Patent ID: 6219111
Filing Date: 2001-04-17
Classification: G02B,G02F,H04N

Abstract:
A projection-type liquid crystal display apparatus comprising:a first lens array, including a plurality of lens elements arranged in two dimensions, for splitting an incident single ray bundle into a plurality of split ray bundles by the lens elements and sending out the split ray bundles and condensing the split ray bundles, at least one of said plurality of lens elements of the first lens array having a vertex that is decentered from the lens element perimeter;a second lens array including a plurality of lens elements arranged in two dimensions in correspondence with the lens elements of the first lens array and sending out the split ray bundles incident thereon through the lens elements of the first lens array in such a direction that the split ray bundles overlap or are superimposed on one another;a color separation means for separating the ray bundles sent out from the second lens array into rays of a plurality of primary colors and sending out the color rays at angles different from one another; anda liquid crystal panel including: a liquid crystal device having pixels corresponding to the primary colors and modulating the color rays incident on the pixels; and condensing means each provided for every group of the pixels and condensing the color rays sent out from the color separation means and incident at the angles different from one another and having the color rays enter the pixels of the corresponding colors.