Patents by Inventor Hee-Won Yoon

Hee-Won Yoon 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: 20220131106
    Abstract: A display device includes: a substrate including an opening area, a peripheral area surrounding the opening area, and a display area surrounding the peripheral area; a transistor overlapping the display area on the substrate; an insulation layer on the transistor; a first electrode on the insulation layer; a pixel definition layer on the first electrode; an intermediate layer and a second electrode that overlap the first electrode and include a functional layer; a dam overlapping the peripheral area; and a first layer overlapping the peripheral area and spaced apart from the intermediate layer, wherein the first layer is spaced apart from an upper surface of the dam and covers a side surface of the dam.
    Type: Application
    Filed: April 28, 2021
    Publication date: April 28, 2022
    Inventors: Hoi Soo KWON, Sun Young KIM, Seung Hwan KIM, Hwi Seong KIM, Yu Jin YE, Jae-Man LEE, Hee-Won YOON
  • Publication number: 20220005901
    Abstract: A display device comprises a base substrate, a lower interlayer dielectric layer, an oxide semiconductor layer including a first channel region, a first drain region disposed on one side of the first channel region, and a first source region, a first gate insulating layer, a first upper gate electrode, an upper interlayer dielectric layer, and a first source electrode and a first drain electrode, wherein the lower interlayer dielectric layer includes a first lower interlayer dielectric layer disposed on the base substrate, and a second lower interlayer dielectric layer disposed on the first lower interlayer dielectric layer, wherein the first lower interlayer dielectric layer includes silicon nitride and the second lower interlayer dielectric layer comprises silicon oxide, and wherein a composition ratio of nitrogen to silicon in the first lower interlayer dielectric layer ranges from 0.8 to 0.89.
    Type: Application
    Filed: June 15, 2021
    Publication date: January 6, 2022
    Inventors: Tetsuhiro TANAKA, Jung Yub SEO, Ki Seong SEO, Yeong Gyu KIM, Hee Won YOON
  • Publication number: 20210296367
    Abstract: A display device includes a base substrate; an oxide semiconductor layer disposed on the base substrate; a first gate insulating layer disposed on a first channel region of the oxide semiconductor layer and that overlaps the first channel region thereof; a first upper gate electrode disposed on the first gate insulating layer; and an upper interlayer insulating layer disposed on the first upper gate electrode, the first upper gate electrode, and the oxide semiconductor layer, wherein the upper interlayer insulating layer includes a first upper interlayer insulating layer, a second upper interlayer insulating layer, and a third upper interlayer insulating layer, the first upper interlayer insulating layer includes silicon oxide, each of the second and third upper interlayer insulating layers include silicon nitride, and a hydrogen concentration in the second upper interlayer insulating layer is less than a hydrogen concentration in the third upper interlayer insulating layer.
    Type: Application
    Filed: October 26, 2020
    Publication date: September 23, 2021
    Inventors: Jung Yub SEO, Tetsuhiro TANAKA, Hee Won YOON, Shin Beom CHOI
  • Publication number: 20210111238
    Abstract: A display device includes: an array substrate including a pixel array disposed on a display area, a first transfer wiring disposed on a peripheral area adjacent to the display area and electrically connected to the pixel array, a second transfer wiring disposed on the peripheral area adjacent to the display area and electrically connected to the pixel array, and a barrier member disposed between the first transfer wiring and the second transfer wiring, the barrier member including an inorganic insulation material; and a sealing member disposed between the array substrate and an encapsulation substrate to combine the array substrate with the encapsulation substrate, the sealing member contacting at least a portion of the first transfer wiring and the second transfer wiring.
    Type: Application
    Filed: May 27, 2020
    Publication date: April 15, 2021
    Inventors: Hwiseong KIM, Donghoo Kim, Hoisoo Kwon, Hee-Won Yoon, Soojeong Choi, Gwangjoon Hong