Patents Assigned to BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
  • Patent number: 11876102
    Abstract: The present disclosure provides a display substrate, a display panel and a display apparatus, belonging to the field of display technology. The display substrate includes a base, a plurality of common electrodes and a plurality of common electrode lines, the common electrodes are distributed on the base in an array, the common electrode lines extend along a row direction, and each common electrode line is connected to a corresponding row of common electrodes. The common electrode line is connected to the common electrode through a conductive connection portion, and the conductive connection portion includes conductive structures stacked on top of one another in a plurality of layers. The display substrate can reduce the resistance between the common electrode and the common electrode line, thereby reducing the voltage difference between the common electrodes in the display substrate and improving the uniformity of the common voltage therein.
    Type: Grant
    Filed: January 19, 2023
    Date of Patent: January 16, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xue Wang, Xiao Wang, Yan Yan, Tingting Wang, Yaya Qi, Xiaoying Li, Zhiqiang Ma
  • Patent number: 11874565
    Abstract: A display substrate, a manufacturing method thereof and a display device are provided. The display substrate includes a display region and a peripheral region surrounding the display region, and includes: a common electrode line extending in a first direction on a base substrate and arranged at the display region and the peripheral region; a first conductive pattern arranged at the peripheral region and electrically connected to the common electrode line; an insulation layer covering the first conductive pattern and the common electrode line, a via-hole being formed in the insulation layer, an orthogonal projection of the via-hole onto the base substrate not overlapping an orthogonal projection of the common electrode line onto the base substrate; and a second conductive pattern arranged at the peripheral region and at a side of the insulation layer distal to the first conductive pattern, and electrically connected to the first conductive pattern through the via-hole.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: January 16, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Chunguang Tian, Tianyu Xia, Xiaolong Li
  • Patent number: 11868009
    Abstract: A liquid crystal display panel includes a first polarizer, a second polarizer, a liquid crystal layer including first liquid crystal molecules, a first optical compensation layer between the liquid crystal layer and any of the first polarizer and the second polarizer, a second optical compensation layer on a same side of the liquid crystal layer as the first optical compensation layer. In a non-powered state of the liquid crystal display panel orthographic projections of optical axes of the first liquid crystal molecules on the first polarizer, which are perpendicular to an orthographic projection of an optical axis of the first optical compensation layer on the first polarizer, are parallel to any of transmission axes of the first polarizer and the second polarizer that are perpendicular to each other. An optical axis of the second optical compensation layer is perpendicular to a plane where the second optical compensation layer is located.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: January 9, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bowen Li, Feifei Wang, Hongming Zhan, Kaixuan Wang, Lintao Ji, Xinli Ma, Xiaofeng Yin
  • Patent number: 11869898
    Abstract: An array substrate and display device are provided. The array substrate includes a base substrate, and gate lines, data lines, compensation blocks and sub-pixels located on the base substrate. Two gate lines are arranged between two adjacent rows of sub-pixels. The data lines are provided with multiple first extensions and second extensions arranged alternately. The extending direction of the first extensions intersects with the extending direction of the second extensions. The gate lines and data lines define multiple first pixel areas and second pixel areas on the base substrate. Two sub-pixels are arranged in the first pixel area, and one sub-pixel is arranged in the second pixel area. The multiple first pixel areas are arranged in an array, the multiple second pixel areas are arranged in two columns, and multiple columns of the first pixel areas are located between the two columns of the second pixel areas.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: January 9, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Wenkai Mu, Shijun Wang, Yi Liu, Bo Feng, Yang Wang, Zhan Wei, Li Tian
  • Publication number: 20240005889
    Abstract: A display panel includes a plurality of sub-pixels and a plurality of gate lines. The plurality of sub-pixels are arranged in an array in a row direction and a column direction, and each row of sub-pixels includes sub-pixels of a first color, sub-pixels of a second color and sub-pixels of a third color. The plurality of gate lines includes first gate lines and second gate lines alternately arranged in the column direction, a first gate line and a second gate line adjacent to each other form a gate line pair, and two gate lines in the gate line pair are coupled to a same row of sub-pixels. In the same row of sub-pixels, sub-pixels of the first color are coupled to the first gate line.
