Abstract: An organic light-emitting device including: a first electrode; a second electrode; and an organic layer that includes a carrier transport layer and an emission layer and is interposed between the first and second electrodes, wherein the emission layer and the carrier transport layer include the same material.

Abstract: In an organic EL device, a hole injection electrode is formed on a glass substrate, and a hole injection layer, a hole transport layer and a luminescent layer are formed in turn on the hole injection electrode. An electron injection electrode is formed on the luminescent layer. The luminescent layer includes an organic iridium compound composed of a combination of a quinoline derivative and iridium. This organic iridium compound can emit red-orange light via a triplet excited state.

Abstract: The present invention has an object to provide an on-board communication device and a cooperative road-to-vehicle/car-to-car communication system that are adaptable to a road-to-vehicle communication system and a car-to-car communication system. An on-board communication device (100) includes a car-to-car communication transfer service processing section (1), a car-to-car communication management service processing section (2), an application processing section (3), a transaction managing section (4), a transfer service processing section (5), a transmission/reception service processing section (6) and a transmission/reception service managing section (7), in which the car-to-car communication transfer service processing section (1) and the car-to-car communication management service processing section (2) include interfaces to the transfer service processing section (5) that is an existing road-to-vehicle communication protocol.

Abstract: The present invention provides an on-vehicle communication device capable of suppressing a delay in providing information, avoiding congestion, and sufficiently securing transmission power. An on-vehicle communication device (100) according to the present invention includes communication control means (3) that controls a transmission cycle and transmission power when data is transmitted from transmitting/receiving means (2). The communication control means (3) uses own vehicle information and surrounding vehicle information to estimate a degree of risk (R) and a safe distance (Ds) of own vehicle. The communication control means (3) controls the transmission cycle of own vehicle based on a communication channel utilization rate of own vehicle, a communication channel utilization rate of a surrounding vehicle and the degree of risk (R) of own vehicle.

Abstract: A vehicle communication device for using a plurality of applications in an inter-vehicle communication, and performing a control to avoid congestion of its own vehicle and other vehicles. The vehicle communication device includes a plurality of application units performing the inter-vehicle communication, a lower protocol unit transmitting and receiving data between vehicles, and a middleware unit intervening between the application units and the lower protocol unit. The middleware unit includes a transfer service processing unit, a communication control service unit, and a transmission/reception control processing unit. The communication control service unit controls a congestion avoiding process of its own vehicle and other vehicles based on application priority received for each of the application units, priority for each vehicle, and channel usage rate obtained from the lower protocol unit.

Abstract: A hole injection layer, a hole transport layer, a blue light emitting layer, an orange light emitting layer, an electron transport layer, an electron injection layer, and a cathode are formed in this order on an anode. The blue light emitting layer is composed of a host material doped with an assisting dopant and a luminescent dopant emitting blue light. A material used for the hole transport layer is used for the assisting dopant. The orange light emitting layer is composed of a host material doped with a luminescent dopant emitting orange light.

Abstract: An organic EL device is provided which is capable of providing high luminance and high luminous efficiency. In an organic EL device, a hole injecting electrode lies on a glass substrate, and a hole injecting layer, a hole transporting layer, and a light emitting layer are sequentially formed thereon. An electron injecting electrode lies on the light emitting layer. The light emitting layer contains a host material, a light emitting dopant, and a first light-emission assisting dopant. The first light-emission assisting dopant is composed of a rubrene derivative.

Abstract: A display capable of preventing an emission layer from deterioration resulting from temperature rise of an electrode also when the same is increased in size and easily connectable with an external current source also when the same is connected with the external current source on a single portion is provided. This display comprises a first electrode formed on a substrate, an emission layer formed on the first electrode, a second electrode formed on the emission layer, a peripheral electrode, arranged to enclose the outer periphery of the second electrode and connected with at least three edges of the outer periphery of the second electrode, having a smaller sheet resistance value than the second electrode, and a current source connection terminal connected to the outer periphery of the peripheral electrode. Thus, current readily flows from the second electrode toward the peripheral electrode, while the current can be dispersedly fed along three or four directions.

Abstract: A light emitting layer produces light having peak intensities in a wavelength range of not less than 460 nm and not more than 510 nm and a wavelength range of not less than 550 nm and not more than 640 nm, respectively. Each of a red color filter layer, green color filter layer, and blue color filter layer has a transmittance of 50% or more in a prescribed wavelength range and a transmittance of 10% or less in a prescribed wavelength range. The ratio of an intensity value of the light emitted from the light emitting layer at a wavelength of 575 nm to an intensity value of the light emitted at a wavelength of 475 nm is not less than 0.4 and not more than 4.0.

Abstract: The light emitting layers and the electron transporting layers of R pixels, G pixels, and B pixels are formed to have a stripe shape extending in the column direction. The red light emitting layer and the electron transporting layer in R pixels are formed to be continuous layers using the same mask in a first vapor deposition chamber, the green light emitting layer and the electron transporting layer of G pixels are formed to be continuous layers using the same mask in a second vapor deposition chamber, and the blue-white light emitting layer and the electron transporting layer of B pixels are formed to be continuous layers using the same mask in a third vapor deposition chamber.

