Tech-Led Blog

UV LEDs

  • 450 nm Blue LEDs: Balancing Intensity and Efficiency in Inspection Lighting

    In industrial inspection and machine vision systems, high-power 450nm LED sources have become a key element for providing intense blue illumination. This “royal blue” wavelength sits at the cusp of the visible spectrum between violet and green, offering high-energy photons for enhanced contrast without veering into ultraviolet UV light. These high power LEDs provide intense…

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  • 405 nm Violet (UV-A) LED Wavelength for Fluorescence & Optical Detection

    405nm violet led

    405 nm LED technology sits at the border of visible violet and ultraviolet light (UV-A), effectively functioning as an ultraviolet LED in the UV-A range, making it a unique member of the UV & Near-UV LEDs (235–420 nm) category. This near-ultraviolet wavelength offers distinct advantages for industrial optical systems. From fluorescence microscopy and machine vision…

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