Display unit with half-stud, spacer, connection layer and method

Details Display unit with half-stud, spacer, connection layer and method Display unit with half-stud, spacer, connection layer and method

1981-05-06

1983-12-27

Corbin, John L.

Electric lamp or space discharge component or device manufacturi

Apparatus

350334, 445 24, G02F 113

Patent

active

044227310

ABSTRACT:
A two dimensional display unit with an electrically controlled fluid and a method of manufacturing it. A layer of liquid crystal whose birefringence is electrically controlled is disposed between two thin glass plates which bear transparent electrodes and are connected together by metal studs regularly spaced apart over the whole useful surface so as to maintain a gap of constant thickness, the cell thus constituted being illuminated by parallel light and placed between crossed polarizer and analyzer. The invention applies to displaying various images at a low cost.

REFERENCES:
patent: 3858284 (1975-01-01), Costa et al.
patent: 3939556 (1976-02-01), Borel et al.
patent: 4024613 (1977-05-01), Martel et al.
patent: 4104727 (1978-08-01), Washizuka et al.
patent: 4130408 (1978-12-01), Crossland et al.
patent: 4145120 (1979-05-01), Kubota
patent: 4256382 (1981-03-01), Piliavin et al.
Addy et al., "Liquid Crystal Cell Seal", IBM Technical Disclosure Bulletin, vol. 23, No. 11, Apr. 1981, p. 511.
IBM Technical Disclosure Bulletin, vol. 21, No. 8, Jan. 1979, New York (US), C. H. Perry: "Aluminum Spacer Bond Medium", p. 3254.

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