公开(公告)号：US11950484B2

公开(公告)日：2024-04-02

申请号：US17280366

申请日：2020-07-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengpeng Wang ,  Haisheng Wang ,  Xiaoliang Ding ,  Yangbing Li ,  Xueyou Cao ,  Ping Zhang ,  Likai Deng ,  Yubo Wang

IPC: H10K59/65 ,  G09F9/30 ,  H04N5/33 ,  H04N23/54 ,  G02F1/1333

CPC classification number: H10K59/65 ,  G09F9/30 ,  H04N5/33 ,  H04N23/54 ,  G02F1/1333 ,  G02F2201/083 ,  G02F2201/58

Abstract: A display panel includes a display layer, a photosensitive layer and an infrared mask. The display layer is configured to display an image, the display layer has light-transmitting portions, and the light-transmitting portions are configured to transmit infrared light. The photosensitive layer is disposed on a side of the display layer. The infrared mask is disposed on a side of the photosensitive layer proximate to the display layer, the infrared mask has hollowed-out regions, the hollowed-out regions are configured to make the infrared mask have a preset pattern, and a region in the infrared mask except the hollowed-out regions is configured to prevent transmission of the infrared light. The photosensitive layer is configured to receive infrared light passing though the hollowed-out regions and the light-transmitting portions, and convert the infrared light into an image signal.

公开(公告)号：US11620848B2

公开(公告)日：2023-04-04

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: H03K17/96 ,  G06V40/13 ,  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：US11361578B2

公开(公告)日：2022-06-14

申请号：US16495034

申请日：2019-03-04

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 ,  G06F3/044 ,  G06V10/141 ,  G06V10/145 ,  G06F3/041 ,  H01L27/32 ,  H01L51/52 ,  G06V40/12

Abstract: A method for detecting a biometric information includes providing a biometric sensor including a base substrate, a light emitting layer and a touch detection layer on the base substrate, an encapsulating cover on a side of the light emitting layer away from the base substrate, and a photo-sensing layer between the light emitting layer and the base substrate; determining a touch position of a touch by a touch sensing circuit; determining a scanning region based on the touch position; controlling the light emitting layer to form a scanning light source to scan the scanning region in a scanning pattern, the scanning region encompassing the touch position; determining a light intensity distribution of a reflected light reflected by the surface of the biometric sensor in touch with the skin of the user based on signals from the plurality of photosensors; and determining the biometric information based on the light intensity distribution.

公开(公告)号：US11281325B2

公开(公告)日：2022-03-22

申请号：US16303961

申请日：2018-04-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueyou Cao ,  Haisheng Wang ,  Xiaoliang Ding ,  Chihjen Cheng ,  Yuzhen Guo ,  Yanling Han ,  Wei Liu ,  Pengpeng Wang ,  Ping Zhang

IPC: G09G3/32 ,  G06F3/041

Abstract: Provided is a touch circuit including first and second voltage input terminals, a pressure sensing circuit and an output circuit, the first voltage input terminal is configured to input a first voltage signal, the second voltage input terminal is configured to input a second voltage signal, the first voltage signal is different from the second voltage signal, an input terminal of the pressure sensing circuit is coupled to the first voltage input terminal, an output terminal of the pressure sensing circuit is coupled to an input terminal of the output circuit, a control terminal of the output circuit is configured to receive a control signal, and the output circuit is configured to control on/off state between the input terminal of the output circuit and the output terminal of the output circuit according to the control signal. A touch panel, a display panel and a display device are also provided.

公开(公告)号：US11222590B2

公开(公告)日：2022-01-11

申请号：US16346358

申请日：2018-10-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wei Liu ,  Xue Dong ,  Haisheng Wang ,  Xiaoliang Ding ,  Yingming Liu ,  ChihJen Cheng ,  Xueyou Cao ,  Yanling Han ,  Changfeng Li ,  Pengpeng Wang ,  Ping Zhang ,  Rui Xu

IPC: G09G3/3258 ,  H01L27/32 ,  G09G3/3233

Abstract: An electrical signal detection module includes a photoelectrical signal application circuitry, an operational amplifier, a gain control circuitry and a master control circuitry. The gain control circuitry includes at least two gain control sub-circuitries connected in parallel to each other, and a discharge switching sub-circuitry connected in parallel to the gain control sub-circuitries. Each gain control sub-circuitry includes a gain switching sub-circuitry and a gain capacitive sub-circuitry connected in series to each other. The master control circuitry is configured to apply a discharge switching signal to the discharge switching sub-circuitry, and apply a gain switching control signal to the corresponding gain switching sub-circuitry. The gain switching sub-circuitry is configured to control a first end and a second end of the gain switching sub-circuitry to be electrically connected to each other in accordance with the gain switching control signal. The discharge switching sub-circuitry is configured to enable a first end of the gain capacitive sub-circuitry connected to the gain switching sub-circuitry to be electrically connected to, or electrically disconnected from, a second end of the gain capacitive sub-circuitry in accordance with the discharge switching signal.

