Patent ID: 8632240

Claim:
A fixed structure of modularized light guide plate, comprising a back board, a display panel, a light source, an optical module arranged between the back board and the display panel for receiving the light of the light source, and an aluminum extrusion, said aluminum extrusion is located on the upper part of said back board and is fixed on said back board, wherein the bottom of said optical module is provided with a protrusion; the position of said aluminum extrusion corresponding to said protrusion is provided with a groove, and said protrusion is clamped and fixed into said groove; the longitudinal section of said protrusion is a trapezoid with wide outer end and narrow inner end, the longitudinal section of said groove is a trapezoid with wide bottom and narrow opening; said protrusion and said groove are buckled together by the method of tracking and assembling in order to clamp and fix said optical module on said aluminum extrusion; said optical module is provided with two side end surfaces; the two ends of said optical module at the position of said side end surfaces are fixed on said back board, respectively.