Abstract: In a stacked display device with light-emitting units composed of organic layers and stacked together, the use of a stable material in at least a portion of a charge generation layer makes it possible to achieve improvements in environmental stability and also to attain an improvement in the efficiency of injection of charges from the charge generation layer into the light-emitting units. The display device can be readily fabricated. In a display device (11) provided with a plurality of light-emitting units (14-1)(14-2), each of which includes at least an organic light-emitting layer (14c), stacked together between a cathode (16) and an anode (13), and also with a charge generation layer (15) held between the respective light-emitting units (14-1)(14-2), at least a portion of the charge generation layer (15) is composed of an oxide or fluoride which contains at least one of alkali metals and alkaline earth metals.

Abstract: Disclosed herein is an organic electroluminescent device including: an anode; a cathode; and an organic layer including a light-emitting layer, a naphthacene compound layer containing a naphthacene compound, and an electron transport layer; the light-emitting layer being composed of a light-emitting guest material and an aromatic hydrocarbon compound having the skeleton of anthracene, and the naphthacene compound layer containing no less than 80 wt % of naphthacene compound represented by the formula (1) below and having a thickness of 0.5 to 10 nm and being in contact with that side of the electron transport layer which faces the light-emitting layer.

Abstract: Disclosed is a novel compound useful as a constituent of an organic EL device. Also disclosed is a practical organic EL device using this compound. This organic EL device has low driving voltage, long life, and reduced leakage current. Specifically disclosed is a compound characterized by having at least one structure (1) shown below in a molecule.

Abstract: An organic electroluminescent device is provided with a substrate, and a lower electrode, a luminescence function layer including an organic light-emitting layer, and an upper electrode stacked in this order on the substrate to emit light, which has been generated in said organic light-emitting layer, out of said upper electrode. The lower electrode includes a reflective material layer comprised essentially of metal, an oxide film provided on a surface of said reflective material layer, and a thin metal film provided over the oxide film.

Abstract: A transfer substrate includes a light transmissive support substrate; a light-heat conversion layer formed on the light transmissive support substrate; and a transfer layer formed on the light heat conversion layer. The transfer layer is a layer transferred as a luminescent layer of an organic electroluminescent element and is made of a metal complex, a fluorescent luminescent dopant and an aromatic hydrocarbon whose matrix skeleton has four to seven rings.

Abstract: An organic electroluminescent device for emitting red light is disclosed, including: an anode; a cathode; and an organic layer including a light emitting layer provided between the anode and the cathode, wherein the light-emitting layer contains a red light-emitting guest material and a host material composed of a polycyclic aromatic hydrocarbon compound having a skeleton with a 4 to 7 membered ring, and a photosensitizing layer containing a light-emitting guest material which generates blue light is provided adjacent to the light-emitting layer.

Abstract: An organic electroluminescent is provided having an anode, a cathode, and at least one organic layer including a light-emitting layer provided between the anode and the cathode, wherein the organic layer includes an amine compound represented by the following formula (1): wherein Ar1 to Ar4 each independently represent a specific aromatic group; R1 and R2 each independently represent a hydrogen atom, a halogen atom or a particular substituent group; and n stands for an integer of 1, 2 or 3.

Abstract: Provided are a novel anthracene derivative of a specific structure in which benzofuran or benzothiophene is bonded to anthracene through an arylene group, a material for an organic electroluminescence device and a light emitting material for an organic electroluminescence device each containing the anthracene derivative, and an organic electroluminescence device including an organic thin film layer formed of one or plural layers including at least a light emitting layer, the organic thin film layer being interposed between a cathode and an anode, in which at least one layer of the organic thin film layer contains the anthracene derivative alone or as a component of a mixture. The organic electroluminescence device has high luminous efficiency and is capable of emitting light with a long lifetime, and the device can be realized by the anthracene derivative.

Abstract: A red light-emitting organic electroluminescent device is provided and includes an anode; a cathode; and an organic layer which includes a light-emitting layer and is interposed between the anode and cathode. The light-emitting layer includes a red light-emitting guest material and a host material composed of a polycyclic aromatic hydrocarbon compound whose mother skeleton has a ring member number of from four to seven. The organic electroluminescent device also includes an electron transport layer containing a benzimidazole derivative provided adjacent to the light-emitting layer.

Abstract: A transfer substrate is provided with a photothermal conversion layer and a transfer layer formed in this order on a base substrate. The transfer layer is formed of an organic material selected from the group including a first organic material, which has a weight decrease initiation temperature (Tsub) of lower than 500° C. and sublimates under atmospheric pressure, and a second organic material, which has a weight decrease initiation temperature (Tsub) of lower than 500° C. and satisfies the following inequality: Tsub?Tm<200° C. (Tsub: the weight decrease initiation temperature of the second organic material, and Tm: a melting point of the second organic material). Also disclosed is a process for fabricating organic electroluminescent devices by using the transfer substrate.

