Patents by Inventor Wonrae Kim

Wonrae Kim 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: 11972080
    Abstract: A touch display device and a film for the touch display device, capable of increasing power efficiency to provide a hover touch function, by providing a touch display device comprising a display panel having a plurality of subpixels, and having a plurality of data lines and a plurality of gate lines electrically connected with the plurality of subpixels, a touch panel having a plurality of driving touch electrodes positioned to overlap with at least one subpixel among the plurality of subpixels, a touch driving signal for touch sensing applied to one or more driving touch electrodes among the plurality of driving touch electrodes, and a magnetic substance disposed around each of the plurality of driving touch electrodes, on the plurality of driving touch electrodes.
    Type: Grant
    Filed: October 7, 2022
    Date of Patent: April 30, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Wonrae Kim, KyungKook Jang, JongHoon Woo, Sungjin Kim
  • Patent number: 11917856
    Abstract: An organic light-emitting display device includes first to third color filters disposed respectively in first to third sub-pixel areas, a planarization layer disposed on the first to third color filters, and a bank layer disposed on the planarization layer and between adjacent sub-pixel areas, wherein a portion of the second color filter protrudes upwardly beyond a top face of the planarization layer, wherein the bank layer covers the portion of the second color filter protruding upwardly beyond the top face of the planarization layer. The display device has a stack structure of the portion of the blue color filter protruding upwardly beyond a top face of the planarization layer and the bank layer covering the portion, thereby suppressing light leakage between adjacent sub-pixel areas, and improving a lifetime of an organic light emitting element.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: February 27, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Seonghan Hwang, Wonrae Kim
  • Publication number: 20230417698
    Abstract: According to an aspect of the present disclosure, a DNA analysis device includes a substrate; a photosensitive organic layer configured to be disposed on the substrate, and expanded or contracted by reacting to light; a pair of sensing electrodes disposed on the photosensitive organic layer, and spaced apart from each other with a nano gap; and a light irradiation unit configured to irradiate the light to the photosensitive organic layer, and when the photosensitive organic layer is deformed, the nano gap between the pair of sensing electrodes is varied. Accordingly, the nano gap is simply and precisely adjusted by using the photosensitive organic layer which reacts to light to enhance DNA analysis accuracy.
    Type: Application
    Filed: June 21, 2023
    Publication date: December 28, 2023
    Inventors: Wonrae KIM, MuSun KWAK, KyeongJin KIM
  • Publication number: 20230413639
    Abstract: A display apparatus according to an embodiment of the present disclosure includes: a panel which includes a light emitting area and at least one non-light emitting area; a light emitting device which is disposed in the light emitting area and includes a first electrode, a light emitting stack, and a second electrode; a light converter which partitions an opening of the light emitting area and includes a light conversion material; and a capping layer disposed on the second electrode. The light converter includes a light conversion layer and a light amplifier.
    Type: Application
    Filed: May 21, 2021
    Publication date: December 21, 2023
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Wonrae KIM, Seungbum LEE, Younghoon KIM, Yoonsik YANG, Seungcheol YOU
  • Publication number: 20230215991
    Abstract: The present disclosure relates to a display device, including at least one or more light sources disposed for each pixel and a light conversion layer disposed on the light source to convert a wavelength of light generated from the light source, wherein the light conversion layer includes a perovskite matrix and quantum dots.
    Type: Application
    Filed: December 8, 2022
    Publication date: July 6, 2023
    Inventors: DaBin Kim, KyungKook Jang, SeungBum Lee, SeungRyong Lee, ChaeKyung Lim, Wonrae Kim, Jungmin Yoon
  • Publication number: 20230217723
    Abstract: A display device can include a substrate including a display area, a subpixel positioned on the substrate and positioned in the display area, and a black bank positioned on the substrate. The black bank can include a first opening corresponding to an emission area of the subpixel, and quantum dots that absorb light having a wavelength in a visible light region. As a result, the display device can reduce external light reflectance.
    Type: Application
    Filed: November 7, 2022
    Publication date: July 6, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: KyungKook JANG, SeongHan HWANG, DaBin KIM, Wonrae KIM
  • Publication number: 20230217725
    Abstract: An organic light emitting display panel and an organic light emitting display device including the panel are discussed. The organic light emitting display device can include a planarization layer disposed on a substrate, a first electrode disposed on a portion of an upper surface of the planarization layer, a protective pattern surrounding a portion of an upper surface and a side surface of the first electrode, a bank disposed to expose the portion of the upper surface of the first electrode and to be in contact with the portion of the upper surface of the planarization layer while surrounding the protective pattern, a light emitting layer disposed on the bank and disposed on the upper surface of the first electrode that does not overlap the bank, and a second electrode disposed on the light emitting layer. The display device is capable of preventing the first electrode from being contaminated by foreign substances.
