A device having a layered structure that includes a layer of phase change material and a matrix material layer having embedding quantum emitters is tuned. An electric field is applied through the matrix material layer and the layer of phase change material to change the emission wavelengths of the quantum emitters. A phase of the phase change material is changed, in a non-volatile manner, in each of one or more of local areas of the phase change material, to form local alterations that are opposite to respective ones of the quantum emitters in the matrix material layer, to locally modify the electric field at the respective quantum emitters.

An organic device may include a substrate, first electrodes located on top of the substrate, organic layers located on top of the first electrodes, and a second electrode located on top of the organic layers. When seen along a direction normal to the substrate, the organic device may include a display area including a first display area and a second display area. The first display area may include the organic layers distributed at a first density. The second display area may include the organic layers distributed at a second density that is lower than the first density. The second electrode may include a wide-area electrode spreading in a gapless manner in the first display area and two or more electrode lines overlapping the organic layers in the second display area. Each of the electrode lines includes an end connected to the wide-area electrode.

A display device includes a first pixel and a second pixel. A light emitting element and a pixel circuit of the second pixel are in a second area. The first pixel includes a silicon transistor and an oxide transistor in the second area. The first pixel includes a connection line that electrically connects one of the silicon transistor and the oxide transistor to a light emitting element in a first area. The connection line is on the same layer as the oxide semiconductor pattern and includes a transparent conductive oxide.

A mask apparatus may include a frame including first and second sides opposing each other in a first direction across an opening and third and fourth sides opposing each other in a second direction crossing the first direction across the opening. A manufacturing apparatus may include a pressing mechanism that presses the first and second sides toward the opening, a displacement measuring mechanism that measures amounts of deformation of the first and second sides in the first direction, and a fixing unit that fixes a mask to the first and second sides. The pressing mechanism may include five or more pressing units that are arranged at intervals of 500 mm or less in the second direction and that press the first side and five or more pressing units that are arranged at intervals of 500 mm or less in the second direction and that press the second side.

An electronic apparatus and a method of manufacturing the same are provided. The electronic apparatus includes: a substrate; a light source on the substrate; a color conversion layer on the light source; a UV-absorbing layer on the color conversion layer; and a color filter on the UV-absorbing layer.

A display panel includes a pixel electrode, a common electrode which faces the pixel electrode, an auxiliary electrode spaced apart from the pixel electrode and connected to the common electrode, and a first functional layer between the pixel electrode and the common electrode, the first functional layer extending from the pixel electrode to the auxiliary electrode. The common electrode which is connected to the auxiliary electrode includes in order in a direction away from the first functional layer, a first layer including a transparent conductive material and having a thickness of about 500 angstroms to about 6000 angstroms, and a second layer including a conductive material and having a thickness of about 10 angstroms to about 100 angstroms.

A method of manufacturing a display device includes providing a mother substrate including a first cell region, a second cell region, and a peripheral region. First alignment keys arranged in a first direction in the peripheral region on the mother substrate is formed such that the first alignment keys are adjacent to a first side portion of each of first and second light emitting structures, while forming the first and second light emitting structures in the first and second cell regions on the mother substrate, respectively. A photoresist is formed in a second direction on the first and second light emitting structures by using a coater such that the photoresist does not to overlap the first alignment keys. The mother substrate is rotated at a preset angle. A light is irradiated to the photoresist by moving an exposer in a direction in which the first alignment keys are arranged.

A display device includes: a substrate; an organic insulating layer on the substrate and having an opening; a first electrode on the organic insulating layer; an auxiliary electrode on the organic insulating layer and including a first portion overlapping the opening; a bank layer having a first bank opening overlapping the first electrode and a second bank opening overlapping the first portion; an intermediate layer on the first electrode and the auxiliary electrode, the intermediate layer including a hole exposing a portion of the auxiliary electrode; and a second electrode on the intermediate layer, overlapping the first electrode and the auxiliary electrode, and in contact with the auxiliary electrode through the hole in the intermediate layer. The hole in the intermediate layer only partially overlaps the opening in the organic insulating layer and is located within the second bank opening in a plan view.

A display device includes a display panel having a display region and a pad region adjacent to the display region, and a circuit board electrically connected to the display panel, in which the display panel includes: a base substrate having an upper surface and a lower surface opposing the upper surface, the base substrate including a plurality of recessed patterns recessed from the lower surface; and a plurality of display pads disposed in the pad region and arranged in a first direction, and wherein at least one of the plurality of recessed patterns overlaps the pad region.

An electronic device and a display panel are provided. The display panel includes a substrate, a light-emitting unit, a blocking structure and an encapsulation layer. The substrate has a through hole, a display area, and a non-display area disposed between the through hole and the display area. The light-emitting unit is arranged on the display area. The blocking structure is arranged on the non-display area. The encapsulation layer extends from the display area to the non-display area, and includes an organic layer and a first inorganic layer. A portion of the organic layer is disposed between the blocking structure and the first inorganic layer.