Liquid crystal display elements with spacers attached to insulat

Details Liquid crystal display elements with spacers attached to insulat Liquid crystal display elements with spacers attached to insulat

1991-11-27

1993-06-15

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 81, 428 1, G02F 11333, G02F 11339, C09K 1900

Patent

active

052204464

ABSTRACT:
A method of dispersing spacers and liquid crystal display elements made by the method, capable of lengthening the life of twisted nematic (TN) and super twisted nematic (STN) which require high reliability. Spacers are dispersed on an upper glass substrate, by using air or volatile liquid. Thereafter, an insulation solution is printed on glass substrates having patterned transparent conductive films. Otherwise, spacers are mixed in an insulation solution. Then, the mixture is printed on glass substrates. The obtained liquid crystal element has a construction wherein each spacer is fixed at its opposite sides to oriented layers as well as insulation layers, respectively.

REFERENCES:
patent: 4362771 (1982-12-01), Umeda et al.
patent: 4470668 (1984-09-01), Inoue et al.
patent: 4966442 (1990-10-01), Ono et al.
patent: 5054890 (1991-10-01), Hanyu et al.

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