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：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.

公开(公告)号：US11341766B2

公开(公告)日：2022-05-24

申请号：US16327939

申请日：2018-08-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G06V40/13 ,  H01L27/32 ,  G06V10/145 ,  G06V10/147

Abstract: An optical structure, a display substrate and a display device are provided. The optical structure includes a first medium layer being transparent and an opaque layer which is arranged on the first medium layer and includes a plurality of vias. The optical structure is configured to allow light rays passing through each of the plurality of via to project to a corresponding light ray receiving area respectively.

公开(公告)号：US11301662B2

公开(公告)日：2022-04-12

申请号：US16332221

申请日：2018-06-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G06K9/00 ,  G06F3/044

Abstract: The present disclosure is related to an ultrasonic fingerprint detection assembly. The ultrasonic fingerprint detection assembly may include an ultrasonic fingerprint detection circuit and a living body detection circuit. The living body detection circuit may be configured to carry out living body detection at a rest stage of the ultrasonic fingerprint detection circuit.

公开(公告)号：US11215861B2

公开(公告)日：2022-01-04

申请号：US16317853

申请日：2018-05-11

Applicant: BOE Technology Group Co., Ltd.

Inventor： Lijun Zhao

IPC: G02F1/13 ,  G02F1/1333 ,  G02F1/1362 ,  H01L23/38 ,  H01L27/12 ,  G02F1/1335 ,  G02F1/1368

Abstract: The present disclosure provides a display panel and a method for improving display quality of the display panel. The display panel includes a temperature control apparatus. Specifically, the temperature control apparatus includes a temperature sensor in a non-display area of the display panel for detecting a temperature of the display panel, a change-temperature component in a display area of the display panel for performing a change-temperature treatment on the display panel, and a controller electrically connected to the temperature sensor and the change-temperature component for controlling the change-temperature component to operate according to the temperature of the display panel.

公开(公告)号：US10908445B2

公开(公告)日：2021-02-02

申请号：US15580899

申请日：2017-05-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yingming Liu ,  Xue Dong ,  Jing Lv ,  Haisheng Wang ,  Xiaoliang Ding ,  Chunwei Wu ,  Rui Xu ,  Lijun Zhao ,  Changfeng Li ,  Yanan Jia ,  Yuzhen Guo ,  Pengpeng Wang ,  Wei Liu

IPC: G02F1/1333 ,  G06F3/044 ,  G06K9/00 ,  G06F3/041 ,  G06F3/042

Abstract: The present application belongs to the field of display technology, more particularly, relates to a display component and a display device. The display component comprises a display panel having a plurality of pixel structures. A packaging film is provided above the display panel. In each of the pixel structures, a control element and a photosensitive element connected with the control element are provided above the packaging film. The photosensitive element performs fingerprint identification according to received reflection light reflected by a finger after being emitted by the display panel. The display component implements optical fingerprint identification based on the display panel. By providing the photosensitive elements and respective control elements above the packaging film, accurate fingerprint identification is implemented.

公开(公告)号：US10885881B2

公开(公告)日：2021-01-05

申请号：US16327072

申请日：2018-05-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanan Jia ,  Xue Dong ,  Haisheng Wang ,  Yingming Liu ,  Rui Xu ,  Changfeng Li ,  Yuzhen Guo ,  Lijun Zhao ,  Yanling Han ,  Pinchao Gu ,  Yunke Qin ,  Jing Lv ,  Chun Wei Wu

IPC: G09G3/30 ,  G09G5/38 ,  H01L27/32 ,  H01L51/00 ,  H01L51/52

Abstract: Provided are a flexible display device and a control method thereof. The flexible display device includes: a base substrate; a display component located on the base substrate; a top-layer cover plate, configured to package the display component; a deformation layer, configured to create a deformation to drive the flexible display device to deform; and a control element, located on the base substrate and configured to control a deformation variable of the deformation layer.

公开(公告)号：US10657353B2

公开(公告)日：2020-05-19

申请号：US16027916

申请日：2018-07-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanan Jia ,  Xue Dong ,  Jing Lv ,  Haisheng Wang ,  Chun Wei Wu ,  Yingming Liu ,  Rui Xu ,  Changfeng Li ,  Lijun Zhao ,  Pinchao Gu ,  Yunke Qin ,  Yanling Han ,  Yuzhen Guo ,  Congcong Wei

IPC: G06K9/20 ,  G06K9/00 ,  H01L31/0232 ,  H01L31/0376 ,  H01L31/101 ,  G02F1/133

Abstract: The present disclosure provides a photoelectric sensor, an array substrate, a display panel and a display device. The photoelectric sensor is used for fingerprint recognition, and includes a first electrode layer, being lighttight. The photoelectric sensor further includes a first transparent electrode layer, disposed opposite to the first electrode layer and receiving incident light, and a light sensing layer, located between the first electrode layer and the first transparent electrode layer. The light sensing layer includes a plurality of nanocrystalline silicon particles with different particle sizes.

公开(公告)号：US10564464B2

公开(公告)日：2020-02-18

申请号：US15767357

申请日：2017-09-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Haisheng Wang ,  Yingming Liu ,  Xiaoliang Ding ,  Rui Xu ,  Lijun Zhao ,  Yanan Jia ,  Pinchao Gu ,  Yunke Qin ,  Yuzhen Guo ,  Yanling Han ,  Chun Wei Wu ,  Changfeng Li ,  Xue Dong

IPC: G02F1/1333 ,  G02F1/155 ,  G02F1/1343 ,  G02F1/1335 ,  G02F1/133 ,  G06K9/00 ,  G06F3/042 ,  G02F1/163

Abstract: Disclosed is a display device, including a display panel having a plurality of pixel units, a protection cover plate disposed on a light exit surface of the display panel, and a plurality of light sensing devices for pattern recognition disposed on one side of the pixel unit facing away from the light exit surface, and a light collimating member disposed between the protection cover plate and the plurality of light sensing devices, wherein orthogonal projections of the light sensing device and the pixel unit on the display panel do not overlap each other, and the light collimating member has a light transmitting area above the light sensing device and a light shielding area outside the light transmitting area.

公开(公告)号：US20190354789A1

公开(公告)日：2019-11-21

申请号：US16069156

申请日：2017-12-14

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G06K9/20 ,  G06K9/00

Abstract: The embodiments of the present disclosure disclose a touch panel and a display apparatus. The touch panel includes a display unit comprising a plurality of pixel units; and a fingerprint recognition sensor disposed on one side of the display unit which is opposite to a light emitting surface of the display unit, wherein the display unit further comprises at least one via hole disposed between two adjacent pixel units, and a light divergence member disposed on one side of each via hole which is close to the fingerprint recognition sensor. The light divergence member is configured to irradiate reflected light obtained as light emitted by the pixel units is reflected by a touch body onto the fingerprint recognition sensor.