Abstract: The present disclosure provides a light distribution element and a light source module. The light distribution element includes: a light incident surface which is in the shape of a smooth inward concave curved surface and forms an accommodation cavity for accommodating a light emitting unit; and a light emitting surface which is in the shape of a smooth outward convex curved surface and is provided opposite to the light incident surface. There is a difference between the thickness of the light incident surface and the thickness of the light emitting surface, thus in the light spot formed by the light emitted from the light emitting surface where the thickness is relatively large, the color tolerance between a yellow spot and white light is less than a preset color difference.

Abstract: The present disclosure discloses a lighting device, including: a housing, an optical element connected with the housing, a receiving chamber formed by engaging the housing with the optical element, and a light source component and a driving power supply component both located in the receiving chamber. The lighting device further includes a passage located in the receiving chamber, the passage passes through the housing and the optical element, and an interior of the lighting device is communicated with an exterior of the lighting device by the passage.

Abstract: The polymerizable composition for optical materials of the present invention includes a polyester polyol (a), a compound (b) of which light absorption characteristics vary by sensing changes in environment; and a polymerization reactive compound (c).

Abstract: A stack comprises a substrate, a magnetic recording layer, and a negative thermal expansion layer disposed between the substrate and the magnetic recording layer. The negative thermal expansion layer is configured to reduce thermal profile changes of a surface of the stack opposite the substrate during a heat assisted magnetic recording write operation.

Abstract: A lighting apparatus includes a light source circuitry and an optical element. The light source circuitry has a light source baseplate, a plurality of light-emitting units arranged in an annular shape on the light source baseplate, and a driving circuitry located in an annular region surrounded by the light-emitting units on the light source baseplate. The optical element includes an annular optical accommodation region at an outer periphery and a driving accommodation region protruded from the optical accommodation region and is disposed in a region surrounded by the optical accommodation region. The optical accommodation region includes an optical accommodation groove which is facing the light-emitting units and configured to accommodate the light-emitting units.

Abstract: The present disclosure discloses an illuminator device including a housing, a heat dissipation member at an end of the housing, a light source module configured to include an end in thermal contact with the heat dissipation member, an optical member at another end of the light source module, and a driving power supply module; the light source module and the housing are respectively provided at two ends of the heat dissipation member; by the additional heat dissipation member in the illuminator device and a plurality of channels communicating inside with outside of the illuminator device and penetrating through the housing and the heat dissipation member, the heat emitted by the light source module in the illuminator device can be effectively and rapidly dissipated through the channels.

Abstract: Examples of the present disclosure disclose a light source apparatus and a method of manufacturing the light source apparatus. The light source apparatus includes a luminescent component having a substrate and at least two luminescent units disposed on the substrate, where the at least two luminescent units is arranged along a circular ring; and a light distribution component including an optical element provided with an annular lens or a transparent mask and a mounting part encircling the annular lens or the transparent mask and being connected with the optical element and the substrate, where the lens or the transparent mask receive emergent light of the at least two luminescent units and emitting the light after light distribution, and the mounting part is bonded to the substrate and is configured to fix the optical element above the at least two luminescent units.

Abstract: An adapter, a light source device employing the same, and an illuminating device employing the same are provided. The adapter includes a main body, an ejector pin movably connected with the main body, and an operating member disposed between the ejector pin and the main body. The main body includes: a power supply mounting part, a light source mounting part, and a conducting wire extended from the power supply mounting part to the light source mounting part. The ejector pin is operationally moved to a blocking position for preventing the power supply mounting part from being matched with the power supply module and a release position for releasing the power supply mounting part to be matched with the power supply module. The operating member is operationally moved on the main body to an ‘on’ position and an ‘off’ position.

Abstract: A combined-type battery pack tab device has a switch unit, comprising a seat which is mounted on equipment and is provided with a plurality of male tabs that are matched with a male tab inside a batter pack, and the switch unit which has one end matched with the male tab and the other end is matched with a circuit in a piece of equipment. The battery pack tab device is provided with the switch unit, and the switch unit triggers the battery pack and the equipment into indirect conduction, which solves the problem of instant sparking at the moment when the battery pack and the equipment are triggered into direct conduction, eliminates the potential hazard of electric shock at the moment the battery pack and the equipment are separated, thus improving the operation safety of the battery pack.

Abstract: A lighting apparatus includes a light source circuitry and an optical element. The light source circuitry has a light source baseplate, a plurality of light-emitting units arranged in an annular shape on the light source baseplate, and a driving circuitry located in an annular region surrounded by the light-emitting units on the light source baseplate. The optical element includes an annular optical accommodation region at an outer periphery and a driving accommodation region protruded from the optical accommodation region and is disposed in a region surrounded by the optical accommodation region. The optical accommodation region includes an optical accommodation groove which is facing the light-emitting units and configured to accommodate the light-emitting units.

Abstract: A streetlight device includes a power source portion and a lighting portion. The power source portion includes a driving power source, a power source base provided with a receiving space for receiving the driving power source, and a power source upper cover for closing the power source base. The lighting portion is connected at one end of the power source upper cover. The power source upper cover and the power source base are connected with each other through a hinge assembly. The power source upper cover is provided with a power source mounting assembly, and the driving power source is mounted onto the power source upper cover through the power source mounting assembly.

