Patents by Inventor Cunzhi LI

Cunzhi LI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11803280
    Abstract: Disclosed are a touch panel and an electronic device, the touch panel is provided with a touch area and a non-touch area surrounding the touch area, a plurality of first touch electrodes and a plurality of second touch electrodes are all located in the touch area, a plurality of connecting portions include a first connecting portion, a second connecting portion, and a third connecting portion sequentially away from the non-touch area in a first direction, and a distance between a center of an orthographic projection of the first connecting portion on a substrate and a center of an orthographic projection of the second connecting portion on the substrate is less than a distance between the center of the orthographic projection of the second connecting portion on the substrate and a center of an orthographic projection of the third connecting portion on the substrate.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: October 31, 2023
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongjin Hu, Mingqiang Wang, Jiaxiang Zhang, Chang Wang, Kun Zuo, Cunzhi Li, Fei Li, Yonglin Chen, Xi Bi, Bin Zhang
  • Publication number: 20230337507
    Abstract: A display substrate includes a cut-out area; a display region; and an isolation region including an isolation pillar and at least two packing dams; a base substrate; a barrier layer; a buffer layer; a first gate insulation layer; a second gate insulation layer; and an interlayer insulation layer. The isolation pillar is formed of a portion of the barrier layer, a portion of the buffer layer, a portion of the first gate insulation layer, a portion of the second gate insulation layer, and a portion the interlayer insulation layer. A side of the side end surface proximal to the substrate is indented inward compared to the side facing away from the substrate. A light emitting layer on the side of the structural layer facing away from the substrate is discontinuous at least at a position having an indented structure.
    Type: Application
    Filed: April 3, 2020
    Publication date: October 19, 2023
    Applicants: CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xinwei WU, Zhen ZHANG, Wei ZHANG, Jonguk KWAK, Cunzhi LI
  • Patent number: 11723232
    Abstract: An organic light-emitting display panel is provided. The organic light-emitting display panel includes a substrate and a plurality of pixel units disposed on a side of the substrate, wherein the pixel unit includes an organic light-emitting diode (OLED); the substrate has a first pixel density area and a second pixel density area, and a density of pixel units in the first pixel density area is greater than that of pixel units in the second pixel density area; and in the second pixel density area, a light-emitting surface of the OLED protrudes along a light-emitting direction of the OLED.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: August 8, 2023
    Assignees: Chongqing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xinwei Wu, Wei Zhang, Yanyan Xu, Cunzhi Li, Dawei Shi, Dongsheng Zhao, Jonguk Kwak
  • Patent number: 11610542
    Abstract: Proposed are a display substrate, a control method thereof and a wearable display device. The display substrate includes M rows and N columns of pixels and 2M rows of scanning lines, a first sub-pixel and a second sub-pixel of pixels in an i-th row are connected to the same scanning line and electrically connected to one of a (2i?1)-th row of scanning line and a 2i-th row of scanning line, and a third sub-pixel of the pixels in the i-th row is electrically connected to the other of the (2i?1)-th row of scanning line and the 2i-th row of scanning line; when the display substrate is displaying, a first sub-pixel, a second sub-pixel and a third sub-pixel among two pixels located in a (2i?1)-th row, a j-th column, and a 2i-th row, a j-th column emit light at an i-th stage of each frame.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: March 21, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Hongjin Hu, Chang Wang, Cunzhi Li, Mingqiang Wang, Xin Bi, Bin Zhang, Kun Zuo, Jiaxiang Zhang
  • Patent number: 11594160
    Abstract: A pixel detection circuit includes a wire, at least one detection signal input terminal, at least one detection signal output terminal, and a first pixel drive circuit comprising a first switch circuit, a second switch circuit, and a third switch circuit. A display apparatus including the pixel detection circuit and a detection method applied to the pixel detection circuit are further provided.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: February 28, 2023
    Assignees: CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shicheng Sun, Jonguk Kwak, Dawei Shi, Wei Zhang, Cunzhi Li, Pei Wang
  • Patent number: 11587989