公开(公告)号：US20210365144A1

公开(公告)日：2021-11-25

申请号：US16496915

申请日：2019-04-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang Ding ,  Xue Dong ,  Haisheng Wang ,  Yingming Liu ,  Lei Wang ,  Yangbing Li ,  Jiabin Wang ,  Xueyou Cao

IPC: G06F3/042 ,  G06F3/041

Abstract: The present disclosure discloses a pixel detecting circuit, a method for driving the same, and a touch display panel. The pixel detecting circuit includes: a plurality of pixel detecting modules arranged in an array; and at least one reading line, wherein each of the reading line is connected to a group of pixel detecting modules, and each group of pixel detecting modules comprises at least two columns of pixel detecting modules; wherein a number of pixel detecting modules included in each group of pixel detecting modules are respectively connected to different control signal terminals, and configured to transmit, under driving of control signals outputted from the different control signal terminals, electrical signals to the connected reading line in any one of a time dividing manner and a frequency dividing manner.

公开(公告)号：US20210357606A1

公开(公告)日：2021-11-18

申请号：US16344579

申请日：2018-11-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueyou Cao ,  Rui Xu ,  Lei Wang ,  Haisheng Wang ,  Xiaoliang Ding ,  Changfeng Li ,  Wei Liu

IPC: G06K9/00 ,  G06K9/20 ,  H01L27/146 ,  H01L27/32

Abstract: A fingerprint identification sensor may include a substrate (100), at least a photosensitive element (200) above the substrate (100), and at least a light source assembly (300). The light source assembly (300) may include a point light source (310) and a diffusing structure (320). The diffusing structure (320) may be configured to reduce intensity of light received by the photosensitive element (200) from a center region of the point light source (310).

公开(公告)号：US11137829B2

公开(公告)日：2021-10-05

申请号：US16099109

申请日：2018-03-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanling Han ,  Xue Dong ,  Jing Lv ,  Haisheng Wang ,  Chunwei Wu ,  Xiaoliang Ding ,  Pengpeng Wang ,  Xueyou Cao ,  ChihJen Cheng ,  Wei Liu ,  Ping Zhang

IPC: G06F3/01 ,  G06F3/041 ,  G06F3/044

Abstract: The present disclosure discloses a drive method for driving a touch apparatus. The touch apparatus includes a plurality of touch electrodes. In the drive method, a touch detection signal is applied to the plurality of touch electrodes within a first time interval. A tactile feedback signal is applied to the plurality of touch electrodes within a second time interval. The first time interval and the second time interval are alternated but not overlapped. The present disclosure further discloses a touch apparatus and a touch display apparatus.

公开(公告)号：US20210294421A1

公开(公告)日：2021-09-23

申请号：US16346943

申请日：2018-08-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pengpeng Wang ,  Haisheng Wang ,  Xiaoliang Ding ,  Xueyou Cao ,  Ping Zhang ,  Wei Liu ,  Likai Deng

IPC: G06F3/01 ,  G06K9/00 ,  H04N13/204

Abstract: The present disclosure relates to a gesture recognition apparatus. The gesture recognition apparatus may include a gesture processor and a plurality of depth cameras connecting to the gesture processor. Each of the plurality of the depth cameras may include a controller and a collector. The controller may be configured to generate and transmit an acquisition signal to the collector in response to a trigger signal. The collector may be configured to receive the acquisition signal and perform au image acquisition process in response to the acquisition signal.

公开(公告)号：US20210234114A1

公开(公告)日：2021-07-29

申请号：US16762279

申请日：2019-12-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H01L51/50 ,  H01L51/52 ,  H01L27/32

Abstract: The embodiments of the present disclosure relates to an electroluminescent display panel. The electroluminescent display panel may include an array substrate; a package cover opposite the array substrate; a plurality of electroluminescent components on a side of the array substrate facing the package cover; a plurality of photosensitive units; and a mask layer between the plurality of electroluminescent components and the package cover. Each of the plurality of photosensitive units may be between two adjacent electroluminescent components, and the photosensitive units may be configured to sense light in a non-visible light spectrum.