BACKLIGHT MODULE HAVING A PRISM STRUCTURE

A backlight module for illuminating a display or keypad is described. The backlight module may be provided in an electronic device along with a light source. In one embodiment, the backlight module comprises: a light diffuser; a light guide located directly below the light diffuser; a prism structur...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PURDY MICHAEL LORNE, LEE CHOONGHO, LEE HSIN CHIN
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:	A backlight module for illuminating a display or keypad is described. The backlight module may be provided in an electronic device along with a light source. In one embodiment, the backlight module comprises: a light diffuser; a light guide located directly below the light diffuser; a prism structure located directly below the light guide, the prism structure having a plurality of prisms extending towards the light guide, wherein an air gap is defined between the prism structure and the light guide; and a reflector located directly below the prism structure.