Lg Display Co., Ltd.

JaeKi Lee

Seonghyun Kim

Changyong Gong

Jeongwon Lee

Jihoon Lee

Jonghoon Yeo

Hanhee Kim

YoungMu Oh

Suphil Kim

HoJin Ryu

An organic light emitting display device includes a substrate including a display area and a non-display area, an overcoat layer on the substrate, a plurality of first electrodes assigned to a plurality of sub-pixels and on the overcoat layer, a first bank in the display area and the non-display area and including a plurality of first openings exposing the plurality of first electrodes, a second bank on the first bank which is in the display area and the non-display area and including a plurality of second openings exposing the plurality of first electrodes, and an organic light emitting layer on the plurality of second openings, respectively, wherein in the non-display area, the plurality of second openings each include a first dummy opening adjacent to the display area, and wherein at least one among the plurality of second openings includes a second dummy opening extending from the first dummy opening.

Organic light emitting display device

A display panel includes a substrate including an emission area and a non-emission area; an auxiliary electrode placed in the non-emission area, and supplied with power for driving the display panel; a protective layer placed on the auxiliary electrode; a contact hole penetrating through the protective layer, and exposing the auxiliary electrode; a connection electrode placed in such a manner as to be in contact with the auxiliary electrode within the contact hole; an electron auxiliary layer placed on the connection electrode; a cathode electrode placed on the electron auxiliary layer; and a protrusion formed protruding from the connection electrode, wherein the protrusion is formed in such a manner as to form a shade region on the connection electrode, and the cathode electrode is in contact with the connection electrode in the shade region.

Display panel having cathode electrode in contact with connection electrode in shade region and method of manufacturing same

An organic light-emitting display comprises a substrate having a plurality of subpixels arranged in a row direction and a column direction crossing the row direction; a plurality of first electrodes respectively allocated to the plurality of subpixels and comprising a first sub-electrode arranged in a (3n&#x2212;2) column, a second sub-electrode arranged in a (3n&#x2212;1) column, and a third sub-electrode arranged in a 3n column (where n is a natural number of 1 or more); and a bank having an opening exposing the plurality of first electrodes, wherein the first sub-electrode has a convex part protruded toward the third sub-electrode that has a concave part corresponding to the convex part.

An organic light emitting display panel and an organic light emitting display device according to the present invention may include a substrate, a pixel electrode positioned in each of a plurality of pixel areas on the substrate, a bank positioned in a non-emission area on the substrate, having a portion overlapping an edge of each pixel electrode and exposing a portion of each pixel electrode, and an organic layer positioned on each exposed pixel electrode. A plurality of grooves or holes may be positioned in the bank, and a material the same as that of the organic layer may be positioned in the groove or hole.

Growing community of inventors

Paju-si, South Korea

JaeKi Lee