Patent Number: 6,332,684

Title: Projection type color image display apparatus

Abstract: A projection type color image display apparatus of the present invention includes: a light source section for generating white light beams; a first fly-eye lens array comprising a plurality of lenses for forming a plurality of secondary light source image spots of the light source section; a second fly-eye lens array comprising at least the same number of lenses as the first fly-eye lens array, provided near a position where the plurality of secondary light source image spots are formed by the first fly-eye lens array; a microlens array comprising a plurality of microlenses, wherein the light beams which have passed through the respective lenses of the second fly-eye lens array are superimposed on one another on the microlens array; a single image display device comprising a plurality of color pixels arranged in a predetermined arrangement for modulating the light beams from the microlenses; a color separator provided in a predetermined position in an optical path from the light source section to the microlens array for color-separating the white light beams into R, G and B beams; and a projection lens for projecting the light beams output from the image display device.

Inventors: Shibatani; Takashi (Nara-ken, JP), Nakanishi; Hiroshi (Kyoto, JP), Takahara; Ikuo (Nara-ken, JP), Hamada; Hiroshi (Tochigi-ken, JP)

Assignee: Sharp Kabushiki Kaisha

International Classification: H04N 9/31 (20060101); G03B 021/14 ()

Expiration Date: 12/25/2018