Patent ID: 11921299
Assignee: 3M INNOVATIVE PROPERTIES COMPANY
Field: Optics (Instruments)
Classification: CPC G  B | IPC B  G

Claim 7:
8. The display system of claim 7, wherein, for the first light incident at the first predetermined angle from about 30 degrees to about 50 degrees with respect to the normal, overlaps between the FWHMs of the blue, green and red emission spectra and the respective FWHMs of the blue, green and red reflective bands are at least about 40% of the respective FWHMs of the blue, green and red emission spectra, and wherein, for a third light incident on the reflective polarizer at an angle that deviates from the first predetermined angle by at most about 5 degrees, a change in each of the overlaps between the FWHMs of the blue, green and red emission spectra and the respective FWHMs of the blue, green and red reflective bands is from about 5% to about 50%.