Abstract: A method of making an electrode material for use in spark plugs and other ignition devices including industrial plugs, aviation igniters, glow plugs, or any other device that is used to ignite an air/fuel mixture in an engine. The electrode material is a ruthenium-based material that includes ruthenium as the single largest constituent. The disclosed method includes hot-forming a layered structure that includes a ruthenium-based material core, an interlayer having a refractory metal disposed over the ruthenium-based material core, and a nickel-based cladding disposed over the interlayer.

Abstract: An ignition plug includes an insulator having an axial bore extending in the direction of an axis and an electrode inserted into the axial bore, and generates plasma discharge through supply, to the electrode, of high-frequency power generated by a predetermined high-frequency power supply. The electrode includes a center electrode inserted into the forward side of the axial bore and a terminal electrode inserted into the rear side of the axial bore. In the axial bore, the terminal electrode and the center electrode are fixed to the insulator by means of a glass seal which contains a glass component, and are in direct contact with each other. Thus, ignition performance can be further improved.

Abstract: Disclosed herein is a spark plug comprising an insulative sleeve having a central axial bore and an exterior surface and a center electrode extending through the central axial bore of the insulative sleeve. The insulating sleeve is positioned within, and secured to, a metal shell that serves as a mounting platform and interface to an internal combustion engine. The metal sleeve also supports a ground electrode that is positioned in a spaced relationship relative to the center electrode so as to generate a spark gap. The insulating sleeve includes a shaped tip portion that resides in a recessed end portion of the metal shell. A coating is disposed on the exterior surface of the shaped tip portion of the insulative sleeve. The coating comprises a metal oxide, a noble metal, late transition metal, or a combination comprising two or more of the foregoing metals.

Abstract: The invention relates to a motor vehicle lighting fixture which comprises at least: a light source comprising at least one LED; a light-transmitting part that is arranged such that it receives light from the light source; and a reflector that is arranged such that it reflects that portion of the light from the light source that passes through the light-transmitting part and couples it out to the front of the lighting fixture, a reflection portion and a refraction portion being provided within the light-transmitting part, wherein said reflection portion deflects the light issuing from the light source through total reflection in one direction that is substantially perpendicular to the optical axis of the reflector, whereas the refraction portion couples out the light in the direction of the reflector.

Abstract: An organic EL device includes a substrate, a first electrode layer formed on the substrate, an organic EL layer formed on the first electrode layer, and a second electrode layer formed on the organic EL layer. A distribution characteristic of light emitted from the first electrode layer into the substrate has a luminance in a direction of a first angle of 20 to 50 degrees measured with respect to an axis perpendicular to the substrate that is relatively high as compared to luminance in other angular directions.

Abstract: Provided is an LED module and an illumination device having high color saturation, which improve vividness of color of an illuminated object even if color temperature of ambient light is high, and consequently are able to reproduce colors of the object as desired. Blue LEDs have peak wavelength of 420 nm to 470 nm and FWHM of greater than 0 nm and no greater than 50 nm. A green phosphor has peak wavelength of 500 nm to 535 nm and FWHM of 100 nm to 110 nm. A red phosphor has peak wavelength of 610 nm to 670 nm and FWHM of 85 nm to 95 nm. Mixed-color light of the blue, green and red light has correlated color temperature of 4600 K to 7200 K and Duv of ?12 to ?6.

Abstract: Disclosed is an organic electroluminescent device having a longer drive life. Specifically disclosed is an organic electroluminescent device (100) comprising an organic material layer (16), which is composed of a hole transporting layer (164), a light-emitting layer (166) and an electron transporting layer (167), between a pair of electrodes, namely a cathode (18) and an anode (12). The light-emitting layer (166) (having a film thickness (dM) of 5-3000 nm) contains a luminescent dye and a host material. The first oxidation potential (ED+) of the luminescent dye is lower than the first oxidation potential (EH+) of the host material, while the first reduction potential (ED?) of the luminescent dye is lower than the first reduction potential (EH?) of the host material. The film thickness (dE: 5-3000 nm) of the electron transporting layer (167) and the film thickness (dH: 5-3000 nm) of the hole transporting layer (164) satisfy the following relation: dH?dE.

Abstract: Disclosed is a light unit and a display device using the same, the light unit which includes a first reflector comprising an inclined surface partially formed therein, second and third reflectors arranged at both ends of the first reflector, respectively, a first light source module disposed between the first and second reflectors, and a second light source module disposed between the first reflector and the third reflector, wherein a light emitting direction of the first light source module is different from a light emitting direction of the second light source module.

Abstract: A composite ignition device includes a positive electrode having a tip formed thereon that is bonded to a first insulator to form a firing cone assembly. A second insulator having a negative capacitive element embedded therein is attached to the firing cone assembly. A positive capacitive element is disposed in the second insulator and is separated from the negative capacitive element by the second insulator. The positive capacitive element is coupled to the positive electrode. The positive and negative capacitive elements form a capacitor. A resistor is coupled to the positive capacitive element. An electrical connector is coupled to the resistor and attached to the second insulator. A shell including a negative electrode having a tip is attached to the second insulator and the firing core assembly and coupled to the negative capacitive element. The negative electrode tip is spaced apart from the positive electrode tip.

