887944-90-3Relevant articles and documents
Organic compounds and the electronic components and electronic devices in which they are used
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Paragraph 0197-0202, (2022/04/06)
The present application relates to an organic compound comprising an electron transport group and a conjugate fused heteroaromatic ring in structure, which may be used in the functional layer of an organic electroluminescent device. The organic compounds of the present application for organic electroluminescent devices may improve the luminous efficiency and service life of the device.
AROMATIC COMPOUND
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Paragraph 0366-0368, (2021/09/29)
PROBLEM TO BE SOLVED: To provide an aromatic compound which has excellent heat resistance and not too high charge transportability in a luminous layer. SOLUTION: The invention provides an aromatic compound represented by the general formula (1) in the figure, where R1, R2 and R3 are each as defined in the specification. SELECTED DRAWING: Figure 1 COPYRIGHT: (C)2021,JPOandINPIT
Thermal activation delayed fluorescence compound and application thereof
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Paragraph 0078; 0080; 0083-0084; 0089; 0091; 0094-0095, (2020/07/24)
The present invention relates to a novel organic compound having a structure represented by the following formula (1), wherein X is selected from O, S or Se; Y is selected from S or O; Ar1 and Ar2 areeach independently selected from one of a substituted or unsubstituted C5-C30 heteroaryl group, a substituted or unsubstituted C6-C30 arylamino group, and a substituted or unsubstituted C3-C30 heteroaryl amino group; L1 and L2 are each independently selected from one of a single bond, a substituted or unsubstituted C6-C30 arylene group, and a substituted or unsubstituted C3-C30 heteroarylene group; Z1 and Z6 are each independently selected from CH or N; Z2 and Z3 are independently selected from N, CH or CR1, respectively, and when m = 1, at least one of Z2 and Z3 is CR1; Z4 and Z5 are independently selected from N, CH or CR2, respectively; and when n = 1, at least one of Z4 and Z5 is CR2. The compound of the present invention exhibits excellent device performance and stability when used as a material in a light emitting layer in an OLED device. The invention also discloses an organic light-emitting device adopting the compound with the general formula.