Patents by Inventor Choong Koo PARK

Choong Koo PARK 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).

  • Organic light emitting display panel and method of manufacturing the same
    Patent number: 9905588
    Abstract: A display panel and a method for manufacturing the display panel are discussed. The display panel includes a substrate; an active layer on the substrate; and a passivation layer on the active layer, wherein the active layer includes a channel part, a first electrode connection part and a second electrode connection part on opposite sides of the channel part in a first direction, and a first taper part and a second taper part on opposite sides of the channel part in a second direction crossing the first direction, and wherein a carrier concentration of each of the first taper part and the second taper part is different from those of the channel part, the first electrode connection part and the second electrode connection part.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: February 27, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Ki Woo Kim, Jung Hyun Kim, Jong Seuk Kang, Hyung Jin Bang, Yoon Ji Choi, Min Ho Shin, Choong Koo Park
  • ORGANIC LIGHT EMITTING DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20160027855
    Abstract: A display panel and a method for manufacturing the display panel are discussed. The display panel includes a substrate; an active layer on the substrate; and a passivation layer on the active layer, wherein the active layer includes a channel part, a first electrode connection part and a second electrode connection part on opposite sides of the channel part in a first direction, and a first taper part and a second taper part on opposite sides of the channel part in a second direction crossing the first direction, and wherein a carrier concentration of each of the first taper part and the second taper part is different from those of the channel part, the first electrode connection part and the second electrode connection part.
    Type: Application
    Filed: July 15, 2015
    Publication date: January 28, 2016
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Ki Woo KIM, Jung Hyun KIM, Jong Seuk KANG, Hyung Jin BANG, Yoon Ji CHOI, Min Ho SHIN, Choong Koo PARK