Patent ID: 8085364
Filing Date: 2011-12-27
Classification: G02B,G02F

Abstract:
1. A display apparatus, comprising: a backlight 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 colors emitted by the backlight; a focusing element that is a lenslet array having a plurality of lenslets configured to focus light of a particular color emitted by the backlight onto a particular pixel corresponding to the particular color; a tapered light-guide to guide light from the backlight to the focusing element, the tapered light-guide positioned to eject light from a face of the tapered light-guide to the focusing element; and a pitch of the lenslet array is coarser at an end that first receives the light from the tapered light-guide.