Abstract: An organic electroluminescent device includes a hole-injecting electrode, an electron-injecting electrode and a blue light-emitting layer which is provided between the electrodes and contains a host material, a luminescent dopant and an assist dopant for complementing carrier transport of the host material. When the host material is an electron-transporting material, the assist dopant has a smaller absolute HOMO (Highest Occupied Molecular Orbital) energy level than the host material and a higher hole mobility than the host material.

Abstract: An organic electroluminescent element and display device is provided with anode, cathode, a light emitting layer arranged between the anode and cathode, and at least 3 organic layers arranged between the light emitting layer and the anode. The organic electroluminescent element is characterized by an absolute value |LUMO(A)| of an energy level of a Lowest Unoccupied Molecular Orbital (LUMO) for the first organic layer provided to the anode side of the organic layers and an absolute value |LUMO(B)| of an energy level of a the LUMO for the second organic layer adjacent to the cathode side of the first organic layer having a relationship of |LUMO(A)|<|LUMO(B)|.

Abstract: An electron transport layer includes an electron transport material (host material) and a carrier transportable dopant. The carrier transportable dopant is contained 1% by weight to 50% by weight, preferably 1% by weight to 10% by weight for the electron transport material. A compound having a carbazole group or a derivative of the compound is employed as the carrier transportable dopant. A complex of an 8-hydroxyquinoline derivative and metal is employed as the electron transport material.

Abstract: The invention provides an organic electroluminescent element comprising a cathode, an anode, a plurality of light emitting units layered and arranged between the cathode and the anode via an intermediate unit, a cavity adjustment layer formed between the light emitting unit nearest to the anode and the anode, and an electron extracting layer formed adjacently to the cavity adjustment layer in the light emitting unit side and is characterized in that the film thickness of the cavity adjustment layer is adjusted to adjust the optical distance from the light emitting position of each light emitting unit to the anode.

Abstract: A display capable of preventing an emission layer from deterioration resulting from temperature rise of an electrode also when the same is increased in size and easily connectable with an external current source also when the same is connected with the external current source on a single portion is provided. This display comprises a first electrode formed on a substrate, an emission layer formed on the first electrode, a second electrode formed on the emission layer, a peripheral electrode, arranged to enclose the outer periphery of the second electrode and connected with at least three edges of the outer periphery of the second electrode, having a smaller sheet resistance value than the second electrode, and a current source connection terminal connected to the outer periphery of the peripheral electrode. Thus, current readily flows from the second electrode toward the peripheral electrode, while the current can be dispersedly fed along three or four directions.

Abstract: It is an object of the present invention to provide an organic electroluminescent element having a longer lifetime. In order to accomplish the object, an organic electroluminescent element adapted to comprise a light emitting layer including an organic material between an anode and a cathode is provided with a hole transport layer for transporting holes injected from the anode toward the light emitting layer. Along with the hole transport layer, an intermediate layer having an energy level of a lowest unoccupied molecular orbital lower than those of the hole transport layer and the light emitting layer is provided therebetween.

Abstract: An organic electroluminescent element comprising a cathode, an anode, an intermediate unit arranged between a cathode and an anode, a first light emitting unit arranged between a cathode and an intermediate unit, and a second light emitting unit arranged between an anode and an intermediate unit, wherein an electron extracting layer for extracting an electron from an adjacent layer adjoining a cathode side is provided in an intermediate unit, an absolute value of an energy level of a lowest unoccupied molecular orbital (LUMO) of an electron extracting layer |LUMO(A)|, and an absolute value of an energy level of a highest occupied molecular orbital (HOMO) of the adjacent layer |HOMO(B)| are in the relationship of |HOMO(B)|?|LUMO(A)|?1.5 eV, and an intermediate unit supplies a hole generated by extraction of an electron from an adjacent layer by an electron extracting layer and, at the same time, supplies the extracted electron to a second light emitting unit.

Abstract: A boundary region between blocks of a luminescent layer is provided in a region on a second insulating layer (18) parallel with a glass substrate. Blocks of an electron transporting layer (28) are formed on associated blocks of the luminescent layer. A lithium fluoride layer (30) and an electron injection layer (32) are successively formed on the electron transporting layer (28) seamlessly. Accordingly, a boundary between the blocks of the electron transporting layer (28) is vertically aligned with a boundary between the blocks of the luminescent layer.

Abstract: A display capable of preventing an emission layer from deterioration resulting from temperature rise of an electrode also when the same is increased in size and easily connectable with an external current source also when the same is connected with the external current source on a single portion is provided. This display comprises a first electrode formed on a substrate, an emission layer formed on the first electrode, a second electrode formed on the emission layer, a peripheral electrode, arranged to enclose the outer periphery of the second electrode and connected with at least three edges of the outer periphery of the second electrode, having a smaller sheet resistance value than the second electrode, and a current source connection terminal connected to the outer periphery of the peripheral electrode. Thus, current readily flows from the second electrode toward the peripheral electrode, while the current can be dispersedly fed along three or four directions.

Abstract: A hole injecting electrode composed of ITO is formed on a glass substrate. On the hole injecting electrode, a hole injecting layer composed of CuPc (copper phthalocyanine), a plasma thin film of CFx formed by plasma CVD, a hole transporting layer of NPB, and a light emitting layer are formed in the order. On the light emitting layer, an electron transporting layer is formed, and an electron injecting electrode is formed thereon.