    Type: Application
    Filed: March 31, 2021
    Publication date: January 4, 2024
    Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaona LIU, Yu MA, Weitao CHEN
  • Patent number: 11860574
    Abstract: A holographic optical apparatus includes a beam splitting component, a transmission assembly, a focal length modulation component and an optical element. The beam splitting component splits received light into reference light and signal light that are coherent light, and outputs the reference light and the signal light. The focal length modulation component includes a plurality of local length modulation regions with different focal lengths. The optical element includes a recording medium layer with a plurality of recording regions, and each recording region is located in a light-exit path of a focal length modulation region. The transmission assembly is disposed in a light-exit path of the beam splitting component, transmit the reference light to the plurality of recording regions and transmit the signal light to the plurality of focal length modulation regions.
    Type: Grant
    Filed: May 25, 2020
    Date of Patent: January 2, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD
    Inventors: Xiaoru Liu, Hongshu Zhang, Jun Wu, Xiaoling Xu, Hebin Zhao
  • Patent number: 11862060
    Abstract: A shift register, a gate drive circuit and a display device. During forward scanning, the first input circuit supplies a signal of a first reference signal terminal to a first node in response to a signal of a first input signal terminal at an input phase, and the second input circuit supplies a signal of a second reference signal terminal to the first node in response to a signal of a second input signal terminal at a reset phase; and during reverse scanning, the second input circuit supplies the signal of the second reference signal terminal to the first node in response to the signal of the second input signal terminal at the input phase, and the first input circuit supplies the signal of the first reference signal terminal to the first node in response to the signal of the first input signal terminal at the reset phase.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: January 2, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yan Yan, Xu Wang, Weitao Chen, Yu Ma, Zhiqiang Ma, Shunsha Lu
  • Patent number: 11862061
    Abstract: The present disclosure provides a shift register, a gate driving circuit and a display panel. The shift register includes a transistor, which includes a gate electrode, a gate insulating layer, an active layer, a first electrode and a second electrode; the first and second electrode are of comb-shaped structures; the first electrode includes first and second comb tooth portions arranged at intervals, and a first comb handle portion connecting the first and second comb tooth portions; and comb tooth electrodes of the first comb tooth portions have a different length from those of the second comb tooth portions; the second electrode includes third and fourth comb tooth portions arranged at intervals, and a second comb handle portion connecting the third and fourth comb tooth portions; the first and third comb tooth portions form an inter-digital structure, the second and fourth comb tooth portions form an inter-digital structure.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: January 2, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tingting Wang, Qi Wang, Yan Yan
  • Patent number: 11852942
    Abstract: Disclosed are a display device and a driving method for a display device. The display device includes a display component and a light control component. The light control component has a plurality of light control pixels arranged in an array. Each of the light control pixels at least covers one of the display pixels. Each of the light control pixels is configured to switch between a first state and a second state. When the light control pixel is in the first state, external ambient light that has passed through the first polarizer does not change polarization state after passing through the light control pixel. When the light control pixel is in the second state, external ambient light that has passed through the first polarizer is adjusted, after passing through the light control pixel, to be linearly polarized light perpendicular to the light transmission axis of the reflective polarizer.
    Type: Grant
    Filed: April 8, 2021
    Date of Patent: December 26, 2023
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Mengjie Wang, Xiaona Liu, Yuqiong Chen, Rui Zhang, Yujia Sun, Jingjing Jiang
  • Patent number: 11852851
    Abstract: Provided are an optical compensation strip, a display panel, a display device and a driving method, and relates to the display technology field. The optical compensation strip is applicable to a spliced display panel. The optical compensation strip may comprise: a display cover plate, and at least two prisms disposed opposite to the display cover plate. A gap exists between each prism and the display cover plate. The at least two prisms are configured for refracting light emitted from the two adjacent sub-display panels to an area of the display cover plate corresponding to the seam.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: December 26, 2023
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jianting Wang, Zhanchang Bu, Rui Guo, Zhiming Meng, Junning Su, Jianzi He
  • Patent number: 11846848
    Abstract: A display apparatus includes: a display panel; a backlight assembly including a light source; and an optical film group including: a functional material layer; wherein: the light source is configured to emit a white light; and the functional material layer is configured to absorb light in at least one of a range of 480 nm-520 nm or a range of 575 nm-600 nm to thereby reshape the white light to have blue, red, and green peaks; and the display apparatus further includes a polarizer (POL) including one or more polarizer sub-layers, wherein the functional material layer and one of the one or more polarizer sub-layers are configured as one same layer.
