Illuminating device

Details Illuminating device Illuminating device

2008-09-30

2010-12-07

Lee, Y My Quach (Department: 2885)

Illumination

Illuminated scale or dial

Edge illuminated modifier or light rod/pipe

C362S551000, C362S555000

Reexamination Certificate

active

07845808

ABSTRACT:
An exemplary illuminating device includes a light guide member and a light source. The light guide member includes an annular main body and at least one light incident portion extending from and optically coupled to the annular main body. The light source is optically coupled to the at least one light incident portion. The annular main body has a light emitting surface. The annular main body has a plurality of micro protrusions formed on the light emitting surface.

REFERENCES:
patent: 6474859 (2002-11-01), Lepley et al.
patent: 6969834 (2005-11-01), Kaji et al.
patent: 7147356 (2006-12-01), Tamaki
patent: 7458708 (2008-12-01), Sheng
patent: 2004/0066659 (2004-04-01), Mezei et al.
patent: 2007/0018185 (2007-01-01), Hung
patent: 2009/0021957 (2009-01-01), Wu
patent: 1395059 (2003-02-01), None
patent: 2002-196150 (2002-07-01), None

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