公开(公告)号：US11308308B2

公开(公告)日：2022-04-19

申请号：US16494938

申请日：2019-04-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiandong Meng ,  Wei Wang ,  Xiaochuan Chen ,  Haisheng Wang ,  Pinchao Gu ,  Jian Gao

IPC: G06K9/00 ,  H01L27/32

Abstract: A fingerprint recognition device, a recognition device and a display device are provided to include: a light guiding layer and a plurality of recognizer units, on a side of a light transmission substrate. Each recognizer unit includes: a first optical grating which is between the light guiding layer and the light transmission substrate and is configured to diffractively couple a fingerprint light ray having an incident angle within a preset angle range to the light guiding layer; a second optical grating on a side of the light guiding layer; and a detector module on a side of the second optical grating away from the light guiding layer. The second optical grating is configured to extract the fingerprint light ray in the light guiding layer to the detector module, and the detector module is configured to detect a light intensity of the fingerprint light ray.

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：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：US10559632B2

公开(公告)日：2020-02-11

申请号：US15937250

申请日：2018-03-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Rui Xu ,  Xue Dong ,  Haisheng Wang ,  Yingming Liu ,  Changfeng Li ,  Pinchao Gu

IPC: G06K9/00 ,  H01L27/32 ,  H01L27/28 ,  H01L27/30

Abstract: The present disclosure provides a display substrate, a method for manufacturing the same and a display device. The display substrate includes a base substrate; light-emitting devices for displaying on the base substrate; driver thin film transistors on the base substrate for driving the light-emitting devices for displaying to emit light; optical fingerprint identification devices on the base substrate; and switch thin film transistors on the base substrate for controlling the optical fingerprint identification devices. The optical fingerprint identification devices are in a display area of the display substrate. Each film layer of each driver thin film transistor and a corresponding same film layer of each switch thin film transistor are in an identical layer and are made of the same material.

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.

公开(公告)号：US10338420B2

公开(公告)日：2019-07-02

申请号：US15718340

申请日：2017-09-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G06F3/041 ,  G09G3/36 ,  G02F1/133 ,  G02F1/1368 ,  G02F1/1335 ,  G02F1/1362 ,  H01L27/32 ,  G02F1/1333 ,  G02B19/00

Abstract: The present disclosure relates to a fingerprint identification component and a display apparatus, which belongs to the field of fingerprint identification. The fingerprint identification component includes: a thin film transistor TFT array and a photovoltaic device array, the TFT array including a plurality of TFTs, the photovoltaic device array including a plurality of photovoltaic devices, the plurality of TFTs in the TFT array and the plurality of optoelectronic devices in the photovoltaic device array correspond to each other one by one, and each TFT in the TFT array is electrically connected to a corresponding photovoltaic device; and SG lines of any adjacent two TFTs in the TFT array do not coincide with each other, the SG line is a line where a center of a source electrode and a center of a drain electrode of the any one TFT are located.

公开(公告)号：US20190087625A1

公开(公告)日：2019-03-21

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: G06K9/00 ,  H01L31/0232 ,  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：US20190087046A1

公开(公告)日：2019-03-21

申请号：US15756966

申请日：2017-08-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G06F3/041 ,  H01L27/32 ,  H01L41/113 ,  G06F3/044

Abstract: The present disclosure provides a force touch sensor, a display device and a driving method thereof. The force touch sensor comprises a driving electrode, a sensing electrode, a piezoelectric material layer and a piezoresistive material layer, wherein the piezoelectric material layer and the piezoresistive material layer are disposed between the driving electrode and the sensing electrode.