Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Sangmin Yi

Sangshin Lee

Mingoo Kang

Ohseob Kwon

Dongjin Ha

Seungjin Lee

Sanghoon Kim

Jongdae Lee

Daewon Baek

Jiyun Chun

Minchul Song

Kwanhee Lee

Sangyeol Kim

Jongsung Park

Jongbum Kim

Daehyun Cho

Euigyu Kim

Seil Kim

Eunjoung Jung

Hyunchul Seok

Hongkyun Ahn

Seungju Hong

Jaesuk Dustin Moon

Hyunkyu Lee

Sangyun Lee

Jungwoo Ko

Hyun Joon Cha

DongWan Choi

Mooncheol Kang

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 display apparatus includes: a substrate; an insulating layer on the substrate and including a first opening; a plurality of first electrodes on the insulating layer, not overlapping the first opening, and spaced apart from each other; an emission layer on each of the plurality of first electrodes without overlapping the first opening; an intermediate layer including the emission layer; a second electrode on the intermediate layer; an encapsulation layer on the second electrode; and a polarization layer on the encapsulation layer and including a second opening overlapping the first opening.

Display apparatus including overlapping openings

A display apparatus includes: a substrate having a plurality of first group areas spaced apart from each other; a first pixel electrode and a second pixel electrode in each of the plurality of first group areas; a first intermediate layer on the first pixel electrode; a second intermediate layer on the second pixel electrode; an opposite electrode on the first intermediate layer and the second intermediate layer; and a plurality of first capping layers on the opposite electrode and spaced apart from each other to correspond to the plurality of first group areas.

Display apparatus comprising plurality of first capping layers spaces apart from each other and method of manufacturing the same

A display device includes a substrate, and an array of pixels on the substrate, the array of the pixels including a first column in which first pixels emitting first color light and second pixels emitting second color light are alternately disposed in a first direction, and a second column adjacent to the first column. The second column includes third pixels that emit third color light and are disposed in the first direction. The second column includes groups each including two or more third pixels, and a first distance between adjacent third pixels included in a same group is less than a second distance between adjacent third pixels included in different groups.

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 method for pixel patterning and pixel position inspection of an organic light-emitting display device includes: forming, on a substrate using a first mask, a thin film layer of a first color corresponding to a first pixel pattern and a first pixel positioning pattern for inspecting a position of a first pixel; shifting, by a determined pitch, the first mask from a position associated with forming the thin film layer of the first color; aligning the shifted first mask with respect to the substrate; and forming, on the substrate using the shifted first mask, a thin film layer of a second color corresponding to the first pixel pattern and another first pixel positioning pattern for inspecting a position of a second pixel.

Masks, method to inspect and adjust mask position, and method to pattern pixels of organic light-emitting display device utilizing the masks

A mask assembly for thin film deposition and a method of manufacturing the same. The mask assembly includes a glass mask having a first surface and a second surface opposite the first surface, a first metal layer patterned above the first surface of the glass mask, and a second metal layer patterned below the second surface of the glass mask. A plurality of deposition areas are arranged on the glass mask, and a plurality of deposition pattern portions each having a plurality of slits are patterned in the plurality of deposition areas.

Mask assembly for thin film deposition and method of manufacturing the same

A method of manufacturing a division mask includes pulling opposite end portions of a mask member in a first direction to fasten the mask member to a fastening portion, forming a first pattern portion having a plurality of first openings on the fastened mask member, such that the first pattern portion has a longer length in the first direction toward a central portion of the first pattern portion, and cutting the opposite end portions of the mask member to detach the mask member from the fastening portion.

Method for fabricating division mask

Masks, method to inspect and adjust mask positon, and method to pattern pixels of organic light-emitting display device utilizing the masks

Disclosed is a mask assembly for deposition including: a frame having an opening; a mask having at least one pattern part formed in a second direction that is different from a first direction, wherein at least a portion of the mask is supported by the frame and the at least one pattern part has one or more slits continuously formed in the first direction; and at least one support stick extending in the second direction across the opening so as to support at least a portion of the mask.

Mask assembly for deposition, deposition apparatus, and method employing the same

A display device includes first and second display panels, a first backlight assembly including a first light source that emits first light and a first reflective sheet that reflects the first light, and a second backlight assembly including a second light source that emits second light. A chromaticity coordinate region of the second light is different from a chromaticity coordinate region of the first light. The second backlight also assembly includes a second reflective sheet that reflects the second light and includes a second material different from a first material of the first reflective sheet. The first reflective sheet reflects the first light as third light toward the first display panel, and the second reflective sheet reflects the second light as fourth light toward the second display panel. A chromaticity coordinate region of the third light and a chromaticity coordinate region of the fourth light are substantially the same.

Growing community of inventors

Yongin-si, South Korea

Sangmin Yi