Abstract: The object of the present invention is to provide an organic electroluminescent element that suitable for food lighting and indoor lighting at room temperature. The emission spectrum of light emitted from the organic electroluminescent element according to the present invention has peaks in red, green, and blue regions, respectively. Of the proportions of the maximum to the minimum of the intensity of the peak in the red, green, and blue regions at an element temperature in a range of 5° C. to 60° C., the proportion of the maximum to the minimum of the intensity of the peak in the green region is the highest, and the intensity of the peak in the green region decreases with an increase in the element temperature.

Abstract: Provided is an organic electroluminescent element superior in long-term durability and lifetime characteristics. The organic electroluminescent element has a structure where plurality of light-emitting layers formed via an intermediate layer are interposed between a positive electrode and a negative electrode. The intermediate layer has a mixed layer, a first layer, and a hole-injection layer which are formed in this order from the positive electrode to the negative electrode, the mixed layer containing an electron-donating substance and an electron-transporting organic material, and the first layer being made of an electron-transporting material. The first layer has a thickness in a range of 0.2 to 2.0 nm. The hole-injection layer consists of an electro-accepting organic material.

Abstract: The object of the present invention is to provide an organic electroluminescent element suitable for both food lighting at a low temperature and indoor lighting at room temperature. The organic electroluminescent element according to the present invention has such characteristics that a maximum of a general color rendering index Ra in a range of an element temperature of 5° C. to 60° C. is present in a range of the element temperature of 15° C. to 35° C. and that at least one of maxima of special color rendering indexes R10, R11, R12, and R13 in the range of the element temperature of 5° C. to 60° C. is present in a range of the element temperature of 5° C. to 35° C.

Abstract: The organic electroluminescent element which is designed to emit white light in a range of a low color temperature to a high color temperature that is important for an illumination light source with a minor design change, and, moreover, has high color rendering property especially in an average color rendering index Ra and a special color rendering index R9 for red, while being highly efficient and long-life is obtained. The organic electroluminescent element includes: a transparent electrode; a first light-emitting unit including blue and green fluorescent light-emitting layers; an intermediate layer; a second light-emitting unit including red and green phosphorescent light-emitting layers; and a reflecting electrode. The first and second light-emitting units are stacked and the intermediate layer is interposed therebetween. The first light-emitting unit is designed to emit light by use of a phenomenon that a singlet exciton is generated by collision and fusion of two triplet excitons.

Abstract: The present invention proposes a white organic electroluminescent element which is a multiunit element capable of emitting high intensity light that is important to a light source for lighting use, and can have an extended lifetime while suppressing deterioration in luminance.

Abstract: An organic electroluminescent element in accordance with the present invention includes: a transparent electrode; a blue light-emitting layer containing a blue light-emitting material having a maximum emission wavelength 460 nm or less; a first green light-emitting layer containing a first green light-emitting material having a maximum emission wavelength in the spectrum between 460 nm and 610 nm; a red light-emitting layer containing a red light-emitting material having a maximum emission wavelength of 610 run or more; a second green light-emitting layer containing a second green light-emitting material having a maximum emission wavelength in the spectrum between 460 nm and 610 nm; and a reflecting electrode. The maximum emission wavelength of the first green light-emitting material is located on a short wavelength side of the spectrum. The maximum emission wavelength of the second green light-emitting material is located on a long wavelength side of the spectrum.

Abstract: A white light-emitting organic electroluminescent element includes at least four kinds of light-emitting dopants with different emission peak wavelengths which are present between a cathode and an anode. The four kinds of light-emitting dopants include a light-emitting dopant “A”, a light-emitting dopant “B”, a light-emitting dopant “C”, and a light-emitting dopant “D” having their own peak wavelengths which are longer in this order. The white light-emitting organic electroluminescent element has an emission spectrum which satisfies relations of: (first average luminance for an angle in a range of 50° to 70°/first front luminance)>(second average luminance for an angle in a range of 50° to 70°/second front luminance); and (third average luminance for an angle in a range of 50° to 70°/third front luminance)>(fourth average luminance for an angle in a range of 50° to 70°/fourth front luminance).

