Patents by Inventor Tai-Hyung Lee

Tai-Hyung Lee 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).

  • ETCHANT COMPOSITION, PATTERNING CONDUCTIVE LAYER AND MANUFACTURING FLAT PANEL, DISPLAY DEVICE USING THE SAME
    Publication number: 20090227075
    Abstract: An etchant composition that allows simplification and optimization of semiconductor manufacturing process is presented, along with a method of patterning a conductive layer using the etchant and a method of manufacturing a flat panel display using the etchant. The etchant includes nitric acid, phosphoric acid, acetic acid, and an acetate compound in addition to water.
    Type: Application
    Filed: February 24, 2009
    Publication date: September 10, 2009
    Inventors: Bong-Kyun Kim, Hong-Sick Park, Jong-Hyun Choung, Sun-Young Hong, Ji-Sun Lee, Byeong-Jin Lee, Kui-Jong Baek, Tai-Hyung Lee, Yong-Sung Song