Patents by Inventor Hyung-il Jeon

Hyung-il Jeon 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: 20220352433
    Abstract: A display device comprises a first substrate including a plurality of pixel circuit units, a plurality of light emitting elements in a display area on the first substrate and electrically connected to a corresponding one of the plurality of pixel circuit units, respectively, a plurality of grooves corresponding to partially recessed top surfaces of the plurality of light emitting elements, respectively, and a plurality of light output patterns corresponding to the plurality of light emitting elements, the light output pattern being partially in a corresponding groove of the plurality of grooves, wherein the light output pattern includes a first surface in contact with the light emitting element in the groove, a second surface opposite to the first surface, and a third surface that is a side surface connecting the first surface and the second surface, and the second surface is a curved outer surface.
    Type: Application
    Filed: December 28, 2021
    Publication date: November 3, 2022
    Inventors: Joo Woan CHO, Dae Ho SONG, Byung Choon YANG, Tae Hee LEE, Hyung Il JEON
  • Publication number: 20220352437
    Abstract: A display device includes a bank disposed on a substrate, a light emitting element disposed in a light emitting area partitioned by the bank on the substrate, and extended in a thickness direction of the substrate, a wavelength conversion layer disposed on the light emitting element in the light emitting area and converting a wavelength of light emitted from the light emitting element, and a protective film disposed between the light emitting element and the wavelength conversion layer in the light emitting area. The protective film is disposed between at least one side of the light emitting element and at least one side of the bank which face each other.
    Type: Application
    Filed: December 28, 2021
    Publication date: November 3, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Dae Ho SONG, Min Woo KIM, Hyung Il JEON, Jin Woo CHOI, Sung Kook PARK, So Yeon YOON
  • Publication number: 20220352419
    Abstract: A display device includes a first electrode disposed on a substrate; a light emitting element disposed on the first electrode, the light emitting element being electrically connected to the first electrode; a second electrode disposed on the light emitting element, the second electrode being electrically connected to the light emitting element; a meta structure disposed on the second electrode, the meta structure overlapping the light emitting element; and a bank pattern disposed on the substrate, the bank pattern being spaced apart from the light emitting element.
    Type: Application
    Filed: December 22, 2021
    Publication date: November 3, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Byung Choon YANG, Sung Kook PARK, Dae Ho SONG, Hyung Il JEON, Joo Woan CHO, Jin Woo CHOI
  • Publication number: 20220352444
    Abstract: A display device includes a first substrate, light emitting elements and a connection electrode on a first surface of the first substrate, and electrically connected to the light emitting elements, first pads spaced from the connection electrode in a direction, second pads spaced from the connection electrode in another direction, a circuit board including a first circuit board pad and a second circuit board pad, a first pad connection electrode connected to the first pads and the first circuit board pad, and including a first connection part in a first via hole passing through the first substrate, and a first electrode part on the first substrate, and a second pad connection electrode connected to the second pads and the second circuit board pad, and including a second connection part in a second via hole passing through the first substrate, and a second electrode part on the first substrate.
    Type: Application
    Filed: January 7, 2022
    Publication date: November 3, 2022
    Inventors: Joo Woan CHO, Sung Kook PARK, Dae Ho SONG, Byung Choon YANG, Hyung Il JEON, Jin Woo CHOI
  • Publication number: 20220352134
    Abstract: A display device includes a base layer; a pixel circuit layer disposed on the base layer, the pixel circuit layer including a first transistor; and an insulating layer overlapping the first transistor; a first electrode disposed on the pixel circuit layer, the first electrode electrically connected to the first transistor via a contact hole of the insulating layer; a cover layer disposed on the first electrode, the cover layer overlapping at least a portion of the first electrode; a light emitting element including a first end and a second end electrically connected to the first electrode; a second electrode disposed on the light emitting element, the second electrode electrically connected to the second end of the light emitting element; and a third electrode disposed on the cover layer, the third electrode electrically contacting at least a portion of the first electrode.
    Type: Application
    Filed: April 28, 2022
    Publication date: November 3, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyung Il JEON, Byung Choon YANG, Tae Hee LEE, Joo Woan CHO, Byeong Hwa CHOI, Jin Woo CHOI
  • Publication number: 20220352424
    Abstract: A display device includes a substrate, a partition wall on the substrate, a pixel electrode located at each of a plurality of light emitting areas partitioned by the partition wall on the substrate, a light emitting element on the pixel electrode in each of the plurality of light emitting areas and extending in a thickness direction of the substrate, a common electrode on the light emitting element and the partition wall, and a common connection electrode located between the substrate and the partition wall. The common electrode may be in contact with an upper surface of the common connection electrode that is not covered by the partition wall.
