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US 4,729,637 AGranted
Liquid crystal display device having colored layer containing polyazo compound
AssigneeCanon Kabushiki Kaisha
InventorsYasufumi Sato, Yoshiyuki Nakura
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Abstract
A liquid crystal display device having a pair of opposing substrates, conductive films provided on the substrates, and a liquid crystal filled between the opposing substrates. The device has a colored layer containing a polyazo compound and provided on at least one of the substrates.
Claims20
A liquid crystal display device having a pair of opposing substrates, conductive films provided on said substrates, and a liquid crystal filled between the opposing substrates, comprising a colored layer containing a polyazo compound and being provided on at least one of said substrates.
Dependencies are inferred from the claim text.