Patents by Inventor Buyeol Lee
Buyeol Lee 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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Publication number: 20240411414Abstract: A touch display device includes a plurality of pixel electrodes; a plurality of touch electrodes configured to face the plurality of pixel electrodes, respectively, the plurality of touch electrodes including at least a first touch electrode and a second touch electrode separated from each other; a first signal line connected to the first touch electrode, the first signal line overlapping the second touch electrode without being connected to the second touch electrode; and a second signal line connected to the second touch electrode, the second signal line overlapping the first touch electrode without being connected to the first touch electrode. The first signal line and the second signal line may be configured to apply touch drive signals respectively to the first touch electrode and the second electrode during a touch driving mode.Type: ApplicationFiled: August 21, 2024Publication date: December 12, 2024Applicant: LG Display Co., Ltd.Inventors: Cheolse KIM, Buyeol LEE, Sunjung LEE, Sangsoo HWANG, Yoonhwan WOO, Manhyeop HAN
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Patent number: 12093496Abstract: A touch sensor integrated display device is provided comprising gate lines and data lines formed on a substrate to be intersected with each other, a plurality of pixel electrodes formed at intersections between the gate lines and the data lines, and a common electrode formed to overlap the plurality of pixel electrodes through an insulating film disposed between the common electrode and the plurality of pixel electrodes, wherein the common electrode includes at least two touch electrodes, each of which is connected to at least one of signal lines arranged in one of a first direction and a second direction crossing the first direction.Type: GrantFiled: July 13, 2023Date of Patent: September 17, 2024Assignee: LG Display Co., Ltd.Inventors: Cheolse Kim, Buyeol Lee, Sunjung Lee, Sangsoo Hwang, Yoonhwan Woo, Manhyeop Han
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Publication number: 20240221618Abstract: Disclosed is a transparent micro-LED unit pixel circuit capable of driving red, green, and blue micro-LED elements with one driving transistor to increase an area size of a transmissive area, and a transparent micro-LED display device including the same. The transparent micro-LED unit pixel circuit includes first to third micro-LEDs emitting light based on a driving current; a driving transistor configured to control the driving current, wherein the driving transistor is disposed between and connected to an anode electrode of each of the first micro-LED, the second micro-LED, and the third micro-LED and a high-potential power line; a storage capacitor disposed between and connected to a gate electrode and a source electrode of the driving transistor; and a first transistor configured to apply a data voltage to the gate electrode of the driving transistor.Type: ApplicationFiled: December 22, 2023Publication date: July 4, 2024Inventors: Minseok Kim, Buyeol Lee, Hun Jang, Sanghoon Jung
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Publication number: 20240178200Abstract: A display device comprises a support substrate, a plurality of link lines disposed on the support substrate, a plurality of first flexible films disposed on one side of the support substrate and electrically connected to the plurality of link lines, a plurality of display modules disposed on or under the support substrate and including a plurality of pixels and a plurality of signal lines and a plurality of connection members disposed between the support substrate and the plurality of display modules and electrically connecting the plurality of link lines and the plurality of signal lines. Therefore, A display device with a large screen may be provided.Type: ApplicationFiled: November 13, 2023Publication date: May 30, 2024Applicant: LG DISPLAY CO., LTD.Inventors: Juhyun NAM, YongMin HA, BuYeol LEE, Hun JANG
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Publication number: 20230359313Abstract: A touch sensor integrated display device is provided comprising gate lines and data lines formed on a substrate to be intersected with each other, a plurality of pixel electrodes formed at intersections between the gate lines and the data lines, and a common electrode formed to overlap the plurality of pixel electrodes through an insulating film disposed between the common electrode and the plurality of pixel electrodes, wherein the common electrode includes at least two touch electrodes, each of which is connected to at least one of signal lines arranged in one of a first direction and a second direction crossing the first direction.Type: ApplicationFiled: July 13, 2023Publication date: November 9, 2023Applicant: LG DISPLAY CO., LTD.Inventors: Cheolse KIM, Buyeol LEE, Sunjung LEE, Sangsoo HWANG, Yoonhwan WOO, Manhyeop HAN
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Patent number: 11740749Abstract: A touch sensor integrated display device is provided comprising gate lines and data lines formed on a substrate to be intersected with each other, a plurality of pixel electrodes formed at intersections between the gate lines and the data lines, and a common electrode formed to overlap the plurality of pixel electrodes through an insulating film disposed between the common electrode and the plurality of pixel electrodes, wherein the common electrode includes at least two touch electrodes, each of which is connected to at least one of signal lines arranged in one of a first direction and a second direction crossing the first direction.Type: GrantFiled: October 25, 2021Date of Patent: August 29, 2023Assignee: LG Display Co., Ltd.Inventors: Cheolse Kim, Buyeol Lee, Sunjung Lee, Sangsoo Hwang, Yoonhwan Woo, Manhyeop Han
