RAILWAY TRAFFIC LIGHT Russian patent published in 2014 - IPC B61L5/18 

FIELD: physics, signalling.

SUBSTANCE: invention relates to light signalling. The railway traffic light comprises an array of LED emitters mounted on its surface, said emitters being equipped with a separate or common optical system in form of aspheric lenses. The inner side of the lenses has recesses for fitting light emitters. Between the lenses and the LED emitters, there is an antiglare compound a refraction index n≥1.4 and which contains a mixture of silicone and absorbent nanoparticles with size of 0.1-1 mcm.

EFFECT: increased noise-immunity of the traffic light.

6 cl, 5 dwg