Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11730034 | Organic light emitting display device having emission area and non_emission area for each of the plurality of sub-pixels | Heejin Kim | 2023-08-15 |
| 11282905 | Electroluminescent display device | SungSoo Park, Heejin Kim | 2022-03-22 |
| 10797119 | Electroluminescent display device | Heejin Kim, SungSoo Park | 2020-10-06 |
| 10756305 | Electroluminescence display apparatus | Heejin Kim, SungSoo Park | 2020-08-25 |