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US 2022/0103791 A1Published application
Projection system
AssigneeCarl Zeiss Jena GmbH
InventorMarco PRETORIUS
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Abstract
A projection system can include a first modulator including a plurality of pixels in a first modulator surface, a second modulator including a plurality of pixels in a second modulator surface, and an intermediate imaging optical unit, which images the first modulator surface onto the second modulator surface, wherein the intermediate imaging optical unit includes a first lens having a convex side and wherein the convex side of the first lens is a free-form surface, which is not spherical and not rotationally symmetric and does not exhibit any mirror symmetry.
Claims13
A projection system, comprising:
- a first modulator comprising a plurality of pixels in a first modulator surface;
- a second modulator comprising a plurality of pixels in a second modulator surface;
- and
- an intermediate imaging optical unit, which images the first modulator surface onto the second modulator surface,
- wherein the intermediate imaging optical unit comprises a first lens having a convex side, and
- wherein the convex side of the first lens comprises a free-form surface, which is not spherical and not rotationally symmetric and does not exhibit any mirror symmetry.
3 more elements
Dependencies are inferred from the claim text.