Color liquid crystal projector device

A liquid crystal projector comprising:

• a light source for generating light;
• a liquid crystal display device for modulating the light, the liquid crystal display device including a liquid crystal panel having a plurality of pixel apertures and a microlens array which is provided in a path of light to be incident on the liquid crystal panel and which has a plurality of microlenses, the plurality of microlenses causing two light components to enter the plurality of pixel apertures, wherein the microlens array is located so that the pixel apertures each correspond to a respective pair of microlenses adjacent to each other, and the two light components incident on the pair of microlenses both enter the corresponding one pixel aperture;
• a projection optical system for projecting light modulated by the liquid crystal display device onto a screen;
• and
• an incidence optical system for dividing the light into at least the two light components in an equal wavelength range and causing the two light components to be incident on the liquid crystal display device from different directions.

A liquid crystal projector comprising:

• a light source for generating light;
• three liquid crystal display devices each for modulating the light, the three liquid crystal display devices each including a liquid crystal panel having a plurality of pixel apertures;
• a projection optical system for projecting light modulated by each of the three liquid crystal display devices onto a screen;
• an incidence optical system for dividing the light into at least two light components in an equal wavelength range and causing the two light components to be incident on each of the three liquid display devices from different directions;
• wherein the two light components incident on each of the three liquid crystal display devices enter the plurality of pixel apertures;
• and
• the three liquid crystal display devices are provided respectively for the three different wavelength ranges, and the incidence optical system further includes an optical member for dividing each of the at least two light components for projection into three color light components respectively in the three wavelength ranges and causes the light components in each wavelength range to be incident on the corresponding one of the three liquid crystal display devices from different directions;
• wherein the three liquid crystal display devices each include a microlens array including a plurality of microlenses, and each of the microlenses corresponds to at least two pixel apertures, and collects and causes the two light components in the same wavelength range to enter the at least two pixel apertures corresponding thereto.

A liquid crystal projector comprising:

• a light source for generating light;
• three liquid crystal display devices each for modulating the light, the three liquid crystal display devices including a liquid crystal panel having a plurality of pixel apertures;
• a projection optical system for projecting light modulated by the three liquid crystal devices onto a screen;
• an incidence optical system for dividing the light into at least two light components in an equal wavelength range and causing the two light components to be incident on the three liquid crystal display devices from different directions;
• wherein the two light components incident on the three liquid crystal display devices enter the plurality of pixel apertures;
• and
• the three liquid crystal display devices are provided respectively for the three different wavelength ranges, and the incidence optical system further includes an optical member for dividing each of the at least two light components for projection into three color light components respectively in the three wavelength ranges and causes the light components in each wavelength range to be incident on the corresponding one of the three liquid crystal display devices from different directions;
• wherein the incidence optical system includes a fly's eye lens having a plurality of convex lenses, and in each of the three liquid crystal display devices, the fly's eye lens is located so that the optical axes of the plurality of convex lenses are arranged in a pattern similar to a pattern in which centers of the plurality of pixel apertures are arranged.

A liquid crystal projector comprising:

• a light source for generating light;
• three liquid crystal display devices each for modulating the light, the three liquid crystal display devices each including a liquid crystal panel having a plurality of pixel apertures;
• a projection optical system for projecting light modulated by each of the three liquid crystal display devices onto a screen;
• an incidence optical system for dividing the light into at least two light components in an equal wavelength range and causing the two light components to be incident on each of the three liquid crystal display devices from different directions;
• wherein the two light components incident on each of the three liquid crystal display devices enter the plurality of pixel apertures;
• and
• the three liquid crystal display devices are provided respectively for the three different wavelength ranges, and the incidence optical system further includes an optical member for dividing each of the at least two light components for projection into three color light components respectively in the three wavelength ranges and causes the light components in each wavelength range to be incident on the corresponding one of the three liquid crystal display devices from different directions;
• wherein the optical member of the incidence optical system includes a paraboloidal mirror for reflecting and collecting the light from the light source, the paraboloidal mirror includes a plurality of surfaces which are inclined towards the optical axis of the paraboloidal mirror more than a paraboloidal mirror having a shape which is used for reflecting and collimating the light from the light source, the surfaces being inclined towards the optical axis so as to cause principal rays of the light components reflected by the surfaces to be superimposed on each of the three liquid crystal display devices.

A liquid crystal projector comprising:

• a light source for generating light;
• three liquid crystal display devices each for modulating the light, the three liquid crystal display devices each including a liquid crystal panel having a plurality of pixel apertures;
• a projection optical system for projecting light modulated by each of the three liquid crystal display devices onto a screen;
• an incidence optical system for dividing the light into at least two light components in an equal wavelength range and causing the two light components to be incident on each of the three liquid crystal display devices from different directions;
• wherein the two light components incident on each of the three liquid crystal display devices enter the plurality of pixel apertures;
• and
• the three liquid crystal display devices are provided respectively for three different wavelength ranges, and the incidence optical system further includes an optical member for dividing each of the at least two light components for projection into three color light components respectively in the three wavelength ranges and causes the light components in each wavelength range to be incident on the corresponding one of the three liquid crystal display devices from different directions;
• wherein the incidence optical system includes a plurality of prisms, which are arranged so that light components transmitted through and refracted by the prisms are superimposed on each of the liquid crystal display devices.