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 electrochromic element, including: a pair of electrodes; and an electrochromic layer disposed between the pair of electrodes and containing a plurality of kinds of organic electrochromic compounds, in which: at least one kind of the plurality of kinds of organic electrochromic compounds includes an organic electrochromic compound having an absorption peak in a wavelength region of 700 nm or more during coloring thereof; and when an optical density in a decolored state thereof is defined as 0, a fluctuation ratio of a transmittance in a wavelength region of from 650 nm or more to 700 nm or less with respect to a central transmittance is within ±15% at an optical density of 0.3.
摘要:
The present disclosure provides a composition that includes: a homo-N-trans (HNT) iridium complex having an iridium atom, and a first ligand, a second ligand, and a third ligand that are bonded to the iridium atom, the second ligand having the same structure as the first ligand, the third ligand having a different structure from the first and second ligands; and an isomer of the iridium complex, the isomer having an iridium atom, a fourth ligand, a fifth ligand, and the third ligand, the fourth ligand being a ligand represented by the same rational formula as that of the first ligand, and the fifth ligand being a ligand represented by the same rational formula as that of the second ligand. The composition ratio of the isomer relative to a total of the iridium complex and the isomer is 1.5% or more.
摘要:
A light emitting apparatus having a first light emitting region and a second light emitting region, the second light emitting region including the first light emitting region and having a larger area than that of the first light emitting region, a first light emitting element being included in the first light emitting region, a second light emitting element being not included in the first light emitting region but included in the second light emitting region, the light emitting apparatus having a first emission mode where only the first light emitting region emits light and a second emission mode where the second light emitting region emits light, the light emitting apparatus includes control means configured to, in the second emission mode, control a difference between an amount of light emitted by the first light emitting element and an amount of light emitted by the second light emitting element.
摘要:
A light emitting apparatus having a first light emitting region and a second light emitting region, the second light emitting region including the first light emitting region and having a larger area than that of the first light emitting region, a first light emitting element being included in the first light emitting region, a second light emitting element being not included in the first light emitting region but included in the second light emitting region, the light emitting apparatus having a first emission mode where only the first light emitting region emits light and a second emission mode where the second light emitting region emits light, the light emitting apparatus includes control means configured to, in the second emission mode, control a difference between an amount of light emitted by the first light emitting element and an amount of light emitted by the second light emitting element.
摘要:
A composition contains an organic compound and an anthracene compound different from the organic compound, the anthracene compound having a hydrogen atom at at least one of positions 9 and 10, in which the concentration of the anthracene compound is 100 ppm or less. Additionally, a long-lived organic light-emitting device (26) includes an organic compound layer (22) containing a reduced concentration of the anthracene compound.
摘要:
An organic light-emitting device includes, on an insulating layer (101), a first lower electrode (102), an upper electrode (110), and an organic compound layer (104) between the first lower electrode and the upper electrode, wherein the organic compound layer includes a first light-emitting layer, a second light-emitting layer between the first light-emitting layer and the upper electrode, and a first organic compound layer between the first light-emitting layer and the second light-emitting layer, the first organic compound layer includes a second organic compound layer containing an alkali metal, and a third organic compound layer disposed between the second organic compound layer and the upper electrode and containing a compound having a lowest unoccupied molecular orbital level energy of -5.0 eV or less, and an orthogonal projection of the first organic compound layer onto the insulating layer is smaller than that of the first light-emitting layer onto the insulating layer.
摘要:
The present disclosure provides an organic light-emitting element (300) including a first electrode (2), an organic compound layer, and a second electrode (7), wherein the organic compound layer includes a charge transport layer (4), and the charge transport layer includes a first charge transport layer (401), a second charge transport layer (402), and a third charge transport layer (403) in this order, and the first charge transport layer, the second charge transport layer, and the third charge transport layer satisfy Formulas (1) and (2) below: μ 1 > μ 2 > μ 3 d 1 + d 2 d 3 in Formula (1), µ1, µ2, and µ3 are charge mobilities of the first to third charge transport layers, and in Formula (2), d1, d2, and d3 are layer thicknesses of the first to third charge transport layers.
摘要:
The present disclosure provides a composition that contains an iridium complex and an isomer of the iridium complex, in which the amount of the isomer of the iridium complex is decreased. The iridium complex is a homo-N-trans (HNT) iridium complex having an iridium atom, and a first ligand, a second ligand, and a third ligand that are bonded to the iridium atom. The isomer has an iridium atom, a fourth ligand, a fifth ligand, and the third ligand. The composition ratio of the isomer relative to a total of the iridium complex and the isomer is 1.0% or less.
摘要:
The present disclosure provides a composition that contains an iridium complex and an isomer of the iridium complex, in which the amount of the isomer of the iridium complex is decreased. The iridium complex is a homo-N-trans (HNT) iridium complex having an iridium atom, and a first ligand, a second ligand, and a third ligand that are bonded to the iridium atom. The isomer has an iridium atom, a fourth ligand, a fifth ligand, and the third ligand. The composition ratio of the isomer relative to a total of the iridium complex and the isomer is 1.0% or less.