公开(公告)号：US12035603B2

公开(公告)日：2024-07-09

申请号：US17419403

申请日：2020-02-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lei Wang ,  Haisheng Wang ,  Yingming Liu ,  Peng Jia

IPC: G06V40/13 ,  H10K59/122 ,  H10K59/124 ,  H10K59/126 ,  H10K59/60 ,  H10K59/65

CPC classification number: H10K59/60 ,  G06V40/1318 ,  H10K59/122 ,  H10K59/124 ,  H10K59/126 ,  H10K59/65

Abstract: A display panel and a display device are provided. The display panel includes: a substrate; a driving circuit layer including a plurality of first thin film transistors and a second thin film transistor located on the substrate, wherein the second thin film transistor is located between adjacent first thin film transistors; a plurality of light-emitting elements located on one side of the driving circuit layer away from the substrate, and electrically connected to the plurality of first thin film transistors respectively; a photosensitive element located between adjacent light-emitting elements and electrically connected to the second thin film transistor; and a photoresist element located on an optical path of ambient light transmitted to a thin film transistor channel of the second thin film transistor within the display panel, so as to reduce ambient light transmitted to a thin film transistor channel of the second thin film transistor.

公开(公告)号：US12017219B2

公开(公告)日：2024-06-25

申请号：US17726119

申请日：2022-04-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yingming Liu ,  Xue Dong ,  Haisheng Wang ,  Xiaochuan Chen ,  Xiaoliang Ding ,  Lei Wang ,  Changfeng Li ,  Pinchao Gu

IPC: B01L3/00

CPC classification number: B01L3/50273 ,  B01L2300/0645 ,  B01L2400/0415

Abstract: The present disclosure provides a micro-fluidic substrate, a micro-fluidic structure and a driving method thereof. The micro-fluidic substrate of the preset disclosure includes a substrate, and a plurality of driving electrodes on the substrate and configured to drive a droplet to move, the plurality of driving electrodes being in a same layer with a gap space between adjacent driving electrodes. The micro-fluidic substrate further includes: at least one auxiliary electrode on the substrate and configured to drive the droplet to move, an orthographic projection of the auxiliary electrode on the substrate at least partially overlapping with an orthographic projection of the gap space on the substrate, and the auxiliary electrode and the driving electrodes being in different layers.

公开(公告)号：US11861931B2

公开(公告)日：2024-01-02

申请号：US17414372

申请日：2020-06-02

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yingming Liu ,  Haisheng Wang ,  Xiaoliang Ding ,  Lei Wang ,  Changfeng Li

IPC: G06K9/00 ,  G06V40/13 ,  B06B1/06 ,  H10K59/65 ,  H10N30/045 ,  H10N30/077 ,  H10N30/857

CPC classification number: G06V40/1318 ,  B06B1/0692 ,  H10K59/65 ,  H10N30/045 ,  H10N30/077 ,  H10N30/857 ,  B06B2201/70

Abstract: A piezoelectric sensor, a manufacturing method thereof and an electronic device are provided. The piezoelectric sensor includes a substrate, an active layer, the active layer being disposed at a side of the substrate: a first electrode, the first electrode being disposed at a side of the active laver a wav from the substrate, and the first electrode including a plurality of sub-electrodes disposed at intervals: a piezoelectric layer, the piezoelectric layer being disposed at a side of the first electrode away from the active layer; and a second electrode, the second electrode being disposed at a side of the piezoelectric layer away from the first electrode. The active layer is configured to be capable of switching between an insulating state and a conducting state, and in the conducting state the active layer is capable of conducting the plurality of sub-electrodes.

公开(公告)号：US11756330B2

公开(公告)日：2023-09-12

申请号：US17745101

申请日：2022-05-16

Applicant: BOE Technology Group Co., Ltd.

