Patent ID: 8778809

Claim:
A method of manufacturing a device, comprising: forming a first layer over a substrate by a first evaporation, wherein the first evaporation is performed in a chamber while a first evaporation source of the first evaporation is moved; forming a second layer over the substrate by a second evaporation, wherein the second evaporation is performed in the chamber while a second evaporation source of the second evaporation is moved; and forming a third layer over the substrate by a third evaporation, wherein the third evaporation is performed in the chamber while a third evaporation source of the third evaporation is moved, wherein at least one of the first evaporation source, the second evaporation source, and the third evaporation source includes a first material and a second material, wherein a first direction in which a first material is flown out is different from a second direction in which a second material is flown out, and wherein the first direction is a direction substantially perpendicular to a surface of the substrate.