公开(公告)号：US11648552B2

公开(公告)日：2023-05-16

申请号：US16291503

申请日：2019-03-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ping Zhang ,  Haisheng Wang ,  Xiaoliang Ding ,  Wei Liu ,  Xueyou Cao ,  Pengpeng Wang ,  Yanling Han ,  Jiabin Wang ,  Yangbing Li ,  ChihJen Cheng ,  Likai Deng

IPC: B01L3/00

CPC classification number: B01L3/50273 ,  B01L2300/0645 ,  B01L2300/0887 ,  B01L2300/165 ,  B01L2400/0439

Abstract: The present disclosure provides a microfluidic device, a driving method thereof and a microfluidic system. The microfluidic device includes a first substrate and a second substrate disposed opposite to each other, and a microcavity provided between the first and second substrates for accommodating droplets. The microfluidic device further includes at least one ultrasonic layer provided between the first and second substrates. The at least one ultrasonic layer includes a plurality of ultrasonic sensors configured to perform at least one of detection operation and driving operation to the droplets accommodated in the microcavity.

公开(公告)号：US11637149B2

公开(公告)日：2023-04-25

申请号：US16639282

申请日：2019-07-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang Ding ,  Xue Dong ,  Haisheng Wang ,  Yingming Liu ,  Pengpeng Wang ,  Yangbing Li ,  Jiabin Wang ,  Ping Zhang ,  Likai Deng

IPC: G01C3/08 ,  H01L27/32 ,  H01L51/52 ,  G01S17/26

Abstract: Embodiments of the present disclosure provide an array substrate, a display device and a spatial positioning method of a display device. The display device includes a base substrate, a pixel layer arranged at a side of the base substrate, a light source structure having a same light exit direction as the pixel layer, a processing element. The light source structure emits collimation invisible light, the pixel layer includes a plurality of sub-pixels and at least one sensing pixel arranged between the sub-pixels, the at least one sensing pixel receives reflected light of the collimation invisible light emitted by the light source structure and reflected by an object to be positioned, the processing element is coupled with the sensing pixel and the light source structure, a distance from the object to the display device is calculated according to relevant data information of the collimation invisible light and the reflected light.

公开(公告)号：US11338284B2

公开(公告)日：2022-05-24

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 ,  G01N27/48

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：US11333947B2

公开(公告)日：2022-05-17

申请号：US16475124

申请日：2018-12-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengpeng Wang ,  Xiaoliang Ding ,  Yangbing Li ,  Jiabin Wang ,  Ping Zhang ,  Likai Deng ,  Yanling Han

IPC: G02F1/137 ,  H04N5/225 ,  G02F1/1676 ,  G02F1/1343 ,  G02F1/155 ,  G02F1/167

Abstract: A display panel capable of capturing an image of an object over a light-entering surface thereof includes a displaying array, a light valve array, and an imaging array, which are sequentially below the light-entering surface. The light valve array includes a plurality of light valve portions and can form a plurality of first mask patterns, and at least two first mask patterns are configured to be different. The displaying array includes a plurality of displaying pixels and can form a second mask pattern. The imaging array includes a plurality of imaging pixels and can generate an intermediate image upon receiving lights from the object and transmitting through the second mask pattern in the displaying array and at least one of the plurality of first mask patterns in the light valve array. The image of the object can then be deduced from the intermediate image.

公开(公告)号：US11263995B2

公开(公告)日：2022-03-01

申请号：US16652797

申请日：2019-03-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yangbing Li ,  Pengpeng Wang ,  Xiaoliang Ding ,  Jiabin Wang ,  Yapeng Li ,  Likai Deng

IPC: G09G5/10 ,  G02F1/1333 ,  H01L27/32 ,  H04N5/33

Abstract: A display device, an electronic equipment, and a method for driving a display device are disclosed. The display device includes a first light source group, a second light source group, a first image sensor group, and a second image sensor group. The first light source group is configured to emit light of a first determined frequency to illuminate a first partial region of a detection object, the second light source group is configured to emit light of a second determined frequency to illuminate a second partial region of the detection object, the first image sensor group is configured to receive the light of the first determined frequency emitted by the first light source group and reflected by the detection object, and the second image sensor group is configured to receive the light of the second determined frequency emitted by the second light source group and reflected by the detection object.

公开(公告)号：US11258933B2

公开(公告)日：2022-02-22

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 ,  H04N13/254 ,  G02F1/13357

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：US20210279439A1

公开(公告)日：2021-09-09

申请号：US17156695

申请日：2021-01-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yapeng Li ,  Haisheng Wang ,  Xiaoliang Ding ,  Xueyou Cao ,  Yangbing Li ,  Yuanyuan Ma ,  Wenjuan Wang ,  Jiabin Wang

IPC: G06K9/00 ,  G06F3/042

Abstract: A method for imaging a fingerprint under a screen, including: acquiring a finger pressing area formed by a finger pressing on the screen; determining a first light source and a second light source of the screen based on the finger pressing area, wherein arrangement directions of the first light source and the second light source are not perpendicular to a long axis of the finger pressing area; acquiring a first fingerprint image after the first light source is turned on, and a second fingerprint image after the second light source is turned on; and splicing the first fingerprint image and the second fingerprint image to acquire a target fingerprint image.

公开(公告)号：US11112871B2

公开(公告)日：2021-09-07

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：US12288420B2

公开(公告)日：2025-04-29

申请号：US17532670

申请日：2021-11-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yubo Wang ,  Lei Wang ,  Yangbing Li ,  Liang Cui ,  Yuanyuan Ma ,  Ping Zhang ,  Yanling Han

IPC: B06B1/06 ,  B06B1/02 ,  G06F18/214 ,  G06V10/40 ,  G06V40/13 ,  G06V40/20 ,  G09G3/3208 ,  H10K59/122 ,  H10K59/65 ,  H10K71/00 ,  H10K59/12 ,  H10N39/00

Abstract: A display device, a method for producing a display device, and a gesture recognition method are disclosed. The display device includes a display module including a base and an array substrate, a resin layer, a first electrode layer, a pixel definition layer, a light-emitting unit layer, a second electrode layer disposed opposite to the first electrode layer, and an encapsulation layer. The light-emitting unit layer is between the first electrode layer and the second electrode layer and includes a plurality of light-emitting units respectively in a plurality of openings of the pixel definition layer, and an ultrasonic sensor including the second electrode layer, a piezoelectric material layer between the first electrode layer and the pixel definition layer, and a third electrode layer between the pixel definition layer and the resin layer. The piezoelectric material layer includes a plurality of piezoelectric material units separated by the plurality of light-emitting units.

公开(公告)号：US20250071501A1

公开(公告)日：2025-02-27

申请号：US18771206

申请日：2024-07-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yapeng Li ,  Yangbing Li ,  Fangyuan Zhao ,  Yaqian Ji ,  Hao Zhang

IPC: H04S7/00

Abstract: An audio device and working method thereof, and a VR device are provided, and pertain to the field of space audio technologies. The audio device includes: a sound chamber; at least one speaker located within the sound chamber; an acquisition unit, configured to respectively obtain audio data and a target ear spectral curve HRTF at a position of a virtual sound source corresponding to the audio data; a computing unit, configured to process the audio data based on the target HRTF, generate a target sound signal, and output the target sound signal to the speaker. The technical solutions of the present disclosure can simulate three-dimensional sound production in space and create a sense of spatial immersion.