Patents Assigned to HEFEI BOE DISPLAY TECHNOLOGY CO., LTD.
  • Patent number: 11960163
    Abstract: A light control panel includes a first substrate and a second substrate oppositely disposed, and a first liquid crystal layer therebetween; the first substrate includes: a first base substrate; and a signal transmission line on a side of the first base substrate close to the first liquid crystal layer and in the peripheral area, the second substrate includes: a second base substrate; and a first black matrix layer on a side of the second base substrate close to the first liquid crystal layer and in the dimming area and the peripheral area; the first black matrix layer has a slot in the peripheral area, and an orthographic projection of at least a part of the slot on the first base substrate is on a side of an orthographic projection of the signal transmission line on the first base substrate, close to the dimming area.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: April 16, 2024
    Assignees: Hefei BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoting Jiang, Ke Dai, Haipeng Yang, Chunxu Zhang, Min Cheng, Zhou Rui
  • Publication number: 20240118573
    Abstract: An edge-lit backlight module (7) includes a light guide plate (71), at least one polarizer (72) and at least one light source (73). The light guide plate (71) has side faces (71a). A polarizer (72) is disposed opposite to a side face (71a) of the light guide plate (71). A light source (73) is disposed on a side of a polarizer (72) away from the light guide plate (71). The at least one polarizer (72) is configured to convert light emitted from a light source (73) disposed on a side of the polarizer away from the light guide plate to the light guide plate (71) into linearly polarized light.
    Type: Application
    Filed: March 9, 2021
    Publication date: April 11, 2024
    Applicants: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenbo DONG, Chaoyue WANG, Wei ZHANG, Chao LI
  • Patent number: 11942443
    Abstract: Provided is an array substrate. The array substrate includes at least one pad group disposed in a peripheral region of a base substrate, wherein the at least one pad group includes a sector pad group in which the pads are distributed in a sector shape. Therefore, the bonding yield between the array substrate and the circuit board is increased.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: March 26, 2024
    Assignees: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Chunxu Zhang, Xiaoting Jiang, Min Cheng, Maoxiu Zhou, Haipeng Yang, Ke Dai
  • Patent number: 11934066
    Abstract: A display device and a manufacturing method thereof, an electronic device, and a light control panel are provided. The display device includes a light control panel and a display liquid crystal panel. The display liquid crystal panel is on a light-emitting side of the light control panel; the light control panel includes a light control region, and the light control region is configured to provide adjusted backlight to the display liquid crystal panel; the display liquid crystal panel includes a display region, and the display region is configured to receive the adjusted backlight to perform display; and a distance between two opposite edges of the light control region in at least one direction is greater than a distance between two opposite edges of the display region in the at least one direction.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: March 19, 2024
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuntian Zhang, Zhou Rui, Peng Jiang, Haipeng Yang, Chunxu Zhang, Zhonghou Wu, Li Tian, Ke Dai
  • Patent number: 11934077
    Abstract: Provided is an array substrate which includes a base substrate; a plurality of common electrodes disposed on a side of the base substrate; a plurality of data lines disposed on a side of the base substrate, wherein with respect to each of the data lines, a distance between the data line and a first target common electrode is different from a distance between the data line and a second target common electrode; and a plurality of pixel electrodes arranged in an array and disposed on a side of the base substrate.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: March 19, 2024
    Assignees: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Qi Liu, Zhenkun Yu, Zexu Liu, Wei Zhang, Lu Niu
  • Patent number: 11927853
    Abstract: The embodiments of the present disclosure relate to the field of display technology, and in particular to a display substrate, a display panel, and a display device. The display substrate includes a first electrode, a first wire, and a second wire; the first electrode is provided with a plurality of slits; the first wire is provided on a side of the first electrode, and a first gap is provided between the first wire and the first electrode, and the first wire being electrically connected to the first electrode; a second wire provided on a side of the first electrode away from the first wire, and a second gap being provided between the second wire and the first electrode; wherein each of the slits is provided with a first end and a second end opposed to each other, and the first end is close to the first wire, and the second end is close to the second wire, and a light-transmitting part of the first end is larger than a light-transmitting part of the second end.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: March 12, 2024
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yunfei Liu, Wei Zhang, Jilei Gao, Bin Li, Benzhi Xu, Chao Li, Lu Niu, Qi Liu
  • Publication number: 20240079501
    Abstract: A thin film transistor and a manufacturing method therefor, an array substrate, and a display panel and device. The thin film transistor includes: a gate (11) and an active layer (12) that are located on one side of a base substrate (10); a gate insulation layer (13) located between the gate (11) and the active layer (12); and a source (14) and a drain (15) that are spaced apart and both are in contact with the active layer (12), wherein a first ratio of the thickness of the gate insulation layer (13) and the thickness of the active layer (12) ranges from 3 to 4.
