Samsung Display Co., Ltd.

Hongkyun Ahn

Joon Young Park

Sanghoon Kim

Sangshin Lee

Jongsung Park

Sangmin Yi

Euigyu Kim

Jongdae Lee

Seil Kim

Daewon Baek

Minji Jang

Jae Jung Kim

Jungwoo Ko

A mask assembly includes a first mask area including first opening areas, and a second mask area including second opening areas having centers located at vertices of virtual squares in a row direction and a column direction, half-etching areas having centers located at centers of the virtual squares, and a non-etching area surrounding the second opening areas and the half-etching areas. Each of the second opening areas includes a base portion and at least one protrusion portion protruding from the base portion.

Mask assembly and apparatus for manufacturing display device

A display device includes: a substrate comprising a first display area and a second display area, the first display area comprising a transparent area and the second display area being arranged to surround at least a portion of the first display area; a first pixel in the first display area and comprising a first pixel electrode, a first intermediate layer, and a first opposite electrode; and a second pixel in the second display area and comprising a second pixel electrode, a second intermediate layer, and a second opposite electrode, wherein each of the first intermediate layer and the second intermediate layer comprises a first section having a portion where a thickness thereof is constant and a second section where the thickness thereof is variable.

Display device, mask assembly, method of manufacturing the mask assembly, apparatus for manufacturing the display device, and method of manufacturing the display device

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

An organic light emitting display panel includes a first pixel and a second pixel respectively disposed in first and second light emitting areas. A portion of a first hole transport layer and a portion of a first light emitting layer of the first pixel are disposed in the second light emitting area. The portions of the first hole transport layer and the first light emitting layer overlap a second hole transport layer and a second light emitting layer, which are successively stacked. The second hole transport layer and the second light emitting layer block holes and electrons from moving to the portion of the first light emitting layer.

Organic light emitting display panel and method of manufacturing the same

Growing community of inventors

Yongin, South Korea

Hongkyun Ahn