    Type: Application
    Filed: November 16, 2022
    Publication date: July 6, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Wonrae KIM, SeongHan HWANG, JuHyuk KIM
  • Publication number: 20230214070
    Abstract: A touch display device and a film for the touch display device, capable of increasing power efficiency to provide a hover touch function, by providing a touch display device comprising a display panel having a plurality of subpixels, and having a plurality of data lines and a plurality of gate lines electrically connected with the plurality of subpixels, a touch panel having a plurality of driving touch electrodes positioned to overlap with at least one subpixel among the plurality of subpixels, a touch driving signal for touch sensing applied to one or more driving touch electrodes among the plurality of driving touch electrodes, and a magnetic substance disposed around each of the plurality of driving touch electrodes, on the plurality of driving touch electrodes.
    Type: Application
    Filed: October 7, 2022
    Publication date: July 6, 2023
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Wonrae KIM, KyungKook JANG, JongHoon WOO, Sungjin KIM
  • Publication number: 20230189604
    Abstract: A transparent display apparatus is provided, which may improve visibility of an image with respect to external light. The transparent display apparatus comprises a substrate including a plurality of pixels, each of which has a light emission area and a transmissive area, and a reproducing plate disposed in parallel with the substrate, wherein the reproducing plate includes a plurality of reproducing portions at least partially overlapped with the transmissive area.
    Type: Application
    Filed: November 9, 2022
    Publication date: June 15, 2023
    Inventors: Wonrae KIM, Jungmin YOON, SeungBum LEE, Seungcheol YOU
  • Publication number: 20230033375
    Abstract: Embodiments of the present disclosure relate to a display device and a server. More specifically, there can be provided a display device which includes a light receiving transistor and a light receiving layer positioned in an active region, and provides an optical signal receiver in the active region, so that there is no need to secure a separate space for the optical signal receiver and high-speed optical communication is possible.
    Type: Application
    Filed: August 2, 2022
    Publication date: February 2, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Wonrae KIM, Yongchan PARK, Seungcheol YOU, Dabin KIM
  • Patent number: 11527593
    Abstract: An organic light-emitting display device includes a substrate; a thin-film transistor layer disposed on the substrate, and including a thin-film transistor including a gate electrode, a source electrode, and a drain electrode; a color filter layer disposed on the thin-film transistor layer and including a red color filter, a green color filter, and a blue color filter; an organic light-emitting element disposed on the color filter layer; and a plurality of out-coupling enhancing members formed in the thin-film transistor layer, wherein the out-coupling enhancing members are spaced from each other at a predetermined spacing and each of the out-coupling enhancing members extends in a stripe shape, and the out-coupling enhancing members vertically overlap the red color filter.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: December 13, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Seungbum Lee, Wonrae Kim, Jungmin Yoon, Sooin Kim
  • Publication number: 20220199692
    Abstract: Discussed is a color filter structure for converting a wavelength of light emitted from a light-emissive element. The color filter structure includes a light-conversion layer containing a first resin and quantum dots dispersed in the first resin, wherein each quantum dot has a core/shell structure. The color filter structure further includes a light-absorbing layer stacked on the light-conversion layer, wherein the light-absorbing layer contains a second resin and semiconductor nano-particles dispersed in the second resin. The semiconductor nano-particles absorb light emitted from the light-emissive element. Accordingly, the color filter structure improves color purity and luminance of the emitted light.
    Type: Application
    Filed: November 3, 2021
    Publication date: June 23, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Kyungkook Jang, Seungryong Lee, Wonrae Kim, Seungcheol You, Dabin Kim
  • Publication number: 20220199678
    Abstract: A display apparatus includes a display panel on which a plurality of pixels are displayed, a plurality of signal lines to which a signal required to drive the display panel is supplied, and an electrostatic discharge circuit connected between each of the plurality of signal lines and the electrostatic discharge line, and the electrostatic discharge circuit includes first and second current paths between the signal line and the electrostatic discharge line, a first electrostatic discharge circuit connected to the first current path, including a plurality of first thin film transistors having a first gate electrode connected to the second current path and a second gate electrode connected to the first current path, and a second electrostatic discharge circuit connected to the second current path, including at least one second thin film transistor having a first gate electrode connected to the first current path and a second gate electrode connected to the first current path.
    Type: Application
    Filed: November 17, 2021
    Publication date: June 23, 2022
    Applicant: LG DISPLAY CO., LTD
    Inventors: Seungcheol YOU, Wonrae KIM, SeungBum LEE
  • Publication number: 20220181385
    Abstract: A display device includes a substrate on which a plurality of sub-pixels are disposed, a first reflective layer disposed on the substrate, a plurality of LEDs disposed in each of the plurality of sub-pixels on the first reflective layer, a plurality of light conversion layers disposed between the first reflective layer and the plurality of LEDs, and a plurality of second reflective layers covering at least a portion of the plurality of LEDs. Light emitted from the plurality of LEDs is reflected by the plurality of second reflective layers, and light having a wavelength longer than that of the light emitted from the plurality of LEDs is emitted upwardly from the plurality of LEDs.
