Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4759609 | Process for the sequential control of a liquid crystal matrix display means having different optical responses in alternating and steady fields | — | 1988-07-26 |
| 4753518 | Integrated control, active matrix display comprising two groups of row electrodes and two groups of column electrodes per image point and its control process | — | 1988-06-28 |
| 4752774 | Control process for a matrix display means displaying grey levels | Denis Sarrasin | 1988-06-21 |
| 4737777 | Polychrome matrix screen without coupling between the rows and columns | Stephane Renard | 1988-04-12 |
| 4701028 | Liquid crystal cell which can have a homeotropic structure with compensated birefringence of said structure | Jean-Claude Deutsch | 1987-10-20 |
| 4694287 | Active matrix display screen without intersection of the addressing columns and rows | Andre Chenevas-Paule | 1987-09-15 |
| 4639090 | Liquid crystal dichroic display with a high brightness contrast | Francis X. Muller | 1987-01-27 |
| 4626072 | Matrix display and method of capacitance compensation via charge distribution | Denis Sarrasin | 1986-12-02 |
| 4625204 | Sequential control process for a matrix display | — | 1986-11-25 |
| 4541690 | Matrix display control process | — | 1985-09-17 |
| 4509828 | Matrix display device with multiple screen electrodes | Jacques Robert | 1985-04-09 |
| 4449125 | Matrix display device | Jacques Robert | 1984-05-15 |
| 4427979 | Process for the control of an optical characteristic of a material by signals of increasing time periods | Jacques Robert | 1984-01-24 |
| 4407870 | Process for positioning the liquid medium in a liquid medium cell and a corresponding cell | Francoise Vinet | 1983-10-04 |