Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7830599 | Projection-type display apparatus and display method thereof | Jong Soo Lee, Kee-uk Jeon, Jung-Hyeon Kim | 2010-11-09 |
| 7304690 | Optical engine of a projection television | — | 2007-12-04 |