Abstract: A control device for a rotating electrical machine is provided that is capable of suppressing reduction in controllability of torque attributed to harmonic currents. According to the exemplary embodiment of the present invention, a designated torque value Trq* designated by a hybrid vehicle electronic control unit (HVECU) is corrected by a compensation amount ?Trq calculated using a harmonic voltage Vh, the designated torque value Trq*, and an electric angular velocity ? as inputs. An operating signal generating section generates an operating signal g¥# using a designated norm value Vn set based on the corrected torque designated value Trq* and a phase ? serving as a manipulated variable for performing feedback control of an estimated torque to the designated torque value Trq*, and outputs the generated operating signal g¥# to a power supply circuit of a motor generator.

Abstract: An organic EL device in the present invention comprises a light-transmissive substrate 1, an organic light emitting layer 2, a light-transmissive electrode 3 disposed between the light-transmissive substrate 1 and the organic light emitting layer 2, and a light guiding layer 4 which is disposed between the substrate 1 and the light-transmissive electrode 3. The light guiding layer 4 is configured to alter light direction. The organic EL device is configured to emit light from the organic light emitting layer 2, and allow the light to propagate out through said light guiding layer 4, the light-transmissive electrode 3, and the light-transmissive substrate 1. The light guiding layer 4 includes a light dispersion layer 5. The light dispersion layer 5 is formed with a light dispersion region 8 and a light-transmissive region 9, which are arranged in a coplanar relation within said light dispersion layer 5. The light dispersion region 8 contains light dispersion particles 6 and a binder resin 7.

Abstract: An organic luminescent element comprises a substrate, an organic electroluminescence element formed on one surface thereof and having a light-emitting section emitting light to the substrate, and a lens attached on the other surface of the substrate. A refraction index of the lens is ? that of the substrate. An area of the light-emitting section, parallel to the substrate's surface, is smaller than an area of the substrate on which the lens is attached. An angle ? between a line perpendicular to the substrate's surface in a direction from the light-emitting section toward the substrate and a straight line connecting an end of the light-emitting section and an end of the lens, is set to be ?60°.

Abstract: A control apparatus for use with an electric power conversion system which is equipped with a dc/ac converter connected to an electric rotating machine and a capacitor joined to input terminals of the dc/ac converter. The control apparatus stores an angle of rotation (i.e., start angle ?0) of the electric rotating machine before start of control of energization of the electric rotating machine to discharge the capacitor and determines command currents idr and iqr which will result in zero (0) torque in the electric rotating machine. The control apparatus includes a command current correcting circuit which corrects the command currents idr and iqr by a difference between a current angle ? of rotation of the electric rotating machine and the start angle ?0, thereby avoiding constant rotation of the electric rotating machine when the capacitor is discharged.

Abstract: [Problem] The present invention aims to provide an electroluminescence device with an improved intermediate layer, for achieving a superior durability and sustainability performance thereof. [Solution] The present invention refers to organic electroluminescence devices having a plurality of light emitting layers 4 between an anode 1 and a cathode 2 with the intermediate layer 3 being interposed between two of the light emitting layers. The intermediate layer 3 comprises one layer 3a selected from a group consisting of a charge transfer complex layer made of a charge transfer complex, a metal layer made of a metal having a work function of 3.7 eV or less, and a metal compound layer made of a compound of the metal; an electrically conductive material-containing light transmissive layer 3b; a charge transport organic material layer 3c formed of a charge transport organic material; and a hole injection material layer 3d formed of a hole injection material, which are superimposed in this order.

Abstract: An organic electroluminescence device comprises a light transmissive substrate, a light scattering region which is disposed on the light transmissive substrate, and a light emissive layer having a luminescent point. The luminescent point is spaced from the light reflective electrode by a distance of d which satisfies the following equation: nd = a × ? 4 ? ( 2 + ? ? ) wherein ? = tan - 1 ? { 2 ? ( n 1 ? k 2 - n 2 ? k 1 ) n 1 2 - n 2 2 + k 1 2 - k 2 2 } . ? is a wavelength of a specific light emitted from said light emissive layer. n is a refractive index of a layer disposed between the luminescent point of the light emissive layer and the light reflective electrode, with respect to the wavelength of ?.

