Pixel elements having resistive divider elements

Details Pixel elements having resistive divider elements Pixel elements having resistive divider elements

1995-01-03

1996-11-05

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 60, G02F 11393

Patent

active

055723446

ABSTRACT:
Pixel elements capable of imaging spatial intensity variations within themselves, and displays comprised of such elements, are described. The pixel elements include a resistance layer disposed between at least one set of electrodes. Over that resistance layer is a liquid crystal material. Over that liquid crystal material is a field electrode. In operation a voltage, whose components are referenced to the field electrode, is applied across the resistance layer. The resulting current flow induces a spatially varying electric field between the field electrode and the resistance layer. That spatially varying electric field results in a corresponding response by the liquid crystal layer which results in a spatially varying light transmission through the liquid crystal material. By varying the voltage across the resistance layer and/or the voltage applied to the field electrode varying amounts of light transmission can be achieved.

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patent: 4906072 (1990-03-01), Kaneko et al.
patent: 5204764 (1993-04-01), Maeda et al.
patent: 5490002 (1992-02-01), Nicholas

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