Patents by Inventor Kwang-Gyun Jang
Kwang-Gyun Jang 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).
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Patent number: 11586311Abstract: The disclosure provides a display panel and a displaying device. The display panel comprises a bonding area and an active area; a flexible printed circuit board, the flexible printed circuit board being arranged on a side, away from the active area, of the bonding area, and comprising a display signal line which extends in a first direction and is electrically connected to the bonding area; and a touch driving line and a signal receiving line, the touch driving line and the signal receiving line being connected to the flexible printed circuit board from the active area via the bonding area, and the display signal line not overlapping with the touch driving line or the signal receiving line.Type: GrantFiled: October 22, 2021Date of Patent: February 21, 2023Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Hongqiang Luo, Kwang Gyun Jang, Ke Liu, Guiyu Zhang
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Patent number: 11435849Abstract: A touch-controlled display panel comprising: a display screen comprising a displaying region and a non-displaying region surrounding the displaying region; first touch-control electrodes and first touch-control lead wires provided on one side of the display screen, wherein the first touch-control electrodes are insulated and separated from each other and are individually connected to different first touch-control lead wires, and orthographic projections of the first touch-control electrodes and the first touch-control lead wires on the display screen are located within the non-displaying region, and are adjacent to an edge of the display screen; and a driving module connected to all of the first touch-control lead wires and configured for, in response to a touch-and-sliding operation on the touch-controlled display panel by a finger, detecting variations of capacitances corresponding to the first touch-control electrodes and, according to the variations, determining a touch-and-sliding direction and a touch-aType: GrantFiled: March 10, 2021Date of Patent: September 6, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Lixiang Yi, Hongqiang Luo, Kwang Gyun Jang, Feng Xiao, Guiyu Zhang, Mingqiang Wang, Xiaoxia Liu
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Publication number: 20220269364Abstract: The disclosure provides a display panel and a displaying device. The display panel comprises a bonding area and an active area; a flexible printed circuit board, the flexible printed circuit board being arranged on a side, away from the active area, of the bonding area, and comprising a display signal line which extends in a first direction and is electrically connected to the bonding area; and a touch driving line and a signal receiving line, the touch driving line and the signal receiving line being connected to the flexible printed circuit board from the active area via the bonding area, and the display signal line not overlapping with the touch driving line or the signal receiving line.Type: ApplicationFiled: October 22, 2021Publication date: August 25, 2022Inventors: Hongqiang Luo, Kwang Gyun Jang, Ke Liu, Guiyu Zhang
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Patent number: 11379079Abstract: A touch drive method, a touch display device, and an electronic equipment are provided. The touch display device includes a display structure and a touch structure stacked with the display structure, a touch scan frequency of the touch structure is different from a display scan frequency of the display structure, and the touch drive method includes: applying a touch scan signal to the touch structure during a process in which the display structure performs progressive scan in respond to a row synchronization signal; a display noise signal is generated during at least one level switching process of the row synchronization signal; and each period of the touch scan signal has a signal rising edge and a signal falling edge, and the signal rising edge and the signal falling edge of each period of the touch scan signal are respectively located outside a noise duration of the display noise signal.Type: GrantFiled: May 14, 2020Date of Patent: July 5, 2022Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yichen Jiang, Kwang Gyun Jang, Hongqiang Luo, Guiyu Zhang
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Patent number: 11327602Abstract: A touch driving method for a touch display device, a touch display device, and an electronic device are provided. The touch driving method includes: applying a touch scanning signal, which is periodic, to a touch structure of the touch display device during applying display data to a display structure of the touch display device in a progressively scanning manner. The display structure is stacked with the touch structure, each period of the touch scanning signal includes a signal rising edge and a signal falling edge, and a signal rising edge and a signal falling edge of at least one period of the touch scanning signal are in display scanning periods for scanning display sub-pixels of an identical color in different rows of the display structure.Type: GrantFiled: May 15, 2020Date of Patent: May 10, 2022Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yichen Jiang, Qing Gong, Kwang Gyun Jang, Hongqiang Luo
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Publication number: 20220019329Abstract: A touch-controlled display panel comprising: a display screen comprising a displaying region and a non-displaying region surrounding the displaying region; first touch-control electrodes and first touch-control lead wires provided on one side of the display screen, wherein the first touch-control electrodes are insulated and separated from each other and are individually connected to different first touch-control lead wires, and orthographic projections of the first touch-control electrodes and the first touch-control lead wires on the display screen are located within the non-displaying region, and are adjacent to an edge of the display screen; and a driving module connected to all of the first touch-control lead wires and configured for, in response to a touch-and-sliding operation on the touch-controlled display panel by a finger, detecting variations of capacitances corresponding to the first touch-control electrodes and, according to the variations, determining a touch-and-sliding direction and a touch-aType: ApplicationFiled: March 10, 2021Publication date: January 20, 2022Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Lixiang Yi, Hongqiang Luo, Kwang Gyun Jang, Feng Xiao, Guiyu Zhang, Mingqiang Wang, Xiaoxia Liu
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Publication number: 20210365172Abstract: A touch drive method, a touch display device, and an electronic equipment are provided. The touch display device includes a display structure and a touch structure stacked with the display structure, a touch scan frequency of the touch structure is different from a display scan frequency of the display structure, and the touch drive method includes: applying a touch scan signal to the touch structure during a process in which the display structure performs progressive scan in respond to a row synchronization signal; a display noise signal is generated during at least one level switching process of the row synchronization signal; and each period of the touch scan signal has a signal rising edge and a signal falling edge, and the signal rising edge and the signal falling edge of each period of the touch scan signal are respectively located outside a noise duration of the display noise signal.Type: ApplicationFiled: May 14, 2020Publication date: November 25, 2021Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yichen JIANG, Kwang Gyun JANG, Hongqiang LUO, Guiyu ZHANG
