Patent ID: 11909948
Assignee: LEIA INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 18:
19. A method of multiview backlight operation, the method comprising:
guiding light in a propagation direction along a length of a light guide as guided light having a predetermined collimation factor; and
reflecting a portion of the guided light out of the light guide using an array of reflective multibeam elements to provide emitted light comprising directional light beams having different directions corresponding to respective different view directions of a multiview display, a reflective multibeam element of the reflective multibeam element array comprising a plurality of reflective sub-elements,
a reflective multibeam element of the reflective multibeam element array having an overall size that is between twenty-five percent and two hundred percent of a size of a light valve in an array of light valves of the multiview display.