A display device can include a substrate having a display area including a plurality of light emitting diodes, a first non-display area, and a bending area disposed between the first non-display area and the display area; a first inorganic encapsulation layer on the plurality of light emitting diodes; and a data driver in the first non-display area, in which the substrate is configured to be bent at the bending area for locating a portion of the first non-display area that includes the data driver under or behind a portion of the display area, and the first inorganic encapsulation layer includes a first region configured to overlap with the data driver and a second region that does not overlap with the data driver, the first region of the first inorganic encapsulation layer having a higher refractive index than the second region of the first inorganic encapsulation layer.

A light emitting device including a first electrode and a second electrode facing each other, and a first blue stack, a first charge generation layer, and a phosphorescent stack disposed between the first electrode and the second electrode. The phosphorescent stack includes a hole transport layer, a red light emitting layer, a green light emitting layer, and an electron transport layer. The red light emitting layer includes an electron transport host represented by Formula 1, a hole transport host different from the hole transport layer, and a red dopant.

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A thin film transistor and a display panel having the same are provided. A display panel includes a substrate, an active layer disposed over the substrate and including a source region, a drain region, and a middle region between the source region and the drain region, and a gate electrode over the active layer and disposed overlapping with the middle region, and the active layer includes a plurality of holes disposed symmetrically with respect to the middle region. The display panel can improve its reliability owing to heat dissipation paths through the plurality of holes.

Provided are a display device and an electronic device including the same, the display device including: a display element arranged in a display area of a display substrate, and including a first electrode, a second electrode, and an emission layer arranged therebetween; an encapsulation member disposed on the display element; and a window disposed on the encapsulation member, in which the window includes: a window substrate including a transmission area and a bezel area located outside the transmission area; a first printed layer disposed on the window substrate in the bezel area, and including a first pigment particle distributed in a first base material; and a second printed layer disposed on the first printed layer in the bezel area, and including an opening overlapping the first printed layer, in which a size of the first pigment particle is about 0.5 μm to about 5 μm in diameter.

Disclosed are a light emitting device that includes an additional layer adjacent to a light emitting layer and thus is capable of utilizing, in light emission, holes not used in the light emitting layer, to improve efficiency and lifespan, and a light emitting display device including the same. The light emitting device includes a first electrode and a second electrode facing each other, and an unit comprising a hole transport layer, a light emitting layer, an efficiency-improving layer, and an electron transport layer sequentially stacked between the first electrode and the second electrode, wherein the light emitting layer includes a first host comprising an anthracene derivative and a first blue light emitting dopant, and the efficiency-improving layer includes a second host having bipolarity and a second blue light emitting dopant.

A display apparatus includes a substrate including a display area, a camera hole, and a non-display area, a light-emitting element disposed in the display area, a gate driver disposed in the non-display area, and an initialization signal line disposed in the display area, wherein the display area includes left and right display areas with respect to the camera hole, and an array pixel area, and the initialization signal line is disposed in each of the left display area and the right display area.

Provided is a display apparatus comprising: a display substrate including a substrate and a display element disposed over the substrate; and an encapsulation layer disposed over the display substrate and including an inorganic encapsulation layer and an organic encapsulation layer, the inorganic encapsulation layer shielding the display element, wherein a control groove configured to control a position of an end of the organic encapsulation layer is provided in at least one of the inorganic encapsulation layer and an upper surface of the display substrate, wherein the end of the organic encapsulation layer does not overlap the control groove, or the organic encapsulation layer overlaps only a portion of the control groove.

A light emitting display device includes: a substrate; a first, a second, and a third conductive pattern on the substrate and extending in a first direction; an organic film covering the first, the second, and the third conductive pattern; an anode on the organic film; and a pixel defining layer having an opening overlapping the anode. The opening of the pixel defining layer overlaps the first, the second, and the third conductive pattern in a plan view. The first, the second, and the third conductive pattern are sequentially positioned in a second direction perpendicular to the first direction. In a portion overlapping the opening of the pixel defining layer in a plan view, a gap between the first conductive pattern and the second conductive pattern in the second direction and a gap between the second conductive pattern and the third conductive pattern in the second direction are the same.

A display apparatus includes: a substrate including a plurality of sub-pixels; an organic light emitting element formed in each of the plurality of sub-pixels; a light control member including a light control pattern disposed in each of the plurality of sub-pixels, and an air layer between adjacent light control patterns; and a color filter layer disposed on the light control member.

A light emitting display device can include a light emitting diode structure disposed on a substrate and having a first sub-pixel, a second sub-pixel, a third sub-pixel and a fourth sub-pixel, a bank that defines a pixel area of each of the first sub-pixel, the second sub-pixel, the third sub-pixel and the fourth sub-pixel, and a function improving unit disposed on the first emission part, the second emission part, the third emission part, the fourth emission part and the bank. One or two of sub-pixel among the first to fourth sub-pixels include a tandem emission part in which a first emission unit including a first emission layer and a second emission unit disposed on the first emission unit and including a second emission part are laminated.