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日期:2024-08-19
Discussion The accurate portrayal of LED product lifetime and reliability is important for consumers, manufacturers, and the lighting industry as a whole. It was not long ago that the default lifetime claim for an LED product was 100,000 hours, often with...
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日期:2024-08-14
I have a big shop with 400 watt metal halide light fixtures. There are currently 4 of them but I need 8-10 total. Of course, the problem with that is I would be burning 3200+ watts. :duh2: I've been looking into LED replacements, or converting some older ...
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日期:2024-08-14
Induction Lighting has a bulb life rating of up to 100,000 hours. (up to 22.5/12hr. days) HPS is rated for 20,000 hours. Induction Lighting has slow lumen depreciation (light loss) and can maintain up to 70% of original lumens for 60,000 hours or more. HP...
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日期:2024-08-17
Table 1: Bridgelux LED Array flux characteristics showing minimum “cold” lumen output as well the Typical “Hot” lumen output for each product. Figure 2: Simple block diagram of an LED Driver system Table 2: Bridgelux arrays now compare favourably with ......
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日期:2024-08-16
In LED lighting, Lumen maintenance is the luminous flux output remaining (
expressed as a percentage of the initial ......
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日期:2024-08-17
How is service life measured for LED systems? • Life and ... Bottom line: LED
service life and lumen depreciation metrics are ... For example, the figure at rights
shows three curves for luminaires with....
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日期:2024-08-13
the decrease in light until it exceeds 30%. LED manufacturers publish lumen
depreciation curves based on testing of....
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日期:2024-08-14
cree® Xlamp® leD long-term lumen Maintenance .... For LED lamps, lumen
maintenance is often shown as curves of relative lumen output over time for the
LED ......