Patent ID: 9671092
Date: 2017-06-06
CPC Classifications: F21V,G02F

Claim:
1. A backlight module comprising: a rear shell, comprising a back plate and a side plate, wherein the side plate is disposed at the periphery of the back plate and defines a receiving space for accommodating an optical component set of the backlight module, the side plate is formed with an assembly hole; a middle frame, disposed engaging with the side plate and restricting the optical component set accommodated in the receiving space, wherein the middle frame is formed with an engagement portion extending toward the assembly hole; an engagement fitting, disposed in the receiving space and adjacent to the side plate, wherein engagement fitting comprises a buckling member and an engagement member penetrating through the assembly hole, the buckling member is configured for buckling with the optical component set, the engagement member is configured for engaging with the engagement portion of the middle frame, and thereby achieving tight engagement of the rear shell, the middle frame and the optical component set; wherein a protruding portion of the engagement member penetrating through the assembly hole and engaged with engagement portion is formed with a guiding structure, to thereby allow the protruding portion to withdraw into the assembly hole when the engagement portion presses the guiding structure during assembly and to eject from the assembly hole to engage with the engagement portion when the assembly is completed; the engagement fitting is fixed on the back plate by screwing, riveting, adhering or engagement.