As for widely used of LED, such as LED displays, LED-TV, RayClouds has professional optical instruments and a series of integrated systems which conventional used to measure LED, LCD, OLED luminance, chromaticity, color temperature, chromaticity uniformity, contrast, color gamut, transmission, reflection and other optical items.
LED Test & Measurement Related Products 
+86 769-22667715 
sales@rayclouds.net
Floor 1&2, Building B, Dongguan Institute of Opto-electronics Peking University, No.17,Qinyuan Road, Songshan Lake, Dongguan City, Guangdong Province. China 
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