Issued Patents 1994
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371230 | Phenylpyridine derivatives and liquid crystalline mixtures containing same | Stephen Kelly, Alois Villiger | 1994-12-06 |
| 5335303 | Quasi-phased matched optical waveguide frequency conversion element having a ferroelectric liquid crystalline material exhibiting a periodic structure | Richard Buchecker, Xin Chen, Rolf-Peter Herr, Martin Schadt, Klaus Schmitt | 1994-08-02 |
| 5327273 | Bistable ferroelectric liquid crystal display cell | Leonid A. Beresnev, Richard Buchecker, Nina I. Chernova, Vladimir Grigorievich Chigrinov, Marina V. Loseva +3 more | 1994-07-05 |
| 5319478 | Light control systems with a circular polarizer and a twisted nematic liquid crystal having a minimum path difference of .lambda./2 | Martin Schadt | 1994-06-07 |
| 5309265 | Short pitch LC layer with a temperature independent .lambda..sub.0 and containing a nematic LC doped with plural chiral additives having the same twist sense | Richard Buchecker, Martin Schadt | 1994-05-03 |
| 5295009 | Polarizer device | Mikhail I. Barnik, Seraey V. Belyaev, Nikolai Vladimirovich Malimonenko, Martin Schadt, Klaus Schmitt | 1994-03-15 |