Lg Display Co., Ltd.

YuRi Koh

Jihyun Lee

KiSoub Yang

ARyoung Lee

HwangUn Seo

Woochan Kim

Moonky Yee

ChangWook Han

Disclosed is an organic light emitting device, (OLED) comprising a substrate on which a driving transistor is formed, a bank formed on the substrate providing a boundary for a pixel region, a first electrode formed on the substrate and electrically connected with the driving transistor, the first electrode comprising a first and second cross sectional area both oriented in a direction perpendicular to a vertical direction of the substrate, the first area adjacent to the bank, the second area surrounded by the first area, an organic layer formed on the first electrode within the boundary provided by the bank, and a second electrode formed on the organic layer, wherein during operation of the OLED a first electric field between the first area of the first electrode and the second electrode is greater than a second electric field between the second area of the first electrode and the second electrode.

Organic light emitting device

An organic light emitting device comprises a first substrate, a first electrode formed on the first substrate, a hole transporting layer formed on the first electrode, a light emitting layer formed on the hole transporting layer, a second electrode formed on the light emitting layer; and a mixture layer formed between the hole transporting layer and the light emitting layer, where the mixture layer including a hole transporting functioning material, wherein the hole transporting functioning material and the light emitting functioning material have concentration gradient respectively.

Organic light emitting device and manufacturing method thereof

A method of fabricating an OLED display, includes sequentially forming a TFT array, first electrodes, and a first related layer on a first substrate, respectively forming heat-generating elements on second and third substrates, forming a red organic emission pattern on the second substrate, and forming a green organic emission pattern on the third substrate, aligning and attaching the first and second substrates, applying a voltage to heat-generating elements to transfer the red organic emission pattern to red pixel regions, thereby forming red organic emission layers, aligning and attaching the first and third substrates, applying a voltage to the heat-generating elements to transfer the green organic emission pattern to green pixel regions, thereby forming green organic emission layers, entirely depositing a blue organic emission material on the first substrate, thereby forming a blue organic emission layer, and sequentially forming a second related layer and a second electrode on the first substrate.

Method of fabricating organic light emitting diode display

Growing community of inventors

Seoul, South Korea

YuRi Koh