ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC APPARATUS

To provide a long-life organic EL device.SOLUTION: An organic electroluminescent element includes a cathode, an anode, and an organic layer arranged between the cathode and the anode, and the organic layer includes a light emitting layer and a first layer, and the first layer is arranged between the...

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Bibliographic Details
Main Authors HAKETA TADASU, NISHIMURA KAZUKI
Format Patent
LanguageEnglish
Japanese
Published 15.04.2021
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Summary:To provide a long-life organic EL device.SOLUTION: An organic electroluminescent element includes a cathode, an anode, and an organic layer arranged between the cathode and the anode, and the organic layer includes a light emitting layer and a first layer, and the first layer is arranged between the anode and the light emitting layer, and the first layer includes a first hole transport material represented by the following formula (1) and a second hole transport material represented by the following formula (11).SELECTED DRAWING: Figure 1 【課題】長寿命の有機ＥＬ素子を提供する。【解決手段】陰極と、陽極と、前記陰極と前記陽極との間に配置された有機層を有する有機エレクトロルミネッセンス素子であって、前記有機層は、発光層と第１の層とを含み、前記第１の層は、前記陽極と前記発光層の間に配置され、前記第１の層は、下記式（１）で表される第１の正孔輸送材料と、下記式（１１）で表される第２の正孔輸送材料とを含む、有機エレクトロルミネッセンス素子。【選択図】図１
Bibliography:Application Number: JP20190184169