Patent ID: 7920303

Claim:
A scanning device, comprising: a housing having a horizontal plane and a sloped plane connected to the horizontal plane to form a connecting section; a chassis disposed in the housing and moved along a moving direction; a main LED light source having a length extending in a longitudinal direction substantially perpendicular to the moving direction and having one end close to the connecting section, wherein the main LED light source provides a main light ray to illuminate the horizontal plane, and comprises: a first circuit board mounted on the chassis; and a plurality of first LEDs mounted on the first circuit board; and an auxiliary LED light source, comprising: a second circuit board mounted on the chassis; and a second LED, mounted on the second circuit board and disposed near the one end of the main LED light source, for providing an auxiliary light ray to illuminate the connecting section, wherein the first LEDs and the second LED are arranged in parallel in the moving direction.