Patents Assigned to Chongqing BOE Display Technology Co.,Ltd.
  • Publication number: 20250103160
    Abstract: A display panel includes a display substrate and a touch structure disposed on the display substrate. The display substrate has a display area and a non-display area and includes a plurality of connection portions located in the non-display area. The touch structure includes a plurality of first touch channels, a plurality of second touch channels, a plurality of first trace lines and a plurality of second trace lines. A first touch channel includes first touch electrodes arranged in a first direction, and a second touch channel includes second touch electrodes arranged in a second direction; the first direction is perpendicular to the second direction. The plurality of first touch electrodes in the first touch channel are connected through a first trace line; the plurality of second touch electrodes in the second touch channel are connected to a same connection portion through respective second trace lines.
    Type: Application
    Filed: July 29, 2022
    Publication date: March 27, 2025
    Applicants: Chongqing BOE Display Technology Co.,Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chengming WEI, Hyunjin KIM, Jianhong WANG, Qian QU, Huina QIAO, Yufeng LIU
  • Publication number: 20250104623
    Abstract: A pixel circuit includes a light-emitting element, a compensation control circuit, a data writing circuit, a driving circuit and a first energy storage circuit. The compensation control circuit writes a reference voltage into a control end of the driving circuit under the control of a first scanning signal. The data writing circuit writes a data voltage to the control end of the driving circuit under the control of a second scanning signal.
    Type: Application
    Filed: March 27, 2023
    Publication date: March 27, 2025
    Applicants: Chongqing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuebin Yuan, Yinglong Huang, Kai Zhang, Xinyu Wei
  • Patent number: 12254158
    Abstract: A touch layer includes a first conductive pattern layer, a second conductive pattern layer and an insulation layer. The first conductive pattern layer includes electrode blocks arranged in a first direction, a second touch electrode strip extending along a second direction, and connecting pattern(s). The second conductive pattern layer includes bridge group(s). Two adjacent electrode blocks and a connecting pattern located therebetween are electrically connected by a bridge group, which includes connecting bridges. The insulation layer extends between the first conductive pattern layer and the second conductive pattern layer, and is provided therein with first openings and second openings.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: March 18, 2025
    Assignees: CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liqing Jiang, Guiyu Zhang, Qiang Wang, Shuai Liu, Shukui Yang
  • Patent number: 12232406
    Abstract: The present disclosure relates to a method of manufacturing an OLED display panel, a display panel and a display device. A method of manufacturing an OLED display panel, comprising: providing a backplane, wherein a light-emitting layer is provided on the backplane, and an encapsulation layer is provided on the light-emitting layer; forming an organic layer on a side of the encapsulation layer away from the light-emitting layer using an organic material; patterning the organic layer to form a first region covered by the organic layer and a second region not covered by the organic layer on the encapsulation layer; etching the organic layer in the first region to form a plurality of pits on a surface of the organic layer away from the encapsulation layer; filling the plurality of pits with a metal to form a black mask layer; forming a color film layer in the second region; and forming a planar layer covering the color film layer and the black mask layer.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: February 18, 2025
    Assignees: Chongqing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jie Li, Zuo Chen
  • Patent number: 12207508
    Abstract: Provided in the present disclosure are a display panel and a display device. The display panel comprises: a base substrate; multiple contact electrodes, arranged on the base substrate in a non-display region of the display panel; an inorganic film layer, arranged on the side of the contact electrodes in proximity to the base substrate; the inorganic film layer comprising an inorganic material; an organic film layer, arranged on the side of the contact electrodes away from the base substrate; and a barrier layer, arranged on the side of the organic film layer away from the base substrate; the barrier layer comprising an inorganic material; and, the organic film layer being provided with openings in at least some gaps between adjacent contact electrodes.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: January 21, 2025
    Assignees: Chongqing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tianlong Zhao, Hyoungseok Park, Zifeng Wang, Dawei Shi
