Patents by Inventor Jin-Ho Ju

Jin-Ho Ju 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: 11889733
    Abstract: A display device according to an embodiment includes: a substrate; a light emitting diode; an input sensing member disposed on the light emitting diode; a color conversion layer and a light blocking member disposed on the input sensing member; an adhesive layer disposed on the color conversion layer and the light blocking member; and a window bonded to the adhesive layer, wherein a storage modulus of the adhesive layer may be 0.2 MPa or less at ?20° C., and a glass transition temperature (Tg) of the adhesive layer may be ?30° C. or less.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: January 30, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Do Kim, Jin Ho Ju, Jang Doo Lee
  • Publication number: 20230376070
    Abstract: A display device includes: a first substrate, and a second substrate on the first substrate, each of the first and second substrates including: a folding part; and first and second non-folding parts spaced from each other by the folding part; a first reinforcing member between the first and second substrates, and overlapping with the folding parts of the first and second substrates; and a metal plate on a rear side of the first substrate, and including: a connecting part overlapping with the first reinforcing member, and including: slits; and bars at least partially spaced from one another by the slits; a first plate part overlapping with the first non-folding part of the first substrate; and a second plate part spaced from the first plate part with the connecting part interposed therebetween, and overlapping with the second non-folding part of the first substrate.
    Type: Application
    Filed: February 21, 2023
    Publication date: November 23, 2023
    Inventor: Jin Ho JU
  • Publication number: 20230320150
    Abstract: A display device includes a substrate including a first non-bendable portion, a second non-bendable portion, and a bendable portion that is interposed between the first and the second non-bendable portions, a metal plate disposed on a rear face of the substrate and including a first plate portion overlapping the first non-bendable portion, a second plate portion overlapping the second non-bendable portion, and a connection portion between the first plate portion and the second plate portion, the connection portion including a first bar and a second bar that are separated by a slit; the substrate includes a first area in which the first bar and the bendable portion overlap each other, a second area in which the slit and the bendable portion overlap each other, and a third area in which the second bar and the bendable portion overlap each other. The second area is between the first and second areas.
    Type: Application
    Filed: January 20, 2023
    Publication date: October 5, 2023
    Inventors: Sung Eun LEE, Youn Joon KIM, Jong Hyun CHOI, Hee Suk NAMGUNG, Min Jeong OH, Ki June LEE, Jin Ho JU
  • Publication number: 20230301154
    Abstract: An OLED display according to an exemplary embodiment includes: a substrate that includes a display area and a non-display area; a pixel circuit that is disposed in the display area; organic light emitting diodes and barrier ribs that are disposed on the pixel circuit; an encapsulation layer that covers the pixel circuit, the organic light emitting diodes, and the barrier ribs; and a color filter that is disposed on the encapsulation layer, wherein the encapsulation layer comprises an edge area that is adjacent to the non-display area in the display area and a center area not directly adjacent to the non-display area and having the edge area disposed therebetween, the color filter comprises a first color filter, a second color filter, a third color filter, and color filter overlapped portions where the first color filter, the second color filter, and the third color filter are overlapped, and the color filter overlapped portions are disposed in areas where the barrier ribs are disposed, and a thickness of the
    Type: Application
    Filed: May 23, 2023
    Publication date: September 21, 2023
    Inventors: Hyeon Bum LEE, Jin Ho JU
  • Patent number: 11696479
    Abstract: An OLED display according to an exemplary embodiment includes: a substrate that includes a display area and a non-display area; a pixel circuit that is disposed in the display area; organic light emitting diodes and barrier ribs that are disposed on the pixel circuit; an encapsulation layer that covers the pixel circuit, the organic light emitting diodes, and the barrier ribs; and a color filter that is disposed on the encapsulation layer, wherein the encapsulation layer comprises an edge area that is adjacent to the non-display area in the display area and a center area not directly adjacent to the non-display area and having the edge area disposed therebetween, the color filter comprises a first color filter, a second color filter, a third color filter, and color filter overlapped portions where the first color filter, the second color filter, and the third color filter are overlapped, and the color filter overlapped portions are disposed in areas where the barrier ribs are disposed, and a thickness of the
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: July 4, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyeon Bum Lee, Jin Ho Ju
  • Publication number: 20230134887
    Abstract: A display device includes a protective layer comprising a first area, a second area, a third area, and a fourth area; a first island part comprising a buffer layer disposed on a substrate; and a semiconductor layer disposed on the buffer layer; a second island part comprising a first gate insulating layer disposed on the first area; and a first metal layer disposed on the first gate insulating layer; a third island part comprising a second gate insulating layer disposed on the second area; and a second metal layer disposed on the second gate insulating layer; and a fourth island part comprising an interlayer dielectric layer disposed on the third area and a third metal layer disposed on the interlayer dielectric layer, and disposed in the fourth area of the protective layer.
