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Negative birefringent rigid rod polymer films

A negative birefringent film, useful in liquid crystal displays, and a method for controlling the negative birefringence of a polyimide film is disclosed which allows the matching of an application to a targeted amount of birefringence by controlling the degree of in-plane orientation of the polyimide by the selection of functional groups within both...

Published: 6/23/2016 | Updated: 3/17/2016 | Inventor(s): Frank Harris, Stephen Cheng

Keywords(s): LCD

Category(s): LCD