Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7943947 | LED device comprising thin-film phosphor having two dimensional nano periodic structures | — | 2011-05-17 |
| 7589461 | Organic electroluminescent display device having a photonic crystal layer provided over electroluminescent stack | Jin-Woo Park, Ho-Kyoon Chung, Jang-Hyuk Kwon, Mu-Hyun Kim, Seung-Yong Song +3 more | 2009-09-15 |
| 7585573 | Ir compound and organic electroluminescent device using the same | Seok-Jong Lee, Seung-Gak Yang, Hee-Yeon Kim, Young-Kook Kim, Seok-Hwan Hwang +2 more | 2009-09-08 |
| 7527398 | Flat panel display | Young-Woo Song, Yoon-Chang Kim, Sang-Hwan Cho, Ji-Hoon Ahn, Joon-Gu Lee +1 more | 2009-05-05 |
| 7455563 | Thin film electroluminescence display device and method of manufacturing the same | Yoon-Chang Kim, Ji-Hoon Ahn, Sang-Hwan Cho, Joon-Gu Lee | 2008-11-25 |
| 7351481 | Imidazole ring-containing compound and organic electroluminescence display device | Seok-Jong Lee, Young-Kook Kim, Seok-Hwan Hwang, Seung-Gak Yang, Hee-Yeon Kim +1 more | 2008-04-01 |
| 7223482 | Phosphor for a plasma display device coated with a continuous thin protective layer and method of manufacture | Do-Hyung Park, Yong-Seon Kim | 2007-05-29 |
| 7176621 | Thin film electroluminescence display device and method of manufacturing the same | Yoon-Chang Kim, Ji-Hoon Ahn, Sang-Hwan Cho, Joon-Gu Lee | 2007-02-13 |
| 7084565 | Assembly of organic electroluminescence display device | Sang-Hwan Cho, Yoon-Chang Kim, Ji-Hoon Ahn, Joon-Gu Lee | 2006-08-01 |
| 6787796 | Organic electroluminescent display device and method of manufacturing the same | Yoon-Chang Kim, Jin-Woo Park, Young-Woo Song | 2004-09-07 |
| 6674237 | Plate for a plasma display panel (PDP), method for fabricating the plate, and a PDP having the plate | Chang Won Park, Joon-bae Lee, Chaun-Gi Choi | 2004-01-06 |
| 6669867 | Oxide-based quantum cutter method and phosphor system | Woun-jhang Park, Christopher Summers, Do-Hyung Park, Hong Yang | 2003-12-30 |
| 6627322 | Functional film having optical and electrical properties | Chaun-Gi Choi, Joon-bae Lee, Chang Won Park | 2003-09-30 |
| 6623862 | Functional film having optical and electrical properties | Chaun-Gi Choi, Joon-bae Lee, Chang Won Park | 2003-09-23 |
| 6579624 | Functional film having optical and electrical properties | Chaun-Gi Choi, Joon-bae Lee, Chang Won Park | 2003-06-17 |
| 6447983 | Smart photolithography | Yong-Pil Han, Joon-bae Lee | 2002-09-10 |
| 5998918 | Phosphor screen for a flickerless cathode ray tube and a process for preparing the same | Chang Won Park, Joon-bae Lee, Won-ho Yoon | 1999-12-07 |
| 5958296 | Phosphor complex having high brightness | Joon-bae Lee, Chang Won Park, Mi-Ran Song | 1999-09-28 |
| 5957560 | Light shutter projector with a fluorescent screen | Chang Won Park, Jang Ho Kim, Jae-Woo Bae, Joon-bae Lee | 1999-09-28 |
| 5608554 | LCD having a phosphor layer and a backlight source with a main emitting peak in the region of 380-420nm | Young-Chul You, Joa-Young Jeong, Yong-Chan You | 1997-03-04 |