Patents by Inventor Yuk-Hyun Nam

Yuk-Hyun Nam 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: 20240136490
    Abstract: A display device may include a substrate, and a display element layer disposed on the substrate and including a light emitting element that emits light in a display direction. The display element layer may include a first contact electrode electrically connected to the light emitting element, a second contact electrode electrically connected to the light emitting element, and a bank pattern having a shape extending in the display direction. At least one of the first contact electrode, the second contact electrode, and the bank pattern may include a transparent conductive polymer.
    Type: Application
    Filed: December 11, 2023
    Publication date: April 25, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hang Jae LEE, Yuk Hyun NAM, Sang Hoon PARK
  • Patent number: 11908849
    Abstract: A display device includes electrodes disposed on a substrate, extended in a first direction, and spaced apart from one another in a second direction intersecting the first direction, and light-emitting elements having ends disposed on the electrodes, wherein the electrodes include a first electrode having a first portion and a second portion, and a floating electrode adjacent to the first portion of the first electrode, and a width of the second portion is greater than a width of the first portion in the second direction.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: February 20, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hang Jae Lee, Sung Jae Yun, Yuk Hyun Nam
  • Patent number: 11901374
    Abstract: A display device in accordance with some embodiments may include a substrate, a first interlayer insulating layer on the substrate, a data conductor on the first interlayer insulating layer, a passivation layer on the data conductor, a pixel electrode layer on the passivation layer, and a shielding electrode between the data conductor and the pixel electrode layer, and defining a first contact opening and a second contact opening, wherein the data conductor and the pixel electrode layer are electrically coupled to each other in each of the first contact opening and the second contact opening.
    Type: Grant
    Filed: February 17, 2022
    Date of Patent: February 13, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hang Jae Lee, Yuk Hyun Nam, Sung Jae Yun
  • Patent number: 11881547
    Abstract: A display device may include a substrate, and a display element layer disposed on the substrate and including a light emitting element that emits light in a display direction. The display element layer may include a first contact electrode electrically connected to the light emitting element, a second contact electrode electrically connected to the light emitting element, and a bank pattern having a shape extending in the display direction. At least one of the first contact electrode, the second contact electrode, and the bank pattern may include a transparent conductive polymer.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: January 23, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hang Jae Lee, Yuk Hyun Nam, Sang Hoon Park
  • Publication number: 20230369345
    Abstract: A display device including a substrate, first banks disposed on the substrate to be spaced apart from each other, first and second electrodes disposed on the first banks to cover the first banks and be spaced apart from each other, first auxiliary electrodes on the first electrode, and light-emitting elements disposed between the first and second electrodes, the first auxiliary electrodes overlap the light-emitting elements.
    Type: Application
    Filed: December 21, 2022
    Publication date: November 16, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Yuk Hyun NAM, Hang Jae LEE
  • Publication number: 20230352626
    Abstract: A display device comprises a bank pattern disposed on a substrate and including a first bank pattern extended in a direction, second bank patterns adjacent to each other with the first bank pattern disposed between the second bank patterns, and connection portions connecting the first bank pattern with the second bank patterns, a first electrode disposed on the first bank pattern, a second electrode disposed on one of the second bank patterns, and a third electrode disposed on another one of the second bank patterns, an insulating layer disposed on the bank pattern, the first electrode, the second electrode, and the third electrode, and light emitting elements disposed between the first electrode and the second electrode, and between the first electrode and the third electrode.
    Type: Application
    Filed: December 6, 2022
    Publication date: November 2, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Yuk Hyun NAM, Hang Jae LEE
  • Publication number: 20230253385
    Abstract: A display device includes a substrate, a via layer disposed on the substrate, first bank pattern layers, a second bank pattern layer and third bank pattern layers, which are disposed on the via layer, a first electrode and a second electrode spaced apart from each other, a light emitting element disposed between the first electrode and the second electrode, and a bank layer disposed on the first bank pattern layers and the third bank pattern layers and defining an emission area. The third bank pattern layers extend in a first direction and spaced apart from each other, the first bank pattern layers and the second bank pattern extend from the third bank pattern layers in a second direction intersecting the first direction, and a thickness of the first bank pattern layers is smaller than a thickness of the third bank pattern layers.
    Type: Application
    Filed: October 28, 2022
    Publication date: August 10, 2023
    Applicant: Samsung Display Co., LTD.
    Inventor: Yuk Hyun NAM
  • Publication number: 20230028194
    Abstract: A display device includes: a substrate; a plurality of pixel columns on the substrate, each of the plurality of pixel columns including a plurality of pixel groups each including a first pixel and a second pixel arranged along a first direction; and a bank enclosing a perimeter of each of the plurality of pixel groups, the bank including a first opening corresponding to each of the plurality of pixel groups, and a second opening located between two pixel groups adjacent to each other in the first direction among the plurality of pixel groups.