    Type: Application
    Filed: October 22, 2021
    Publication date: March 7, 2024
    Applicants: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qi LIU, Jiantao LIU, Jianbo XIAN, Wei ZHANG, Jincheng GAO, Liangliang JIANG
  • Patent number: 11900856
    Abstract: The present disclosure relates to a protection circuit for a display device, a display device thereof, and a method for protecting a display device using a protection circuit. The display device includes a gate driving circuit, a level shift circuit, and a power management circuit. The level shift circuit is configured to provide an input signal to a signal input terminal of the gate driving circuit. The power management circuit is configured to provide power to the gate driving circuit. The protection circuit is configured to provide a power control signal to the power management circuit based on a current at the signal input terminal of the gate driving circuit, so that the power management circuit stops providing the power to the gate driving circuit.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: February 13, 2024
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jituo Tang, Kun Yang, Zhihua Sun, Feng Qu, Ming Deng, Ruilian Li, Tianxun Xiu, Zhun Lin
  • Patent number: 11899321
    Abstract: The present disclosure provides a liquid crystal display panel and a liquid crystal display device. The liquid crystal display panel includes a plurality of sub-pixels defined by a light shielding matrix, and an array substrate and an opposing substrate arranged to be spaced apart from each other. The opposing substrate includes a first substrate and a plurality of spacers, wherein the spacers are on a side of the first substrate close to the array substrate and being within a light shielding area of the light shielding matrix. The array substrate includes a second substrate and a plurality of protrusion structures, wherein the protrusion structures are on a side of the second substrate close to the opposing substrate, and being within the light shielding area of the light shielding matrix.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: February 13, 2024
    Assignees: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Liangliang Jiang, Heng Li, Lei Guo, Ke Dai, Yanping Liao, Seungmin Lee
  • Patent number: 11892735
    Abstract: An array substrate, a light control panel and a display device are disclosed. The array substrate includes first and second signal lines. The first signal line includes bending-line structures including first to third wire portions; a center lines of the first wire portion intersects with a center line of the second wire portion to form a first angle; the second wire portion includes first and second sides; sides of the first and third wire portions closer to the second signal line respectively intersect with the first side at first, and second positions; sides of an orthographic projection of the second signal line on an electrode layer where the first signal line is located are intersected with the first side at third and fourth positions; a length of a line segment between first and second position is greater than a length of a line segment between third and fourth position.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: February 6, 2024
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ruifeng Zhang, Jincheng Gao, Tao Jiang, Guanyong Zhang
  • Patent number: 11892724
    Abstract: There are provided a display substrate, a method for manufacturing a display substrate, and a liquid crystal display panel, the display substrate includes: a color filter layer disposed on a base; at least one cover layer positioned on a side of the color filter layer away from the base and including a first cover layer which is in contact with the color filter layer; at least one optical compensation layer, where each optical compensation layer is positioned on a side of the first cover layer away from the base and is configured to compensate a phase delay of light emitted from a liquid crystal layer of the liquid crystal display panel; and a spacer positioned on the side of the first cover layer away from the base and being in contact with one of the at least one cover layer.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: February 6, 2024
    Assignees: Hefei BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yajun Li, Tao Yang
  • Patent number: 11886074
    Abstract: A display device and a manufacturing method thereof, an electronic device, and a light control panel are provided. The display device includes a light control panel and a display liquid crystal panel. The display liquid crystal panel is on a light-emitting side of the light control panel; the light control panel includes a light control region, and the light control region is configured to provide adjusted backlight to the display liquid crystal panel; the display liquid crystal panel includes a display region, and the display region is configured to receive the adjusted backlight to perform display; and a distance between two opposite edges of the light control region in at least one direction is greater than a distance between two opposite edges of the display region in the at least one direction.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: January 30, 2024
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuntian Zhang, Zhou Rui, Peng Jiang, Haipeng Yang, Chunxu Zhang, Zhonghou Wu, Li Tian, Ke Dai
  • Patent number: 11847991
    Abstract: There is provided a voltage supply circuit, in which a signal output end of a power management integrated circuit, a signal input end of a transmission branch, and a signal input end of a voltage reduction branch are coupled to a first node; a signal output end of transmission branch and a signal output end of the voltage reduction branch are coupled to a second node; the power management integrated circuit supplies an initial voltage to the first node; the transmission branch is coupled to a control signal terminal, and switch between a conducting state and a cutoff state in response to control of a control signal, and write the initial voltage into the second node in the conducting state; and the voltage reduction branch performs voltage reduction on the initial voltage at the first node to obtain a reduced voltage to be written into the second node.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: December 19, 2023
