Patents Assigned to BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
  • Patent number: 11927878
    Abstract: Provided is a projection screen. The projection screen includes a first transparent cover plate, a transparent touch panel, and a first nanoparticle layer, wherein the first nanoparticle layer and the first transparent cover plate are sequentially laminated on one side of the transparent touch panel, and the first nanoparticle layer comprises a plurality of dispersed nanoparticles of different particle sizes. A method for manufacturing a projection screen, a projection display system, and a projection display method are also provided.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: March 12, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangyun Tong, Yu Zhang, Zhuolong Li, Xuefei Qin, Junning Su
  • Patent number: 11928282
    Abstract: The driving method includes: inputting a first scanning signal to each of the first touch electrodes at a same time, and receiving a first sensing signal of each of the second touch electrodes to determine a suspected column according to the first sensing signal; inputting a second scanning signal to each of the second touch electrodes at a same time, and receiving a second sensing signal of each of the first touch electrodes to determine a suspected row according to the second sensing signal; determining a suspected touch region according to the suspected column and the suspected row; and sequentially inputting a third scanning signal row by row to each of the first touch electrodes in the suspected touch region, and receiving a third sensing signal of each of the second touch electrodes in the suspected touch region to determine a touch position according to the third sensing signal.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: March 12, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Rui Guo, Lihui Han, Junning Su, Zhanchang Bu, Hetao Wang
  • Patent number: 11921378
    Abstract: The present disclosure relates to an electrode structure and a display panel. The electrode structure includes: first and second electrode portion and a conductive connection portion. The first electrode portion includes a first connection bar and first electrode bars. The first connection bar has a first side and a second side. The first electrode bars are located on the first side and connected to the first connection bar, and ends of adjacent first electrode bars away from the first connection bar are in an open shape. The second electrode portion includes a second connection bar and a second electrode bars. The second connection bar has a third side and a fourth side. The second electrode bars are located on the third side and connected to the second connection bar, and ends of adjacent second electrode bars away from the second connection bar are in an open shape.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: March 5, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yifu Chen, Yingying Qu, Ting Dong, Jianhua Huang, Lingdan Bo, Feng Qu
  • Patent number: 11922894
    Abstract: Provided are a driving method of a display apparatus, a driving apparatus, an electronic device and a storage medium. The display apparatus includes a first display panel and a second display panel disposed on a light-emitting side of the first display panel, wherein the first display panel is divided into a plurality of pixel blocks; and the driving method includes: acquiring an angle between a user's eye and each pixel block and initial brightness data corresponding to the first display panel; determining misalignment information corresponding to each pixel block according to the angle between the user's eye and each pixel block; correcting the initial brightness data according to the misalignment information corresponding to each pixel block to obtain corrected brightness data; and outputting the corrected brightness data to the first display panel.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: March 5, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventor: Chunbing Zhang
  • Patent number: 11921388
    Abstract: Provided are an array substrate and a manufacturing method thereof, and a display device. The array substrate comprises a plurality of data lines and sub-pixels. At least one sub-pixel comprises: a first insulating layer; a gate; an active layer located on one side of the first insulating layer away from the gate; a pixel electrode; a first electrode located connected to the active layer and in contact with the pixel electrode; a second electrode connected to the active layer and a data line; a second insulating layer having a first opening, wherein the orthographic projection of the first opening partially overlaps with the orthographic projections of the pixel electrode and the first electrode; a connection electrode in contact with the pixel electrode and the first electrode through the first opening; and a common electrode located on one side of the second insulating layer away from the pixel electrode.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: March 5, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Wenjie Hou, Yingmeng Miao, Qiujie Su, Chongyang Zhao, Feng Qu
  • Patent number: 11921376
    Abstract: A liquid crystal display panel includes: a first base, a second base disposed opposite to the first base, a liquid crystal layer and a first optical compensation layer that are disposed between the first base and the second base, and a second optical compensation layer disposed on a side of the first base away from the liquid crystal layer or on a side of the second base away from the liquid crystal layer. An orthogonal projection of an optic axis of the first optical compensation layer on the first base is parallel to orthogonal projections of optic axes of liquid crystal molecules in the liquid crystal layer on the first base. An orthogonal projection of an optic axis of the second optical compensation layer on the first base is perpendicular to the orthogonal projection of the optic axis of the first optical compensation layer on the first base.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: March 5, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD
