PRISM OPTICAL SYSTEM, AND IMAGE DISPLAY APPARATUS AND IMAGING APPARATUS INCORPORATING THE PRISM OPTICAL SYSTEM
First Claim
Patent Images
1. A prism optical system comprising at least four optical surfaces, wherein:
- at least two of the four optical surfaces are rotationally asymmetric surfaces, andone of two surfaces on which light is incident or from which light exits out is capable of one transmission and two internal reflections.
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Abstract
The invention provides a prism optical system comprising at least four optical surfaces, each having optical functions. At least two of the four optical surfaces are each a rotationally asymmetric surface, and one of two surfaces on which light is incident or from which light exits out is capable of one transmission and two internal reflections.
19 Citations
13 Claims
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1. A prism optical system comprising at least four optical surfaces, wherein:
at least two of the four optical surfaces are rotationally asymmetric surfaces, and one of two surfaces on which light is incident or from which light exits out is capable of one transmission and two internal reflections. - View Dependent Claims (4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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2. A prism optical system comprising at least five optical surfaces, wherein:
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at least two of the five optical surfaces are rotationally asymmetric surfaces, and one of two surfaces on which light is incident or from which light exits out is capable of one transmission and two internal reflections. - View Dependent Claims (3)
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Specification