Recently, the high-power E-star 3535 and the low-power PLCC 3014 of APT Electronics (Guangzhou) Limited (APTE) have experienced an actual test conducted by a third-party certification institution for up to 6,000 hours; both of the two products are comply with the U.S. "Energy Star" LM-80 standard. It is reported that the luminous flux maintenance rate of PLCC 3014 under test conditions at 55 ℃ for 6000 hours is 100.7%, while its luminous flux maintenance rate under the test conditions at 105 ℃ for 6000 hours is 98.6%. However, the luminous flux m...