    Inventors: Lintao Ji, Feifei Wang, Kaixuan Wang, Hongming Zhan, Bowen Li, Jiao Li, Xibin Shao
  • Publication number: 20240069377
    Abstract: A light guide component, a display device, a method for manufacturing the display device are provided. The light guide component includes an upper light guide portion including a light-emission surface and a refraction surface, and a lower light guide portion including a light incident surface and a reflection surface. The light guide component is configured to: allow a first deflected light entering the light incident surface to be projected onto one of the refraction surface and the light-emission surface, refracted by one of the refraction surface and the light-emission surface and emitted out of the light guide component; and allow a second deflected light entering the light incident surface to be projected onto the reflection surface, reflected to one of the refraction surface and the light-emission surface by the reflection surface, refracted by one of the refraction surface and the light-emission surface and emitted out of the light guide component.
    Type: Application
    Filed: March 11, 2022
    Publication date: February 29, 2024
    Applicants: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Changjia FU, Dan LI, Haijun SHI, Bochang WANG, Enliang ZHANG
  • Patent number: 11914917
    Abstract: A tiled display apparatus includes a main display driving board and display modules. Each display module includes a system board. The main display driving board is coupled to a first stage system board. The main display driving board is configured to receive a display signal, acquire a main screen region display signal, and transmit the main screen region display signal to the first stage system board. The system board is configured to receive the main screen region display signal, and extract a group of main screen region display data corresponding thereto from the main screen region display signal to control a display module to which the system board belongs to display an image according to the main screen region display data. Except for a last stage system board, remaining system boards are each further configured to transmit the received main screen region display signal to a next stage system board.
    Type: Grant
    Filed: April 8, 2021
    Date of Patent: February 27, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shou Li, Enliang Zhang, Jiakun Qi, Zhankun Meng, Hengyu Yan, Junning Su, Hanzhang Niu
  • Patent number: 11906827
    Abstract: Provided is a method for determining a light-leakage degree of a display panel, applicable to a light-leakage detecting device, wherein a display region of the display panel comprises a plurality of sub-regions, and the method includes: acquiring a brightness value of each of the sub-regions when a target color is displayed in the display region; and determining, in response to detecting that the plurality of sub-regions comprise at least one light-leakage sub-region, the light-leakage degree of the display panel based on an average of brightness values of the plurality of sub-regions and a brightness value of the light-leakage sub-region.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: February 20, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Hanyan Sun, Minghui Zhang, Weitao Chen, Xiaopeng Cui
  • Patent number: 11906841
    Abstract: A polarizing device and a method for manufacturing the polarizing device, a display panel and a display device are provided. The polarizing device comprises a first polarizing layer and at least two second polarizing layers, wherein each of two sides of the first polarizing layer is provided with respective at least one of the second polarizing layers; a light transmission axis of the first polarizing layer is parallel to the first polarizing layer, a phase delay axis of the second polarizing layer is parallel to the second polarizing layer, an orthographic projection of the light transmission axis onto the first polarizing layer intersects with an orthographic projection of the phase delay axis onto the first polarizing layer to form an included angle, the included angle is configured to convert linear polarized light incident on the polarization assembly into polarized light emitted from the polarization assembly.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: February 20, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Fan Yang, Jingxuan Wang, Xu Wang, Huiyan Li, Yu Zhang
  • Patent number: 11910522
    Abstract: A flexible circuit board, a method for manufacturing the flexible circuit board, and a display device are provided. The flexible circuit board includes: a plurality of driving signal lines arranged with mutually insulate-gates, wherein the driving signal lines comprise at least two voltage signal lines arranged adjacent to each other; at least one isolation protecting line, the isolation protecting line being located between the two voltage signal lines arranged adjacent to each other.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: February 20, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tingting Wang, Qi Wang, Yan Yan
  • Patent number: 11906850
    Abstract: Embodiments of the present disclosure provide a liquid crystal display panel and a display device. The panel comprises a first and second polarizers, a liquid crystal layer, a first and second optical compensation films. The liquid crystal layer is disposed between the opposite first and second polarizers; the first optical compensation film is located between the first polarizer and the liquid crystal layer, and an optical axis of the first optical compensation film is parallel to a plane where the first optical compensation film is in; and the second optical compensation film is located between the first and second polarizers, an optical axis of the second optical compensation film is parallel to a plane where the second optical compensation film is in and perpendicular to the optical axis of the first optical compensation film, and in-plane retardations of the first and second optical compensation films are equal.
