Abstract: A light-emitting panel includes at least a first light-emitting element emits and a second light-emitting element, each light-emitting element having, between a reflective film and a semi-transmissive/semi-reflective film, a layer including an optical adjustment layer and a light-emitting organic compound interposed between a pair of electrodes. One of the light-emitting elements further includes a layer transmitting red light provided over the corresponding semi-transmissive/semi-reflective film. The layer having the organic compound emits light having a wavelength between 600 nm and 800 nm, and light having a wavelength between 400 nm and 600 nm.

Abstract: A first substrate of a light bar assembly includes a first edge and a second edge parallel to each other along a first direction. A first connecting end includes a first connecting portion protruding further outward than a second connecting portion. A first bonding pad and a second bonding pad are disposed on the first substrate. First solid-state semiconductor light sources are disposed along the first edge and the second edge. A second substrate, disposed corresponding to the first substrate, includes a third edge, a fourth edge, a second connecting portion, a third bonding pad, a fourth bonding pad, and second solid-state semiconductor light sources. A first connecting device is electrically connected to the first bonding pad and the fourth bonding pad; a second connecting device is electrically connected to the second bonding pad and the third bonding pad to fix the first substrate and the second substrate.

Abstract: A lighting apparatus and method of use provides for increasing the visibility of a cyclist. The lighting apparatus includes a plurality of lights that may be arranged in a linear array to facilitate attachment to elongate members of a bicycle. The plurality of lights can be mounted on a substrate that is received in a mounting member, which in turn can be attached to a bicycle. Alternatively, the lighting apparatus may be formed integrally as part of a bicycle. Attachment of one or more lighting apparatuses to a bicycle can provide for increased visibility of a cyclist from the front, the rear, or the side, and may be configured to provide increased visibility when it is either dark or light outside.

Abstract: There are provided an illumination unit capable of reducing formation of a double image in three-dimensional display and a display unit including the same. An illumination optical system configured to generate linear illumination light formed by two-dimensionally arranging a plurality of linear illumination light beams or a plurality of point-like illumination light beams, and a reflective plate configured to reflect the linear illumination light are included. The reflective plate reflects the linear illumination light to or close to a plane passing through a part that generates the linear illumination light and being perpendicular to a plane including the reflective plate.

Abstract: The present invention includes an LED lighting assembly containing: a housing; one or more solid state lighting units contained within the housing and actuated by alternating current power; a night light contained within the housing and operably communicating with the solid state lighting units, the night light actuated by direct current power in the absence of light from the solid state lighting units; one or more light emitting diodes contained within the night light; and a battery source for powering the night light in the event of power interruption. In yet another aspect of the invention, a lighting unit contains: a housing or elongated tube; one or more light emitting diodes contained within the housing or elongated tube; and a battery source contained within the housing or elongated tube, the battery source configured to selectively power the light emitting diodes with direct current energy.

Abstract: The present invention is an improved LED lighting module. Preferably, the LED lighting module comprises a first LED base, a central LED base containing a printed circuit board, and a third LED base, where the first and third bases are connected by spacer tubes. Each LED base has an LED pc-board mounted thereon. A main power line runs through the set of three LED bases. A first series connector line connects the printed circuit board to the first LED board and a second series connector line connects the printed circuit board to the third LED board. A first connection line connects the first LED board to the central LED board and a second connection line connects the central LED board to the third LED board. These LED module sets can be connected consecutively to create strings of series wired sets from the same main power lines.

Abstract: A linkable linear light emitting diode (LED) system provides apparatus and method for mechanically, optically, and electrically linking multiple LED modules disposed over a wide and separated area of a ceiling system. Openings can be cut in ceiling tiles of a drop ceiling system and the LED lighting modules are coupled to the tile through the opening, with the tile being sandwiched between different portions of the module. A remote driver system is placed within the drop ceiling above the tiles and provide multiple connectors for powering a multitude of lighting modules. Certain of the LED lighting modules include both input and output connectors for both receiving power or data and providing power or data to other modules. In this manner, some of the modules act as master LED lighting modules and those receiving power and/or data therefrom are act as slave modules.

