Patents by Inventor Chool-Lae Roh

Chool-Lae Roh 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).

  • Method of forming organic thin film pattern and method of manufacturing organic light-emitting display device by using the method of forming organic thin film pattern
    Patent number: 8298844
    Abstract: A method of manufacturing an organic thin film pattern, the method including: forming a dummy organic thin film on a substrate; radiating light on the dummy organic thin film pattern the dummy organic thin film; forming a main organic thin film, having a sublimation temperature is higher than that of the dummy organic thin film, on the substrate and the patterned dummy organic thin film; and heating patterned the dummy organic thin film and the main organic thin film, to sublimate the dummy organic thin film and thereby pattern the main organic thin film.
    Type: Grant
    Filed: December 9, 2010
    Date of Patent: October 30, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kang-Il Lee, Yong-Sup Choi, Chool-Lae Roh
  • METHOD OF FORMING ORGANIC THIN FILM PATTERN AND METHOD OF MANUFACTURING ORGANIC LIGHT-EMITTING DISPLAY DEVICE BY USING THE METHOD OF FORMING ORGANIC THIN FILM PATTERN
    Publication number: 20110171763
    Abstract: A method of manufacturing an organic thin film pattern, the method including: forming a dummy organic thin film on a substrate; radiating light on the dummy organic thin film pattern the dummy organic thin film; forming a main organic thin film, having a sublimation temperature is higher than that of the dummy organic thin film, on the substrate and the patterned dummy organic thin film; and heating patterned the dummy organic thin film and the main organic thin film, to sublimate the dummy organic thin film and thereby pattern the main organic thin film.
    Type: Application
    Filed: December 9, 2010
    Publication date: July 14, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Kang-Il Lee, Yong-Sup Choi, Chool-Lae Roh