Abstract: Disclosed is a technique for switching from a master node to a secondary node in a communication system. A method of a first communication node may comprise: adding the first communication node as a primary secondary cell (PSCell) to a second communication node through dual connectivity (DC); generating a first user plane path for smart dynamic switching (SDS) and a first instance for supporting the first user plane path according to a request from the second communication node; transmitting information on the first user plane path and the first instance to a terminal; receiving user data based on the first user plane path from the terminal as the first instance; and transmitting the user data to a core network using the first user plane path.

Abstract: A display device includes: a substrate; a plurality of transistors disposed on the substrate; an insulating layer disposed on the plurality of transistors; a data line and a driving voltage line disposed on the insulating layer; a pixel electrode disposed on the data line or the driving voltage line; a pixel defining layer disposed on the pixel electrode and including a pixel opening that overlaps the pixel electrode; a light emitting element layer disposed in the pixel opening; and a common electrode disposed on the light emitting element layer, wherein the pixel opening includes a first sub-pixel opening and a second sub-pixel opening and a first blocking portion that is disposed between the first sub-pixel opening and the second sub-pixel opening.

Abstract: A display device includes: a substrate; a transistor on the substrate; a first electrode connected to the transistor; a first partition wall on the first electrode, and having a pixel opening; an auxiliary electrode on the first partition wall; a second partition wall on the auxiliary electrode; an emission layer in the pixel opening; and a second electrode on the emission layer and the second partition wall, and connected to the auxiliary electrode. An end portion of the auxiliary electrode protrudes from a side surface of at least one of the first partition wall or the second partition wall.

Abstract: A display device includes: a substrate; a plurality of transistors disposed on the substrate; an insulating layer disposed on the plurality of transistors; a data line and a driving voltage line disposed on the insulating layer; a pixel electrode disposed on the data line or the driving voltage line; a pixel defining layer disposed on the pixel electrode and including a pixel opening that overlaps the pixel electrode; a light emitting element layer disposed in the pixel opening; and a common electrode disposed on the light emitting element layer, wherein the pixel opening includes a first sub-pixel opening and a second sub-pixel opening and a first blocking portion that is disposed between the first sub-pixel opening and the second sub-pixel opening.

Abstract: A display device includes a plurality of first electrodes electrically connected to pixel circuits disposed on a substrate; a pixel defining layer defining a plurality of opening regions, each of the opening regions exposing a portion of each of the first electrodes; a plurality of light emitting layers respectively disposed on the first electrodes in the opening regions; a second electrode covering the light emitting layers and the pixel defining layer; an encapsulation layer disposed on the second electrode; and a plurality of light blocking patterns disposed on the encapsulation layer between the opening regions adjacent to each other in a first direction.

Abstract: A display device of the disclosure includes a substrate, a circuit layer disposed on the substrate and including a pixel circuit and a sensor circuit, a pixel element layer disposed on the circuit layer and including a light emitting element electrically connected to the pixel circuit, a light receiving element electrically connected to the sensor circuit, and a pixel defining layer disposed on the circuit layer, and a partition wall disposed on the pixel defining layer. The partition wall has a reverse taper shape.

Abstract: A display device includes: a substrate; a transistor disposed on the substrate; a pixel electrode connected to the transistor; a bank layer disposed on the pixel electrode having a pixel opening overlapping the pixel electrode; an emission layer disposed in the pixel opening; a common electrode disposed on the emission layer and the bank layer; an encapsulation layer disposed on the common electrode; a sensing electrode disposed on the encapsulation layer; a first insulator disposed on the encapsulation layer to overlap the pixel opening; a second insulator disposed outside the first insulator; and a third insulator disposed outside the second insulator. The first insulator has a first refractive index, the second insulator has a second refractive index, and the third insulator has a third refractive index, and the first refractive index, and wherein the second refractive index, and the third refractive index are different from each other.

Abstract: A display device includes a plurality of first electrodes electrically connected to pixel circuits disposed on a substrate; a pixel defining layer defining a plurality of opening regions, each of the opening regions exposing a portion of each of the first electrodes; a plurality of light emitting layers respectively disposed on the first electrodes in the opening regions; a second electrode covering the light emitting layers and the pixel defining layer; an encapsulation layer disposed on the second electrode; and a plurality of light blocking patterns disposed on the encapsulation layer between the opening regions adjacent to each other in a first direction.

Abstract: A display device includes: a substrate; a transistor disposed on the substrate; a pixel electrode connected to the transistor; a bank layer disposed on the pixel electrode having a pixel opening overlapping the pixel electrode; an emission layer disposed in the pixel opening; a common electrode disposed on the emission layer and the bank layer; an encapsulation layer disposed on the common electrode; a sensing electrode disposed on the encapsulation layer; a first insulator disposed on the encapsulation layer to overlap the pixel opening; a second insulator disposed outside the first insulator; and a third insulator disposed outside the second insulator. The first insulator has a first refractive index, the second insulator has a second refractive index, and the third insulator has a third refractive index, and the first refractive index, and wherein the second refractive index, and the third refractive index are different from each other.

Abstract: A display device according to an embodiment includes a transistor positioned on a substrate; a first electrode electrically connected to the transistor; an emission layer positioned on the first electrode; a second electrode positioned on the emission layer; and a pattern part spaced apart from the first electrode. The pattern part includes a photosensitive pattern layer made of a photosensitive resin.

