号：US16630854

申请日：2019-04-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ping ZHANG ,  Haisheng WANG ,  Xiaoliang DING ,  Yingming LIU ,  Xueyou CAO ,  Pengpeng WANG ,  Likai DENG ,  Pinchao GU ,  Yunke QIN

IPC: G09G3/34 ,  B01L3/00

Abstract: Disclosed herein is an apparatus comprising: a first switch and a second switch; wherein the first switch is configured to apply a drive signal to a first electrode when the first switch receives a control signal; wherein the second switch is configured to electrically isolate the first electrode from a second electrode when the second switch receives the control signal; wherein the second switch is configured to short-circuit the first electrode to the second electrode when the second switch does not receive the control signal; wherein the first electrode and the second electrode face each other and are separated by a gap configured to accommodate a liquid droplet.

公开(公告)号：US20200083205A1

公开(公告)日：2020-03-12

申请号：US16414773

申请日：2019-05-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang DING ,  Xue DONG ,  Haisheng WANG ,  Xiaochuan CHEN ,  Likai DENG

IPC: H01L25/18 ,  H01L25/00 ,  H01L23/00

Abstract: A display panel and a method of fabricating the same, and a display device are provided, the display panel includes a display substrate a package substrate opposite to each other, the display substrate includes a first base substrate; and a first electrode, an electroluminescent layer and a second electrode disposed on the first base substrate in sequence; the package substrate includes a second base substrate; and a conductive layer on the second base substrate, the conductive layer and the second electrode facing towards each other; the display panel further includes a conductive adhesive between the second electrode and the conductive layer, the conductive adhesive is configured to bond the display substrate with the package substrate, and electrically connect the second electrode with the conductive layer.

公开(公告)号：US20210216148A1

公开(公告)日：2021-07-15

申请号：US16633952

申请日：2019-01-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengpeng WANG ,  Haisheng WANG ,  Xiaoliang DING ,  Wenqing ZHAO ,  Yangbing LI ,  Yapeng LI ,  Likai DENG ,  Yuanyuan MA ,  Lei WANG

IPC: G06F3/03 ,  G02F1/29 ,  H04N5/225

Abstract: A display device, an electronic device, and a method for driving a display device are provided. The display device includes a display panel and a plurality of image sensors. The display panel has a display side and a back side opposite to the display side, the plurality of image sensors are independent at a plurality of independent positions on the back side of the display panel, and the plurality of image sensors are configured to integrally obtain depth image information of a target to be detected on the display side of the display panel.

公开(公告)号：US20210210964A1

公开(公告)日：2021-07-08

申请号：US16766196

申请日：2019-12-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueyou CAO ,  Xiaoliang DING ,  Haisheng WANG ,  Yunke QIN ,  Pengpeng WANG ,  Bo CHEN ,  Ping ZHANG ,  Likai DENG ,  Wenjuan WANG

IPC: H02J7/00 ,  G06K9/00

Abstract: A photoelectric conversion circuit and a driving method thereof, a photosensitive device and a display device are disclosed. The photoelectric conversion circuit includes a photosensitive circuit, a detection circuit, and a charging circuit, and the photosensitive circuit is connected to the detection circuit and the charging circuit respectively. The photosensitive circuit is configured to convert an optical signal into an electric signal, output the electric signal to the detection circuit in a first state for detection of the optical signal and output the electric signal to the charging circuit in a second state for charging.

公开(公告)号：US20210209326A1

公开(公告)日：2021-07-08

申请号：US16762349

申请日：2019-11-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueyou CAO ,  Pengpeng WANG ,  Xiaoliang DING ,  Haisheng WANG ,  Ping ZHANG ,  Wenjuan WANG ,  Yapeng LI ,  Jiabin WANG ,  Likai DENG

IPC: G06K9/00 ,  H03K17/96 ,  G01J1/44

Abstract: A detection circuit, a skin print recognition device and a method for driving a detection circuit are disclosed. The detection circuit includes a photosensitive element, a switching sub-circuit and a charge releasing sub-circuit. The photosensitive element is electrically coupled to the switching sub-circuit and the charge releasing sub-circuit, and is configured to convert a received optical signal into an electrical signal, the switching sub-circuit is configured to output the electrical signal, and the charge releasing sub-circuit is configured to release charges in the photosensitive element after the switching sub-circuit outputs the electrical signal.

公开(公告)号：US20210215973A1

公开(公告)日：2021-07-15

申请号：US16646360

申请日：2019-03-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengpeng WANG ,  Haisheng WANG ,  Xiaoliang DING ,  Yangbing LI ,  Ping ZHANG ,  Likai DENG

IPC: G02F1/13357 ,  G02F1/1333 ,  G02F1/1335

Abstract: The present disclosure relates to a backlight module, a display device, and a method for manufacturing the backlight module. The backlight module includes: a substrate; an optical film layer disposed on one side of the substrate; and at least one photosensitive element disposed on the substrate and configured to sense light from one side of the optical film layer away from the substrate; wherein the optical film layer is provided with a micro-hole array, and an orthographic projection of the micro-hole array on the substrate at least partially overlaps with that of the at least one photosensitive element on the substrate.

