Air-gap optical structure having the air gap defined by a...
BEAM SHAPING DEVICE FOR SHAPING THE CROSS-SECTION OF A LIGHT...
COLLIMATOR FOR READY FITTING TO AN OPTICAL DEVICE WITH...
Color display device having single illuminating system
Color display device using separate diffracted light and...
Color display device using separate diffracted light and...
Color display device using separate diffracted light and...
Color-splitting optical element and an optical system...
Compacted beam path expander, a method for expanding beam path a
Device for observing a plurality of fields of view by means of a
Dichroic prism and projection display apparatus
Dichroic prism and projection display apparatus
Dichroic prism and projection display apparatus
Display apparatus
Display for a motor vehicle
Double pass polarization independent mixer and method using...
Electrical signal forming apparatus having image splitting prism
Focus-error detection using prism-enhanced spot size monitoring
Geometrical beam splitter and a sensor for multi-element...
High efficiency light valve projection system