Fast-switching twisted nematic electro-optical shutter and colour filter
- 4 April 1974
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 10 (7) , 114-115
- https://doi.org/10.1049/el:19740088
Abstract
We report a method for operating twisted nematic devices with rapid turnoff times by using a nematic material with variable dielectric anisotropy. These are useful as fast shutters and colour switches, and can be operated at a 25 Hz repetition rate.Keywords
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