Patents Assigned to HEFEI BOE DISPLAY TECHNOLOGY CO., LTD.
  • Patent number: 11719979
    Abstract: The present disclosure provides an array substrate, a dimming liquid crystal panel and a display panel. The array substrate includes: a first transparent electrode layer with a plurality of slit structures, wherein the first transparent electrode layer comprises a plurality of domains, the plurality of domains comprise at least two types of domains, each of the plurality of domains is adjacent to different types of domains along both a row direction and a column direction; and a plurality of gate lines extending along the row direction and a plurality of data lines extending along the column direction, the plurality of gate lines and the plurality of data lines crossing to define a plurality of dimming regions arranged in an array.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: August 8, 2023
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yue Du, Wei Guo, Ke Dai, Lei Guo, Liangliang Jiang, Jiaqing Liu, Yuanhui Guo
  • Patent number: 11705080
    Abstract: The disclosure provides a voltage adjustment method and a voltage adjustment device for a display panel, and a display device. The method includes: detecting whether an absolute value of a difference between a first gray scale data of a first sub pixel and a second gray scale data of a second sub pixel in a static picture area is larger than a preset gray scale threshold; if so, acquiring the first gray scale data; and inputting a target data voltage to the data line according to the first gray scale data, to adjust an original pixel voltage to the first sub pixel into a target pixel voltage and to cause an absolute value of a difference between a first voltage difference in the positive frame and a second voltage difference in the negative frame to be smaller than a preset voltage difference threshold.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: July 18, 2023
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Rongcheng Liu, Huiming Wang
  • Patent number: 11645969
    Abstract: A display device, a gate drive circuit, a shift register and a control method are disclosed. The shift register includes a first shift register unit and a second shift register unit, the first shift register unit is configured to write a first control signal to the first node, and write a first clock signal to the first signal output terminal under control of a voltage of the first node; the second shift register unit is configured to write a second clock signal to the second signal output terminal under control of the voltage of the first node; during time of a frame, the first clock signal and a first input signal provided by a first signal input terminal are pulse signals, and the second clock signal is a DC signal.
    Type: Grant
    Filed: June 27, 2022
    Date of Patent: May 9, 2023
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zuquan Hu, Zhenyu Zhang, Haipeng Yang, Ke Dai
  • Patent number: 11627208
    Abstract: There is provided in the present disclosure a method for management of an Internet of things, including: receiving first sensing data from a first sensing device, and converting the first sensing data that confirms to a first type of data transmission protocol into first sensing data that confirms to a third type of data transmission protocol; receiving second sensing data from a second sensing device, and converting the second sensing data that conforms to a second type of data transmission protocol into second sensing data that conforms to a third type of data transmission protocol, wherein the second type of data transmission protocol is different from the first type of data transmission protocol; and generating display data of the predetermined environment model including an updated first sub-model and/or an updated second sub-model, based on the first sensing data, the second sensing data and the predetermined environment model.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: April 11, 2023
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Hongli Li
  • Patent number: 11626059
    Abstract: A display device comprising a plurality of pixels arranged in multiple rows and multiple columns. The multiple pixel columns are connected with a plurality of source signal lines respectively. The pixels of odd-numbered rows in the same pixel column are connected with the source signal lines on a first side of the pixel column. The pixels of even-numbered rows in the same pixel column are connected with the source signal lines on a second side of the pixel column opposite the first side. A display control method comprising the steps of determining and storing target pixel potential data which comprises a target pixel potential for each of the plurality of source signal lines; and setting a potential of each source signal line as the target pixel potential corresponding to the source signal line in an interval zone between two adjacent frames.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: April 11, 2023
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunheng Zhang, Yizhan Han, Jun Wang, Jianwei Sun, Liugang Zhou
  • Patent number: 11621281
    Abstract: A display substrate includes a base substrate; a gate metal pattern including a gate electrode of a thin film transistor and gate lines; a source-drain metal pattern including a source electrode and a drain electrode of the thin film transistor, and data lines, where the gate line cross the data line, to define a plurality of pixel regions arranged in an array form; and a first transparent metal pattern including a common electrode pattern. A minimum distance between each gate line and common electrode patterns in a row of pixel regions located in a same row as the gate line in a first direction is a first spacing, a minimum distance between the gate line and common electrode patterns in the other row of pixel regions adjacent to the gate line in the first direction is a second spacing, and the first spacing is greater than the second spacing.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: April 4, 2023
    Assignees: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zexu Liu, Jincheng Gao, Tao Zhu, Zhiqiang Hu, Qi Liu, Lixing Zhao, Liang Chen
  • Patent number: 11605360
    Abstract: Circuit and method for preventing screen flickering, a drive circuit for a display panel, and a display apparatus are provided, relating to the field of display technology. The circuit for preventing screen flickering includes a control sub-circuit configured to control a gate drive circuit of the display panel to output a gate cut-off level during a power-on period of the display panel. The gate drive circuit of the display panel is controlled to output the gate cut-off level during the power-on period, the gate cut-off level is provided to gate lines of the display panel such that TFTs connected to the gate lines are in cut-off state during the power-on period.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: March 14, 2023
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiuqin Yang, Rongcheng Liu, Peng Zhao, Huiming Wang, Jing Ma, Siying Lu, Chao Kong
  • Patent number: 11600220
    Abstract: The disclosure discloses a timing controller board, a main control board, a display device and a detection method thereof. The timing controller board outputs a second level signal transmitted by a first fixed potential signal pin to the main control board through a detection circuit when a first data signal pin outputs a first level signal; the main control board loads a second potential signal transmitted by a second fixed potential signal pin to a second data signal pin and a clock signal pin through a switching circuit upon receiving the second level signal, to cause the main control board to stop sending a data signal to the timing controller board through the second data signal pin and stop sending a clock signal to the timing controller board through the clock signal pin.
