COMPACT LED LIGHTING UNIT

A compact LED lighting unit, (1) for camera flash applications, comprising a reflective housing having (14) having a reflective base (15) and an open top (51); an LED (10) mounted within the reflective housing (14) and a beam shaping foil stack (12) provided over the open top of the housing (14); wh...

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Bibliographische Detailangaben
Hauptverfasser:	SANDER-JO MARIA JOHANNA HELENA, HEUTS JACOBUS JOHANNES FRANCISCUS GERARDUS, CROMPVOETS FLORIS MARIA HERMANSZ, ZAHN FRITZ HELMUT, DEKKERS WOUTER, VDOVIN OLEXANDR VALENTYNOVYCH, KLEIJNEN CHRISTIAN, JAGT HENDRIK JOHANNES BOUDEWIJN
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING LIGHTING MECHANICAL ENGINEERING PICTORIAL COMMUNICATION, e.g. TELEVISION STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR WEAPONS
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Beschreibung
Zusammenfassung:	A compact LED lighting unit, (1) for camera flash applications, comprising a reflective housing having (14) having a reflective base (15) and an open top (51); an LED (10) mounted within the reflective housing (14) and a beam shaping foil stack (12) provided over the open top of the housing (14); wherein, the foil stack (12) comprises first and second microstructured sheets (50, 52), each having an array of elongate locally parallel ridges (41) facing away from the LED, wherein the ridges of one sheet locally cross the ridges of the other sheet by an angle in the range 30 to 150 degrees.