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, Kotchick, Keith M, Gardiner, Mark E, O'Neill, Mark B, Marushin, Patrick H, Epstein, Kenneth A, Watson, Philip E
Format: Patent
Sprache:eng
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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.