Patents by Inventor Ji-hun Ryu

Ji-hun Ryu 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: 20250098435
    Abstract: A display device includes a substrate comprising a plurality of pixel areas and a non-pixel area surrounding each of the plurality of pixel areas. The non-pixel area includes a plurality of first areas and a second area surrounding the plurality of first areas. A functional layer is disposed on the substrate and includes a plurality of first holes defined through the functional layer and overlapping the plurality of first areas. An element layer is disposed on the functional layer. A pixel definition layer is disposed on the element layer and overlaps the non-pixel area. The pixel definition layer includes pixel openings defined therethrough. The pixel openings overlap the plurality of pixel areas. A plurality of light emitting elements is disposed on the element layer and is disposed in the pixel openings.
    Type: Application
    Filed: December 2, 2024
    Publication date: March 20, 2025
    Inventors: Ji-hun RYU, IlNam KIM, Jae-Kyoung KIM, WonSang PARK, Eunjin SUNG, SEONGRYONG LEE, Jonghyun LEE
  • Patent number: 12161023
    Abstract: A display device includes a substrate comprising a plurality of pixel areas and a non-pixel area surrounding each of the plurality of pixel areas. The non-pixel area includes a plurality of first areas and a second area surrounding the plurality of first areas. A functional layer is disposed on the substrate and includes a plurality of first holes defined through the functional layer and overlapping the plurality of first areas. An element layer is disposed on the functional layer. A pixel definition layer is disposed on the element layer and overlaps the non-pixel area. The pixel definition layer includes pixel openings defined therethrough. The pixel openings overlap the plurality of pixel areas. A plurality of light emitting elements is disposed on the element layer and is disposed in the pixel openings.
    Type: Grant
    Filed: November 6, 2023
    Date of Patent: December 3, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji-hun Ryu, IlNam Kim, Jae-Kyoung Kim, WonSang Park, Eunjin Sung, Seongryong Lee, Jonghyun Lee
  • Publication number: 20240074243
    Abstract: A display device includes a substrate comprising a plurality of pixel areas and a non-pixel area surrounding each of the plurality of pixel areas. The non-pixel area includes a plurality of first areas and a second area surrounding the plurality of first areas. A functional layer is disposed on the substrate and includes a plurality of first holes defined through the functional layer and overlapping the plurality of first areas. An element layer is disposed on the functional layer. A pixel definition layer is disposed on the element layer and overlaps the non-pixel area. The pixel definition layer includes pixel openings defined therethrough. The pixel openings overlap the plurality of pixel areas. A plurality of light emitting elements is disposed on the element layer and is disposed in the pixel openings.
    Type: Application
    Filed: November 6, 2023
    Publication date: February 29, 2024
    Inventors: Ji-hun RYU, IINam KIM, Jae-Kyoung KIM, WonSang PARK, Eunjin SUNG, SEONGRYONG LEE, Jonghyun LEE
  • Patent number: 11900713
    Abstract: A display device includes a window on which a fingerprint detection region in which fingerprint information is detected is defined, an optical layer disposed below the window and in which at least one transmission hole overlapping the fingerprint detection region is defined, a protection layer disposed below the optical layer, and a sensor. A refractive index of the protection layer is greater than a refractive index of the window. A distance from the optical layer to the window is less than a distance from the optical layer to the sensor.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: February 13, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji-Hun Ryu, Kwanghyun Baek, Jongin Baek, Suyul Seo, Jaehyung Jo, Sungho Jin
  • Patent number: 11812641
    Abstract: A display device includes a substrate comprising a plurality of pixel areas and a non-pixel area surrounding each of the plurality of pixel areas. The non-pixel area includes a plurality of first areas and a second area surrounding the plurality of first areas. A functional layer is disposed on the substrate and includes a plurality of first holes defined through the functional layer and overlapping the plurality of first areas. An element layer is disposed on the functional layer. A pixel definition layer is disposed on the element layer and overlaps the non-pixel area. The pixel definition layer includes pixel openings defined therethrough. The pixel openings overlap the plurality of pixel areas. A plurality of light emitting elements is disposed on the element layer and is disposed in the pixel openings.
