公开(公告)号：US20220271104A1

公开(公告)日：2022-08-25

申请号：US17628829

申请日：2021-02-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang DING ,  Haisheng WANG ,  Yingming LIU ,  Yunke QIN ,  Yangbing LI ,  Lei WANG ,  Wenjuan WANG ,  Fangyuan ZHAO ,  Ping ZHANG

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: A display panel includes a display substrate. The display substrate includes: a base substrate; a display structure layer including a plurality of pixel circuits and a plurality of light-emitting devices on the base substrate; and a light detection layer located at a non-light exit side of the light-emitting devices. A pixel circuit in the plurality of pixel circuits is electrically connected to a respective light-emitting device to drive the light-emitting device to emit light. The light detection layer is configured to detect a luminous intensity of at least one light-emitting device. The display substrate further includes: a transparent cover plate at a light exit side of the light-emitting devices; and a polarizer and a first quarter-wave plate between the display substrate and the transparent cover plate. The polarizer is closer to the display substrate than the first quarter-wave plate.

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：US20210056278A1

公开(公告)日：2021-02-25

申请号：US16839211

申请日：2020-04-03

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pengpeng WANG ,  Haisheng WANG ,  Xiaoliang DING ,  Yingming LIU ,  Yangbing LI ,  Yu bo WANG

IPC: G06K9/00 ,  H03K17/687

Abstract: An ultrasonic recognition module, a driving method thereof, and a display device. Multiple receiving electrodes are divided into multiple receiving groups. Pulse signal input ends of driving circuits corresponding to the receiving electrodes in the same receiving group are electrically connected to a same pulse signal input line, and pulse signal input ends of driving circuits corresponding to the receiving electrodes in the different receiving groups are electrically connected to different pulse signal input lines.

公开(公告)号：US20210018983A1

公开(公告)日：2021-01-21

申请号：US16910681

申请日：2020-06-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiabin WANG ,  Xiaoliang DING ,  Yangbing LI

IPC: G06F3/01 ,  B06B1/06 ,  G06F3/041

Abstract: A display panel is disclosed. The display panel includes a back plate, a plurality of pixel units formed on the back plate, and a plurality of deformation units for providing haptic feedback. Each deformation unit is on one or more corresponding pixel units of the plurality of pixel units, and when being applied a drive voltage, undergoes a deformation corresponding to a haptic feature of a visual object displayed by the corresponding pixel units. Thereby, there is provided a display panel with haptic feedback, which is simple in structure and easy to implement.

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.