Mirror with built-in display
First Claim
Patent Images
1. A polarizing mirror for viewing purposes having:
- a first plane reflecting light of a first kind of polarization to a viewing side, the mirror passing light of a second kind of polarization anda foil on a non-viewing side of said mirror, said foil being orientated at a known angle with respect to said first kind of polarization; and
display device, at its non-viewing side, which display device, during use, provides light of the second kind of polarization, the polarizing mirror having on the non viewing side at least partly at least one absorbing layer, wherein said foil and said absorbing layer comprise a retarder layer causing rotation of said light over a known number of degrees.
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Abstract
A mirror device (1) which can be simultaneously used for display purposes, based on e.g. an LCD display (5) with a polarizing mirror (2) placed in front of it. When the surface area occupied by the display is smaller than the surface area of the mirror, the smaller display can be easily recognized at the front of the mirror. This is masked by introducing absorbing polarizers (30, 40).
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Citations
12 Claims
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1. A polarizing mirror for viewing purposes having:
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a first plane reflecting light of a first kind of polarization to a viewing side, the mirror passing light of a second kind of polarization and a foil on a non-viewing side of said mirror, said foil being orientated at a known angle with respect to said first kind of polarization; and display device, at its non-viewing side, which display device, during use, provides light of the second kind of polarization, the polarizing mirror having on the non viewing side at least partly at least one absorbing layer, wherein said foil and said absorbing layer comprise a retarder layer causing rotation of said light over a known number of degrees. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification