摘要:
A bibenzo[d]imidazolidene compound inert to oxygen is provided. An aspect of the invention provides a 1,1',3,3'-tetraphenyl-2,2'-bibenzo[d]imidazolidene compound according to Claim 1, which is represented by general formula (1). In formula (1), R 1 to R 28 are each independently selected from a hydrogen atom and a substituent. The substituent is any of a halogen atom, an alkyl group containing 1 or more and 8 or less carbon atoms, and a substituted or unsubstituted aryl group. At least one of R 1 to R 28 is the substituent.
摘要翻译:提供了对氧惰性的双苯并[d]咪唑烷化合物。 本发明的一个方面提供了由通式(1)表示的根据权利要求1的1,1',3,3'-四苯基-2,2'-联苯并[d]咪唑烷化合物。 在式(1)中,R 1至R 28各自独立地选自氢原子和取代基。 取代基是卤素原子,含有1个以上且8个以下碳原子的烷基和取代或未取代的芳基中的任一个。 R 1至R 28中的至少一个为取代基。
摘要:
A novel organic compound suitable for blue-light-emitting devices and an organic light-emitting device including the compound are provided. An organic compound represented by Formula [1] according to Claim 1 is provided. In Formula [1], R 1 to R 16 each independently represent a group selected from a hydrogen atom, a cyano group, substituted or unsubstituted alkyl groups, substituted or unsubstituted aryl groups, and substituted or unsubstituted heterocyclic groups.
摘要:
An organic photoelectric conversion element includes an anode, a cathode, and a photoelectric conversion portion between the anode and the cathode. The photoelectric conversion portion includes a first organic compound layer containing an organic compound. Also, a second organic compound layer is disposed between the cathode and the photoelectric conversion portion. The second organic compound layer contains an organic compound having an ionization potential of 5.1 eV or less and a band gap of 2.5 eV or more.
摘要:
Provided is an organic light emitting device having high emission efficiency and a long continuous driving lifetime. The organic light emitting device includes: an anode; a cathode; and an emitting layer placed between the anode and the cathode, in which: the emitting layer contains an emitting material that emits fluorescence; and in an emission wavelength region of the emitting material, an absorption peak of an absorption spectrum in a minimum excited triplet state of a material having a smallest minimum excited triplet energy out of constituent materials in the emitting layer is absent.
摘要:
The present invention provides a novel fused polycyclic compound suitably used for a blue light emitting element and an organic light emitting element including the fused polycyclic compound. A fused polycyclic compound is represented by at least one of the general formulas [1] and [2] according to Claim 1. In the general formulas [1] and [2], R 1 to R 20 each represent a hydrogen atom or a substituent.
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.