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: February 20, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lintao Ji, Feifei Wang, Kaixuan Wang, Bowen Li, Xinli Ma, Jiao Li
  • Patent number: 11899318
    Abstract: A display substrate is provided, including: a base substrate; a plurality of sub-pixels arranged on the base substrate in an array in a row direction and a column direction; a plurality of post spacers arranged at intervals on the base substrate, wherein the plurality of post spacers include at least one main post spacer and a plurality of sub post spacers, and each main post spacer has a height greater than that of each sub post spacer. Each sub-pixel has at most one post spacer provided therein, the plurality of sub-pixels include a main sub-pixel provided with the main post spacer and a sub sub-pixel provided with the sub post spacer, and the plurality of sub-pixels further include at least one mark sub-pixel adjacent to the main sub-pixel in the row direction or the column direction, the at least one mark sub-pixel is provided with no post spacer.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: February 13, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuqiong Chen, Rui Zhang, Hongshu Zhang
  • Patent number: 11899304
    Abstract: A liquid crystal display panel (100) comprises a first polarizer (110) and a second polarizer (170), a first liquid crystal layer (130) disposed between the first polarizer (110) and the second polarizer (170), and an optical compensation layer (140) disposed between the first liquid crystal layer (130) and one of the first polarizer (110) and the second polarizer (170). A transmission axis of the first polarizer (110) is perpendicular to a transmission axis of the second polarizer (170). The first liquid crystal layer (130) includes first liquid crystal molecules (130?). An included angle (?) between an orthographic projection of an optical axis of a first liquid crystal molecule (130?) on the first polarizer (110), which is perpendicular to an orthographic projection of an optical axis of the optical compensation layer (140) on the first polarizer (110), and the transmission axis of the first polarizer (110) is an acute angle.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: February 13, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Feifei Wang, Lintao Ji, Bowen Li, Hongming Zhan, Kaixuan Wang, Xibin Shao
  • Patent number: 11899868
    Abstract: An array substrate includes multiple pixel electrodes constituting first pixel electrode columns, second pixel electrode columns and third pixel electrode columns, and data lines including first data lines, second data lines and third data lines. A first data line, a first pixel electrode column, a second data line, a second pixel electrode column, a third data line and a third pixel electrode column are arranged in sequence in a row direction. Distances between the first pixel electrode column and the first data line, between the second pixel electrode column and the second data line, between the third pixel electrode column and the third data line, and between the first pixel electrode column and the second data line are a first distance to a fourth distance, respectively. The first distance is less than the fourth distance and greater than the second distance and/or the third distance.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: February 13, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Mengjie Wang, Xiaona Liu, Xibin Shao
  • Patent number: 11892631
    Abstract: Disclosed are a near-eye display device and a near-eye display system. The excitation light source structure provides excitation light to the first waveguide structure, and the outgoing coupling grating structure corresponding to the first waveguide structure receiving the excitation light may be further irradiated by the excitation light, and be excited and output the light with a pixel color corresponding to the first waveguide structure. That is, the outgoing coupling grating structure corresponding to the first waveguide structure receiving the excitation light can derive the light with the corresponding pixel color emitted by the projection-based display, and be excited by the excitation light emitted by the excitation light source structure to output light with a pixel color corresponding to the first waveguide structure.
