Patent ID: 7911556

Claim:
A backlight module having replaceable lamp module comprising: a frame comprising a bottom surface and four sides; a light-guiding plate disposed over the bottom surface among four sides of the frame, wherein one side of the light-guiding plate and a corresponding side of the frame form a sliding groove; a replaceable lamp module, set in and slidably along the sliding groove, comprising: a lamp, having two electrodes respectively on two opposite ends of the lamp; a first bushing and a second bushing, enveloping the two electrodes respectively; and a reflecting plate, carrying the first and second bushings and enclosing a part of the lamp, wherein a surface of the reflecting plate supports the lamp; and a positioning and protecting mechanism, comprising: a protecting device, protruded downwards from the surface of the reflecting plate and set on two opposite sides of the reflecting plate; and a positioning device, set on the frame and corresponding to the position of the protecting device, wherein the protecting device and the positioning device are coupled to each other for positioning the replaceable lamp module to a predetermined position in the sliding groove while inserting the replaceable lamp module.