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Each LED (any LED) generates a single wavelength of light - this is a fundamental property as a result of the way that LEDs use semiconductors to make light. No
by rkangel 4y ago
Each LED (any LED) generates a single wavelength of light - this is a fundamental property as a result of the way that LEDs use semiconductors to make light. Normal screens use a Red, Green and a Blue and then mix them to make colours in the visible light spectrum.
For this process they need a wavelength outside the visible light spectrum (UV), and so they need a completely separate LED as the normal R, G and B are all in the visible spectrum.
- planede 4y agoIs this an OLED display? For non-OLED I would have expected just a separate UV backlight and making the pixels transparent to UV.
- nicoburns 4y ago> Normal screens use a Red, Green and a Blue and then mix them to make colours in the visible light spectrum. I believe most screens use a white backlight and then each pixel filters this to red, green or blue. OLED and micro led screens use a separate set of leds per pixel.