Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9224328 | Organic electro luminescence display device and driving method thereof | Hak Su Kim, Won Kyu Ha | 2015-12-29 |
| 9196662 | Organic light emitting display and method for manufacturing the same | Ho-Won Choi | 2015-11-24 |
| 9196876 | Touch screen integrated organic light emitting display device and method for fabricating the same | Ho-Won Choi | 2015-11-24 |
| 9130181 | Organic light emitting display and method for manufacturing the same | Ho-Won Choi | 2015-09-08 |
| 8946690 | Touch screen integrated organic light emitting display device and method for fabricating the same | Ho-Won Choi | 2015-02-03 |
| 8427397 | Light emitting diode display device | Yong Il Kwon, Kyoung Don Woo | 2013-04-23 |
| 8398948 | Method of preparing carbon nanotube from liquid phased-carbon source | Beyong Hwan Ryu, Ki Jeong Kong, Hyun Ju Chang, Young-min Choi, Ha-Kyun Jung +2 more | 2013-03-19 |
| 8274451 | Electroluminescent device and method of driving the same | Ji Hun Kim, Hee Young Lee | 2012-09-25 |
| 7884782 | Electro-luminescence display panel and driving method thereof | Ki Heon Kim, Hak Su Kim | 2011-02-08 |
| 7843409 | Dual panel apparatus and method of driving the same | Young Jun Hong, Hak Su Kim | 2010-11-30 |
| 7742022 | Organic electro-luminescence display device and driving method thereof | Hak Su Kim | 2010-06-22 |
| 7663589 | Electro-luminescence display device and driving method thereof | Won Kyu Ha, Hak Su Kim, Ki Heon Kim, Jung Min Seo, Hyun Joung Kim | 2010-02-16 |
| 7564068 | COG-typed organic electroluminescent cell | Hak Su Kim, Won Kyu Ha | 2009-07-21 |
| 7365716 | Light emitting device and method of driving the same | Hak Su Kim, Su Jin Baek | 2008-04-29 |
| 6170734 | Method of joining silicon nitride to carbon steel | Young-min Choi | 2001-01-09 |
| 6018142 | Glow plug ceramic heater | Young-min Choi, Oh Sang Lee, Sang Hoon Lee | 2000-01-25 |
| 5656872 | Communication cable for reducing electromagnetic wave interference and for use in connecting a computer main body with a monitor | — | 1997-08-12 |
| 5324694 | Silicon nitride/boron nitride composite with enhanced fracture toughness | Daniel R. Petrak | 1994-06-28 |
| 4253221 | Method of producing low voltage field emission cathode structure | Joe K. Cochran, Alan T. Chapman | 1981-03-03 |