Samsung Display Co., Ltd.

Hyunwoo Koo

Taewoong Kim

Sunho Kim

Hayk Khachatryan

Jeongho Kim

Hayk Kachatryan

Jin Hwan Choi

Dongwon Choi

Jinhwan Choi

Danbi Choi

Minsung Kim

Kihyun Kim

Tae Woong Kim

Kyungmin Choi

Kyuyoung Kim

HyungSik Kim

Hyungsik Kim

Yeongon Mo

Junghun Lee

Taean Seo

Jusuck Lee

Kiyong Lee

Boik Park

Kachatryan Hayk

A display device includes a display module, a plurality of support bars disposed on a rear surface of the display module, a roller which is connected to one end of the display module and around which the display module and part of the plurality of support bars are wound, and a housing which accommodates the display module, the plurality of support bars, and the roller. A gap between the plurality of support bars varies according to areas of the display module.

Display device and method for manufacturing the same

A display device includes: a flexible substrate; a plurality of conductive lines on the flexible substrate; a thin film transistor connected to the plurality of conductive lines; and an organic light emitting element connected to the thin film transistor. As a curvature of an area of the flexible substrate increases, a width or a thickness of each of the conductive lines increases.

Flexible display device having reduced strain during bending or rolling

A display device includes a display module, a module support disposed below the display module, and a housing which receives the display module and the module support. The module support includes: a support layer disposed below the display module, and a plurality of support bars disposed in the support layer and having a modulus greater than a modulus of the support layer.

Display device including module support and method for manufacturing module support

A display apparatus according to an embodiment of the present invention includes a display unit having flexibility, at least one roller extending in a first direction to wind or unwind the display unit, a plurality of joints extending along an edge region of the display unit, and a housing in which the display unit, the roller, and the joints are accommodated and into/from which the display unit and the joints are inserted and withdrawn, wherein the display unit includes a display panel having flexibility and in which a display area displaying an image is changed as the display unit is wound around or unwound from the roller, a protective film disposed above the display panel, and a support panel disposed below the display panel.

Display apparatus

A display device includes a display module and a housing. At least one roller is disposed in the housing. The display module is configured to be wound on the at least one roller and to be inserted and drawn from the housing. The display module comprises a display panel, a window on the display panel and an adhesion layer between the display panel and the window. The adhesion layer comprises a first polymer layer having positive charges and a second polymer layer having negative charges. The second polymer layer is directly disposed on the first polymer layer.

Rollable display device

A flexible display device includes: a bendable display panel; a protective layer on a surface of the display panel; and an elastic layer on the first surface of the protective layer. The protective layer has a groove in a first surface thereof, and the elastic layer is in the groove in the protective layer.

Flexible display device

A display device includes a first guide member extending in a first direction, a second guide member extending in the first direction and facing the first guide member in a second direction crossing the first direction, a display panel disposed between the first guide member and the second guide member, a support member which supports a portion of the display panel, a first driving unit which moves the support member, and a second driving unit connected to one end of the display panel to roll or unroll the display panel. Both sides of the support member are inserted into guide grooves defined in an inner side surface of the first guide member and an inner side surface of the second guide member, which faces the inner side surface of the first guide member, and the support member moves along the guide grooves.

Display device

A rollable display device includes: a window member; a first pressure sensitive adhesive member arranged under the window member; a display module detachable from and attachable to the window member by the first pressure sensitive adhesive member; a housing having a groove through which the window member, the first pressure sensitive adhesive member, and the display module are configured to enter and exit from the housing; a first rotation member on which the window member and the first pressure sensitive adhesive member are rollable or slidable; and a second rotation member on which the display module is rollable or slidable.

A flexible display panel includes a flexible substrate including a first region configured to receive a first stress and a second region configured to receive a second stress less than the first stress. The second region is located in a first direction from the first region. The flexible substrate further includes a conductive layer including a columnar conductive portion and a polycrystalline conductive portion. The columnar conductive portion is disposed on the first region of the flexible substrate and includes conductive columns, and the polycrystalline conductive portion is disposed on the second region of the flexible substrate and includes polycrystalline particles.

Flexible display panel and method of manufacturing the same

A flexible display device includes: a flexible substrate; a thin-film transistor on the flexible substrate; a passivation film covering the thin-film transistor; and a display element on the passivation film and electrically connected to the thin-film transistor. The passivation film includes a material exhibiting a shear-thickening phenomenon.

A method of manufacturing an organic light emitting display device, including: forming a first film of an organic material, and having first and second surfaces facing each other and a third surface perpendicular to the first and second surfaces; forming a second film on the first film to cover the second and third surfaces of the first film; forming an organic light emitting unit on the second film; forming a third film on the second film to cover the organic light emitting unit; forming a fourth film of an organic material on the third film and having fourth and fifth surfaces facing each other and the fifth surface facing the third film; combining the second support substrate and the first support substrate such that the fifth surface faces the third film; detaching the second support substrate from the fourth surface; and detaching the first support substrate from the first surface.

Method of manufacturing an organic light emitting display device having multiple films

A rollable display apparatus includes a rolling drum; and a flexible display panel comprising an end bonded to the rolling drum, the flexible display panel being windable around an outer circumferential surface of the rolling drum, the flexible display panel including a flexible substrate including a first surface on which a display device is arranged; and a first protection film over the first surface of the flexible substrate, the first protection film including a first layer including an elastic polymer, and a second layer on the first layer and having a smaller surface frictional force than the first layer, and the second layer includes a plurality of first grooves each indented in a depth direction of the second layer from a surface of the second layer.

Rollable display apparatus

A device substrate manufacturing method includes forming a debonding layer on a carrier substrate. An inorganic adhesive layer is formed on at least a portion of the debonding layer. A process substrate is formed on the carrier substrate. A device is formed on the process substrate, and the process substrate is separated from the carrier substrate.

Method of manufacturing a device substrate and a display device manufactured using the same

A foldable display device includes a first display area, a second display area, and a first folding area between the first display area and the second display area. The first folding area includes first, second, and third folding axes. The first folding axis is between the second and third folding axes. The foldable display device is folded in one direction of the both directions on the basis of the first folding axis or folds in the other direction of the both directions on the basis of the second and third folding axes.

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Hwaseong-si, South Korea

Hyunwoo Koo