  • Patent number: 12198634
    Abstract: The present disclosure provides a display substrate and a display device. The display substrate includes a driving circuit, a light-emitting element, a first light-emitting control circuit, a first control circuit, a second control circuit, a third control circuit, a data writing-in circuit and an energy storage circuit. The first control circuit is configured to control to connect the first voltage line and a first end of the light-emitting element under the control of the first control signal; the second control circuit is configured to control to connect the reference voltage line and the second end of the light-emitting element under the control of a second control signal; the third control circuit is configured to control to connect the first end of the energy storage circuit and the control end of the driving circuit under the control of a third control signal.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: January 14, 2025
    Assignees: CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Teng Chen, Dawei Shi, Wentao Wang, Tianlong Zhao, Liang Zhou, Shuaizhuo Liu, Chuanyong Li
  • Publication number: 20240393897
    Abstract: A touch substrate includes a first layer wiring group and a second layer wiring group that are located in a peripheral region. The first layer wiring group includes a plurality of first wirings, the second layer wiring group includes a plurality of second wirings, and a square resistance of a first wiring is greater than a square resistance of a second wiring. The peripheral region includes a first wiring region provided with at least one first-type touch lead therein and a second wiring region provided with at least one second-type touch lead therein. Each first-type touch lead includes a first wiring and a second wiring that are connected to each other and whose orthographic projections on the touch substrate are overlapped. Each second-type touch lead includes a second wiring or a first wiring. A length of the first-type touch lead is greater than a length of the second-type touch lead.
    Type: Application
    Filed: May 17, 2022
    Publication date: November 28, 2024
    Applicants: Chongqing BOE Display Technology Co.,Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chao ZENG, Shouqiang ZHANG, Rui WANG, Weishu WEN, Xinghua CUI, Yifan LIU
  • Patent number: 12156425
    Abstract: A display panel is provided. The display panel includes a substrate, a first insulation layer, a light-emitting device, and a support pattern. The first insulation layer is disposed on a side of the substrate. The light-emitting device is disposed in a pixel opening in the first insulation layer. The support pattern is disposed on a side, distal from the substrate, of the first insulation layer. The support pattern is disposed outside the pixel opening and is made of a light-absorbing material.
    Type: Grant
    Filed: February 21, 2022
    Date of Patent: November 26, 2024
    Assignees: Chongqing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jie Li, Wei Zhang, Wei Xia, Huaisen Ren
  • Patent number: 12154510
    Abstract: A display substrate includes an underlay substrate, and a first semiconductor layer, first conductive layer, second semiconductor layer, second conductive layer, and third conductive layer which are arranged on the underlay substrate. The first semiconductor layer includes an active layer of at least one transistor of a second semiconductor type of a shift register unit. The first conductive layer includes a control electrode of the at least one transistor of the second semiconductor type and a first electrode of at least one capacitor of the shift register unit. The second semiconductor layer includes an active layer of at least one transistor of a first semiconductor type of the shift register unit. The second conductive layer includes a control electrode of the at least one transistor of the first semiconductor type and a second electrode of the at least one capacitor of the shift register unit.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: November 26, 2024
    Assignees: Chongqing BOE Display Technology Co.,Ltd., BOE Technology Group Co., Ltd.
    Inventors: Teng Chen, Faming Jiang, Ri Chen, Xinxing Jia, Weixin Meng, Jonguk Kwak
  • Publication number: 20240384387
    Abstract: The disclosure relates to a mask, a display panel, and a display device. The mask (1) is provided with a plurality of first openings (121) at intervals on the mask body (12), and is equipped with the mask bars (13) having a plurality of second openings (131) at intervals corresponding one-to-one to the plurality of first openings (121), the mask bar (13) is disposed on a side of the mask body, the second openings (131) have same position, shape and size with any one type of the graphic units, and orthographic projections on the mask body (12) of the second openings (131) corresponding to the multiple types of the graphic units are located in the first openings (121).
