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US 2019/0246079 A1Published application
Projection display unit
AssigneeSony Corporation
InventorTakahiro MOCHIZUKI
Life of this patent
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Abstract
A projection display unit that is provided with a light source; a diffraction device that light from the light source enters; a spatial light modulation device that at least a portion of zero-order light, and first-order diffracted light of the diffraction device enter; and a projection optical system that light passing through the spatial light modulation device enters.
Claims14
A projection display unit comprising:
- a light source;
- a diffraction device that light from the light source enters;
- a spatial light modulation device that at least a portion of zero-order light, and first-order diffracted light of the diffraction device enter;
- and
- a projection optical system that light passing through the spatial light modulation device enters.
2 more elements
Dependencies are inferred from the claim text.