公开(公告)号：US20210365166A1

公开(公告)日：2021-11-25

申请号：US16333631

申请日：2018-07-04

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ping Zhang ,  Xue Dong ,  Jing Lv ,  Haisheng Wang ,  Xiaoliang Ding ,  Wei Liu ,  Xueyou Cao ,  Pengpeng Wang ,  Yanling Han ,  Chihjen Cheng ,  Pinchao Gu ,  Yunke Qin ,  Yuzhen Guo

IPC: G06F3/041 ,  G06F3/044

Abstract: The disclosure provides a substrate and a sensing method thereof, a touch panel and a display device. The substrate comprises at least two sensing layers, wherein any two of the at least two sensing layers are a first sensing layer and a second sensing layer, respectively; and, the first sensing layer comprises an array of first sensing units, and the second sensing layer comprises an array of second sensing units, any one of the first sensing units within a sensing region is overlapped with more than one of the second sensing units, and any one of the second sensing units within the sensing region is overlapped with more than one of the first sensing units.

公开(公告)号：US11106884B2

公开(公告)日：2021-08-31

申请号：US16643451

申请日：2019-03-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang Ding ,  Xue Dong ,  Haisheng Wang ,  Yingming Liu ,  Chihjen Cheng ,  Yanling Han ,  Xueyou Cao ,  Liguang Deng

IPC: G06K9/00

Abstract: The present disclosure discloses a fingerprint identification component, a fingerprint identification method and a fingerprint identification device. the fingerprint identification component includes an ultrasonic wave transmission circuit and an ultrasonic wave reception circuit, the ultrasonic wave transmission circuit is configured to transmit an ultrasonic wave in a direction towards a fingerprint at an interval of a first time period in a detection phase; the ultrasonic wave reception circuit is configured to, in the detection phase, receive an ultrasonic wave reflected by the fingerprint, convert the ultrasonic wave into an electric signal, and output the electric signal to a signal reading line, in order for an external detection component to determine texture information of the fingerprint according to the electric signal in the signal reading line.

公开(公告)号：US10691911B2

公开(公告)日：2020-06-23

申请号：US15770644

申请日：2017-10-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanling Han ,  Xue Dong ,  Haisheng Wang ,  Chunwei Wu ,  Xiaoliang Ding ,  Yingming Liu ,  Yuzhen Guo ,  Chihjen Cheng ,  Changfeng Li

IPC: G06K9/00 ,  G06F3/041 ,  H01L27/12 ,  G06F3/043 ,  H01L41/047 ,  H01L41/113

Abstract: The present application provides in some embodiments an array substrate, a display panel, a display device and a method for manufacturing the array substrate. The present application provides in some embodiments an array substrate, the array substrate comprising: an ultrasonic emission sensor, a substrate over the ultrasonic emission sensor, a pixel circuit layer over the glass substrate, and an ultrasonic reception sensor over the TFT pixel circuit layer, the ultrasonic reception sensor being electrically connected to the pixel circuit layer, wherein projections of the ultrasonic emission sensor and the ultrasonic reception sensor in a direction perpendicular to the substrate do not overlap with each other.

公开(公告)号：US10573228B2

公开(公告)日：2020-02-25

申请号：US16089857

申请日：2017-10-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G09G3/32 ,  H01L27/15 ,  H01L33/56 ,  G06F3/041 ,  H01L33/38 ,  G09G3/3233 ,  G06F3/0488

Abstract: Provided is a display panel comprising including: a base substrate; a plurality of pixel units, each of which is provided with a light emitting structure, each light emitting structure includes a first electrode, a light emitting layer, and a second electrode sequentially stacked on the base substrate; a plurality of pixel circuits respectively disposed in the pixel units for driving the light emitting structure to emit light; a deforming layer disposed above the second electrodes of the light emitting structures; and one or more heating control circuits respectively disposed in different pixel units and each electrically connected to the second electrode of the light emitting structure in a corresponding pixel unit, the heating control circuit is configured to control the second electrode of the light emitting structure in the corresponding pixel unit to generate heat so that the hardness of the deforming layer above the second electrode changes.

