A frontlit touch panel for use with a reflective light valve, comprising a
front light guide having at least one light input face that supplies
light to the guide, a viewing face, a light output face opposite the
viewing face, and at least one component of a touch-sensitive transducer,
the light output face having a light extraction layer thereon having a
substantially flat light exit face and containing buried reflective
facets that extract supplied light from the guide through the light exit
face. The touch panel can be used with a light source, reflective light
valve and suitable control electronics to form a compact, efficient
illuminated touch panel display assembly.