公开(公告)号：US20240280807A1

公开(公告)日：2024-08-22

申请号：US17781511

申请日：2021-05-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yapeng LI ,  Xuan FENG ,  Lei WANG ,  Ping ZHANG ,  Wenhao TIAN ,  Yangbing LI ,  Chengfu XU ,  Yuanyuan MA

IPC: G02B27/00 ,  G02B27/01 ,  G02B27/09 ,  G02F1/13357 ,  G02F1/1368 ,  G06F3/01 ,  H10K59/121

CPC classification number: G02B27/0093 ,  G02B6/0073 ,  G02B27/0172 ,  G02B27/0955 ,  G02F1/133615 ,  G02F1/13362 ,  G02F1/1368 ,  G06F3/013 ,  H10K59/1213 ,  G02B2027/0118

Abstract: The present disclose provides a wearable display device and a method of determining a gaze position, relating to the field of virtual reality technology. Because the wearable display device has a high efficiency in processing electric signals transmitted by each of photoelectric sensor assemblies, the wearable display device may quickly determine the gaze position of eyes of a user on the display panel based on an electric signal transmitted by each of photoelectric sensor assemblies. In this way, the efficiency of displaying images by the display panel, and thus a higher refresh rate of the display panel is achieved.

公开(公告)号：US20210216739A1

公开(公告)日：2021-07-15

申请号：US16634286

申请日：2019-07-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Changfeng LI ,  Haisheng WANG ,  Lei WANG ,  Yingming LIU ,  Xiaoliang DING ,  Yapeng LI ,  Yuanyuan MA ,  Yawei WANG

IPC: G06K9/00

Abstract: Disclosed herein includes a method, an apparatus, a display device and storage medium storing computer executable instructions for fingerprint recognition. The method may comprise turning on a first subset of a plurality of light sources located on an apparatus, capturing a first fingerprint acquisition frame using a plurality of image sensors on the apparatus, turning on a second subset of the plurality of light sources, and capturing a second fingerprint acquisition frame using the plurality of image sensors. The first fingerprint acquisition frame may include a first set of valid image zones and a first set of invalid image zones. The second fingerprint acquisition frame may include a second set of valid image zones and a second set of invalid image zones. The second set of valid image zones at least partially covers areas of a finger touching interface different from the first set of valid image zones.

公开(公告)号：US20250039563A1

公开(公告)日：2025-01-30

申请号：US18550971

申请日：2023-02-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yapeng LI ,  Xue DONG ,  Lei WANG ,  Yangbing LI ,  Yuanyuan MA ,  Wenhao TIAN ,  Mingdong WANG ,  Xuan FENG

IPC: H04N23/90 ,  G06F3/01 ,  H04N23/611

Abstract: An image acquisition method applied to a first electronic device, and the first electronic device includes N first cameras, N being an integer greater than or equal to 3. The image acquisition method includes: firstly, receiving, by the first electronic device, first position information from a second electronic device, the first position information being position information of eyes of a viewer of the second electronic device; then, selecting, by the first electronic device, K first cameras from the N first cameras based on the first position information, K being an integer greater than or equal to 2 and less than N; then, acquiring, by the first electronic device, images by using the K first cameras.

公开(公告)号：US20220147729A1

公开(公告)日：2022-05-12

申请号：US17489605

申请日：2021-09-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Liang CUI ,  Lei WANG ,  Yangbing LI ,  Yubo WANG ,  Xiufeng LI ,  Yuanyuan MA

IPC: G06K9/00 ,  G06F3/043 ,  G06K9/03

Abstract: The present disclosure provides a fingerprint sensing sub-circuit, a fingerprint sensing circuit, a fingerprint recognition method, a sensor, a touch display panel and a display device. The fingerprint sensing sub-circuit includes an acoustic wave generation circuit and an acoustic wave reception circuit. The acoustic wave generation circuit is configured to generate an ultrasonic wave. The acoustic wave reception circuit is configured to collect a voltage signal, convert the voltage signal into a current signal, and output the current signal to a signal output end. The acoustic wave generation circuit and the acoustic wave reception circuit are separated from each other, so that the fingerprint sensing sub-circuit operates in a mode where a transmitting operation and a receiving operation are separated from each other.

