Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7994713 | Organic light emitting diode and method of fabricating the same | Ji-Hwan Yoon, Byung-Hoon Chun, Seong-Jong Kang, Eun Jung Lee | 2011-08-09 |
| 7898175 | Organic light emitting display apparatus with an enhanced viewing angle | Ji-Hwan Yoon | 2011-03-01 |