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  • Labsphere Signs LED Measurement Deal

Photonics Spectra
Oct 2011
Labsphere Inc. of North Sutton, N.H., a Halma company, has signed a cooperative agreement with National Lighting Test Centre in Shanghai, China. The partnership was facilitated by Labsphere distributor Shanghai Alpha Lighting Equipment Testing Ltd. Under the agreement, Labsphere will supply the center with its thermal/optical/electrical LED measurement systems (TOCS LED). The center will apply its patent (Measurement Devices for LED Forward Voltage Drop and Junction Temperature Curve, Patent No. ZL2009 2 0212653.0) to the system to correlate voltage drop with junction temperature.

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