Lg Display Co., Ltd.

Sangkyoung Moon

EunJung Park

SeHee Lee

Kwansoo Kim

Sangdae Kim

Sungil Bae

Dongil Choi

Eunjung Park

Disclosed is an organic light emitting display device that comprises a first light emitting unit between a first electrode and a second electrode, the first light emitting unit including a first hole transporting layer and a first light emitting layer; and a second light emitting unit between the first light emitting unit and the second electrode, the second light emitting unit including a second hole transporting layer and a second light emitting layer that emits a light of the same color as a light emitted by the first light emitting layer. An increase in driving voltage caused by a shift of an emission zone in the first light emitting layer or the second light emitting layer by prolonged driving is minimized which solves a problem of increased power consumption and improves the lifetime of the organic light emitting display device.

Organic light emitting display device

An organic light emitting display (OLED) device, and a method of manufacturing the OLED device are discussed. The OLED device according to one embodiment includes a substrate; a first pixel electrode, a second pixel electrode, and a third pixel electrode formed on the substrate; a first bank layer and a second bank layer formed on the substrate; and a first organic light emitting layer, a second organic light emitting layer, and a third organic light emitting layer formed on the first pixel electrode, the second pixel electrode, and the third pixel electrode, respectively. The first organic light emitting layer overlaps the second organic light emitting layer on the first bank layer.

Organic light emitting display device and method for manufacturing the same

Growing community of inventors

Ulsan, South Korea

Sangkyoung Moon