公开(公告)号：US20210160409A1

公开(公告)日：2021-05-27

申请号：US16652661

申请日：2019-10-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengpeng WANG ,  Haisheng WANG ,  Xiaoliang DING ,  Yangbing LI ,  Yapeng LI ,  Likai DENG ,  Yuanyuan MA ,  Xueyou CAO ,  Ping ZHANG

IPC: H04N5/225 ,  G02F1/13357 ,  H04N13/254

Abstract: A light source module and a display module are provided. The light source module includes: a substrate; a plurality of first light sources spaced on the substrate, each of the plurality of first light sources being configured to emit visible light; a depth sensor on the substrate; and a first blocking member configured to shield visible light but transmit invisible light. The depth sensor includes a second light source configured to emit invisible light and a light receiving member configured to sense invisible light, an orthographic projection of the second light source on the substrate is located within an orthographic projection of a gap between two adjacent first light sources on the substrate, an orthographic projection of the first blocking member on the substrate at least partially covers the orthographic projection of the second light source on the substrate.

公开(公告)号：US20200175245A1

公开(公告)日：2020-06-04

申请号：US16622557

申请日：2019-05-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang DING ,  Xue DONG ,  Haisheng WANG ,  Yingming LIU ,  Wei LIU ,  Jiabin WANG ,  Yangbing LI ,  Pengpeng WANG ,  Ping ZHANG ,  Likai DENG ,  Bo CHEN

IPC: G06K9/00 ,  H04N5/378

Abstract: The present disclosure provides a fingerprint detection device and method. The fingerprint detection device includes a detection substrate and a signal converter. The detection substrate includes pixels arranged in rows and columns. Each pixel includes a sensing circuit configured to receive an optical signal and output a sensing electrical signal according to the received optical signal. The signal converter includes A/D converters each coupled to one column of sensing circuits. The fingerprint detection device further includes a control circuit coupled to the sensing circuits and the A/D converters and configured to obtain common mode component of sensing electrical signals output by sensing circuits of at least part of the pixels and provide information about the common mode component to the A/D converters. The A/D converter is configured to perform analog-to-digital conversion on difference between the sensing electrical signal from corresponding sensing circuit and the common mode signal.

公开(公告)号：US20190097076A1

公开(公告)日：2019-03-28

申请号：US15971543

申请日：2018-05-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueyou CAO ,  Xue DONG ,  Haisheng WANG ,  Xiaoliang DING ,  Yingming LIU ,  Yanling HAN ,  Yuzhen GUO ,  Pengpeng WANG ,  Chihjen CHENG ,  Ping ZHANG ,  Wei LIU ,  Likai DENG ,  Yangbing LI

IPC: H01L31/112 ,  B81B1/00 ,  B01L3/00

CPC classification number: H01L31/1126 ,  B01L3/5027 ,  B01L3/502715 ,  B01L3/502792 ,  B01L2200/02 ,  B01L2200/0673 ,  B01L2300/0645 ,  B01L2300/0654 ,  B01L2300/0887 ,  B01L2300/165 ,  B01L2400/0427 ,  B81B1/00 ,  B81B2201/058 ,  G01N27/44721 ,  G09G3/344 ,  H01L27/3227 ,  H01L31/112

Abstract: A microfluidic system includes a liquid drop accommodation space, an array of photosensitivity detection circuits and an array of driving circuits between an upper substrate and a lower substrate. Each photosensitivity detection circuit includes a photosensitive transistor and a first gating transistor. The photosensitive transistor has a gate electrode coupled to a first scan signal line, a source electrode coupled to a first power supply voltage signal line, and a drain electrode coupled to a source electrode of the first gating transistor. The first gating transistor has a gate electrode coupled to a second scan signal line, and a drain electrode coupled to a read signal line. Each driving circuit includes a driving transistor and a driving electrode. The driving transistor has a gate electrode coupled to a third scan signal line, a source electrode coupled to a data signal line, and a drain electrode coupled to the driving electrode.

公开(公告)号：US20230093943A1

公开(公告)日：2023-03-30

申请号：US16966581

申请日：2019-08-05

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pengpeng WANG ,  Haisheng WANG ,  Xiaoliang DING ,  Yangbing LI ,  Yapeng LI ,  Ping ZHANG ,  Likai DENG ,  Yubo WANG

IPC: G02F1/13357 ,  G01S17/08 ,  G01S17/89

Abstract: The present disclosure provides a backlight substrate, a manufacturing method thereof, and a display device. The backlight substrate includes: a base substrate; a plurality of first light emitting elements on the base substrate and configured to emit first light; a plurality of second light emitting elements on the base substrate and configured to emit second light having a different wavelength from the first light; a plurality of depth sensors on the base substrate and configured to receive the second light emitted from the plurality of second light emitting elements and reflected by an object and determine depth information of the object based on the received second light; and a diffusion layer in direct contact with light emitting surfaces of the plurality of first light emitting elements and configured to diffuse the first light emitted from the plurality of first light emitting elements.