The present invention relates to compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices, and to electronic devices which comprise these compounds.

The present invention relates to compounds of the formula (1) which are suitable for use in electronic devices, in particular organic electroluminescent devices, and to electronic devices which comprise these compounds.

The present invention relates to a process to produce compounds of the formula (1) which are suitable for use in electronic devices, as well as to intermediate compounds of formula (Int-1) and compounds of formula (1-1) and (1-2) obtained via the process. These compounds are particularly suitable for use organic electroluminescent devices. The present invention also relate to electronic devices, which comprise these compounds.

The present invention relates to a process to produce compounds of the formula (1) which are suitable for use in electronic devices, as well as to intermediate compounds of formula (Int-1) and compounds of formula (1-1) and (1-2) obtained via the process. These compounds are particularly suitable for use organic electroluminescent devices. The present invention also relate to electronic devices, which comprise these compounds.

The present application relates to the technical field of organic materials, and provides a nitrogen-containing compound, an electronic element and an electronic apparatus. The structure of the nitrogen-containing compound is shown as Chemical formula 1. The nitrogen-containing compound can improve the performance of the electronic element. Ar is II, and X is selected from O or S; L.sub.1 is III, and in L.sub.1, “#” represents a connection point between the phenylene of L.sub.1 and N, and “##” represents a connection point between the phenylene of L.sub.1 and IV; L.sub.2 is V, and in L.sub.2, “#” represents a connection point between the phenylene of L.sub.2 and N, and “##” represents a connection point between the phenylene of L.sub.2 and R.sub.4. ##STR00001##

The present application relates to the technical field of organic materials, and provides a nitrogen-containing compound, an electronic element and an electronic apparatus. The structure of the nitrogen-containing compound is shown as Chemical formula 1. The nitrogen-containing compound can improve the performance of the electronic element. Ar is II, and X is selected from O or S; L.sub.1 is III, and in L.sub.1, “#” represents a connection point between the phenylene of L.sub.1 and N, and “##” represents a connection point between the phenylene of L.sub.1 and IV; L.sub.2 is V, and in L.sub.2, “#” represents a connection point between the phenylene of L.sub.2 and N, and “##” represents a connection point between the phenylene of L.sub.2 and R.sub.4. ##STR00001##

Provided are an organic electroluminescence device, which shows high luminous efficiency, is free of any pixel defect, and has a long lifetime, and a material for an organic electroluminescence device for realizing the device. The material for an organic electroluminescence device is a compound having a π-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, oxygen atom, or sulfur atom. The organic electroluminescence device has one or more organic thin film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin film layers contains the material for an organic electroluminescence device.

Provided are an organic electroluminescence device, which shows high luminous efficiency, is free of any pixel defect, and has a long lifetime, and a material for an organic electroluminescence device for realizing the device. The material for an organic electroluminescence device is a compound having a π-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, oxygen atom, or sulfur atom. The organic electroluminescence device has one or more organic thin film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin film layers contains the material for an organic electroluminescence device.

An organic photodetector includes: a first electrode; a second electrode facing the first electrode; an activation layer between the first electrode and the second electrode; a hole injection layer between the first electrode and the activation layer; and a hole transport layer between the hole injection layer and the activation layer, wherein the hole transport layer includes: a first hole transport layer including a p-dopant; and a second hole transport layer not including a p-dopant.

An organic photodetector includes: a first electrode; a second electrode facing the first electrode; an activation layer between the first electrode and the second electrode; a hole injection layer between the first electrode and the activation layer; and a hole transport layer between the hole injection layer and the activation layer, wherein the hole transport layer includes: a first hole transport layer including a p-dopant; and a second hole transport layer not including a p-dopant.