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Patent number: 11610959Abstract: An organic light-emitting display device comprises a display panel having a transmission area through which external light passes, and a non-transmission area having transmittance lower than that of the transmission area; a data driver supplying a data signal to the display panel; a gate driver supplying a gate signal to the display panel; a timing controller controlling the data driver and the gate driver; and a sensor package module disposed on a rear surface of the display panel and disposed to correspond to the transmission area, wherein the number of conductive films stacked in the transmission area is smaller than that of conductive films stacked in the non-transmission area.Type: GrantFiled: December 11, 2019Date of Patent: March 21, 2023Assignee: LG DISPLAY CO., LTD.Inventors: JongHee Hwang, BuYeol Lee, EunJung Kim
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Patent number: 11513641Abstract: Embodiments described herein is able to provide a touch display device, an active pen, a touch system, a touch circuit, and a pen recognition method capable of efficiently providing a display function, a touch-sensing function, and a pen-touch-sensing function.Type: GrantFiled: February 26, 2021Date of Patent: November 29, 2022Assignee: LG Display Co., Ltd.Inventors: SangHyuck Bae, BuYeol Lee, SeungRok Shin, CheolSe Kim, DeukSu Lee, Hyunwoo Jang, Jaeseung Kim, YoungGyu Kim, Hyunsuk Cho
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Patent number: 11487371Abstract: The present embodiments relate to a touch technology and, more particularly, to a touch display device, which includes multiple first electrodes embedded in a display panel, at least one second electrode positioned outside the display panel, and a touch force sensing gap existing between the multiple first electrodes and the at least one second electrode, a method for driving the same, and a driving circuit for driving the multiple first electrodes and the at least one second electrode. The present embodiments, as described above, make it possible to sense not only a touch position, but also a touch force, with which the user presses the screen during a touch.Type: GrantFiled: May 11, 2020Date of Patent: November 1, 2022Assignee: LG Display Co., Ltd.Inventors: CheolSe Kim, BuYeol Lee, YongChan Park, Suyun Ju
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Patent number: 11398538Abstract: Disclosed are a light emitting diode display device and a multi-screen display device using the same, which include a reduced or minimized bezel area. The light emitting diode display device includes a substrate including a first display area and a second display area outside of the first display area, a plurality of first unit pixels in the first display area, the plurality of first unit pixels each including a plurality of subpixels each including a micro light emitting device, and a plurality of second unit pixels in the second display area adjacent an edge of the substrate. A distance between the second unit pixel and an outer surface of the substrate is equal to or less than half of a reference pixel pitch at which the plurality of first unit pixels are arranged.Type: GrantFiled: February 11, 2020Date of Patent: July 26, 2022Assignee: LG Display Co., Ltd.Inventors: HyeonHo Son, WooNam Jeong, SeungChul Lee, BuYeol Lee
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Publication number: 20220113840Abstract: A touch sensor integrated display device is provided comprising gate lines and data lines formed on a substrate to be intersected with each other, a plurality of pixel electrodes formed at intersections between the gate lines and the data lines, and a common electrode formed to overlap the plurality of pixel electrodes through an insulating film disposed between the common electrode and the plurality of pixel electrodes, wherein the common electrode includes at least two touch electrodes, each of which is connected to at least one of signal lines arranged in one of a first direction and a second direction crossing the first direction.Type: ApplicationFiled: October 25, 2021Publication date: April 14, 2022Applicant: LG DISPLAY CO., LTD.Inventors: Cheolse KIM, Buyeol LEE, Sunjung LEE, Sangsoo HWANG, Yoonhwan WOO, Manhyeop HAN
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Patent number: 11188163Abstract: A touch display device comprises a display panel including a plurality of light-emitting diodes respectively including an anode electrode and a cathode electrode; a touch sensor disposed at a first area of the display panel; a light-emitting element disposed on the cathode electrode at a second area of the display panel; and a light-receiving sensor disposed on a rear surface of the display panel.Type: GrantFiled: December 26, 2019Date of Patent: November 30, 2021Assignee: LG DISPLAY CO., LTD.Inventors: JongHee Hwang, KiDuk Kim, BuYeol Lee