公开(公告)号：US20210192170A1

公开(公告)日：2021-06-24

申请号：US16892233

申请日：2020-06-03

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yuanyuan MA ,  Yapeng LI ,  Xiaoliang DING ,  Haisheng WANG ,  Jiabin WANG ,  Xueyou CAO ,  Pengpeng WANG ,  Wenjuan WANG

IPC: G06K9/00 ,  H01L25/16 ,  H01L25/18

Abstract: A panel for fingerprint identification and a control method thereof, and an apparatus for fingerprint identification. The panel for fingerprint identification includes: a display unit, a control unit, a unit for adjusting light transmittance and a unit for fingerprint identification which are disposed on a backlight side of the display unit, wherein an operating state of the panel for fingerprint identification includes: a display stage and a fingerprint identification stage. At the display stage, the display unit is configured to emit first light to display an image to be displayed, the unit for adjusting light transmittance is configured to transmit light transmitted through the display unit, and the control unit is connected with the unit for adjusting light transmittance and is configured to control the light transmittance of the unit for adjusting light transmittance.

公开(公告)号：US20250159125A1

公开(公告)日：2025-05-15

申请号：US19024861

申请日：2025-01-16

Applicant: Beijing BOE Technology Development Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Feitao HU ,  Yapeng LI ,  Yuanyuan MA ,  Yangbing LI ,  Lei WANG ,  Chengming TAN

IPC: H04N13/243 ,  G02F1/13357 ,  H04N13/15 ,  H04N13/254 ,  H04N13/257 ,  H04N13/279

Abstract: The present disclosure relates to a display device, an image processing method and device, an electronic device, and a storage medium. The method includes: identifying a viewpoint area on a LCD screen of a user, where a backlight source of the LCD screen is arranged with infrared light sources in at least one zone; calling a combination of cameras corresponding to the viewpoint area to acquire images, where the combination of camera includes a color camera and/or a multispectral infrared camera, and the acquired images include at least one frame of color image acquired by each camera; calling a respective method according to the number of directions of the infrared light sources to reconstruct a normal vector, so as to perform a three-dimensional reconstruction of an object according to the normal vector. This solution can achieve a high-precision three-dimensional reconstruction of an object.

公开(公告)号：US20220201227A1

公开(公告)日：2022-06-23

申请号：US17358262

申请日：2021-06-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wenjuan WANG ,  Lei WANG ,  Yapeng LI ,  Yuanyuan MA ,  Yubo WANG

IPC: H04N5/355 ,  G06K9/00 ,  H04N5/3745 ,  H04N5/369

Abstract: An image acquisition structure includes a dimming layer, a processing circuit, a plurality of reference circuits and a plurality of image acquisition circuits. The reference circuit includes a first photosensor. The dimming layer is provided on a light incident side of the first photosensor, and covers at least the first photosensor of the reference circuit. An input terminal of the processing circuit is electrically connected to an output terminal of the reference circuit. Input terminals of the plurality of image acquisition circuits are electrically connected to an output terminal of the processing circuit.

公开(公告)号：US20240430401A1

公开(公告)日：2024-12-26

申请号：US18029367

申请日：2022-04-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Mingdong WANG ,  Yapeng LI ,  Yangbing LI ,  Xuan FENG ,  Yuanyuan MA ,  Fangyuan ZHAO

IPC: H04N13/383 ,  H04N23/957

Abstract: The present disclosure discloses a method and system for transmitting light field data and a light field communication apparatus, wherein the light field communication apparatus can process first light field data acquired by at least one target camera corresponding to a first gaze point location and transmit the first light field data to the light field display apparatus based on the first gaze point location fed back by the light field display apparatus. The light field display apparatus may in turn perform light field display based on the first light field data on the light field display screen thereof.

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：US20240268788A1

公开(公告)日：2024-08-15

申请号：US18646703

申请日：2024-04-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yonggang CAO ,  Xue DONG ,  Lei WANG ,  Yue GOU ,  Yuanyuan MA ,  Yue TONG ,  Yangbing LI ,  Yanling HAN ,  Wanzhi CHEN

IPC: A61B8/00 ,  B06B1/02 ,  B06B1/06 ,  H10N39/00

CPC classification number: A61B8/4488 ,  A61B8/54 ,  B06B1/0276 ,  B06B1/0611 ,  B06B1/064 ,  H10N39/00 ,  B06B2201/76

Abstract: Disclosed are an ultrasonic probe, an ultrasonic apparatus and a detection method. The ultrasonic probe includes: multiple transmitting transducers; multiple receiving transducers, each receiving transducer includes a receiving component and an ultrasonic control circuit electrically connected with the receiving component, and the multiple receiving components are distributed in an array; and multiple scanning signal lines and multiple readout signal lines, each of the scanning signal lines is located in a row gap between adjacent receiving components, each of the readout signal lines is located in a column gap between adjacent receiving components, multiple receiving components in the same row are electrically connected with the same scanning signal line by means of corresponding ultrasonic control circuits, and multiple receiving components in the same column are electrically connected with the same readout signal line by means of corresponding ultrasonic control circuits.