Samsung Display Co., Ltd.

Hyejin Gwark

Seungyong Song

Jungsun Park

Arong Kim

Yeonhwa Lee

Joongu Lee

Jaeik Kim

Heemin Park

Duckjung Lee

Kyuhwan Hwang

Hyunsung Bang

Jongbeom Hong

Yongsub Shim

A display device including a transmission area having improved transmittance and a method of manufacturing the same are provided. The display device includes: a substrate including a display area and a peripheral area outside the display area, the display area having a transmission area and a pixel area; a display element corresponding to the pixel area and including a pixel electrode, an intermediate layer on the pixel electrode, and a counter electrode on the intermediate layer; a photoluminescent layer corresponding to the transmission area and including a photoluminescent material; and an auxiliary layer on the photoluminescent layer, wherein the counter electrode includes a first material, the auxiliary layer includes a second material, and the first material is higher in surface energy than the second material, at room temperature.

Display device and method of manufacturing the same

A display apparatus includes: an auxiliary line comprising a main sub-layer and an upper layer on the main sub-layer; an insulating layer comprising a first opening having a greater width than the auxiliary line, wherein the first opening overlaps the auxiliary line; a first electrode on the insulating layer; an intermediate layer overlapping the first electrode and comprising an emission layer; an auxiliary layer, at least a portion of which overlaps the auxiliary line; and a second electrode on the auxiliary layer, wherein the upper layer of the auxiliary line comprises a tip protruding, in a lateral direction, from a first point, in which a side surface and an upper surface of the main sub-layer meet each other, and being curved upwards from the first point, and the second electrode contacts the side surface of the main sub-layer through the first opening of the insulating layer.

Display apparatus and manufacturing method of the same

A display apparatus includes a substrate including a display area including a transmission area and a pixel area, and a peripheral area adjacent to the display area; a display element disposed corresponding to the pixel area, the display element including a pixel electrode, an intermediate layer on the pixel electrode, and an opposite electrode on the intermediate layer; a hydrophobic layer disposed corresponding to the transmission area; and a plurality of fine particles disposed on the hydrophobic layer, the plurality of fine particles and the opposite electrode including a same material.

Display apparatus having transmission area and pixel area, and method of manufacturing the same

A display device includes an auxiliary wiring located on a substrate; an insulating layer arranged on the auxiliary wiring, overlapping the auxiliary wiring in a plan view, and including an opening having a width greater than a width of the auxiliary wiring; a first electrode located on the insulating layer; a bank layer including an emission opening that overlaps the first electrode in a plan view; an intermediate layer overlapping the first electrode through an emission opening in a plan view and including an emission layer; a second electrode on the intermediate layer; and an auxiliary layer arranged on the second electrode, wherein the auxiliary wiring includes sub-layers, and each of the second electrode and the auxiliary layer contacts a side surface of one of the sub-layers through the opening of the insulating layer.

Display device

An organic light-emitting display apparatus, including a substrate including a plurality of pixel areas and non-pixel areas in a display area, a plurality of pixel electrodes respectively corresponding to the plurality of pixel areas, a pixel-defining layer including a cover portion and openings, wherein the cover portion covers an edge of each of the plurality of pixel electrodes, and each of the openings exposes a central portion of a pixel electrode among the plurality of pixel electrodes, an auxiliary electrode located such that the auxiliary electrode corresponds to at least a portion of a top surface of the cover portion, and an intermediate layer and a counter electrode, each located in the openings. The pixel-defining layer may have an under-cut structure in which the at least a portion of the top surface of the cover portion is recessed from the auxiliary electrode.

Organic light-emitting display apparatus having a conductive layer with an undercut structure and method of manufacturing the same

Organic light-emitting display apparatus and method of manufacturing the same

Organic light-emitting display apparatus having a pixel-defining layer with an under-cut structure and method of manufacturing the same

Growing community of inventors

Yongin-si, South Korea

Hyejin Gwark