    Type: Grant
    Filed: October 11, 2021
    Date of Patent: March 7, 2023
    Assignees: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tianxun Xiu, Changcheng Liu, Yanping Liao, Yinlong Zhang, Ming Deng, Guohuo Su, Jiantao Liu
  • Patent number: 11581413
    Abstract: A thin film transistor, an array substrate and a display device. The thin film transistor includes a gate electrode, a first electrode, and a second electrode on the base substrate. The gate electrode includes a first body portion and a first extension portion extending along the first direction, electrically connected with the first body portion, and spaced apart from the first body portion by a first spacing. The first electrode includes a first overlapping end, an orthographic projection of the first overlapping end on the base substrate at least partially overlaps with an orthographic projection of the first body portion on the base substrate; a first compensation end at a side of the first overlapping end away from the first body portion; and a first intermediate portion connecting the first overlapping end and the first compensation end.
    Type: Grant
    Filed: October 13, 2020
    Date of Patent: February 14, 2023
    Assignees: 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: 11573446
    Abstract: Disclose are a display substrate, a liquid crystal display panel and a display device. The display substrate is provided with a display region. The display substrate includes: a base substrate, and a black matrix arranged on a side of the base substrate. The black matrix includes: a first region corresponding to the display region, and a plurality of frame regions arranged on a periphery of the first region. At least one rectilinear first slit and at least one rectilinear second slit intersecting with the at least one rectilinear first slit are arranged in the at least one of the frame regions, and an extending direction of the at least one rectilinear first slit is same as an extending direction of the at least one of the frame regions.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: February 7, 2023
    Assignees: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Min Cheng, Ke Dai, Haipeng Yang, Maoxiu Zhou, Xiaoting Jiang, Chunxu Zhang
  • Patent number: 11573470
    Abstract: The present disclosure relates to a display panel and a display device. The display panel comprises: a display liquid crystal panel comprising a plurality of sub-pixels defined by a first grid structure and arranged in an array; a dimming liquid crystal panel located on a light incident side of the display liquid crystal panel and stacked with the display liquid crystal panel, the dimming liquid crystal panel comprising a plurality of dimming pixels defined by a second grid structure and arranged in an array; wherein the second grid structure comprises a plurality of shading lines which extend in a waveform along a row direction and have the same period, and a waveform phase difference ?? of any two adjacent shading lines meets: 0<|??|<?.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: February 7, 2023
    Assignees: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yue Du, Yuanhui Guo, Lei Guo, Ke Dai
  • Patent number: 11569271
    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: Grant
    Filed: July 10, 2020
    Date of Patent: January 31, 2023
    Assignees: 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: 11567361
    Abstract: The present disclosure relates to the field of display technology, and provides a display module and a display device. The display module includes a first display sub-panel, where the first display sub-panel includes: a first display sub-panel including a plurality of first pixel units; and a second display sub-panel arranged at a light-entering side of the first display sub-panel and including a plurality of second pixel units. Each second pixel unit corresponds to at least one first pixel unit, an orthogonal projection of each second pixel unit onto the first display sub-panel coincides with the corresponding first pixel unit, and the second display sub-panel is a vertical-electric-field-type liquid crystal display panel.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: January 31, 2023
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zuquan Hu, Peng Jiang, Ke Dai, Yue Du, Rongcheng Liu
  • Patent number: 11566142
    Abstract: A conductive ink is provided, which includes an ink solvent and a conductive composition dispersed in the ink solvent. The conductive composition includes a silver nanoparticle and a molecular chain of polyaniline formed on a surface of the silver nanoparticle. A method for preparing a conductive ink and a flexible display device are further provided. The conductive ink has good film forming property and good conductivity.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: January 31, 2023
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hao Chen, Wei Zhang, Xingfu Zhang
  • Patent number: 11561444