    Type: Application
    Filed: April 26, 2022
    Publication date: November 21, 2024
    Applicants: Chongqing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventor: Liyuan XU
  • Publication number: 20240389385
    Abstract: The present disclosure relates to a display panel and manufacturing method thereof, and a display device. The display panel includes a driving backplane and a pixel definition layer. A partition groove is provided between two adjacent pixel openings of the pixel definition layer and includes a first groove part and a second groove part sequentially provided in a direction away from the driving backplane, and an orthographic projection of the second groove part on the driving backplane is within that of the first groove part on the driving backplane.
    Type: Application
    Filed: May 27, 2022
    Publication date: November 21, 2024
    Applicants: Chongqing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventor: Lei ZHU
  • Publication number: 20240379055
    Abstract: A pixel driving circuit (31), comprising: a driving sub-circuit (311), a first light-emission control sub-circuit (312), a second light-emission control sub-circuit (313), a data write sub-circuit (314), a compensation sub-circuit (315) and a first reset sub-circuit (316). The driving sub-circuit (311) comprises a control end, a first end and a second end; and in an initialization phase (t1) in one display frame of the pixel driving circuit (31), the voltage difference between the control end of the driving sub-circuit (311) and the first end of the driving sub-circuit (311) is fixed.
    Type: Application
    Filed: May 4, 2023
    Publication date: November 14, 2024
    Applicants: Chongqing BOE Display Technology Co.,Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Rui WANG, Ming HU, Haijun QIU, Juntao CHEN
  • Patent number: 12144196
    Abstract: A display substrate includes: a base substrate; a first conducting layer; a first insulating layer, where the first insulating layer is provided with a first opening; a second conducting layer, connected to the first conducting layer through the first opening, and including a first portion and a second portion, where the first portion is located within the first opening, and the second portion is located outside the first opening and located on the side of the first insulating layer facing away from the base substrate; and an inorganic protective layer including at least a first inorganic protective layer portion located between the second portion and the first insulating layer; in a direction perpendicular to the base substrate, the thickness h1 of the first inorganic protective layer portion and the thickness h2 of the second portion satisfy the following relationship: h2=K*h1, wherein 12?K?18.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: November 12, 2024
    Assignees: Chongqing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jie Li, Wei Zhang, Zeliang Li, Zhendong Li, Fei Fang
  • Publication number: 20240370127
    Abstract: A touch layer includes a first conductive pattern layer, a second conductive pattern layer and an insulation layer. The first conductive pattern layer includes electrode blocks arranged in a first direction, a second touch electrode strip extending along a second direction, and connecting pattern(s). The second conductive pattern layer includes bridge group(s). Two adjacent electrode blocks and a connecting pattern located therebetween are electrically connected by a bridge group, which includes connecting bridges. The insulation layer extends between the first conductive pattern layer and the second conductive pattern layer, and is provided therein with first openings and second openings.
    Type: Application
    Filed: April 8, 2022
    Publication date: November 7, 2024
    Applicants: Chongqing BOE Display Technology Co.,Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liqing JIANG, Guiyu ZHANG, Qiang WANG, Shuai LIU, Shukui YANG
  • Publication number: 20240365609
    Abstract: Display substrate and display device are provided. The display substrate includes: a base and sub-pixels thereon, the sub-pixel includes a light-emitting element and a sub-pixel driving circuit including a driving transistor and a compensation transistor; the compensation transistor has a first electrode coupled to a second electrode of the driving transistor, and a second electrode coupled to a gate electrode of the driving transistor; the compensation transistor includes a gate electrode and an active layer including a channel portion; the display substrate includes a pixel definition layer and shielding patterns, at least a portion of the shielding pattern is located between the pixel definition layer and the gate electrode of the compensation transistor, and an orthographic projection of the shielding pattern onto the base at least partially overlaps with an orthographic projection of corresponding channel portion of the compensation transistor onto the base.
    Type: Application
    Filed: April 27, 2022
    Publication date: October 31, 2024
    Applicants: CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ni YANG, Wei ZHANG, Yue LONG, Lili DU, Hai ZHENG, Qiwei WANG
  • Publication number: 20240346711
    Abstract: An image display method includes: obtaining both an original image and a color rendering parameter corresponding to an image to be displayed, a bit number of color depth of the original image being smaller than a bit number of color depth of the image to be displayed; generating the image to be displayed according to the original image and the color rendering parameter; and displaying the image to be displayed.
