Patents by Inventor Tae-Jun Ok

Tae-Jun Ok 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).

  • Liquid crystal polyester resin composition and printed circuit board using the same
    Patent number: 7887887
    Abstract: Disclosed herein is a liquid crystal polyester resin composition and a printed circuit board using the composition. The composition comprises a liquid crystal polyester, a polybenzimidazole and an aprotic solvent. The composition exhibits good thermal stability and has a low dielectric constant. The composition can be advantageously used as a material for printed circuit boards (PCBS) used in semiconductor packages, mobile devices and LCD devices.
    Type: Grant
    Filed: May 20, 2008
    Date of Patent: February 15, 2011
    Assignees: Samsung Electronics Co., Ltd., Samsung Electro-Mechanics Co., Ltd., Samsung Fine Chemicals Co., Ltd.
    Inventors: Chung-Kun Cho, Myung-Sup Jung, Yoo-Seung Yang, Mahn-Jong Kim, Tae-Jun Ok