Abstract: According to one embodiment, a depth correction apparatus includes a clusterer, a calculator and a corrector. The clusterer is configured to apply clustering to at least one of pixel values and depth values of a plurality of pixels in a calculation range corresponding to a correction target pixel, and to classify the plurality of pixels in the calculation range into a plurality of classes. The calculator is configured to calculate pixel value statistics of the respective classes using pixel values of pixels in the respective classes. The corrector is configured to determine a corresponding class of the correction target pixel based on a pixel value of the correction target pixel and the pixel value statistics of the respective classes, and to apply correction which replaces a depth value of the correction target pixel by a representative depth value of the corresponding class.

Abstract: Devices, systems, and methods are provided for achieving desirable light distributions. In one exemplary embodiment, the light module includes a body having a pair of opposed complex parabolic bodies, an LED light source, and an inner reflective surface. The light source can be configured to provide for a desired light distribution, such as a bat wing light distribution. The provided light distribution can be such that it is not the result of passing light through a secondary optics component. Thus, while in some embodiments the LED module can include a glare reduction lens disposed over at least part of the LED light source, the lens may not affect the resulting light distribution configuration. Exemplary configurations of other systems, devices, kits, and methods associated with the teachings are also provided.

Abstract: A retrofit kit for a gutted fluorescent light fixture includes a self contained source of visible radiant energy configured to replicate a light pattern generated by the gutted fluorescent light fixture but with improved luminance; where the self contained source of visible radiant energy is adapted to be coupled to a universal source of electrical energy and supported by the fluorescent light fixture without modification after the fluorescent light fixture has been gutted of its ballast, electrical sockets, fluorescent bulb and ballast cover.

Abstract: A multi-distributive lighting mount includes a first mounting surface rotatably coupled to a second mounting surface. Longitudinally extending LED light modules are coupled to each of the first and second mounting surfaces. The direction of light for each of the first LED light module and the second LED light module is affected by the rotational positioning of the first mounting surface with respect to the second mounting surface. The first mounting surface can also include a first barrel portion and a second barrel portion. The second mounting surface can also include a first barrel portion and a second barrel portion. A pin extends through the second barrel portion of the first mounting surface and the second barrel portion of the second mounting surface to rotatably couple the first mounting surface to the second mounting surface and to act as the axis of rotation of the first mounting surface with respect to the second mounting surface.

Abstract: A lighting device has a base body of translucent material, in which several light-emitting diodes, which are applied to a flexible adhesive strip having integrated conductors, are arranged at intervals. A cavity is milled into the rear of the base body, the width and length of the cavity being slightly smaller than the width and length of the base body. A closed edge web is created along the periphery of the base body. An adhesive strip having light-emitting diodes is applied to the interior side of the edge web over the entire length in such a way that light-emitting diodes are arranged on the interior sides of opposing edge web sections. The light-emitting diodes illuminate a solid section of the base body in front of the cavity and produce a high luminous density on the front side. The rear side of the cavity is closed by a cover.

Abstract: A light emitting diode (LED) lighting fixture for achieving a desired illumination pattern includes a support plate and a plurality of panels Connected to the support plate. Each panel has an array of LEDs mounted to a planar surface thereof, and each of the panels is rotatable in at least two dimensions.

Abstract: A light emitting lamp, a backlight assembly and a display device including the same are provided. The light emitting lamp includes a lamp tube longitudinally extended along an extension line, and a plurality of set electrodes disposed on a periphery of the lamp tube and along the extension line. The periphery of the lamp tube is divided into a first region and a second region by a plane including the extension line, and each of the set electrodes includes a first electrode disposed on the first region and a second electrode disposed on the second region.

