Provided are a compound of Formula 7 improving the luminous efficiency, stability and life span of an organic electronic element employing the compound, the organic electronic element, and an electronic device thereof.

The present invention relates to an organic electric element and a display device using the same as a hole transport layer comprising a composition composed of two or more compounds having similar structures to improve luminous efficiency, stability and life span of an electric element, and an electronic device including the same.

The present invention relates to an organic electric element and a display device using the same as a hole transport layer comprising a composition composed of two or more compounds having similar structures to improve luminous efficiency, stability and life span of an electric element, and an electronic device including the same.

A blue electroluminescent device includes: an anode, a light-emitting layer and a cathode stacked in sequence; wherein the light-emitting layer comprises a first type host material, a second type host material, and a guest doped material, one of the first type host material and the second type host material is a P-type material, and the other of the first type host material and the second type host material is a N-type material. A display panel and a display device are further provided.

A light emitting component is disclosed. In an embodiment a light-emitting device includes at least one active layer stack configured to generate light, a first electrode electrically contacting the at least one active layer stack, a second electrode electrically contacting the at least one active layer stack and at least one light-emitting face for emitting light. The device further includes a first contact structure electrically conductively connected to the first electrode and a second contact structure electrically conductively connected to the second electrode, wherein the first contact structure laterally surrounds a major part of the at least one light-emitting face and a major part of the second contact structure, and wherein the second contact structure laterally surrounds a major part of the at least one light-emitting face.

Embodiment of the present disclosure discloses an organic light emitting display device and apparatus, the organic light emitting display device includes a first electrode and a second electrode disposed opposite to each other, a light emitting layer positioned between the first electrode and the second electrode, and a cap layer positioned on a side surface of the second electrode facing away from the light emitting layer, wherein the cap layer includes at least two composite layers, the refractive index of the composite layer of the at least two composite layers closer to the second electrode is greater than that of the other composite layer further away from the second electrode in the range of wavelength of 400 nm to 700 nm.

The present invention relates to organic light emitting devices with a multi-emissive material layer (EML), where a multi-EML generally refers to an emissive layer having at least two layers of emissive material, each layer having a different emitter concentration (e.g. a first EML in direct contact with a second EML, and the emitter concentration of the first EML (hole favorable) exceeds that of the second EML (electron favorable)).

A condensed cyclic compound and an organic light-emitting device, the compound being represented by Formula 1:
(A.sub.1).sub.a1-(L.sub.1).sub.b1-(A.sub.2).sub.a2  <Formula 1> wherein, in Formula 1, A.sub.1 is a group represented by Formula 2-1, below, a1 is 1, 2, or 3, and, when a1 is 2 or greater, two or more A.sub.1s are identical to or different from each other, A.sub.2 is a group represented by Formula 2-2, below, a2 is 1, 2, or 3, and, when a2 is 2 or greater, two or more A.sub.2s are identical to or different from each other, ##STR00001##

The present disclosure provides a quantum dot device baseplate, a manufacture method therefor and a quantum dot device. The quantum dot device baseplate comprises: a substrate; a cathode disposed on the substrate; an electron transport layer disposed on a surface of the cathode away from the substrate; a linking layer disposed on a surface of the electron transport layer away from the substrate and bonded to the electron transport layer via a chemical bond; and a quantum dot layer disposed on a surface of the linking layer away from the substrate and bonded to the linking layer via a chemical bond.

Described herein are methods of synthesizing metal nanoparticles and the metal nanoparticles synthesized therefrom. Further described in the present disclosure are methods of modifying the surfaces of metal nanoparticles and the metal nanoparticles modified thereby. Also described herein are uses of such metal nanoparticles.