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Publication number: 20210357096Abstract: A touch driving method for a touch display device, a touch display device, and an electronic device are provided. The touch driving method includes applying a touch scanning signal, which is periodic, to a touch structure of the touch display device during applying display data to a display structure of the touch display device in a progressively scanning manner. The display structure is stacked with the touch structure, each period of the touch scanning signal includes a signal rising edge and a signal falling edge, and a signal rising edge and a signal falling edge of at least one period of the touch scanning signal are in display scanning periods for scanning display sub-pixels of an identical color in different rows of the display structure.Type: ApplicationFiled: May 15, 2020Publication date: November 18, 2021Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yichen JIANG, Qing GONG, Kwang Gyun JANG, Hongqiang LUO
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Patent number: 11112898Abstract: A force touch structure, a force touch panel and a display device. The force touch panel includes a display array layer and a force touch structure on a display side of the display array layer, the force touch structure includes a force sensing layer and a touch sensing layer that are laminated, the force sensing layer includes a plurality of force sensing electrodes, each of the plurality of force sensing electrodes is configured to change a resistance value upon being pressed, and the touch sensing layer is configured to detect a touch position.Type: GrantFiled: January 9, 2019Date of Patent: September 7, 2021Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qing Gong, Kwang Gyun Jang, Wenxiao Niu, Song Ju
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Publication number: 20210064168Abstract: A force touch structure, a force touch panel and a display device. The force touch panel includes a display array layer (210) and a force touch structure on a display side of the display array layer (210), the force touch structure includes a force sensing layer (220) and a touch sensing layer (240) that are laminated, the force sensing layer (220) includes a plurality of force sensing electrodes (221), each of the plurality of force sensing electrodes (221) is configured to change a resistance value upon being pressed, and the touch sensing layer (240) is configured to detect a touch position. The force touch panel has a three-dimensional touch control function, and the sensitivity of force touch control is high.Type: ApplicationFiled: January 9, 2019Publication date: March 4, 2021Inventors: Qing GONG, Kwang Gyun JANG, Wenxiao NIU, Song JU
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Patent number: 10923039Abstract: Provided are an OLED pixel circuit and a driving method thereof, and a display device. The OLED pixel circuit includes: an initialization sub-circuit coupled to a driving sub-circuit, a first signal terminal, a first voltage terminal and an initial voltage terminal, respectively, and configured to initialize the driving sub-circuit; a data writing and compensation sub-circuit coupled to the driving sub-circuit, a scan signal terminal and a data voltage terminal, respectively, and configured to perform threshold voltage compensation for the driving sub-circuit; the driving sub-circuit further coupled to a light-emitting control sub-circuit and the first voltage terminal, and configured to drive a light-emitting sub-circuit to emit light after threshold voltage compensation has been performed.Type: GrantFiled: October 25, 2017Date of Patent: February 16, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yong Yu, Chuanyan Lan, Jing Liu, Kwang Gyun Jang
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Publication number: 20210012081Abstract: An electronic device panel, a photoelectric processing unit, an electronic device and a processing method for an electronic device are disclosed. The electronic device panel includes a photoelectric sensing region and a photoelectric processing unit. The photoelectric processing unit includes an optical sensing device and a signal processing device. The optical sensing device is in the photoelectric sensing region, and is configured to sense the photoelectric sensing region, so as to obtain a texture image data signal, and sense ambient light in the photoelectric sensing region, so as to obtain an ambient light detection electrical signal. The signal processing device is configured to process the texture image data signal and the ambient light detection electrical signal.Type: ApplicationFiled: July 1, 2020Publication date: January 14, 2021Inventors: Haoqing GUO, Lixiang YI, Feng XIAO, Kwang Gyun JANG
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Publication number: 20200273410Abstract: Provided are an OLED pixel circuit and a driving method thereof, and a display device. The OLED pixel circuit includes: an initialization sub-circuit coupled to a driving sub-circuit, a first signal terminal, a first voltage terminal and an initial voltage terminal, respectively, and configured to initialize the driving sub-circuit; a data writing and compensation sub-circuit coupled to the driving sub-circuit, a scan signal terminal and a data voltage terminal, respectively, and configured to perform threshold voltage compensation for the driving sub-circuit; the driving sub-circuit further coupled to a light-emitting control sub-circuit and the first voltage terminal, and configured to drive a light-emitting sub-circuit to emit light after threshold voltage compensation has been performed.Type: ApplicationFiled: October 25, 2017Publication date: August 27, 2020Inventors: Yong YU, Chuanyan LAN, Jing LIU, Kwang Gyun JANG
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Publication number: 20190034021Abstract: The disclosure discloses a touch screen and a display device, where the touch screen includes an upper substrate and a lower substrate arranged opposite to each other, and a force sensing electrode element located on a side of the lower substrate facing the upper substrate.Type: ApplicationFiled: May 29, 2018Publication date: January 31, 2019Inventors: Biyu Zhao, Kwang Gyun Jang
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Patent number: 10001879Abstract: The present disclosure discloses a method and a device of optimizing a SNR parameter.Type: GrantFiled: September 30, 2015Date of Patent: June 19, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTORNICS CO., LTD.Inventors: Lina Liu, Kwang-Gyun Jang
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Publication number: 20170075490Abstract: The present disclosure discloses a method and a device of optimizing a SNR parameter.Type: ApplicationFiled: September 30, 2015Publication date: March 16, 2017Inventors: Lina Liu, Kwang-Gyun Jang