Patents Assigned to HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
  • Patent number: 11249591
    Abstract: A shift register unit, a driving method for driving the shift register unit, a gate driver, a touch display panel, and a touch display device are disclosed. The shift register unit includes an input circuit being configured to control a level of a first node in response to an input pulse received at an input terminal; a first control circuit being configured to, under control of the input pulse received at the input terminal and a touch enable signal received a touch enable signal terminal, connect a first scan voltage terminal to the first node to control the level of the first node; an output circuit being configured to connect a clock terminal to an output terminal in response to a potential of the first node, to output a clock signal received by the clock terminal at the output terminal.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: February 15, 2022
    Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventor: Zhixiang Fang
  • Patent number: 11249244
    Abstract: The present disclosure relates to a backlight module and a display device. The backlight module comprises a light guide plate and a light-emitting assembly configured to emit light rays and cause the light rays as emitted to be incident to the light guide plate in parallel. The light guide plate further comprises a light incident surface, a bottom surface, a light emitting surface on the top thereof, and at least one reflective sloped surface. The reflective sloped surface is positioned between the bottom surface and the light emitting surface, and an angle between the at least one reflective sloped surface and a plane of the bottom surface extending in a direction away from the light incident surface is less than 90°. The light incident surface is located on a side of the light guide plate.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: February 15, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jun Xu, Qing Zhang, Shounian Chen, Shouzheng Wu
  • Patent number: 11249356
    Abstract: A base substrate includes a first base layer and an electrostatic resistant layer that are disposed in a stack.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: February 15, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wei Qin, Yonggang Du, Xiangzhen Wang, Bin Wu, Guohua Xu
  • Patent number: 11237664
    Abstract: The present disclosure discloses a driving method and device of a touch display panel. The driving method includes: acquiring image data of an image to be displayed; judging whether the acquired image data is a reloaded picture with a default polarity mode; performing polarity adjustment on the image data when judging that the image data is a reloaded picture with a default polarity mode; and driving the touch display panel to display image according to the image data after polarity adjustment. Wherein the default polarity mode includes: the polarities of image data corresponding to each two adjacent data lines are opposite, while the polarities of image data corresponding to the same data line are the same.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: February 1, 2022
    Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhixiang Fang, Liangliang Zheng, Guanglei Yang, Peng Ding
  • Patent number: 11238769
    Abstract: The present disclosure provides a shift register unit, including an input sub-circuitry, a pull-up node control sub-circuitry, a pull-down node control sub-circuitry, a gate driving output sub-circuitry and a carry signal output sub-circuitry. The input sub-circuitry is connected to an input end, a second clock signal input end and a pull-up node. The pull-up node control sub-circuitry is connected to the pull-up node, a pull-down node, a first clock signal input end and a first voltage input end. The pull-down node control sub-circuitry is connected to the pull-down node, the pull-up node, the first clock signal input end, the first voltage input end and a second voltage input end.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: February 1, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ying Wang, Hongmin Li, Dong Wang, Fengjing Tang
  • Patent number: 11237662
    Abstract: Embodiments of the present disclosure provide a touch display substrate, a method for manufacturing the same, a driving method thereof, and a display device thereof. The touch display substrate includes a substrate, a plurality of electrode blocks, independent of each other and arranged in an array, disposed on the substrate, and a switching device disposed between the adjacent electrode blocks. The electrode block is configured to receive a common voltage during a display period and receive a touch scan signal during a touch period. The switching device is configured to electrically connect the adjacent electrode blocks during the display period and electrically isolate the adjacent electrode blocks from each other during the touch period.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: February 1, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liqing Liao, Hongmin Li, Zhifu Dong
  • Patent number: 11231795
    Abstract: The present application discloses a touch control array substrate having a plurality of subpixel areas. The touch control army substrate includes a base substrate; an array of a plurality of touch electrode blocks on the base substrate; a plurality of touch signal lines respectively electrically connected to the plurality of touch electrode blocks; and a plurality of auxiliary conductive lines. A first touch electrode block of the plurality of touch electrode blocks is electrically connected to at least a first auxiliary conductive line of the plurality of auxiliary conductive lines at at least two different portions of the first touch electrode block.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: January 25, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., Hefei BOE Optoelectronics Technology Co., Ltd.
    Inventors: Jian Tao, Hongmin Li, Fengjing Tang, Zhifu Dong, Wei Xue
  • Patent number: 11233095
    Abstract: A display substrate, a manufacturing method of the display substrate and a display device are provided. The display substrate includes a plurality of sub-pixels arranged in an array in a display area. The display area includes a boundary extending in non-straight line. The plurality of sub-pixels arranged in the array include a plurality of first sub-pixels whose distances to the boundary extending in non-straight line are less than a preset threshold and a plurality of second sub-pixels other than the plurality of first sub-pixels, where at least one of the first sub-pixels is smaller in area than each of the second sub-pixels.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: January 25, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lei Lv, Bo Han, Fei Xu, Jie Gao, Jun Hong, Jiuyang Zhu, Mingwei Zhang, Jingyong Li, Chunmin Xu
  • Patent number: 11231440
    Abstract: An acceleration sensor, a capacitance detection circuit and method, an acceleration processing circuit and method, a storage medium and an electronic device are provided. The acceleration sensor includes: a base, at least one fixed electrode fastened on the base, and at least one mass movable relative to the fixed electrode. The mass includes a conductive electrode, the conductive electrode and the fixed electrode are configured to form a capacitor, and a capacitance value of the capacitor is variable due to movement of the mass relative to the base.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: January 25, 2022
    Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Youhui Liu, Na Zhang, Peng Li, Lele Han, Zhengwei Zhu
  • Patent number: 11221713
    Abstract: The present disclosure relates to an ultrasonic touch device and a method. The ultrasonic touch device is disposed at a periphery of a display area of an electronic equipment. The ultrasonic touch device includes an ultrasonic ranging module. The ultrasonic ranging module includes a plurality of ultrasonic ranging units detected. The ultrasonic touch device includes a first position determining unit configured to determine a distance between a touch object and the ultrasonic ranging module, and determine a position of the touch object in a first coordinate direction of the display area according to the distance. The ultrasonic touch device includes a second position determining unit configured to determine a position of the touch object in a second coordinate direction of the display area according to a position of an ultrasonic ranging unit that receives the reflected ultrasonic waves in the ultrasonic ranging module.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: January 11, 2022
    Assignees: BOE Technology Group Co., Ltd., Hefei BOE Optoelectronics Technology Co., Ltd.
    Inventors: Yansheng Hu, Jin Sha, Zhaobo Jiang, Chengcheng Hou, Guanglei Yang
  • Patent number: 11216110
    Abstract: The present disclosure provides a touch substrate, a touch display panel, and a touch display device. The touch substrate includes: a base substrate, an integrated circuit element disposed on the base substrate and located in a border area, a plurality of touch electrodes arranged in an array on the base substrate and located in a touch area, as well as touch leads configured to electrically connect the integrated circuit element to each of the touch electrodes. The plurality of touch electrodes are divided into a first group directly adjacent to the integrated circuit element and a second group spaced apart from the integrated circuit element by the first group. Each touch electrode in the second group is electrically connected to the integrated circuit element through two touch leads, respectively, and each touch electrode in the first group is electrically connected to the integrated circuit element through one touch lead.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: January 4, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Chuanbao Chen, Yuanning Xu
  • Patent number: 11217172
    Abstract: A pixel circuit and driving method thereof, a display device are provided, and the pixel circuit includes a switching sub-circuit, a threshold voltage extraction sub-circuit, an initialization sub-circuit, a feedback compensation sub-circuit, a driving transistor and a light emitting device. The threshold voltage extraction sub-circuit is coupled to a control electrode of the driving transistor, and configured to extract and store a threshold voltage of the driving transistor in response to an enable signal and configured to apply the threshold voltage and a data voltage written by the switching sub-circuit to the control electrode of the driving transistor. The feedback compensation sub-circuit is coupled to a second terminal of the light emitting device and a data line, and configured to generate a data voltage compensation signal for a next display image frame according to an operating current of the light emitting device and supply it to the data line. (FIG. 1).
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: January 4, 2022
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ran Jiang, Hai Kang, Donghui Wang, Yongquan Lu, Yunyun Zhang
  • Patent number: 11217148
    Abstract: A shift register unit, a driving method, a gate driver on array and a display device. The shift register unit includes an input sub-circuit, an output sub-circuit, a pull-down control sub-circuit and a pull-down sub-circuit; the input sub-circuit is configured for inputting an input signal from an input signal terminal to a pull-up node under a control of a first clock signal; the output sub-circuit is configured for inputting a second clock signal to an output terminal under a control of a pull-up node; the pull-down control sub-circuit is configured for inputting the first clock signal to a pull-down node under a control of the first clock signal, and inputting a power supply signal to the pull-down no under the control of the pull-up node; the pull-down sub-circuit is configured for inputting the power supply signal to the output terminal under a control of the pull-down node.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: January 4, 2022
    Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jian Tao, Dong Wang, Hongmin Li, Shufeng Wang
  • Publication number: 20210405430
    Abstract: An electronic device includes a first base substrate, a flexible member, and a bending auxiliary structure. The first base substrate includes a first side. The flexible member includes a first end, a second end opposite to the first end, and a main body portion located between the first end and the second end. The first end is connected to the first base substrate at the first side. The bending auxiliary structure is provided at the first side and including at least one curved surface. The main body portion of the flexible member is bent around the at least one curved surface of the bending auxiliary structure, so that the first end and the main body portion or the first end and the second end are at least partially overlapped in a direction perpendicular to the first base substrate.
