Patents by Inventor Sohra Hahn

Sohra Hahn 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).

  • Substrate cleaning apparatus
    Patent number: 9643215
    Abstract: A substrate cleaning apparatus is provided. The substrate cleaning apparatus includes a plurality of transfer rollers for transferring a substrate; a liquid chemical feeder supplying a liquid chemical to a first surface of the substrate; wherein the liquid chemical feeder comprises a first housing and a first cleaning roller rotatably installed within the housing and having an upper portion configured to contact with the substrate.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: May 9, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Jun Lee, Jung-Hwa You, Sohra Hahn, Dong-Myung Shin
  • SUBSTRATE CLEANING APPARATUS
    Publication number: 20140075690
    Abstract: A substrate cleaning apparatus is provided. The substrate cleaning apparatus includes a plurality of transfer rollers for transferring a substrate; a liquid chemical feeder supplying a liquid chemical to a first surface of the substrate; wherein the liquid chemical feeder comprises a first housing and a first cleaning roller rotatably installed within the housing and having an upper portion configured to contact with the substrate.
    Type: Application
    Filed: August 9, 2013
    Publication date: March 20, 2014
    Inventors: Seung-Jun Lee, Jung-Hwa You, Sohra Hahn, Dong-Myung Shin