Abstract: The present disclosure provides a light source module and an illumination device which relate to the technical filed of illumination. The light source module includes a light source component and a connector piece. The connector piece is mechanically and electrically connected with the light source component, the connector piece has a mechanical connection portion and an electrical connection portion, the mechanical connection portion is mechanically connected with a base, and the electrical connection portion is electrically connected with a power supply source.

Abstract: The present invention discloses a preparation method of an alkaline anion exchange membrane and a use of the membrane in a fuel cell. The preparation method of the alkaline anion exchange membrane contains: taking polyvinyl alcohol as a substrate, which provides mechanical strength for the membrane; taking a commercialized alkaline resin as an anion exchange resin of chemically reactive groups, performing a cross-linking reaction between polyvinyl alcohol and the alkaline resin by mixing; meanwhile, during the process of forming the alkaline anion exchange membrane, adding an organic salt of transition metal, and doping transition metal ions into the membrane. By taking advantages of catalytic characteristics of the transition metal ions, the fuel leaking from the anode of the cell can perform a catalytic reaction in time in the ion exchange membrane, and thereby improve an ion conductivity of the membrane and efficiently decrease a resistance of the cell.

Abstract: The present disclosure discloses an adapter for the adapting of at least two linear lamps in an illuminating device. The adapter includes: a first adapting member including a first insulating housing, a first light-transmissive hood assembled on the first insulating housing, a first light source component disposed between the first insulating housing and the first light-transmissive hood, and a first connector extended out of the first insulating housing; a second adapting member including a second insulating housing, a second light-transmissive hood assembled on the second insulating housing, a second light source component disposed between the second insulating housing and the second light-transmissive hood, and a second connector extended out of the second insulating housing; and a driving power supply module capable of being disposed in the first or second adapting member and electrically connected with the first and second light source components.

Abstract: The present disclosure discloses a lighting device, including a light body, a light source module mounted in the light body, and a light transmissive portion covering the light source module. The light source module includes a plurality of lenses and a light emitting unit accommodated in each of the lens; light emitted by the light emitting unit is emitted from the light transmissive portion after being distributed by the lens; the light transmissive portion is arc-shaped; and an incident angle corresponding to incident light at any point of the light transmissive portion is smaller than 45°. In the lighting device according to the present disclosure, by designing the light transmissive portion to be arc-shaped, the incident angle corresponding to the incident light on the light transmissive portion is limited within 45°.

Abstract: A filter set of a CT scanning device and control method thereof are provided. An example of the CT scanning device includes a gantry, an X-ray generator, a filter set, a detector, and a drive motor. The filter set includes a disc, a filter disposed on the disc and having a substantially annular groove structure, and a drive shaft connected to the disc. A body thickness of the annular groove structure varies in a circumferential direction and a radial direction. A shaft axis of the drive shaft is parallel to a radiation direction of X-ray. As the drive shaft is driven by the drive motor, the disc rotates around the shaft axis, such that a region of the filter is aligned with the radiation direction of the X-ray, and a body thickness of the region corresponds to a respective X-ray attenuation for an examination region of a subject.

Abstract: Systems and methods for adding a cap-layer to magnetic recording media are described. In one embodiment, the method may include depositing a magnetic recording layer over a substrate, depositing an interface layer over the magnetic recording layer, and depositing a carbon overcoat layer over the interface layer. In some cases, sputter deposition is used to deposit at least the interface layer. In some cases, oxygen is used as a background gas of the sputter deposition.

Abstract: The present disclosure provides a light distribution element and a light source module. The light distribution element includes: a light incident surface which is in the shape of a smooth inward concave curved surface and forms an accommodation cavity for accommodating a light emitting unit; and a light emitting surface which is in the shape of a smooth outward convex curved surface and is provided opposite to the light incident surface. There is a difference between the thickness of the light incident surface and the thickness of the light emitting surface, thus in the light spot formed by the light emitted from the light emitting surface where the thickness is relatively large, the color tolerance between a yellow spot and white light is less than a preset color difference.

Abstract: The present invention discloses a preparation method of an alkaline anion exchange membrane and a use of the membrane in a fuel cell. The preparation method of the alkaline anion exchange membrane contains: taking polyvinyl alcohol as a substrate, which provides mechanical strength for the membrane; taking a commercialized alkaline resin as an anion exchange resin of chemically reactive groups, performing a cross-linking reaction between polyvinyl alcohol and the alkaline resin by mixing; meanwhile, during the process of forming the alkaline anion exchange membrane, adding an organic salt of transition metal, and doping transition metal ions into the membrane. By taking advantages of catalytic characteristics of the transition metal ions, the fuel leaking from the anode of the cell can perform a catalytic reaction in time in the ion exchange membrane, and thereby improve an ion conductivity of the membrane and efficiently decrease a resistance of the cell.

Abstract: A lighting fixture is provided. The lighting fixture includes a lamp body, a light source component and an optical element; the lamp body and the optical element form a closed cavity, the light source component is accommodated in the closed cavity; the light source component includes a light source substrate and a light emitting unit located on a front surface of the light source substrate, and the optical element is located in a light emission direction of the light emitting unit; the light source substrate includes a back surface facing away from the front surface, the lamp body is formed with a heat dissipation structure, and the heat dissipation structure is in contact with the back surface of the light source substrate. The lighting fixture provided by the present disclosure has good heat dissipation performance.