摘要:
An organic electroluminescent device comprising a pair of electrodes and a light emitting layer, a hole transport layer containing a hole transporting material, and an electron transport layer provided between the pair of electrodes wherein, the light emitting layer contains at least two host materials and at least one red phosphorescent material, and the hole transporting material in the hole transport layer has a small ionization potential than the two host materials in the light emitting layer.
摘要:
An organic electroluminescent device comprising a pair of electrodes and a light emitting layer, a hole transport layer containing a hole transporting material, and an electron transport layer provided between the pair of electrodes wherein, the light emitting layer contains at least two host materials and at least one red phosphorescent material, and the hole transporting material in the hole transport layer has a small ionization potential than the two host materials in the light emitting layer.
摘要:
A light-emitting element having excellent light-emitting properties and with which it is possible to emit blue light at a high luminance for a long period of time, and an iridium complex for realizing the same. The light-emitting element has an external quantum efficiency of at least 5% and a light emission maximum wavelength λ max of no more than 500 nm. Further, there is provided a light-emitting element including a light-emitting layer or a plurality of organic compound layers having the light-emitting layer, with at least one of the compound layers including at least one kind of a compound having a partial structure represented by the general formula K-0. In the general formula K-0, R1 to R7 each independently represents a hydrogen atom or a substituent, provided that if R2 is a fluorine atom, R3 is not a hydrogen atom.
摘要:
A light-emitting element having excellent light-emitting properties and with which it is possible to emit blue light at a high luminance for a long period of time, and an iridium complex for realizing the same. The light-emitting element has an external quantum efficiency of at least 5% and a light emission maximum wavelength λmax of no more than 500 nm. Further, there is provided a light-emitting element including a light-emitting layer or a plurality of organic compound layers having the light-emitting layer, with at least one of the compound layers including at least one kind of a compound having a partial structure represented by the general formula K-0. In the general formula K-0, R1 to R7 each independently represents a hydrogen atom or a substituent, provided that if R2 is a fluorine atom, R3 is not a hydrogen atom
摘要:
An organic electroluminescent device comprising: a pair of electrode; and at least one organic layer between the pair of electrode, the at least one organic layer including a luminescent layer, wherein the luminescent layer contains at least one phosphorescent material and at least one compound represented by the formula (I) defined herein.
摘要:
A light emitting element comprising at least a light emitting layer containing a light emitting material and a host material and having a light emission maximum wavelength of 500 nm or less wherein the minimum excitation triplet energy level of the host material is higher than the minimum excitation triplet energy level of the light emitting material.
摘要:
The present invention provides an organic light-emitting device material such as electron-transporting material and light-emitting material capable of emitting light having a high luminance and color purity. A novel organic light-emitting material is provided comprising a compound having a partial structure represented by the following general formula (I): wherein R11 and R12 each represent a hydrogen atom or substituent, with the proviso that R11 and R12 are not bonded to form a benzo condensed ring; X1 represents an oxygen atom, a sulfur atom, a substituted or unsubstituted nitrogen atom or —C(R13)R14—; R13 and R14 each represent a hydrogen atom or a substituent; Y1 represents an oxygen atom, a sulfur atom or a substituted or unsubstituted nitrogen atom; M1 represents a metal ion or a hydrogen atom; and Z1 represents an atomic group required to form a 5- or 6-membered ring.
摘要:
A light-emitting element having excellent light-emitting properties and with which it is possible to emit blue light at a high luminance for a long period of time, and an iridium complex for realizing the same. The light-emitting element has an external quantum efficiency of at least 5% and a light emission maximum wavelength λ max of no more than 500 nm. Further, there is provided a light-emitting element including a light-emitting layer or a plurality of organic compound layers having the light-emitting layer, with at least one of the compound layers including at least one kind of a compound having a partial structure represented by the general formula K-0. In the general formula K-0, R1 to R7 each independently represents a hydrogen atom or a substituent, provided that if R2 is a fluorine atom, R3 is not a hydrogen atom.
摘要:
A light emitting element comprising at least a light emitting layer containing a light emitting material and a host material and having a light emission maximum wavelength of 500 nm or less wherein the minimum excitation triplet energy level of the host material is higher than the minimum excitation triplet energy level of the light emitting material.
摘要:
An organic electroluminescent element comprising: a pair of electrodes; and an organic layer provided between the pair of electrodes, the organic layer comprising a light-emitting layer and an electron transporting layer, wherein the light-emitting layer contains at least one phosphorescence-emitting material and at least one metal complex functioning as a host material, and the electron transporting layer contains a compound represented by the formula (E-I): LA)m (E-I) wherein A represents a monovalent heterocyclic group wherein two or more aromatic hetero rings are condensed, the heterocyclic groups represented by A is the same or different from each other, m represents an integer of 2 or more, and L represents an m-valent linking group.
摘要翻译:一种有机电致发光元件,包括:一对电极; 以及设置在所述一对电极之间的有机层,所述有机层包括发光层和电子传输层,其中所述发光层含有至少一种磷光发射材料和至少一种用作主体的金属络合物 材料,电子传输层含有式(EI)表示的化合物:<?in-line-formula description =“In-line Formulas”end =“lead”?> L