Patent ID: 7334935

Claim:
A light positioning frame for a back light module, the light positioning frame comprising: a fixed frame having an assembly frame which is composed of an outer frame, a top frame extending from a side of the outer frame to have a L shaped cross section, a receiving space enclosed by the outer frame and the top frame, at least one slot defined through a top face of the top frame communicating with the receiving space and a first shoulder formed on the top frame under the at least one slot; and a mask having a base, a light source cap portion extending from a free side of the base and an extension extending from a free side of the light source cap portion extending into the receiving space so as to be supported by the first shoulder such that engagement between the fixed frame and the mask is finished, whereby a light source received in the mask is securely sandwiched between the fixed frame and the mask and light from the light source is dimmed by the top frame.