    Type: Application
    Filed: March 17, 2022
    Publication date: November 3, 2022
    Inventors: Jin Woo CHOI, Min Woo KIM, Sung Kook PARK, Jin Taek PARK, Sung Eun BAEK, Dae Ho SONG, Hyung Il JEON
  • Publication number: 20220352421
    Abstract: There is provided a display device including a base substrate, a conductive connection layer on the base substrate, a partitioning wall on the conductive connection layer, and a light emitting element on the conductive connection layer and in a space surrounded by the partitioning wall in a plan view, wherein the conductive connection layer includes a first portion overlapping the partitioning wall and the light emitting element, and a second portion not overlapping the partitioning wall and the light emitting element, an electrical conductivity of the first portion being greater than an electrical conductivity of the second portion.
    Type: Application
    Filed: January 7, 2022
    Publication date: November 3, 2022
    Inventors: Hyung Il JEON, Sung Kook PARK, Ki Seong SEO, So Yeon YOON, Joo Woan CHO, Jin Woo CHOI
  • Publication number: 20220352243
    Abstract: A display device includes a first substrate including a display area, a non-display area, and a plurality of pixel circuit units in the display area and the non-display area, a plurality of light emitting elements on the first substrate in the display area, the plurality of light emitting elements being electrically connected to the pixel circuit units, a hole mask layer on the first substrate and including a plurality of holes corresponding to the light emitting elements, a second substrate on the hole mask layer and including a plurality of open holes corresponding to the plurality of holes, and a plurality of light exit patterns in the plurality of the open holes of the second substrate corresponding to the plurality of holes, wherein each of the light exit patterns includes a first part in one of the plurality of open holes.
    Type: Application
    Filed: January 6, 2022
    Publication date: November 3, 2022
    Inventors: Joo Woan CHO, Dae Ho SONG, Tae Hee LEE, Hyung Il JEON, Byeong Hwa CHOI
  • Publication number: 20220352241
    Abstract: A display device includes a substrate, pixel electrodes on the substrate, light emitting elements on corresponding ones of the pixel electrodes, a first partition wall around sides of each of the light emitting elements, a common electrode on an upper surface of each of the light emitting elements, wavelength conversion layers on the common electrode, and a second partition wall around sides of each of the wavelength conversion layers. The first partition wall has conductivity.
    Type: Application
    Filed: December 29, 2021
    Publication date: November 3, 2022
    Inventors: Hyung Il JEON, Sung Kook PARK, Ki Seong SEO, Dae Ho SONG, So Yeon YOON, Ok Yi LEE, Jin Woo CHOI
  • Publication number: 20220352429
    Abstract: A display device includes a substrate; a partition wall on the substrate; a light-emitting element located in an emission area partitioned by the partition wall on the substrate and extended in a thickness direction of the substrate; a wavelength conversion layer over the light-emitting element in the emission area, and including a base resin and wavelength conversion particles dispersed in the base resin and configured to convert a wavelength of light emitted from the light-emitting element; and an optical member on the wavelength conversion layer and the partition wall and configured to adjust a path of light output from the wavelength conversion layer, and the optical member includes an optical layer and a first protruding pattern protruding from the optical layer toward the wavelength conversion layer.
    Type: Application
    Filed: April 29, 2022
    Publication date: November 3, 2022
    Inventors: Hae Yun CHOI, Tae Hee LEE, Hyung Il JEON, Joo Woan CHO, Dae Ho SONG, Byung Choon YANG
  • Publication number: 20220352249
    Abstract: A display device includes: a base layer; and light-emitting elements on a first surface of the base layer. The base layer includes groove patterns that are recessed from a second surface of the base layer, and the groove patterns overlap with the light-emitting elements, respectively.
    Type: Application
    Filed: March 11, 2022
    Publication date: November 3, 2022
    Inventors: Sung Kook PARK, Dae Ho SONG, Min Woo KIM, Byung Choon YANG, So Yeon YOON, Hyung Il JEON, Joo Woan CHO, Jin Woo CHOI
  • Publication number: 20220352246
    Abstract: A display device includes a first substrate, a plurality of light-emitting elements on the first substrate and spaced from each other, wherein each of the plurality of light-emitting elements extends in a thickness direction of the first substrate, a common electrode on the first substrate and the plurality of light-emitting elements, a first insulating layer on the common electrode and the plurality of light-emitting elements, and a first reflective layer on side surfaces of the plurality of light-emitting elements with the first insulating layer therebetween, wherein the common electrode is in contact with a portion of the side surface of each of the plurality of light-emitting elements.
    Type: Application
    Filed: February 11, 2022
    Publication date: November 3, 2022
    Inventors: Jin Woo CHOI, Min Woo KIM, Sung Kook PARK, Jin Taek PARK, Sung Eun BAEK, Dae Ho SONG, Hyung Il JEON
  • Publication number: 20220352245
    Abstract: There is provided a display device including a substrate, a partition wall on the substrate, a light-emitting element on the substrate in a light-emitting area partitioned by the partition wall, and extending in a thickness direction of the substrate, a light conversion layer on the light-emitting element in the light-emitting area, and configured to convert a wavelength of light emitted from the light-emitting element or to transmit the light, and an optical member including an optical pattern on the partition wall, and an optical layer on the light conversion layer, wherein a refractive index of the optical layer and a refractive index of the optical pattern are different from each other.
