An organic electroluminescence element in an embodiment according to the present invention includes a first electrode, a third electrode including a region overlapping the first electrode, a first insulating layer between the first electrode and the third electrode, a second insulating layer between the first insulating layer and the third electrode, an electron transfer layer between the first insulating layer and the third electrode, a light emitting layer, containing an organic electroluminescence material, between the electron transfer layer and the third electrode, and a second electrode located between the first insulating layer and the second insulating layer and electrically connected with the electron transfer layer. The organic electroluminescence element includes an overlap region where the third electrode, the light emitting layer, the electron transfer layer, the first insulating layer and the first electrode overlap each other in an opening of the second insulating layer.

Disclosed is a display device including a base layer, a circuit layer including a plurality of transistors spaced apart from each other and disposed on a top of the base layer, a plurality of insulating layers disposed on a top of the base layer, and a plurality of contact electrodes electrically connected to the transistors, respectively, a first light emitting unit disposed on a top of the circuit layer, a second light emitting unit, and a lower protrusion disposed between at least one of the transistors and the second lower electrode, wherein at least one of the contact electrodes is disposed to extend to a top surface of the lower protrusion in the circuit layer while following a shape of the lower protrusion to simplify an etching process of an encapsulation layer.

A display panel includes: a display area including: a first display area having a plurality of first light-emitting elements; a second display area having a plurality of second light-emitting elements and a transmission area; and a third display area having a plurality of third light-emitting elements; a peripheral area at an outer side of the display area and comprising a bending area; a plurality of first sub-pixel circuits in the first display area and electrically connected to the plurality of first light-emitting elements, respectively; a plurality of second sub-pixel circuits electrically connected to the plurality of second light-emitting elements, respectively; and a plurality of third pixel circuits electrically connected to the plurality of third light-emitting elements, respectively, wherein the plurality of second sub-pixel circuits are in the peripheral area, and the bending area is between the plurality of second sub-pixel circuits and the display area.

A display device may reduce or minimize a size of a light emission area that becomes a dark spot due to particles. The display device includes a substrate provided with a display area for displaying an image by subpixels, first electrodes provided in each of the subpixels over the substrate, driving transistors provided between the substrate and the first electrodes and coupled to each of the first electrodes, a light emitting layer provided over the first electrodes, and a second electrode provided over the light emitting layer. Each of the first electrodes includes divided electrodes spaced apart from each other, a transistor contact portion coupled with the driving transistor through a contact hole, and connection electrodes coupling each of the plurality of divided electrodes with the transistor contact portion.

A novel organic compound with which the emission characteristics, emission efficiency, and reliability of a light-emitting element can be improved is provided. The organic compound has an imidazo[1,2-f]phenanthridine skeleton and a dibenzothiophene skeleton or a dibenzofuran skeleton bonded through an arylene group. The light-emitting element including the organic compound in a light-emitting layer shows high efficiency and low power consumption.

A display device includes a blocking pattern between a display area and a dam structure and having an undercut shape. The blocking pattern includes an etched metal layer, and a first upper metal layer which is on the etched metal layer and has a width greater than a width of the etched metal layer.

A semi-transparent perovskite-based photovoltaic cell (or solar cell), wherein the photoactive perovskite layer includes at least one polysaccharide-based inert polymer in an amount ranging between 0.5% by weight and 3.5% by weight, preferably ranging between 1% by weight and 3% by weight, more preferably ranging between 1.5% by weight and 2.8% by weight, with respect to the total weight of the perovskite precursors. The semi-transparent perovskite-based photovoltaic cell (or solar cell) can be advantageously used in various applications that require the production of electricity through the exploitation of light energy, in particular solar radiation energy such as, for example: building integrated photovoltaic (BIPV) systems; photovoltaic windows; greenhouses; photo-bioreactors; noise barriers; lighting; design; advertising; automotive industry. Said semi-transparent perovskite-based photovoltaic cell (or solar cell) can be used either in a stand alone mode or in modular systems.

A method for producing an organic electronic component. According to the method, an anode is provided. A first layer is applied to the anode, which acts in a hole injecting manner and has a first matrix material and a dopant embedded therein. The dopant is a p-type dopant having at least one material which has a lewis acidity at least partially or completely with regard to the matrix material. A second layer is applied to the first layer, the second layer acts in a hole-transporting manner to the first layer which acts in a hole-transporting manner. At least one light-emitting layer is applied to the second layer. A cathode is applied to the light-emitting layer.

A display apparatus includes: a first light emitting device arranged in the first display area; a first pixel circuit electrically connected to the first light emitting device; a second light emitting device arranged in the second display area; a second pixel circuit arranged in the peripheral area and electrically connected to the second light emitting device; an organic insulating layer arranged between the second light emitting device and the second pixel circuit; a connection line which electrically connects the second light emitting device and the second pixel circuit to each other and at least a portion of which is arranged in the second display area; and a phase compensation layer arranged in the second display area to overlap the connection line in a plan view, wherein a refractive index of the phase compensation layer is lower than a refractive index of the organic insulating layer.

Provided is a display panel, which relates to the field of display technology. The display panel includes: a base substrate, having a display region and a peripheral region around the display region; a pixel circuit layer, disposed on a side of the base substrate and in the display region; a pixel defining layer, disposed on a side of the pixel circuit layer away from the base substrate, wherein the pixel defining layer is provided with a plurality of pixel openings; a plurality of electroluminescent layers, disposed in the plurality of pixel openings; a first electrode layer, disposed on a side of the plurality of electroluminescent layers away from the base substrate; and an auxiliary electrode structure and a light-transmissive electrode patterning structure, wherein the auxiliary electrode structure and the electrode patterning structure are disposed on a side of the first electrode layer away from the base substrate.