    Type: Application
    Filed: November 23, 2021
    Publication date: June 9, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Wonrae KIM, SeungBum LEE, YoungHoon KIM, Yoonsik YANG
  • Publication number: 20220069259
    Abstract: An organic light-emitting display device includes first to third color filters disposed respectively in first to third sub-pixel areas, a planarization layer disposed on the first to third color filters, and a bank layer disposed on the planarization layer and between adjacent sub-pixel areas, wherein a portion of the second color filter protrudes upwardly beyond a top face of the planarization layer, wherein the bank layer covers the portion of the second color filter protruding upwardly beyond the top face of the planarization layer. The display device has a stack structure of the portion of the blue color filter protruding upwardly beyond a top face of the planarization layer and the bank layer covering the portion, thereby suppressing light leakage between adjacent sub-pixel areas, and improving a lifetime of an organic light emitting element.
    Type: Application
    Filed: August 18, 2021
    Publication date: March 3, 2022
    Inventors: Seonghan Hwang, Wonrae Kim
  • Patent number: 11228012
    Abstract: A self light-emitting display device includes a substrate having a circuit board and a color filter pattern on the circuit board. The circuit board includes a driving thin-film transistor. The display device further includes a passivation film above the substrate, a color conversion pattern above the passivation film and overlapping the color filter pattern, and a light-emitting layer above the passivation film and the color conversion pattern. The light emitting layer includes a flat part and a convex part. The convex part is above the color conversion pattern and protrudes convexly relative to the flat part.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: January 18, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Seungbum Lee, Wonrae Kim, Sooin Kim, Younghoon Kim, Jungmin Yoon, Hyungyu Kim
  • Patent number: 11088237
    Abstract: A self-light emitting display device comprises a circuit board including a driving thin-film transistor; a cathode; an organic film disposed between the circuit board and the cathode; an anode disposed between the circuit board and the organic film; and a color filter disposed between the circuit board and the anode and including a first color filter unit, a second color filter unit, and a third color filter unit; wherein the third color filter unit has a portion disposed between the first color filter unit and the second color filter unit, and wherein the third color filter unit is thicker than the first color filter unit and the second color filter unit.
    Type: Grant
    Filed: September 28, 2019
    Date of Patent: August 10, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Seungbum Lee, Wonrae Kim, Sooin Kim
  • Publication number: 20210202636
    Abstract: An organic light-emitting display device includes a substrate; a thin-film transistor layer disposed on the substrate, and including a thin-film transistor including a gate electrode, a source electrode, and a drain electrode; a color filter layer disposed on the thin-film transistor layer and including a red color filter, a green color filter, and a blue color filter; an organic light-emitting element disposed on the color filter layer; and a plurality of out-coupling enhancing members formed in the thin-film transistor layer, wherein the out-coupling enhancing members are spaced from each other at a predetermined spacing and each of the out-coupling enhancing members extends in a stripe shape, and the out-coupling enhancing members vertically overlap the red color filter.
    Type: Application
    Filed: December 14, 2020
    Publication date: July 1, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Seungbum LEE, Wonrae KIM, Jungmin YOON, Sooin KIM
  • Patent number: 10825872
    Abstract: A self-light emitting display device comprises at least one pixel comprising a first region, a second region and a third region; a blue light emitting diode disposed in the at least one pixel and configured to emit blue light; partitions disposed over the blue light emitting diode and spaced apart from one another, the partitions defining the first region, the second region and the third region; a color conversion pattern disposed over the blue light emitting diode and including a red color converting unit disposed between the partitions in the first region and configured to convert the blue light into red light and a green color converting unit disposed between the partitions in the second region and configured to convert the blue light into green light; and a selective transmission layer configured to transmit the blue light and to reflect the green light and the red light and comprising a first selective transmission region corresponding to the first and second regions, wherein the first selective transmis
    Type: Grant
    Filed: September 28, 2019
    Date of Patent: November 3, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sooin Kim, Seungbum Lee, Wonrae Kim
  • Patent number: 10770516
    Abstract: A self-light emitting display device comprises at least one pixel including a first region and a second region; blue walls spaced apart from each other and dividing the first region and the second region to reflect and scatter blue light; a blue light-emitting layer configured to output the blue light and including a first blue light-emitting unit disposed between the blue walls in the first region, and a second blue light-emitting unit disposed between the blue walls in the second region; and a color conversion layer disposed over the blue light-emitting layer and including a green conversion unit disposed between the blue walls in the first region and configured to convert the blue light into green light, and a red conversion unit disposed between the blue walls in the second region and configured to convert the blue light into red light.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: September 8, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Wonrae Kim, Seungbum Lee, Sooin Kim