Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7911136 | Polarizer and organic light emitting display apparatus including the same | Joon-Gu Lee, Young-Woo Song, Kyu-Hwan Hwang, Jae-Heung Ha, Chul-Woo Park +1 more | 2011-03-22 |
| 7898167 | Electroluminescence display device with improved external light coupling efficiency and brightness | Young-Woo Song, Yoon-Chang Kim, Sang-Hwan Cho, Ji-Hoon Ahn, Joon-Gu Lee +2 more | 2011-03-01 |