    Type: Application
    Filed: June 28, 2022
    Publication date: May 4, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Youn Joon KIM, Jin Ho JU, Hye Min PARK, Jong Hyun CHOI
  • Publication number: 20210399058
    Abstract: An OLED display according to an exemplary embodiment includes: a substrate that includes a display area and a non-display area; a pixel circuit that is disposed in the display area; organic light emitting diodes and barrier ribs that are disposed on the pixel circuit; an encapsulation layer that covers the pixel circuit, the organic light emitting diodes, and the barrier ribs; and a color filter that is disposed on the encapsulation layer, wherein the encapsulation layer comprises an edge area that is adjacent to the non-display area in the display area and a center area not directly adjacent to the non-display area and having the edge area disposed therebetween, the color filter comprises a first color filter, a second color filter, a third color filter, and color filter overlapped portions where the first color filter, the second color filter, and the third color filter are overlapped, and the color filter overlapped portions are disposed in areas where the barrier ribs are disposed, and a thickness of the
    Type: Application
    Filed: September 9, 2021
    Publication date: December 23, 2021
    Inventors: Hyeon Bum LEE, Jin Ho JU
  • Patent number: 11121187
    Abstract: An OLED display according to an exemplary embodiment includes: a substrate that includes a display area and a non-display area; a pixel circuit that is disposed in the display area; organic light emitting diodes and barrier ribs that are disposed on the pixel circuit; an encapsulation layer that covers the pixel circuit, the organic light emitting diodes, and the barrier ribs; and a color filter that is disposed on the encapsulation layer, wherein the encapsulation layer comprises an edge area that is adjacent to the non-display area in the display area and a center area not directly adjacent to the non-display area and having the edge area disposed therebetween, the color filter comprises a first color filter, a second color filter, a third color filter, and color filter overlapped portions where the first color filter, the second color filter, and the third color filter are overlapped, and the color filter overlapped portions are disposed in areas where the barrier ribs are disposed, and a thickness of the
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: September 14, 2021
    Inventors: Hyeon Bum Lee, Jin Ho Ju
  • Publication number: 20210193743
    Abstract: A display device according to an embodiment includes: a substrate; a light emitting diode; an input sensing member disposed on the light emitting diode; a color conversion layer and a light blocking member disposed on the input sensing member; an adhesive layer disposed on the color conversion layer and the light blocking member; and a window bonded to the adhesive layer, wherein a storage modulus of the adhesive layer may be 0.2 MPa or less at ?20° C., and a glass transition temperature (Tg) of the adhesive layer may be ?30° C. or less.
