Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Samsung Displayco., Ltd.

Minsang Kim

Ohjune Kwon

Seungwook Kwon

Hyojeong Kwon

Doohwan Kim

Seungyong Song

Wooyong Sung

Kitae Park

Jinkyu Kang

Minwoo Lee

Moonwon Chang

Seunghun Kim

Junhwan Ku

Ryounghee Kim

Euncheol Do

Hyunchul Lee

Hyeokjo Gwon

Sangmin Ji

Jeongseok Lee

Changduk Kang

Chilhee Chung

Wonje Cho

Taekyoung Hwang

Chanho Moon

Jungsik Nam

Sunghaeng Lee

Hyunjong Shin

Nagjong Kim

Ilsang Lee

A material-removing heater device including: a first terminal portion defining a first electrode; a second terminal portion defining a second electrode; and a heating portion which connects the first terminal portion to the second terminal portion, the heating portion heatable by a flow of electrical current from the first terminal portion to the second terminal portion to remove a portion of material of a display device. The heating portion defines a lower end surface of the material-removing heater device at which the material-removing heater device contacts the material of the display device, the heating portion disposes the lower end surface to have a concave shape, and the heating portion which is heated deforms the lower end surface from the concave shape to have a planar shape.

Material-removing heater device

A display apparatus including a display panel having a folding portion about which the display panel is configured to fold, a first lower film and a second lower film on one surface of the display panel, the first lower film and the second lower film being spaced apart from each other, at least one bump on the first lower film or the second lower film, and a first sub-layer on the first lower film, in which, when the display panel is folded, the folding portion is configured to fold so that a surface of the display panel located further from the first sub-layer is exposed and the first sub-layer faces another surface of the display panel located closer to the first sub-layer, and a height of the at least one bump is approximately less than or equal to a thickness of the first sub-layer.

Foldable display apparatus and manufacturing method thereof

An electronic apparatus includes a connection port having a plurality of pins, the connection port being configured to receive a signal through a first pin, the first pin being predefined to correspond to any one of signals of a plurality of protocols receivable through the connection port; and a processor configured to: identify, based on a connection between a connector of an external apparatus and the connection port, whether the signal has a characteristic defined for the first pin, identify, based on the identification that the signal has the characteristic, a protocol corresponding to the characteristic among the plurality of protocols, and control to communicate with the external apparatus based on the identified protocol.

Electronic apparatus capable of being connected to multiple external apparatuses having different protocols through a connection port and method of controlling the same

Provided herein are a porous film, a separator including the same, an electrochemical device including the separator, and a method of preparing the porous film. The porous film includes first cellulose nanofibers which is impregnated with a carbonate-based solvent-containing electrolyte solution and has a reaction heat of 150 J/g or less at a temperature ranging from about 30&#xb0; C. to about 300&#xb0; C., as measured by differential scanning calorimetry (DSC).

Porous film, separator including the same, electrochemical device including separator, and method of preparing porous film

A foldable display apparatus includes: a foldable display panel having a folding portion about which display panel is configured to fold; a lower film on one surface of the display panel having two, spaced bumps disposed adjacent to and at opposite sides of the folding portion; and a sub-layer disposed on the lower film, wherein the folding portion is configured to fold so that the display panel faces exteriorly of the display panel and the sub-layer faces interiorly of the display panel, and wherein a sum of heights of the two bumps is approximately less than or equal to a sum of thicknesses of the two sub-layers at respective sides adjacent to the folding portion.

A display device includes a display panel including: a bending area at which the display panel is bent with reference to a bending axis, and a non-bending area at which the display panel is not bent and at which an image is displayed; and a support member on which is supported the display panel, defining: a recessed portion disposed in the bending area; first and second bumps spaced apart from each other to define the recessed portion therebetween; and extensions extended from the first and second bumps, in a direction away from the recessed portion, to opposing ends of the support member, respectively. In cross-section, a size of the first bump is different from a size of the second bump.

Display device and method of manufacturing the same

A display device includes a display panel which includes a bending area which is bendable and includes a curvature area in a bent state, a protective film by which a first groove is defined, where the first groove corresponds to the curvature area, and an adhesive member disposed between the protective film and the display panel. The protective film includes a first inner side surface and a second inner side surface that define the first groove, and the first inner side surface and the second inner side surface have inclined shapes.

A display device includes a display panel having a first region, a second region spaced apart from the first region, and a bending region between the first region and the second region, the bending region being bent along a bending axis, a protective film including a first part on a first surface of the first region of the display panel, the first part having an opening at a center thereof that exposes the first surface of the display panel, and a second part on a first surface of the second region of the display panel, and a functional layer on the first surface of the display panel exposed by the opening.

Provided is a foldable display apparatus including: a display panel that is foldable; and a protection film on a surface of the display panel, the protection film including a thin film zone having a predetermined depth at a location corresponding to a folding portion of the display panel, wherein the thin film zone has edges wider than a central portion of the thin film zone.

Foldable display apparatus and method of manufacturing the same

A display device includes a display panel, a protection member, and an adhesive member between the protection member and the display panel. The display panel includes a first region, in which effective pixels are provided, a second region, in which ineffective pixels are provided, and a third region, in which a pixel is absent. The protection member is provided on a rear surface of the display panel and defines a first groove corresponding to the second region. The protection member includes a thermoplastic resin.

Display device and method of fabricating the same

A display device includes: a substrate including a bending area at least partially bent around a bending axis extending in a first direction; a first organic layer on the substrate, where a plurality of first openings is defined in a portion of the first organic layer corresponding to the bending area; a first conductive layer on the portion of the first organic layer and covering at least a portion of the plurality of first openings; a second organic layer on the first conductive layer, where a plurality of second openings is defined in the second organic layer; and a second conductive layer on the second organic layer, covering at least a portion of the plurality of second openings, and electrically connected to the first conductive layer through the plurality of second openings.

Display device having reduced stress of conductive layers in bending area

A foldable display apparatus includes a display panel that is foldable, and an expansion member located in a folding part of the display panel, the expansion member being expandable in response to stimulations.

A method of manufacturing a foldable display apparatus may include the steps of: disposing a protective film on one surface of a foldable display panel having a folding portion; removing at least a part of the protective film in the folding portion of the foldable display panel; and decreasing a height of at least one bump protruding from the protective film formed adjacent to the removed part of the protective film.

A foldable display apparatus includes a display panel that is foldable, a protective film, that is foldable, disposed on one surface of the display panel, and a sub-layer disposed on the protective film. A folding portion of the display apparatus includes a thin film zone, of the protective film, that is thinner than a main body of the protective film, and a pair of bumps disposed on opposing sides of the thin film zone, each of the pair of bumps having a thickness greater than that of the main body of the protective film. When the foldable display apparatus is in a folding state, a portion of the sub-layer is provided between the pair of bumps and is pressed by the pair of bumps.

Foldable display apparatus including a sub-layer and a protective film and method of manufacturing the same

An OLED device includes a display panel including a display region and a pad region located at a first side of the display region. The pad region includes a bending region located in a portion of the pad region adjacent to the display region and in a pad electrode region located in a remaining portion of the pad region. A lower protection film is on a lower surface of the display panel and exposes a portion of the bending region. The lower protection film includes a first lower protection film including a first concave-convex pattern in the bending region adjacent to the display region. A second lower protection film is spaced apart from the first lower protection film and includes a second concave-convex pattern in the bending region adjacent to the pad electrode region. The second concave-convex pattern has a shape that is insertable into the first concave-convex pattern.

Growing community of inventors

Suwon-si, South Korea

Minsang Kim