Abstract: An LED heat dissipation structure including: a heat sink, with a lug axially extended from an end of the heat sink, a hollow portion disposed inside the heat sink and axially extended to the lug, and a plurality of fins integrally extended from a peripheral side of the heat sink; and a support base, having an axial through hole sheathed on the lug of the heat sink, and an end of the support base abutting the support surface of the heat sink. A semiconductor light emitting module is tightly coupled onto a distal surface at an end of the lug for conducting generated heat to the heat sink, and a mirror mount is pressed against the semiconductor light emitting module and coupled to the support base.

Abstract: At least one stress concentration factor is arranged in a bending position of forming the protrusion structure on a surface of the backplane. Then, a shape of the protrusion structure is formed by stamping. In the present disclosure, because the bending position during stretching the protrusion structure is firstly configured with a plurality of stress concentration factors in the stretching process of the protrusion structure, when the protrusion structure is stretched, stress concentration occurs in the position with the stress concentration factors.

Abstract: In a first aspect of the present invention, a lighting device includes a light-emitting element, a phosphor layer including a phosphor and spaced from the light-emitting element, and a light-transmitting layer with thermal conductivity that is higher than thermal conductivity of the phosphor layer, the light-transmitting layer disposed in contact with the phosphor layer. It is disclosed that the phosphor layer has first and second surfaces opposite to each other. In some embodiments, the light-transmitting layer that transmits light emitted from the light-emitting element is disposed on the first surface of the phosphor layer. It is also disclosed that the first light-transmitting layer that transmits light emitted from the light-emitting element is disposed on the first surface of the phosphor layer and a second light-transmitting layer that transmits visible light is disposed on the second surface of the phosphor layer.

Abstract: It is an object of the present invention to provide a light emitting device which is less affected by a malfunction caused in a light emitting element. It is another object of the invention to provide a light emitting device in which light emitting elements are connected in series. As to a light emitting device of the invention, groups of circuits each having a light emitting element and a limiter are connected in parallel. Here, a light emitting element and a limiter are connected in series. The number of the circuits may be at least two or more. Further, each circuit group includes at least one light emitting element.

Abstract: A white light emitting device includes a light emitting element having a peak wavelength at from 430 nm to 460 nm; and a fluorescent layer on the light emitting element containing a red fluorescent material and a green-yellow fluorescent material. The white light emitting device achieves high color rendering properties, a high average color rendering index Ra and a high luminescent efficiency, or a high white efficiency.

Abstract: To enhance luminance and color rendering of a light emitting device comprising phosphors as wavelength converting material and at least one semiconductor light emitting device that emits visible light, as said phosphors, are used phosphors which are one or more kinds of phosphors selected from a group consisting of oxides, oxynitrides and nitrides, and are a mixture consisting of two or more kinds of phosphors whose luminous efficiency is 35% or higher when excited by the visible light from said semiconductor light emitting device at room temperature. In addition, said mixture contains a first phosphor, and a second phosphor that is different from said first phosphor and capable of absorbing emitted light from said first phosphor, and said first phosphor is contained 85 weight % or more of said mixture of phosphors.

Abstract: An embodiment of the invention provides a low inductance light source module, which may have a small footprint and comprise a printed circuit board (PCB) mount having first and second conducting traces formed on a side of the PCB mount and a semiconducting light source having a first electrical contacts for receiving power that is bonded to the first conducting trace with a conducting bonding material and a second electrical contact for receiving power that is connected by at least one bondwire to the second conducting trace.

Abstract: A spark plug has a metal shell and a ground electrode joined at a base end portion thereof to the metal shell and includes a surface layer and a core higher in thermal conductivity than the surface layer. The surface layer has a thickness of 0.2 to 0.4 mm at a specific position that is located 1 mm from the base end portion. The spark plug satisfies the following condition: W1?W2×1.55?(W3+0.25) where W1 (mm) is a width of the metal shell at a weld region of the metal shell joined with the base end portion in a specific direction that extends perpendicular to the axis direction through a center line of the ground electrode; W2 (mm) is a thickness of the ground electrode at the specific position in the specific direction; and W3 (mm) is a thickness of the surface layer at the specific position in the specific direction.

Abstract: A flat display device includes a substrate, a light-emitting diode on the substrate, and a sealing layer on the light-emitting diode, the sealing layer including at least one sealing unit that includes an organic film, an oxygen-free buffer layer on the organic film, and an inorganic film on the oxygen-free buffer layer.

Abstract: A light emitting device includes a light emitting structure comprising a first conductivity type semiconductor layer, a second conductivity type semiconductor layer and an active layer disposed between the first conductivity type semiconductor layer and the second conductivity type semiconductor layer to emit a light of a first wavelength; and a re-emission layer disposed on the light emitting structure, the re-emission layer comprising a nitride semiconductor, wherein the re-emission layer absorbs the light of the first wavelength range and the re-emission layer emits a light of a second wavelength range longer than the first wavelength range, and the re-emission layer is configured of multi layers having different indium (In) compositions, respectively, and the indium content in the multi-layer is largest in a top layer of the multi-layers.

Abstract: Headlight lens for a vehicle headlight having a monolithic body of transparent material, the monolithic body including at least one light entry face, a light passage section and at least one optically operative light exit face.