Patent · US Active

Compensation film and optical film and display device

US9874657B2 · kind B2 · utility

1Cited by
6References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 10, 2016
Grant dateJan 23, 2018
Priority date
Expiry dateMay 10, 2036

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B5/3083
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A compensation film including a polymer having a first structural unit represented by Chemical Formula 1, and having a photoelastic coefficient of less than or equal to about 40×10−13 cm2/dynwherein in Chemical Formula 1, Ar1, X, L1, and R1 are the same as described in the detailed description.

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