Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9845407 | Polymer electret and method of manufacturing the same | Myung Im Kim, Won-Sang Park, Yi Joon Ahn, Suk Yang, Tae Hee Lee | 2017-12-19 |
| 9786750 | Thin film transistor substrates including first and second drain electrodes and display devices including the same | Yi Joon Ahn, Jong-Mo Yeo | 2017-10-10 |
| 9570521 | Bidirectional display device | Tae Hee Lee, Yi Joon Ahn | 2017-02-14 |
| 9565489 | Display device | Tae Hee Lee, Yi Joon Ahn | 2017-02-07 |