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 fused polycyclic compounds is represented by the general formula (I): wherein X1 to X18 each represent, independently of one another, a hydrogen atom, a halogen atom, a cyano group, a nitro group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted aralkyl group, a substituted amino group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group.
摘要:
A novel fluorenylamine compound represented by a general formula below, where R1 to R6 are each independently selected from a hydrogen atom and alkyl groups; R21 to R23 are each independently selected from a hydrogen atom and the alkyl groups; and the alkyl groups are a methyl group, an ethyl group, a n-propyl group, an isopropyl group, a n-butyl group, an isobutyl group, a sec-butyl group, and a tert-butyl group.
摘要翻译:由以下通式表示的新颖的芴胺化合物,其中R 1至R 6各自独立地选自氢原子和烷基; R 21〜R 23各自独立地选自氢原子和烷基; 烷基是甲基,乙基,正丙基,异丙基,正丁基,异丁基,仲丁基和叔丁基。
摘要:
A fused polycyclic compounds is represented by the general formula (I): wherein X1 to X18 each represent, independently of one another, a hydrogen atom, a halogen atom, a cyano group, a nitro group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted aralkyl group, a substituted amino group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group.
摘要:
To provide a compound excellent in light emitting properties and an organic light emitting device having the compound. The compound is a 4-aminofluorene compound represented by the following general formula (1):
摘要:
The present invention provides an organic EL device utilizing phosphorescence which can be driven at a low voltage, which realizes high luminance and high efficiency, and which has a long lifetime. The organic EL device of the present invention includes an organic light-emitting layer composed of at least a host material and a dopant, wherein the dopant is a phosphorescent compound containing a halogen atom, and the host material is a linear aromatic compound having no aromatic substituent at a side thereof.
摘要:
Provided is a novel compound that can be suitably used as a compound for an organic EL device. The compound is represented by general formula (1): wherein x, y and z are an integer of 0 to 3 with x+z>1; R3, R15, R16, R17, and R18 are hydrogen or a linear or branched alkyl; R1, R2, R4, and R5 are hydrogen, a linear or branched alkyl, or a substituted or unsubstituted aryl with at least one being a substituted or unsubstituted aryl; A is hydrogen, a linear or branched alkyl, or group B: (wherein R6, R7, R8, R9, and R10 are hydrogen, a linear or branched alkyl, or a substituted or unsubstituted aryl); R11, R12, R13, and R14 are hydrogen, a linear or branched alkyl, or a substituted or unsubstituted aryl; and each CH on the benzene ring may be replaced by nitrogen.
摘要:
Provided is an organic light emitting device with enhanced durability during continuous driving. The organic light emitting device includes: an anode, a cathode, and an organic compound layer being placed between the anode and the cathode and including at least a hole transport layer and an emission layer, in which: the emission layer contains a blue light emitting material; the hole transport layer contains a plurality of kinds of organic compounds; and an organic compound having the smallest ionization potential among the organic compounds includes a compound having no absorption spectrum peak in a blue color wavelength region in a radical cation state.