Lg Display Co., Ltd.

Kwanghoon Shin

Joungwon Woo

An organic light-emitting display device comprises a substrate; a plurality of sub-pixels arranged in a first horizontal line and a second horizontal line on the substrate; at least one thin film transistor and a first electrode of an organic light-emitting diode connected to the thin film transistor, the at least one thin film transistor and the organic light-emitting diode being disposed in each of the plurality of sub-pixels; a first bank layer is disposed on the first electrode and exposing the first electrode; and a second bank layer disposed on the first bank layer and exposing the first bank layer and the first electrode, wherein the second bank layer is consecutively arranged in the first horizontal line and the second horizontal line and including a first bending portion at a boundary between the first horizontal line and the second horizontal line.

Hydrophobic and hydrophilic dual bank structures in organic light emitting display device

A display device includes a substrate including an emission area and a non-emission area; a circuit element layer formed on the substrate and having circuit elements disposed thereon; an overcoat layer covering the circuit element layer; an auxiliary electrode formed on the overcoat layer in the non-emission area and composed of multiple layers with a reflective layer in between; an electron transport layer covering the auxiliary electrode; and a cathode electrode formed on the electron transport layer, wherein the auxiliary electrode includes an electrode hole passing through the multiple layers, and the reflective layer includes at least one protrusion protruding toward inside from a sidewall of the electrode hole and contacting the cathode electrode.

Display device connecting cathode electrode and auxiliary electrode of light emitting element by using ion migration of anode electrode of light emitting element and manufacturing method of same

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Paju-si, South Korea

Kwanghoon Shin