Patents Assigned to HEFEI BOE DISPLAY TECHNOLOGY CO., LTD.
  • Patent number: 11164537
    Abstract: The embodiments of the present disclosure propose a booster circuit and a method for driving the same, a shutdown circuit and a method for driving the same, and a display apparatus.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: November 2, 2021
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Huiming Wang, Jing Ma, Rongcheng Liu, Xiuqin Yang, Peng Zhao, Yanwei Lv
  • Publication number: 20210333599
    Abstract: A display panel having a display area and a peripheral area is provided. The display panel includes a first display substrate; a second display substrate facing the first display substrate; a sealant layer in the peripheral area and between the first display substrate and the second display substrate, configured to seal the first display substrate and the second display substrate together to form a cell; and an elastic support layer in the peripheral area and between the first display substrate and the second display substrate. The elastic support layer encircled by the sealant layer and spaced apart from the sealant layer. The elastic support layer substantially surrounds the display area. The elastic support layer is configured to be in direct contact with the first display substrate and in direct contact with the second display substrate.
    Type: Application
    Filed: May 14, 2019
    Publication date: October 28, 2021
    Applicants: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Lin Zhang, Ke Dai, Hongliang Wang
  • Patent number: 11127344
    Abstract: A method for driving a display panel, a device for driving a display panel and a display device are provided. The method for driving a display panel includes: acquiring a GOA signal corresponding to a current frame of image, where the GOA signal includes a plurality of clock signals; determining a transmission channel corresponding to each of the plurality of clock signals, and generating a correspondence relationship between the clock signals and respective transmission channels, where the transmission channels are used to deliver the clock signals from a GOA control signal generator to a GOA circuit of the display panel, the current frame of image is different from at least one frame of image previous to the current frame of image with respect to the correspondence relationship between the clock signals and respective transmission channels; and transmitting the clock signals by using the determined transmission channels.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: September 21, 2021
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Peng Zhao, Bin Li, Xiuqin Yang, Huiming Wang, Jing Ma, Rongcheng Liu, Min Wang, Qing Lei, Jinbo Xu
  • Patent number: 11114013
    Abstract: A display driving device, a display driving method, a display module and a display device are provided. The display driving device includes: a PWM signal generating circuit configured to generate a PWM signal; a PWM signal acquisition circuit, configured to identify whether the PWM signal output by the PWM signal generating circuit is at a high level or a low level; a gamma voltage debugging circuit, configured to debug a gamma voltage to obtain a first group of gamma voltage reference data corresponding to the PWM signal at the high level and a second group of gamma voltage reference data corresponding to the PWM signal at the low level in each gray-scale image; and a gamma voltage switching circuit.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: September 7, 2021
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qing Li, Liugang Zhou, Ke Dai, Yizhan Han, Liu He, Yunyun Liang, Jun Wang, Zhenlin Qu, Jianwei Sun, Yulong Xiong, Tao Li, Yu Quan, Xiaofeng Yin, Qian Zhou, Pengjun Fang
  • Patent number: 11100835
    Abstract: A shift register unit, a method of driving a shift register unit, a gate driving circuit, and a display device are disclosed. The shift register unit includes an input circuit and an output circuit. The input circuit is configured to write an input signal of the input terminal to the first node in response to an input control signal, so as to control a level of the first node. The output circuit is configured to receive a clock signal of the clock signal terminal and output a scanning signal through the pixel signal output terminal under control of the level of the first node. The output circuit includes a variable resistor, and the variable resistor is configured to adjust a level of the scanning signal according to a resistance value of the variable resistor.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: August 24, 2021
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xipeng Wang, Wei Zhang, Chao Xu, Yunfei Liu, Jincheng Jia, Benzhi Xu, Bin Li, Qi Liu, Ji Zhang
  • Patent number: 11087706
    Abstract: The present disclosure provides a display driving circuit and a driving method thereof, a display panel, and a display device. The display driving circuit comprises: a gate auxiliary circuit configured to selectively output one of a data signal from a source driver and a common voltage signal in response to a first control signal; and a gate auxiliary circuit configured to selectively output one of a scan signal from a gate driver and an active level signal in response to a second control signal, the active level signal being a signal enabling a corresponding switch transistor to be turned on.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: August 10, 2021
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Siying Lu, Xiuqin Yang, Dong Liu, Jilei Gao
  • Patent number: 11079635
    Abstract: The disclosure discloses a sealant and a method for fabricating the same, and a display device. The sealant includes a thermal-curing agent and an epoxy resin, wherein the thermal-curing agent includes a diphenyl ketone alcohol compound capable of emitting a fluorescent light and a phosphorescent light simultaneously.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: August 3, 2021
    Assignees: BOE Technology Group Co., Ltd., Hefei BOE Display Technology Co., Ltd.
