Sunlight is a major factor in the maintenance of the biological clock and the regulation of the circadian rhythm in all living organisms. On the other hand, this natural process is disturbed ...
Over the decade, the solid-state lighting sources based on white light-emitting diodes (LEDs) has improved to overtake incandescent and fluorescent lighting types because of many advantages such as ...
LEDs inherently produce monochromatic light. An excited electron decays back to the ground state, releasing its energy in the form of a photon. The wavelength of this photon is defined by the band ...
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