    Assignees: Hefei BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yunyun Liang, Liugang Zhou, Ke Dai, Liu He, Jianwei Sun, Jun Wang, Qing Li, Yu Quan
  • Patent number: 11835825
    Abstract: The present disclosure provides a display panel, a manufacturing method thereof, and a display device. The display panel includes: a first substrate and a second substrate arranged opposite to each other, and a first spacer located between the first substrate and the second substrate, both ends of the first spacer are in contact with the first substrate and the second substrate respectively; a surface of the first substrate close to the second substrate includes a recess, and an end of the first spacer in contact with the first substrate is embedded in the recess.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: December 5, 2023
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qi Liu, Wei Zhang, Xipeng Wang, Jilei Gao, Yonggang Zhang, Xin Zhou, Chao Li, Bin Li, Benzhi Xu
  • Patent number: 11829040
    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: Grant
    Filed: September 9, 2022
    Date of Patent: November 28, 2023
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xianshu Yu, Lei Guo
  • Publication number: 20230367163
    Abstract: The present disclosure relates to the field of display technology and, more specifically, to a display panel and a display device. The display panel includes: an array substrate, an opposite substrate and a spacer. The array substrate includes: a first substrate, a plurality of rows of scan lines and a plurality of columns of data lines. The first substrate includes a plurality of sub-pixel areas, a first wiring area and a second wiring area. The plurality of rows of scan lines are formed on the first substrate and at least one row of the scan line is located in a first wiring area. The plurality of columns of data lines are formed on the first substrate and at least one column of the data line is located in a second wiring area.
    Type: Application
    Filed: November 11, 2021
    Publication date: November 16, 2023
    Applicants: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventor: Lin ZHANG
  • Patent number: 11768412
    Abstract: There is provided a display substrate, including gate lines and data lines, which define pixel units, each pixel unit includes a pixel electrode, at least some pixel units are provided with a conductive bridge line in a same layer as the pixel electrode; in the pixel unit with the conductive bridge line, a first hollow structure is on a first side of a first or second end part of the pixel electrode, an end of the conductive bridge line is in the first hollow structure, a second hollow structure is on a second side of the first end part, an absolute value of a difference between parasitic capacitances respectively formed between the pixel electrode and the data lines on two sides of the pixel electrode and closest thereto is less than or equal to a preset capacitance difference value. A display panel and a display device are further provided.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: September 26, 2023
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunxu Zhang, Ke Dai, Haipeng Yang, Yuntian Zhang, Xiaoting Jiang, Min Cheng
  • Patent number: 11747679
    Abstract: The present disclosure provides a display panel and a manufacturing method of the display panel. The display panel includes: a display liquid crystal panel including a plurality of sub-pixels arranged in an array; a dimming liquid crystal panel located on a light incident side of the display liquid crystal panel and including a plurality of dimming pixels arranged in an array; and a sealant in a frame shape located between the dimming liquid crystal panel and the display liquid crystal panel, a surface of the sealant close to the dimming liquid crystal panel being adhered to the dimming liquid crystal panel, and a surface of the sealant close to the display liquid crystal panel being adhered to the display liquid crystal panel.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: September 5, 2023
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jianming Liu, Chaoyue Wang, Wenbo Dong
  • Patent number: 11740523
    Abstract: A display panel and a display device are provided. The display panel includes a first substrate and a second substrate arranged oppositely. The first substrate includes a spacer. The second substrate includes: a second base substrate; a data line including, a body portion and a bending portion; and a sub-pixel including a light transmission region. An orthographic projection of the spacer on the second base substrate is adjacent to that of the light transmission region on the second base substrate, the orthographic projection of the spacer on the second base substrate is spaced apart from that of the data line on the second base substrate; an orthographic projection of the bending portion on the second base substrate is bent toward a direction away from the orthographic projection of the spacer on the second base substrate with respect to an orthographic projection of the body portion on the second base substrate.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: August 29, 2023
    Assignees: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Chunxu Zhang, Yuntian Zhang, Xiaoting Jiang, Haipeng Yang, Ke Dai
  • Patent number: 11744123
    Abstract: The present disclosure provides an array substrate, a method for manufacturing the array substrate and a display device, and belongs to the field of display technology. The array substrate of the present disclosure includes: a base substrate; a light-blocking layer disposed on the base substrate; a thin film transistor disposed on the light-blocking layer; an organic light-emitting diode which is disposed on the light-blocking layer and has a first electrode coupled to a drain electrode of the thin film transistor; the light-blocking layer is provided with a plurality of scattering particles, and orthographic projections of at least a portion of the scattering particles on the base substrate are overlapped with an orthographic projection of the organic light-emitting diode on the base substrate, so as to scatter light emitted from the organic light-emitting diode.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: August 29, 2023
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Seungjin Choi