Illumination apparatus

Details Illumination apparatus Illumination apparatus

2008-03-11

2008-03-11

O'Shea, Sandra (Department: 2875)

Illumination

Display backlight

Lcd backlight

Reexamination Certificate

active

11229761

ABSTRACT:
An illumination apparatus is disclosed in the invention. The illumination apparatus includes a cavity with a diffusion surface, a light source, a light-spreading device, and at least one optically-conditioning surface with a wavelike array formed thereon. The light-spreading device and the optically-conditioning surface spread the light generated by the light source. The light-spreading device includes a wing-shaped protrusion part, a light incident surface, a recess located away from the light incident surface, and an optically-conditioning surface including a wavelike array, wherein the wavelike array has a wavefront direction.

REFERENCES:
patent: 6582103 (2003-06-01), Popovich et al.
patent: 6598998 (2003-07-01), West et al.
patent: 6623150 (2003-09-01), Roller et al.
patent: 6752505 (2004-06-01), Parker et al.
patent: 7226196 (2007-06-01), Parker et al.
patent: 7246931 (2007-07-01), Hsieh et al.
patent: 1510482 (2004-07-01), None

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