Patents by Inventor Ye-Seul NA

Ye-Seul NA 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: 10756309
    Abstract: A method of manufacturing a light-emitting display device, the method including forming a first electrode on a substrate, the substrate including a plurality of pixel regions divided by a non-pixel region, in each of the pixel regions; forming a pixel defining layer, the pixel defining layer having a plurality of pixel openings, each of the pixel openings exposing the first electrode, on the substrate; forming a hole injection layer on the first electrode; forming a lyophilic layer on the hole injection layer to completely overlap the hole injection layer; forming a hole transport layer on the lyophilic layer; forming a light-emitting layer on the hole transport layer; and forming a second electrode on the light-emitting layer.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: August 25, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyang Shik Kong, Yoon Ho Kang, Dong Hoon Kwak, Sung Woong Kim, Yool Guk Kim, Jae Hoon Kim, Ye Seul Na, Seok Soon Back, Jae Kwon Hwang
  • Publication number: 20190280250
    Abstract: A method of manufacturing a light-emitting display device, the method including forming a first electrode on a substrate, the substrate including a plurality of pixel regions divided by a non-pixel region, in each of the pixel regions; forming a pixel defining layer, the pixel defining layer having a plurality of pixel openings, each of the pixel openings exposing the first electrode, on the substrate; forming a hole injection layer on the first electrode; forming a lyophilic layer on the hole injection layer to completely overlap the hole injection layer; forming a hole transport layer on the lyophilic layer; forming a light-emitting layer on the hole transport layer; and forming a second electrode on the light-emitting layer.
    Type: Application
    Filed: May 1, 2019
    Publication date: September 12, 2019
    Inventors: Hyang Shik KONG, Yoon Ho KANG, Dong Hoon KWAK, Sung Woong KIM, Yool Guk KIM, Jae Hoon KIM, Ye Seul NA, Seok Soon BACK, Jae Kwon HWANG
  • Patent number: 10312443
    Abstract: A method of manufacturing a light-emitting display device, the method including forming a first electrode on a substrate, the substrate including a plurality of pixel regions divided by a non-pixel region, in each of the pixel regions; forming a pixel defining layer, the pixel defining layer having a plurality of pixel openings, each of the pixel openings exposing the first electrode, on the substrate; forming a hole injection layer on the first electrode; forming a lyophilic layer on the hole injection layer to completely overlap the hole injection layer; forming a hole transport layer on the lyophilic layer; forming a light-emitting layer on the hole transport layer; and forming a second electrode on the light-emitting layer.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: June 4, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyang Shik Kong, Yoon Ho Kang, Dong Hoon Kwak, Sung Woong Kim, Yool Guk Kim, Jae Hoon Kim, Ye Seul Na, Seok Soon Back, Jae Kwon Hwang
  • Publication number: 20160343940
    Abstract: A method of manufacturing a light-emitting display device, the method including forming a first electrode on a substrate, the substrate including a plurality of pixel regions divided by a non-pixel region, in each of the pixel regions; forming a pixel defining layer, the pixel defining layer having a plurality of pixel openings, each of the pixel openings exposing the first electrode, on the substrate; forming a hole injection layer on the first electrode; forming a lyophilic layer on the hole injection layer to completely overlap the hole injection layer; forming a hole transport layer on the lyophilic layer; forming a light-emitting layer on the hole transport layer; and forming a second electrode on the light-emitting layer.
    Type: Application
    Filed: October 16, 2015
    Publication date: November 24, 2016
    Inventors: Hyang Shik KONG, Yoon Ho KANG, Dong Hoon KWAK, Sung Woong KIM, Yool Guk KIM, Jae Hoon KIM, Ye Seul NA, Seok Soon BACK, Jae Kwon HWANG
  • Patent number: 8936352
    Abstract: A printer includes a nozzle hole plate including a plurality of nozzle holes, the nozzle hole plate being rotatable; and a nozzle part including a sleeve having a leading passage corresponding to one of the plurality of nozzle holes of the nozzle hole plate.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: January 20, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ye-Seul Na, Kyoung-Wook Min
  • Publication number: 20140158795
    Abstract: A printer includes a nozzle hole plate including a plurality of nozzle holes, the nozzle hole plate being rotatable; and a nozzle part including a sleeve having a leading passage corresponding to one of the plurality of nozzle holes of the nozzle hole plate.
    Type: Application
    Filed: June 19, 2013
    Publication date: June 12, 2014
    Inventors: Ye-Seul NA, Kyoung-Wook MIN