Projector

A projector, comprising:

• three optical modulators that modulate respectively red light, green light, and blue light;
• a color-synthetic optical system which synthesizes the light modulated by the three optical modulators;
• and
• a projection optical system which projects the light synthesized by the color-synthetic optical system,
• the color-synthetic optical system including a first reflection film that reflects the green light, and a second reflection film that reflects the red light,
• the first reflection film and the second reflection film being arranged in the shape of an X character, and
• a wavelength in which a reflectance factor of the first reflection film comes to 50% being shorter than a wavelength in which a reflectance factor of the second reflection film comes to 50%.

A projector, comprising:

• three optical modulators that modulate respectively red light, green light, and blue light;
• a color-synthetic optical system that synthesizes the light modulated by the three optical modulators;
• and
• a projection optical system which projects the light synthesized by the color-synthetic optical system,
• the color-synthetic optical system including a first reflection film that reflects the green light, and a second reflection film that reflects the blue light,
• the first reflection film and the second reflection film being arranged in the shape of an X character,
• reflectance characteristic of the first reflection film and reflectance characteristic of the second reflection film being partially superimposed in a predetermined wavelength area, and
• in the optical path for green light or blue light, a filter that removes the light in the predetermined wavelength area being provided.

A projector, comprising:

• three optical modulators that modulate respectively red light, green light, and blue light;
• a color-synthetic optical system that synthesizes the light modulated by the three optical modulators;
• and
• a projection optical system that projects the light synthesized by the color-synthetic optical system,
• the color-synthetic optical system including a first reflection film that reflects the green light, and a second reflection film that reflects the red light,
• the first reflection film and the second reflection film being arranged in the shape of an X character,
• reflectance characteristic of the first reflection film and reflectance characteristic of the second reflection film being partially superimposed in a predetermined wavelength area, and
• in the optical path for green light or red light, a filter that removes the light in the predetermined wavelength area being provided.