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Semiconductor light-emitting diodes (LEDs) have been widely used in indicator lights, signal lights, instrument displays, mobile phone backlights and automotive light sources, and white LED technology continues to develop, making LEDs increasingly widely used in lighting. In the past there were no comprehensive national or industry standards for LED testing, so production practice could only rely on relative parameters. Manufacturers, users and research institutions disagreed considerably on this, which greatly affected the development of the domestic LED industry.
NTEK's photoelectric laboratory tests LED luminous flux, luminous efficacy, chromaticity coordinates, colour rendering index, colour temperature, light distribution curves and electrical parameters according to international and domestic standards, supporting product development and quality control.
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