We developed an LED edgelit frontlight with a large view cone, high contrast in both emissive and reflective modes, and compatibility with fully laminated module architectures. A high volume manufacturing ready glass-based frontlight lightguide technology is introduced, which includes unidirectionally reflective light turning microstructures having high reflectivity towards the display and low reflectivity towards the viewer. / I. BitaSID 2012 DIGEST • 905 ISSN 0097-966X/12/4302-0905-$1.00

Front‐of‐screen (FOS) display components are key to optimizing optical performance in displays as well as user experiences.

In this paper we present the aspects of designing a seamless display using tiled Photoluminescent LCD PL‐LCD imaging elements. The method described combines a single LED backlight source, projection and beam shaping optics, LC pixel block and a photoluminescent screen, all of which make up a single element, which then in principle, allows tiling of arbitrary large displays using typical LCDs. Nevertheless, spatial variation in brightness, optical distortion and liquid crystal effects impose system design limitations and also cause front face appearance problems. All of these are reported and possible solutions described.