Multi-zone backlight, multiview display, and method

A multi-zone multiview display comprising:

• a broad-angle backlight configured selectively illuminate one or more zones of a plurality of zones of the multi-zone multiview display with broad-angle emitted light;
• a multiview backlight configured to selectively illuminate one or more zones of the zone plurality with directional emitted light comprising directional light beams having directions corresponding to different view directions of a multiview image;
• and
• an array of light valves configured to modulate the broad-angle emitted light to provide a 2D image and to modulate the directional emitted light to provide the multiview image,
• wherein the 2D image is provided in a zone selectively illuminated by the broad-angle emitted light and the multiview image is provided in a zone selectively illuminated by the directional emitted light.

A method of operating a multi-zone backlight, the method comprising:

• providing broad-angle emitted light using a broad-angle backlight having a first zone and a second zone, each of the first and second zones of the broad-angle backlight independently providing the broad-angle emitted light when activated;
• and
• providing directional emitted light using a multiview backlight divided into a first zone and a second zone, each of the first and second zones of the multiview backlight independently providing the directional emitted light comprising a plurality of directional light beams having directions corresponding to different view directions of a multiview image when activated,
• wherein the first and second zones of the multiview backlight correspond to and are aligned with respective ones of the first and second zones of the broad-angle backlight.