Patents by Inventor Deuk Su Lee

Deuk Su 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).

  • Patent number: 11903291
    Abstract: An organic light-emitting display device having a touch sensor is discussed. The organic light-emitting display device includes a touch sensor formed in a single-layer structure and disposed on an encapsulation unit disposed on a light-emitting element. First and second bridges and first and second touch electrodes included in the touch sensor having a single-layer structure are formed of the same material as each other in the same plane, e.g., on the uppermost layer of the encapsulation unit, thereby simplifying the structure thereof and reducing costs.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: February 13, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hyang-Myoung Gwon, Ji-Hyun Jung, Deuk-Su Lee, Su-Chang An, Jae-Gyun Lee, Ru-Da Rhe, Yang-Sik Lee
  • Publication number: 20230244338
    Abstract: Disclosed is an organic light emitting display having reduced thickness and weight. The organic light emitting display with a touch sensor removes the necessity of an additional adhesion process by directly forming a touch sensor including a touch sensing line and a touch driving line and a color filter on the encapsulation layer covering a light emitting device, thereby simplifying a manufacturing process and reducing manufacturing costs.
    Type: Application
    Filed: April 13, 2023
    Publication date: August 3, 2023
    Inventors: Jae-Won Lee, Seung-Hee NAM, Min-Joo KIM, Kwon-Shik PARK, Jae-Young OH, Deuk-Su LEE, Bu-Yeol LEE, Eun-Hye LEE, Tae-hwan KIM
  • Patent number: 11656701
    Abstract: Disclosed is an organic light emitting display having reduced thickness and weight. The organic light emitting display with a touch sensor removes the necessity of an additional adhesion process by directly forming a touch sensor including a touch sensing line and a touch driving line and a color filter on the encapsulation layer covering a light emitting device, thereby simplifying a manufacturing process and reducing manufacturing costs.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: May 23, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Won Lee, Seung-Hee Nam, Min-Joo Kim, Kwon-Shik Park, Jae-Young Oh, Deuk-Su Lee, Bu-Yeol Lee, Eun-Hye Lee, Tae-hwan Kim
  • Patent number: 11507233
    Abstract: A touch display device includes a touch sensor and having a touch area and a non-display area at a side of the touch area. The non-display area include a touch driving part. The touch display device includes: a plurality of driving electrodes in the touch area, the plurality of driving electrodes connected to each other through at least one bridge line to constitute a plurality of row touch driving lines; a plurality of sensing electrodes crossing the plurality of driving electrodes in the touch area; and at least one driving routing line from the at least one bridge line connecting the plurality of driving electrodes, wherein the at least one driving routing line extends from the touch area to the non-display area.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: November 22, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Hyang-Myoung Gwon, Ji-Hyun Jung, Deuk-Su Lee, Su-Chang An, Jae-Gyun Lee, Ru-Da Rhe
  • Patent number: 11462597
    Abstract: An organic light-emitting display device can include a light-emitting element on a substrate; an encapsulation unit on the light-emitting element and including first and second inorganic encapsulation films, and an organic encapsulation film; a touch insulating film on the second inorganic encapsulation film; a touch sensor including first and second touch electrodes; a routing line; a touch pad; and a plurality of connection electrodes electrically connecting the routing line with the touch pad, in which the first touch electrodes are connected via first bridges, the second touch electrodes are connected via second bridges, and the first and second bridges and the first and second touch electrodes are formed of a same material as each other in a same plane.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: October 4, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hyang-Myoung Gwon, Ji-Hyun Jung, Deuk-Su Lee, Su-Chang An, Jae-Gyun Lee, Ru-Da Rhe, Yang-Sik Lee
  • Publication number: 20220187948
    Abstract: A touch display device includes a touch sensor and having a touch area and a non-display area at a side of the touch area. The non-display area include a touch driving part. The touch display device includes: a plurality of driving electrodes in the touch area, the plurality of driving electrodes connected to each other through at least one bridge line to constitute a plurality of row touch driving lines; a plurality of sensing electrodes crossing the plurality of driving electrodes in the touch area; and at least one driving routing line from the at least one bridge line connecting the plurality of driving electrodes, wherein the at least one driving routing line extends from the touch area to the non-display area.