    Type: Application
    Filed: September 29, 2020
    Publication date: June 24, 2021
    Inventors: Young Do KIM, Jin Ho JU, Jang Doo LEE
  • Patent number: 11038151
    Abstract: A display device including a display unit having a first region, which is flat, and second regions, which are curved, and a touch sensor layer disposed on the display unit. The touch sensor layer includes a high refractive index layer having a first refractive index and a planarization layer disposed on the high refractive index layer and having a second refractive index, which is smaller than the first refractive index, and the high refractive index layer includes pattern parts.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: June 15, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin Ho Ju, Dong Ki Lee
  • Publication number: 20200243802
    Abstract: A display device including a display unit having a first region, which is flat, and second regions, which are curved, and a touch sensor layer disposed on the display unit. The touch sensor layer includes a high refractive index layer having a first refractive index and a planarization layer disposed on the high refractive index layer and having a second refractive index, which is smaller than the first refractive index, and the high refractive index layer includes pattern parts.
    Type: Application
    Filed: November 20, 2019
    Publication date: July 30, 2020
    Inventors: Jin Ho JU, Dong Ki LEE
  • Patent number: 10727257
    Abstract: An exposure mask includes a first transmission portion, a second transmission portion, and a blocking portion. The first transmission portion is configured to, when illuminated with light, transmit the light at a first energy level. The first transmission portion is disposed in association with formation of a first contact hole in an underlying layer. The second transmission portion is configured to, when illuminated with the light, transmit the light at a second energy level. The second transmission portion is disposed in association with formation of a second contact hole in the underlying layer. The blocking portion is configured to block the light, and is disposed in association with a boundary region between a first region and a second region of the underlying layer. The second transmission portion is further configured to enable the second contact hole to be formed deeper into the underlying layer than the first contact hole.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: July 28, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Bo Shim, Jun-Gi Kim, Yong-Jun Park, Yang-Ho Jung, Jin-Ho Ju
  • Patent number: 10665661
    Abstract: A display device includes a substrate including a display region including a plurality of pixels and a non-display region at one side of the display region; at least one transistor on the substrate; a light emitting element connected to the transistor; a thin film encapsulation layer covering the light emitting element; a plurality of light blocking patterns on the thin film encapsulation layer, the plurality of light blocking patterns corresponding to at least a portion of a non-emission region of each pixel, and a planarization layer covering the light blocking patterns; and a touch sensor including a plurality of touch electrodes on the planarization layer. None of the light blocking patterns overlap touch electrodes.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: May 26, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Woo Park, Jeong Won Kim, Dong Ki Lee, Jin Ho Ju
  • Patent number: 10644083
    Abstract: An input sensing unit includes a base including light-transmitting areas and non-light transmitting areas. A light absorbing pattern is provided corresponding to the non-light transmitting areas and is configured to absorb incident light. A sensing electrode overlaps the light absorbing pattern. The light absorbing pattern has an aperture for exposing a light-transmitting area of the light-transmitting areas. A boundary of the aperture and an outer boundary of the light-transmitting area are spaced apart from each other. The input sensing unit has improved viewing angle/luminance ratio and improved characteristics of reflective color.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: May 5, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyeon Bum Lee, Jeong Won Kim, Hyoeng Ki Kim, Jun Hyuk Woo, Dong Ki Lee, Eon Joo Lee, Jin Ho Ju
  • Publication number: 20200127022
    Abstract: An exposure mask includes a first transmission portion, a second transmission portion, and a blocking portion. The first transmission portion is configured to, when illuminated with light, transmit the light at a first energy level. The first transmission portion is disposed in association with formation of a first contact hole in an underlying layer. The second transmission portion is configured to, when illuminated with the light, transmit the light at a second energy level. The second transmission portion is disposed in association with formation of a second contact hole in the underlying layer. The blocking portion is configured to block the light, and is disposed in association with a boundary region between a first region and a second region of the underlying layer. The second transmission portion is further configured to enable the second contact hole to be formed deeper into the underlying layer than the first contact hole.
