Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8013514 | Electroluminescent display device provided with a photonic crystal layer incorporating voids in a vacuum state | Jin-Woo Park, Ho-Kyoon Chung, Jang-Hyuk Kwon, Mu-Hyun Kim, Seung-Yong Song +3 more | 2011-09-06 |
| 7898167 | Electroluminescence display device with improved external light coupling efficiency and brightness | Young-Woo Song, Sang-Hwan Cho, Ji-Hoon Ahn, Joon-Gu Lee, So-Young Lee +2 more | 2011-03-01 |
| 7755290 | Micro discharge (MD) plasma display panel including electrode layer directly laminated between upper and lower subtrates | Sang-Hoon Yim, Min-Suk Lee, Hyoung-Bin Park | 2010-07-13 |
| 7696687 | Organic electroluminescent display device with nano-porous layer | Joon-Gu Lee, Young-Woo Song, Sang-Hwan Cho, Ji-Hoon Ahn, Jong-Seok Oh +1 more | 2010-04-13 |
| 7659662 | Electroluminescence display device with microlens | Young-Woo Song, Jong-Seok Oh, Sang-Hwan Cho, Ji-Hoon Ahn, Joon-Gu Lee +2 more | 2010-02-09 |
| 7598671 | Flat panel display and method of manufacturing the same | Young-Woo Song, Jong-Seok Oh, Sang-Hwan Cho, Ji-Hoon Ahn, Joon-Gu Lee +2 more | 2009-10-06 |
| 7595586 | Organic electroluminescent display device | Jong-Seok Oh, Young-Woo Song, Ji-Hoon Ahn, Sang-Hwan Cho, So-Young Lee +1 more | 2009-09-29 |
| 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 |
| 7579775 | Electroluminescence display device with improved external light coupling efficiency and method of manufacturing the same | Young-Woo Song, Jong-Seok Oh, Sang-Hwan Cho, Ji-Hoon Ahn, Joon-Gu Lee +2 more | 2009-08-25 |
| 7527398 | Flat panel display | Young-Woo Song, Young Rag Do, Sang-Hwan Cho, Ji-Hoon Ahn, Joon-Gu Lee +1 more | 2009-05-05 |
| 7473932 | Organic light emitting device and method of manufacturing the same | Sang-Hwan Cho, Young-Woo Song, Ji-Hoon Ahn, Jong-Seok Oh, Joon-Gu Lee +1 more | 2009-01-06 |
| 7455563 | Thin film electroluminescence display device and method of manufacturing the same | Young Rag Do, Ji-Hoon Ahn, Sang-Hwan Cho, Joon-Gu Lee | 2008-11-25 |
| 7362047 | Inorganic electroluminescent display device and method of manufacturing the same | Young-Woo Song, Jong-Seok Oh, Ji-Hoon Ahn, Sang-Hwan Cho, Joon-Gu Lee +1 more | 2008-04-22 |
| 7176621 | Thin film electroluminescence display device and method of manufacturing the same | Young Rag Do, Ji-Hoon Ahn, Sang-Hwan Cho, Joon-Gu Lee | 2007-02-13 |
| 7084565 | Assembly of organic electroluminescence display device | Sang-Hwan Cho, Young Rag Do, Ji-Hoon Ahn, Joon-Gu Lee | 2006-08-01 |
| 6800990 | Cathode material including rare earth metal used as electron emission source for electron beam apparatus | Jong-Seo Choi, Hyek-Bok Lee, Kyu-Nam Joo | 2004-10-05 |
| 6791251 | Metal cathode and indirectly heated cathode assembly having the same | Dong-Kyun Seo, Jong-Seo Choi, Kyoung-Cheon Son, Kyu-Nam Joo, Sung-Hwan Moon +2 more | 2004-09-14 |
| 6787796 | Organic electroluminescent display device and method of manufacturing the same | Young Rag Do, Jin-Woo Park, Young-Woo Song | 2004-09-07 |
| 6762544 | Metal cathode for electron tube | Kyu-Nam Joo, Dong-Kyun Seo, Bu-Chul Sin | 2004-07-13 |
| 6528361 | Process for preparing a polycrystalline silicon thin film | Byung-Tae Ahn, Do-Kyung Kim, Jong Hee Kim, Jeong-No Lee | 2003-03-04 |
| 6511632 | Cathode material of electron beam device and preparation method thereof | Jong-Seo Choi, Kyu-Nam Joo, Nikolay Osaulenko, Vladislav Shutovsky, Oleg Kostantinovich Kultashev | 2003-01-28 |
| 6390877 | Method for manufacturing an electron gun including a metal layer between a base metal and an electron emitting layer | Jong-Seo Choi, Gyu-Nam Joo | 2002-05-21 |
| 6255764 | Electron gun cathode with a metal layer having a recess | Jong-Seo Choi, Gyu-Nam Joo | 2001-07-03 |
| 6140753 | Cathode for an electron gun | Gyu-Nam Joo, Jong-Seo Choi | 2000-10-31 |
| 6054800 | Cathode for an electron gun | Gyu-Nam Joo, Jong-Seo Choi | 2000-04-25 |