Patent ID: 8556489

Claim:
An LED backlight module, comprising: a metallic plate having a side edge and a lower surface; a metallic sidewall adjacent to the side edge and substantially perpendicular to the metallic plate, wherein the metallic sidewall has a lower edge extending downwards to a position beneath the lower surface of the metallic plate for a distance of about 5 mm to about 30 mm; a connecting portion extending from the lower edge of the metallic sidewall and connected to the side edge of the metallic plate such that an air convection space is formed between the connecting portion and the metallic sidewall, wherein the air convection space has a width of about 5 mm to about 30 mm and a depth of about 5 mm to about 30 mm; a light guide having an incident surface and disposed on the metallic plate; and a light bar having a plurality of light emitting diodes for emitting light into the light incident surface, the light bar being disposed on the metallic sidewall.