Patents by Inventor Jonguk Kwak

Jonguk Kwak 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: 11494019
    Abstract: The present disclosure relates to a method for manufacturing a touch display panel. The method includes providing a substrate film layer; forming a display functional film layer on the substrate film layer; forming an encapsulation film layer on a side of the display functional film layer away from the substrate film layer; forming a touch functional film layer on a side of the encapsulation film layer away from the display functional film layer; and after the touch functional film layer is formed, removing all film layers which include at least the substrate film layer and are located at opening areas to form through holes.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: November 8, 2022
    Assignees: CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Shuanzhu Li, Weixin Meng, Yucheng Chan, Xiangquan Zheng, Kewen Zeng, Jonguk Kwak
  • Patent number: 11322064
    Abstract: A signal line capacitance compensation circuit and a display panel are provided, a signal line capacitance compensation circuit includes: a plurality of signal lines; at least one control line, a compensation capacitor being provided between the control line and at least one of the plurality of signal lines; and a signal source configured to send a charging signal to one or more control lines of the at least one control line, the charging signal being used to charge the compensation capacitor between the one or more control lines receiving the charging signal and the at least one signal line.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: May 3, 2022
    Assignees: CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shicheng Sun, Jonguk Kwak, Dawei Shi, Weixin Meng, Kai Zhang, Wei Zhang, Shuang Hu
  • Publication number: 20220122499
    Abstract: The present application provides a display panel, a. manufacturing method, a detection method, and a display device. The display panel includes a display area and a non-display area surrounding the display area. The non-display area includes: a crack detection line surrounding the display area; a screen control line; a plurality of switch signal lines; and a plurality of detection switches electrically connected at different positions to the crack detection line. Each detection switch is also connected to the screen control line and a respective switch signal line, and allows conduction between the crack detection line and the screen control line based on the switch signal input by the switch signal line, such that the screen control line drives the display panel to display according to the test signal input by the crack detection line.
    Type: Application
    Filed: May 28, 2021
    Publication date: April 21, 2022
    Inventors: Kang HAN, Guangjie YANG, Weixin MENG, Jonguk KWAK, Yang XIE, Kai PENG, Fei LI, Wenfeng GUO
  • 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: 20220100302
    Abstract: The present disclosure relates to a method for manufacturing a touch display panel. The method includes providing a substrate film layer; forming a display functional film layer on the substrate film layer; forming an encapsulation film layer on a side of the display functional film layer away from the substrate film layer; forming a touch functional film layer on a side of the encapsulation film layer away from the display functional film layer; and after the touch functional film layer is formed, removing all film layers which include at least the substrate film layer and are located at opening areas to form through holes.
    Type: Application
    Filed: May 27, 2021
    Publication date: March 31, 2022
    Inventors: Shuanzhu LI, Weixin MENG, Yucheng CHAN, Xiangquan ZHENG, Kewen ZENG, 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: 20210296610
    Abstract: A display panel includes an array substrate, an OLED light-emitting layer and a color filter structure laminated in sequence, the color filter structure including a color filter layer, a black matrix and a heat conducting layer, wherein the color filter layer and the black matrix are disposed in a same layer, the heat conducting layer is disposed on at least one side of the black matrix and configured to conduct heat from the black matrix to a periphery of the color filter structure.
    Type: Application
    Filed: March 18, 2021
    Publication date: September 23, 2021
    Inventors: Teng Chen, Shicheng Sun, Bo Yang, Weixin Meng, Jonguk Kwak
  • Patent number: 11094897
    Abstract: Disclosed is a flexible display device including: a housing comprising an accommodating chamber, a first opening is formed at one end of accommodating chamber; a flexible display screen accommodated in the accommodating chamber, the flexible display screen includes a substrate, a first infrared receiving circuit formed on one side of the substrate, and an anode formed on a side of the first infrared receiving circuit away from the substrate; a hole through are formed on the anode, orthographic projections of the hole, onto the substrate cover an orthographic projection of the first infrared receiving circuit onto the substrate; an infrared transmitting circuit arranged in the first opening; a reel is arranged in the accommodating chamber; a control circuit signal-connected with the first infrared receiving circuit.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: August 17, 2021
    Assignees: Chongqing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Shicheng Sun, Jonguk Kwak, Dawei Shi, Weixin Meng, Kai Zhang, Wei Zhang, Shuang Hu
  • Publication number: 20210209986
    Abstract: A signal line capacitance compensation circuit and a display panel are provided, a signal line capacitance compensation circuit includes: a plurality of signal lines; at least one control line, a compensation capacitor being provided between the control line and at least one of the plurality of signal lines; and a signal source configured to send a charging signal to one or more control lines of the at least one control line, the charging signal being used to charge the compensation capacitor between the one or more control lines receiving the charging signal and the at least one signal line.
    Type: Application
    Filed: December 13, 2019
    Publication date: July 8, 2021
    Inventors: Shicheng Sun, Jonguk Kwak, Dawei Shi, Weixin Meng, Kai Zhang, Wei Zhang, Shuang Hu
  • 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
  • Publication number: 20210090480
    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: Application
    Filed: July 30, 2020
    Publication date: March 25, 2021
    Inventors: Shicheng Sun, Jonguk Kwak, Dawei Shi, Wei Zhang, Cunzhi Li, Pei Wang
  • Publication number: 20210090514
    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: Application
    Filed: April 24, 2020
    Publication date: March 25, 2021
    Inventors: Xinwei Wu, Zhen Zhang, Wei Zhang, Cunzhi Li, Jonguk Kwak, Yanyan Xu
  • Publication number: 20210050390
    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: Application
    Filed: July 15, 2020
    Publication date: February 18, 2021
    Inventors: Xinwei WU, Shicheng SUN, Zhen ZHANG, Wei ZHANG, Cunzhi LI, Jonguk KWAK
  • Publication number: 20210028250
    Abstract: Embodiments of the present disclosure provide an organic electroluminescent display panel, a display device, and a detection method.
    Type: Application
    Filed: July 6, 2020
    Publication date: January 28, 2021
    Inventors: Xinwei WU, Zhen ZHANG, Wei ZHANG, Cunzhi LI, Jonguk KWAK, Yanyan XU
  • Patent number: 10903249
    Abstract: An array substrate including a plurality of terminals, a first conductive layer and a second conductive layer, wherein the first conductive layer and the second conductive layer include an insulating layer therebetween, wherein a plurality of first electrode plates and a plurality of second electrode plates are formed in the first conductive layer and the second conductive layer, respectively, the first electrode plates and the second electrode plates are opposite to each other to constitute a capacitor structure, the terminals are provided in the same layer as the first conductive layer or the second conductive layer, or the terminals are provided in the same layer as a third conductive layer between the first conductive layer and the second conductive layer. A method of manufacturing an array substrate and a display device is provided.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: January 26, 2021
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wei Zhang, Hui Li, Tianlei Shi, Jonguk Kwak, Yezhou Fang, Wenlong Zhang, Xu Zhang, Zhijun Niu, Ruize Jiang, Yanwei Ren, Yu Liu