Patent ID: 8366505

Claim:
A packaging method of an organic light emitting diode (OLED), comprising: providing a substrate, the substrate having the OLED device formed thereon; and forming at least one protection layer on the substrate, so as to cover a peripheral sidewall of the OLED device entirely; wherein the step of forming the protection layer comprises: forming an organic layer on the substrate, wherein the organic layer is not covering a sidewall of the OLED device; forming a metal layer on the organic layer, so as to at least covers a sidewall of the OLED device and is in direct contact with the sidewall of the OLED device; and performing an oxidation treatment, so as to oxidize a portion of the metal layer to form a metal oxide layer, wherein the metal layer is located between the organic layer and the metal oxide layer, and a sidewall and a top surface of the organic layer are covered by the metal layer and the metal oxide layer.