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

專利號(hào)
US10868258B2
公開(kāi)日期
2020-12-15
申請(qǐng)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(shuō)明書

BACKGROUND OF THE INVENTION 1. Field of the Invention

One embodiment of the present invention relates to a novel organic compound. One embodiment of the present invention relates to a benzofuro[3,2-d]pyrimidine compound or a benzothieno[3,2-d]pyrimidine compound that has a bicarbazole skeleton and a condensed ring. In addition, one embodiment of the present invention relates to a light-emitting element, a light-emitting device, an electronic device, and a lighting device each of which includes the organic compound.

Note that one embodiment of the present invention is not limited to the above technical field. One embodiment of the present invention relates to an object, a method, or a manufacturing method. The present invention relates to a process, a machine, manufacture, or a composition of matter. In particular, one embodiment of the present invention relates to a semiconductor device, a light-emitting device, a display device, a lighting device, a light-emitting element, or a manufacturing method thereof. In addition, one embodiment of the present invention relates to a novel method for synthesizing a benzofuropyrimidine compound or a benzothienopyrimidine compound that has a bicarbazole skeleton and a condensed ring. Thus, specific examples of one embodiment of the present invention disclosed in this specification include a light-emitting element, a light-emitting device, an electronic device, and a lighting device, each of which includes the organic compound, and a manufacturing method thereof.

2. Description of the Related Art

權(quán)利要求

1
What is claimed is:1. An organic compound represented by General Formula (G0):embedded imagewherein A represents a substituted or unsubstituted benzofuro[3,2-d]pyrimidine skeleton having a carbazole ring as a substituent; each of R1 to R15 independently represents any of hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 7 carbon atoms, and a substituted or unsubstituted aryl group having 6 to 13 carbon atoms;and Ar represents a substituted or unsubstituted arylene group having 6 to 25 carbon atoms, or a single bond.2. The organic compound according to claim 1, wherein the Ar is bonded to a 4-position of the benzofuro[3,2-d]pyrimidine skeleton.3. The organic compound according to claim 1, the organic compound is represented by General Formula (G1):embedded imagewherein Q represents oxygen; any one of R16 to R20 represents a substituent having a carbazole ring as a substituent and each of the others independently represents any of hydrogen, a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 7 carbon atoms, and a substituted or unsubstituted aryl group having 6 to 13 carbon atoms.4. An organic compound represented by General Formula (G2):embedded imagewherein Q represents oxygen; each of R1 to R19 independently represents any of hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 7 carbon atoms, and a substituted or unsubstituted aryl group having 6 to 13 carbon atoms; Ar represents a substituted or unsubstituted arylene group having 6 to 25 carbon atoms, or a single bond; and B represents a substituent having a carbazole ring as a substituent.5. The organic compound according to claim 4, the organic compound is represented by General Formula (G3):embedded image6. The organic compound according to claim 5, the organic compound is represented by General Formula (G4):embedded imagewherein each of R20 to R27 independently represents any of hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 7 carbon atoms, and a substituted or unsubstituted aryl group having 6 to 13 carbon atoms.7. The organic compound according to claim 6, the organic compound is represented by General Formula (G6):embedded image8. A light-emitting element comprising:a pair of electrode; anda layer provided between the pair of electrode, the layer comprises an organic compound represented by General Formula (G0),embedded imagewherein A represents a substituted or unsubstituted benzofuro[3,2-d]pyrimidine skeleton having a carbazole ring as a substituent; each of R1 to R15 independently represents any of hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 7 carbon atoms, and a substituted or unsubstituted aryl group having 6 to 13 carbon atoms;and Ar represents a substituted or unsubstituted arylene group having 6 to 25 carbon atoms, or a single bond.9. The light-emitting element according to claim 8,wherein the Ar is bonded to a 4-position of the benzofuro[3,2-d]pyrimidine skeleton.10. The light-emitting element according to claim 8, the light-emitting element is configured to emit light containing a component including delayed fluorescence.11. The light-emitting element according to claim 8, further comprising a phosphorescent material.12. A light-emitting device comprising:a light-emitting portion comprising the light-emitting element according to claim 8; anda substrate.
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