DEVICE FOR GENERATION OF PICTURE ON LARGE SCREEN Russian patent published in 1997 - IPC

FIELD: information displays. SUBSTANCE: device has matrix of emitting indicators, each of which has optical system which has serial circuit of phase screen and collector lens or raster. Gaps between indicators are eliminated by means of non-focal raster systems or cylindrical or prism raster systems along perimeter of emitting surface. EFFECT: increased quality of picture, elimination of dark lines between indicators, improved angular characteristics of beam pattern of output light, increased color uniformity in each cell, decreased mosaic effect. 3 cl, 5 dwg