Patent ID: 8777685

Claim:
An apparatus for assembling a backlight module, wherein the backlight module comprises a first surface, a second surface and a plurality of side surfaces, and the side surfaces are located between the first surface and the second surface, and the backlight module includes a plurality of screwing holes, characterized in that: the apparatus comprises: a pallet including at least one opening; at least one support pillar disposed through the opening; and a retractable control device configured to control the at least one support pillar to protrude with respect to the pallet for supporting the second surface of the backlight module when screwing screws on the first surface and the side surfaces of the backlight module; wherein, when the backlight module is flipped over for screwing the screws on the second surface, the retractable control device is configured to control the at least one support pillar to retract with respect to the pallet, and the retractable control device comprises: a compression element configured to control the at least one support pillar to protrude with respect to the pallet, wherein the compression element is a trapezoid block; and an elastic element configured to control the at least one support pillar to retract with respect to the pallet, wherein the elastic element is a spring structure and disposed between the pallet and a position limit bar.