oled olecranon process • olefiant · · · Info · Definitions · Synonyms · Characters · · oled · · Text Latin · · Script 4 · · Length 1 · · Syllables Definitions · · · (noun) a self-luminous diode (it glows when an electrical field is applied to the electrodes) that does not require backlighting or diffusers. Synonyms: organic light-emitting diode, OLED. · · Noun Definition 1 Synonyms · · · organic light-emitting diode · · Synonym 1 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 l latin small letter l U+006C o latin small letter o U+006F