TECHNICAL FIELD

The invention relates to an organic electroluminescence device and an electronic apparatus.

BACKGROUND ART

When voltage is applied to an organic electroluminescence device (hereinafter, referred to as an organic EL device), holes and electrons are injected into an emitting layer from an anode and a cathode, respectively. Then, thus injected holes and electrons are recombined in the emitting layer, and excitons are formed therein.

The organic EL device includes the emitting layer between the anode and the cathode. Further, the organic EL device has a stacked structure including an organic layer such as a hole-injecting layer, a hole-transporting layer, an electron-injecting layer, and an electron-transporting layer in several cases.

Patent Documents 1 to 4 disclose deuterated aryl-anthracene compounds useful for electronic applications, and electronic devices in which the active layer contains such deuterated compound.

RELATED ART DOCUMENTS

Patent Documents

[Patent Document 1] WO 2010/099534 A1[Patent Document 2] WO 2010/135395 A1[Patent Document 3] WO 2011/028216 A1[Patent Document 4] WO 2010/071362 A1

SUMMARY OF THE INVENTION

It is an object of the invention to provide a long-lifetime organic electroluminescence device and electronic apparatus using a deuterated compound.

According to an aspect of the invention, the following organic electroluminescence device is provided.

An organic electroluminescence device comprising:

an anode,

a cathode, and

an emitting region between the anode and the cathode, wherein

the emitting region comprises a first emitting layer and a second emitting layer,

the first emitting layer and the second emitting layer are directly adjacent to each other,

the first emitting layer is between the anode and the second emitting layer, and

one of the first emitting layer and the second emitting layer comprises a compound having at least one deuterium atom.

According to another aspect of the invention, an electronic apparatus equipped with the organic electroluminescence device is provided.

According to the invention, a long-lifetime organic electroluminescence device and electronic apparatus can be provided by using deuterated compounds.

