It'd be immensely helpful to point out which parts you don't think are true, so I can then link specific info to prove my points, to save me the hassle of having to link everything below like I have done in this instance;
- Neopixel being Adafruit propert
NeoPixels are “intelligent” full-color RGB LEDs that can be controlled and chained from a single microcontroller pin. This guide presents an overview of NeoPixel products, along with tips for building and powering projects of all shapes and sizes.
learn.adafruit.com
-Violet LEDS
3W Violet 410-420nm LED components - Quality chips perfect for homemade Actinic reef lighting - 3 Year Warranty - UK Stock with Next day delivery
futureeden.co.uk
UltraViolet LEDs that can be used in the creation of string blades (pixels strips are different tech) *Very dangerous also for eye*
- Run time of in hilt LEDs being longer is a well established fact in FX saber community, and easily checkable with basic maths and relevant formulas. Also in hilt LEDs being less bright than a pixel blade, is also well established.
I've added two screenshots (I could find more info and examples easily), from the Open Source Saber FB group. Fredrik is the creator of the Teensy/Proffie boards