Projection display unit

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;
• and
• a projection lens for enlarging and projecting the image formed on said display element,
• wherein the number of lens cells of said second multilens array is less than that of said first multilens array.

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;
• and
• a projection lens for enlarging and projecting the image formed on said display element,
• wherein said second multilens array has lens cells sized larger than those of said first multilens array.