Patents by Inventor Xue Dong

Xue Dong has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11322076
    Abstract: A pixel driving chip and a driving method therefor, and a display apparatus. The pixel driving chip includes a data input circuit, a time selection circuit, and a current control circuit; the data input circuit is configured to receive display data, and partition the display data to obtain a data partition to which the display data belongs in M data partitions that are obtained on the basis of a display data range; the time selection circuit is configured to determine, according to the data partition to which the display data belongs, an output time length corresponding to the display data, and within the output time length, output the display data to the current control circuit; the current control circuit is configured to determine, according to the display data, a driving current flowing through a light emitting element corresponding to the display data.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: May 3, 2022
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Lingyun Shi, Wenchieh Huang, Ming Chen, Xue Dong, Haiwei Sun, Xiurong Wang, Qibing Gu, Guofeng Hu
  • Patent number: 11316003
    Abstract: Disclosed are an array substrate, and a display device, and a method for manufacturing the same. The array substrate includes: a base substrate, and a thin film transistor, a planarization pattern, a bonding pattern, and a conductive structure that are disposed on the base substrate. The thin film transistor, the planarization pattern, and the bonding pattern are laminated in a direction going distally from the base substrate. The planarization pattern is provided with a via and a groove, the conductive structure is disposed in the via, wherein the bonding pattern is conductive and is electrically connected to the thin film transistor by the conductive structure, an orthographic projection of the bonding pattern on the base substrate falls outside an orthographic projection of the groove on the base substrate, and the groove is configured to accommodate an adhesive.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: April 26, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xue Dong, Guangcai Yuan, Haixu Li, Zhanfeng Cao, Ke Wang, Zhijun Lv, Fei Wang, Huijuan Wang, Zhiwei Liang, Xinhong Lu
  • Patent number: 11314110
    Abstract: Embodiments of the present disclosure provide a liquid crystal display and a driving method thereof. In the liquid crystal display, orthographic projections of each of the light shielding structures and a corresponding light source on the lower substrate overlap. Light emitted from each of the light sources is incident into the liquid crystal layer in a collimated manner, and the first electrode and the second electrode are configured to form an electric field in response to voltages applied to the first electrode and the second electrode, so that liquid crystal molecules within an area of the electric field are deflected to form a convex lens structure.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: April 26, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaochen Niu, Xue Dong, Xiaochuan Chen, Wenqing Zhao, Haiyan Wang, Chenyu Chen
  • Patent number: 11315985
    Abstract: The present disclosure provides a display panel and a method for manufacturing the same, and a display device. The display panel includes: a substrate; a pixel unit array disposed on one side of the substrate, wherein the pixel unit array comprises a plurality of pixel units, at least one of the plurality of pixel units comprising an anode layer, a cathode layer, and a light emitting layer located between the anode layer and the cathode layer, the cathode layer defining an opening configured to transmit a light emitted from the light emitting layer; and at least one sensor disposed on one side of the pixel unit array away from the substrate and configured to detect a light transmitted through the opening.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: April 26, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Shengji Yang, Xue Dong, Xiaochuan Chen, Hui Wang, Pengcheng Lu, Shengnan Li
  • Publication number: 20220121055
    Abstract: A liquid crystal panel and a display device are disclosed. The liquid crystal panel includes a first substrate, a second substrate, and a liquid crystal. The first substrate includes a first base substrate, and a pixel electrode and a common electrode provided on the first base substrate. The second substrate is opposed to the first substrate and includes a second base substrate. The liquid crystal layer is provided between the first substrate and the second substrate in a direction perpendicular to the first base substrate. An initial alignment of liquid crystal in the liquid crystal layer is vertical alignment.
