Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8052891 | Fluorene derivative, liquid crystal composition comprising the same, and optical film using the same liquid crystal composition | Jae Ho Cheong, Min Jin Ko, Bum Gyu Choi, Dae Ho Kang, Ki-Youl Lee +1 more | 2011-11-08 |
| 7968003 | Pyran derivative, its preparation method, liquid crystal composition and liquid crystal display device comprising the same | Bum Gyu Choi, Min Jin Ko, Jae Ho Cheong, Dae Ho Kang, Ki-Youl Lee +1 more | 2011-06-28 |
| 7931946 | Liquid crystal compound containing sulfone group, liquid crystal composition comprising the same, and optical film using the same liquid crystal composition | Jae Ho Cheong, Min Jin Ko, Bum Gyu Choi, Dae Ho Kang, Ki-Youl Lee +1 more | 2011-04-26 |
| 7910664 | Radially multi-branched polymer and porous film using the same | Jae Ho Cheong, Gwi-Gwon Kang, Min Jin Ko, Jung Won KANG, Byung-Ro Kim +3 more | 2011-03-22 |