Abstract: This disclosure relates to retrofit systems and methods for lighting installations, and in particular, to retrofit systems and methods used to retrofit troffer-style lighting installations with LED light sources. Retrofit systems can be used with different light fixtures, but those described are particularly adapted for use with troffer-style fixtures. These retrofit systems can provide the same amount of light as traditional light fixtures already do, for example 1600-4000 lumens or more. The retrofit systems can be used with many different light sources but are particularly well-suited for use with solid state light sources or light engines, such as those utilizing LEDs. Some embodiments of the present invention comprise a mechanical mounting system for installing an LED light engine within an existing lighting system housing or pan, such as a troffer pan, without penetrating the ceiling plenum.

Abstract: An illumination apparatus includes an elongate chassis, a plurality of light emitting devices, a plurality of lenses, an elongate populated board, an elongate holding member, and a heat radiation member. The chassis includes a supporting portion supporting the opposite, longer-side ends of the populated board and a first engagement portion fitting and securing the holding member to the chassis. The holding member includes a plurality of second engagement portions fitting and securing each lens to the holding member and a resilient biasing portion resiliently biasing the longer-side ends of the populated board toward the supporting portion. The populated board is pinched and secured by the resilient biasing portion and the supporting portion and the heat radiation member is sandwiched and thus secured by the populated board and a bottom wall in contact with the populated board and the bottom wall.

Abstract: A lamp with uniform illumination pattern is used for continually illuminating an illuminated area and includes at least one light module. The at least one light module includes two light sources respectively having different light intensity and arranged orderly. Two extension cords of two optical axes of the two light sources have one crossover point. Light emitted from the light source with less light intensity illuminates the illuminated area which is closer to the light module, while light emitted from the light source with greater light intensity illuminates the illuminated area which is farther to the light module. Light emitted from the light source, which is father to the illuminated are, can make up the intensity losses of attenuation since light emitted from the light source which is father to the illuminated area have greater light intensity. As a result, the lamp has uniform illumination pattern.

Abstract: The luminaire comprises a housing including at least one optical module. The optical module has a plurality of light emitting diodes disposed within a reflector. The reflector includes opposed curved longitudinal walls and opposed curved end walls.

Abstract: An improved light emitting diode (LED) illuminating assembly is provided with a multiple sided LED lighting bar, also referred to as a multi-sided LED light bar, comprising a non-curvilinear LED luminary for enhanced LED lighting. The LED illuminating assembly can be used for overhead ceiling lighting, menu boards and other LED illuminating signs, as well as for other uses.

Abstract: A device, kit, and method for a luminaire having a first LED module with a first length and a plurality of LEDs, said LEDs disposed at predetermined pitch. A second LED module having a second length and a plurality of LEDs, said LEDs disposed at the same pitch as the first module. Wherein said first LED module and said second LED module have at least one LED disposed one half of the pitch from an edge of the LED module which when combined provide for uniform lighting across multiple LED modules. Certain embodiments may include one or more hubs for mounting the luminaire on predetermined centers.

Abstract: A light emitting diode (LED) lamp includes a tube having a transparent first section and an opaque second section. An LED disposed inside of the tube. The second section is has an inner surface having a light diffusive surface so that the LED light is diffusively reflected. The LED is disposed so that a total amount of direct light from the LED to the first section is smaller than a total amount of indirect light that is incident on the first section as a result of being reflected by the second section (i.e., scattered or diffused light). The LED is disposed so that a light axis of the LED points toward the inner surface of the second section.

Abstract: Embodiments of the present invention provide light fixtures having lenses and light engine units for use therein. To mimic the size and appearance of fluorescent bulbs in existing fixtures, LEDs are may be arranged on light bars or mount surfaces with integrated lenses to diffuse the light and shape the output beam. One or more LEDs can be mounted along the length of a base of the light engine which can then be inserted into a fixture. An elongated lens is mounted to the base over the LEDs so that light emitted from the LEDs interacts with the lens before it escapes the fixture. These lenses may be extruded from a diffusive material and can be shaped in various ways. For example, the lenses may be shaped to disperse more light to the sides, i.e., in a direction away from a normal axis that is perpendicular to the base.

