公开(公告)号：US11086450B2

公开(公告)日：2021-08-10

申请号：US16629003

申请日：2019-05-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang Ding ,  Xue Dong ,  Haisheng Wang ,  Yingming Liu ,  Xueyou Cao ,  Wei Liu

IPC: G06F3/042 ,  G06F3/041 ,  G06K9/00 ,  G09G3/3225 ,  G09G3/3266

Abstract: The present disclosure provides a touch circuit, a touch device, and a touch method. The touch circuit includes: at least one photodetection circuit, and a first capacitor electrically connected to the at least one photodetection circuit. Each photodetection circuit is configured to detect modulated light reflected by a touch object, generate a modulation signal according to the modulated light, and output the modulation signal through the first capacitor.

公开(公告)号：US11086158B2

公开(公告)日：2021-08-10

申请号：US16069764

申请日：2017-12-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G02F1/1333 ,  G02F1/1368 ,  G06F3/01 ,  H01Q1/24 ,  H01Q1/52

Abstract: The present disclosure provides an array substrate, comprising a substrate and a display element arranged above the substrate. The array substrate further comprises an antenna structure for transmitting and receiving electromagnetic waves. The antenna structure comprises a signal shielding layer and an antenna patch layer arranged on the substrate. The antenna patch layer and the signal shielding layer are spaced apart through a dielectric layer. The antenna patch layer is beneath the signal shielding layer such that the antenna structure transmits electromagnetic waves towards the bottom of the substrate and receives the electromagnetic waves from the bottom of the substrate. The present disclosure further provides a display panel and a man-machine interactive terminal.

公开(公告)号：US11074860B2

公开(公告)日：2021-07-27

申请号：US16609417

申请日：2019-02-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang Ding ,  Xue Dong ,  Haisheng Wang ,  Yingming Liu ,  Wei Liu ,  Changfeng Li ,  Xueyou Cao ,  Pengpeng Wang ,  Liguang Deng

IPC: G09G3/3233

Abstract: An optical signal noise reduction circuit includes a reference line, a comparison detection circuitry and a photoelectric signal read line. An electric signal on the photoelectric signal read line includes a noise electric signal and a photoelectric signal. The reference line is configured to sense the noise electric signal on the photoelectric signal read line, to generate a corresponding second electric signal. The comparison detection circuitry is connected to the reference line and the photoelectric signal read line and configured to acquire the photoelectric signal in accordance with the electric signal on the photoelectric signal read line and the electric signal on the reference line. One or more optical signal noise reduction circuits are used in a display panel. The optical signal noise reduction circuit may be utilized in an optical signal noise reduction method.

公开(公告)号：US11054678B2

公开(公告)日：2021-07-06

申请号：US15777233

申请日：2017-09-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhongxiao Li ,  Xue Dong ,  Xiaochuan Chen ,  Wenqing Zhao ,  Chenyu Chen ,  Ming Yang

IPC: G02F1/13 ,  G02F1/133 ,  G02F1/13357 ,  G02F1/1343 ,  G02F1/1335

Abstract: A display device and a display method. The display device includes an anti-peeping backlight module, a display panel and a regulator, the display panel being arranged on a light exit surface of the anti-peeping backlight module, and the anti-peeping backlight module being configured to emit an anti-peeping backlight; the display device has an anti-peeping OFF state and an anti-peeping ON state; wherein, in the anti-peeping OFF state, the regulator is configured to increase a divergence angle of the anti-peeping backlight so as to obtain divergent light; in the anti-peeping ON state, the regulator is configured to maintain the divergence angle of the anti-peeping backlight so as to obtain anti-peeping light. The display device and display method provided in this text can enable switching between normal display mode and an anti-peeping display mode to facilitate safe display of the display device.

公开(公告)号：US20210165267A1

公开(公告)日：2021-06-03

申请号：US15774959

申请日：2017-08-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhongxiao Li ,  Xue Dong ,  Xiaochuan Chen ,  Wenqing Zhao ,  Haiyan Wang ,  Chen-Yu Chen ,  Xiaochen Niu ,  Jinye Zhu

IPC: G02F1/1335 ,  G02F1/1362 ,  G02F1/1347 ,  G02F1/13357 ,  G02F1/1334 ,  G02F1/13 ,  G02F1/1343

Abstract: Embodiments of the present disclosure provide a display device. The display device includes: a display panel including a plurality of sub-pixels, each of the sub-pixels including at least one display unit, each display unit including a first electrode, a second electrode and a liquid crystal layer, the liquid crystal layer being configured to deflect collimated light rays incident onto the display panel by controlling electric signals applied to the first electrode and the second electrode; and an optical member configured to convert collimated light rays emitted from the liquid crystal layer into divergent light rays.