    Abstract: The present disclosure relates to a display device, a display panel, and a manufacturing method thereof. The display panel includes a substrate, a driving layer, and a display layer. The substrate has an opening area, a transition area surrounding the opening area, and a display area surrounding the transition area. The driving layer is disposed on a side of the substrate and covers at least the transition area and the display area, an area of the driving layer being located in the transition area being provided with a separation groove surrounding the opening area, the separation groove including a first groove body and a second groove body sequentially communicated toward the substrate in a direction perpendicular to the substrate, and a distance between bottom ends of side walls of the first groove body being smaller than a distance between top ends of side walls of the second groove body.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: February 21, 2023
    Assignees: CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xinwei Wu, Shicheng Sun, Zhen Zhang, Wei Zhang, Cunzhi Li, Jonguk Kwak
  • Publication number: 20230045466
    Abstract: A display panel having a hole running through the display panel includes: a base substrate; a plurality of light-emitting devices, organic light-emitting functional layers of the light-emitting devices extending to an edge region; an isolation spacer located on the base substrate within the edge region and which are annular structures that surround the hole, the organic light-emitting functional layers are interrupted at the isolation spacer; and an encapsulation layer covering the plurality of light-emitting devices. An inorganic layer in the encapsulation layer extends to the edge region and covers the isolation spacer and the organic light-emitting functional layers. The isolation spacer includes: an inner layer structure and an outer layer structure. The side of the inner layer structure away from the base substrate is provided with a groove-shaped structure, and the outer layer structure includes a through hole.
    Type: Application
    Filed: March 9, 2021
    Publication date: February 9, 2023
    Inventors: Yanyan XU, Xinwei WU, Wei ZHANG, Cunzhi LI, Dawei SHI, Dongsheng ZHAO, Jonguk KWAK, Shicheng SUN
  • Patent number: 11538426
    Abstract: A display panel includes a display area and a first peripheral area located around the display area. A first gate driver is provided in the first peripheral area. The display panel is further provided with a plurality of first driving signal lines and a plurality of second driving signal lines. The plurality of first driving signal lines are arranged in a different layer from a layer in which the plurality of second driving signal lines are located. The m-th first driving signal line of the plurality of first driving signal lines and the k-th second driving signal line of the plurality of second driving signal lines are both electrically connected, in the first peripheral area, to an m-th output terminal of the first gate driver, where m is an integer greater than or equal to 1 and k is also an integer greater than or equal to 1.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: December 27, 2022
    Assignees: CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xinwei Wu, Zhen Zhang, Wei Zhang, Cunzhi Li, Jonguk Kwak, Yanyan Xu
  • Patent number: 11538375
    Abstract: The disclosure relates to a pixel circuit and a testing method of the pixel circuit. The pixel circuit comprises a light emitting element, a storage capacitor Cst, a drive sub-circuit, a reset sub-circuit, a write sub-circuit, a light emission control sub-circuit and a testing element, wherein a control terminal of the testing element is connected to s reset control signal line, a first terminal of the testing element is connected to a reset signal line, a second terminal of the testing element is connected to the drive sub-circuit, and the testing element is configured to test elements included in the pixel circuit.
    Type: Grant
    Filed: November 26, 2020
    Date of Patent: December 27, 2022
    Assignees: CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Shicheng Sun, Jonguk Kwak, Dawei Shi, Wei Zhang, Cunzhi Li, Pei Wang
  • Publication number: 20220399413
    Abstract: The present disclosure provides a display substrate, including: a base substrate having an opening region, a transition region surrounding the opening region and a pixel region surrounding the opening region; at least one ink-jet printing dam in the transition region and surrounding the opening region; and at least one conductive film layer in the transition region, where an orthographic projection of the conductive film layer on the base substrate is overlapped with an orthographic projection of the ink-jet printing dam on the base substrate. In the technical solution of the present disclosure, the conductive film layer is intended to absorb and conduct heat, so as to reduce the heat on the ink-jet printing dam.