Abstract: Light fixtures having light bar elements therein. In order to mimic the size and appearance of fluorescent bulbs in existing troffer-style and surface-mount fixtures, LEDs are may be arranged on light bars with integrated lenses to both diffuse the light and shape the output beam. One or more LEDs can be mounted, sometimes in clusters, along the length of a base of the light bar which can then be inserted into a fixture. An elongated lens is mounted to the base over the LEDs so that light emitted from the LEDs interacts with the lens before it escapes the fixture. These elongated lenses may be extruded from a diffusive material, for example, and can be shaped in various ways. For example, the lenses may be shaped to disperse more light to the sides, i.e., in a direction away from a normal axis that is perpendicular to the base.

Abstract: The present invention relates to lighting strips and more particularly to flexible lighting systems and devices, which are waterproof. The lighting strips are modular and are capable of being physically and electrically connected with one another to provide lighting systems that are waterproof and adaptable to many situations. Included in embodiments of the invention are modular lighting strips comprising: a non-conductive substrate strip comprising an electrical circuit; a plurality of high brightness LEDs operably connected to the electrical circuit; a colloid layer comprising polyurethane resin providing a waterproof coating over the substrate, the circuit, and the LEDs; and a plug at one end and a socket at an opposing end of the substrate which is integrally formed with the strip to provide for waterproof electrical interconnection of two or more circuits or to a power supply.

Abstract: A lighting device (1, 1?) having a tube (2), at least sections of which are transparent, and a plurality of light-emitting diodes (LEDs) (4), the LEDs being arranged within the tube next to one another and parallel to the tube longitudinal axis (L), wherein at least one separate optical means (5, 6; 5?, 6?) is arranged within the tube (2).

Abstract: According to one embodiment, an LED module includes a substrate and a Connection circuit. The Connection circuit includes at least two series circuits, in each of which a plurality of LEDs are connected in series. The LEDs of the series circuits different from one another are mixedly arranged along the longitudinal direction of the substrate.

Abstract: An indoor illuminator for adjusting lighting field includes a casing, two adjusting portions and two illuminating strips. The casing has a top plate and two side plates. Each adjusting portion includes a bottom plate and a base plate. The base plate is mounted on the bottom plate. The two illuminating strips are respectively and correspondingly disposed on the two adjusting portions. Each illuminating strip includes an elongated loading plate and an elongated positioning plate. The loading plate has multiple light emitting diodes mounted on the loading plate. The positioning plate is respectively connected with the loading plate and the base plate of a corresponding adjusting portion to be enclosed as a triangular tube. The loading plate is pivotable relative to the base plate such that a projecting angle of the loading plate is adjustable and the lighting field is adjustable.

Abstract: A lighting assembly including an elongated mounting component with two elongated and angled mounting surfaces, two or more LED-based printed circuit board having a plurality of LEDs on one surface and circuitry on a second surface. The printed circuit boards are fastened to the mounting surfaces, by a plurality of longitudinally-spaced nonconductive fasteners, substantially parallel but elevated above the mounting surfaces. The lighting assembly is configured to be mountable to extend within existing light fixtures such that the LEDs are positioned to provide a light pattern similar to the illumination pattern previously produced by the original fixture.

Abstract: This invention provides a vapor-tight luminaire that maintains a moisture-proof, sealed lower housing for the light-producing lamps (fluorescent lights, LED arrays, etc.) while isolating the electronic components in a separate, upper housing that is spaced apart from, and largely thermally isolated from, the lamps. The lamp housing comprises a unitary non-penetrated tubular lens with one or more removable end caps, sealed by gaskets. The lamp assembly is slidably mounted within the lower housing so that it is readily removable and replaceable with another assembly of the same or different type. The electronics in the upper housing is readily accessible and replaceable by removing a top cover that encloses a three sided channel member. The upper housing is metal and desirably enhances heat exchange with the environment. The two housings are held together by a pair of opposing end cap structures that include a housing end and a removable end cap.

