Abstract: A light emitting element according to an embodiment includes a first electrode, a second electrode overlapping the first electrode, an emission layer disposed between the first electrode and the second electrode, and an electron transport region disposed between the emission layer and the second electrode, wherein the electron transport region includes a thermal acid generator (TAG). A method of manufacturing a light emitting element is also provided.

Abstract: A light-emitting display device comprises: a substrate including a plurality of pixel areas arranged in a first direction and a second direction intersecting the first direction; a first electrode on the substrate in each of the plurality of pixel areas; a plurality of pixels corresponding to the first electrode in each of the plurality of pixel areas; a pixel defining layer on the substrate having a pixel opening exposing the first electrode; a lens layer on the first electrode in the pixel opening, a thickness in a center of the lens layer being different from a thickness at an edge of the lens layer; a planarization layer on the lens layer in the pixel opening and having a flat surface facing away from the lens layer; a light emitting layer on the planarization layer; and a second electrode on the light emitting layer.

Abstract: A light-emitting display device comprises: a substrate including a plurality of pixel areas arranged in a first direction and a second direction intersecting the first direction; a first electrode on the substrate in each of the plurality of pixel areas; a plurality of pixels corresponding to the first electrode in each of the plurality of pixel areas; a pixel defining layer on the substrate having a pixel opening exposing the first electrode; a lens layer on the first electrode in the pixel opening, a thickness in a center of the lens layer being different from a thickness at an edge of the lens layer; a planarization layer on the lens layer in the pixel opening and having a flat surface facing away from the lens layer; a light emitting layer on the planarization layer; and a second electrode on the light emitting layer.

Abstract: An organic light emitting display includes a substrate, a first electrode, a first insulating layer, a second insulating layer, an organic layer and a second electrode. The first electrode is on the substrate. The first insulating layer is on the substrate including the first electrode, and an opening is defined in the first insulating layer to expose the first electrode. The second insulating layer is on the first insulating layer, where a width of the first insulating layer is larger than that of the first insulating layer. The organic layer is on the first electrode in the opening. The second electrode is on the organic layer and the second insulating layer.

Abstract: An organic light emitting display is disclosed. In one aspect, the display includes a substrate, thin film transistors disposed on the substrate, first, second, and third pixel definition layers disposed on the thin film transistors, respectively having openings, and respectively having first, second, and third heights different from each other, and first, second, and third organic light emitting devices disposed in the openings of the first, second, and third pixel definition layers and connected to the thin film transistors, respectively. The first, second, and third pixel definition layers are spaced apart from each other, the first, second, and third organic light emitting devices have different thicknesses from each other, and the first, second, and third organic light emitting devices have thicknesses respectively corresponding to the first, second, and third heights of the first, second, and third pixel definition layers.

Abstract: An organic light emitting display is disclosed. In one aspect, the display includes a substrate, thin film transistors disposed on the substrate, first, second, and third pixel definition layers disposed on the thin film transistors, respectively having openings, and respectively having first, second, and third heights different from each other, and first, second, and third organic light emitting devices disposed in the openings of the first, second, and third pixel definition layers and connected to the thin film transistors, respectively. The first, second, and third pixel definition layers are spaced apart from each other, the first, second, and third organic light emitting devices have different thicknesses from each other, and the first, second, and third organic light emitting devices have thicknesses respectively corresponding to the first, second, and third heights of the first, second, and third pixel definition layers.