有機 ゆうき発光 はっこうダイオードで
yūkihakkōdaiōdode

Noun
Da Copula

て-form: Used to connect clauses, make requests, or chain actions of 有機発光ダイオード

1. Organic light-emitting diode with/by means of.; Using organic light-emitting diodes.

Te-Form
Electronics