公开(公告)号：US10962823B2

公开(公告)日：2021-03-30

申请号：US16006400

申请日：2018-06-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhongxiao Li ,  Xue Dong ,  Xiaochuan Chen ,  Wenqing Zhao

IPC: G02F1/29 ,  G02F1/1335 ,  G02F1/13357 ,  G02F1/1337 ,  F21V8/00

Abstract: A display module and a display device. The display module includes: a display panel including a first substrate, a second substrate, and a liquid crystal layer between the first and second substrate; and a backlight panel on a side of the first or second substrate away from the liquid crystal layer. The display panel further includes a color filter layer on a side of the liquid crystal layer away from the backlight panel. The color filter layer includes at least two portions having different transparency. The backlight panel is configured to emit a plurality of directional light beams to the color filter layer. The display panel is configured to change a propagation direction of each of the directional light beams by means of the liquid crystal layer, to adjust an irradiation position of the directional light beam on the color filter layer.

公开(公告)号：US10957746B2

公开(公告)日：2021-03-23

申请号：US16080896

申请日：2018-01-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Changfeng Li ,  Xue Dong ,  Haisheng Wang ,  Yingming Liu ,  Xiaoliang Ding ,  Rui Xu ,  Pinchao Gu ,  Pengcheng Lu

IPC: H01L27/32 ,  G06F3/041 ,  G06K9/00

Abstract: The present disclosure relates to the field of display technologies, and provides a touch substrate and a display panel. Specifically, the touch substrate comprises: a pixel array and a light sensing device array arranged oppositely; a light shielding layer between the pixel array and the light sensing device array; and a lens array on a side of the light shielding layer remote from the light sensing device array. The pixel array comprises a plurality of pixel units, each pixel unit comprising a plurality of sub-pixels. The lens array comprises a plurality of lens units. The light sensing device array comprises a plurality of light sensing devices. The light shielding layer is provided with a plurality of via holes.

公开(公告)号：US10949031B2

公开(公告)日：2021-03-16

申请号：US16200711

申请日：2018-11-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G06F3/043 ,  B06B1/06 ,  H01L41/113 ,  G06F3/041 ,  H01L41/047 ,  G06K9/00

Abstract: The disclosure provides a touch display substrate and a touch display device. The touch display substrate includes: a substrate; a plurality of ultrasonic sensors disposed on the substrate; and one ultrasonic generator disposed on the substrate. The ultrasonic generator has a plurality of openings, and at least one of the plurality of ultrasonic sensors is disposed in at least one of the openings.

公开(公告)号：US10948738B2

公开(公告)日：2021-03-16

申请号：US15748670

申请日：2017-07-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jifeng Tan ,  Xue Dong ,  Wei Wang ,  Xiaochuan Chen ,  Yafeng Yang ,  Xin Gu ,  Feng Guan ,  Meili Wang

IPC: G02B30/00 ,  G02B27/01 ,  G03H1/22

Abstract: There is provided a holographic display device, which includes a display panel including plural sub-pixels, wherein each sub-pixel includes plural subdivided pixels, and each subdivided pixel has an adjustable light transmittance; a backlight, configured to provide reference light to the display panel; a phase adjustment layer, including plural transparent phase adjustment components, wherein each phase adjustment component is configured to adjust a phase of a light ray transmitted through the phase adjustment component, and the phase adjustment components corresponding to a single sub-pixel have phase adjustment amounts different from each other; and a controller, configured to obtain a target phase of a light ray to be transmitted through each sub-pixel, and determine a target subdivided pixel, which corresponds to the target phase, in each sub-pixel, and further configured to obtain a target intensity of the light ray, and adjust a light transmittance of the target subdivided pixel.

公开(公告)号：US10817699B2

公开(公告)日：2020-10-27

申请号：US16316457

申请日：2018-03-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G06K9/00

Abstract: The present disclosure discloses a fingerprint recognition device, a display substrate and a display apparatus. The fingerprint recognition device includes: at least one fingerprint detection component; at least one fingerprint recognition signal line, the fingerprint detection component outputs a detection current to the fingerprint recognition signal line; at least one noise reduction circuit serially coupled in the fingerprint recognition signal line, the noise reduction circuit being a resistive component; and a fingerprint determination circuit coupled to the fingerprint recognition signal line, configured to determine a morphology of a fingerprint according to a current signal, subjected to a noise reduction by the noise reduction circuit and transmitted by the fingerprint recognition signal line. The fingerprint recognition device can filter out the current generated by coupling the fingerprint recognition signal line with other data lines, the interference with the detection current is reduced, the accuracy of the fingerprint recognition is improved.