A photoelectric conversion element of the present disclosure includes: a first electrode: a second electrode opposed to the first electrode; and an organic layer provided between the first electrode and the second electrode, and including an organic photoelectric conversion layer, and at least one layer included in the organic layer is formed including at least one kind of organic semiconductor material represented by a general expression (1).

##STR00001##

An organic compound having the structure of Formula (I), shown below, is disclosed. When used in a hole injection layer or a hole transporting layer, it can greatly improve the balance of electron holes and electron transporting of a device, thereby bringing excellent device effects, for example, improving the efficiency and lifetime of a device. At the same time, it also achieves a good effect when the organic compound having the structure of Formula (I) is used as a P-type conductive doping material in a charge generation layer of a multi-layer OLED device.

##STR00001##

An organic compound having the structure of Formula (I), shown below, is disclosed. When used in a hole injection layer or a hole transporting layer, it can greatly improve the balance of electron holes and electron transporting of a device, thereby bringing excellent device effects, for example, improving the efficiency and lifetime of a device. At the same time, it also achieves a good effect when the organic compound having the structure of Formula (I) is used as a P-type conductive doping material in a charge generation layer of a multi-layer OLED device.

##STR00001##

A compound which, when used for organic semiconductor films in organic thin-film transistors, makes the organic thin-film transistors exhibit a high carrier mobility, a material for an organic thin-film transistor for which the compound is used, a composition for an organic thin-film transistor, an organic thin-film transistor and a method for manufacturing the same, and an organic semiconductor film. The organic thin-film transistor contains a compound represented by General Formula (1) in an organic semiconductor film (organic semiconductor layer) thereof. ##STR00001##

A compound which, when used for organic semiconductor films in organic thin-film transistors, makes the organic thin-film transistors exhibit a high carrier mobility, a material for an organic thin-film transistor for which the compound is used, a composition for an organic thin-film transistor, an organic thin-film transistor and a method for manufacturing the same, and an organic semiconductor film. The organic thin-film transistor contains a compound represented by General Formula (1) in an organic semiconductor film (organic semiconductor layer) thereof. ##STR00001##

An organic compound is represented by Chemical Formula 1A or Chemical Formula 1B.

##STR00001##

In Chemical Formulas 1A and 1B, Ar.sup.1, Ar.sup.2, R.sup.1, R.sup.2, n, and m are each the same as in the detailed description.

An organic compound is represented by Chemical Formula 1A or Chemical Formula 1B.

##STR00001##

In Chemical Formulas 1A and 1B, Ar.sup.1, Ar.sup.2, R.sup.1, R.sup.2, n, and m are each the same as in the detailed description.

The present disclosure relates to a plurality of host materials comprising at least one first host compound and at least one second host compound and an organic electroluminescent device comprising the same. By comprising the specific combination of the compound according to the present disclosure as host materials, an organic electroluminescent device having low driving voltage, high luminous efficiency and long lifespan characteristics can be provided.

The present specification relates to a heterocyclic compound of Formula 1 and an organic photoelectric device including the same.

The present specification relates to a heterocyclic compound of Formula 1 and an organic photoelectric device including the same.