Picture generation apparatus, projection apparatus, and vehicle
AssigneeYinwang Intelligent Technologies Co., Ltd.
InventorsShimao Li, Yunfei Yan, Yuchen Chen
Life of this patent
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Abstract
A picture generation apparatus includes at least a light source assembly, a spatial light modulation assembly, a beam adjustment assembly and a lens assembly. The light source assembly is configured to generate a first beam. The spatial light modulation assembly is configured to modulate the first beam to generate a picture beam. The lens assembly is configured to project the picture beam onto a projection surface to display a target picture. The beam adjustment assembly is disposed in the lens assembly or on an optical path between the light source assembly and the spatial light modulation assembly, and is configured to adjust a light amount of the first beam, to adjust brightness of the target picture.
Claims20
A picture generation apparatus comprising:
- a light source assembly configured to generate a light beam;
- a spatial light modulation assembly configured to modulate the light beam to generate a picture beam;
- a lens assembly configured to project the picture beam onto a projection surface to display a target picture;
- a light homogenizing assembly disposed on a first optical path between the light source assembly and the spatial light modulation assembly and configured to perform light homogenization on the light beam generated by the light source assembly;
- and
- a beam adjustment assembly disposed on a second or third optical path, and configured to adjust a light amount of the light beam to adjust brightness of the target picture,
- wherein the second optical path is between the light source assembly and the light homogenizing assembly, and
- wherein the third optical path is between the light homogenizing assembly and the spatial light modulation assembly.
A vehicle comprising:
- a picture generation apparatus comprising:
- a light source assembly configured to generate a light beam;
- a spatial light modulation assembly configured to modulate the light beam to generate a picture beam;
- a lens assembly configured to project the picture beam onto a projection surface to display a target picture;
- a light homogenizing assembly disposed on a first optical path between the light source assembly and the spatial light modulation assembly and configured to perform light homogenization on the light beam generated by the light source assembly;
- and
- a beam adjustment assembly disposed on a second or third optical path, and configured to adjust a light amount of the light beam to adjust brightness of the target picture,
- wherein the second optical path is between the light source assembly and the light homogenizing assembly, and
- wherein the third optical path is between the light homogenizing assembly and the spatial light modulation assembly.
A method for generating a picture, the method comprising:
- modulating a light beam to generate a picture beam;
- projecting the picture beam onto a projection surface to display a target picture;
- adjusting a light amount in a first or a second optical path of the light beam to adjust brightness of the target picture,
- wherein the first optical path is between a light source assembly and a light homogenizing assembly, and
- wherein the second optical path is between a light homogenizing assembly and a spatial light modulation assembly;
- detecting brightness of an environment in which the projection surface is located;
- and
- using the detected brightness of the environment in adjusting the light amount in the first or the second optical path of the light beam.
Dependencies are inferred from the claim text.