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US4232950A Liquid crystal compositions including pleochroic dye 失效
液晶组合物包括双色染料

Liquid crystal compositions including pleochroic dye
摘要:
Liquid crystal compositions containing pleochroic dyes. The pleochroic dyes are substituted anthraquinones useful in guest-host combinations with nematic liquid crystal compositions having positive dielectric anisotropy. Electro-optic devices containing these guest-host combinations are employed.
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