Patent ID: 8388161

Claim:
A fixing mechanism for a backlight module, the backlight module comprising a back plate and an optical assembly, characterized in that: the fixing mechanism comprising a plurality of retaining posts and a plurality of retaining sheets, the retaining sheets being made of elastic materials, each of the retaining sheets having a retaining hole; the optical assembly disposing a plurality of through holes, the through holes corresponding to the retaining posts; and the retaining posts being disposed on the back plate and passing through the through holes of the optical assembly, the retaining hole of the retaining sheet engaged with the retaining post, and the retaining sheets being pressed upon the optical assembly; the retaining post disposing a first holding portion on an upper end thereof, the retaining sheet correspondingly disposing a second holding portion in the retaining hole, and the second holding portion being engaged with the first holding portion; the first holding portion of the retaining post being a groove, and the second holding portion of the retaining hole of the retaining sheet being a flange; or the first holding portion of the retaining post being a flange, and the second holding portion of the retaining hole of the retaining sheet being a groove.