Patent ID: 9329430
Filing Date: 2016-05-03
CPC Classification: G02F,G09G

Claim Text:
1. A dual panel display, comprising: an image-generating panel; at least one contrast-enhancing panel; a backlight, positioned such that light from the backlight illuminates the the contrast-enhancing panel, and light transmitted through the contrast-enhancing panel illuminates the image-generating panel; a controller, the controller receiving input image data and sending control signals to the backlight to emit a low resolution version of the input image data; a polarization-preserving diffuser between the contrast-enhancing panel and the image-generating panel, said polarization-preserving diffuser comprising a holographic diffuser; and a cross BEF collimator between the backlight and the contrast-enhancing panel; a reflective polarizer between the backlight and the contrast-enhancing panel, wherein the backlight, the cross BEF collimator, the reflective polarizer, the contrast-enhancing panel, the polarization-preserving diffuser and the image-generating panel are arranged in this order.