Also worth a mention that practically any LED bulb (or tube) will run off high voltage DC. Some bulbs start to light up at only a few tens of volts. Others might stay dark until you're past 100 VDC. Generally most of them will get to full brightness around 150 VDC or higher. This makes sense given that practically all LED bulbs use a full-wave bridge rectifier. The circuitry uses the high-voltage rectified DC to supply power to the emitters. You get DC on the output of the bridge whether the input is AC or DC. I actually used this to my advantage once to get rid of flicker in LED tubes. I put a full-wave bridge rectifier and large capacitor inside the fluorescent fixture I was converting to LED. This gave a nice, steady ~165VDC which drove the LED tubes without flicker. There wasn't room for a larger filter cap inside the tubes.+
You can get filament led bulbs that are DC powered,
I have several in different voltages that run off various power sources (batteries 2S~4S or powerbanks)
Those bulbs using a capacitor-fed full-wave bridge which both rectifies AC, and limits current, won't light at all on DC.