Patents by Inventor Tao-woon Cha

Tao-woon Cha 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 MANUFACTURING A BLACK MATRIX OF COLOR FILTER
    Publication number: 20070184363
    Abstract: A method of manufacturing a black matrix of a color filter includes forming a light-shielding layer of a hydrophobic organic material on a surface of a transparent substrate, forming a blocking layer of a fluorinated resin on a top surface of the light-shielding layer, patterning the light-shielding layer and the blocking layer to form the black matrix, the black matrix having a top surface formed with the blocking layer, and heating the black matrix formed with the blocking layer and irradiating UV light towards an upper portion of the black matrix.
    Type: Application
    Filed: November 13, 2006
    Publication date: August 9, 2007
    Inventors: Sung-woong KIM, Wou-sik Kim, Tao-woon Cha, Ki-deok Bae, Seong-jin Kim, Seung-joo Shin, Seog-soon Baek