Abstract: A light-emitting device is provided. The light-emitting device includes a first substrate. The light-emitting device also includes a second substrate including a light-shielding structure. The light-emitting device further includes a first light-emitting module and a second light-emitting module being adjacent to each other. The first light-emitting module and the second light-emitting module are disposed between the first substrate and the second substrate. The first light-emitting module and the second light-emitting module are spaced apart by a gap, and the light-shielding structure at least partially covers the gap in a top view direction of the light-emitting device.

Abstract: The invention discloses color conversion film which, upon ex-citation by blue light, emits green and red light. The films comprise at least one red light emitting layer, one green light emitting layer and sandwiched in between at least one separation layer.

Abstract: A lighting module for use in a lighting device for a vehicle, having at least one light source unit, a first optical unit and a second optical unit as well as at least one support element, wherein the light source unit comprises at least one light source, and wherein at least the first optical unit and the second optical unit are arranged, in particular in a positionally fixed manner, on the support element, and wherein at least one first reference mark is provided on the first optical unit and at least one second reference mark on the second optical unit. In addition, the invention relates to a lighting device as well as to a method.

Abstract: A photocathode 4 includes an optically transparent conductive layer provided between a translucent substrate and a photoelectric conversion layer. The optically transparent conductive layer is formed of a constituent material including carbon. A Raman spectrum of the constituent material has a peak of a band, a peak of a band, a peak of a band, and a peak of a band.

Abstract: A method for manufacturing a prechamber spark plug including an external thread and a cap including at least one through-opening. The method includes: providing the prechamber spark plug without a cap and including a cylindrical circumferential surface for the external thread. Mounting the cap, which includes at least one through-opening, in an arbitrary alignment at the prechamber spark plug, and creating the external thread at the circumferential surface in such a way that a thread start and/or a thread end of the external thread is aligned in relation to the through-opening at a predetermined position.

Abstract: A prechamber spark plug having a housing, which at its front end comprises a prechamber with an ignition electrode arranged therein, wherein the ignition electrode comprises a base and electrode legs protruding from the base, wherein the ignition electrode is machined from a sheet made of an iridium alloy and the legs are bent out of the plane of the base to form a basket shape, characterized in that the ignition electrode, in particular the electrode legs, is/are separated out of the sheet metal by means of laser cutting. Furthermore, a corresponding ignition electrode and a method for producing such an ignition electrode are claimed.

Abstract: A spark plug includes a center electrode, a tubular metallic shell which holds the center electrode therein in an insulated state, and a ground electrode which faces a forward end portion of the center electrode. The metallic shell has a penetration hole which penetrates the metallic shell in a direction intersecting an axial direction. The ground electrode has a press-fitted portion inserted into the penetration hole and fixed to the metallic shell, a projecting portion projecting toward an inner side of the metallic shell, and an insertion portion disposed between the press-fitted portion and the projecting portion, inserted into the penetration hole, and forming a space between the insertion portion and an inner surface of the penetration hole. An angle ? formed between the inner surface of the penetration hole and an outer surface of the insertion portion falls within a range of 0°<?<90°.

Abstract: An igniter having at least two electrodes spaced from each other by an insulating member having a substantially continuous surface along a path between the electrodes. The electrodes extend substantially parallel to each other for a distance both above and below said surface. The insulating member has a channel (recess) for receiving at least a portion of a length of at least one of said electrodes below and to said surface of the insulating member. The surface of the insulating member may preferably be augmented with a conductivity enhancing agent. The insulating member and electrodes are configured so that an electric field between the electrodes at said surface does not have abrupt field intensity changes, whereby when a potential is applied to the electrodes sufficient to cause breakdown to occur between the electrodes, discharge occurs at said surface of the insulating member to define a plasma initiation region.

Abstract: Methods, systems, and devices for inactivating microorganisms are disclosed. An example light emitting device that inactivates microorganisms on a surface comprises a light emitter configured to emit a first light comprising a first wavelength in a range of 380 nanometers (nm) to 420 nm, a first light-converting material configured to convert a first portion of the first light to at least a second light comprising a second wavelength different from the first wavelength, and a second light-converting material configured to convert a second portion of the first light to at least a third light comprising a third wavelength different from the first wavelength, wherein at least the first light, the second light, and the third light mix to form a disinfecting white light, wherein the first light makes up at least 10% of the disinfecting white light.

Abstract: According to one embodiment, an illumination device includes a wiring substrate, light emitting elements, a projection, and a protective layer. The main surface of the wiring substrate is divided into segment regions. Each of the segment regions is provided with n of the light emitting elements. N is greater than 1. The light emitting elements are independently driven in units of the segment regions. The protective layer is configured to protect the light emitting elements. The upper surface of the protective layer is located on the main surface side from the highest part of the projection.

Abstract: A system and method for producing period-coded glass containers is disclosed. One method comprises producing a glass container from a traceable material composition associated with a predetermined time period, manufacturing facility, and/or time of container manufacture, where the glass container is configured to be analyzed for the traceable material composition, and at least one of constituents of or amounts of materials in the traceable material composition is configured to be identified and cross-referenced to a cross-reference schedule for identifying the time period, manufacturing facility, and/or time of container manufacture in which the glass container was produced.

Abstract: A spark plug includes: a cylindrical insulator; a center electrode that is held on an inner circumferential side of the insulator and includes a tip-end protruding portion that protrudes from the insulator toward a tip end side; a cylindrical housing that holds the insulator on an inner circumferential side; and a plug cover that is provided in a tip end portion of the housing so as to cover a pre-combustion chamber in which the tip-end protruding portion is arranged. The plug cover is provided with an injection hole that communicates the pre-combustion chamber to the outside. A positioning portion that performs positioning of the housing and the plug cover in a plug circumferential direction is provided in the housing and the plug cover.

