Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7973742 | Method of driving field emission device (FED) and method of aging FED using the same | Chan-wook Baik, Jeong Hee Lee, Jeong-na Heo, Deuk-seok Chung, Kyoung Won MIN | 2011-07-05 |
| 7824936 | Method of manufacturing dispersion type AC inorganic electroluminescent device and dispersion type AC inorganic electroluminescent device manufactured thereby | Shang Hyeun PARK, Se-gi Yu, Min-jong Bae | 2010-11-02 |
| 7553428 | Method of fabricating spacers and method of installing spacers in flat panel device | Jeong Hee Lee, Jeong-na Heo | 2009-06-30 |
| 7531950 | Field emission device and its method of fabrication | Young-Jun Park | 2009-05-12 |
| 7507135 | Method of manufacturing field emitter | Sang Hyun Lee, Jeong Hee Lee, Shang Hyeun PARK, Jung-Na Heo, Won Seok Kim | 2009-03-24 |
| 7489070 | Field emission device and field emission display using the same having a concave-shaped cathode to enhance electron focusing | Young-Jun Park | 2009-02-10 |
| 7393410 | Method of manufacturing nano-wire | Sang Hyun Lee, Jeong-Na Huh | 2008-07-01 |
| 7393259 | Method of forming emitters and method of manufacturing field emission device (FED) | Jeong-na Heo, Shang Hyeun PARK | 2008-07-01 |
| 7371696 | Carbon nanotube structure and method of vertically aligning carbon nanotubes | Yong Wan Jin, Jong Min Kim, Hee-Tae Jung, Young Koan Ko | 2008-05-13 |
| 7078007 | Method for manufacturing carbon nanotubes | Se-gi Yu, Whi-kun Yi, Jeong Hee Lee, Yong Wan Jin | 2006-07-18 |
| 7025652 | Electron amplifier utilizing carbon nanotubes and method of manufacturing the same | Jung-Na Heo, Whi-kun Yi, Jeong Hee Lee, Se-gi Yu, Chang-Soo Lee | 2006-04-11 |
| 6903500 | Field emitter device comprising carbon nanotube having protective membrane | Ji-Beom Yoo, Whi-kun Yi, Jeong Hee Lee, Se-gi Yu, Chang-Soo Lee +1 more | 2005-06-07 |
| 6870308 | Electron amplifier utilizing carbon nanotubes and method of manufacturing the same | Jung-Na Heo, Whi-kun Yi, Jeong Hee Lee, Se-gi Yu, Chang-Soo Lee | 2005-03-22 |