    Type: Grant
    Filed: April 10, 2022
    Date of Patent: December 19, 2023
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xibin Shao, Dongchuan Chen, Yanping Liao
  • Patent number: 11846856
    Abstract: An array substrate has a plurality of sub-pixel regions. The array substrate includes a base substrate, gate lines disposed on a side of the base substrate and extending in a first direction, pixel electrodes each disposed in a respective one of the sub-pixel regions, and common electrodes disposed on a side, facing away from the base substrate, of the pixel electrodes and the gate lines. An orthographic projection of at least one common electrode on the base substrate at least partially overlaps with an orthographic projection of at least one gate line adjacent to the at least one common electrode on the base substrate, or a border of an orthographic projection of at least one common electrode on the base substrate partially overlaps with a border of an orthographic projection of at least one gate line adjacent to the at least one common electrode on the base substrate.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: December 19, 2023
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jianhua Huang, Zhihua Sun, Yingying Qu, Ting Dong, Yifu Chen, Lingdan Bo
  • Publication number: 20230401987
    Abstract: A gate driving circuit is provided, including N-stages of cascaded shift registers divided into at least one group of K-stages in which a clock signal terminal of a k-th stage of shift register is connected to receive a k-th clock signal, where 1?k?K?N; and an input signal terminal of a n-th stage is connected to an output signal terminal of a (n?i)-th stage, and reset signal terminals of the n-th and (n+1)-th stages are connected to an output signal terminal of a (n+j)-th stage, where 1<n<N, (K?2)/2?i?K/2, and K/2<j?K?2. K=12, the input signal terminal of the n-th stage is connected to an output signal terminal of a (n?6)-th stage, and the reset signal terminals of the n-th stage and the (n+1)-th stage are connected to an output signal terminal of a (n+8)-th stage or a (n+10) stage.
    Type: Application
    Filed: August 29, 2023
    Publication date: December 14, 2023
    Applicants: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Qiujie Su, Zhihua Sun, Yingmeng Miao, Yinlong Zhang, Feng Qu, Seungmin Lee, Yanping Liao, Xibin Shao
  • Patent number: 11829035
    Abstract: A display apparatus includes an array substrate; a counter substrate facing the array substrate; a liquid crystal layer between the array substrate and the counter substrate; at least one optical compensation film between the array substrate and the counter substrate, extending throughout a display area of the display apparatus; a control electrode between the array substrate and the counter substrate, extending throughout the display area of the display apparatus; and a back light configured to provide light for image display. The liquid crystal layer in a dark state has a first phase retardation. Under control of the control electrode, the at least one optical compensation film gives a second phase retardation when the liquid crystal layer is in the dark state. A sum of the first phase retardation and the second phase retardation is substantially same as an integral multiple of a wavelength of light emitted from the back light.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: November 28, 2023
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.
    Inventors: Feifei Wang, Xibin Shao, Hongming Zhan, Lintao Ji, Xiaochun Xu
  • Patent number: 11829030
    Abstract: A backlight module and a display device are provided, and the backlight module includes: a substrate; a plurality of light-emitting elements arranged in an array on the substrate; and a reflective supporting structure on the substrate, wherein the reflective supporting structure has a plurality of openings, the plurality of openings correspond to the plurality of light-emitting elements one-to-one, and each of the plurality of light-emitting elements is accommodated in one of the plurality of openings, wherein the reflective supporting structure is configured to reflect light from the plurality of light-emitting elements, so that an angle between an exit direction of the reflected light and a first direction perpendicular to the substrate is less than a predetermined angle.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: November 28, 2023
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Honghao Yu, Lili Jia, Donglei Li, Ying Chen, Hui Liu, Jie Gao, Jiaxin Li
  • Patent number: 11830763
    Abstract: A method of manufacturing thin film transistor(s) includes: providing a monocrystalline silicon wafer, the monocrystalline silicon wafer including a first surface and a second surface that are opposite to each other; forming a bubble layer between the first surface and the second surface of the monocrystalline silicon wafer, the bubble layer dividing the monocrystalline silicon wafer into two portions arranged side by side in a direction perpendicular to the second surface, and a portion of the monocrystalline silicon wafer that is located between the bubble layer and the second surface being a monocrystalline silicon film having a target thickness; providing a substrate, and transferring the monocrystalline silicon film onto the substrate by breaking the monocrystalline silicon wafer at the bubble layer; and patterning the monocrystalline silicon film transferred to the substrate to form active layer(s) of the thin film transistor(s).
