Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10114167 | Ultrathin light unit | Seungman Ryu | 2018-10-30 |
| 10082614 | Viewing angle switchable back light unit | Seungman Ryu, Joobong Hyun, Yongku LEE, Dongyeon KIM, Friedrich-Karl Bruder +1 more | 2018-09-25 |
| 10073416 | Method for producing a holographic optical element | Heejin Im, Guensik Lee, Friedrich-Karl Bruder, Thomas Fäcke, Marc-Stephan Weiser +5 more | 2018-09-11 |
| 9910208 | Thin film type controlled viewing window back light unit and thin flat type controlled viewing window display using the same | Seungman Ryu, Friedrich-Karl Bruder, Thomas Fäcke, Rainer Hagen, Günther Walze | 2018-03-06 |