Samsung Display Co., Ltd.

Industry-university Cooperation Foundation Hanyang University

Postech Academy-industry Foundation

Samsung Displayco., Ltd.

Seungyong Song

Youngmin Moon

Wooyong Sung

Seunghun Kim

Sungsoon Im

Minho Moon

Junghan Seo

Sooyoun Kim

Ohjune Kwon

Woo Yong Sung

Moonwon Chang

Hyoungsub Lee

Seungwook Kwon

Jeongkuk Kim

Hwi Dae Kim

Wonwoo Choi

Hye Yong Chu

Cheol Jang

Chungsock Choi

Sehoon Jeong

Seungho Yoon

Jonghyun Choi

Taehoon Yang

Seung-Yeon Chae

Jeongho Hwang

Jangdoo Lee

Soyoung Lee

Minwoo Lee

Jong-Hyun Choung

Hyunmin Cho

Yeonhwa Lee

Joongu Lee

Taewook Kang

Duckjung Lee

Sanggab Kim

Jungsun Park

Jaeik Kim

Suyeon Sim

Seung-Hwa Ha

Seul Gee Lee

Younggil Kwon

Kyuhwan Hwang

Arong Kim

Ji-Hee Son

Minsang Kim

Hyojeong Kwon

Myungmo Sung

Kwanhyuck Yoon

Junho Jo

Areum Lee

Kyu Hwan Hwang

Seunggun Chae

Youngho Park

Seoyeon Lee

Youngchul Lee

Youngsuck Choi

Seul Bee Lee

Doohwan Kim

DuckJung Lee

Jinoh Kwag

Jeongseok Lee

Sanghwan Cho

Sanghyeon Song

Jungyun Jo

Wooyoung Kim

Hyeyong Chu

Heemin Park

Da-hee Jeong

Jeongdo Yang

Hyangshik Kong

Sunghoon Yang

Youngseo Choi

Changmok Kim

Yonghyuck Lee

Soonchul Chang

SangHa Park

Seungwon Kim

Hyejin Gwark

Inbae Kim

Jinho Kwack

Eunbee Jo

Illhwan Lee

Jaeuoon Kim

Ilsang Lee

Daebeom Shin

Ung-soo Lee

Jonglam Lee

Bola Lee

Heejun Yang

A display device including a transmissive area and a light emitting area surrounding the transmissive area includes a first substrate, a barrier layer disposed on the first substrate and including an inorganic material, a second substrate disposed on the barrier layer and including an opening overlapping the transmissive area, a light emitting element disposed on the second substrate and overlapping the light emitting area and an encapsulation layer covering the light emitting element and contacting the barrier layer in the transmissive area.

Display device

A deposition apparatus includes a chamber, a deposition source disposed in the chamber, a mask assembly, and a base substrate disposed on the mask assembly. The mask assembly includes a frame including frame openings, a mask disposed on the frame and including deposition holes, and a welding stick disposed on the mask. A welding groove is disposed along an edge of the frame and has a depth in the thickness direction of the frame. The welding stick overlaps the welding groove.

Method for manufacturing mask and deposition apparatus including mask

A display device includes: a base layer; a circuit layer on the base layer; a light emitting element including a first electrode on the circuit layer, a functional layer on the first electrode, and a second electrode on the functional layer; a pixel defining film on the circuit layer and having a first pixel opening; a first auxiliary pixel defining film which includes a metal substance and is between the pixel defining film and the circuit layer and having a second pixel opening; and a second auxiliary pixel defining film between the circuit layer and the first auxiliary pixel defining film and having a third pixel opening, which exposes one surface of the first electrode, wherein the second electrode is in contact with the first auxiliary pixel defining film.

Display device and method for manufacturing the same

A display device includes: a window; a display panel comprising a first display area and a second display area having a pixel density less than that of the first display area, the display panel being under the window; a protective layer under the display panel; and a lower layer in which a first opening corresponding to the second display area is defined and which is under the protective layer, wherein a portion of the protective layer, which corresponds to the second display area, has a haze of 4% or less, a wavefront peak valley value of 0.05 or more and 2.00 or less, a wavefront root mean square value of 0.01 or more and 0.40 or less.

Display device and electronic device having the same

An embodiment provides a deposition apparatus including a mask frame, an opening sheet, a deposition mask, and an electrostatic chuck. In the mask frame, a first opening part is defined. The opening sheet is disposed on the mask frame. In the opening sheet, a second opening part overlapping the first opening part is defined. The deposition mask is disposed on the opening sheet. In the deposition mask, a plurality of third opening parts overlapping the second opening part are defined. The electrostatic chuck is disposed on the deposition mask and on which a substrate is disposed. The substrate is disposed on a surface of the electrostatic chuck, and AC power is applied to the deposition mask.

Deposition apparatus and method for seating mask of deposition apparatus

A mask manufacturing equipment includes a first stage on which a mask frame is disposed, the mask frame including cell openings arranged in a first direction and a second direction intersecting the first direction, a transfer module that places cell masks on the mask frame to respectively overlap the cell openings of the mask frame and the cell masks, a camera module that photographs the cell masks, a first processing module that irradiates a first laser beam between a border portion corresponding to a portion of the mask frame adjacent to an N-th cell opening and a first edge area of an N-th cell mask disposed on the border portion, and a second processing module that irradiates a second laser beam to a boundary area between the first edge area and a second edge area extending from the first edge area.