    Type: Application
    Filed: December 19, 2019
    Publication date: April 23, 2020
    Inventors: Seung-Bo SHIM, Jun-Gi KIM, Yong-Jun PARK, Yang-Ho JUNG, Jin-Ho JU
  • Publication number: 20200091247
    Abstract: An OLED display according to an exemplary embodiment includes: a substrate that includes a display area and a non-display area; a pixel circuit that is disposed in the display area; organic light emitting diodes and barrier ribs that are disposed on the pixel circuit; an encapsulation layer that covers the pixel circuit, the organic light emitting diodes, and the barrier ribs; and a color filter that is disposed on the encapsulation layer, wherein the encapsulation layer comprises an edge area that is adjacent to the non-display area in the display area and a center area not directly adjacent to the non-display area and having the edge area disposed therebetween, the color filter comprises a first color filter, a second color filter, a third color filter, and color filter overlapped portions where the first color filter, the second color filter, and the third color filter are overlapped, and the color filter overlapped portions are disposed in areas where the barrier ribs are disposed, and a thickness of the
    Type: Application
    Filed: April 12, 2019
    Publication date: March 19, 2020
    Inventors: Hyeon Bum LEE, Jin Ho JU
  • Patent number: 10529751
    Abstract: An exposure mask includes a first transmission portion, a second transmission portion, and a blocking portion. The first transmission portion is configured to, when illuminated with light, transmit the light at a first energy level. The first transmission portion is disposed in association with formation of a first contact hole in an underlying layer. The second transmission portion is configured to, when illuminated with the light, transmit the light at a second energy level. The second transmission portion is disposed in association with formation of a second contact hole in the underlying layer. The blocking portion is configured to block the light, and is disposed in association with a boundary region between a first region and a second region of the underlying layer. The second transmission portion is further configured to enable the second contact hole to be formed deeper into the underlying layer than the first contact hole.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: January 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Bo Shim, Jun-Gi Kim, Yong-Jun Park, Yang-Ho Jung, Jin-Ho Ju
  • Patent number: 10494483
    Abstract: A photosensitive resin composition, an organic light emitting display device, and method for manufacturing an organic light emitting device, the composition including a photosensitive compound; a solvent; and a silsesquioxane-based copolymer, the silsesquioxane-based copolymer being obtained by copolymerizing a compound represented by the following Chemical Formula 1 with at least one of a compound represented by the following Chemical Formula 2, and a compound represented by the following Chemical Formula 3; R1—R2—Si(R3)3??[Chemical Formula 1] R4—Si(R5)3??[Chemical Formula 2] Si(R6)4.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: December 3, 2019
    Assignees: Samsung Display Co., Ltd., LTC Co., Ltd.
    Inventors: Jeong Won Kim, Jun Hyuk Woo, Jin Ho Ju, Beung Hwa Jeong, Jun-young Kim, Hwa-young Kim, Ho-Sung Choi
  • Patent number: 10476038
    Abstract: A display device may include a switching composite layer, a first electrode, a pixel defining layer, an emission layer, a second electrode, an encapsulation layer, a light blocking layer, and a touch sensor. The first electrode is positioned on the switching composite layer. The pixel defining layer covers an edge of the first electrode and has a first opening and a second opening that are spaced from each other. The emission layer is positioned inside the first opening. The second electrode covers the switching composite layer, the pixel defining layer, and the emission layer. The encapsulation layer covers the second electrode. The light blocking layer is positioned on the encapsulation layer. The touch sensor is positioned on the light blocking layer and includes a sensing electrode set. A material portion is positioned inside the second opening of the pixel defining layer and overlaps the sensing electrode set.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: November 12, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Woo Park, Jeong Won Kim, Hyeon Bum Lee, Jin-Whan Jung, Jin Ho Ju
  • Patent number: 10338463
    Abstract: A mask for photolithography includes: a transparent substrate; a phase shift pattern on the transparent substrate and configured to change a phase of light; a dielectric layer on the transparent substrate; and a negative refractive-index meta material layer on the dielectric layer.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: July 2, 2019
    Assignees: Samsung Display Co., Ltd., Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Yong Son, Min Kang, Bong-Yeon Kim, Hyun-Joo Lee, Hyang-Shik Kong, Jin-Ho Ju, Kyoung-Sik Kim, Seung-Hwa Baek