https://cdn.sparkfun.com//assets/parts/8/0/3/7/11821-02.jpg https://cdn.sparkfun.com//assets/parts/8/0/3/7/11821-02.jpg I'm quite aware. LED normally refers to

https://cdn.sparkfun.com//assets/parts/8/0/3/7/11821-02.jpg https://cdn.sparkfun.com//assets/parts/8/0/3/7/11821-02.jpg I'm quite aware. LED normally refers to the packaged die, not the die itself when people are talking about it like this. Having the controller inside makes absolute sense, the alternative is running hundreds of rows of PWM from your driver chips out everywhere.