Patents by Inventor Sungi-il Park

Sungi-il Park 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).

  • Manufacture of shaped structures in lcd cells, and masks therefor
    Publication number: 20060119932
    Abstract: A method of forming shaped structures in liquid crystal display cells, comprises applying a photosensitive layer (6) to a transistor plate (2), and forming the shaped structures on the photosensitive layer in a photolithographic process using a grey-tone photo mask (7, 21). This mask comprises at least one region of semi-transparent material (8, 16, 18), the degree of transparency of which is dependent on the optical band gap of the material.
    Type: Application
    Filed: November 28, 2003
    Publication date: June 8, 2006
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.
    Inventors: Sungi-il Park, Ian French