Abstract: The present disclosure provides substrate heat-treating apparatus including a process chamber in which a flat substrate to be heat treated is placed, the process chamber comprising a beam irradiating plate placed below the flat substrate and an infrared transmitting plate placed above the flat substrate; a beam irradiating module for irradiating a laser beam to a lower surface of the flat substrate through the beam irradiating plate; and a gas circulation cooling module for spraying a cooling gas to an upper surface of the infrared transmitting plate, thereby cooling the infrared transmitting plate.

Abstract: The present disclosure discloses a substrate heat-treating apparatus including a process chamber in which a flat substrate to be heat treated is placed, the process chamber comprising a beam transmitting plate placed below the flat substrate and an infrared transmitting plate placed above the flat substrate; a beam irradiating module for irradiating a VCSEL beam having a single wavelength to a lower surface of the flat substrate through the beam transmitting plate; and an emissivity measuring configured to measure the laser beam reflected from the lower surface or an upper surface the flat substrate, thereby measuring the emissivity of the flat substrate.

Abstract: A display device includes a substrate having a display area, in which an image is displayed, and a non-display area, in which no image is displayed. The non-display area is disposed on at least one side of the display area. A plurality of pixels is disposed in the display area. An encapsulation layer is disposed on the plurality of pixels. A dam unit is disposed in the non-display area. The dam unit includes a body part and a plurality of protrusions. Each of the plurality of protrusions protrudes from the body part.

Abstract: A display device may include light emitting elements disposed on a first surface of a substrate, a connection electrode disposed on a second surface of the substrate, and a via layer disposed on the connection electrode, and including at least one depression. The passivation layer may be disposed in the depression of the via layer.

Abstract: A display device includes a substrate including a main portion, a first edge portion protruding from the main portion in a first direction, and a second edge portion protruding from the main portion in the first direction and spaced apart from the first edge portion in the first direction, a first data line disposed on the main portion and extending in a second direction intersecting the first direction, a second data line including a first portion disposed on the first edge portion and extending in the second direction, and a second portion disposed on the second edge portion and extending in the second direction, and a connection line electrically connecting the first portion of the second data line and the second portion of the second data line to each other. The first data line and the second data line, and the connection line are disposed on different layers.

Abstract: A display device includes a substrate, a first electrode on the substrate, a bank layer including a pixel defining layer with an opening exposing the first electrode, and a spacer group including spacers on the pixel defining layer, a light emitting layer in the opening, and a first encapsulation layer covering the light emitting layer and the bank layer. The bank layer includes a raised portion between the spacers, and a depression portion in a lower region of opposite side surfaces of the spacers, the first encapsulation layer on the raised portion includes a top surface and a bottom surface having a less curvature than the top surface, and the first encapsulation layer includes a first portion on the depression portion and a second portion on the side surface of the spacer, a portion of the second portion is positioned outward from the first portion.

Abstract: A display device includes a substrate including a display area and a bending region which is adjacent to the display area, a pixel partition wall layer on the substrate, in the display area, and including a pixel-defining layer and a spacer which is on the pixel-defining layer, a first bending protective layer on the substrate, in the bending region, and including a base and a protrusion pattern which is on the base, and a bending inorganic layer on the first bending protective layer.

Abstract: The present disclosure relates to a display device, and a display device according to an embodiment includes a substrate, a transistor disposed on the substrate, a light emitting element connected to the transistor, an encapsulation layer disposed on the light emitting element, a sensing electrode disposed on the encapsulation layer, a first insulating layer disposed on the sensing electrode and including an opening, a second insulating layer disposed on the first insulating layer, and a third insulating layer disposed on the second insulating layer, wherein a refractive index of the third insulating layer is higher than that of the second insulating layer.

Abstract: A stretchable display device includes a stretchable substrate, at least a portion of which is stretchable in at least one direction, a plurality of light emitting units formed on the stretchable substrate, the light emitting units being spaced apart from each other, the light emitting units each including a pixel electrode, an emission layer, a common electrode, and a common wiring electrode conducted to the common electrode, and a plurality of encapsulations covering and protecting the plurality of light emitting units, respectively.

Abstract: A display device includes: a flexible substrate having a first surface and a second surface opposite to the first surface, where the flexible substrate includes an upper surface portion extending along a first direction, a first bent portion connected to the upper surface portion, a first side portion connected to the first bent portion, a second bent portion connected to the first side portion, a second side portion connected to the second bent portion, a third bent portion connected to the second side portion, and a lower surface portion connected to the third bent portion; and a support member disposed on the second surface of the flexible substrate, where a portion of the support member disposed to overlap the second bent portion has a thickness less than a thickness of a portion disposed on the first side portion and a thickness of a portion disposed on the second side portion.