Inventor： Changfeng Li ,  Haisheng Wang ,  Xiaochuan Chen ,  Lei Wang ,  Yingming Liu ,  Xueyou Cao ,  Yunke Qin

IPC: G06K9/00 ,  G06V40/13 ,  G06V10/145 ,  G06F3/044 ,  G06F3/041 ,  G06V10/141 ,  H10K59/131

CPC classification number: G06V40/1318 ,  G06F3/0412 ,  G06F3/0446 ,  G06V10/141 ,  G06V10/145 ,  H10K59/131

Abstract: A biometric sensor configured to detect a biometric information is provided. The biometric sensor includes a light emitting layer and a touch detection layer; an encapsulating cover on the light emitting layer; a photo-sensing layer configured to detect at least a portion of a light totally reflected by a surface of the biometric sensor in touch with a skin of a user; a touch sensing circuit configured to determine a touch position of a touch; a processor configured to determine a scanning region based on the touch position, and configured to control the light emitting layer to form a scanning light source to scan the scanning region in a scanning pattern; and a biometric information analysis circuit configured to determine a light intensity distribution of a reflected light reflected by the surface of the biometric sensor, and configured to determine the biometric information based on the light intensity distribution.

公开(公告)号：US11668862B2

公开(公告)日：2023-06-06

申请号：US16767254

申请日：2019-08-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoquan Hai ,  Xue Dong ,  Haisheng Wang ,  Lei Wang ,  Yingzi Wang ,  Xiandong Meng

IPC: G02B5/00 ,  G02B27/09 ,  G02B27/30 ,  G02F1/1333 ,  G02F1/1335 ,  H01L27/32 ,  H04N23/55 ,  G06V40/13

CPC classification number: G02B5/005 ,  G02B27/0961 ,  G02B27/0988 ,  G02B27/30 ,  G02F1/13338 ,  G02F1/133526 ,  G06V40/1318 ,  H01L27/3234 ,  H04N23/55

Abstract: A texture image acquiring device, a display device and a collimator are disclosed. The texture image acquiring device includes a collimator and an image sensor. The collimator includes a lens array, a first diaphragm layer, and a second diaphragm layer. The lens array allows light rays to be converged and incident on the first diaphragm layer. The first diaphragm layer allows light rays incident on the first diaphragm layer to pass through and be incident on the second diaphragm layer, and restricts an angle of light rays capable of passing through the first diaphragm layer. The second diaphragm layer allows light rays incident on the second diaphragm layer to pass through, and restricts an angle of light rays capable of passing through the second diaphragm layer. The image sensor senses light rays incident on the image sensor for acquiring a texture image.

公开(公告)号：US11519786B2

公开(公告)日：2022-12-06

申请号：US16120642

申请日：2018-09-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengpeng Wang ,  Xue Dong ,  Haisheng Wang ,  Chunwei Wu ,  Xiaoliang Ding ,  Chihjen Cheng ,  Yanling Han ,  Wei Liu ,  Xueyou Cao ,  Ping Zhang ,  Lijun Zhao

IPC: G01K1/02 ,  H02H1/00 ,  H03K5/24 ,  H02H9/04 ,  G01K7/32

Abstract: The present disclosure provides a temperature detection circuit. The temperature detection circuit includes: a first comparator, the first comparator having a first negative input terminal, a first positive input terminal and a first output terminal, the first negative input terminal being connected with an output terminal of a temperature sensor, the first positive input terminal being connected with a first reference voltage terminal; a monostable trigger, an input terminal of the monostable trigger being connected with the first output terminal of the first comparator; a low pass filter, an input terminal of the low pass filter being connected with an output terminal of the monostable trigger. The present disclosure further provides a temperature sensor device and a display device.

公开(公告)号：US20220270393A1

公开(公告)日：2022-08-25

申请号：US17745101

申请日：2022-05-16

Applicant: BOE Technology Group Co., Ltd.

