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Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device

專利號
US10868258B2
公開日期
2020-12-15
申請人
Semiconductor Energy Laboratory Co., Ltd.
發(fā)明人
Miki Kurihara; Hideko Yoshizumi; Hiromitsu Kido; Tatsuyoshi Takahashi; Satoshi Seo
IPC分類
H01L51/50; H01L51/00; C07D491/048; C07D495/04
技術(shù)領(lǐng)域
emitting,light,skeleton,8cz,layer,compound,in,phenyl,material,electron
地域： Kanagawa-ken

摘要

A novel organic compound is provided. Moreover, a light-emitting element with high emission efficiency and a long lifetime is provided. A novel organic compound having a bicarbazole skeleton and a benzofuropyrimidine skeleton or a benzothienopyrimidine skeleton that includes at least one condensed ring or two condensed rings is provided. Moreover, a light-emitting element including the organic compound is provided.

說明書

FIG. 26 shows current density-voltage characteristics of light-emitting elements in Example;

FIG. 27 shows external quantum efficiency-luminance characteristics of light-emitting elements in Example;

FIG. 28 shows emission spectra of light-emitting elements in Example; and

FIG. 29 shows reliability test results of light-emitting elements in Example.

DETAILED DESCRIPTION OF THE INVENTION

Hereinafter, embodiments of the present invention will be described. Note that it is easily understood by those skilled in the art that modes and details disclosed herein can be modified in various ways without departing from the spirit and scope of the present invention. Therefore, the invention disclosed in this specification should not be interpreted as being limited to the description in the embodiments.

Note that in each drawing described in this specification, the size, the thickness, and the like of components such as an anode, an EL layer, an intermediate layer, and a cathode are exaggerated for clarity in some cases. Therefore, the sizes of the components are not limited to the sizes in the drawings and relative sizes between the components.

權(quán)利要求

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