Abstract: A display device comprises a substrate; a first electrode on the substrate; a bank layer on the substrate and comprising an opening exposing the first electrode; a spacer on the bank layer and having a first thickness; a protrusion on the bank layer, spaced apart from the spacer, and having a second thickness smaller than the first thickness; and an emissive layer on the first electrode exposed by the bank layer, wherein the protrusion comprises a first protrusion pattern and a second protrusion pattern spaced apart from the first protrusion pattern with a valley hole therebetween.

Abstract: A stretchable display device includes a stretchable substrate, at least a portion of which is stretchable in at least one direction, a plurality of light emitting units formed on the stretchable substrate, the light emitting units being spaced apart from each other, the light emitting units each including a pixel electrode, an emission layer, a common electrode, and a common wiring electrode conducted to the common electrode, and a plurality of encapsulations covering and protecting the plurality of light emitting units, respectively.

Abstract: A display device includes a via layer disposed on a substrate and including a via groove having a shape recessed from a first surface to a second surface of the via layer. A first electrode is disposed on the first surface. A pixel-defining film is disposed on the via layer and the first electrode. A first pixel-defining film through-hole passes through the pixel-defining film in a thickness direction and exposes the first electrode. A second pixel-defining film through-hole passes through the pixel-defining film in the thickness direction. The second pixel-defining film through-hole is spaced apart from the first pixel-defining film through-hole and overlaps the via groove. An emission layer is disposed on an exposed portion of the first electrode. A protrusion is disposed on the pixel-defining film and includes a protrusion through-hole which passes through the protrusion in the thickness direction and overlaps the second pixel-defining film through-hole.

Abstract: A deposition mask includes: a plurality of sub-masks through which deposition material passes to a base layer to form a deposition layer defining a hole therein, each of the sub-masks including: an aperture through which the deposition material passes to the base layer, a total planar area of the aperture corresponding to less than a total planar area of the deposition layer, and a masking surface at which the deposition material does not pass through the sub-mask, the masking surface including a hole-forming portion of which a total planar area thereof corresponds to a total planar area of the hole defined in the deposition layer. The hole-forming portions of the sub-masks have a same shape and planar area as each other, and within each sub-mask, the shape of the hole-forming portion is nested within a shape of the aperture.

Abstract: A display device includes a substrate having a display area, in which an image is displayed, and a non-display area, in which no image is displayed. The non-display area is disposed on at least one side of the display area. A plurality of pixels is disposed in the display area. An encapsulation layer is disposed on the plurality of pixels. A dam unit is disposed in the non-display area. The dam unit includes a body part and a plurality of protrusions.

Abstract: A display device includes a substrate having a display area, in which an image is displayed, and a non-display area, in which no image is displayed. The non-display area is disposed on at least one side of the display area. A plurality of pixels is disposed in the display area. An encapsulation layer is disposed on the plurality of pixels. Adam unit is disposed in the non-display area. The dam unit includes a body part and a plurality of protrusions. Each of the plurality of protrusions protrudes from the body part.

Abstract: An organic light-emitting display apparatus for selectively realizing circular polarization according to external light conditions, including a substrate; an organic light-emitting device on the substrate; a sealing member on the organic light-emitting device; a phase retardation layer on a surface of the substrate, the organic light-emitting device, or the sealing member; and a linear polarization layer on another surface of the substrate, the organic light-emitting device, or the sealing member, wherein the linear polarization layer is located to be closer to a source of external light than the phase retardation layer, and wherein the linear polarization layer comprises a photochromic material.

Abstract: A display device includes a substrate having a display area, in which an image is displayed, and a non-display area, in which no image is displayed. The non-display area is disposed on at least one side of the display area. A plurality of pixels is disposed in the display area. An encapsulation layer is disposed on the plurality of pixels. Adam unit is disposed in the non-display area. The dam unit includes a body part and a plurality of protrusions.

Abstract: A display device includes a flexible substrate including a bending area corresponding to an area at which the display device is bent, and a first area and a second area which is spaced apart from the first area by the bending area, a display element unit disposed in the first area of the flexible substrate; and a buffer member disposed in the bending area of the flexible substrate. The buffer member in the bending area includes: a first buffer member having a first maximum thickness, and a second buffer member having a second maximum thickness which is smaller than the first maximum thickness. Among the first buffer member and the second member, the first buffer member disposed closer to the first area and the second member disposed closer to the second area.

Abstract: A deposition mask includes: a plurality of sub-masks through which deposition material passes to a base layer to form a deposition layer defining a hole therein, each of the sub-masks including: an aperture through which the deposition material passes to the base layer, a total planar area of the aperture corresponding to less than a total planar area of the deposition layer, and a masking surface at which the deposition material does not pass through the sub-mask, the masking surface including a hole-forming portion of which a total planar area thereof corresponds to a total planar area of the hole defined in the deposition layer. The hole-forming portions of the sub-masks have a same shape and planar area as each other, and within each sub-mask, the shape of the hole-forming portion is nested within a shape of the aperture.