Patterned polarizer having differently dyed areas

Details Patterned polarizer having differently dyed areas Patterned polarizer having differently dyed areas

1983-01-31

1984-08-21

Arnold, Bruce Y.

G02B 530

Patent

active

044667043

ABSTRACT:
A light polarizer element comprising a unitary film of molecularly oriented polymeric material exhibiting a pattern of dichroic stained areas, at least one of the pattern areas thereof formed by bleaching a first dichroic dye from the film and then restaining the at least one bleached area with a second, different, dichroic dye.

REFERENCES:
patent: Re23297 (1950-11-01), Hyman et al.
patent: 2237567 (1941-04-01), Land
patent: 2454514 (1948-11-01), Land
patent: 3015989 (1962-01-01), Delangre et al.
patent: 3520752 (1970-07-01), Dreyer
patent: 3545998 (1970-12-01), Buzzell
patent: 4166871 (1979-09-01), Schuler

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