One object of this invention is to provide a novel light-emitting device with low power consumption. The light-emitting device includes a first light-emitting element and a second light-emitting element. The first light-emitting element includes a first electrode, a second electrode, and a light-emitting layer. The second light-emitting element includes the first electrode, a third electrode, and the light-emitting layer. The second electrode comprises only a first conductive film, and the third electrode comprises a second conductive film and a third conductive film. The first electrode has a function of reflecting light. The second conductive film has functions of reflecting light and transmitting light. The first conductive film and the third conductive film each have a function of transmitting light.

The present invention relates to an organic electronic device comprising a semiconductor layer which comprises a compound of formula (1).

The present disclosure provides coinage metal carbene emitters of Formula I; organic light emitting device (OLED) comprising an anode, a cathode, and an organic layer, disposed between the anode and the cathode, comprising a compound of Formula I; and consumer products comprising an OLED comprising a compound of Formula I:

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Inorganic-organic hybrid structures having both ionic and coordinate bonds in a molecular cluster possessing the features of structural diversity, high luminescence and stability, and excellent dispersibility, suitable for use as lighting phosphors.

To provide an organic electroluminescent device having high efficiency and high driving stability while having a low driving voltage. The organic electroluminescent device has one or more light-emitting layers between an anode and a cathode opposed to each other, wherein at least one of the light-emitting layers is a light-emitting layer composed of a vapor deposition layer containing a first host, a second host and a light-emitting dopant material; the first host is selected from oligopyridine compounds represented by the general formula (1); and the second host is selected from carbazole compounds having two or more carbazole rings, indolocarbazole compounds having an indolocarbazole ring or compounds having a carbazole ring and an indolocarbazole ring.

An electroluminescent device, a display substrate, and a display apparatus. The electroluminescent device comprises: an electron transport layer (1) and a quantum dot light emitting layer (3) that are arranged in a stack mode; and an ionic complex layer (2) located between the electron transport layer (1) and the quantum dot light emitting layer (3), wherein a built-in electric field is formed in the ionic complex layer (2).

An organic light-emitting device including a first electrode, a second electrode, and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer includes an emission layer, the emission layer includes a host, a dopant, and a sensitizer, the host does not include a metal atom, the dopant emits light, and the light has a decay time of about 100 nanoseconds or less, and the sensitizer includes an organometallic compound represented by one selected from Formulae 1 and 2 described in the specification.

The present invention relates to an organic electronic device comprising an anode layer, a cathode layer and a hole injection layer, wherein the hole injection layer is arranged between the anode layer and the cathode layer and wherein the hole injection layer comprises a hole transport compound and a metal complex.

The present invention relates to an organic electronic device comprising an anode layer, a cathode layer, at least one emission layer (EML) and at least one hole injection layer (HIL), wherein the hole injection layer is arranged between the anode layer and the at least one emission layer.

Metal oxide particles have p-type semiconductivity. The metal oxide particles have a volume-based particle size distribution having a first local maximum value and a second local maximum value. The first local maximum value is in a range of 0.1 μm or more and less than 5 μm, and the second local maximum value is in a range of 5 μm or more and less than 50 μm. A ratio of the second local maximum value to the first local maximum value is 0.5 or more and less than 2.0. 99% by volume or more of the metal oxide particles have a particle diameter in a range of from 0.1 to 50 μm.