Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9203089 | Positive active material for rechargeable lithium battery and recharge lithium battery including the same | Suk-Chul Jung, Hak-Seok Kang, Heung-Min Oh, Young Hoon DO, Tae Jin Jung | 2015-12-01 |
| 7985352 | Phosphor for plasma display panel and plasma display panel using the same | Ji-Hyun Kim, Dong-Sik Zang, Ick-Kyu Choi, Mi-Ran Song, Hyun-Deok Lee +1 more | 2011-07-26 |
| 6828718 | Phosphors having improved luminance and long lifespan | Kyu-Chan Park, Sang-Hyuk Lee, Il Yu | 2004-12-07 |
| 6818154 | Low-voltage excited red phosphor and method of preparing the same | Il Yu, Kyu-Chan Park | 2004-11-16 |
| 6752933 | Phosphors having longer lifespan | Il Yu, Sang-Hyuk Lee, Kyu-Chan Park | 2004-06-22 |
| 6669868 | Phosphors having improved luminance and longer lifespan | Il Yu, Sang-Hyuk Lee, Kyu-Chan Park | 2003-12-30 |
| 5608554 | LCD having a phosphor layer and a backlight source with a main emitting peak in the region of 380-420nm | Young Rag Do, Joa-Young Jeong, Yong-Chan You | 1997-03-04 |