    Type: Application
    Filed: July 19, 2022
    Publication date: January 26, 2023
    Inventors: Hang Jae LEE, Kyong Sub KIM, Yuk Hyun NAM, Sung Jae YUN
  • Publication number: 20220262827
    Abstract: A display device in accordance with some embodiments may include a substrate, a first interlayer insulating layer on the substrate, a data conductor on the first interlayer insulating layer, a passivation layer on the data conductor, a pixel electrode layer on the passivation layer, and a shielding electrode between the data conductor and the pixel electrode layer, and defining a first contact opening and a second contact opening, wherein the data conductor and the pixel electrode layer are electrically coupled to each other in each of the first contact opening and the second contact opening.
    Type: Application
    Filed: February 17, 2022
    Publication date: August 18, 2022
    Inventors: Hang Jae LEE, Yuk Hyun NAM, Sung Jae YUN
  • Publication number: 20220189939
    Abstract: A display device includes electrodes disposed on a substrate, extended in a first direction, and spaced apart from one another in a second direction intersecting the first direction, and light-emitting elements having ends disposed on the electrodes, wherein the electrodes include a first electrode having a first portion and a second portion, and a floating electrode adjacent to the first portion of the first electrode, and a width of the second portion is greater than a width of the first portion in the second direction.
    Type: Application
    Filed: September 16, 2021
    Publication date: June 16, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Hang Jae LEE, Sung Jae YUN, Yuk Hyun NAM
  • Publication number: 20220140195
    Abstract: A light emitting element ink, a display device, and a method of manufacturing the same are provided. The light emitting element ink includes a solvent, a light emitting element dispersed in the solvent, the light emitting element including a plurality of semiconductor layers and an insulating film partially surrounding outer surfaces of the plurality of semiconductor layers, and a reactive mesogen dispersed in the solvent.
    Type: Application
    Filed: October 28, 2021
    Publication date: May 5, 2022
    Inventors: Sung Jae YUN, Yuk Hyun NAM, Sang Hoon PARK, Hang Jae LEE
  • Publication number: 20220109087
    Abstract: A display device includes a plurality of pixels, a first bank defining light emission regions of the plurality of pixels, a first electrode and a second electrode which are spaced apart from each other in each of the light emission regions, and a plurality of light emitting elements disposed between the first electrode and the second electrode. The first bank, the first electrode, and the second electrode include a same material.
    Type: Application
    Filed: May 3, 2021
    Publication date: April 7, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Hang Jae LEE, Yuk Hyun NAM, Sung Jae YUN, Geun Tak KIM, Jae Hoon KIM
  • Publication number: 20220109085
    Abstract: A display device includes a first electrode and a second electrode spaced apart from each other on a substrate, a light-emitting element disposed between the first electrode and the second electrode on the substrate, a third electrode disposed on the first electrode and an end of the light-emitting element, a fourth electrode disposed on the second electrode and another end of the light-emitting element, a first insulation pattern disposed on the third electrode, and a second insulation pattern disposed on the first insulation pattern. An end of the first insulation pattern corresponding to the end of the light-emitting element protrudes toward the another end of the light-emitting element further than an end of the third electrode, and the second insulation pattern fills a space adjacent to the end of the third electrode and formed under the first insulation pattern.
    Type: Application
    Filed: May 11, 2021
    Publication date: April 7, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Yuk Hyun NAM, Sang Hoon PARK, Sung Jae YUN, Hang Jae LEE
  • Publication number: 20220093836
    Abstract: A display device may include a substrate, and a display element layer disposed on the substrate and including a light emitting element that emits light in a display direction. The display element layer may include a first contact electrode electrically connected to the light emitting element, a second contact electrode electrically connected to the light emitting element, and a bank pattern having a shape extending in the display direction. At least one of the first contact electrode, the second contact electrode, and the bank pattern may include a transparent conductive polymer.
    Type: Application
    Filed: April 12, 2021
    Publication date: March 24, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Hang Jae LEE, Yuk Hyun NAM, Sang Hoon PARK
  • Publication number: 20150136198
    Abstract: A solar cell array includes: a substrate; a plurality of first electrodes on the substrate; photoactive layer on the first electrodes, and including a transmission groove exposing the substrate and a through-groove exposing a neighboring first electrode of the plurality of first electrodes; a second electrode on the photoactive layer and electrically connected with the neighboring first electrode through the through-groove, and the transmission groove and the through-groove are parallel with each other, and the photoactive layer is between the transmission groove and the through-groove.
