Patent ID: 11885999
Assignee: 3M INNOVATIVE PROPERTIES COMPANY
Field: Optics (Instruments)
Classification: CPC G | IPC F  G

Claim 9:
10. The optical construction of claim 1, wherein the reflective polarizer further comprises a second outer layer opposite the first outer layer and co-extruded with the plurality of polymeric layers and the first outer layer, the plurality of polymeric layers disposed between the first and second outer layers and comprising a plurality of first polymeric layers spaced apart along a thickness direction of the reflective polarizer from a plurality of second polymeric layers by one or more middle layers, each of the pluralities of first and second polymeric layers numbering at least 100 in total, each of the first and second polymeric layers having an average thickness of less than about 350 nm, each of the one or more middle layers having an average thickness of greater than about 500 nm.