    Type: Application
    Filed: June 22, 2021
    Publication date: June 16, 2022
    Inventors: Hyang-Myoung Gwon, Ji-Hyun Jung, Deuk-Su Lee, Su-Chang An, Jae-Gyun Lee, Ru-Da Rhe
  • Patent number: 11360594
    Abstract: A touch display device includes a unit pixel disposed on a substrate, the unit pixel comprising a plurality of subpixels; a light-emitting element disposed at each of the plurality of subpixels; an encapsulation unit disposed on the light-emitting element; a plurality of touch electrodes disposed on the encapsulation unit; a touch line connected to each of the plurality of touch electrodes, the touch line extending through the touch electrode; and at least one redundant electrode spaced apart from the touch electrode, the redundant electrode being independently disposed in each of the plurality of touch electrodes, the redundant electrode being disposed in the unit pixel. The redundant electrode is disposed along the touch line, whereby it is possible to reduce parasitic capacitance formed between the touch line and the touch electrode.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: June 14, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Su-Chang An, Jae-Gyun Lee, Hyang-Myoung Gwon, Deuk-Su Lee
  • Patent number: 11231799
    Abstract: A touch display device includes a touch sensing electrode and a touch drive electrode disposed on an encapsulation unit configured to encapsulate a light-emitting element, the touch sensing electrode and the touch drive electrode being configured to form a first mutual capacitor, and first and second compensation electrodes disposed in a non-active area of a substrate so as to be opposite each other, the first and second compensation electrodes being configured to form a second mutual capacitor, whereby the value of capacitance of all mutual capacitors is increased, and therefore it is possible to prevent deterioration in touch performance.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: January 25, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Ru-Da Rhe, Ji-Hyun Jung, Deuk-Su Lee, Sang-Kyu Kim, Jae-Gyun Lee, Hyang-Myoung Gwon
  • Publication number: 20210351240
    Abstract: An organic light-emitting display device can include a light-emitting element on a substrate; an encapsulation unit on the light-emitting element and including first and second inorganic encapsulation films, and an organic encapsulation film; a touch insulating film on the second inorganic encapsulation film; a touch sensor including first and second touch electrodes; a routing line; a touch pad; and a plurality of connection electrodes electrically connecting the routing line with the touch pad, in which the first touch electrodes are connected via first bridges, the second touch electrodes are connected via second bridges, and the first and second bridges and the first and second touch electrodes are formed of a same material as each other in a same plane.
    Type: Application
    Filed: July 26, 2021
    Publication date: November 11, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Hyang-Myoung GWON, Ji-Hyun JUNG, Deuk-Su LEE, Su-Chang AN, Jae-Gyun LEE, Ru-Da RHE, Yang-Sik LEE
  • Patent number: 11114510
    Abstract: An organic light-emitting display device having a touch sensor is discussed. The organic light-emitting display device can include a touch sensor formed in a single-layer structure and disposed on a touch insulating film overlapping an encapsulation unit disposed on a light-emitting element. First and second bridges and first and second touch electrodes included in the touch sensor having a single-layer structure are formed of the same material as each other in the same plane, e.g., on the touch insulating film, thereby simplifying the structure thereof and reducing costs.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: September 7, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hyang-Myoung Gwon, Ji-Hyun Jung, Deuk-Su Lee, Su-Chang An, Jae-Gyun Lee, Ru-Da Rhe, Yang-Sik Lee
  • Publication number: 20210103352
    Abstract: Disclosed is an organic light emitting display having reduced thickness and weight. The organic light emitting display with a touch sensor removes the necessity of an additional adhesion process by directly forming a touch sensor including a touch sensing line and a touch driving line and a color filter on the encapsulation layer covering a light emitting device, thereby simplifying a manufacturing process and reducing manufacturing costs.
    Type: Application
    Filed: November 23, 2020
    Publication date: April 8, 2021
    Inventors: Jae-Won LEE, Seung-Hee NAM, Min-Joo KIM, Kwon-Shik PARK, Jae-Young OH, Deuk-Su LEE, Bu-Yeol LEE, Eun-Hye LEE, Tae-hwan KIM
  • Publication number: 20210055816
    Abstract: A touch display device includes a unit pixel disposed on a substrate, the unit pixel comprising a plurality of subpixels; a light-emitting element disposed at each of the plurality of subpixels; an encapsulation unit disposed on the light-emitting element; a plurality of touch electrodes disposed on the encapsulation unit; a touch line connected to each of the plurality of touch electrodes, the touch line extending through the touch electrode; and at least one redundant electrode spaced apart from the touch electrode, the redundant electrode being independently disposed in each of the plurality of touch electrodes, the redundant electrode being disposed in the unit pixel. The redundant electrode is disposed along the touch line, whereby it is possible to reduce parasitic capacitance formed between the touch line and the touch electrode.
    Type: Application
    Filed: July 21, 2020
    Publication date: February 25, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Su-Chang AN, Jae-Gyun LEE, Hyang-Myoung GWON, Deuk-Su LEE
  • Publication number: 20210048907
    Abstract: A touch display device includes a touch sensing electrode and a touch drive electrode disposed on an encapsulation unit configured to encapsulate a light-emitting element, the touch sensing electrode and the touch drive electrode being configured to form a first mutual capacitor, and first and second compensation electrodes disposed in a non-active area of a substrate so as to be opposite each other, the first and second compensation electrodes being configured to form a second mutual capacitor, whereby the value of capacitance of all mutual capacitors is increased, and therefore it is possible to prevent deterioration in touch performance.
