An assembled device of a light module and a liquid crystal panel is composed of a liquid crystal panel whose bottom surface is provided with a light module which includes a circuit board on which are welded at least more than one blue light chip, which is next to a red light chip, as a blue light emitting source, and more than one red light chip as a red light emitting source. One method obtains a location of the wireless device and retrieves the discount from memory. The first conveyor defines the staging area and is configured to move a load in a first direction.