Abstract: The surface light emitting device includes an organic EL element, a protection substrate, a protection part, and a light extraction structure part. The element has a first face and a second face opposite to the first face, and emits light from the first face. The substrate has transparency for light emitted from the element, and is placed facing the first face, and has a primary surface facing the first face of the element. The protection part is placed facing the second face of the element, and constitutes a housing in combination with the substrate and accommodates the element so as to protect the element from water. The structure part is interposed between the first face of the element and the substrate, and suppresses reflection of light emitted from the element on at least one of the first face of the element and the primary surface of the substrate.

Abstract: An organic EL (electroluminescence) element capable of efficiently recombining holes and electrons in a light emitting layer and also improving efficiency and lifetime of the element. The element comprises electrodes 1 and 2, the light emitting layer 4, and transport layers 3 and 5 that transport holes and electrons to the layer 4. The layer 4 contains compound functioning as electron accepting dopant and/or substance functioning as electron donating dopant. Accordingly, it is possible to optimize the injection valance of holes or electrons into the layer 4.

Abstract: An organic luminescent element comprises a substrate, an organic electroluminescence element formed on one surface thereof and having a light-emitting section emitting light to the substrate, and a lens attached on the other surface of the substrate. A refraction index of the lens is ? that of the substrate. An area of the light-emitting section, parallel to the substrate's surface, is smaller than an area of the substrate on which the lens is attached. An angle ? between a line perpendicular to the substrate's surface in a direction from the light-emitting section toward the substrate and a straight line connecting an end of the light-emitting section and an end of the lens, is set to be ?60°.

Abstract: The organic electroluminescence device includes an anode, a cathode, a first electron injection layer, an electron transport layer, and a light emitting layer. The first electron injection layer is made of alkali metal and is formed between the anode and the cathode. The electron transport layer is formed between the first electron injection layer and the anode. The light emitting layer is formed between the electron transport layer and the anode. The organic electroluminescence element further includes a second electron injection layer. The second electron injection layer is formed between the first electron injection layer and the electron transport layer. The second electron injection layer is made of amorphous inorganic material.

Abstract: In a norm setting section, a norm of an output voltage vector of an inverter is set based on a required torque and an electrical angle speed. In a phase setting section, a phase is set as controlled variables for performing a feedback control of an estimated torque to the required torque. In an operation signal generating section, operation signals are generated based on the norm set by the norm setting section and the phase set by the phase setting section, and the signals are outputted to the inverter. Based on the value of the phase, existence of abnormalities of a permanent magnet of a motor-generator is determined.

Abstract: A control apparatus is for use in a power conversion system including a DC/AC converter circuit connected to an electric rotating machine at output terminals thereof and to a DC power source at input terminals thereof through a switching means, a capacitor being connected across the input terminals of the DC/AC converter circuit. The control apparatus includes a current supply means configured to perform current supply control to supply a current to the electric rotating machine in order to discharge the capacitor by manipulating the DC/AC converter circuit in a state where the switching means is set open, and a speed lowering means configured to apply a brake force to a rotating shaft of the electric rotating machine to reduce a rotational speed of the electric rotating machine prior to the current supply control being performed by the current supply means if the rotational speed exceeds a specified speed.

Abstract: In a control apparatus for a rotary electric machine receiving power from a DC power supply, a DC-AC converting circuit is provided with serially connected circuits each having high-potential-side and low-potential-side switching elements. When a short-circuit occurs at the switching elements, all the switching elements are turned OFF for failsafe and a path connecting the machine and the battery is opened. In such a case, a switching element belonging to part of the switching elements is turned ON, with potential at all the terminals of the rotary electric machine being the same. A location of the short-circuit occurs is identified, based on changes in current passing through the machine and being detected in response to turning ON the switching element. The changes are at least one of a reduction change in deviation of the current from a zero point and a reduction change in an absolute value of the current.