×

Light directing film

  • US 7,950,838 B2
  • Filed: 05/31/2006
  • Issued: 05/31/2011
  • Est. Priority Date: 05/31/2006
  • Status: Expired due to Fees
First Claim
Patent Images

1. A light directing film, comprising:

  • a first major surface; and

    a microstructured second major surface comprising a plurality of linear prisms extending along a third direction different than first and second directions, the microstructured second major surface having at least two periodic microstructured patterns, a first of the at least two periodic microstructured patterns being arranged along a first direction with a first period, a second of the at least two periodic microstructured patterns being arranged along a second direction with a second period, the second direction being different from the first direction.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×