Light source module with light emitting diodes

Details Light source module with light emitting diodes Light source module with light emitting diodes

2009-10-28

2011-11-15

Husar, Stephen F (Department: 2875)

Illumination

Edge lighted panel

Light guide

C362S249040, C362S613000, C362S615000, C362S628000, C362S612000

Reexamination Certificate

active

08057087

ABSTRACT:
An exemplary light source module includes a flexible printed circuit board (FPCB), a number of light emitting diodes (LEDs), and a light guide plate (LGP). The LEDs are mounted on the PCB, which is capable of switching each of the LEDs on and off. The LGP includes a light input surface and a number of light output surfaces. The light input surface is opposite to the LEDs. The LEDs face the light input surfaces, and at least one light guide structure is defined at the light input surface so that a majority of light beams from each LED pass substantially perpendicularly through a corresponding portion of the at least one light guide structure and exit from a corresponding light output surface.

REFERENCES:
patent: 6979112 (2005-12-01), Yu et al.
patent: 7637646 (2009-12-01), Byun et al.
patent: 7789549 (2010-09-01), Tanabe
patent: 2005/0013127 (2005-01-01), Tsai
patent: 2010/0135043 (2010-06-01), Wang et al.

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