It all started when the Russian scientist Oleg Vladimirovich Losev found a connection in the carbide of silicon and the P-N-transition in 1923, but the first indicator LEDs appeared only in 1968, though they could not shine very weakly and replace the usual incandescent lamp, but in the 90s in the 90s, but in the 90s in the 90s Scientists still managed to create an LED, the brightness of which could already envy any bulb existing at that time. The first application of the invention found itself in ordinary flashlights and this is not surprising — with small consumption of energy, the lamps fully replaced their competitors, it was beneficial to both the consumer and the manufacturer. The benefit consisted in saving for all parties.
Brightness of which
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