摘要:
An organic electroluminescent element comprising an anode and a cathode having therebetween an emission layer containing a phosphorescent compound and an layer adjacent to the emission layer, the layer adjacent to the emission layer being provided between the emission layer and the cathode, wherein the layer adjacent to the emission layer comprises a compound having an electron withdrawing group; and the compound exhibits a HOMO level of −5.7 to −7.0 eV and a LUMO level of −1.3 to −2.3 eV.
摘要:
The present invention provides: an organic EL element exhibiting high luminance, a high external quantum efficiency and a long high temperature driving life at 50° C.; an illuminator and a display device employing the organic EL element; and a material preferably used for the organic EL element.
摘要:
An organic electroluminescent element is disclosed. The organic electroluminescent element has a micro optical resonator structures, an organic electroluminescent member emitting light within the color region of bluish purple and a color conversion member emitting visible fluorescent by absorbing the light emitted from the organic light emitting member.
摘要:
An organic electroluminescent element comprising a metal complex represented by Formula (1), wherein Z is a hydrocarbon ring or a heterocyclic ring, provided that each of the hydrocarbon ring and the heterocyclic ring has a substituent having a steric parameter (Es) of −0.5 or less at the third atom of the ring counted from a nitrogen atom attached to Z, the nitrogen atom being counted as the first atom, X, Y, A, B, X1-L1-X2, M1, m1 and m2 are described in the specification.
摘要:
An object of the present invention is to provide an organic electroluminescent element that has low drive voltage, high emission efficiency, long endurance and an excellent effect of preventing generation of dark spots. Another object of the present invention is to provide a lighting device and a display device each including the organic electroluminescent element. The organic electroluminescent element according to the present invention includes an anode, a cathode, and an emissive layer, and the organic electroluminescent element includes a layer containing compound A that has a difference of 0 nm or more and 5 nm or less between the maximum emission wavelength on the shortest wavelength side in an emission spectrum measured at 300 K and the maximum emission wavelength on the shortest wavelength side in an emission spectrum measured at 77 K.
摘要:
Disclosed is an organic electroluminescent element comprising a light emission layer containing a host compound and a phosphorescent compound, the host compound having reorganization energy of from more than 0 to 0.50 eV, wherein the reorganization energy is energy in the process in which the host compound changes to the anion radical, and calculated employing Gaussian 98.
摘要:
An organic elecroluminescent element comprising an anode and a cathode having therebetween an emission layer containing a phosphorescent compound and an layer adjacent to the emission layer, adjacent to the emission layer being provided between the emission layer and the cathode, wherein the layer adjacent to the emission layer comprises a compound having an electron withdrawing group; and the compound exhibits a HOMO level of −5.7 to −7.0 eV and a LUMO level of −1.3 to −2.3 eV.
摘要:
The present invention provides: an organic EL element exhibiting high luminance, a high external quantum efficiency and a long high temperature driving life at 50° C.; an illuminator and a display device employing the organic EL element; and a material preferably used for the organic EL element.
摘要:
An organic electroluminescent element comprising a metal complex represented by Formula (1), wherein Z is a hydrocarbon ring or a heterocyclic ring, provided that each of the hydrocarbon ring and the heterocyclic ring has a substituent having a steric parameter (Es) of −0.5 or less at the third atom of the ring counted from a nitrogen atom attached to Z, the nitrogen atom being counted as the first atom, X, Y, A, B, X1-L1-X2, M1, m1 and m2 are described in the specification.
摘要:
An organic electroluminescent element material represented by Formula (1),Formula (1): wherein Z is a heterocylcic ring comprising a substituent having a steric parameter value (Es) of −0.5 or less at the third atom of the ring counted from a nitrogen atom attached to Z, the nitrogen atom being counted as the first atom; and other symbols in Formula (1) are described in the specification.