NITROGEN-CONTAINING COMPOUND, ORGANIC ELECTROLUMINESCENT DEVICE, AND ELECTRONIC APPARATUS
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Feb 27, 2023
filing date -
Feb 27, 2023
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Abstract
The application relates to the technical field of organic electroluminescent materials, and provides a nitrogen-containing compound, and an organic electroluminescent device and an electronic apparatus including the nitrogen-containing compound. The compound of the application has a core structure that is an indolocarbazolyl group fused with cyclohexane. The compound, when used as a host material of an light emitting layer, can improve balance of charge carriers in the light emitting layer, expand a region where the carriers recombine, improve generation and utilization efficiency of excitons as well as luminescence efficiency and service life of the device.
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