Abstract: A display device is provided. The display device comprises a substrate, at least one thin-film transistor disposed on the substrate, a planarization layer disposed on the thin-film transistor, a first metal layer disposed on the planarization layer and connected to the thin-film transistor, a first electrode disposed on the first metal layer, partitioning walls disposed on the planarization layer and spaced apart from the first electrode, wherein each of the partitioning walls includes a second metal layer and a first conductive layer, a pixel defining layer disposed on the first electrode and the partitioning walls, an organic layer disposed on the first electrode and the pixel defining layer, and a second electrode disposed on the organic layer, wherein the second metal layer is disposed under the first conductive layer and has an undercut beneath the first conductive layer, wherein at least portion of the organic layer is discontinuous between the partitioning walls.

Abstract: A display device includes: a substrate; a plurality of transistors disposed on the substrate; an insulating layer disposed on the plurality of transistors; a data line and a driving voltage line disposed on the insulating layer; a pixel electrode disposed on the data line or the driving voltage line; a pixel defining layer disposed on the pixel electrode and including a pixel opening that overlaps the pixel electrode; a light emitting element layer disposed in the pixel opening; and a common electrode disposed on the light emitting element layer, wherein the pixel opening includes a first sub-pixel opening and a second sub-pixel opening and a first blocking portion that is disposed between the first sub-pixel opening and the second sub-pixel opening.

Abstract: A display device includes a plurality of first electrodes electrically connected to pixel circuits disposed on a substrate; a pixel defining layer defining a plurality of opening regions, each of the opening regions exposing a portion of each of the first electrodes; a plurality of light emitting layers respectively disposed on the first electrodes in the opening regions; a second electrode covering the light emitting layers and the pixel defining layer; an encapsulation layer disposed on the second electrode; and a plurality of light blocking patterns disposed on the encapsulation layer between the opening regions adjacent to each other in a first direction.

Abstract: An organic light emitting diode display is provided including a first display panel. The first display panel includes a first substrate and a transistor disposed on the first substrate. The transistor includes an input electrode and an output electrode. A second display panel is provided including a second substrate, a first electrode disposed on the second substrate, an emission layer disposed on the first electrode, and a second electrode disposed on the emission layer. A first connector is disposed on the output electrode and between the first display panel and the second display panel. The second display panel further includes a first opening formed in the second substrate and a pixel electrode connector disposed in the first opening. The output electrode of the transistor is electrically connected to the first electrode through the first connector, and the first electrode and the first connector are electrically connected through the pixel electrode connector.

Abstract: A light emitting device includes a substrate. A thin film transistor is disposed on the substrate. A first electrode is connected to the thin film transistor. A second electrode at least partially overlaps the first electrode. A first partition wall is disposed between the first electrode and the second electrode. An insulating layer is disposed between the thin film transistor and the first electrode. The insulating layer includes a first part having a first thickness and a second part having a second thickness that is different than the first thickness. The second part of the insulating layer at least partially overlaps the first partition wall.

Abstract: A display device includes: a substrate on which is disposed: an organic light emitting element which generates and emits light with which an image is displayed; a thin film transistor connected to the organic light emitting element and with which the organic light emitting element is controlled to emit the light; an interlayer insulating layer disposed between the thin film transistor and the organic light emitting element, the interlayer insulating layer including an organic material; and a capping layer disposed between the interlayer insulating layer and the organic light emitting element, the capping layer including an inorganic material. The interlayer insulating layer disposed between the thin film transistor and the organic light emitting element does not have photosensitivity and does not include sulfur.

Abstract: An exposure mask includes a first transmission portion, a second transmission portion, and a blocking portion. The first transmission portion is configured to, when illuminated with light, transmit the light at a first energy level. The first transmission portion is disposed in association with formation of a first contact hole in an underlying layer. The second transmission portion is configured to, when illuminated with the light, transmit the light at a second energy level. The second transmission portion is disposed in association with formation of a second contact hole in the underlying layer. The blocking portion is configured to block the light, and is disposed in association with a boundary region between a first region and a second region of the underlying layer. The second transmission portion is further configured to enable the second contact hole to be formed deeper into the underlying layer than the first contact hole.

Abstract: An organic light emitting diode display is provided including a first display panel. The first display panel includes a first substrate and a transistor disposed on the first substrate. The transistor includes an input electrode and an output electrode. A second display panel is provided including a second substrate, a first electrode disposed on the second substrate, an emission layer disposed on the first electrode, and a second electrode disposed on the emission layer. A first connector is disposed on the output electrode and between the first display panel and the second display panel. The second display panel further includes a first opening formed in the second substrate and a pixel electrode connector disposed in the first opening. The output electrode of the transistor is electrically connected to the first electrode through the first connector, and the first electrode and the first connector are electrically connected through the pixel electrode connector.

Abstract: An exposure mask includes a first transmission portion, a second transmission portion, and a blocking portion. The first transmission portion is configured to, when illuminated with light, transmit the light at a first energy level. The first transmission portion is disposed in association with formation of a first contact hole in an underlying layer. The second transmission portion is configured to, when illuminated with the light, transmit the light at a second energy level. The second transmission portion is disposed in association with formation of a second contact hole in the underlying layer. The blocking portion is configured to block the light, and is disposed in association with a boundary region between a first region and a second region of the underlying layer. The second transmission portion is further configured to enable the second contact hole to be formed deeper into the underlying layer than the first contact hole.

Abstract: An exposure mask includes a first transmission portion, a second transmission portion, and a blocking portion. The first transmission portion is configured to, when illuminated with light, transmit the light at a first energy level. The first transmission portion is disposed in association with formation of a first contact hole in an underlying layer. The second transmission portion is configured to, when illuminated with the light, transmit the light at a second energy level. The second transmission portion is disposed in association with formation of a second contact hole in the underlying layer. The blocking portion is configured to block the light, and is disposed in association with a boundary region between a first region and a second region of the underlying layer. The second transmission portion is further configured to enable the second contact hole to be formed deeper into the underlying layer than the first contact hole.