Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8035039 | Electromagnetic shielding sheet, plasma display apparatus using the same, and related technology | Hong Rae Cha, Gi Jin Kwon, Jin-Woo Park, Woon Seo Shin, Joon Kwon Moon +1 more | 2011-10-11 |
| 7852002 | Filter and plasma display device thereof | Hong Rae Cha, Ji Hoon Sohn, Joon Kwon Moon, Woon Seo Shin | 2010-12-14 |
| 7812539 | Filter and plasma display device thereof | Hong Rae Cha, Ji Hoon Sohn, Joon Kwon Moon, Woon Seo Shin, Ki-Hoon Song +1 more | 2010-10-12 |
| 7807958 | Switch for an illumination device, and projection system including the same | Ji Hyouk Chung | 2010-10-05 |
| 7002743 | Polarization conversion system | Young Woon Kim, Ho Young Choi | 2006-02-21 |
| 6834962 | Projection system | — | 2004-12-28 |
| 6582081 | Projection display device | Joon-chan Park | 2003-06-24 |