Patent ID: 8670112

Claim:
A method for operating a test apparatus for an LED lamp, the method comprising: forming a self-holding circuit by switching on a first switching means such that an up and down shifter provided in a test apparatus for an LED lamp moves down; moving down and stopping the up and down shifter from a determined initial position to a measurement position; measuring a quality of the LED lamp equipped with the test apparatus for the LED lamp, wherein the quality of the LED lamp includes at least one selected from among illumination, chromaticity, a color coordinate, and a color temperature of the LED lamp; releasing the self-holding circuit by switching on a second switching means such that the up and down shifter moves up; and moving up the up and down shifter from the measurement position to the determined initial position, wherein in moving down and stopping the up and down shifter, the up and down shifter moves down from the determined initial position to the measurement position in which the up and down shifter contacts with a socket of the LED lamp, and then the up and down shifter stops.