Patent ID: 8552634

Claim:
An organic light-emitting display apparatus comprising: a substrate; a display portion on the substrate and comprising an organic light-emitting device on the substrate; a non-display portion being a peripheral region of the organic light-emitting device on the substrate; an encapsulation layer on the display portion and comprising at least a first encapsulation layer composed of an inorganic material and at least a second encapsulation layer composed of an organic material, the first and second encapsulation layers being alternately stacked on the display portion; and a light function layer directly contacting the display portion, the light function layer being separate from the encapsulation layer and arranged between the display portion and the encapsulation layer, the light function layer for reflecting ultraviolet light and having a thickness of less than 150 nm, wherein at least a portion of an end portion of the encapsulation layer which contacts the non-display portion of the substrate, comprises only the first encapsulation layer, wherein the light function layer is a single layer, and wherein the light function layer comprises a material selected from the group consisting of Alq3, benzophenone, photo acryl, BaF 2 , CsF, Na 5 Al 3 F 14 , KCl, and combinations thereof.