    Type: Application
    Filed: July 14, 2021
    Publication date: December 15, 2022
    Inventors: Xiaoyan YANG, Yuqing YANG, Xiping LI, Huiyang YU, Fengxia TAN, Yong ZHUO, Hui LI, Wei ZHANG, Jonguk KWAK, Shicheng SUN, Xinwei WU, Cunzhi LI, Dongsheng ZHAO
  • Publication number: 20220308700
    Abstract: Disclosed are a touch panel and an electronic device, the touch panel is provided with a touch area and a non-touch area surrounding the touch area, a plurality of first touch electrodes and a plurality of second touch electrodes are all located in the touch area, a plurality of connecting portions include a first connecting portion, a second connecting portion, and a third connecting portion sequentially away from the non-touch area in a first direction, and a distance between a center of an orthographic projection of the first connecting portion on a substrate and a center of an orthographic projection of the second connecting portion on the substrate is less than a distance between the center of the orthographic projection of the second connecting portion on the substrate and a center of an orthographic projection of the third connecting portion on the substrate.
    Type: Application
    Filed: August 18, 2020
    Publication date: September 29, 2022
    Inventors: Hongjin Hu, Mingqiang Wang, Jiaxiang Zhang, Chang Wang, Kun Zuo, Cunzhi Li, Fei Li, Yonglin Chen, Xi Bi, Bin Zhang
  • Publication number: 20220293048
    Abstract: Proposed are a display substrate, a control method thereof and a wearable display device. The display substrate includes M rows and N columns of pixels and 2M rows of scanning lines, a first sub-pixel and a second sub-pixel of pixels in an i-th row are connected to the same scanning line and electrically connected to one of a (2i?1)-th row of scanning line and a 2i-th row of scanning line, and a third sub-pixel of the pixels in the i-th row is electrically connected to the other of the (2i?1)-th row of scanning line and the 2i-th row of scanning line; when the display substrate is displaying, a first sub-pixel, a second sub-pixel and a third sub-pixel among two pixels located in a (2i?1)-th row, a j-th column, and a 2i-th row, a j-th column emit light at an i-th stage of each frame.
    Type: Application
    Filed: October 20, 2021
    Publication date: September 15, 2022
    Inventors: Hongjin HU, Chang WANG, Cunzhi LI, Mingqiang WANG, Xin BI, Bin ZHANG, Kun ZUO, Jiaxiang ZHANG
  • Publication number: 20220102437
    Abstract: An organic light-emitting display panel is provided. The organic light-emitting display panel includes a substrate and a plurality of pixel units disposed on a side of the substrate, wherein the pixel unit includes an organic light-emitting diode (OLED); the substrate has a first pixel density area and a second pixel density area, and a density of pixel units in the first pixel density area is greater than that of pixel units in the second pixel density area; and in the second pixel density area, a light-emitting surface of the OLED protrudes along a light-emitting direction of the OLED.
    Type: Application
    Filed: July 8, 2021
    Publication date: March 31, 2022
    Inventors: Xinwei WU, Wei ZHANG, Yanyan XU, Cunzhi LI, Dawei SHI, Dongsheng ZHAO, Jonguk KWAK
  • Publication number: 20220076601
    Abstract: The disclosure relates to a pixel circuit and a testing method of the pixel circuit. The pixel circuit comprises a light emitting element, a storage capacitor Cst, a drive sub-circuit, a reset sub-circuit, a write sub-circuit, a light emission control sub-circuit and a testing element, wherein a control terminal of the testing element is connected to s reset control signal line, a first terminal of the testing element is connected to a reset signal line, a second terminal of the testing element is connected to the drive sub-circuit, and the testing element is configured to test elements included in the pixel circuit.
    Type: Application
    Filed: November 26, 2020
    Publication date: March 10, 2022
    Inventors: Shicheng SUN, Jonguk KWAK, Dawei SHI, Wei ZHANG, Cunzhi LI, Pei WANG
  • Publication number: 20220049342
    Abstract: A mask and a fabricating method thereof, and a displaying base plate and a fabricating method thereof, which relates to the technical field of displaying. The mask includes at least one mask unit, and the at least one mask unit includes an opening region and a main-body region that surrounds the opening region; and the main-body region includes a via-hole unit adjacent to the opening region, and the via-hole unit is configured so that, when the mask is being used on a substrate to form a film-layer pattern, a film-layer material is able to pass through the via-hole unit and deposit within a region of the substrate that corresponds to the opening region. The present disclosure is suitable for the fabrication of masks.