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Patent number: 11157123Abstract: A touch sensor integrated display device is provided comprising gate lines and data lines formed on a substrate to be intersected with each other, a plurality of pixel electrodes formed at intersections between the gate lines and the data lines, and a common electrode formed to overlap the plurality of pixel electrodes through an insulating film disposed between the common electrode and the plurality of pixel electrodes, wherein the common electrode includes at least two touch electrodes, each of which is connected to at least one of signal lines arranged in one of a first direction and a second direction crossing the first direction.Type: GrantFiled: April 13, 2020Date of Patent: October 26, 2021Assignee: LG Display Co., Ltd.Inventors: Cheolse Kim, Buyeol Lee, Sunjung Lee, Sangsoo Hwang, Yoonhwan Woo, Manhyeop Han
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Publication number: 20210181893Abstract: Embodiments described herein is able to provide a touch display device, an active pen, a touch system, a touch circuit, and a pen recognition method capable of efficiently providing a display function, a touch-sensing function, and a pen-touch-sensing function.Type: ApplicationFiled: February 26, 2021Publication date: June 17, 2021Inventors: SangHyuck BAE, BuYeol LEE, SeungRok SHIN, CheolSe KIM, DeukSu LEE, Hyunwoo JANG, Jaeseung KIM, YoungGyu KIM, Hyunsuk CHO
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Patent number: 11003265Abstract: Disclosed herein is a touch sensor integrated type electroluminescent display device having a plurality of gate lines and data lines crossing over each other; a plurality of pixel electrodes to which data signals are supplied through the plurality of data lines; and a touch electrode configured to overlap the plurality of pixel electrodes, wherein a touch driving signal is supplied to the touch electrode and then a touch position is detected from sensing the touch electrode.Type: GrantFiled: October 27, 2017Date of Patent: May 11, 2021Assignee: LG DISPLAY CO., LTD.Inventors: Jaegyun Lee, Jihyun Jung, Buyeol Lee, Sangkyu Kim, Ruda Rhe, Hyangmyoung Gwon
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Patent number: 10963107Abstract: Embodiments described herein is able to provide a touch display device, an active pen, a touch system, a touch circuit, and a pen recognition method capable of efficiently providing a display function, a touch-sensing function, and a pen-touch-sensing function.Type: GrantFiled: October 2, 2019Date of Patent: March 30, 2021Assignee: LG Display Co., Ltd.Inventors: SangHyuck Bae, BuYeol Lee, SeungRok Shin, CheolSe Kim, DeukSu Lee, Hyunwoo Jang, Jaeseung Kim, YoungGyu Kim, Hyunsuk Cho
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Patent number: 10949038Abstract: An organic light-emitting display panel having a built-in touchscreen includes a plurality of subpixels defined therein by a plurality of data lines and a plurality of gate lines, an encapsulation layer having an encapsulating function, and a color filter layer located on the encapsulation layer. An organic light-emitting display device includes the organic light-emitting display panel. Both the organic light-emitting display panel having a built-in touchscreen and the organic light-emitting display device having a built-in touchscreen is provided with a structure enabling a touchscreen disposed therewithin.Type: GrantFiled: November 27, 2019Date of Patent: March 16, 2021Assignee: LG Display Co., Ltd.Inventors: Hyangmyoung Gwon, SeungHee Nam, Kwon-Shik Park, DeukSu Lee, BuYeol Lee, Yangsik Lee
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Patent number: 10818233Abstract: An organic light-emitting display device includes a display panel includes an active area in which a plurality of subpixels are arrayed, and a bezel area in which lines, through which a signal and a voltage to be supplied to the subpixels are transferred, are disposed, wherein each subpixels has a cathode and an anode; a data driver supplying a data signal to the subpixels; a gate driver supplying a data signal to the subpixels; a timing controller controlling the data driver and the gate driver; and a sensor package module having a portion that overlaps the active area.Type: GrantFiled: August 6, 2019Date of Patent: October 27, 2020Assignee: LG DISPLAY CO., LTD.Inventors: EunJung Kim, JongHee Hwang, BuYeol Lee, Sujin Kwon
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Publication number: 20200264726Abstract: The present embodiments relate to a touch technology and, more particularly, to a touch display device, which includes multiple first electrodes embedded in a display panel, at least one second electrode positioned outside the display panel, and a touch force sensing gap existing between the multiple first electrodes and the at least one second electrode, a method for driving the same, and a driving circuit for driving the multiple first electrodes and the at least one second electrode. The present embodiments, as described above, make it possible to sense not only a touch position, but also a touch force, with which the user presses the screen during a touch.Type: ApplicationFiled: May 11, 2020Publication date: August 20, 2020Inventors: CheolSe KIM, BuYeol LEE, YongChan PARK, Suyun JU
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Patent number: 10741621Abstract: Disclosed is a display device including a display panel configured to be situated under a transparent substrate and display an image on a display area toward the transparent substrate, a fingerprint sensor under the display panel to detect a fingerprint contacting the transparent substrate, and a drive integrated circuit (drive IC) configured to drive the display panel.Type: GrantFiled: November 20, 2017Date of Patent: August 11, 2020Assignee: LG DISPLAY CO., LTD.Inventors: Kyoseop Choo, Buyeol Lee, Jonghee Hwang, Guensik Lee