Patents by Inventor Won Hyeng Pyen

Won Hyeng Pyen 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).

  • Slot die coating apparatus and coating method using the same
    Patent number: 9581872
    Abstract: A slot die coater planarizing an upper surface of an encapsulation layer and a coating method using the same. The slot die coater includes a slit nozzle configured to supply a coating solution. The slit nozzle includes a hole vertically penetrating a center portion thereof, a first bottom surface disposed at a movement direction side of the slit nozzle with reference to the hole, and a second bottom surface disposed at an opposite direction side of the movement direction of the slit nozzle with reference to the hole. A width of the first bottom surface is different from the width of the second bottom surface.
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: February 28, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Cheol Park, Gyeong Eun Eoh, Jong Soo Kim, Jun Heui Lee, Jong Wan Choi, Won Hyeng Pyen, Dae Ho Song, Seong Gyu Kwon, Kang-Il Cho
  • SLOT DIE COATING APPARATUS AND COATING METHOD USING THE SAME
    Publication number: 20160016185
    Abstract: A slot die coater planarizing an upper surface of an encapsulation layer and a coating method using the same. The slot die coater includes a slit nozzle configured to supply a coating solution. The slit nozzle includes a hole vertically penetrating a center portion thereof, a first bottom surface disposed at a movement direction side of the slit nozzle with reference to the hole, and a second bottom surface disposed at an opposite direction side of the movement direction of the slit nozzle with reference to the hole. A width of the first bottom surface is different from the width of the second bottom surface.
    Type: Application
    Filed: February 16, 2015
    Publication date: January 21, 2016
    Inventors: Jae Cheol Park, Gyeong Eun Eoh, Jong Soo Kim, Jun Heui Lee, Jong Wan Choi, Won Hyeng Pyen, Dae Ho Song, Seong Gyu Kwon, Kang-II Cho