1. Field effects in nematic liquid crystals obtained with interdigital electrodes
- Author
-
Richard A. Soref
- Subjects
Condensed Matter::Soft Condensed Matter ,Birefringence ,Optics ,Materials science ,Field (physics) ,Biaxial nematic ,business.industry ,Liquid crystal ,Electrode ,Physics::Optics ,General Physics and Astronomy ,Optoelectronics ,business - Abstract
New electro‐optic effects in nematic liquid crystals have been found with a gratinglike array of in‐plane interdigital electrodes. High‐contrast light valving has been demonstrated in a tunable optical‐activity mode and in two tunable birefringence modes. All three field‐effect modes utilized a positive‐dielectric‐anisotropy nematic liquid crystal. Proposals are made for applying the interdigital technique to cholesteric, smectic, and mixed liquid‐crystal systems. Experimental results indicate that the comb‐shaped electrodes are valuable in a variety of display devices.
- Published
- 1974
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