Light emitting unit and back plate thereof

Details Light emitting unit and back plate thereof Light emitting unit and back plate thereof

2007-09-21

2010-02-23

Sawhney, Hargobind S (Department: 2885)

Illumination

Edge lighted panel

Housing

C362S033000, C362S097100, C349S058000

Reexamination Certificate

active

07665879

ABSTRACT:
A back plate of a light emitting unit includes a bottom plate, a plurality of first extruding elements, a plurality of second extruding elements and a plurality of connecting elements. The first extruding elements are respectively disposed on two opposite edges of the bottom plate, and the second extruding elements are respectively disposed on the other two opposite edges of the bottom plate. Each of the connecting elements connects the corresponding first and second extruding elements. The first extruding elements, the second extruding elements and the connecting elements form a closed region.

REFERENCES:
patent: 3936968 (1976-02-01), Gilbert
patent: 4662092 (1987-05-01), Kim
patent: 4833803 (1989-05-01), Schwartz
patent: 5943801 (1999-08-01), Wilkinson
patent: 7178967 (2007-02-01), Kim
patent: 2003/0192220 (2003-10-01), Chang et al.

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