    Type: Application
    Filed: March 28, 2022
    Publication date: October 17, 2024
    Applicants: Chongqing BOE Display Technology Co.,Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Xiaogang LI
  • Publication number: 20240341121
    Abstract: The present disclosure relates to an OLED device and a manufacturing method thereof, and a display panel. The OLED device includes: a substrate; an anode layer and a pixel-defining layer, provided on a side of the substrate, the pixel-defining layer including a plurality of pixel-defining structures, and adjacent pixel-defining structures defining a pixel unit; a first organic layer, covering the anode layer and the pixel-defining layer; a light-emitting layer, provided on a side of the first organic layer away from the substrate and within the pixel unit; and a cathode layer, covering the light-emitting layer and the first organic layer. The first organic layer includes at least one open groove.
    Type: Application
    Filed: April 22, 2022
    Publication date: October 10, 2024
    Applicants: Chongqing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yanyu LIU, Lu YANG, Dawei SHI, Keyuan LI, Yang XIE, Can HUANG, Xiaosong WEN, Zixin LIN, Jiachen GUO
  • Publication number: 20240331631
    Abstract: The present disclosure provides a display panel and a display device. The display panel includes: a base substrate, a first active layer on a side of the base substrate, and a third conductive layer on a side of the first active layer away from the base substrate. The first active layer includes active portions spaced apart, wherein each active portion includes a sub-active portion and a via-hole connection portion connected to each other, and the sub-active portion is disposed corresponding to a transistor of two or more transistors, and configured to form a channel region of the corresponding transistor. The third conductive layer includes at least one bridge portion, wherein the at least one bridge portion is connected to via-hole connection portions in different active portions through via holes, respectively. A sheet resistance of the third conductive layer is less than a sheet resistance of the via hole connection portion.
    Type: Application
    Filed: April 27, 2022
    Publication date: October 3, 2024
    Applicants: Chongqing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Rui WANG, Ming HU, Haijun QIU, Juntao CHEN
  • Publication number: 20240297185
    Abstract: A display panel includes: a substrate; a plurality of sub-pixels, located in a display area; a plurality of data lines, located in the display area and a non-display area and electrically connected to the plurality of the sub-pixels; a first insulating layer set, located at one side of the substrate and provided with a plurality of first openings located at intervals in the first region; a plurality of first pins, located in the plurality of the first openings and electrically connected to the data lines; a first metal layer, located between two adjacent first pins and electrically insulated from the two adjacent first pins; a first planarization layer, located at one side of the first metal layer away from the substrate; and a second metal layer, located at one side of the first planarization layer away from the substrate and electrically insulated from the two adjacent first pins.
    Type: Application
    Filed: February 18, 2022
    Publication date: September 5, 2024
    Applicants: Chongqing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tianlong ZHAO, Yaqian ZHANG, Bo WANG
  • Publication number: 20240290794
    Abstract: The present application provides a display substrate, a method for manufacturing the same, and a display device, which belongs to the technical field of displays. The display substrate includes: a base substrate and a plurality of sub-pixels on the base substrate, the sub-pixels include a sub-pixel driving circuit and a light-emitting element. The sub-pixel driving circuit includes: a first transistor and a second transistor; an active layer structure of the first transistor includes a first active layer and a second active layer connected to the first active layer. The second active layer is located at a side of the first active layer away from the base substrate, the first active layer includes a first active portion and a second active portion which are independent from each other, and the first active portion and the second active portion are connected to two ends of the second active layer, respectively.
    Type: Application
    Filed: June 29, 2022
    Publication date: August 29, 2024
    Applicants: Chongqing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qiujie Li, Weiwei Hou, Shuanzhu Li, Wentao Wang, Dawei Shi, Weixing Gong, Liqiang Niu