Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1983-06-13
1986-04-08
Brigance, Gerald L.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340784, 340765, 350332, 350333, G09G 128
Patent
active
045816085
ABSTRACT:
A multi-color liquid crystal display has a one-dimensional or two-dimensional array of at least one display cell, with a plurality of different liquid crystal host/guest dichroic dye compositions in each cell. Each of the different liquid crystal compositions may be provided within separate microcapsules, with the totality of micro-capsules being blended to provide the total composition filling the cell volume or dielectric spacers may be utilized to divide the volume of each display cell into a like plurality of subvolumes, each containing a different liquid crystal material. Liquid crystal hosts of substantially-constant or variable dielectric anisotropy magnitude and polarity are selected to cause different ones of the plurality of compositions within a cell to switch between transmission and absorption of various visible-wavelengths regions as the frequency and amplitude of an electric field within the cell is varied by control electronics of a display system.
REFERENCES:
patent: 4035690 (1977-07-01), Roeber
patent: 4241339 (1980-12-01), Ushiyama
patent: 4448490 (1984-05-01), Shibuya et al.
patent: 4485376 (1984-11-01), Noble
Aftergut Siegfried
Bigelow John E.
Cole Herbert S.
Saupe Alfred O.
Brier Jeffery
Brigance Gerald L.
Davis Jr. James C.
General Electric Company
Krauss Geoffrey H.
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