Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10114162 | Optical film stack with retardance layer having in-plane retardance of greater than 2.0 microns | Kenneth A. Epstein, Adam D. Haag, Seo-Hern Lee, Youn Sihn Kim | 2018-10-30 |
| 8547637 | Optical film composite for brightness enhancement including a birefringent polymer layer | Seo-Hern Lee, Jong-Bok Choi, Yeon-Shin Kim, Byoung Kyu Kim, Jong Seo Lee +3 more | 2013-10-01 |