Patents by Inventor Yeonwook KANG
Yeonwook KANG 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).
-
Publication number: 20240272747Abstract: A display device can include a display panel including touch electrodes and pixels arranged at intersection portions of data lines and gate lines, a controller unit configured to output a touch enable signal to distinguish a display driving section for displaying image and a touch driving section for providing a touch driving signal, a data driver configured to output a data voltage to each of the plurality of data lines and a gate driver configured to output a gate signal to each of the plurality of gate lines in the display driving section, and a touch driver configured to provide the touch driving signal to the touch electrodes in the touch driving section. Also, a frame section between a start of one cycle of a vertical synchronization signal and a start of a next cycle of the vertical synchronization signal comprises a plurality of long horizontal blank (LHB) sections.Type: ApplicationFiled: April 22, 2024Publication date: August 15, 2024Applicant: LG Display Co., Ltd.Inventor: Yeonwook KANG
-
Patent number: 11995268Abstract: A display device can include a display panel including pixels and touch electrodes; a timing controller to output a touch enable signal based on a display driving section for displaying image and a second level in a touch driving section for providing a touch driving signal to the touch electrodes; and a touch driver configured to provide a common voltage or the touch driving signal to the touch electrodes based on the touch-enable signal, in which a frame section comprises a plurality of long horizontal blank (LHB) sections, each including the display driving section and the touch driving section. Also, the touch enable signal includes a first level during the display driving section and second level during the touch driving section, the timing controller adjusts the touch enable signal by varying a period of the first level and a period of the second level.Type: GrantFiled: June 29, 2023Date of Patent: May 28, 2024Assignee: LG DISPLAY CO., LTD.Inventor: Yeonwook Kang
-
Publication number: 20230341973Abstract: A display device can include a display panel including pixels and touch electrodes; a timing controller to output a touch enable signal based on a display driving section for displaying image and a second level in a touch driving section for providing a touch driving signal to the touch electrodes; and a touch driver configured to provide a common voltage or the touch driving signal to the touch electrodes based on the touch-enable signal, in which a frame section comprises a plurality of long horizontal blank (LHB) sections, each including the display driving section and the touch driving section. Also, the touch enable signal includes a first level during the display driving section and second level during the touch driving section, the timing controller adjusts the touch enable signal by varying a period of the first level and a period of the second level.Type: ApplicationFiled: June 29, 2023Publication date: October 26, 2023Applicant: LG Display Co., Ltd.Inventor: Yeonwook KANG
-
Patent number: 11733805Abstract: A display device can include a display panel including a plurality of pixels and touch electrodes configured to sense a touch input, and a timing controller configured to generate a vertical synchronization signal and a horizontal synchronization signal for controlling the display panel to display an image based on an image signal, and adjust the horizontal synchronization signal by varying a horizontal time period corresponding to a time period interval for individual cycles of the horizontal synchronization signal.Type: GrantFiled: December 3, 2021Date of Patent: August 22, 2023Assignee: LG DISPLAY CO., LTD.Inventor: Yeonwook Kang
-
Patent number: 11557242Abstract: A display apparatus is disclosed, which comprises a display panel including pixels connected to the gate lines and data lines, a data driver configured to sequentially output data signals and output selection signals, and a distributor comprised of transistors connected to each of the data lines and switched in accordance with the selection signal to output the data signals sequentially output from each of a plurality of source channels to the connected data lines, wherein a cycle of each of the selection signals has a transistor-on period and a transistor-off period, a first cycle of a first selection signal among the selection signals is different from a second cycle of the first selection signal, and a first transistor-off period in the first cycle of the first selection signal is different from a second transistor-off period in the second cycle of the first selection signal.Type: GrantFiled: April 22, 2022Date of Patent: January 17, 2023Assignee: LG Display Co., Ltd.Inventor: YeonWook Kang
-
Publication number: 20220270534Abstract: A display apparatus is disclosed, which comprises a display panel including pixels connected to the gate lines and data lines, a data driver configured to sequentially output data signals and output selection signals, and a distributor comprised of transistors connected to each of the data lines and switched in accordance with the selection signal to output the data signals sequentially output from each of a plurality of source channels to the connected data lines, wherein a cycle of each of the selection signals has a transistor-on period and a transistor-off period, a first cycle of a first selection signal among the selection signals is different from a second cycle of the first selection signal, and a first transistor-off period in the first cycle of the first selection signal is different from a second transistor-off period in the second cycle of the first selection signal.Type: ApplicationFiled: April 22, 2022Publication date: August 25, 2022Inventor: YeonWook KANG
-
Publication number: 20220206660Abstract: A display device can include a display panel including a plurality of pixels and touch electrodes configured to sense a touch input, and a timing controller configured to generate a vertical synchronization signal and a horizontal synchronization signal for controlling the display panel to display an image based on an image signal, and adjust the horizontal synchronization signal by varying a horizontal time period corresponding to a time period interval for individual cycles of the horizontal synchronization signal.Type: ApplicationFiled: December 3, 2021Publication date: June 30, 2022Applicant: LG Display Co., Ltd.Inventor: Yeonwook KANG
-
