Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8067770 | Thin film transistor and flat panel display device including the same | Jae-Heung Ha, Jong-Hyuk Lee, Yong-Tak Kim | 2011-11-29 |
| 7985113 | Retardation layer and organic light-emitting device including the same | Jin-Baek Choi, Won-Jong Kim, Yong-Tak Kim, Jong-Hyuk Lee, Yoon-Hyeung Cho +4 more | 2011-07-26 |
| 7947973 | Organic light-emitting device | Jong-Hyuk Lee, Won-Jong Kim, Yoon-Hyeung Cho, Joon-Gu Lee, Jae-Heung Ha | 2011-05-24 |
| 7911136 | Polarizer and organic light emitting display apparatus including the same | Joon-Gu Lee, Kyu-Hwan Hwang, Jong-Seok Oh, Jae-Heung Ha, Chul-Woo Park +1 more | 2011-03-22 |
| 7898167 | Electroluminescence display device with improved external light coupling efficiency and brightness | Yoon-Chang Kim, Sang-Hwan Cho, Ji-Hoon Ahn, Joon-Gu Lee, So-Young Lee +2 more | 2011-03-01 |