The disclosure provides a compound, an organic electroluminescent device and a display device. Wherein, the compound has a structure as shown in Formula I. The introduction of a substituent Ar.sup.2 at the 1-position of naphthalene ring can not only adjust the adjacent steric hindrance size, but also effectively regulate the distortion degree of a molecule so as to reduce the crystallinity of the molecule. Secondly, an arylamino group is introduced at the 2-position, and the introduction of a trisubstituted structure on the arylamino group can effectively regulate the stereostructure of the molecule, improve the packing density of the molecule, so that the materials designed can meet the requirements of devices for materials. The compound of the disclosure can improve the luminous efficiency, reduce the starting voltage and prolong the service life of the device when it is applied to the organic electroluminescent device.

A light-emitting device includes a first electrode and a second electrode that are arranged sequentially, and a light-emitting layer disposed between the first electrode and the second electrode; a material of the light-emitting layer includes a host material and a guest material; the host material includes a p-type material and an n-type material, the p-type material and the n-type material form an exciplex, and the p-type material and the n-type material satisfy a following condition: |HOMO.sub.p-type−HOMO.sub.n-type|≤0.2 eV; HOMO.sub.p-type represents a highest occupied molecular orbital (HOMO) energy level of the p-type material, and HOMO.sub.n-type represents a HOMO energy level of the n-type material.

The present application relates to an organic compound, and an electronic device and electronic apparatus thereof. The organic compound of the present application has a structural formula shown in formula 1. When used in an electronic device, the organic compound of the present application can significantly improve the performance of the electronic device.

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An organic light emitting display device includes a substrate including first to third pixel regions; and an organic light emitting diode including a transparent electrode, a reflective electrode and a light emitting layer between the transparent electrode and the reflective electrode. The light emitting layer in the organic light emitting diode in the first pixel region includes a first emitting part including a first emitting material layer and a second emitting part including a second emitting material layer. The light emitting layer in the organic light emitting diode in the second pixel region includes a third emitting part including a third emitting material layer and fourth emitting part including a fourth emitting material layer. Each of the first and fourth emitting material layers is a fluorescent emitting layer, and each of the second and third emitting material layers is a phosphorescent emitting layer.

A light emitting element and an amine compound for the light emitting element are provided. The light emitting element of an embodiment includes a first electrode, a second electrode disposed on the first electrode and at least one functional layer disposed between the first electrode and the second electrode, wherein the functional layer includes the amine compound represented by a specific chemical structure, thereby improving the emission efficiency and element life of the light emitting element.

A light emitting element and an amine compound for the light emitting element are provided. The light emitting element includes a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode The functional layer includes the amine compound and the luminous efficiency and service life of the light emitting element is improved.

According to one embodiment, a display device includes a first electrode, an organic layer disposed on the first electrode, and a second electrode covering the organic layer. The organic layer includes a first layer having a first edge portion and a second layer between the first layer and the second electrode. The second layer covers the first edge portion.

A light-emitting device includes a first light-emitting layer disposed between a cathode and an anode and having a light emission central wavelength being a first wavelength; a second light-emitting layer disposed between the anode and the first light-emitting layer, having a light emission central wavelength being a second wavelength shorter than the first wavelength, and having an electron affinity lower than an electron affinity of the first light-emitting layer; and a first electron transport layer disposed between the first light-emitting layer and the second light-emitting layer in the second light-emitting region and having magnitude of an electron affinity between an electron affinity of the first light-emitting layer and an electron affinity of the second light-emitting layer.

The present disclosure belongs to the field of organic materials, and relates to an organic compound, and an electronic component and electronic device having same. The organic compound has a structure represented by a formula 1, and when the organic compound is applied in an organic electroluminescent device, the performance of the device can be significantly improved.

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The present disclosure provides an OLED display device, a display panel and a manufacturing method of the OLED display device, and belongs to the field of display technology. The OLED display device includes a light-emitting layer, a material of the light-emitting layer includes a host light-emitting material and a carrier balance material doped in the host light-emitting material; and the carrier balance material is used for balancing an electron mobility and a hole mobility of the light-emitting layer.