Patent ID: 8582054
Filing Date: 2013-11-12
Classification: G02B,G02F

Abstract:
1. A display comprising: a backlight including a plurality of groups of light sources emitting a plurality of discrete colors of light; a liquid crystal panel comprising a plurality of pixels, each pixel having a plurality of regions, each region corresponding to one of the discrete colors emitted by the backlight; a lenslet array having a plurality of lenslets to focus light of a particular color emitted by the backlight onto the regions corresponding to the particular color; and a tapered light guide to guide the light from the backlight to the lenslet array, the tapered light guide positioned to emit light from a face of the tapered light guide to the lenslet array; wherein a focal length of the lenslets of the lenslet array is shorter at an end of the lenslet array that first receives the light from the tapered light guide.