10-01-2022, 09:04 PM
Only blue LEDs emit blue light. The color of the LED is the color of light it emits. It's not just a white light with a colored lens.
Can you guess why red LEDs were invented in the early 60s, with amber and green coming years later, and blue only appearing in the 90s? It has to do with miniaturization.
Can you guess why red LEDs were invented in the early 60s, with amber and green coming years later, and blue only appearing in the 90s? It has to do with miniaturization.