公开(公告)号：US10318788B2

公开(公告)日：2019-06-11

申请号：US15963288

申请日：2018-04-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengpeng Wang ,  Haisheng Wang ,  Xiaoliang Ding ,  Yingming Liu ,  Chihjen Cheng ,  Wei Liu ,  Xueyou Cao ,  Ping Zhang ,  Changfeng Li ,  Yunke Qin

IPC: G06K9/00 ,  G06K9/20 ,  H01L27/146 ,  G06F3/042 ,  G06F3/041

Abstract: A fingerprint identification detection circuit, a touch screen and a display device is disclosed. The fingerprint identification detection circuit can include a photosensitive diode, a first switch transistor, a second switch transistor and a voltage follower transistor, wherein the first switch transistor can include a metal oxide transistor, and the second switch transistor and the voltage follower transistor both can include a low-temperature polycrystalline silicon transistor. There is little current leaking from the first switch transistor by using the metal oxide transistor as the first switch transistor. Even in the case of low light intensity, photocurrent can be detected, which may thereby improve the detection precision of the fingerprint identification detection circuit.

公开(公告)号：US20190087626A1

公开(公告)日：2019-03-21

申请号：US16040516

申请日：2018-07-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G06K9/00 ,  H01L29/423 ,  H01L31/0224 ,  G06F3/03

Abstract: A fingerprint detection circuit is provided, which includes a photosensitive unit, a voltage following transistor, a first switching transistor and a second switching transistor. A gate electrode of the first switching transistor is connected to a first resetting control end, a first electrode thereof is connected to a node, and a second electrode thereof is connected to a second electrode of the voltage following transistor. A gate electrode of the second switching transistor is connected to a scanning signal end, a first electrode thereof is connected to the second electrode of the voltage following transistor, and a second electrode thereof is connected to a first reference voltage end. A gate electrode of the voltage following transistor is connected to the node. A first electrode of the photosensitive unit is connected to a third reference voltage end, and a second electrode thereof is connected to the node.

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：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：US20210327024A1

公开(公告)日：2021-10-21

申请号：US16345975

申请日：2018-06-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pengpeng Wang ,  Haisheng Wang ,  Xiaoliang Ding ,  Chihjen Cheng ,  Yanling Han ,  Ping Zhang

IPC: G06T3/40 ,  G06T7/593 ,  G06T7/80 ,  H04N13/239 ,  H04N13/246

Abstract: The present application provides an image stitching method. The image stitching method includes acquiring a first depth image a present frame of image obtained by a first camera; acquiring a second depth image of the present frame of image obtained by a second camera, the second depth image and the first depth image parlay overlapping with each other; converting the first depth image in a first camera coordinate system defined by the first camera into a third depth image in a second camera coordinate system defined by the second camera; and stitching the third depth image with the second depth image to obtain a stitched image.

公开(公告)号：US10991735B2

公开(公告)日：2021-04-27

申请号：US16454281

申请日：2019-06-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang Ding ,  Xue Dong ,  Haisheng Wang ,  Yingming Liu ,  Chihjen Cheng ,  Pengpeng Wang ,  Yanling Han ,  Wei Liu

IPC: H01L27/146 ,  H04N5/378 ,  H04N5/374 ,  H01L31/14 ,  H04N5/353 ,  H04N5/3745

Abstract: The present disclosure provides an optical detection pixel unit, an optical detection pixel circuit, an optical detection method and a display device. The optical detection pixel unit comprise a photosensitive element and a detection transistor, wherein the photosensitive element has a first electrode connected with a photovoltage terminal, and a second electrode connected with a gate of the detection transistor; the photosensitive element is configured to detect an optical signal under the control of the photovoltage terminal; and the detection transistor has a first electrode connected with a detection voltage line, and a second electrode connected with a reading line.