Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497969 | Electroluminescent device having an organic layer including polyimide | Youngkyoo Kim | 2002-12-24 |
| 6379743 | Process for the preparation of organic electroluminescent device using vapor deposition polymerization | Youngkyoo Kim, Dong Kwon Choi | 2002-04-30 |
| 6342637 | Diamine hole transport agent and organic electroluminescent device containing same | Ki-Jong Han, Youngkoo Kim, Dong Kwon Choi | 2002-01-29 |
| 6337404 | Diamine hole transport agent and organic electroluminescent device containing same | Ki-Jong Han, Youngkyoo Kim, Dong Kwon Choi | 2002-01-08 |