    Type: Application
    Filed: January 13, 2020
    Publication date: April 21, 2022
    Inventors: Meina YU, Hyun Sic CHOI, Pengxia LIANG, Xiaochuan CHEN, Zheng FANG, Xue DONG
  • Patent number: 11308727
    Abstract: The present disclosure provides a fingerprint detection device and method. The fingerprint detection device includes a detection substrate and a signal converter. The detection substrate includes pixels arranged in rows and columns. Each pixel includes a sensing circuit configured to receive an optical signal and output a sensing electrical signal according to the received optical signal. The signal converter includes A/D converters each coupled to one column of sensing circuits. The fingerprint detection device further includes a control circuit coupled to the sensing circuits and the A/D converters and configured to obtain common mode component of sensing electrical signals output by sensing circuits of at least part of the pixels and provide information about the common mode component to the A/D converters. The A/D converter is configured to perform analog-to-digital conversion on difference between the sensing electrical signal from corresponding sensing circuit and the common mode signal.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: April 19, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoliang Ding, Xue Dong, Haisheng Wang, Yingming Liu, Wei Liu, Jiabin Wang, Yangbing Li, Pengpeng Wang, Ping Zhang, Likai Deng, Bo Chen
  • Patent number: 11308897
    Abstract: A display device and a display control method, and the display device includes: a backlight module, a first display panel, and a second display panel, and a processor. The processor is configured to: acquire a pixel grayscale matrix of an image to be displayed; determine desired brightness of each pixel by using a grayscale-brightness curve of the second display panel based on the pixel grayscale matrix; determine set light-emitting brightness of backlight partition according to grayscale information in the pixel grayscale matrix corresponding to the backlight partition; obtain a first corrected brightness of each backlight partition based on light diffusion coefficients of the plurality of backlight partitions; determine a grayscale of pixel unit according to a brightness difference between the first corrected brightness and the desired brightness; obtain a second corrected brightness of the backlight partition.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: April 19, 2022
    Assignees: BOE MLED Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tiankuo Shi, Lingyun Shi, Xiaomang Zhang, Xin Duan, Wei Sun, Guofeng Hu, Zhihua Ji, Yanhui Xi, Yan Sun, Bin Dai, Yue Li, Yifan Hou, Yilang Sun, Chuanjun Liu, Xue Dong
  • Patent number: 11301707
    Abstract: A texture recognition device and a driving method of a texture recognition device (100) are provided. The texture recognition device has a touch side, and includes: a light source array, an image sensor array and a light valve structure; the image sensor array is configured to receive light emitted from the light source array and then reflected to the image sensor array by a texture for a texture image collection; the light valve structure is disposed on a side of the light source array close to a touch side and is configured to control a first region to be in a light transmission state in response to a control signal, so as to allow light emitted from the light source array to pass through the first region to form a first photosensitive light source in the light transmission state.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: April 12, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haisheng Wang, Xue Dong, Lei Wang, Xiaoliang Ding, Yingming Liu
  • Patent number: 11303878
    Abstract: The present disclosure provides a three-dimensional display panel, a display method thereof, and a display device. The three-dimensional display panel includes: a first display panel, a second display panel, and a microlens array stacked sequentially; the first display panel and the second display panel have a same light exit direction, and the microlens array is located in the light exit direction; a distance between the first display panel and the microlens array is greater than a focal length of the microlens array; a distance between the second display panel and the microlens array is less than the focal length of the microlens array; and the second display panel is a transmissive display panel.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: April 12, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaochen Niu, Chenyu Chen, Xue Dong, Xiaochuan Chen, Wenqing Zhao
  • Patent number: 11302233
