Projection type liquid crystal display device

A projection type liquid crystal display device comprising:

• a light source;
• illumination optics having a function of irradiating a plane to be irradiated with light emitted by said light source;
• liquid crystal display elements modulating light;
• and
• projection optics for projecting light exiting from said liquid crystal display elements;
• wherein said illumination optics include at least an elliptic mirror and a spherical mirror, and said illumination optics include further a first lens array and a second lens array, in which a plurality of lenses are arranged perpendicularly to an optical axis, from the light source side;
• and a condenser lens for irradiating said liquid crystal display elements with light after exit from said second lens array with a high efficiency, and wherein at least one of said lenses constituting said second lens array disposed on the side of said liquid crystal display elements in said illumination optics are rectangular and at least one lens thereof has an optical axis, which is not at the center of a rectangular shape.

A projection type liquid crystal display device comprising:

• a light source;
• illumination optics having a function of irradiating a plane to be irradiated with light emitted by said light source;
• liquid crystal display elements modulating light;
• and
• projection optics for projecting light exiting from said liquid crystal display elements;
• wherein said illumination optics include at least an elliptic mirror and a spherical mirror, and said illumination optics include further a first lens array and a second lens array, in which a plurality of lenses are arranged perpendicularly to an optical axis, from the light source side;
• and a condenser lens for irradiating said liquid crystal display elements with light after exit from said second lens array with a high efficiency, wherein said condenser lens has non-spherical shape close to a plane at a central portion close to an optical axis.

A projection type liquid crystal display device including a light source, illumination optics that irradiate a plane with light emitted by the light source, liquid crystal display elements which modulate the light, and projection optics that project the light exiting from the liquid crystal display elements, wherein:

• the illumination optics provide at least one ellipse mirror, a first lens array having a plurality of lenses disposed perpendicularly on an optical axis from the light source side, a second lens array, and a condenser lens for irradiating the liquid crystal display elements with the light after exiting from the second lens array with a high efficiency;
• each of the lenses constituting the first lens array disposed on the light source side of the illumination optics has a rectangular shape;
• and
• at least one lens of which an optical axis is not present on a center of the rectangular shape is provided.

A projection type liquid crystal display device including a light source, illumination optics which irradiate a plane with light emitted by the light source, liquid crystal display elements which modulate the light emitted by the light source, projection optics which project the light exiting from the liquid crystal display elements, wherein:

• the illumination optics provide at least one ellipse mirror, one spherical mirror, a first lens array having a plurality of lenses disposed perpendicularly on an optical axis from the light source side, a second lens array, a condenser lens for irradiating the liquid crystal display elements with the light after exiting from the second lends array with a high efficiency;
• wherein each of the lenses of the second lens array has a rectangular shape;
• and
• the optical axis of the lens is not positioned on center of the rectangular shape.