    Type: Grant
    Filed: January 30, 2023
    Date of Patent: November 7, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji-hun Ryu, IlNam Kim, Jae-Kyoung Kim, WonSang Park, Eunjin Sung, Seongryong Lee, Jonghyun Lee
  • Publication number: 20230180534
    Abstract: A display device includes a substrate comprising a plurality of pixel areas and a non-pixel area surrounding each of the plurality of pixel areas. The non-pixel area includes a plurality of first areas and a second area surrounding the plurality of first areas. A functional layer is disposed on the substrate and includes a plurality of first holes defined through the functional layer and overlapping the plurality of first areas. An element layer is disposed on the functional layer. A pixel definition layer is disposed on the element layer and overlaps the non-pixel area. The pixel definition layer includes pixel openings defined therethrough. The pixel openings overlap the plurality of pixel areas. A plurality of light emitting elements is disposed on the element layer and is disposed in the pixel openings.
    Type: Application
    Filed: January 30, 2023
    Publication date: June 8, 2023
    Inventors: Ji-hun RYU, IINam KIM, Jae-Kyong KIM, WonSang PARK, Eunjin SUNG, SEONGRYONG LEE, Jonghyun LEE
  • Patent number: 11569316
    Abstract: A display device includes a substrate comprising a plurality of pixel areas and a non-pixel area surrounding each of the plurality of pixel areas. The non-pixel area includes a plurality of first areas and a second area surrounding the plurality of first areas. A functional layer is disposed on the substrate and includes a plurality of first holes defined through the functional layer and overlapping the plurality of first areas. An element layer is disposed on the functional layer. A pixel definition layer is disposed on the element layer overlaps the non-pixel area. The pixel definition layer includes pixel openings defined therethrough. The pixel openings overlap the plurality of pixel areas. A plurality of light emitting elements is disposed on the element layer and is disposed in the pixel openings.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: January 31, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji-hun Ryu, IlNam Kim, Jae-Kyoung Kim, WonSang Park, Eunjin Sung, Seongryong Lee, Jonghyun Lee
  • Patent number: 11544957
    Abstract: A display device includes a display panel, an input sensor, and a control unit. The display panel includes a light blocking layer that includes an opening. The input sensor includes a first sensing element, a second sensing element, and a third sensing element. The control unit calculates a first distance between the first sensing element and the second sensing element when the display panel is in a first state and the second sensing element overlaps the opening, calculates a second distance between the first sensing element and a third sensing element when the display device is in a second state that differs from that of the first state and the third sensing element overlaps the opening, and corrects an image obtained from the input sensor on the basis of the first distance and the second distance.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: January 3, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji-Hun Ryu, Kwanghyun Baek, Jongin Baek, Suyul Seo, Jaehyung Jo, Sungho Jin
  • Patent number: 11308730
    Abstract: Provided is a display device including a display panel defining a folding area and a non-folding area and including a base layer, a circuit layer on the base layer, and a display element layer on the circuit layer, an input sensor below the display panel and defining a sensing area overlapping the non-folding area, and a light shielding layer between the display element layer and the input sensor, where the light shielding layer defines a plurality of holes in a first portion of the light shielding layer at the non-folding area, and a cut portion in a second portion of the light shielding layer at the folding area.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: April 19, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji-Hun Ryu, Ilnam Kim, Jae-Kyoung Kim, Jongin Baek, Eunjin Sung, Seongryong Lee, Jonghyun Lee
  • Publication number: 20220067328
    Abstract: A display device includes a window on which a fingerprint detection region in which fingerprint information is detected is defined, an optical layer disposed below the window and in which at least one transmission hole overlapping the fingerprint detection region is defined, a protection layer disposed below the optical layer, and a sensor. A refractive index of the protection layer is greater than a refractive index of the window. A distance from the optical layer to the window is less than a distance from the optical layer to the sensor.
