Guest-host reflective liquid crystal display device with a parti

Details Guest-host reflective liquid crystal display device with a parti Guest-host reflective liquid crystal display device with a parti

1997-07-02

1999-01-05

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349179, C09K 1960

Patent

active

058568590

ABSTRACT:
A reflective liquid crystal display device includes a pair of substrates and a liquid crystal layer interposed therebetween. The liquid crystal layer includes a liquid crystal material and a dichroic dye contained therein, and long axis of liquid crystal molecules near the substrate is substantially parallel to the substrate. A plurality of parameters of the reflective liquid crystal display device are set so that a product K.sub.M cd of a value K.sub.M, a dye concentration c and a thickness d of the liquid crystal layer satisfies the following relationship:

REFERENCES:
patent: 4527864 (1985-07-01), Dir
patent: 5408345 (1995-04-01), Mitsui et al.
patent: 5453217 (1995-09-01), Keneko et al.

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