    Type: Application
    Filed: October 7, 2014
    Publication date: May 21, 2015
    Inventor: Yuk-Hyun NAM
  • Patent number: 8969713
    Abstract: Disclosed herein is a photoelectric conversion device having a semiconductor substrate including a front side and back side, a protective layer formed on the front side of the semiconductor substrate, a first non-single crystalline semiconductor layer formed on the back side of the semiconductor substrate, a first conductive layer including a first impurity formed on a first portion of a back side of the first non-single crystalline semiconductor layer, and a second conductive layer including the first impurity and a second impurity formed on a second portion of the back side of the first non-single crystalline semiconductor layer.
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: March 3, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Min-Seok Oh, Jung-Tae Kim, Nam-Kyu Song, Min Park, Yun-Seok Lee, Czang-Ho Lee, Myung-Hun Shin, Byoung-Kyu Lee, Yuk-Hyun Nam, Seung-Jae Jung, Mi-Hwa Lim, Joon-Young Seo, Dong-Uk Choi, Dong-Seop Kim, Byoung-June Kim
  • Patent number: 8802972
    Abstract: Disclosed herein is a photoelectric conversion device having a semiconductor substrate including a front side and back side, a protective layer formed on the front side of the semiconductor substrate, a first non-single crystalline semiconductor layer formed on the back side of the semiconductor substrate, a first conductive layer including a first impurity formed on a first portion of a back side of the first non-single crystalline semiconductor layer, and a second conductive layer including the first impurity and a second impurity formed on a second portion of the back side of the first non-single crystalline semiconductor layer.
    Type: Grant
    Filed: June 2, 2009
    Date of Patent: August 12, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Min-Seok Oh, Jung-Tae Kim, Nam-Kyu Song, Min Park, Yun-Seok Lee, Czang-Ho Lee, Myung-Hun Shin, Byoung-Kyu Lee, Yuk-Hyun Nam, Seung-Jae Jung, Mi-Hwa Lim, Joon-Young Seo, Dong-Uk Choi, Dong-Seop Kim, Byoung-June Kim
  • Publication number: 20140193941
    Abstract: A method for manufacturing a solar cell includes forming a first electrode on a substrate, removing a portion of the first electrode to form a first electrode opening, forming a light absorbing layer on the first electrode and in the first electrode opening, and applying a laser beam to the substrate to create an interface reaction between the first electrode and at least the light absorbing layer, thereby removing a portion of the light absorbing layer to form a light absorbing layer opening.
    Type: Application
    Filed: November 22, 2013
    Publication date: July 10, 2014
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Min-Sung Kim, Min-Kyu Kim, Su-Yeon Kim, Yuk-Hyun Nam, Ku-Hyun Kang
  • Patent number: 8742247
    Abstract: A solar cell module includes a substrate, a lower electrode layer, a semiconductor layer and an upper electrode layer for an embodiment. The lower electrode layer may include a plurality of area-separating grooves separating the substrate into an active area and a peripheral area surrounding the active area, and a plurality of first cell-separating grooves formed in the active area. The semiconductor layer is formed on the lower electrode layer. The semiconductor layer includes a plurality of second cell-separating grooves that are spaced apart from the first cell-separating grooves. The upper electrode layer is formed on the semiconductor layer. The upper electrode layer includes a plurality of third cell-separating grooves that are spaced apart from the second separating grooves.
    Type: Grant
    Filed: December 2, 2009
    Date of Patent: June 3, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ku-Hyun Kang, Dong-Jin Kim, Yeon-Il Kang, Czang-Ho Lee, Myung-Hun Shin, Dae-Ha Woo, Byoung-Kyu Lee, Yuk-Hyun Nam, Seung-Jae Jung, Joong-Hyun Park
  • Publication number: 20130045564
    Abstract: A photovoltaic device and a manufacturing method thereof are provided. The photovoltaic device includes: a substrate; a first conductive layer formed on the substrate; P layers and N layers alternately formed along a first direction on the first conductive layer; and I layers covering the P layers and the N layers on the first conductive layer, wherein the P layers and the N layers are separated from each other by a first interval, the I layers are formed between the P layers and the N layers that are separated by the first interval, and the P layers, the I layers, and the N layers formed along the first direction form unit cells.
    Type: Application
    Filed: October 19, 2012
    Publication date: February 21, 2013
    Inventors: Min PARK, Min-Seok OH, Jung-Tae KIM, Czang-Ho LEE, Myung-Hun SHIN, Byoung-Kyu LEE, Ku-Hyun KANG, Yuk-Hyun NAM, Seung-Jae JUNG, Mi-Hwa LIM, Joon-Young SEO