PT
7
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Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5146213 Electroluminescent display with memory effect and half-tones Christian Brunel 1992-09-08
5055739 Memory-equipped monochrome display of the photoconductor-electroluminescent type 1991-10-08
5053679 Photoconductive-electroluminescent memory effect polychromatic display 1991-10-01
5053675 Electroluminescent display screen with a memory and a particular configuration of electrodes 1991-10-01
4963861 Electroluminescent memory display having multi-phase sustaining voltages Jean-Pierre Budin 1990-10-16
4877995 Electroluminescent display device using hydrogenated and carbonated amorphous silicon Ionel Solomon 1989-10-31
4808880 Display means with memory effect comprising thin electroluminescent and photoconductive films 1989-02-28