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US 2003/0223044 A1Published application
Light valve projection system
AssigneeKoninklijke Philips Electronics N.V.
InventorPeter J. Janssen
Life of this patent
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Abstract
An optical apparatus comprises a reflective liquid crystal (LC) panel, and an optical device. The optical device forms an image at an image plane located between the optical device and a projection lens. The image is substantially free of Seidel aberrations.
Claims20
An optical apparatus, comprising:
- a reflective liquid crystal panel;
- and
- an optical device, which forms an image which is substantially free of Seidel aberrations
- at an image plane located between said optical device and a projection lens.
1 more element
An optical apparatus, comprising:
- a reflective liquid crystal panel;
- and
- a Dyson relay.
Dependencies are inferred from the claim text.