Patent · US Active

Polymer film, retardation film, polarizing plate, liquid crystal display, and compound

US8871314B2 · kind B2 · utility

1Cited by
2References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 31, 2013
Grant dateOct 28, 2014
Priority date
Expiry dateMay 31, 2033

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B5/30
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Provided is a polymer film containing at least one of a compound represented by formula (1) of hydrates, solvates, or salts thereof. Y is a methine group or nitrogen atom. Qa, Qb, and Qc are a single bond or a divalent linking group. Ra, Rb, and Rc, are hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, cyano group, halogen group, or heterocyclic group. X2 is a single bond or a divalent linking group. X1 is a single bond or a predetermined divalent linking group. R1 and R2 are a hydrogen atom, alkyl group, alkenyl group, alkynyl group, aryl group, or heterocyclic group.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.