摘要:
Aspects of the present invention provide a blue organic light-emitting device having a continuous operation lifetime.An organic light-emitting device includes a light-emitting layer containing a dopant having the ability to trap electrons or holes, and a hole-blocking layer or electron-blocking layer, in which the difference between the LUMO of the dopant and the LUMO of a host material, the size relationship between the HOMO of the host material and the HOMO of the dopant, and the difference between the T1 of the host material and the T1 of the hole-blocking layer or between the T1 of the host material and the T1 of the electron-blocking layer, are specified.
摘要:
Aspects of the present invention provide a blue organic light-emitting device having a continuous operation lifetime.An organic light-emitting device includes a light-emitting layer containing a dopant having the ability to trap electrons or holes, and a hole-blocking layer or electron-blocking layer, in which the difference between the LUMO of the dopant and the LUMO of a host material, the size relationship between the HOMO of the host material and the HOMO of the dopant, and the difference between the T1 of the host material and the T1 of the hole-blocking layer or between the T1 of the host material and the T1 of the electron-blocking layer, are specified.
摘要:
A benzopyrene compound represented by a general formula [1] below, where one of X1 and X2 represents a substituted or unsubstituted aryl group; another one of X1 and X2 represents a hydrogen atom; R represents an alkyl group; and n represents 0 or 1.
摘要:
A benzopyrene compound represented by a general formula [1] below, where one of X1 and X2 represents a substituted or unsubstituted aryl group; another one of X1 and X2 represents a hydrogen atom; R represents an alkyl group; and n represents 0 or 1.
摘要:
A condensed polycyclic compound represented by the following general formula [1], wherein, in General Formula [1], R1, R6, R7, and R12 each are independently selected from a hydrogen atom, an alkyl group, or an aryl group, the aryl group may have an alkyl group and a fluorine atom as a substituent, and R2 to R5 and R8 to R11 each are independently selected from a hydrogen atom and an alkyl group.
摘要:
Aspects of the present invention can provide a novel phenanthrothiadiazole compound with the lowest excited triplet level T1 that is high, the phenanthrothiadiazole compound being capable of forming a stable amorphous film. Furthermore, aspects of the present invention can provide an organic light-emitting device having high luminous efficiency and a low driving voltage.Aspects of the present invention provide a phenanthrothiadiazole compound represented by one of general formulae [1] to [3] according to Claim 1.
摘要:
An organic compound represented by the following general formula [1] is provided. In the general formula [1], R1 to R3 are each independently selected from the group consisting of a hydrogen atom, a fluorine group, an alkyl group having 1 to 4 carbon atoms, and an aryl group, the aryl group is a phenyl group, a biphenyl group, or a terphenyl group, the aryl group may further include an alkyl group having 1 to 4 carbon atoms and/or a fluorine group as a substituent, and R4 to R17 are each independently selected from the group consisting of a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, and a fluorine group.
摘要:
Provided are an organic compound expressed by General Formula (1) and an organic light-emitting element using the organic compound: wherein R1 to R4 are each hydrogen, an alkyl group or an aryl group.