    Type: Application
    Filed: February 25, 2021
    Publication date: February 17, 2022
    Applicants: Chongqing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Wei Zhang, Hui Li, Shicheng Sun, Jonguk Kwak, Xinwei Wu, Cunzhi Li
  • Publication number: 20220051636
    Abstract: A display panel includes a display area and a first peripheral area located around the display area. A first gate driver is provided in the first peripheral area. The display panel is further provided with a plurality of first driving signal lines and a plurality of second driving signal lines. The plurality of first driving signal lines are arranged in a different layer from a layer in which the plurality of second driving signal lines are located. The m-th first driving signal line of the plurality of first driving signal lines and the k-th second driving signal line of the plurality of second driving signal lines are both electrically connected, in the first peripheral area, to an m-th output terminal of the first gate driver, where m is an integer greater than or equal to 1 and k is also an integer greater than or equal to 1.
    Type: Application
    Filed: October 25, 2021
    Publication date: February 17, 2022
    Inventors: Xinwei Wu, Zhen Zhang, Wei Zhang, Cunzhi Li, Jonguk Kwak, Yanyan Xu
  • Patent number: 11239285
    Abstract: Embodiments of the present disclosure provide an organic electroluminescent display panel, a display device, and a detection method.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: February 1, 2022
    Assignees: Chongqing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xinwei Wu, Zhen Zhang, Wei Zhang, Cunzhi Li, Jonguk Kwak, Yanyan Xu
  • Patent number: 11199921
    Abstract: Provided are a touch display panel and a detection method thereof, and a touch display apparatus. The touch display panel includes a display structure layer, a touch structure layer, a touch detection circuit and a detection signal line. The display structure layer includes a plurality of data lines, and the touch structure layer includes a plurality of touch signal lines. A timing of the touch display panel includes a detection stage. The touch detection circuit is connected with touch signal lines, data lines and the detection signal line, and is configured to provide, in the detection stage, a signal of the touch signal line to a data line under a control of a detection signal of the detection signal line, to detect the touch signal line according to a light emission state of pixel units to which the data line is connected.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: December 14, 2021
    Assignees: Chongqing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Wei Zhang, Hui Li, Shicheng Sun, Xinwei Wu, Cunzhi Li, Jonguk Kwak, Jian Guo
  • Patent number: 11176898
    Abstract: A display panel and an electronic apparatus are provided. The display panel includes: a display area; and a first peripheral area located around the display area, a first gate driver being provided in the first peripheral area; wherein the display panel is further provided with a plurality of first driving signal lines and a plurality of second driving signal lines; the plurality of first driving signal lines are arranged in a different layer from a layer in which the plurality of second driving signal lines are located; and the m-th first driving signal line of the plurality of first driving signal lines and the k-th second driving signal line of the plurality of second driving signal lines are both electrically connected, in the first peripheral area, to an m-th output terminal of the first gate driver, where m is an integer greater than or equal to 1 and k is also an integer greater than or equal to 1.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: November 16, 2021
    Assignees: CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xinwei Wu, Zhen Zhang, Wei Zhang, Cunzhi Li, Jonguk Kwak, Yanyan Xu
  • Publication number: 20210096677
    Abstract: Provided are a touch display panel and a detection method thereof, and a touch display apparatus. The touch display panel includes a display structure layer, a touch structure layer, a touch detection circuit and a detection signal line. The display structure layer includes a plurality of data lines, and the touch structure layer includes a plurality of touch signal lines. A timing of the touch display panel includes a detection stage. The touch detection circuit is connected with touch signal lines, data lines and the detection signal line, and is configured to provide, in the detection stage, a signal of the touch signal line to a data line under a control of a detection signal of the detection signal line, to detect the touch signal line according to a light emission state of pixel units to which the data line is connected.
    Type: Application
    Filed: July 21, 2020
    Publication date: April 1, 2021
    Inventors: Wei ZHANG, Hui LI, Shicheng SUN, Xinwei WU, Cunzhi LI, Jonguk KWAK, Jian GUO