Mask manufacturing equipment and method of manufacturing mask using the same

A display device includes a substrate, a pixel, an encapsulation layer, a pad electrode, and a circuit board. The substrate includes a display area and a pad area positioned outside the display area. The pixel is disposed on the display area. The encapsulation layer covers the pixel. The pad electrode is disposed on the pad area. A first surface of the pad electrode contains fluorine, overlaps a second surface of the pad electrode, and is positioned farther from the substrate than the second surface of the pad electrode is. The circuit board overlaps the pad electrode.

Display device and method of manufacturing the same

A mask assembly includes a frame including a frame opening, and a mask disposed on the frame. The mask includes a body portion including an upper surface and a lower surface opposing each other and deposition openings spaced apart from each other, protrusions protruding from the upper surface and surrounding the corresponding deposition openings, and at least one step formation pattern overlapping the protrusions in a plan view and disposed in the body portion.

Mask assembly and method for manufacturing the same

A mask assembly includes: a mask frame provided with a first opening defined through a center portion thereof and including an outer frame surrounding the first opening and provided with at least one concave portion defined therein; a mask body disposed to correspond to the first opening and provided with second openings defined therethrough and having an area smaller than the first opening; a first sub-mask disposed on the mask body, provided with third openings defined therethrough over an entire area thereof and having an area smaller than each of the second openings, and including a metal material; a second sub-mask disposed on the first sub-mask, provided with fourth openings defined therethrough over an entire area thereof and having an area smaller than each of the third openings in a plane, and including a polymer material; and a welding portion disposed on the second sub-mask in the concave portion.

Mask assembly and method of manufacturing the same

A mask assembly includes a mask frame in which a first opening is defined, the mask frame including a front surface through which the first opening extends, and a deposition mask which is attached to the front surface of the mask frame and through which a plurality of second openings is defined. The mask frame includes an in which the front surface extends along a direction of gravity, the deposition mask includes an initial mask which is attached to the front surface of the mask frame in the thereof and through which the plurality of second openings is defined, and the of the mask frame having the front surface which extends along the direction of gravity disposes the first opening of the mask frame corresponding to all of the plurality of second openings of the initial mask along the direction of gravity.

Mask, method of providing the same, and method of providing display panel using mask

An electronic panel comprises a base substrate which comprises a front surface comprising a hole area and a display area surrounding the hole area and a rear surface and comprises a module hole located in the hole area and a plurality of recess patterns located in the hole area, a plurality of pixels, an encapsulation layer covering the pixels and comprising a first inorganic layer, a second inorganic layer, and an organic layer, and a protective pattern located in the hole area and spaced apart from the organic layer when viewed in a plan view. The recess patterns comprise a filled recess pattern filled with at least one of the organic layer or the protective pattern, and an exposed recess pattern exposed from the organic layer and the protective pattern.

Electronic panel and method of manufacturing the same

A flexible organic light-emitting display device includes a display panel which displays an image with light, including: an organic light-emitting device which emits the light; and a plurality of organic layers stacked around the organic light-emitting device, a portion of the plurality of organic layers being exposed outside the display panel, and a metal oxide layer on the display panel, the metal oxide layer contacting the portions of the plurality of organic layers exposed outside the display panel.

Flexible organic light-emitting display device and method of manufacturing the same

A display device includes: a substrate; a display element on the substrate; a thin-film encapsulation layer on the display element, the thin-film encapsulation layer including at least one inorganic layer and at least one organic layer; and a lower layer below the thin-film encapsulation layer, the lower layer including a first surface parallel to an upper surface of the substrate and a second surface extending in a direction crossing the upper surface of the substrate. The at least one inorganic layer is has a first thickness on the first surface of the lower layer and a second thickness on the second surface of the lower layer, the first thickness is greater than or equal to the second thickness, and a ratio of the second thickness to the first thickness is about 0.51 or more.

A mask assembly includes a mask frame through which a plurality of openings is defined and a plurality of cell masks disposed to respectively correspond to the cell openings. Each of the cell masks includes a mask main body substantially parallel to a plane defined by a first direction and a second direction crossing the first direction, where a plurality of holes is defined through the mask main body, a bonding portion disposed along an edge of the mask main body, and a tensile portion extending from the bonding portion and disposed spaced apart from the mask main body. The tensile portion includes first tensile portions spaced apart from each other in the first direction and disposed at opposite sides of the mask main body and second tensile portions spaced apart from each other in the second direction and disposed at opposite sides of the mask main body.

Mask assembly, mask manufactured using the same, and method of manufacturing display panel

A mask, a mask assembly, and a method of fabricating a mask are disclosed herein. The mask comprises a polymer film in which at least one cell region and at least one peripheral region are defined, the at least one peripheral region surrounding the at least one cell region, a conductive layer disposed on the polymer film and including a metal, an inorganic layer disposed between the polymer film and the conductive layer and including a silicon-based inorganic material, and holes that penetrate the polymer film, the conductive layer, and the inorganic layer and overlap the at least one cell region in a plan view.

Mask, mask fabrication method, and mask assembly

Growing community of inventors

Yongin-si, South Korea

Seungyong Song