Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8796676 | Tandem white organic light emitting device | Sung-Hoon Pieh, Chang Wook Han, Hong-Seok Choi, Ki-Woog Song | 2014-08-05 |
| 8647753 | Organic electroluminescence device | Jung Keun Kim, Hyun Cheol Jeong, Chun Gun Park, Jong-Kwan Bin | 2014-02-11 |
| 8623519 | Red phosphorescent compound and organic electroluminescent device using the same | Jung Keun Kim, Kyung-Hoon Lee, Chun Gun Park, Hyun Cheol Jeong, Jong-Kwan Bin +1 more | 2014-01-07 |
| 8563143 | Organic electroluminescence device and method for fabricating the same | Sang Tae Park, Myung Seop Kim, Eun Soo Cha, Jae-Man Lee, Chang-Je Sung | 2013-10-22 |
| 8563144 | Organic electroluminescence device and method for fabricating the same | Myung Seop Kim, Jac Man Lee, Kyung-Hoon Lee, Chang-Je Sung, Sang Tac Park +1 more | 2013-10-22 |
| 8530059 | Red phosphorescent compound and organic electroluminescent device using the same | Jung Keun Kim, Hyun Cheol Jeong, Chun Gun Park, Jong-Kwan Bin, Kyung-Hoon Lee +1 more | 2013-09-10 |
| 8501328 | Red phosphorescent compounds and organic electroluminescent devices using the same | Jung Keun Kim, Hyun Cheol Jeong, Chun Gun Park, Jong-Kwan Bin, Kyung-Hoon Lee +1 more | 2013-08-06 |
| 8436344 | Organic electroluminescent device | Kyung-Hoon Lee, Hee Jung Kim, Chun Gun Park, Hyoung Yun Oh | 2013-05-07 |
| 8143784 | Display device | Sang Tae Park, Myung Seop Kim, Won Jae Yang, Hyun Ju Choi, Young-Hoon Shin +2 more | 2012-03-27 |
| 7994498 | White organic light emitting device and method for manufacturing the same | Sung-Hoon Pieh, Chang-Je Sung, Sang Kyoon Kim | 2011-08-09 |
| 7740957 | Red phosphorescence compounds and organic electroluminescence device using the same | Jung Keun Kim, Chun Gun Park, Hyun Cheol Jeong, Kyung-Hoon Lee, Sang Tae Park | 2010-06-22 |
| 7709101 | Organic electroluminescence device | Chun Gun Park, Hyun Cheol Jeong, Kyung-Hoon Lee | 2010-05-04 |
| 7700201 | Organic electroluminescent device | Kyung-Hoon Lee, Hee Jung Kim, Chun Gun Park, Hyoung Yun Oh | 2010-04-20 |
| 7651787 | Organic electroluminescent device | Hee Jung Kim, Kyung-Hoon Lee, Hyoung Yun Oh, Myung Seop Kim, Chun Gun Park | 2010-01-26 |
| 7651788 | Organic electroluminescent device | Hee Jung Kim, Kyung-Hoon Lee, Hyoung Yun Oh, Myung Seop Kim, Chun Gun Park | 2010-01-26 |
| 7576484 | Organic electroluminescence device | Kyung-Hoon Lee, Hyun Cheol Jeong, Chun Gun Park, Jung Keun Kim, Sung Kab Kim | 2009-08-18 |
| 7563898 | Iridium-based luminescent compounds having phenylpyridine moieties with organosilicon group, and organic electroluminescence devices using the compounds as color-producing materials | Chun Gun Park, Soon-Ki Kwon, Yun-Hi Kim, Sung-ouk Jung, Jun Hwan Ahn +1 more | 2009-07-21 |
| 7541097 | Organic electroluminescent device and method for fabricating the same | Hee Jung Kim, Kyung-Hoon Lee, Hyoung Yun Oh, Myung Seop Kim, Chun Gun Park | 2009-06-02 |
| 7507485 | Organic electroluminescent device | Hyoung Yun Oh, Sung Koo Lee, Chun Gun Park, Myung Seop Kim | 2009-03-24 |
| 7470928 | Red phosphorescence compounds | Hyun Cheol Jeong, Chun Gun Park, Kyung-Hoon Lee, Jae-Man Lee, Jung Keun Kim | 2008-12-30 |
| 7442449 | Organic electroluminescence device | Jung Keun Kim, Hyun Cheol Jeong, Kyung-Hoon Lee, Chun Gun Park | 2008-10-28 |
| 7378162 | Organic electroluminescence devices using red phosphorescence compounds | Hyun Cheol Jeong, Chun Gun Park, Kyung-Hoon Lee, Jae-Man Lee, Jung Keun Kim | 2008-05-27 |
| 6964730 | Purification apparatus and method | Kyung-Hoon Lee, Hyoung Yun Oh | 2005-11-15 |