Thermoplastic norbornene resin based optical film

Details Thermoplastic norbornene resin based optical film Thermoplastic norbornene resin based optical film

2006-03-07

2006-03-07

Gulakowski, Randy (Department: 1712)

Compositions

Light transmission modifying compositions

Displaying color change

C252S585000, C359S240000, C428S001310

Reexamination Certificate

active

07008569

ABSTRACT:
Optical films are provided for which the retardation generated, and the wavelength dispersion of that retardation, are able to be controlled. (1) An optical film containing a thermoplastic norbornene resin with a photoelastic coefficient (CP) within a range from 0 to 100 (×10−12Pa−1), and a stress optical coefficient (CR) within a range from 1500 to 4000 (×10−12Pa−1). (2) An optical film containing a thermoplastic norbornene resin either with a group represented by the general formula (2), shown below, or with at least one group selected from the general formulas (3) and (4) shown below. —(CH2)p—O—C(O)—R5

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U.S. Appl. No. 10/491,433, filed Apr. 12, 2004, inventor Sekiguchi et al.

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