Abstract: An electroluminescent device is provided with an anode, a cathode, and an organic layer having at least a light-emitting layer and held between the anode and the cathode. A layer with a nitrogen-containing heterocycle derivative therein is arranged between the anode and the light-emitting layer. The layer with the nitrogen-containing heterocycle derivative contained therein has a thickness greater than a hole supply layer arranged between the anode and the light-emitting layer.

Abstract: A method for manufacturing an organic electroluminescent element, the method includes the step of after forming the organic electroluminescent element obtained by interposing an emission layer composed of an organic material between an anode and a cathode, decreasing an operating voltage of the organic electroluminescent element by applying a voltage higher than the operating voltage of the organic electroluminescent element between the anode and the cathode.

Abstract: An organic electroluminescent device for emitting red light is disclosed. The device includes: an anode; a cathode; and an organic layer including a light-emitting layer, wherein the light-emitting layer contains a red light-emitting guest material and a host material composed of a polycyclic aromatic hydrocarbon compound having a skeleton with 4 to 7 membered rings, and a photosensitizing layer containing a light-emitting guest material generating green light is provided adjacent to the light-emitting layer.

Abstract: According to an embodiment of the present invention, there is provided an organic electroluminescent device for emitting red light having an organic layer that includes a light-emitting layer and is provided between an anode and a cathode. The light-emitting layer contains a red light-emitting guest material and a host material that is composed of a polycyclic aromatic hydrocarbon compound having a skeleton with four- to seven-membered rings. Furthermore, a light-enhancing layer that contains a light-emitting guest material for generating light having a wavelength shorter than that of light emitted by the light-emitting layer is provided adjacent to the light-emitting layer.

Abstract: An organic electroluminescent element includes a light emitting unit provided between an anode and a cathode. The light emitting unit has a light emitting layer containing a phosphorescent material as a luminescent material and a photosensitizing layer formed adjacent to the light emitting layer. The photosensitizing layer contains a fluorescent light emitting material as a guest material.

Abstract: The present invention provides a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin film layer comprising a single layer or plural layers including at least a light emitting layer is interposed between a cathode and an anode, wherein at least one layer in the above organic thin film layer, particularly a hole injecting layer contains the aromatic amine derivative described above in the form of a single component or a mixed component. Use of the aromatic amine derivative described above materialize an organic electroluminescence device which reduces an operating voltage and makes molecules less liable to be crystallized and which enhances a yield in producing the organic EL device and has a long lifetime.

Abstract: An organic electroluminescent device including: an anode, a cathode, an emitting layer formed of an organic compound and interposed between the cathode and the anode, and two or more layers provided in a hole-injecting/hole-transporting region between the anode and the emitting layer; of the layers which are provided in the hole-injecting/hole-transporting region, a layer which is in contact with the emitting layer containing a compound represented by the formula (1); and of the layers which are provided in the hole-injecting/hole-transporting region, a layer which is interposed between the anode and the layer which is in contact with the emitting layer containing an amine derivative represented by the formula (2).

Abstract: Provided is a display apparatus which can easily bond a drive panel (10) and a sealing panel (20) together. The drive panel (10) includes organic electroluminescence devices (10R), (10G) and (10B) on a substrate for drive (11) and extracts light from the side of the organic electroluminescence devices (10R), (10G) and (10B). The sealing panel (20) includes a color filter (22) on a substrate for sealing (21). The drive panel (10) and the sealing panel (20) are disposed to face each other, and the whole facing surfaces of the drive panel (10) and the sealing panel (20) are bonded together with an adhesive layer (30). The adhesive layer (30) is cured with at least heat, and is made of only one coating liquid or a combination of two or more coating liquids for curing. A temporary fixing portion (30A) is formed in an edge portion of the adhesive layer (30).

Abstract: Provided is a display apparatus which can easily bond a drive panel (10) and a sealing panel (20) together. The drive panel (10) includes organic electroluminescence devices (10R), (10G) and (10B) on a substrate for drive (11) and extracts light from the side of the organic electroluminescence devices (10R), (10G) and (10B). The sealing panel (20) includes a color filter (22) on a substrate for sealing (21). The drive panel (10) and the sealing panel (20) are disposed to face each other, and the whole facing surfaces of the drive panel (10) and the sealing panel (20) are bonded together with an adhesive layer (30). The adhesive layer (30) is cured with at least heat, and is made of only one coating liquid or a combination of two or more coating liquids for curing. A temporary fixing portion (30A) is formed in an edge portion of the adhesive layer (30).

Abstract: In a stacked display device with light-emitting units composed of organic layers and stacked together, the use of a stable material in at least a portion of a charge generation layer makes it possible to achieve improvements in environmental stability and also to attain an improvement in the efficiency of injection of charges from the charge generation layer into the light-emitting units. The display device can be readily fabricated. In a display device (11) provided with a plurality of light-emitting units (14-1)(14-2), each of which includes at least an organic light-emitting layer (14c), stacked together between a cathode (16) and an anode (13), and also with a charge generation layer (15) held between the respective light-emitting units (14-1)(14-2), at least a portion of the charge generation layer (15) is composed of an oxide or fluoride which contains at least one of alkali metals and alkaline earth metals.