TRANSPARENT OPTICAL ELEMENT WITH DUAL LIGHT-POLARIZING EFFECT
First Claim
Patent Images
1. A transparent optical element with dual light-polarizing effect, the element having an optical surface and comprising:
- at least first and second films each arranged in parallel with said optical surface,the first film forming a linear light-polarizer in a first portion of the optical surface; and
the second film forming a retarder plate in a second portion of the optical surface;
wherein within the optical surface, the second portion is smaller than the first portion and is contained within said first portion, and a retarder efficiency of the second film is higher in the second portion with respect to the first portion out of said second portion.
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Abstract
A transparent optical element with dual light-polarizing effect comprises a first film forming a linear light-polarizer in a first surface portion of the element, and a second film forming a retarder plate within a second surface portion. The second surface portion is contained in the first surface portion. Such element may form an eyeglass adapted for providing stereoscopic vision by light polarization selection in the second surface portion, while providing protection against excessive light intensity in the first surface portion.
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Citations
36 Claims
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1. A transparent optical element with dual light-polarizing effect, the element having an optical surface and comprising:
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at least first and second films each arranged in parallel with said optical surface, the first film forming a linear light-polarizer in a first portion of the optical surface; and the second film forming a retarder plate in a second portion of the optical surface; wherein within the optical surface, the second portion is smaller than the first portion and is contained within said first portion, and a retarder efficiency of the second film is higher in the second portion with respect to the first portion out of said second portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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Specification