    Type: Application
    Filed: June 10, 2021
    Publication date: March 3, 2022
    Inventors: JI-HUN RYU, KWANGHYUN BAEK, JONGIN BAEK, SUYUL SEO, JAEHYUNG JO, SUNGHO JIN
  • Publication number: 20220036032
    Abstract: A display device includes a display panel, an input sensor, and a control unit. The display panel includes a light blocking layer that includes an opening. The input sensor includes a first sensing element, a second sensing element, and a third sensing element. The control unit calculates a first distance between the first sensing element and the second sensing element when the display panel is in a first state and the second sensing element overlaps the opening, calculates a second distance between the first sensing element and a third sensing element when the display device is in a second state that differs from that of the first state and the third sensing element overlaps the opening, and corrects an image obtained from the input sensor on the basis of the first distance and the second distance.
    Type: Application
    Filed: April 29, 2021
    Publication date: February 3, 2022
    Inventors: JI-HUN RYU, KWANGHYUN BAEK, JONGIN BAEK, SUYUL SEO, JAEHYUNG JO, SUNGHO JIN
  • Publication number: 20210295006
    Abstract: Provided is a display device including a display panel defining a folding area and a non-folding area and including a base layer, a circuit layer on the base layer, and a display element layer on the circuit layer, an input sensor below the display panel and defining a sensing area overlapping the non-folding area, and a light shielding layer between the display element layer and the input sensor, where the light shielding layer defines a plurality of holes in a first portion of the light shielding layer at the non-folding area, and a cut portion in a second portion of the light shielding layer at the folding area.
    Type: Application
    Filed: December 29, 2020
    Publication date: September 23, 2021
    Inventors: Ji-hun RYU, Ilnam KIM, Jae-Kyoung KIM, Jongin BAEK, Eunjin SUNG, Seongryong LEE, Jonghyun LEE
  • Publication number: 20210225970
    Abstract: A display device includes a substrate comprising a plurality of pixel areas and a non-pixel area surrounding each of the plurality of pixel areas. The non-pixel area includes a plurality of first areas and a second area surrounding the plurality of first areas. A functional layer is disposed on the substrate and includes a plurality of first holes defined through the functional layer and overlapping the plurality of first areas. An element layer is disposed on the functional layer. A pixel definition layer is disposed on the element layer overlaps the non-pixel area. The pixel definition layer includes pixel openings defined therethrough. The pixel openings overlap the plurality of pixel areas. A plurality of light emitting elements is disposed on the element layer and is disposed in the pixel openings.
    Type: Application
    Filed: December 24, 2020
    Publication date: July 22, 2021
    Inventors: Ji-hun RYU, IlNam KIM, Jae-Kyoung KIM, WonSang PARK, Eunjin SUNG, SEONGRYONG LEE, Jonghyun LEE
  • Patent number: 11069755
    Abstract: A display panel includes a flexible electrochromic substrate comprising a first flexible substrate layer, a second flexible substrate layer opposing to the first flexible substrate layer and an electrochromic part disposed between the first and second flexible substrate layers and configured to discolor in response to a driving signal, a transistor layer disposed on the flexible electrochromic substrate, the transistor layer comprising a plurality of transistors and an organic light emitting diode layer disposed on the flexible electrochromic substrate on which the transistor layer is disposed, the organic light emitting diode layer comprising a plurality of organic light emitting diodes connected to the plurality of transistors.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: July 20, 2021
    Inventors: Seung-Ho Jung, Chaun-Gi Choi, Yo-Seoph Ko, Ji-Hun Ryu, Tae-Kyung Ahn, Joo-Hee Jeon
  • Patent number: 10971563
    Abstract: An organic light-emitting display apparatus for selectively realizing circular polarization according to external light conditions, including a substrate; an organic light-emitting device on the substrate; a sealing member on the organic light-emitting device; a phase retardation layer on a surface of the substrate, the organic light-emitting device, or the sealing member; and a linear polarization layer on another surface of the substrate, the organic light-emitting device, or the sealing member, wherein the linear polarization layer is located to be closer to a source of external light than the phase retardation layer, and wherein the linear polarization layer comprises a photochromic material.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: April 6, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Oh-June Kwon, Kwan-Hee Lee, Seung-Yong Song, Young-Seo Choi, Jin-Hwan Jeon, Sun-Young Jung, Ji-Hun Ryu, Young-Cheol Joo
  • Publication number: 20190181193
    Abstract: An organic light-emitting display apparatus for selectively realizing circular polarization according to external light conditions, including a substrate; an organic light-emitting device on the substrate; a sealing member on the organic light-emitting device; a phase retardation layer on a surface of the substrate, the organic light-emitting device, or the sealing member; and a linear polarization layer on another surface of the substrate, the organic light-emitting device, or the sealing member, wherein the linear polarization layer is located to be closer to a source of external light than the phase retardation layer, and wherein the linear polarization layer comprises a photochromic material.
