REFLECTIVE FILM
A LIGHT TRANSMISSIVE FILM HAVING A SMOOTH SURFACE AND A STRUCTURED SURFACE. THE STRUCTURED SURFACE HAS A SERIES OF TRIANGULAR PRISMS RUNNING PARALLEL OR CONCENTRIC TO ONE ANOTHER. A REFLECTOR IS PLACED ADJACENT TO THE SMOOTH SURFACE SO THAT LIGHT ENTERING THE FILM AT AN ANGLE WHICH IS CLOSE TO PARAL...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A LIGHT TRANSMISSIVE FILM HAVING A SMOOTH SURFACE AND A STRUCTURED SURFACE. THE STRUCTURED SURFACE HAS A SERIES OF TRIANGULAR PRISMS RUNNING PARALLEL OR CONCENTRIC TO ONE ANOTHER. A REFLECTOR IS PLACED ADJACENT TO THE SMOOTH SURFACE SO THAT LIGHT ENTERING THE FILM AT AN ANGLE WHICH IS CLOSE TO PARALLEL TO THE SMOOTH SURFACE WILL EMERGE FROM THE FILM AT A PREDETERMINED ANGLE WITH RESPECT TO THE INCOMING BEAM. A LIGHT FIXTURE UTILIZING THE FILM IS ALSO DISCLOSED.(FIG 2) |
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