摘要:
A luminescent ink composition for an organic EL device which can form thin films by a wet process easily due to a high solubility of a low-molecular material is provided in order to form an organic thin film containing a luminescent low-molecular material by a wet method with a high productivity. A luminescent ink composition for an organic electroluminescent device comprising: (A) an anthracene derivative represented by the following formula (1); (B) a condensed aromatic ring compound substituted with an arylamino group and/or a styryl derivative substituted with an arylamino group; and (C) an organic solvent.
摘要:
An organic electroluminescence (EL) device in which an organic thin film layer having a plurality of layers can be formed using any desired materials for an organic EL device in a simple and convenient production step, i.e., in accordance with a wet process, and which exhibits a great efficiency of light emission and has a long lifetime, a process for producing the device and an organic solution for an organic EL device realizing the process are provided. The device comprises at least one organic thin film layer in a plurality of layers containing at least a light emitting layer and sandwiched between a cathode and an anode those composing the organic electroluminescence device, wherein the organic thin film layer is formed in accordance with a wet process using a mixed solvent comprising a good solvent and a poor solvent. The process is a wet process using the mixed solvent. The organic solution is obtained by dissolving materials for an organic EL device forming the organic thin film layer into a mixed solvent comprising a good solvent and a poor solvent.
摘要:
An ink for forming an organic electroluminescent coating film capable of forming an emitting layer with a long life, which has a water concentration of 20 ppm or less and an oxygen concentration of 10 ppm or less wherein an aromatic compound, preferably an anthracene derivative, a pyrene derivative, and/or a fluorene derivative, is dissolved into an organic solvent, and a production method thereof are provided.
摘要:
An aromatic compound represented by a following general formula (1), wherein R1 to R14 each independently represents any one selected from a group consisting of a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group having 1 to 40 carbon atoms, a substituted or unsubstituted alkenyl group having 2 to 40 carbon atoms, a substituted or unsubstituted alkynyl group having 2 to 40 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 40 carbon atoms, a substituted or unsubstituted aryl group having 6 to 40 carbon atoms, a substituted or unsubstituted heteroaryl group having 3 to 40 carbon atoms; at least one of R1 to R9 represents a substituted or unsubstituted aryl group having 6 to 40 carbon atoms; and at least one of R10 or R14 represents a substituted or unsubstituted aryl group having 6 to 40 carbon atoms. A compound for obtaining an organic EL device having an enhanced efficiency of light emission and a prolonged half lifetime of brightness is provided.
摘要翻译:由以下通式(1)表示的芳族化合物,其中R 1至R 14各自独立地表示选自氢原子,卤素 原子,取代或未取代的碳原子数1〜40的烷基,取代或未取代的碳原子数2〜40的烯基,取代或未取代的碳原子数2〜40的炔基,取代或未取代的烷氧基,具有1〜 40个碳原子,取代或未取代的碳原子数为6〜40的芳基,取代或未取代的碳原子数为3〜40的杂芳基。 R 9至R 9中的至少一个表示取代或未取代的碳原子数为6〜40的芳基; R 10或R 14中的至少一个表示取代或未取代的碳原子数为6〜40的芳基。 提供一种用于获得具有增强的发光效率和延长的亮度半衰期的有机EL器件的化合物。
摘要:
A novel compound having a spiro bond with a specific structure, a material for forming a luminous coated film comprising the compound having the spiro bond with the specific structure, and an organic electroluminescence device which comprises at least one organic thin film layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein the organic thin film layer comprises the compound having the spiro bond. The organic EL device employing either the compound having a spiro bond or the material for forming luminous coated film in accordance with the present invention is superior in heat resistance, has stability of the thin film composing the device, emits uniform blue light, and exhibits an excellent luminance, current efficiency even under a low driving voltage.
摘要:
A coordination metal compound comprising cordinating at least one ligand having a Spiro bond to at least a metal atom; a material for an organic electroluminescence (EL) device, and an organic EL device comprising at least one organic thin film layer sandwiched between a pair of electrodes consisting of an anode and a cathode, wherein at least one organic thin film layer thereof comprises the coordination metal compound or the material for an organic EL device, and a material for luminescence coating formation comprising an organic solvent solution containing the coordination metal compound or the material for the organic EL device is provided. Further, the organic EL device employing either the material for luminescence coating formation or the material for the organic EL device, which exhibits an enhanced efficiency of light emission and is superior in heat resistance, the coordination metal compound having excellent solubility for an organic solvent which realizes the aforementioned, the material for the organic EL device and the material for luminescence coating formation are provided.
摘要:
An organic electroluminescent device including: an anode (10), a hole injecting/transporting layer (22), an emitting layer (24) and a cathode (30) stacked in this order; the emitting layer (24) being a low molecular emitting layer formed by a wet process using a low molecular luminescent material; the hole injecting/transporting layer (22) being a high molecular hole injecting/transporting layer formed by a wet process using a high molecular material.
摘要:
An organic EL device with a high luminance and a long life, and a method for producing the same are provided. An organic EL device including an anode 10, a cathode 30, and an organic thin layer 20 including one or a plurality of layers including at least an emitting layer 24, the organic thin layer being inserted between the anode 10 and the cathode 30, at least one of the layers 22, 24 and/or 26 having an oxygen concentration of 2,000 ppm or less. A method for producing the organic EL device, wherein the layers with an oxygen concentration of 2,000 ppm or less are produced by a wet method.
摘要:
The present invention provides an organic electroluminescence device which: brings physical properties, that is, a low ionization potential, large band gap energy, high injection efficiency, and a high mobility into balance in an excellent manner; has high heat resistance; and shows high current efficiency and a long lifetime while maintaining good luminance/voltage characteristics and good current density/voltage characteristics, and a novel amine-based compound for realizing the device. The amine-based compound is of a specific structure containing a quinoxaline ring. The organic electroluminescence device includes an organic thin film layer composed of one or more layers including at least a light emitting layer, the organic thin film layer being interposed between a cathode and an anode. In the organic electroluminescence device, at least one layer of the organic thin film layer contains the amine-based compound alone or as a component of a mixture.