US Patent 11906758 Multiview backlight, display, and method employing an optical diffuser

A multiview backlight and display employ diffusion of directional light beams to provide an image of color regions of a color-tailored multibeam element having a size comparable to a size of the color-tailored multibeam element. The multiview backlight includes an array of color-tailored multibeam elements configured to provide the directional light beams and an optical diffuser configured to spread out directional light beams to provide the color region image. The multiview display includes an array of the color-tailored multibeam elements and the optical diffuser. The multiview display further includes an array of light valves configured to modulate the directional light beams as a multiview image.