    Abstract: The disclosure provides a timing control method and a timing control circuit for a display panel, a driving device, and a display device. The method includes: in respective display periods, supplying a data enable signal to a source driving circuit. The source driving circuit supplies a data signal to a plurality of sub-display regions under the control of the data enable signal. The data enable signal is switched between an active level and an inactive level, and the active levels of the data enable signal are in one-to-one correspondence with the plurality of sub-display regions of the display panel. The farther one of the plurality of sub-display regions from the source driving circuit, the longer time period, at an active level, of the data enable signal for controlling the source driving circuit to provide the data signal to at least one row of pixels in the sub-display region is.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: April 12, 2022
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yan Yang, Rui Liu, Wei Sun, Ming Chen, Xue Dong
  • Patent number: 11301662
    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.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: April 12, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuzhen Guo, Haisheng Wang, Chunwei Wu, Yingming Liu, Lijun Zhao, Wei Liu, Changfeng Li, Rui Xu, Yanan Jia, Yunke Qin, Pinchao Gu, Xue Dong
  • Patent number: 11295105
    Abstract: An ultrasonic sensing circuitry is disclosed which includes an ultrasonic sensor circuit, an input circuit, a reset circuit, a storage circuit, a selection circuit, a source follower, and a compensation circuit. The ultrasonic sensor circuit generates a sensing voltage corresponding to a received ultrasonic signal to provide the sensing voltage to a first node. The input circuit provides the voltage of the first node to a second node. The reset circuit resets the voltage of the second node. The storage circuit stores a voltage difference between the second node and a second supply voltage terminal. The selection circuit provides a third supply voltage to a third node. The source follower outputs a current corresponding to a voltage between a first electrode and a control electrode via an output terminal. The compensation circuit provides a compensated sensing voltage to a control electrode of the source follower.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: April 5, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shengji Yang, Xue Dong, Xiaochuan Chen, Hui Wang, Pengcheng Lu, KuanTa Huang
  • Patent number: 11295709
    Abstract: A method for processing image data with reduced transmission bandwidth is provided. The method includes receiving a first set of data for image in a first resolution and receiving a center coordinate. The method further includes determining a high-definition region including an area and a boundary centered on the center coordinate. Additionally, the method includes rendering the first set of data based on the center coordinate and the area of the high-definition region to obtain a first subset of data. Furthermore, the method includes rendering a set of data compressed from the first set of data to obtain a second subset of data beyond the boundary. Moreover, the method includes transmitting a second set of image data to the display panel combining the first subset of data for display image in the first resolution and the second subset of data to display image in the second resolution.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: April 5, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Yafei Li, Hsinchung Lo, Bo Gao, Wei Sun, Lingyun Shi, Hao Zhang, Ming Chen, Tiankuo Shi, Jinxing Liu, Wenjia Sun, Xue Dong
  • Publication number: 20220100030
    Abstract: A near-to-eye display device, includes: a display screen configured to display different images in a first time division mode, a polarization converter at a light-emitting side of the display screen and configured to convert emitted light of the different images displayed by the display screen into first circularly polarized light rays and second circularly polarized light rays in a second time division mode. Here the first circularly polarized light rays and the second circularly polarized light rays are opposite in rotation direction. The device further includes a polarization lens at a side facing away from the display screen of the polarization converter, and a focusing lens at a side facing away from the display screen of the polarization converter. The polarization lens and the focusing lens are configured to focus the first circularly polarized light rays and the second circularly polarized light rays at positions of different focal lengths.
