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![Cree XLamp Long-Term Lumen Maintenance - Cree, Inc.]()
www.cree.comDurham, NC 27703. USA Tel: +1.919.313.5300 www.cree.com/xlamp. CLD. -A. P28 Rev. 2B. ApplicAtion note cree® Xlamp® leD long-term lumen Maintenance.瀏覽：975 -
![Understanding the difference between LED rated life and ...]()
www.ledsmagazine.comThe rated life of an LED light source is different from the lumen-maintenance life, and is an essential reliability value that is required by luminaire makers and ...瀏覽：1473
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日期：2024-08-15
In LED lighting, Lumen maintenance is the luminous flux output remaining (expressed as a percentage of the initial output) at any selected elapsed operating ......
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日期：2024-08-13
relationship between lifetime and lumen maintenance—determining an appropriate lamp lumen depreciation (LLD) factor for LED products is difficult. As a result ......
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日期：2024-08-19
This fact sheet discusses lumen depreciation, measurement of LED useful life, and the features to look for in evaluating LED products. Lumen Depreciation....
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日期：2024-08-16
LED Lumen Maintenance and Warranty Label Changes. Frequently Asked Questions. Table of Contents. 1) Is the lumen maintenance percentage a lifetime ......
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日期：2024-08-13
an overview on the GE Lighting Solutions approach to lumen maintenance product ... IESNA TM-21-11 (Lumen Depreciation Lifetime Estimation Method for LED ......
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日期：2024-08-14
To measure the lumen depreciation, an LED is tested under normal operating conditions and the lumen output of the lamp is measured at 6,000 hours....
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日期：2024-08-16
Useful Life Technical Brief. 2. Useful Life: Understanding LM-80, Lumen. Maintenance, and LED Fixture Lifetime. As with key photometric measurements, such ......
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