Illumination device
AssigneeSony Group Corporation
InventorsGen Yonezawa, Masa Miyao
Life of this patent
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Abstract
An illumination device according to the present technology includes a light source unit including a light emitting unit that emits light, a phase modulation unit that performs spatial light phase modulation on incident light from the light source unit, and a control unit that causes light from the light source unit to be incident on a plurality of areas into which a phase modulation surface of the phase modulation unit is divided at different timings for each of the areas, and starts modulation driving at a timing before a light incident period for each of the areas.
Claims15
An illumination device, comprising:
- a light source unit including a light emitting unit that emits light;
- a phase modulation unit that performs spatial light phase modulation on incident light from the light source unit;
- and
- a control unit that causes light from the light source unit to be incident on a plurality of areas into which a phase modulation surface of the phase modulation unit is divided at different timings for each of the areas, and starts modulation driving at a timing before a light incident period for each of the areas,
- wherein the light source unit includes a plurality of light emitting units,
- wherein light from a first one of the light emitting units is incident on a first area of the phase modulation surface during a first light incident period,
- wherein light from a second one of the light emitting units is incident on a second area of the phase modulation surface during a second light incident period.
An illumination device, comprising:
- a light source unit including a light emitting unit that emits light;
- a phase modulation unit that performs spatial light phase modulation on incident light from the light source unit;
- and
- a control unit that causes light from the light source unit to be incident on a plurality of areas into which a phase modulation surface of the phase modulation unit is divided at different timings for each of the areas, and starts modulation driving at a timing before a light incident period for each of the areas, wherein
- the illumination device is configured as a projector device, including:
- an intensity modulation unit that performs spatial light intensity modulation on a reproduced image by the phase modulation unit;
- and
- a projection unit that projects the reproduced image on a target surface, the reproduced image being subjected to spatial light intensity modulation by the intensity modulation unit.
Dependencies are inferred from the claim text.