Patents by Inventor Choong-Youl Im

Choong-Youl Im 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: 20240122025
    Abstract: A display device includes: a pixel defining layer defining openings arranged in first and second directions, the openings forming emission areas in which light emitting elements are disposed to emit light of different colors; a light blocking layer disposed on the pixel defining layer, and defining holes, each overlapping the opening and having a larger diameter than the opening; and color filters disposed on the light blocking layer to overlap the holes and overlap the emission areas. The opening has an opening interval, which is defined as a difference in diameter between the overlapping hole and the opening, in the openings, among homogeneous openings in which the light emitting elements for emitting light of the same color are disposed, the homogeneous openings adjacent in the first or second direction have different opening intervals, and among the homogeneous openings, openings having different opening intervals are at least three types.
    Type: Application
    Filed: May 2, 2023
    Publication date: April 11, 2024
    Inventors: Chan Young KIM, Yeong Ho LEE, Ha Seok JEON, Jun Hee LEE, Choong Youl IM, Hyun Duck CHO, Kook Hyun CHOI
  • Patent number: 11925091
    Abstract: A light emitting display device includes a substrate including a display area and a non-display area adjacent to the display area, a lower pad electrode disposed on the substrate in the non-display area, a lower planarization layer disposed on the lower pad electrode and including a via hole exposing an upper surface of the lower pad electrode, an upper pad electrode disposed on the lower pad electrode, the upper pad electrode being electrically connected to the lower pad electrode through the via hole, and a covering layer in contact with a side surface portion of the upper pad electrode, the side surface portion of the upper pad electrode being disposed on the lower planarization layer.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeon Bum Lee, Choong Youl Im, Ha Seok Jeon
  • Publication number: 20240049516
    Abstract: A light emitting display device includes: a substrate; an anode on the substrate; a pixel defining layer having an opening overlapping the anode; an emission layer in the opening of the pixel defining layer; a spacer on the pixel defining layer and having a step; a cathode formed in the emission layer, the pixel defining layer, and the spacer; an encapsulation layer on the cathode; and a light blocking layer on the encapsulation layer, wherein the spacer includes a first portion and a second portion that is lower than the first portion and is integrally formed with the first portion, and the first portion and the second portion of the spacer overlaps the light blocking layer in a plan view.
    Type: Application
    Filed: May 9, 2023
    Publication date: February 8, 2024
    Inventors: Jun Hee LEE, Yeong Ho LEE, Choong Youl IM, Hyun Duck CHO, Beohm Rock CHOI
  • Publication number: 20240040847
    Abstract: A display device includes pixels and emission areas, a light blocking layer including holes overlapping the emission areas, and color filters in the holes of the light blocking layer and overlapping the emission areas, the color filters include a first color filter overlapping a first emission area, a second color filter overlapping a second emission area, and a third color filter overlapping a third emission area, an area of the first emission area is greater than an area of the second emission area and an area of the third emission area and the area of the second emission area is greater than the area of the third emission area, and a ratio between opening widths of the first emission area, the second emission area, and the third emission area is about 1.33:1.15:1 to about 1.43:1.25:1.
    Type: Application
    Filed: April 12, 2023
    Publication date: February 1, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Choong Youl IM, Hyun Duck CHO, Kook Hyun CHOI, Ji Hyun KIM, Jun Hee LEE, Ha Seok JEON, Beohm Rock CHOI
  • Publication number: 20240040848
    Abstract: A display device comprises pixel electrodes disposed on a substrate and spaced apart from one another, a pixel-defining film disposed on the substrate and including openings, which are spaced apart from one another and overlap the pixel electrodes, organic light-emitting layers disposed in the openings of the pixel-defining film, a common electrode disposed between the pixel-defining film and the organic light-emitting layers, an encapsulation layer disposed on the common electrode, a light-blocking layer disposed on the encapsulation layer and including holes, which overlap the openings and are spaced apart from one another, and color filters disposed in the holes of the light-blocking layer and overlapping the openings. Sides of each of the openings have concave-convex patterns including convex portions that protrude outwardly and concave portions that are inwardly depressed. The color filters are disposed to partially overlap one another on the light-blocking layer.
    Type: Application
    Filed: April 12, 2023
    Publication date: February 1, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Seong Yong HWANG, Ji Hyun KIM, Chan Young KIM, Yeong Ho LEE, Jun Hee LEE, Choong Youl IM, Ha Seok JEON, Hyun Duck CHO, Kook Hyun CHOI, Beohm Rock CHOI
  • Publication number: 20230413651
    Abstract: A display device includes a plurality of emission areas, a light blocking layer comprising a plurality of holes overlapping the plurality of emission areas and between adjacent emission areas, and a plurality of color filters in the plurality of holes of the light blocking layer and overlapping the plurality of emission areas, wherein the plurality of emission areas includes a first emission area, a second emission area spaced apart from the first emission area in a plan view normal to the third direction and a third emission area spaced apart from the second emission area in the plan view normal to the third direction, and the plurality of color filters includes first, second and third color filters overlapping the first, second, and third emission areas, respectively, wherein a portion of the second color filter is on the first color filter adjacent to the second color filter and on the third color filter adjacent to the second color filter.
    Type: Application
    Filed: February 7, 2023
    Publication date: December 21, 2023
    Inventors: Ha Seok JEON, Choong Youl IM, Hyun Duck CHO, Beohm Rock CHOI
  • Publication number: 20230363231
    Abstract: An electronic device including a light emitting display device includes: a first data conductive layer, a second data conductive layer, a green light emitting diode (LED) anode, a red light emitting diode (LED) anode, and a blue light emitting diode (LED) anode positioned on the second organic layer; a pixel definition layer including a green opening overlapping the green light emitting diode (LED) anode, a red opening overlapping the red light emitting diode (LED) anode, and a blue opening overlapping the blue light emitting diode (LED) anode. The first data conductive layer include a first expansion overlapping the red opening or the blue opening of the pixel definition layer, the second data conductive layer includes a second expansion overlapping the green opening of the pixel definition layer, and the second expansion of the second data conductive layer entirely overlaps the green opening of the pixel definition layer.
    Type: Application
    Filed: February 3, 2023
    Publication date: November 9, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jun Hee LEE, Choong Youl IM, Ha Seok JEON, Hyun Duck CHO, Beohm Rock CHOI
  • Patent number: 11812649
    Abstract: A display device according to an embodiment includes a display unit including first emissive regions displaying a first color, second emissive regions displaying a second color, and third emissive regions displaying a third color; and an anti-reflection unit overlapping the display unit and including first color filters overlapping the first emissive regions, second color filters overlapping the second emissive regions, and third color filters overlapping the third emissive regions, wherein in a plan view, a ratio of an area of the first emissive regions, an area of the second emissive regions, and an area of the third emissive regions and a ratio of an area of the first color filters, an area of the second color filters, and an area of the third color filters are different.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: November 7, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Choong Youl Im, Ha Seok Jeon, Beohm Rock Choi
  • Publication number: 20230046219
    Abstract: A light emitting display device includes a substrate, an organic layer, a conductor, an anode, and a pixel definition layer. The organic layer overlaps the substrate and has a connection opening. The conductor is positioned between the substrate and the organic layer. The anode is positioned on the organic layer and is partially positioned inside the connection opening. The pixel definition layer exposes an exposed portion of the anode. The organic layer has a halftone exposure portion and a neighboring portion. The halftone exposure portion overlaps the exposed portion of the anode and overlaps the conductor. The neighboring portion neighbors the halftone exposure portion. A face of the halftone exposure portion and a face of the neighboring portion are spaced from the substrate by a first distance and a second distance, respectively. A difference between the first distance and the second distance is 30 nm or less.
    Type: Application
    Filed: January 26, 2022
    Publication date: February 16, 2023
    Inventors: Jun Hee LEE, Beohm Rock CHOI, Jun Hyuk WOO, Choong Youl IM, Seong Min CHO
  • Publication number: 20220131114
    Abstract: A display device includes a substrate, a first insulating layer on the substrate and including a flat upper surface, a first conductive layer on the substrate, the first conductive layer including first to third light blocking patterns separated from one another, a second insulating layer on the first conductive layer, and pixel electrodes on the second insulating layer. The pixel electrodes includes a first pixel electrode in a first color pixel and in the first light blocking pattern in a first direction in a plan view, and a second pixel electrode in a second color pixel and covering the second and third light blocking patterns in the first direction, the second insulating layer includes first and second areas respectively overlapping the first and second pixel electrodes, and each of the upper surfaces of the first and second areas includes a curved surface with a concave central portion.
    Type: Application
    Filed: October 21, 2021
    Publication date: April 28, 2022
    Inventors: Min Yeul RYU, Dong Ki LEE, Jun Hee LEE, Choong Youl IM, Beohm Rock CHOI, Nak Cho CHOI
  • Publication number: 20220077269
    Abstract: A display device includes a substrate, a transistor, an interlayer insulating layer, a first conductive line, a pixel electrode, a passivation layer, a common electrode, and a light emitting element layer. The transistor overlaps the substrate. The interlayer insulating layer overlaps the transistor and includes a first groove. The first conductive line is electrically connected to the transistor and is at least partially disposed inside the first groove. The pixel electrode is electrically connected to the transistor and overlaps the first conductive line. The passivation layer is disposed between the pixel electrode and the first conductive line and directly contacts at least one of the pixel electrode and the first conductive line. The common electrode overlaps the pixel electrode. The light emitting element layer is disposed between the common electrode and the pixel electrode.
    Type: Application
    Filed: January 21, 2021
    Publication date: March 10, 2022
    Inventors: Jun Hee LEE, Nak Cho CHOI, Min Yeul RYU, Dong Ki LEE, Choong Youl IM, Beohm Rock CHOI
  • Publication number: 20220020820
    Abstract: A light emitting display device includes a substrate including a display area and a non-display area adjacent to the display area, a lower pad electrode disposed on the substrate in the non-display area, a lower planarization layer disposed on the lower pad electrode and including a via hole exposing an upper surface of the lower pad electrode, an upper pad electrode disposed on the lower pad electrode, the upper pad electrode being electrically connected to the lower pad electrode through the via hole, and a covering layer in contact with a side surface portion of the upper pad electrode, the side surface portion of the upper pad electrode being disposed on the lower planarization layer.
