RGBWW (aka RGBCCT or RGBCW) comes with cool & warm white temperature LEDs. Marketing states instead of standard 16M colors (2^8^3) that is now allows over 1T colors (2^8^5). Some even come with only a cool or only a warm white LED.
I don’t understand though, RGB can mix to form different temperatures of white on its own.
Televisions/computers/phones only use RGB (or BGR).
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LEDs for lighting need to be bright. In these conditions, you need a bright white light.
Simple math says red + green + blue gives you white light. But that’s just one white light’s worth of brightness. Okay, add another full white LED to get 2 white light intensity. Why not add a 3rd one to get more?
The downside is that the white light drowns out the saturation of color. The color isn’t as deep.
Certain TVs like the LG OLED panels also use a WRGB pixel arrangement to increase brightness. One of the downsides as mentioned before is that the colors are not as saturated.
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