Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5805131 | Ferroelectric display device with temperature compensation | Franciscus H. A. Lathouwers | 1998-09-08 |
| 5404236 | Display device with crossing electrodes with specific ratio for gray scale | Johannes A. M. M. Van Haaren, Antonius G. H. Verhulst | 1995-04-04 |
| 5208689 | Electro-optic display device with increased number of transmission levels | Leonard J. M. Esser, Antonius G. H. Verhulst, Johannes A. M. M. Van Haaren | 1993-05-04 |
| 5151804 | Ferroelectric liquid crystal display having a spread of angles for grayscale and method of manufacture | Antonius G. H. Verhulst, Franciscus Johannes Stommels, Ann M. M. Luyckx-Smolders | 1992-09-29 |
| 5047758 | Method of driving a passive ferro-electric liquid crystal display device | Karel E. Kuijk | 1991-09-10 |
| 4976515 | Method of driving a ferroelectric to display device to achieve gray scales | — | 1990-12-11 |
| 4840462 | Method of driving a ferroelectric liquid crystal display device and associated display device to achieve gray scale | — | 1989-06-20 |