Letters that make OLED
o, d, e, l are letters that make 'OLED'
coled, doled, holed, poled, toled, voled, soled are words created by adding a letter to 'OLED'
1 possible definitions for 'OLED'
Under this definition, oled is a noun and has the following properties:
organic light-emitting diode has the same meaning as OLED
'OLED' can be a type of light-emitting diode, LED.