    Type: Grant
    Filed: February 17, 2020
    Date of Patent: February 6, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xiaoru Liu, Hongshu Zhang, Lianjie Qu, Xiaoling Xu, Jun Wu, Ruiyong Wang, Pingqi Zhang
  • Patent number: 11893955
    Abstract: The present disclosure provides common voltage compensation method and device for display panel, a display panel, and a display device. The display panel includes a common electrode, a common voltage compensation unit, and common electrode lines. The common electrode lines are sequentially numbered according to a distance from the common voltage compensation unit, a number of the common electrode lines is n, and n is an integer greater than 8. The method includes: the common voltage compensation unit providing common voltage to the common electrode; the common voltage compensation unit detecting actual common voltage on one of N1-th common electrode line to N2-th common electrode line, N1 being a value rounded down from n/8, and N2 being a value rounded down from n/4; the common voltage compensation unit compensating the common voltage of the common electrode according to the detected actual common voltage.
    Type: Grant
    Filed: February 7, 2021
    Date of Patent: February 6, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tingting Wang, Qi Wang, Yan Yan, Xue Wang
  • Patent number: 11880524
    Abstract: The present disclosure provides a display touch device and a control method. The display touch device includes a display panel, a display touch driving circuit and a touch operation processing circuit, wherein the display panel includes a plurality of gate lines; the touch operation processing circuit is configured to provide a first touch enable signal to the display touch driving circuit when it is detected that the display touch device is in a touch-only detection state, to control the display touch driving circuit to perform touch detection. The present disclosure can conveniently perform touch detection when the display touch device is in the touch-only detection state.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: January 23, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Cuilan Huang, Yuan Zhang, Jieqiong Wang, Lei Liu, Wei Wang, Jianlong Gao, Bohao Chen
  • Patent number: 11880530
    Abstract: The present disclosure provides a chip-on-film, a display substrate, a display device and a driving method. The display substrate includes a plurality of scanning lines and a plurality of cascaded shift register units coupled to the scanning lines. The display substrate further includes an output control signal line electrically coupled to each shift register unit for providing an enable signal for the shift register unit. The output control signal lines include at least two output control signal lines for providing different enable signals, and two adjacent cascaded shift register units are coupled to different output control signal lines.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: January 23, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yinlong Zhang, Shulin Yao, Wenpeng Ma, Pengfei Hu, Qi Li, Zhihua Sun, Yanping Liao, Xibin Shao
  • Patent number: 11875742
    Abstract: A display drive circuit, a drive method thereof, and a display device are disclosed. The display drive circuit includes: a pixel circuit and a compensation circuit, the pixel circuit includes: a drive transistor, a light emitting device, a storage capacitor, and a gating sub-circuit configured to control connection and disconnection between the control electrode of the drive transistor and a control terminal of the compensation circuit and connection and disconnection between a second electrode of the light emitting device and a sensing terminal of the compensation circuit in response to a signal of a scanning line; the compensation circuit includes: a voltage generating sub-circuit configured to generate a sensing voltage according to the drive current and a target data voltage, and a voltage adjusting sub-circuit configured to adjust a voltage of the control terminal according to the sensing voltage and a voltage of a second power supply terminal.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: January 16, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenpeng Xu, Dianzheng Dong, Qiang Zhang, Guangxing Wang, Haiqin Huang, Wan Lin, Haixu Wang, Leiyang Wang