Inventor： Changfeng Li ,  Haisheng Wang ,  Xiaochuan Chen ,  Lei Wang ,  Yingming Liu ,  Xueyou Cao ,  Yunke Qin

IPC: G06V40/13 ,  H01L27/32 ,  G06V10/141 ,  G06F3/044 ,  G06F3/041 ,  G06V10/145

Abstract: A biometric sensor configured to detect a biometric information is provided. The biometric sensor includes a light emitting layer and a touch detection layer; an encapsulating cover on the light emitting layer; a photo-sensing layer configured to detect at least a portion of a light totally reflected by a surface of the biometric sensor in touch with a skin of a user; a touch sensing circuit configured to determine a touch position of a touch; a processor configured to determine a scanning region based on the touch position, and configured to control the light emitting layer to form a scanning light source to scan the scanning region in a scanning pattern; and a biometric information analysis circuit configured to determine a light intensity distribution of a reflected light reflected by the surface of the biometric sensor, and configured to determine the biometric information based on the light intensity distribution.

公开(公告)号：US11410452B2

公开(公告)日：2022-08-09

申请号：US16766826

申请日：2019-05-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoquan Hai ,  Haisheng Wang ,  Lei Wang ,  Xue Dong

IPC: G06V40/13 ,  H04N9/04 ,  G02F1/1335 ,  G06F3/041 ,  G09G3/34 ,  G09G3/36

Abstract: A texture recognition device and a manufacturing method of the texture recognition device, a color filter substrate and a manufacturing method of the color filter substrate are provided. The texture recognition device has a touch side, and includes: a light source array, a light valve structure and an image sensor array. The light valve structure includes a first substrate, a second substrate, and a light adjustment layer, and is configured to control a first region to be in a light transmission state in response to a control signal, so as to allow light emitted from the light source array to pass through the first region in the light transmission state to form a first photosensitive light source. The second substrate of the light valve structure is closer to the touch side than the first substrate, and the image sensor array is on the second substrate.

公开(公告)号：US11386692B2

公开(公告)日：2022-07-12

申请号：US16764951

申请日：2019-11-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G02F1/1335 ,  G06V40/13 ,  G02F1/1333

Abstract: A display panel has a light-exit side and a non-light-exit side opposite to the light-exit side. A direction pointing to the non-light-exit side from the light-exit side is a first direction. In the first direction, the display panel includes a coded aperture mask layer and an optical sensing layer. The coded aperture mask layer includes a plurality of first light-transmission portions and a plurality of first light-shielding portions. The coded aperture mask layer is configured to form at least one part of a coded aperture array. The optical sensing layer includes a plurality of optical sensors. The optical sensing layer is configured to receive texture recognition light passed through the coded aperture array and convert optical signals of the texture recognition light into electrical signals. The texture recognition light is light carrying information about a texture to be recognized.

公开(公告)号：US11373386B2

公开(公告)日：2022-06-28

申请号：US16343768

申请日：2018-08-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pinchao Gu ,  Haisheng Wang ,  Chunwei Wu ,  Yingming Liu ,  Rui Xu ,  Changfeng Li ,  Lijun Zhao ,  Yanan Jia ,  Yuzhen Guo ,  Yunke Qin

IPC: G06K9/20 ,  G06K9/00 ,  H01L27/32 ,  G06V10/147 ,  G06V10/145 ,  G06V40/13 ,  G06V40/16

Abstract: A device for identifying a pattern over a first surface includes a photosensitive layer, and a light-guiding layer disposed between the photosensitive layer and the first surface. The photosensitive layer includes a plurality of photosensitive elements, each configured to convert incident light into an electrical signal. The light-guiding layer includes a plurality of light-guiding units, each positionally corresponding to one of the plurality of photosensitive elements. Each light-guiding unit includes a plurality of light-transmitting portions, each configured to guide a light beam reflected from a feature of the pattern positionally corresponding thereto to transmit therethrough and reach one of the plurality of photosensitive elements corresponding to the each of the plurality of light-guiding units. The device can be used for identification of fingerprint, as well as other biometric or non-biometric features, and has a reduced thickness and an improved accuracy for pattern identification.