Patents by Inventor Kwang-Jun Koo

Kwang-Jun Koo 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).

  • LASER CRYSTALLIZATION APPARATUS AND LASER CRYSTALLIZATION METHOD USING THE SAME
    Publication number: 20220120938
    Abstract: A laser crystallization apparatus includes light sources that emit a first laser beam and a second laser beam; a first beam homogenizer through which the first laser beam passes; a second beam homogenizer through which the second laser beam passes; and an optical array on which the first laser beam passed through the first beam homogenizer and the second laser beam passed through the second beam homogenizer are incident. A first path of the first laser beam passed through the first beam homogenizer and a second path of the second laser beam passed through the second beam homogenizer are different from each other. The first beam homogenizer includes first lenses having a first pitch. The second beam homogenizer includes second lenses having a second pitch. The first pitch of the first lenses and the second pitch of the second lenses are same each other.
    Type: Application
    Filed: July 19, 2021
    Publication date: April 21, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Dong Eon Lim, Kyong Sik Choi, Kwang-Jun Koo, Jeong-Mok Kim