    Abstract: A display panel and a display device are disclosed. The display panel includes a plurality of sub-pixels arranged in an array; gate line light shielding parts extending in a row direction are arranged on horizontal non-display areas between every two adjacent rows of sub-pixels; vertical non-display areas are arranged between every two sub-pixels adjacent in a row direction; at least one of the vertical non-display areas is provided with a vertical light shielding part, and the vertical light shielding part is configured to prevent two sub-pixels on two sides, in the row direction, of the vertical light shielding part from light leakage at a junction; and a gap is formed between the vertical light shielding part and each of two gate line light shielding parts adjacent to the vertical light shielding part.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: January 24, 2023
    Assignees: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jilei Gao, Wei Zhang, Miao Yu, Benzhi Xu, Chao Li, Qi Liu, Xipeng Wang, Yonggang Zhang
  • Publication number: 20230013193
    Abstract: The present application provides a color film substrate, a display device, and a color film substrate fabricating method. The color film substrate comprises a display region and a non-display region, wherein the color film substrate in the non-display region comprises: a base; and a photoresist layer disposed on the base; a planarization layer disposed on a side of the photoresist layer away from the base; a support layer disposed on a side of the planarization layer away from the base; wherein a total thickness of the photoresist layer, the planarization layer, and the support layer is greater than or equal to a first thickness threshold.
    Type: Application
    Filed: September 9, 2022
    Publication date: January 19, 2023
    Applicants: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xianshu YU, Lei GUO
  • Patent number: 11556022
    Abstract: The embodiments of the present disclosure provide a liquid crystal display device. The liquid crystal display device includes: a display panel, including a display region and a non-display region surrounding the display region; a back plate, arranged opposite to the display panel, where the back plate comprises a bottom wall and a side wall extending from the bottom wall to one side of the display panel; a backlight source, arranged between the display panel and the back plate, where the backlight source comprises a light source arranged on the bottom wall of the back plate and a diffusion plate arranged on a light emitting side of the light source; and a middle frame, where the middle frame comprises a first support part, and a second support part connected with one side, deviating from the display panel, of the first support part.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: January 17, 2023
    Assignees: Hefei BOE Display Technology Co., Ltd., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Wenbo Dong, Jianming Liu, Wei Kang, Chaoyue Wang
  • Patent number: 11536560
    Abstract: An optical apparatus includes a coherent light source; a transmission assembly configured to receive light emitted by the coherent light source, split the light into object light and reference light so that the object light and the reference light travel along different paths receive object light reflected by an object to be measured, and combine the object light reflected by the object to be measured and the reference light; and a photosensitive camera disposed at an output of the transmission assembly, and configured to receive combined light and process the combined light to record light intensity information capable of characterizing a spatial position of a surface of the object to be measured.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: December 27, 2022
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuntian Zhang, Chunxu Zhang, Zhonghou Wu, Qiong Zhang, Ke Dai, Haipeng Yang, Peng Jiang
  • Patent number: 11515058
    Abstract: There is provided a conductive film, a production method thereof, and a display apparatus. The conductive film comprises: nanometal as a filling material; and oxidized nanocellulose as a matrix material. The nanometal/oxidized nanocellulose composite conductive film may be used in flexible display.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: November 29, 2022
    Assignees: Hefei BOE Display Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Hao Chen, Wei Zhang, Xiaotong Zhang
  • Patent number: 11508932
    Abstract: The present disclosure relates to a package structure, a display panel, a display device, and a method for detecting a package structure. The package structure includes a first package layer and a second package layer disposed opposite to each other, and a sealing element between the first package layer and the second package layer for forming a sealed space between the first package layer and the second package layer. The package structure further includes a detecting element located in the sealed space, the detecting element including an oxygen sensitive material, the oxygen sensitive material including a material whose light emission characteristics are changed after exposure to oxygen.
    Type: Grant
    Filed: February 14, 2018
    Date of Patent: November 22, 2022
    Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., HEFEI BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Dong Xu, Yajun Li, Kai Wang, Feng Yu