Abstract: The invention relates to a centrifuge cup, which has a container and a cover. The cover has a lever including a guide element in each case on opposing edge areas thereof. The guide elements are able to be introduced into an associated guide path of the container by pivoting the lever. The guide elements are implemented in such a way that in a closed state of the cover with the container, a clamping force (F) having vertical force component (Fy) and horizontal force component (Fx) is provided at a contact point or a contact line of the guide elements with the particular associated guide path.

Abstract: A durable LED light engine includes a printed circuit board including LEDs mounted thereon positioned between a substantially U-shaped top enclosure and a bottom enclosure. Once assembled together, the combination of the substantially U-shaped top enclosure, the printed circuit board and the bottom enclosure are held together with a molding material.

Abstract: This invention relates to a light guide plate and methods of manufacture. The light guide plate is suitable for use in a range of applications, particularly those which require backlighting for display units, for example, liquid crystal displays. The light guide plate comprises a combination of light guide layers and one or more scattering features.

Abstract: A curved surface adjustment structure for an LED display screen, and an LED display screen. An upper frame and a lower frame of a box body of the LED display screen are both formed by rotatably connecting hinge blocks. Each of the hinge blocks comprises a hinge block body, on which a rotating connecting structure and a locating structure are provided. The rotating connecting structure comprises a lug and a groove body which are respectively arranged on two side edges of each hinge block, and a lateral groove is provided in the groove body; the lug on one hinge block is inserted into the groove of another hinge block which is adjacent thereto, and is movably connected together through a limiting shaft; and an arc-shaped groove hole, which is used as a motion track of the limiting shaft, is provided on the lug.

Abstract: A light bulb includes an Edison style base, light emitting diode circuitry coupled to the base, a bulb sealed about the base and extending above the base, an elongated filament substrate supported by the base and extending into the bulb above the base, a light emitting diode channel supported by the filament substrate, coupled to the light emitting diode circuitry, and extending into the bulb above the base, and an inert gas disposed within the bulb.

Abstract: A wearable headlamp is provided that may provide improved illumination control and adjustability. The wearable headlamp may include a primary light-emitting diode (LED) configured to illuminate an area in front of the headlamp and a photosensor configured to detect the level of ambient light surrounding the headlamp and adjust the luminous flux of the light emitted by the primary LED accordingly. Additionally, the headlamp may include an alternate, red LED to provide illumination where the brightness of the primary LED is not suitable. Furthermore, both the primary LED and alternate LED may be secured within a pivotable lamp housing that enables the direction of the light emitted from the LEDs to be adjusted.

Abstract: The invention described herein is a very thin flat panel LED luminaire, including a flat baseboard, a flat reflection panel, a flat acrylic panel, a flat diffusion panel, LED bar, and aluminum encasement frame which combines with the baseboard to form the chassis for the luminaire. The LED bar is placed along either or both sides of the stack. The acrylic panel is printed with a mesh-like mask pattern of dots in a pattern in which the density of the pattern is decreases the farther away from the LED bar the pattern is, differentially coupling the light from the point source LED bar from the reflection panel into the flat acrylic panel so that illumination across the luminaire is substantially uniform.

Abstract: A TRIAC low voltage dimming control system for effectively controlling the dimming of low voltage lighting using a TRIAC dimmer. The TRIAC low voltage dimming control system generally includes a TRIAC analyzer that applies a test voltage to a TRIAC dimmer and measures the amount of time required for the TRIAC dimmer to conduct electricity. Utilizing the measured time for the TRIAC dimmer to conduct electricity, the TRIAC analyzer is able to calculate an approximate state of the TRIAC dimmer and provide a corresponding level of DC electrical power to a DC load.

Abstract: The present invention relates to a centrifuge, in particular, a laboratory centrifuge, with a housing comprising a centrifuge lid, which delimits the centrifuge to the outside, a rotor and a rotor cover for closing the rotor, a connecting device comprising a holding arm and a holder being provided, via which the rotor cover and the centrifuge lid can be detachably connected with each other in such a way that the rotor cover is lifted off of the rotor upon opening of the centrifuge lid and is placed on the rotor upon closing the centrifuge lid. The holding arm is detachably and movably mounted in the holder during opening and closing of the centrifuge lid, and the holding arm and the holder are spaced via a gap space when the centrifuge lid is closed.

Abstract: An LED lighting system is provided for connection to a variable power source providing input power, the LED lighting system having at least one power analyzing and processing circuitry connecting to the variable power source, and being configured to identify one or more characteristics of the input power, where the characteristics are selected from amplitude, frequency and pulse width of the input power, compare one or more of the characteristics of the input power to preset control criteria either in hardware or software or both to yield a comparison result, and then control the current control circuitry according to the comparison result.

