US Patent 11691407 Display module manufacturing apparatus and display module manufacturing method

A display module manufacturing apparatus includes a stage on which a display module is disposed, a heater disposed on the stage, and configured to heat a first area of the display module, and wherein the heater includes a plurality of side surfaces and a contact surface, and a first bump controller detachably coupled to one side surface among the plurality of side surfaces and including a first bottom surface facing an upper surface of the stage. The contact surface is closer to the upper surface of the stage than the first bottom surface.