TWO-IN-ONE TRANSLUCENT AND COLORED FILM

TWO-IN-ONE TRANSLUCENT AND COLORED FILM

A two-in-one colored and translucent film structure suitable for use in backlit displays having a multi-point illumination source. The film structure utilizes a colored layer and a light-diffusing layer that reduces variations in the amount of light transmitted through different areas of a backlit s...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: LIU, XIANG, REEKMANS, STEVEN, RAMSAY, MICHAEL
Format: Patent
Sprache:eng ; pol
Schlagworte:
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Beschreibung
Zusammenfassung:A two-in-one colored and translucent film structure suitable for use in backlit displays having a multi-point illumination source. The film structure utilizes a colored layer and a light-diffusing layer that reduces variations in the amount of light transmitted through different areas of a backlit sign. The light-diffusing layer includes light-diffusing particles dispersed in a transparent matrix material, and scatters light transmitted therethrough. The light-diffusing particles have an index of refraction that is different than an index of refraction of the matrix material.