    Type: Application
    Filed: May 13, 2019
    Publication date: December 30, 2021
    Applicants: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jianghui Zhan, Xuemei Zhao, Guanghua Hu, Guanglei Yang, Hu Li, Wenyu Zeng
  • Patent number: 11207707
    Abstract: The present disclosure provides a curved surface coating device. The curved surface coating device includes a bracket having a first and second ends. The curved surface coating device includes a glue coating portion connected with the first end of the bracket. The curved surface coating device includes a transmission member connected between the first and second ends of the bracket and its distance from the first end of the bracket is adjustable. The curved surface coating device includes a first driving mechanism connected with the transmission member for driving the bracket to rotate about the transmission member as a center of rotation. The curved surface coating device includes a second driving mechanism connected with the bracket for driving the bracket to move on a line where the first end and the second end are located.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: December 28, 2021
    Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yangkun Jing, Nan Gao
  • Patent number: 11211435
    Abstract: The present disclosure provides a display substrate, a manufacturing method thereof, and a display device. The method includes: forming a pixel definition layer transitional pattern on a base substrate, the pixel definition layer transitional pattern being provided at a lateral surface with an undercut; forming a common layer, which is broken at the undercut, on the base substrate; removing the undercut to obtain a pattern of a pixel definition layer; and forming a cathode on the base substrate.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: December 28, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Kui Gong, Xianxue Duan
  • Publication number: 20210397059
    Abstract: A transparent display structure and a transparent window having a display function are provided. The transparent display structure includes a first transparent base layer, a transparent display component layer, a first electrode layer, an electrochromic layer, a second electrode layer, and a semiconductor layer which are sequentially stacked. The semiconductor layer is configured to generate current under irradiation of light, the first electrode layer and the second electrode layer are configured to generate an electric field between the first electrode layer and the second electrode layer under an effect of the current, the electrochromic layer is configured that a color of the electrochromic layer changes under a control of the electric field, and the transparent display component layer has a function of displaying image.
    Type: Application
    Filed: June 18, 2020
    Publication date: December 23, 2021
    Applicants: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaobao LI, Wei TIAN, Kui GONG
  • Patent number: 11205667
    Abstract: Disclosed is a method of preparing a thin film transistor substrate, a thin film transistor substrate, and a display apparatus. The method includes forming a conductive material layer, forming a hydrophobic insulation layer on the conductive material layer, forming a photoresist layer on the hydrophobic insulation layer, patterning the photoresist layer to form a photoresist pattern, removing a segment in the hydrophobic insulation layer that is not covered by the photoresist pattern to form a hydrophobic insulation pattern, and removing a segment in the conductive material layer that is not covered by the hydrophobic insulation pattern to form a conductive pattern.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: December 21, 2021
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY, CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Kui Gong, Dezhi Xu, Wei Tian, Honggang Gu, Yuhu Zhang
  • Patent number: 11204671
    Abstract: A pen, a method for detecting a pen, and a touch system are disclosed. The pen is configured to operate on a touch panel. The pen includes a controller, a transmitting electrode, and a receiving electrode. The transmitting electrode and the receiving electrode are at different positions of the pen. The receiving electrode is configured to receive a first signal transmitted by the touch panel and transmit the first signal to the controller. The controller is configured to receive the first signal, determine an inclination angle between the pen and the touch panel according to a signal amount of the first signal, generate a second signal by using an encoding format corresponding to the inclination angle, and transmit the second signal to the transmitting electrode. The transmitting electrode is configured to receive the second signal and transmit the second signal to the touch panel.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: December 21, 2021
    Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Guanglei Yang, Zhixiang Fang, Meng Wang, Peng Ding, Xuxu Hu
  • Patent number: 11201178
    Abstract: An array substrate, a manufacturing method thereof, and a display device are disclosed. The array substrate includes: a base substrate; a gate line located on the base substrate and extending in a first direction; a data line located on the base substrate and extending in a second direction; the gate line and the data line crossing each other to define an orthographic projection of a pixel region on the base substrate; an organic film located on the gate line and the data line and located in the pixel region; and a pixel electrode located on the organic film in the pixel region. The organic film located directly above the data line has a first thickness, the organic film located directly below the pixel electrode has a second thickness, and the first thickness is greater than the second thickness.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: December 14, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Chuanbao Chen, Xiaobin Yin, Juncai Ma