Hybrid lightguide backlight

Backlighting systems are disclosed, which include a lightguide with at least one light source optically connected to an edge of the lightguide for supplying light into its interior and a reflective cavity with at least one light source optically connected to the reflective cavity for supplying light...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LAMB DAVID J, GARDINER MARK E, KOTCHICK KEITH M, O'NEILL MARK B, MARUSHIN PATRICK H, WATSON PHILIP E, EPSTEIN KENNETH A
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:Backlighting systems are disclosed, which include a lightguide with at least one light source optically connected to an edge of the lightguide for supplying light into its interior and a reflective cavity with at least one light source optically connected to the reflective cavity for supplying light into its interior. The reflective cavity may include a first reflector and a second reflector and at least one source may be disposed at an edge of the reflective cavity. Alternatively, the reflective cavity may include a back reflector portion and light sources may be disposed at the back reflector portion.