Light guide plate with v-shaped grooves and backlight module...

Details Light guide plate with v-shaped grooves and backlight module... Light guide plate with v-shaped grooves and backlight module...

2007-01-02

2007-01-02

Tso, Laura K. (Department: 2875)

Illumination

Edge lighted panel

Light guide

C362S623000

Reexamination Certificate

active

11120528

ABSTRACT:
A light guide plate (10) of a preferred embodiment includes: an incident surface (12) for receiving incident light beams from a corresponding light source; an emitting surface (16); and a bottom surface (11) opposite to the emitting surface. The bottom surface defines a plurality of V-shaped grooves. A side (17) of each V-shaped groove is a curved surface, and at least one part of the curved surface is wave-shaped. The light guide plate can improve the utilization of light beams, reduce wastage of light beams and configure the uniformity of luminance.

REFERENCES:
patent: 6845212 (2005-01-01), Gardiner et al.
patent: 7046905 (2006-05-01), Gardiner et al.
patent: 2002/0051355 (2002-05-01), Egawa et al.
patent: 2002/0080598 (2002-06-01), Parker et al.
patent: 2003/0090888 (2003-05-01), Mizutani et al.
patent: 2004-111384 (2004-04-01), None

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