    Type: Application
    Filed: January 13, 2021
    Publication date: January 20, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyeon Bum LEE, Choong Youl IM, Ha Seok JEON
  • Patent number: 11216137
    Abstract: A display device includes a display panel which includes a plurality of pixels, each of the plurality of pixels including a light emitting region defined by a pixel defining layer; and a touch sensor which is disposed on one surface of the display panel and includes a plurality of sensing electrodes and a plurality of sensing lines connected to the plurality of sensing electrodes. At least two sensing lines are disposed between light emitting regions adjacent to each other.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: January 4, 2022
    Inventors: Jae Neung Kim, Chang Yong Jung, Do Hyun Kwon, Choong Youl Im
  • Publication number: 20210359012
    Abstract: A display device according to an embodiment includes a display unit including first emissive regions displaying a first color, second emissive regions displaying a second color, and third emissive regions displaying a third color; and an anti-reflection unit overlapping the display unit and including first color filters overlapping the first emissive regions, second color filters overlapping the second emissive regions, and third color filters overlapping the third emissive regions, wherein in a plan view, a ratio of an area of the first emissive regions, an area of the second emissive regions, and an area of the third emissive regions and a ratio of an area of the first color filters, an area of the second color filters, and an area of the third color filters are different.
    Type: Application
    Filed: March 25, 2021
    Publication date: November 18, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Choong Youl IM, Ha Seok JEON, Beohm Rock CHOI
  • Patent number: 10903285
    Abstract: There are provided an input sensor having improved input sensing sensitivity, a method for manufacturing the input sensor, and a display device having the input sensor.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: January 26, 2021
    Inventors: Jae Neung Kim, Do Hyun Kwon, Choong Youl Im, Chang Yong Jung
  • Patent number: 10831294
    Abstract: A display device according to an exemplary embodiment includes: a display panel that displays an image; and a touch sensor that is provided on the display panel, wherein the touch sensor includes a sense electrode that senses a touch and a shield layer that is disposed between the sense electrode and the display panel while partially overlapping the sense electrode, the sense electrode includes a plurality of conductive lines that are connected with each other and have a mesh shape, the plurality of conductive lines includes a first conductive line and a second conductive line that are disposed on different layers, and the shield layer overlaps at least one of the first conductive line and the second conductive line.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: November 10, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Neung Kim, Do Hyun Kwon, Chang Yong Jung, Choong Youl Im
  • Publication number: 20200241705
    Abstract: A display device includes a display panel which includes a plurality of pixels, each of the plurality of pixels including a light emitting region defined by a pixel defining layer; and a touch sensor which is disposed on one surface of the display panel and includes a plurality of sensing electrodes and a plurality of sensing lines connected to the plurality of sensing electrodes. At least two sensing lines are disposed between light emitting regions adjacent to each other.
    Type: Application
    Filed: January 23, 2020
    Publication date: July 30, 2020
    Inventors: Jae Neung KIM, Chang Yong JUNG, Do Hyun KWON, Choong Youl IM
  • Patent number: 10522782
    Abstract: A flexible window includes: a first film layer through which light is incident to the flexible window from a display panel of a flexible display device, the first film layer including: a plurality of stacked first sub-film layers, an adhesive layer disposed between adjacent first sub-film layers, and an index matching layer disposed between a first sub-film layer and the adhesive layer adjacent thereto; and a second film layer on the first film layer to be disposed further from the display panel than the first film layer, the second film layer having a Young's modulus lower than that of each of the first sub-film layers. Within the flexible window, a refractive index of the index matching layer has a value between a refractive index of each of the first sub-film layers and a refractive index of the adhesive layer.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: December 31, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Choong Youl Im, Ivan Maidanchuk
  • Publication number: 20190114011
    Abstract: A display device according to an exemplary embodiment includes: a display panel that displays an image; and a touch sensor that is provided on the display panel, wherein the touch sensor includes a sense electrode that senses a touch and a shield layer that is disposed between the sense electrode and the display panel while partially overlapping the sense electrode, the sense electrode includes a plurality of conductive lines that are connected with each other and have a mesh shape, the plurality of conductive lines includes a first conductive line and a second conductive line that are disposed on different layers, and the shield layer overlaps at least one of the first conductive line and the second conductive line.
    Type: Application
    Filed: May 2, 2018
    Publication date: April 18, 2019
    Inventors: Jae Neung KIM, Do Hyun KWON, Chang Yong JUNG, Choong Youl IM
  • Publication number: 20190103443
    Abstract: There are provided an input sensor having improved input sensing sensitivity, a method for manufacturing the input sensor, and a display device having the input sensor.
    Type: Application
    Filed: September 28, 2018
    Publication date: April 4, 2019
    Inventors: Jae Neung KIM, Do Hyun KWON, Choong Youl IM, Chang Yong JUNG