Abstract: A replacement LED insert module for retrofitting a pre-existing shoe box parking lot light. The module includes a plate into which an array of LED light fixtures capable of being operated directly from an AC power supply are mounted. The module is configured for attachment to a flange in the pre-existing shoe box parking lot light after the innards of the pre-existing light (bulbs, any reflectors, ballasts, etc.) have been removed.

Abstract: A connector for light-emitting diode (LED) strip light is disclosed. The connector has a cavity with conductive longitudinal and transverse pins that, when the connector is assembled with an LED strip light in a cavity within the housing of the connector, penetrate the insulation of the strip light to make electrical contact with the strip light's conductors. The connector also includes gasket seals and a removable portion that exposes the cavity. The removable portion may include a window to expose any LEDs that may be within the housing of the connector.

Abstract: Provided herein is an improved apparatus and system for providing a flashlight and charging base system. The flashlight of may include a light source, a power source having a charge level, a housing defining a major axis along which the housing extends, an adjustable ring disposed about the housing, where the adjustable ring is configured to be rotated between at least two positions, where each of the at least two positions define a different mode of operation, and a switch located proximate the barrel, where the switch is configured to turn the flashlight on and off. The adjustable ring may include a magnet, where the housing includes a Hall effect sensor, where the at least two positions of the adjustable ring are recognized by the position of the magnet relative to the Hall effect sensor.

Abstract: A system for mounting a light to a vehicle and methods for making and using same is disclosed herein. The system allows for a mounting assembly to be coupled to a front, a rear, or both the front and the rear of the roof of a vehicle. Lights can be mounting via light mounting brackets at various angles using a plurality of detents. The mounting assembly includes hollowed mounting fasteners for routing a light cable through the mounting fastener thereby requiring fewer holes through the roof of the vehicle to prevent water intrusion into the vehicle. The mounting fastener can be covered by a boot for preventing water intrusion into the vehicle. The mounting assembly advantageously can include a diffuser for reducing noise and vibration levels resulting from the coupling between the mounting assembly and the vehicle.

Abstract: The invention relates to a flexible LED strip, comprising modules that include light-emitting diodes (3) arranged successively at intervals, in particular equal intervals longitudinally, wherein the light-emitting diodes (3) of each module are electrically interconnected on one circuit board (2) each, in particular together with other electronic modules (4), and the LED strip can be severed between the modules, in particular without destroying the electrical functionality of the modules, wherein each module has at least one contact region at which a power supply can be connected to the module and all circuit-board sections (2) are mounted in a flexible enclosure (1), wherein the at least one contact region of each module extends through the enclosure (1) and can be electrically contacted outside the enclosure (1). The invention furthermore relates to an end piece (7), a coupling piece (8), and a connector piece for power-supply lines (6) or control-signal lines (6) of this LED strip.

Abstract: A method of commissioning wireless node devices in a private wireless network without compromising the security of the network, and also wireless devices adapted to commission and to be commissioned in such a manner. A commission key is provided out-of-band for use in commissioning the wireless node device and an identification key is provided for uniquely identifying the wireless node device on the private wireless network. An encrypted network key for the private wireless network is also provided over the wireless medium and is decrypted using an encryption key generated from the commission key and the identification key. The decrypted network key is used to associate the wireless node device with the private wireless network. The method and devices find particular application in wireless lighting systems, and the control thereof.

Abstract: A reflector interconnect having a front surface and a back surface is disclosed. The reflector interconnect comprises at least two segments of a reflector valve metal and at least one segment of an oxide of the reflector valve metal, wherein the at least two segments of the reflector valve metal are electrically isolated from each other by the at least one segment of the oxide of the reflector valve metal. The reflector interconnect is configured to support one or more electric components attached on the front surface in direct thermal contact with the reflector interconnect. The reflector interconnect is curved so that electromagnetic radiation radiated by at least one of the one or more electric components is reflected from the front surface and focused to a beam.

Abstract: A method for assembling and contacting an illuminant comprising one light emitting diode, having a support element on which the light emitting diode is arranged having passage openings in the electrical contact region of a cable and preferably in the vicinity of a cable. The method comprises contacting the cable with the support element and applying a hot melt adhesive to the cable and the support element; and thereby mechanically connecting the cable to the support element. The hot melt adhesive is applied to the support element in such a way that the hot melt adhesive fills the passage openings and lies on both sides of the support element.

Abstract: This invention relates to light guide devices and methods of manufacture. The light guide device is suitable for use in a range of applications, particularly in connection with the backlighting of displays, for example, liquid crystal displays.