Patent number: 11341887Abstract: A display apparatus is disclosed, which comprises a display panel including pixels formed in a pixel area defined by intersection between gate lines and data lines, a data driver sequentially outing data signals per sub horizontal period in one horizontal period and outputting a selection signal including a transistor on period corresponding to the sub horizontal period, and a distributor comprised of transistors connected to each of the data lines and switched in accordance with the selection signal to output the data signals sequentially output from each of a plurality of source channels to the connected data lines, wherein the transistor on period in the selection signal is different from the sub horizontal period.Type: GrantFiled: December 14, 2020Date of Patent: May 24, 2022Assignee: LG Display Co., Ltd.Inventor: YeonWook Kang
-
Publication number: 20210201737Abstract: A display apparatus is disclosed, which comprises a display panel including pixels formed in a pixel area defined by intersection between gate lines and data lines, a data driver sequentially outing data signals per sub horizontal period in one horizontal period and outputting a selection signal including a transistor on period corresponding to the sub horizontal period, and a distributor comprised of transistors connected to each of the data lines and switched in accordance with the selection signal to output the data signals sequentially output from each of a plurality of source channels to the connected data lines, wherein the transistor on period in the selection signal is different from the sub horizontal period.Type: ApplicationFiled: December 14, 2020Publication date: July 1, 2021Inventor: YeonWook KANG
-
Patent number: 10866672Abstract: A signal transmission device for transmitting touch data and a display device using the same are disclosed. The signal transmission device includes a plurality of integrated circuits driving touch sensors and outputting touch data obtained from the touch sensors, a controller controlling the integrated circuits and determining a touch input on the basis of the touch data received from the integrated circuits; and a plurality of lines connecting the controller and the integrated circuits in a multi-point manner. The controller and the integrated circuits communicate with each other in both directions via the lines. A data packet of differential signal transmitted between the controller and the integrated circuits includes a header interval, a register address interval, and a data interval allocated between a start dummy clock and an end dummy clock.Type: GrantFiled: August 21, 2019Date of Patent: December 15, 2020Assignee: LG Display Co., Ltd.Inventors: Seungpyo Seo, Yeonwook Kang
-
Patent number: 10705647Abstract: Embodiments of the present application provide a touch control circuit, a touch driving circuit, and a touch display device, which selectively change and set one or more of a waveform, an amplitude voltage, and a pulse period of a touch driving signal without reduction in touch performance, and thus, provide a touch display device and an application device which are stable and reliable. Also, embodiments of the present application provide a touch control circuit, a touch driving circuit, and a touch display device, which selectively change and set one or more of a waveform, an amplitude voltage, and a pulse period of a load free signal without reduction in touch performance, and thus, provide a touch display device and an application device which are stable and reliable.Type: GrantFiled: December 22, 2017Date of Patent: July 7, 2020Assignee: LG Display Co., Ltd.Inventor: YeonWook Kang
-
Publication number: 20200097112Abstract: A signal transmission device for transmitting touch data and a display device using the same are disclosed. The signal transmission device includes a plurality of integrated circuits driving touch sensors and outputting touch data obtained from the touch sensors, a controller controlling the integrated circuits and determining a touch input on the basis of the touch data received from the integrated circuits; and a plurality of lines connecting the controller and the integrated circuits in a multi-point manner. The controller and the integrated circuits communicate with each other in both directions via the lines. A data packet of differential signal transmitted between the controller and the integrated circuits includes a header interval, a register address interval, and a data interval allocated between a start dummy clock and an end dummy clock.Type: ApplicationFiled: August 21, 2019Publication date: March 26, 2020Inventors: Seungpyo SEO, Yeonwook Kang
-
Publication number: 20180188882Abstract: Embodiments of the present application provide a touch control circuit, a touch driving circuit, and a touch display device, which selectively change and set one or more of a waveform, an amplitude voltage, and a pulse period of a touch driving signal without reduction in touch performance, and thus, provide a touch display device and an application device which are stable and reliable. Also, embodiments of the present application provide a touch control circuit, a touch driving circuit, and a touch display device, which selectively change and set one or more of a waveform, an amplitude voltage, and a pulse period of a load free signal without reduction in touch performance, and thus, provide a touch display device and an application device which are stable and reliable.Type: ApplicationFiled: December 22, 2017Publication date: July 5, 2018Inventor: YeonWook KANG
-
Patent number: 9721914Abstract: An array substrate for a display device can include a substrate, a pad positioned on the substrate, an insulating layer positioned on the pad and including a plurality of open portions exposing the pad, a first metal layer positioned on the insulating layer and disposed to be in contact with the pad, a second metal layer positioned on the first metal layer, and a bump electrode positioned on the second metal layer and including a plurality of dimples.Type: GrantFiled: December 14, 2015Date of Patent: August 1, 2017Assignee: LG DISPLAY CO., LTD.Inventor: Yeonwook Kang
-
Publication number: 20160190081Abstract: An array substrate for a display device can include a substrate, a pad positioned on the substrate, an insulating layer positioned on the pad and including a plurality of open portions exposing the pad, a first metal layer positioned on the insulating layer and disposed to be in contact with the pad, a second metal layer positioned on the first metal layer, and a bump electrode positioned on the second metal layer and including a plurality of dimples.Type: ApplicationFiled: December 14, 2015Publication date: June 30, 2016Applicant: LG DISPLAY CO., LTD.Inventor: Yeonwook KANG