(57) ABSTRACT A heat mirror film containing visible light-transmissive and infrared
reflective film comprising a birefringent dielectric multilayer support that reflects at least 50 …

Methods and apparatuses are provided for the manufacture of coextruded polymeric
multilayer optical films. The mul tilayer optical films have an ordered arrangement of layers …

A backlight that includes a front reflector and a back reflector that form a hollow light
recycling cavity including an output surface is disclosed. The backlight further includes one …

G02B5/3041—Polarisers, ie arrangements capable of producing a definite output
polarisation state from an unpolarised input state in the form of a thin sheet or foil, eg …

BACKGROUND A conventional automotive Safety glazing is formed from a laminate made
of two rigid layers, typically glass, and an anti-lacerative mechanical energy absorbing …

An optical imaging system including a wide-angle Cartesian polarizing beam splitter, light
valve illumination optics having an f/# § 2.5, and at least one re? ective light valve. The …

A lens is formed from at least two sections or bodies that are shaped to mate with each other,
and a multilayer optical film is sandwiched between these two sections. Smooth surfaces of …

Articles including post-formed multilayer optical films with layers of at least one strain-
induced birefringent material, methods of manufacturing such articles by post-forming …

Methods and apparatuses are provided for the manufacture of coextruded polymeric
multilayer optical films. The mul tilayer optical films have an ordered arrangement of layers …

EP () 4 () 4 463 12/199 () EP 4Q1 551 6/1992 EP 5Q 1 () 55 9/1993 EP 592 284 9/1993 EP 8
() 2 () 34 1 ()/1997 JP Hej 6-4 1335 2/1994 VV () WO 95/27919 4/1995 VV () WO 95/173 () 3 …