Abstract:
An organic electroluminescent device including at least one organic layer between a pair of electrodes, wherein the at least one organic layer includes a luminescent layer, at least one layer of the at least one organic layer includes at least one metal complex containing a tri- or higher-dentate ligand, and a compound represented by formula (I) is contained in an organic layer containing the metal complex and/or in other organic layer(s). In formula (I), R11 to R14 each independently represent a hydrogen atom or a substituent group, and at least one of R11 to R14 represents an aryl or heteroaryl group.
Abstract translation:一种有机电致发光器件,包括在一对电极之间的至少一个有机层,其中所述至少一个有机层包括发光层,所述至少一个有机层的至少一层包括至少一个含有三 高分子配位体和由式(I)表示的化合物包含在含有金属络合物和/或其它有机层的有机层中。 在式(I)中,R 11至R 14各自独立地表示氢原子或取代基,R 11, R 14表示芳基或杂芳基。
Abstract:
The invention relates to a method for producing electrochromic devices, in particular that having a large working surface area and which does not produce a volumetric shrinkage and can operate during a long maintenance of electrocoloured state of an electrochromic compound, high control voltages and polarity inversion. The inventive electrochromic device comprises at least two electrodes (1, 2), at least one of them being optically transparent. A closed sealed space is formed between said electrodes and filled with the electrochromic compound which is embodied in the form of a solid-like film. The inventive method for producing the electrochromic device consists in prefabricating an initial electrochromic compound in the form of a dispersed electrochromic system which contains at least a suspension and/or colloid. The dispersed medium of said system is embodied in the form of an electrochromic solution containing a liquid solvent, cathode and anode components, a disperse phase being embodied in the form of a finely dispersed polymer. Afterwards, the initial electrochromic compound is deaerated, thereby eliminating dissolved oxygen and air introduced by said finely dispersed polymer, and is used for filling the space between the electrodes.
Abstract:
A polymeric electroluminescent device suppresses photo-oxidation and enhances luminous stability and efficiency by using a nanocomposite of a luminescent polymer and metal nanoparticles as its emitting layer.
Abstract:
There are provided a light emitting device and an electronic device, which are light have low consumption power and a low cost. When an organic light emitting material (1204b) is included in the positions between the lattices of a heavy metal complex (1204a) with a lattice structure, the phosphorescence of the organic light emitting material (1204b) in which only fluorescence is generally observed can be promoted. Since the organic EL element obtained thus can utilize phosphorescence, the light emission efficiency is high. Also, since a conventional organic light emitting material can be used, various light emission colors are obtained and the organic EL element can be manufactured at a low cost. A light emitting device and an electronic device are manufactured using such an organic EL element.
Abstract:
Disclosed are viologen derivatives as an electrochromic material having improved stability and lifetime, a metal oxide electrode including the same, and an electrochromic device using the viologen derivative as an electrochromic material. The viologen derivative includes a suitable regulator group capable of increasing ΔE that is a potential difference between E1 (potential at the first redox reaction) and E2 (potential at the second redox reaction). When ΔE increases, the mole fraction of viologen molecules present in the second reduction state decreases. Therefore, it is possible to lower the mole fraction of viologen molecules present in an irreversibly reduced state at an applied potential, thereby increasing the lifetime of an electrochromic material and an electrochromic device.
Abstract:
There are provided a light emitting device and an electronic device, which are light, have low consumption power and a low cost. When an organic light emitting material (1204b) is included in the positions between the lattices of a heavy metal complex (1204a) with a lattice structure, the phosphorescence of the organic light emitting material (1204b) in which only fluorescence is generally observed can be promoted. Since the organic EL element obtained thus can utilize phosphorescence, the light emission efficiency is high. Also, since a conventional organic light emitting material can be used, various light emission colors are obtained and the organic EL element can be manufactured at a low cost. A light emitting device and an electronic device are manufactured using such an organic EL element.
Abstract:
Disclosed is an OLED device comprising an anode and a cathode and, located therebetween, a light emitting layer (LEL) containing a host and a stabilizer, wherein the stabilizer contains at least 5 fused rings and exhibits a first triplet energy level below 130 kJ/mol.
Abstract:
An electrochromic element comprises an ion conduction layer between two conducting substrates, at least one of which is transparent. The ion conduction layer contains an organic compounds, which has both a structure exhibiting a cathodic electrochromic characteristic and a structure exhibiting an anodic electrochromic characteristic.
Abstract:
A light emitting device is disclosed having a light emitting layer containing a porphyrin derivative compound each pyrrole group of which is characterized by having a straight-chain or branched side-chain alkyl group having 5 to 20 carbon atoms, and the central metal of which is Cr, Ni, Cu, Co, Ru, Rh, Pd, Ir, Pt or Au. The compound is light-emissive and especially has phosphorescent light emission properties and liquid crystal properties. Also disclosed is a display unit using the light emitting device.
Abstract:
An electrochromic element comprises an ion conduction layer between two conducting substrates, at least one of which is transparent. The ion conduction layer contains an organic compound, which has both a structure exhibiting a cathodic electorchromic characteristic and a structure exhibiting an anodic electrochromic characteristic.