    Type: Application
    Filed: July 7, 2020
    Publication date: February 18, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Ru-Da RHE, Ji-Hyun JUNG, Deuk-Su LEE, Sang-Kyu KIM, Jae-Gyun LEE, Hyang-Myoung GWON
  • Patent number: 10877584
    Abstract: Disclosed is an organic light emitting display having reduced thickness and weight. The organic light emitting display with a touch sensor removes the necessity of an additional adhesion process by directly forming a touch sensor including a touch sensing line and a touch driving line and a color filter on the encapsulation layer covering a light emitting device, thereby simplifying a manufacturing process and reducing manufacturing costs.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: December 29, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Won Lee, Seung-Hee Nam, Min-Joo Kim, Kwon-Shik Park, Jae-Young Oh, Deuk-Su Lee, Bu-Yeol Lee, Eun-Hye Lee, Tae-hwan Kim
  • Patent number: 10809829
    Abstract: Disclosed are an organic light emitting display device and a method of manufacturing the same to reduce thickness and weight. The organic light emitting display device with a touch sensor removes the necessity of an additional adhesion process by directly forming a touch sensing electrode and a touch driving electrode arranged in parallel and a color filter on an encapsulation layer covering a light emitting device, thereby simplifying a manufacturing process and reducing manufacturing costs.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: October 20, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Won Lee, Seung-Hee Nam, Min-Joo Kim, Kwon-Shik Park, Jae-Young Oh, Deuk-Su Lee, Bu-Yeol Lee, Eun-Hye Lee
  • Patent number: 10551979
    Abstract: A touch display device and a touch display panel. Touch lines and contact pads are disposed between touch electrodes, arranged in touch electrode lines in the touch display panel, and a driver circuit. A total of the area of each touch line and the area of the corresponding contact pad has a predetermined value. Differences in parasitic capacitance among the touch lines according to the positions of the touch electrodes are compensated for. It is possible to prevent the accuracy of sensing from being lowered by differences in parasitic capacitance among the touch electrodes disposed in different positions.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: February 4, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yangsik Lee, Jae Gyun Lee, Deuk Su Lee
  • Publication number: 20190326361
    Abstract: An organic light-emitting display device having a touch sensor is discussed. The organic light-emitting display device includes a touch sensor formed in a single-layer structure and disposed on an encapsulation unit disposed on a light-emitting element. First and second bridges and first and second touch electrodes included in the touch sensor having a single-layer structure are formed of the same material as each other in the same plane, e.g., on the uppermost layer of the encapsulation unit, thereby simplifying the structure thereof and reducing costs.
    Type: Application
    Filed: April 18, 2019
    Publication date: October 24, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: Hyang-Myoung GWON, Ji-Hyun JUNG, Deuk-Su LEE, Su-Chang AN, Jae-Gyun LEE, Ru-Da RHE, Yang-Sik LEE
  • Publication number: 20190326360
    Abstract: An organic light-emitting display device having a touch sensor is discussed. The organic light-emitting display device can include a touch sensor formed in a single-layer structure and disposed on a touch insulating film overlapping an encapsulation unit disposed on a light-emitting element. First and second bridges and first and second touch electrodes included in the touch sensor having a single-layer structure are formed of the same material as each other in the same plane, e.g., on the touch insulating film, thereby simplifying the structure thereof and reducing costs.
    Type: Application
    Filed: April 18, 2019
    Publication date: October 24, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: Hyang-Myoung GWON, Ji-Hyun JUNG, Deuk-Su LEE, Su-Chang AN, Jae-Gyun LEE, Ru-Da RHE, Yang-Sik LEE
  • Publication number: 20180348907
    Abstract: A touch display device and a touch display panel. Touch lines and contact pads are disposed between touch electrodes, arranged in touch electrode lines in the touch display panel, and a driver circuit. A total of the area of each touch line and the area of the corresponding contact pad has a predetermined value. Differences in parasitic capacitance among the touch lines according to the positions of the touch electrodes are compensated for. It is possible to prevent the accuracy of sensing from being lowered by differences in parasitic capacitance among the touch electrodes disposed in different positions.
    Type: Application
    Filed: December 21, 2017
    Publication date: December 6, 2018
    Inventors: Yangsik LEE, Jae Gyun LEE, Deuk Su LEE
  • Publication number: 20180095566
    Abstract: Disclosed is an organic light emitting display having reduced thickness and weight. The organic light emitting display with a touch sensor removes the necessity of an additional adhesion process by directly forming a touch sensor including a touch sensing line and a touch driving line and a color filter on the encapsulation layer covering a light emitting device, thereby simplifying a manufacturing process and reducing manufacturing costs.
    Type: Application
    Filed: February 21, 2017
    Publication date: April 5, 2018
    Inventors: Jae-Won LEE, Seung-Hee NAM, Min-Joo KIM, Kwon-Shik PARK, Jae-Young OH, Deuk-Su LEE, Bu-Yeol LEE, Eun-Hye LEE, Tae-hwan KIM