Samsung Display Co., Ltd.

Seoul National University

Gyujeong Lee

Sangwoo Kim

Dongwon Kim

Yong Kim

Jongho Hong

Yongseok Kim

JaeMin Shin

Hyejin Joo

Kyungmin Kim

In-Ho Lee

Jaemin Shin

Junhyeong Park

Byeonghee Won

Sin-Doo Lee

Jangyeol Yoon

Jiyeon Seo

Minhee Son

A display panel may include a base, a circuit layer disposed on the base, an emission element layer disposed on the circuit layer, and an encapsulation layer disposed on the emission element layer. The base may include an island portion and a plurality of connecting portions and may be stretchable or extendable in a specific direction. The circuit layer may include a plurality of transistors and lines. An elongation of a material, which is included in a control electrode of each of the plurality of transistors, may be smaller than an elongation of a material included in the lines. The lines may be disposed on the connecting portions, and some of the lines may be overlapped with each other.

Display module which prevents signal lines from being damaged and electronic deivce including the same

A display panel includes a substrate including a first and a second region, which are spaced apart from each other with a penetrating portion provided therebetween, and a display element arranged on the substrate and including a first display element overlapping the first region and a second display element overlapping the second region, wherein a first side surface of the substrate that corresponds to an edge of the first region, and a second side surface of the substrate that corresponds to an edge of the second region, define at least portions of the penetrating portion, and an interval between the first and second side surfaces from an upper surface of the substrate, the upper surface facing the display element, is less than an interval between the first and second side surfaces from a lower surface of the substrate that does not face the display element.

Display panel, display apparatus, and method of manufacturing display apparatus

A display device includes a substrate including a display area and a peripheral area outside the display area, an inorganic insulating layer on the substrate, an organic insulating layer on a part of the inorganic insulating layer to expose a first upper surface of the inorganic insulating layer, the first upper surface overlapping the peripheral area, a display element at the display area and including a pixel electrode on the organic insulating layer, a pixel definition layer covering an edge of the pixel electrode and including an opening that overlaps a central portion of the pixel electrode, a first inorganic pattern layer between the organic insulating layer and the pixel definition layer, and a second inorganic pattern layer in contact with the first upper surface of the inorganic insulating layer, wherein the first inorganic pattern layer and the second inorganic pattern layer include a same material.

Display device with improved reliability and method of manufacturing the display device

A display apparatus includes: a substrate including a first area and a plurality of second areas extending from the first area in different directions from each other; a light emitting device disposed on the first area and including a first electrode, a second electrode, and an intermediate layer between the first electrode and the second electrode; a first organic layer disposed on the first area, where a distance from an upper surface of the first organic layer to an upper surface of the substrate is greater than a distance from an upper surface of the first electrode to the upper surface of the substrate; and a disconnection portion disposed on the first organic layer and including a tip, an edge of an upper surface of which more protrudes away from a center of the first organic layer than an edge of the upper surface of the first organic layer.

Display apparatus and method of manufacturing the same

A display device includes: a substrate that includes an island portion, a first connector that extends in a first direction from the island portion and a second connector that extends from the island portion in a second direction that crosses the first direction; a display unit disposed on the island portion and that includes at least one thin film transistor and at least one display element connected to the at least one thin film transistor; and connecting wires disposed on the first connector and the second connector and connected to the display unit, wherein at least one of the connecting wires is disposed on a same layer as a semiconductor layer of the at least one thin film transistor.

Display device

Display module which prevents signal lines from being damaged

A display panel including a penetrating portion includes a substrate including a first region and a second region, which are spaced apart from each other with the penetrating portion provided therebetween, and a display element arranged on the substrate and including a first display element overlapping the first region and a second display element overlapping the second region, wherein a first side surface of the substrate that corresponds to an edge of the first region, and a second side surface of the substrate that corresponds to an edge of the second region, define at least portions of the penetrating portion, and an interval between the first side surface and the second side surface from an upper surface of the substrate, the upper surface facing the display element, is less than an interval between the first side surface and the second side surface from a lower surface of the substrate that does not face the display element.

A method of manufacturing a display panel includes: preparing a support substrate including a first area and a second area that are spaced apart from each other, and a third area between the first area and the second area; forming, on the support substrate, a blocking layer located in the first area; forming, on the support substrate, a substrate material layer located in the first through third areas; removing a portion of the substrate material layer corresponding to the third area, to form a dummy substrate in the first area and a substrate in the second area; and separating the substrate from the support substrate, wherein the dummy substrate includes a plurality of protrusions protruding toward the substrate, and the substrate defines a plurality of through-portions corresponding to the plurality of protrusions, wherein an edge of each of the plurality of protrusions includes an uneven portion.

Method of manufacturing display panel

Display module

A display panel including: data lines; scan lines; light emitting control lines; touch sensing lines; and pixels connected to the data lines, the scan lines, the light emitting control lines, and the touch sensing lines, a first pixel including: a light emitting diode including an anode and a cathode; a pixel driving circuit configured to apply a current corresponding to a data signal received through a first data line to the anode in response to a first scan signal received through a first scan line and a light emitting control signal received through a first light emitting control line; and a touch sensing output circuit configured to apply a voltage of the anode to a first touch sensing line in response to the first scan signal.

Display panel having a touch sensing function and a display device having the same

A vertical-type organic light-emitting transistor for reducing the off-state leakage current to improve the current and on-off ratio includes a gate electrode, a lower semiconductor layer disposed on the gate electrode, a source electrode disposed on the lower semiconductor layer, and a source insulation film disposed on the source electrode and covering top and sides of the source electrode, wherein the lower semiconductor layer is configured such that an electric charge is injected into the lower semiconductor layer from the source electrode when voltage is applied to the gate electrode.

Growing community of inventors

Anyang-si, South Korea

Gyujeong Lee