    Type: Application
    Filed: April 28, 2022
    Publication date: November 3, 2022
    Inventors: Ki Seong SEO, Sung Kook PARK, Hyung Il JEON, Byeong Hwa CHOI
  • Publication number: 20220352131
    Abstract: A display device may include a plurality of light emitting elements on a substrate and arranged in a matrix form along a first arrangement direction and a second arrangement direction crossing the first arrangement direction, and a first sub pixel area and a second sub pixel area each overlapping at least a portion of the plurality of light emitting elements, spaced from each other in a first direction, and extending in a second direction crossing the first direction. The second direction and the first arrangement direction may be non-parallel to each other.
    Type: Application
    Filed: December 16, 2021
    Publication date: November 3, 2022
    Inventors: Jin Woo CHOI, Byung Choon YANG, Min Woo KIM, Sung Kook PARK, Hyung Il JEON
  • Publication number: 20220328436
    Abstract: A display device may include: a substrate including a display area and a non-display area; and a pixel located in the display area, the pixel having an emission area and a pixel circuit area. The pixel may include: at least one transistor located in the pixel circuit area; a first pad electrode and a second pad electrode spaced from each other and located in the emission area, the first pad electrode and the second pad electrode being electrically connected to the at least one transistor; a first through hole penetrating one region of the first pad electrode; a second through hole penetrating one region of the second pad electrode; and a light emitting element located in the emission area, the light emitting element being electrically connected to the first pad electrode and the second pad electrode.
    Type: Application
    Filed: March 17, 2022
    Publication date: October 13, 2022
    Inventors: Dae Ho SONG, Min Woo KIM, Sung Kook PARK, Byung Choon YANG, So Yeon YOON, Hyung Il JEON, Joo Woan CHO, Jin Woo CHOI
  • Patent number: 11462595
    Abstract: Disclosed are display panels and methods of fabricating the same. The display panel includes a base substrate having a pixel area and a peripheral area adjacent to the pixel area, a light emitting element on the base substrate to generate a first light and overlapping the pixel area, a light control layer on the light emitting element to convert the first light into a white light, and a color filter layer on the light control layer and includes a first color filter that allows penetration of the first light, a second color filter that allows penetration of a second light different from the first light, and a third color filter that allows penetration of a third light different from the first light and the second light.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: October 4, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Baek Hee Lee, Minwoo Kim, Jaejin Lyu, Donghee Lee, Junwoo Lee, Taekjoon Lee, Hyung-Il Jeon
  • Patent number: 11430759
    Abstract: A display device and a method of manufacturing the same are provided. The display device includes a first electrode disposed on a substrate, an adhesive auxiliary layer disposed on the first electrode and including a self-assembled monolayer, a light emitting element disposed on the adhesive auxiliary layer, and a contact electrode disposed between the adhesive auxiliary layer and the light emitting element. The light emitting element includes a first semiconductor layer, a second semiconductor layer disposed on the first semiconductor layer, and an intermediate layer disposed between the first semiconductor layer and the second semiconductor layer.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: August 30, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae Ho Song, Min Woo Kim, Byung Choon Yang, Hyung Il Jeon, Jin Woo Choi
  • Publication number: 20220199725
    Abstract: The display device includes a substrate including a plurality of pixel areas; and a pixel in each of the plurality of pixel areas. The pixel may include a pixel circuit layer on the substrate and including at least one transistor; a first electrode on the pixel circuit layer and electrically connected to the transistor; a plurality of light emitting elements on the first electrode and electrically connected to the first electrode; a second electrode on the plurality of light emitting elements; and a light blocking pattern on the second electrode and including a plurality of openings corresponding to each of the plurality of light emitting elements. Here, each of the plurality of pixel areas may include an emission area corresponding to each of the plurality of openings and a non-emission area excluding the emission area.
    Type: Application
    Filed: November 8, 2021
    Publication date: June 23, 2022
    Inventors: Jin Woo CHOI, Min Woo KIM, Sung Kook PARK, Dae Ho SONG, Byung Choon YANG, Hyung Il JEON
  • Publication number: 20220165921
    Abstract: A display device includes a substrate, and a display element part on the substrate, and including a light emitting element configured to emit light in a display direction, and a bank pattern that protrudes in the display direction, wherein the bank pattern and the light emitting element include a same material.
    Type: Application
    Filed: November 5, 2021
    Publication date: May 26, 2022
    Inventors: Jin Woo CHOI, Min Woo KIM, Sung Kook PARK, Dae Ho SONG, Byung Choon YANG, Hyung Il JEON
  • Publication number: 20220158038
    Abstract: A display device includes: a substrate; a transparent electrode on one surface of the substrate; a reflective electrode on the transparent electrode; a transistor on the reflective electrode; and a light emitting element between the transparent electrode and the reflective electrode. The transistor overlaps the light emitting element.
    Type: Application
    Filed: October 4, 2021
    Publication date: May 19, 2022
    Inventors: Hyung Il JEON, Min Woo KIM, Sung Kook PARK, Dae Ho SONG, Byung Choon YANG, Jin Woo CHOI