Samsung Display Co., Ltd.

Youngmin Moon

Sungsoon Im

Minho Moon

Seungyong Song

Ji-Hee Son

Kyuhwan Hwang

Jeongkuk Kim

Soonchul Chang

Seul Bee Lee

DuckJung Lee

Areum Lee

Jong-Hyun Choung

Kyu Hwan Hwang

Junho Jo

Hwi Dae Kim

Sangmin Lee

Hye Yong Chu

Hyunmin Cho

Jaesik Kim

Taewook Kang

Seul Gee Lee

Ki-beom Lee

Hongsick Park

Jinoh Kwag

In-Bae Kim

Sam-Young Cho

Youngchul Lee

Eunbee Jo

Gyu-po Kim

Won-guk Seo

Hyun-cheol Shin

Jaeuoon Kim

Seung-yeon Han

Jungwoo Ko

A repairing method of a mask assembly includes providing a mask assembly including a frame, an open mask including a first opening disposed on an upper surface of the frame, and a first unit mask including a plurality of first deposition openings to overlap the first opening in a plan view and disposed on an upper surface of the open mask, first cutting the open mask at an outside of the first unit mask such that a second opening having a size greater than a size of the first opening is defined, and connecting the second unit mask including a plurality of second deposition openings corresponding to the plurality of first deposition openings to the first cut open mask.

Mask assembly and method of repairing the same

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

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 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

A display device includes: a substrate including a first display area and a second display area, the second display area including transmissive areas; first opposite electrodes spaced apart from each other over the substrate; and second opposite electrodes including an overlapping portion that overlaps the first opposite electrodes over the substrate, the second opposite electrodes being spaced apart from each other, wherein connection opposite electrodes, in which the first opposite electrodes and the second opposite electrodes are connected by the overlapping portion in the second display area, are alternately arranged with the transmissive areas, each of the first opposite electrodes is arranged to correspond to a first pixel area including a plurality of sub-pixels, and each of the second opposite electrodes is arranged to correspond to a second pixel area neighboring the first pixel area and including a plurality of sub-pixels.

Display device and method of manufacturing display device

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

A display apparatus includes a substrate, a first display area, a first pixel area, a second pixel area spaced apart from the first pixel area, and a transmission area, and a second display area, a first pixel on the first pixel area including a first pixel electrode, a first opposite electrode, and a first intermediate layer between the first pixel electrode and the first opposite electrode, a second pixel on the second pixel area and including a second pixel electrode, a second opposite electrode, and a second intermediate layer between the second pixel electrode and the second opposite electrode, and a bridge electrode electrically connecting the first opposite electrode to the second opposite electrode, a thickness of the bridge electrode varies in a direction from one of the first opposite electrode and the second opposite electrode toward the other one of the first opposite electrode and the second opposite electrode.

Display apparatus with bridge electrode that varies in thickness

A deposition apparatus includes a chamber, a mask assembly disposed in the chamber and including an open sheet including a first area in which a first deposition hole is defined and a second area in which a second deposition hole spaced apart from the first deposition hole is defined, a first mask including multiple deposition openings that overlap the first area, and a second mask including multiple deposition openings that overlap the second area, a deposition substrate disposed on the mask assembly, and a deposition source spraying a deposition material to the mask assembly.

Deposition apparatus having mask assembly and method of repairing the mask assembly

A mask repairing apparatus includes a laser which emits a laser beam toward a welding portion between an opening sheet disposed on a mask frame and a cell mask disposed on the opening sheet, a fixing part disposed below the opening sheet to fix the opening sheet, and a suction part adjacent to the laser. The cell mask is separated from the opening sheet by the laser beam.

Mask repairing apparatus and mask repairing method using the same

A mask includes a protruding portion provided with a deposition hole formed therethrough and including an upper surface, a lower surface facing the upper surface, and a side surface disposed between the upper surface and the lower surface and inclined at an angle with respect to the lower surface, a peripheral portion including a first surface extending from the upper surface, a second surface facing the first surface and having a step difference with respect to the lower surface of the protruding portion, and a coating layer disposed on the protruding portion. The protruding portion includes at least one of a protrusion protruded from the side surface of the protruding portion and a groove formed by removing at least a portion of the protruding portion from the side surface of the protruding portion, and the coating layer covers at least one of the protrusion and the groove.

Mask and deposition apparatus including the same

Provided is a mask including a mask frame including a base part in which cell openings are defined, and a coating part surrounding edges of the cell openings, covering at least a portion of an upper surface of the base part, and including a materials that is different from that of the base part, and unit masks on the mask frame, respectively corresponding to the cell openings, including a material that is different from that of the coating part, and in which openings are defined.

Growing community of inventors

Yongin-si, South Korea

Youngmin Moon