    Type: Application
    Filed: February 15, 2019
    Publication date: June 13, 2019
    Inventors: Oh-June Kwon, Kwan-Hee Lee, Seung-Yong Song, Young-Seo Choi, Jin-Hwan Jeon, Sun-Young Jung, Ji-Hun Ryu, Young-Cheol Joo
  • Patent number: 10249693
    Abstract: An organic light-emitting display apparatus for selectively realizing circular polarization according to external light conditions, including a substrate; an organic light-emitting device on the substrate; a sealing member on the organic light-emitting device; a phase retardation layer on a surface of the substrate, the organic light-emitting device, or the sealing member; and a linear polarization layer on another surface of the substrate, the organic light-emitting device, or the sealing member, wherein the linear polarization layer is located to be closer to a source of external light than the phase retardation layer, and wherein the linear polarization layer comprises a photochromic material.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: April 2, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Oh-June Kwon, Kwan-Hee Lee, Seung-Yong Song, Young-Seo Choi, Jin-Hwan Jeon, Sun-Young Jung, Ji-Hun Ryu, Young-Cheol Joo
  • Publication number: 20180166513
    Abstract: An organic light-emitting display apparatus for selectively realizing circular polarization according to external light conditions, including a substrate; an organic light-emitting device on the substrate; a sealing member on the organic light-emitting device; a phase retardation layer on a surface of the substrate, the organic light-emitting device, or the sealing member; and a linear polarization layer on another surface of the substrate, the organic light-emitting device, or the sealing member, wherein the linear polarization layer is located to be closer to a source of external light than the phase retardation layer, and wherein the linear polarization layer comprises a photochromic material.
    Type: Application
    Filed: February 9, 2018
    Publication date: June 14, 2018
    Inventors: Oh-June Kwon, Kwan-Hee Lee, Seung-Yong Song, Young-Seo Choi, Jin-Hwan Jeon, Sun-Young Jung, Ji-Hun Ryu, Young-Cheol Joo
  • Patent number: 9929219
    Abstract: An organic light-emitting display apparatus for selectively realizing circular polarization according to external light conditions, including a substrate; an organic light-emitting device on the substrate; a sealing member on the organic light-emitting device; a phase retardation layer on a surface of the substrate, the organic light-emitting device, or the sealing member; and a linear polarization layer on another surface of the substrate, the organic light-emitting device, or the sealing member, wherein the linear polarization layer is located to be closer to a source of external light than the phase retardation layer, and wherein the linear polarization layer comprises a photochromic material.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: March 27, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Oh-June Kwon, Kwan-Hee Lee, Seung-Yong Song, Young-Seo Choi, Jin-Hwan Jeon, Sun-Young Jung, Ji-Hun Ryu, Young-Cheol Joo
  • Publication number: 20180083075
    Abstract: A display panel includes a flexible electrochromic substrate comprising a first flexible substrate layer, a second flexible substrate layer opposing to the first flexible substrate layer and an electrochromic part disposed between the first and second flexible substrate layers and configured to discolor in response to a driving signal, a transistor layer disposed on the flexible electrochromic substrate, the transistor layer comprising a plurality of transistors and an organic light emitting diode layer disposed on the flexible electrochromic substrate on which the transistor layer is disposed, the organic light emitting diode layer comprising a plurality of organic light emitting diodes connected to the plurality of transistors.
    Type: Application
    Filed: September 18, 2017
    Publication date: March 22, 2018
    Inventors: Seung-Ho JUNG, Chaun-Gi CHOI, Yo-Seoph KO, Ji-Hun RYU, Tae-Kyung AHN, Joo-Hee JEON