Patent ID: 7604365

Claim:
A direct type backlight module, comprising: a housing having a base plate and a peripheral side plate extending from the base plate; two reflective sheets, and each reflective sheet defining a plurality of through holes; a supporting member positioned between the reflective sheets, the supporting member comprising a platform and a platform support, the platform including a top surface supporting the reflective sheets and a bottom surface opposite to the top surface, and the platform support extending from the bottom surface of the platform and fixed to the base plate of the housing; a plurality of light sources arranged on or above the base plate, each of the light sources including a light emitting portion extending through a corresponding one of the through holes of the reflective sheets; and an optical sheet arranged on the side plate above the light sources, wherein the supporting member further comprises a supporting column extending from the top surface of the supporting member, and the supporting column supports the optical sheet; wherein the supporting member comprises at least one hook extending from the top surface thereof, each reflective sheet defines at least one hook hole engagingly receiving the at least one hook such that each reflective sheet is fixed to the supporting member.