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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

The obtained solid was subjected to nuclear magnetic resonance spectrometry (1H NMR), and the results are shown below.

1H-NMR δ(TCE-d2): 7.22-7.26 (m, 2H), 7.36-7.61 (m, 21H), 7.68-7.73 (m, 3H), 7.77 (d, 1H), 7.81 (d, 1H), 7.88 (d, 1H), 8.01-8.05 (t, 2H), 8.11 (d, 1H), 8.14 (d, 1H), 8.20-8.29 (m, 5H), 8.35 (s, 1H), 8.42 (s, 1H), 8.65 (s, 1H), 9.33 (s, 1H).

FIGS. 14A and 14B are 1H NMR charts of the obtained solid. Note that FIG. 14B is a chart showing an enlarged part in the range of 7.0 ppm to 9.6 ppm of FIG. 14A. The results revealed that 4,8PCCz2Bfpm-02, which was the target substance, was obtained.

<Characteristics of 4,8PCCz2Bfpm-02>

Next, 4,8PCCz2Bfpm-02 obtained in this example was analyzed by LC/MS. The results are shown in FIG. 15. The analysis method was the same as that in the above example. In the MS analysis, a component with m/z of 987.34 was measured by a Targeted-MS2 method.

FIG. 15 shows that product ions of 4,8PCCz2Bfpm-02 are mainly detected around m/z=906, 575, 548, 434, and 408. Note that the results in FIG. 15 show characteristics derived from 4,8PCCz2Bfpm-02 and thus can be regarded as important data for identifying 4,8PCCz2Bfpm-02 contained in a mixture.

The product ion around m/z=905 is presumed to be a cation generated due to dissociation of a phenyl group in 4,8PCCz2Bfpm-02. The product ion around m/z=575 is presumed to be a cation generated due to further dissociation of a bicarbazolyl group. These data suggest that 4,8PCCz2Bfpm-02 includes a phenylbicarbazolyl group.

權(quán)利要求

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