摘要:
The present invention provides a novel organic compound having high thermal stability and can form a stable amorphous thin-film and also provides an organic light-emitting device having a high luminous efficiency and a low driving voltage.The present invention relates to a dispirodibenzonaphthacene compound represented by the following Formula [1]:
摘要:
An organic light-emitting device includes a first electrode, a second electrode, and a light-emitting layer disposed between the first and second electrodes. The light-emitting layer contains an organic compound emitting photoluminescent light with a peak wavelength of 430 to 480 nm. The organic compound has a profile factor of 0.02 or less at a wave number of 1,300 to 1,680 cm−1 as calculated from Huang-Rhys factors.
摘要:
An organic light-emitting device that achieves highly efficient emission and low-voltage operation is provided. The organic light-emitting device contains a 9H-xanthen-9-one derivative.
摘要:
An organic light-emitting device includes a first electrode, a second electrode, and a light-emitting layer disposed between the first and second electrodes. The light-emitting layer contains an organic compound emitting photoluminescent light with a peak wavelength of 430 to 480 nm. The organic compound has a profile factor of 0.02 or less at a wave number of 1,300 to 1,680 cm−1 as calculated from Huang-Rhys factors.
摘要:
Provided is an organic light-emitting device that can be driven at low voltage, that produces a light output with high efficiency and high luminance, and that can emit light with high color purity. An organic light-emitting device includes an anode, a cathode, a light-emitting layer disposed between the anode and the cathode, and an organic layer disposed between the anode and the light-emitting layer. The organic layer has a fused polycyclic compound represented by general formula (1): wherein R1 to R8 are each a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted polycyclic group and are each the same or different, and wherein R9 and R10 are substituted or unsubstituted aryl groups that are the same or different.
摘要:
An organic light-emitting device includes a first electrode, a second electrode, and a light-emitting layer disposed between the first and second electrodes. The light-emitting layer contains an organic compound emitting photoluminescent light with a peak wavelength of 430 to 480 nm. The organic compound has a profile factor of 0.02 or less at a wave number of 1,300 to 1,680 cm−1 as calculated from Huang-Rhys factors.
摘要:
A compound represented by the following general formula (1). R3—(X)x-(A)a-(Y)y—(B)b—(Z)z—R12 (1) (A, B, X, Y, and Z represent the following general formulae, and CH on a phenylene ring of each of X, Y, and Z may be replaced with an N atom. a, b, x, y, and z each independently represent an integer of 0 to 5, and a≧1, y≧1, and a+b≧2. (R1 to R14 each independently represent a hydrogen atom, or a linear or branched alkyl group.)). The compound can be suitably used as a compound for an organic EL device.
摘要:
The present invention provides a phosphorescent luminescent device which has high-efficiency and a long lifetime. The organic electroluminescent device according to the present invention includes a pair of electrodes and an organic layer disposed between the pair of electrodes, wherein the organic layer has at least a light-emitting layer, and the light-emitting layer include at least a host material and dopants containing at least a first dopant and a second dopant, and wherein a triplet lowest excitation level of the first dopant is higher than a triplet lowest excitation level of the host material, and a triplet lowest excitation level of the second dopant is lower than a triplet lowest excitation level of the host material.
摘要:
A fused polycyclic compound is represented by general formula [1]: wherein at least one of R1 to R16 is selected from a halogen atom, an alkyl group having 1 to 20 carbon atoms, a substituted amino group, an aryl group which may have a substituent, and a heterocyclic group which may have a substituent. An organic light-emitting element includes the fused polycyclic compound.
摘要:
Provided is an organic electroluminescence device having high efficiency and a long lifetime. The organic electroluminescence device includes an anode; a cathode; and an organic compound layer interposed between the anode and the cathode, and including an emission layer formed of a first emission layer provided on an anode side and a second emission layer provided on a cathode side, in which the first emission layer contains a first host and a first dopant, the second emission layer contains a second host and a second dopant, the following relationship (a) is established between the first host and the first dopant, the following relationship (b) is established between the second host and the second dopant, and the following relationship (c) is established between the first host and the second host: |LUMO(H1)−LUMO(D1)|>|HOMO(H1)−HOMO(D1)|, (a) |LUMO(H2)−LUMO(D2)|>|HOMO(H2)−HOMO(D2)|, and (b) |HOMO(H1)|>|HOMO(H2)|. (c)