A method for reducing blue light hazards of white light-emitting diodes
A technology of light-emitting diodes and blue light hazards, which is applied in the field of semiconductor lighting, can solve the problems that blue light damage cannot be effectively reduced, reduce the color rendering of white light in lighting, and reduce the color reproduction of blue light, so as to reduce blue light damage, reduce blue light hazards, and improve lighting. Biosecurity Effects
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[0042] The present invention will be further elaborated below through specific embodiments in conjunction with the accompanying drawings.
[0043]The method for reducing the blue light hazard of white light emitting diodes in this embodiment includes the following steps:
[0044] 1) Light-emitting diode LEDs with five colors of purple light, sky blue light, green light, yellow light and red light are used, and the corresponding peak wavelengths are 385, 467, 524, 564 and 632nm respectively;
[0045] 2) According to the peak wavelength λ P and spectral half-width Δλ 0.5 The relationship to calculate the spectral half-width Δλ of a monochromatic LED 0.5 :
[0046]
[0047] The corresponding spectral half-widths of the light-emitting diode LEDs of the five colors of purple light, sky blue light, green light, yellow light and red light are 10.1, 23.0, 32.0, 44.4 and 17.4nm, respectively, such as figure 2 shown;
[0048] 3) According to the monochromatic LED spectrum model...
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