Optical: systems and elements – Optical modulator – Light wave temporal modulation
Patent
1990-01-10
1992-01-07
LaRoche, Eugene R.
Optical: systems and elements
Optical modulator
Light wave temporal modulation
359245, G02F 101
Patent
active
050784803
ABSTRACT:
A light-modulating cell comprises at least a first electrode (which is transparent and electronically conducting); a second electrode (separated transversely from the first electrode and electronically conducting); at least one layer or electrolytic material interposed between the two electrodes and in contact with them in the region of a picture element; electrical connection zones for conducting electrical current to the electrodes. The zones are enable application to the working electrode of an electrical voltage negative with respect to that of the second electrode, and, further enable flow between the electrodes of a current whose direction is opposite to that of the electrical current resulting from the application of the previous voltage. This cell enables writing at least one picture element; maintaining such a picture element in the written state; and erasing such a picture element.
REFERENCES:
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patent: 4538158 (1985-08-01), Warszawski
patent: 4571029 (1986-02-01), Skotheim et al.
patent: 4573768 (1986-03-01), Polak et al.
patent: 4596722 (1986-06-01), Warszawski
patent: 4801195 (1989-01-01), Kawai et al.
Alpine Polyvision, Inc.
LaRoche Eugene R.
Shingleton Michael B.
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