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: November 28, 2023
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shan Zhang, Lianjie Qu, Yonglian Qi, Hebin Zhao
  • Patent number: 11829540
    Abstract: An array substrate and a touch display device are provided. In the array substrate, a first control unit and a second control unit are arranged opposite to each other in a first direction. A plurality of touch sensor blocks includes a first group of electrode blocks and a second group of electrode blocks arranged in the first direction, and a plurality of touch signal lines includes a first group of touch signal lines and a second group of touch signal lines arranged in the first direction. The touch signal lines in the first group of touch signal lines are coupled to the touch sensor blocks in the first group of electrode blocks respectively; and the touch signal lines in the second group of touch signal lines are coupled to the touch sensor blocks in the second group of electrode blocks respectively.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: November 28, 2023
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qiujie Su, Yanping Liao, Yingmeng Miao, Chongyang Zhao, Bo Hu, Xiaofeng Yin
  • Patent number: 11830398
    Abstract: A shift register circuit includes a first pull-down control sub-circuit and a first noise reduction sub-circuit. The first pull-down control sub-circuit includes a first transistor and a second transistor, and a ratio of a width-to-length ratio of a channel of the second transistor to a width-to-length ratio of a channel of the first transistor is greater than 5:1. The first pull-down control sub-circuit transmits, in response to a first voltage signal received at a first voltage signal terminal, the first voltage signal to a first pull-down node through the first transistor, and transmits a second voltage signal received at a second voltage signal terminal to the first pull-down node through the second transistor under control of a voltage of a pull-up node. The first noise reduction sub-circuit transmits the second voltage signal to the pull-up node under control of a voltage of the first pull-down node.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: November 28, 2023
    Assignees: Beijing Boe Display Technology Co., LTD., Boe Technology Group Co., LTD.
    Inventors: Yan Yan, Yu Ma, Weitao Chen, Xiaopeng Cui
  • Patent number: 11823640
    Abstract: The present disclosure provides a display substrate and a display device. The display substrate includes: a gate driving circuitry arranged at a peripheral region of the display substrate; n clock signal leads coupled to the gate driving circuitry, each clock signal lead extending in a first direction; and n clock signal lines arranged sequentially in the first direction, each clock signal line extending in a second direction intersecting the first direction, where n is a positive integer greater than 1. The clock signal leads have a same length in the first direction, each clock signal lead extends from a first clock signal line to an nth clock signal line, and each clock signal lead is coupled to a corresponding clock signal line at a position where the clock signal lead intersects the clock signal line.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: November 21, 2023
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Chongyang Zhao, Yingmeng Miao, Qiujie Su, Zhihua Sun, Wenjie Hou, Feng Qu
  • Publication number: 20230371171
    Abstract: The present application provides a display module and a display device. The display module is applied to a glasses-free 3D display device including a drive circuit board, and the drive circuit board includes at least one first connection buckle; the display module includes a display panel and at least one flexible printed circuit board; the flexible printed circuit board includes a first end and a second end opposite to each other, the first end includes a plurality of bonding parts; the display panel includes a plurality of to-be-bonded parts; each of the bonding parts is bonded to a corresponding to-be-bonded part; the second end includes a second connection buckle; and the second connection buckle is clamped and electrically connected with the first connection buckle.
    Type: Application
    Filed: March 4, 2022
    Publication date: November 16, 2023
    Applicants: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yuanye Chen, Fei Dong, Xiang Li