QILSTE product 3528 white light product officially passed the NVLAP-certified UL laboratory (UL Verification Services (Guangzhou) Co., Ltd.) LM-80 6000-hour test on March 22 (test completion date).
      The test data shows that the attenuation of 3528 white light products after 6000 hours: 97.9%@55℃, 96.9%@70℃, 98.5%@85℃, Δu'v' is 0.0027—0.0038. According to the life estimation method stipulated in IES TM-21-11, the estimated life reaches 44000-55000 hours.
       The LM-80 test mainly focuses on the components of the light source, including LED packages, arrays and modules, and calculates the life of the lamp based on this data. The U.S. Department of Energy recommends the LM-80 test as a purchase standard. In addition, this test report is also authorized as the Energy Star standard. Energy Star is increasingly becoming a necessary condition for product sales in the United States. The third-party NVLAP, the full name of the National Voluntary Laboratory Accreditation Program (National Laboratory Voluntary Accreditation Program), is a national laboratory accreditation agency officially authorized by the United States and managed by the National Institute of Standards and Technology under the NIST Federal Department of Commerce.