US 8,556,489 B2 · LED backlight module with air convection space

Abstract

Disclosed herein is an LED backlight module, which includes a metallic plate, a metallic sidewall, a connecting portion, a light guide and an LED ribbon. The metallic sidewall is substantially perpendicular to the metallic plate and located beside a side edge of the metallic plate. The metallic side-plate has a lower edge extending downwards to a position beneath a lower surface of the metallic plate. The connecting portion extends in a direction towards the side edge of the metallic plate from the lower edge of the metallic sidewall, and is further connected to the side edge of the metallic plate. The light guide is disposed above the metallic plate, and the LED ribbon for emitting a light into the light guide is disposed on the metallic sidewall.

Claims10

Dependent claims

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.

3 more elements

Dependencies are inferred from the claim text.

LED backlight module with air convection space

Life of this patent

LED backlight module with air convection space

Life of this patent

Abstract

Claims10