APPARATUS COMPRISING A LIGHT GUIDE PLATE WITH FEATURES AND METHODS FOR USING THE SAME TO DIRECT LIGHT

APPARATUS COMPRISING A LIGHT GUIDE PLATE WITH FEATURES AND METHODS FOR USING THE SAME TO DIRECT LIGHT

Apparatus can comprise a light source and a light guide plate. The light guide plate can comprise a plurality of features within an interior of the light guide plate. A feature of the plurality of features can comprise a first refractive index that is different from a refractive index of the light g...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Li, Shenping, Leslie, Patrick Scott, Moll, Johannes, Ungaro, Craig John Mancusi, Masters, Leonard Thomas
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF
HEATING
LIGHTING
MECHANICAL ENGINEERING
STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR
WEAPONS
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Beschreibung
Zusammenfassung:Apparatus can comprise a light source and a light guide plate. The light guide plate can comprise a plurality of features within an interior of the light guide plate. A feature of the plurality of features can comprise a first refractive index that is different from a refractive index of the light guide plate. A spacing between a pair of adjacent features of the plurality of features can be from about 20 micrometers to about 200 micrometers. The apparatus can be used to direct light out of the light guide plate with a peak radiance oriented from 0° to 30° from a direction normal to the first major surface of the light guide plate. Methods of making the apparatus can comprise emitting a burst of pulses from a laser. Methods can comprise focusing the burst of pulses into a line focus within the light guide plate.