My OG gray Philips lasted more than a decade constantly on. It was still working at the end but I noticed the yellow remote phosphor plastic panels were disinte

My OG gray Philips lasted more than a decade constantly on. It was still working at the end but I noticed the yellow remote phosphor plastic panels were disintegrating with a web of cracks. Underneath, the plastic surrounding the LEDs had turned brown: the polymers had photodegraded.