    Type: Application
    Filed: August 25, 2021
    Publication date: March 31, 2022
    Inventors: Ruijun DONG, Xue DONG, Hao ZHANG, Wenhong TIAN, Yulong WU, Chenru WANG, Ke LI, Jiarong BAI, Na HAN
  • Patent number: 11289669
    Abstract: The present disclosure provides a light-emitting device, a pixel unit, a method for manufacturing the pixel unit, and a display device. The light-emitting device comprises a first electrode, an organic light-emitting layer and a second electrode which are sequentially disposed on a substrate; the first electrode comprises a reflecting layer, a transparent insulating layer and a transparent contact layer which are sequentially disposed on the substrate; and the second electrode is a semi-transparent electrode, so that a cavity is formed between the second electrode and the reflecting layer.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: March 29, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shengji Yang, Xue Dong, Xiaochuan Chen, Hui Wang, Pengcheng Lu, Kuanta Huang
  • Patent number: 11289548
    Abstract: A display substrate includes a base substrate; and a plurality of light emitting brightness value detectors on the base substrate. Each of the plurality of light emitting brightness value detectors includes a first thin film transistor; a protection layer on a side of the first thin film transistor away from the base substrate; and a photosensor electrically connected to the first thin film transistor and configured to detect alight emitting brightness value. An orthographic projection of the protection layer on the base substrate covers an orthographic projection of at least a channel part of the first thin film transistor on the base substrate.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: March 29, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Ling Wang, Xue Dong, Yicheng Lin, Cuili Gai, Pan Xu
  • Patent number: 11278893
    Abstract: A microfluidic substrate and the driving method for the microfluidic substrate are provided. The microfluidic substrate may include a base substrate (10) and a plurality of detecting modules (100) on the base substrate (10). Each of the detecting modules (100) may include a switching unit (1), a driving electrode (3), and a photosensor (2). The photosensor (2) may have a first terminal (21) and a second terminal (23). A signal output terminal (13) of the switching unit (1) may be connected to both the driving electrode (3) and the second terminal (23) of the photosensor (2).
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: March 22, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yingming Liu, Haisheng Wang, Xue Dong, Xiaoliang Ding, Chuncheng Che, Peizhi Cai, Pinchao Gu, Changfeng Li, Lei Wang
  • Publication number: 20220084465
    Abstract: A display substrate and a display device are provided. The display substrate includes a plurality of driving circuits, wherein each of the driving circuits includes: a first sub-circuit, respectively coupled to a gate signal terminal, a data signal terminal and a light-emitting power source terminal, and configured to store a drive voltage based on a voltage at the data signal terminal when the gate signal terminal receives a gate drive signal, and output a drive current to a light-emitting device based on the stored drive voltage under power supply provided by the light-emitting power source terminal; and a second sub-circuit, configured to regulate an equivalent resistance value of the second sub-circuit in an output path through which the drive current is output to the light-emitting device, based on a voltage division control signal received by the voltage division control signal terminal.
    Type: Application
    Filed: November 29, 2021
    Publication date: March 17, 2022
    Inventors: Shengji Yang, Xue Dong, Xiaochuan Chen, Hui Wang, Pengcheng Lu
  • Publication number: 20220084460
    Abstract: A pixel driving chip and a driving method therefor, and a display apparatus. The pixel driving chip includes a data input circuit, a time selection circuit, and a current control circuit; the data input circuit is configured to receive display data, and partition the display data to obtain a data partition to which the display data belongs in M data partitions that are obtained on the basis of a display data range; the time selection circuit is configured to determine, according to the data partition to which the display data belongs, an output time length corresponding to the display data, and within the output time length, output the display data to the current control circuit; the current control circuit is configured to determine, according to the display data, a driving current flowing through a light emitting element corresponding to the display data.
    Type: Application
    Filed: October 21, 2020
    Publication date: March 17, 2022
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lingyun SHI, Wenchieh HUANG, Ming CHEN, Xue DONG, Haiwei SUN, Xiurong WANG, Qibing GU, Guofeng HU
  • Patent number: 11272169
    Abstract: The present application provides a viewpoint controllable three-dimensional image display apparatus. The viewpoint controllable three-dimensional image display apparatus includes a display panel having a light emitting side; a back light for providing a light source for image display in the display panel; a first grating on a side of the light emitting side distal to the back light; a second grating between the display panel and the back light; and a controller configured to alternately turn on and off the first grating and the second grating in a time-division driving mode including a first mode and a second mode, thereby presenting a three-dimensional image to a user. In the first mode, the controller is configured to turn off the second grating, and turn on the first grating. In the second mode, the controller is configured to turn off the first grating, and turn on the second grating.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: March 8, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Zhongxiao Li, Xue Dong, Xiaochuan Chen, Wenqing Zhao, Jinye Zhu