Patent ID: 6386709
Filing Date: 2002-05-14
Classification: H04N

Abstract:
A projection display unit comprising:a light source for projecting an image; a reflecting mirror for reflecting a light pencil emitted from said light source; a first multilens array for dividing a light pencil gathered by said reflecting mirror into a plurality of light pencils; a second multilens array for forming an image of light pencil emitted from said first multilens array; a polarization conversion element for converting light pencils in an irregular polarization state emitted from said second multilens array into linearly polarized light; a condenser having positive power for superposing the light pencils provided through said second multilens array; a collimator lens having positive power for correcting the angle of a light beam; a display element for forming an image by electric modulation; a projection lens for enlarging and projecting the image formed on said display element; and a correction lens being disposed between said condenser and said collimator lens for correcting a light pencil incident on said display element.