Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10197713 | Light directing film and method for making the same | Alan B. Campbell, Dale L. Ehnes, John F. Van Derlofske, III, Mark R. Dupre, Stephen J. Dreyer +2 more | 2019-02-05 |
| 9810817 | Light directing film and method for making the same | Alan B. Campbell, Dale L. Ehnes, John F. Van Derlofske, III, Mark R. Dupre, Stephen J. Dreyer +2 more | 2017-11-07 |
| 7950838 | Light directing film | Todd M. Johnson, Tetsuya Toma | 2011-05-31 |
| 7385659 | Structured transflectors for enhanced ambient and backlight operation of transmissive liquid crystal displays | Keith M. Kotchick, Kenneth A. Epstein, Donald J. McClure, Andrew J. Ouderkirk | 2008-06-10 |
| 7339635 | Pre-stacked optical films with adhesive layer | Anthony J. Freking, Keith M. Kotchick, Michael L. Ruegsegger | 2008-03-04 |
| 7223005 | Hybrid lightguide backlight | David J. Lamb, Keith M. Kotchick, Mark E. Gardiner, Mark B. O'Neill, Kenneth A. Epstein +1 more | 2007-05-29 |
| 7088405 | Structured transflectors for enhanced ambient and backlight operation of transmissive liquid crystal displays | Keith M. Kotchick, Kenneth A. Epstein, Donald J. McClure, Andrew J. Ouderkirk | 2006-08-08 |