Samsung Display Co., Ltd.

Euigyu Kim

Sang Min Yi

Junhyeuk Ko

Seungju Hong

Kwanhee Lee

Seil Kim

Junho Jo

Young Il Kim

Arong Lee

Sangshin Lee

Young-Il Kim

Kyunghoon Chung

Seungjin Lee

Jongbum Kim

Sangmin Yi

Dahee Jeong

Hongkyun Ahn

Jaesuk Dustin Moon

Hong-kyun Ahn

A Rong Lee

Jaesuk Moon

Disclosed is a deposition mask stage comprising a stage frame, chucks combined with the stage frame, and support blocks on a back side of the stage frame. The chucks are spaced apart from each other in a first direction and a second direction that are defined in an extending direction of the stage frame. The first and second directions intersect each other. The support blocks are spaced apart from each other in the first direction and the second direction on the back side of the stage frame.

Deposition mask stage, display manufacturing apparatus including the same, and display manufacturing method using the same

A display apparatus includes: a first pixel electrode of a first pixel; a second pixel electrode of a second pixel adjacent to the first pixel, the first and second pixels to emit light of different colors from each other; a first lower emission layer on the first pixel electrode; a second lower emission layer on the second pixel electrode; a first upper emission layer on the first lower emission layer; a second upper emission layer on the second lower emission layer; a charge generation layer between the first lower emission layer and the first upper emission layer, and between the second lower emission layer and the second upper emission layer; and a counter electrode extending across the first upper emission layer and the second upper emission layer. The charge generation layer includes first and second parts, and electrical conductivities of the first and second parts are different from each other.

Display apparatus including layer with a plurality of parts having different electrical conductivities on emission layers

A mask includes a first mask that includes a first long side that extends in a first direction and a first short side that extends in a second direction that crosses the first direction and that includes a first edge portion, a first center portion, and a first welded portion, that are sequentially arranged in the first direction. The mask further includes a second mask that includes a second long side that extends in the first direction and a second short side that extends in the second direction and that includes a second welded portion, a second center portion, and a second edge portion, that are sequentially arranged in the first direction. The first welded portion is in contact with the second welded portion.

Mask and method of manufacturing the same

A mask assembly, an apparatus for manufacturing a display device, and a method of manufacturing a display device are provided. A mask assembly includes: a mask frame including a frame body portion and dividers, the frame body portion being arranged at an outside of the mask frame, and the dividers dividing an inside of the frame body portion into a plurality of openings, each of the dividers being connected in a first direction and a second direction; and a plurality of mask sheets arranged on a top surface of the mask frame, coupled to the mask frame, and including at least one pattern opening, mask sheets of the plurality of mask sheets being apart from each other in the first direction.

Mask assembly, apparatus, and method of manufacturing display device

A mask frame assembly manufactured via an extension-welding process on a stage, the mask frame assembly includes: a mask frame disposed on a stage, the mask frame including a first frame and a second frame having a first length, and a third frame and a fourth frame having a second length, the second length less than the first length. The mask frame assembly also includes a mask having respective ends welded and combined onto the first frame and the second frame. The first frame and the second frame include a slot disposed toward the stage, and at least portions of the first frame and the second frame corresponding to the slot are not in contact with the stage. The third frame and the fourth frame and the stage are in contact with the stage.

Mask frame assembly for thin layer deposition

A display device including a substrate in which at least one hole area is disposed. The substrate includes an active area. The display device also includes a thin film encapsulation (TFE) layer disposed on the substrate. A pixel including a plurality of sub-pixels is disposed on the active area. A plurality of first and second pixel groups each include the sub-pixels. The first and second pixel groups are disposed along a plurality of first and second lines of the active area, respectively. The first and second lines are alternated in the active area. A first deposition portion forming the common layer or the common electrode is disposed in the first pixel groups disposed along the first lines of the active area. A second deposition portion forming the common layer or the common electrode is disposed in the second pixel groups disposed along the second lines of the active area.

Mask for manufacturing an organic light emitting display device, the mask including plurality of bridges to connect blocking plate to mask body

Method of manufacturing a mask frame assembly

An organic light emitting display device includes a substrate in which a first pixel area and a second pixel area different from each other are defined, a first electrode, a pixel defining layer, a common layer, a first surface processing layer, a second surface processing layer, a first liquid solution layer, a second liquid solution layer, and a second electrode. The first surface processing layer has a first width and is correspondingly included in the first pixel area. The second surface processing layer has a second width different from the first width and is correspondingly included in the second pixel area. The first liquid solution layer has the first width, and the second liquid solution layer has the second width. The first and second liquid solution layers have the same volume and different thicknesses.

Organic light emitting display device and method of manufacturing the same using a solution process

An organic electroluminescent display and method of manufacturing the same are disclosed. In one aspect, the organic electroluminescent display includes a substrate and a first electrode disposed on the substrate. It also includes a pixel definition layer disposed on the first electrode, wherein the pixel definition layer has an opening portion formed in an area overlapped with the first electrode. It further includes a lyophilic layer disposed on the first electrode and the pixel definition layer, an organic light emitting layer disposed on the lyophilic layer, and a second electrode disposed on the organic light emitting layer. The lyophilic layer includes a center portion and an edge portion. The center portion is disposed on the first electrode through the opening portion and includes at least one recess portion formed therein. The edge portion is extended from the center portion and disposed on the pixel definition layer.

Organic electroluminescent display and method of manufacturing the same

Organic light emitting display device and method of manufacturing the same

Growing community of inventors

Yongin-si, South Korea

Euigyu Kim