Projection device having dichroic prism and three self-luminous display devices

A projection device comprising:

• a dichroic prism having a first surface, a second surface, a third surface, and a fourth surface, and configured to emit combined image light from the fourth surface;
• a first self-luminous display device including a plurality of first light-emitting elements configured to emit light of a first wavelength, the first self-luminous display device being configured to use the light of the first wavelength to emit first image light to the first surface;
• a second self-luminous display device including a plurality of second light-emitting elements configured to emit light of a second wavelength, the second self-luminous display device being configured to use the light of the second wavelength to emit second image light to the second surface;
• a third self-luminous display device including a plurality of third light-emitting elements configured to emit light of a third wavelength, the third self-luminous display device being configured to use the light of the third wavelength to emit third image light to the third surface;
• and
• a projection optical system configured to project, onto a projection target, the combined image light emitted from the dichroic prism, wherein
• the dichroic prism includes a first dichroic film and a second dichroic film,
• the first dichroic film is configured to transmit the first image light and reflect the second image light to combine the first image light and the second image light,
• the second dichroic film is configured to transmit the first image light and reflect the third image light to combine the first image light and the third image light,
• image light obtained by combining the first image light, the second image light, and the third image light is emitted from the fourth surface, of the dichroic prism, facing the projection optical system,
• the first dichroic film is provided with a first light absorbing layer having a frame shape and configured to absorb peripheral light of the first image light and peripheral light of the second image light, and
• the second dichroic film is provided with a second light absorbing layer having a frame shape and configured to absorb peripheral light of the first image light and peripheral light of the third image light.

A projection device comprising:

• a dichroic prism having a first surface, a second surface, a third surface, and a fourth surface, and configured to emit combined image light from the fourth surface;
• a first self-luminous display device including a plurality of first light-emitting elements configured to emit light of a first wavelength, the first self-luminous display device being configured to use the light of the first wavelength to emit first image light to the first surface;
• a second self-luminous display device including a plurality of second light-emitting elements configured to emit light of a second wavelength, the second self-luminous display device being configured to use the light of the second wavelength to emit second image light to the second surface;
• a third self-luminous display device including a plurality of third light-emitting elements configured to emit light of a third wavelength, the third self-luminous display device being configured to use the light of the third wavelength to emit third image light to the third surface;
• a projection optical system configured to project, onto a projection target, the combined image light emitted from the dichroic prism;
• and
• a control unit configured to control the first self-luminous display device, the second self-luminous display device, and the third self-luminous display device, wherein
• the control unit controls light emission intensity of each of the plurality of light-emitting elements in each of the first self-luminous display device, the second self-luminous display device, and the third self-luminous display device, and
• light emission intensity of a plurality of outer peripheral side light-emitting elements, of the plurality of light-emitting elements, arranged in a frame shape on an outer peripheral side is greater than light emission intensity of a plurality of inner side light-emitting elements, of the plurality of light-emitting elements, arranged inside the plurality of outer peripheral side light-emitting elements.