Abstract: The present invention pertains to devices and applications for lighting device assemblies to provide a user versatile lighting options. More specifically, the invention pertains to a device or devices that utilize a removable sleeve mounted around a versatile lighting device base housing, and a housing with a 90 degree pivoting electrical cord attachment, which provide the user multiple design and mounting options. The sleeve may be comprised of one or more cutouts to allow access to different functionality. The sleeve may be cylindrical or any other geometric or abstract structure. In another embodiment of the invention, the lighting device assembly comprises a versatile base which may be placed on a flat surface, mounted to a wall, mounted to a ceiling, or hung by an electrical cord. An electrical cord attachment with a 90 degree pivot provides the user the ability to hang vertically.

Abstract: A spark plug for an internal combustion engine includes a housing, an insulator, a center electrode, a ground electrode, and an auxiliary chamber forming portion. The ground electrode faces the center electrode from an outer peripheral side and forms a discharge gap between the ground electrode and the center electrode. An auxiliary chamber is formed inside the auxiliary chamber forming portion. A distance in an axial direction between the discharge gap and a distal end of the auxiliary chamber is equal to or greater than a maximum wall thickness of the auxiliary chamber forming portion. The auxiliary chamber forming portion includes injection holes. The injection holes are formed in a state where openings on an outer side are located closer to a distal end than openings on the auxiliary chamber side. At least one of the injection holes is an injection hole in the axial direction formed along an axial direction of a plug.

Abstract: A backlight module including a circuit substrate, a plurality of light-emitting devices, a first cholesteric liquid-crystal layer, and a second cholesteric liquid-crystal layer is provided. The light-emitting devices are disposed on the circuit substrate and electrically connected to the circuit substrate. The first cholesteric liquid-crystal layer is disposed on the light-emitting devices and overlapped with a light-emitting surface of each of the light-emitting devices. The second cholesteric liquid-crystal layer is disposed on the first cholesteric liquid-crystal layer and overlapped with the first cholesteric liquid-crystal layer. The first cholesteric liquid-crystal layer and the second cholesteric liquid-crystal layer respectively have a first chiral direction and a second chiral direction. A display apparatus adopting the backlight module is also provided.

Abstract: A spark plug for an internal combustion engine includes insulating glass having a tubular shape, a central electrode including a tip protruding portion, a housing having a tubular shape, and a plug cover provided over an auxiliary combustion chamber. The plug cover is provided with injection holes through which the auxiliary combustion chamber communicates with the exterior. The central electrode includes a base material and a core material disposed inside the base material and having a higher thermal conductivity than the base material. The core material includes a large diameter portion and a small diameter portion continuously formed on a tip side of the large diameter portion. The small diameter portion has a smaller diameter than the large diameter portion, and includes, in a part of the small diameter portion in an axial direction, a small-diameter columnar portion having a constant diameter.

Abstract: A nitride phosphor having a composition containing Eu, Si, Al, N, and a group 2 element including at least one selected from the group consisting of Mg, Ca, Sr, and Ba. In the composition, a ratio of a total molar content of the group 2 element and Eu to a molar content of Al is 0.8 or more and 1.1 or less, a molar ratio of Eu is 0.002 or more and 0.08 or less, a molar ratio of Si is 0.8 or more and 1.2 or less, and a total molar ratio of Si and Al is 1.8 or more and 2.2 or less. The nitride phosphor has a first peak in a range of 17° 2? or more and 19° 2? or less and a second peak in a range of 34° 2? or more and 35.5° 2? or less in a CuK? powder X-ray diffraction pattern.

Abstract: This spark plug includes a cap portion covering a center electrode and an end of a ground electrode from a front side. In a cross section including an axial line, where a pitch of an external thread of a metal shell is X (mm), an axial-line-direction distance between a crest of a rear-end ridge of a full thread portion of an external thread and a rear end of a contact portion of an insulator with which the metal shell contacts directly or via another member is A (mm), an axial-line-direction distance between the rear end of the contact portion and a front end of the insulator is B (mm), and an axial-line-direction distance between the rear end of the contact portion and a seating surface of the metal shell is C (mm), 0<A<4X, B?15, and C?3.6 are satisfied.

Abstract: Provided is a wavelength converting composite member including: a disk-shaped substrate; a first wavelength converting member provided on the substrate and containing a first phosphor that radiates fluorescence due to a parity-forbidden transition; and a second wavelength converting member provided on the substrate and containing a second phosphor that radiates fluorescence due to a parity-allowed transition. The first wavelength converting member and the second wavelength converting member are disposed adjacent to each other along the circumferential direction of the substrate. The first wavelength converting member and the second wavelength converting member are provided on the substrate in such a way that the position of the center of gravity of the entirety of the first wavelength converting member and the second wavelength converting member is located on the rotation axis of the substrate. A light emitting device is provided with the wavelength converting composite member.

Abstract: A spark plug has an insulator having a through hole formed along an axial direction, a center electrode which is partially inserted into a portion of the through hole on a forward end side in the axial direction, and a glass seal portion which is in contact with the insulator and the center electrode within the through hole, in which the glass seal portion contains glass and an electrically conductive substance. The glass contains an Si component and a B component in a total amount of 50 mass % or more, as reduced to SiO2 and B2O3, a Zn component in an amount of 20 mass % to 35 mass % as reduced to ZnO, and an alkali metal component. The glass contains, as the alkali metal component, an Na component in an amount less than 1 mass % as reduced to Na2O.