公开(公告)号：US10509942B2

公开(公告)日：2019-12-17

申请号：US15756168

申请日：2017-09-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G06K9/00 ,  G02F1/1335 ,  G06F3/041

Abstract: The present disclosure discloses a fingerprint identification device, a fingerprint identification method and a touch screen. The fingerprint identification device comprises: an optical sensor with a receiving surface configured to receive fingerprint reflected light; and a lens assembly configured to converge the fingerprint reflected light toward the receiving surface of the optical sensor, wherein the lens assembly includes a liquid crystal lens configured to converge the fingerprint reflected light toward the receiving surface of the optical sensor by rotating liquid crystal molecules at different angles upon energization.

公开(公告)号：US20240215348A1

公开(公告)日：2024-06-27

申请号：US17996382

申请日：2021-12-22

Applicant: Chengdu BOE Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Binyan Wang ,  Pinchao Gu ,  Long Ma ,  Tianyi Cheng

IPC: H10K59/131 ,  H10K59/121

CPC classification number: H10K59/131 ,  H10K59/1213 ,  H10K59/1216

Abstract: An array substrate is provided. The array substrate includes a first adjacent data line and a second adjacent data line extending along a first direction. The first adjacent data line and the second adjacent data line extend from a same inter-column region between a first column of pixel driving circuit and a second column of pixel driving circuit in a display area into a boundary area between the first column of pixel driving circuit and a peripheral area. In the boundary area, the first adjacent data line and the second adjacent data line are in a same layer.

公开(公告)号：US11769344B2

公开(公告)日：2023-09-26

申请号：US17804474

申请日：2022-05-27

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: G06V10/147 ,  H01L27/32 ,  G06V10/145 ,  G06V40/13 ,  H10K59/65 ,  G06V40/16

CPC classification number: G06V40/1318 ,  H10K59/65 ,  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 include 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：US11493435B2

公开(公告)日：2022-11-08

申请号：US16766774

申请日：2019-12-11

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G01N21/25 ,  G01N21/27 ,  H01L27/12 ,  H01L27/32 ,  G02F1/1362

Abstract: The present disclosure discloses an array substrate and a micro total analysis device. The array substrate includes: a substrate, a plurality of pixel regions arranged on the substrate and defined by the intersection of a plurality of data lines and a plurality of gate lines, and a plurality of drive transistors arranged in the plurality of pixel regions respectively; each drive transistor includes a first active layer pattern, a first extension direction of the first active layer pattern forms a first preset angle with a gate line, and in a first preset angle direction, the first active layer pattern spans a pixel region in an inclined manner; and source and drain electrodes of the each drive transistor are coupled with the active layer pattern in the first preset angle direction.

公开(公告)号：US11189194B2

公开(公告)日：2021-11-30

申请号：US16080618

申请日：2018-02-02

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Changfeng Li ,  Haisheng Wang ,  Yingming Liu ,  Xiaoliang Ding ,  Rui Xu ,  Pengpeng Wang ,  Wei Liu ,  Yuzhen Guo ,  Pengcheng Lu ,  Yanan Jia ,  Pinchao Gu

IPC: G09B21/00 ,  G09G3/00

Abstract: The embodiments of the present disclosure provide a display panel, a display device, and a method for displaying Braille information. The display panel includes a plurality of scan lines, data lines, and display circuits arranged at intersections of the plurality of scan lines and the plurality of data lines. The display circuit includes a switch configured to be turned on or off according to a scan signal from the scan line, and a dot element coupled to the switch. The dot element includes a substrate, an electrode provided on the substrate, a thermosensitive layer provided on the electrode, and a dot key arranged on the thermosensitive layer. The electrode is coupled to the switch, and configured to be applied with a data signal from the data line when the switch is turned on. The thermosensitive layer is configured to be heated by the electrode to protrude the dot.

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：US10916692B2

公开(公告)日：2021-02-09

申请号：US15918792

申请日：2018-03-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H01L41/113 ,  H04R17/02 ,  H01L41/04 ,  H01L41/193 ,  H01L41/047 ,  G01L1/16 ,  G06F3/041 ,  G02F1/1333 ,  H01L27/32 ,  H01L51/52

Abstract: The present disclosure relates to piezoelectric detection circuits, methods and display devices. A piezoelectric detection circuit is provided that may comprise: a piezoelectric device to convert a pressure into a direct current (DC) signal and to convert a sound wave into an alternating current (AC) signal; a comparison circuit configured to output the direct current signal to a signal processor in a case where the piezoelectric device outputs DC signal, and to output the alternating current signal to the mixer in a case where the piezoelectric device outputs AC signal; the mixer configured to perform a mixing process on the AC signal to generate a mixed signal; and the signal processor configured to process the mixed signal output from the mixer or the direct current signal output from the comparison circuit, to detect the pressure or the sound.

公开(公告)号：US10664680B2

公开(公告)日：2020-05-26

申请号：US15759755

申请日：2017-09-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G06K9/00 ,  G02B27/30

Abstract: The embodiments of the present disclosure provide an optical fingerprint recognition apparatus and a display panel. The apparatus comprises: a light emitting structure (1), a collimating structure (2) and a plurality of photosensitive sensors (3); the light emitting structure (1) is used for generating detecting light; the collimating structure (2) is used for filtering the detecting light reflected by a finger, such that light with a scattering angle in a predetermined range transmits through the collimating structure (2); the photosensitive sensors (3) are used for receiving the light transmitted through the collimating structure (2) and acquiring fingerprint information according to the received light. The embodiments of the present disclosure are used for manufacturing a display panel. The present disclosure can enhance accuracy of the recognized fingerprint information during an optical fingerprint recognition process.

公开(公告)号：US10564757B2

公开(公告)日：2020-02-18

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: G09G3/36 ,  G06F3/041 ,  H01L41/113 ,  G06F3/044 ,  H01L27/32 ,  H01L41/187

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.

公开(公告)号：US10379651B2

公开(公告)日：2019-08-13

申请号：US15575883

申请日：2017-06-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G06F3/041 ,  H01L27/32 ,  H01L51/52 ,  G06F3/044 ,  G02B5/30

Abstract: The present disclosure relates to display technology and discloses a present disclosure and a display device. The linear polarizer includes a base plate and a plurality of shading stripes equally spaced in parallel on the base plate, with a transparent stripe formed between every two shading stripes adjacent to each other, wherein the shading stripes are made of a conductive material; at least a portion of the shading stripes are also configured to detect touch position.