Optical Element Comprising Restrained Asymmetrical Diffuser
The present invention provides an optical element having an optical film, the optical element comprising a support frame having a shaft therein, the support frame being provided around a perimeter of the optical element and the optical film having slots on a periphery thereon, the periphery of the o...
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Main Author | |
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Format | Patent |
Language | English French German |
Published |
11.03.2009
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Subjects | |
Online Access | Get full text |
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Summary: | The present invention provides an optical element having an optical film, the optical element comprising a support frame having a shaft therein, the support frame being provided around a perimeter of the optical element and the optical film having slots on a periphery thereon, the periphery of the optical film being provided on the support frame. The invention further provides a pin provided in each of the slots and protruding into the support frame and slidable on the shaft by a controlled tensile force and a spring mechanism that is slidable on the shaft for providing the controlled tensile force to the optical film, wherein the optical film is an asymmetric diffuser. |
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Bibliography: | Application Number: EP20080161472 |