    Inventors: Dong Xu, Xiaoqing Liu, Wenbo Dong
  • Publication number: 20210225308
    Abstract: The present disclosure provides a method and an apparatus for compensating the display voltage, a display apparatus and a display device, the method comprises acquiring, when performing an inversion operation with a polarity inversion signal for an arbitrary pixel, a preceding grayscale value and a subsequent grayscale value of the pixel, wherein the polarity inversion signal is configured to control the polarity of the pixel voltage of the pixel, the preceding grayscale value is a grayscale value of the pixel in a preceding frame before the inversion operation, and the subsequent grayscale value is the grayscale value of the pixel in a subsequent frame after the inversion operation.
    Type: Application
    Filed: December 3, 2019
    Publication date: July 22, 2021
    Applicants: Hefei BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yulong Xiong, Liugang Zhou, Tao Li, Yizhan Han, Jianwei Sun, Liu He, Yunyun Liang
  • Publication number: 20210223639
    Abstract: An array substrate is disclosed, the array sul cluding: a pixel display transistor having a first source, a first drain, and a first channel region, the first channel region having a first channel length extending between the first source and the first drain; an antistatic transistor having a second source, a second drain, and a second channel region; and a conductive block in the second channel region between the second source and the second drain; wherein the first channel region and second channel region are patterned regions of a same semiconductor material layer; and the conductive block divides the second channel region into a first sub-channel and a second sub-channel.
    Type: Application
    Filed: May 29, 2019
    Publication date: July 22, 2021
    Applicants: Hefei BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunxu ZHANG, Yuntian ZHANG, Zhonghou WU, Peng JIANG, Yafei DENG, Ke DAI
  • Publication number: 20210225221
    Abstract: The present disclosure generally relates to display technologies. An array substrate includes a plurality of repeating units arranged in a first direction, each repeating unit including a plurality of connection areas and a plurality of shared testing areas arranged in an alternating manner in a row along the first direction. Each of the plurality of shared testing areas is between two adjacent connection areas and coupled to each of the two adjacent connection areas, and each of the plurality of shared testing areas includes a plurality of testing pads, a first portion of the plurality of testing pads being coupled to one of the two adjacent connection areas, a second portion of the plurality of testing pads being coupled to the other one of the two adjacent connection areas.
    Type: Application
    Filed: November 12, 2019
    Publication date: July 22, 2021
    Applicants: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunxu Zhang, Ke Dai, Zhonghou Wu, Peng Jiang, Yuntian Zhang, Yafei Deng
  • Patent number: 11069320
    Abstract: A chip-on-film and a display device. The chip-on-film includes a substrate, at least one chip on the substrate, input terminals on the substrate, and output terminals on the substrate. The input terminals are configured to receive printed-circuit-board signals. The output terminals include data signal output sub-terminals configured to output display panel data signals. The output terminals lack an output sub-terminal configured to output a display panel scanning signal.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: July 20, 2021
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yizhan Han, Ke Dai, Liugang Zhou
  • Patent number: 11062669
    Abstract: The present disclosure provides a driving circuit and driving method for a liquid crystal display panel, and a display device. The driving circuit includes: a signal collector, configured to collect a backlight control signal; and a timing control chip, configured to determine whether a BLU is in the bright state time period or in the dark state time period, and retrieve a first gate control signal from a memory chip and output the first gate control signal to a gate driving circuit, when determining that the BLU is in the bright state time period, or retrieve a second gate control signal from the memory chip and output the second gate control signal to the gate driving circuit, when determining that the BLU is in the dark state time period.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: July 13, 2021
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Ke Dai, Yunyun Liang, Liugang Zhou, Zhenlin Qu, Liu He, Qing Li, Jun Wang, Yu Quan, Xiaofeng Yin, Liwei Zhou, Lin Zhang, Tao Li, Yulong Xiong
  • Patent number: 11043153
    Abstract: A control circuit board, an additional circuit board and a display device. The control circuit board includes a timing control circuit, the timing control circuit is configured to read a configuration code from a storage circuit on an additional circuit board outside the control circuit board, the configuration code includes a first code for configuring the timing control circuit, and the timing control circuit is further configured to generate, based on the first code, a control signal for controlling the display panel.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: June 22, 2021
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ke Dai, Tao Li, Liugang Zhou
  • Patent number: 11036108
    Abstract: An array substrate includes a substrate, at least one first light-shielding layer disposed above the substrate, semiconductor retention layers disposed on a side of the at least one first light-shielding layer facing away from the substrate, and data lines disposed on a side of the plurality of semiconductor retention layers facing away from the at least one first light-shielding layer. One first light-shielding layer of the at least one first light-shielding layer is disposed between one semiconductor retention layer of the semiconductor retention layers and the substrate, and an orthographic projection of the first light-shielding layer on the substrate covers an orthographic projection of the semiconductor retention layer on the substrate. The data lines are in one-to-one correspondence with the semiconductor retention layers, and an orthographic projection of each data line on the substrate overlaps with an orthographic projection of a corresponding semiconductor retention layer on the substrate.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: June 15, 2021
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuntian Zhang, Peng Jiang, Ke Dai, Jingang Liu, Lihui Han, Zhonghou Wu, Chunxu Zhang, Mengmeng Li
  • Patent number: 11037691
    Abstract: The present disclosure provides an electrically conductive material, a printing ink and a method for manufacturing an electrically conductive structure. The electrically conductive material includes a plurality of electrically conductive metal nanoplates and electrically conductive metal nanoparticles filled in gaps between the plurality of the electrically conductive metal nanoplates.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: June 15, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Xingfu Zhang, Wei Zhang, Chaoyue Wang
  • Patent number: 10984695
    Abstract: A display driving device is disclosed. The display driving device includes: a data signal end for providing a data signal, a source line, and a switching circuit. The source line can transmit the data signal to a first pixel circuit and a second pixel circuit. Along a direction of the source line, a distance between the second pixel circuit and the data signal end is larger than a distance between the first pixel circuit and the data signal end. The switching circuit is between the data signal end and the source line, and can be turned on in response to a first control signal, and can be turned on in response to a second control signal. A turned-on time period of the switching circuit in response to the second control signal is longer than a turned-on time period of the switching circuit in response to the first control signal.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: April 20, 2021
    Assignees: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yulong Xiong, Liugang Zhou, Tao Li, Yizhan Han, Jianwei Sun, Liu He
  • Patent number: 10985320
    Abstract: The present disclosure provides an organic transistor and a manufacturing method thereof, an array substrate, and a display device. The method for manufacturing the organic transistor includes: applying a photoresist on a side of an organic insulating layer; patterning the photoresist to form a confinement well; adding a solution of an organic semiconductor material and an orthogonal solvent to the confinement well; volatilizing the orthogonal solvent by an annealing process to induce directional growth of single crystal of the organic semiconductor material in the confinement well, thereby obtaining an organic single crystal layer; and removing remaining photoresist and using the organic single crystal layer as an active layer. The embodiment of the present disclosure produces an organic single crystal in a flexible display device at a low temperature, and the organic single crystal can be used as an active layer, resulting in an organic transistor having high mobility and stability.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: April 20, 2021
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ji Zhang, Weiwei Hu, Liang Chen, Jincheng Gao, Guanbao Hui
  • Publication number: 20210066349
    Abstract: A display panel and a method for manufacturing the same, and a display device is provided. The display panel includes a display area including a plurality of gate lines arranged spaced apart in a first direction and a non-display area including a first and a second non-display area. At least one of the first or the second non-display area includes: a gate driving area including a plurality of gate driving units arranged spaced apart in the first direction and connected to the gate lines, a length of at least one gate driving unit being smaller than a length of a pixel in the first direction; a dummy gate driving area including a plurality of dummy gate driving units arranged spaced apart in the first direction; and a first trace area including a plurality of first traces connected to the dummy gate driving units and an external circuit.
    Type: Application
    Filed: July 10, 2020
    Publication date: March 4, 2021
    Applicants: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuntian ZHANG, Zhou RUI, Peng JIANG, Haipeng YANG, Ke DAI, Chunxu ZHANG, Zhonghou WU, Li TIAN
  • Patent number: 10902803
    Abstract: The disclosure discloses a display panel, a voltage adjustment method thereof, and a display device, and the display panel includes: at least two reference sub-pixels; a voltage compensation element coupled respectively with respective reference sub-pixels; and a power management element coupled with the voltage compensation element, wherein the voltage compensation element is configured to acquire valid values of pixel voltage of the respective reference sub-pixels when the at least two reference sub-pixels receive the same data voltage, and to generate a compensation signal of gate off voltage for the purpose of making the acquired valid values of the pixel voltage of the respective reference sub-pixels uniform; and the power management element is configured to adjust a voltage value of the gate off voltage according to the compensation signal of the gate off voltage.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: January 26, 2021
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yizhan Han, Shou Li, Liugang Zhou, Tao Li, Yulong Xiong, Jianwei Sun
  • Patent number: 10870541
    Abstract: The embodiments of the present disclosure provide a logistics trolley, including a carrier for carrying a material, a body for supporting the carrier, and wheels disposed below the bottom of the trolley body, wherein the carrier has an extension length in a horizontal direction greater than an extension length of the trolley body in a horizontal direction, the carrier includes a conveying mechanism for conveying the material.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: December 22, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Fan Peng, Wei Min, Haibin Liu, Fangqing Li, Yong Sun, Baoyong Nie, Zhiyu Qian