Abstract: The driving circuit for a light emitting diode (LED) backlight includes at least two lightbars arranged in parallel connection. An output end of each of the LED lightbars is coupled with a converter module, and the converter module is configured with a digital potentiometer balancing a voltage difference between the LED lightbars and adjusting a resistance by an electric signal. In the present disclosure, the digital potentiometer adjusting the resistance by the electric signal is arranged in the converter module connected with the LED lightbar in series, and the resistance of the digital potentiometer is dynamically adjusted according to the resistance of different LED lightbars during use. Thus, the total voltage of each LED lightbar and the digital potentiometer connected with the LED lightbar in series is constant.

Abstract: A power supplying module includes a printed circuit board (PCB), a transformer, a circuit pattern, and an output terminal. The PCB includes a first socket connector protruded from a side toward a second direction. The side extends along a first direction different from the second direction. At least one corner portion of the first socket connector includes a chamfered edge connecting first and second edges respectively extending in the first and second directions. The transformer is formed on the PCB. The circuit pattern is formed on the PCB and connected to the transformer. The output terminal is formed at the first socket connector and connected to the circuit pattern.

Abstract: The invention relates to the field of LCDs, and more particularly to an LED lightbar for a backlight module, and a backlight module. The front face of the LED lightbar is provided with LED lights, and the back face of the LED lightbar is a plane used for the sticking of a thermal conductive adhesive; the back face of the LED lightbar is provided with positioning edge(s) used for positioning the thermal conductive adhesive, and the positioning edge(s) is protruded from the back plane of the LED lightbar. The back face of the LED lightbar for a backlight module of the invention is provided with positioning edge(s) used for positioning the thermal conductive adhesive, and the positioning edge(s) is protruded from the back plane of the LED lightbar. When sticking the thermal conductive adhesive, the operator can align the thermal conductive adhesive with the edge of the positioning edge(s) to tidily stick. If being tidily stuck, the thermal conductive adhesive is tightly matched with the LED lightbar.

Abstract: Embodiments include a telepresence system operative to carry out a teleconference, a lighting arrangement for a telepresence system operative to carry out a teleconference, and a planar panel having a reflective front surface that includes indentations having variable depth operative such that that when the reflective surface is illuminated by a light source, light is directed towards one or more participants in a telepresence system that is operative to carry out a teleconference.

Abstract: A lighting fixture having a louvered light shield is provided. The louvered light shield has at least one light emitting section with a plurality of alternating ridges and troughs. A plurality of sidewalls connect the ridges and troughs. A plurality of the ridges have a light exit opening therethrough. The light exit opening enables light from a light source of the lighting fixture to exit the lighting fixture.

Abstract: An LED lamp tube comprises a tube body, at least one circuit board inside the tube body, at lease one LED module on the circuit board, and electrical connectors at the ends of the tube, wherein the tube body is an integrally formed hollow tube, and has at least one group of supporting and positioning ribs on the inner wall thereof along the length direction; the circuit board is fixed by the supporting and positioning ribs; the LED lamp tube disclosed by the present invention has a firm assembly structure with less thermal deformation, and more particularly just like the conventional fluorescent tubes it has a wide light-emitting angle, thereby providing better illumination effects.

Abstract: The present invention relates to a connection wire structure of a direct light bar and a connection method thereof. The connection wire structure of the direct light bar includes a plurality of light bars and connection wires, and a circuit board. Each light bar includes a wiring board that includes a first exposed copper zone that includes a hole to serve as a circuit connection contact. The circuit board includes a second exposed copper zone that includes a hole to serve as a circuit connection contact. Each of the connection wires has two ends to each of which a copper ring is connected. The two copper rings of each of the connection wires are respectively connected to the first exposed copper zones or the second exposed copper zones corresponding thereto by coupling pieces so as to establish electrical connection. A connection method of the direct light bar is also provided.

Abstract: A lens diffusing light emitted from a light source includes a concave light-incident surface, a light guide portion, and a light-emitting surface. The light-incident surface includes a plane portion opposed to the light source and an optical function portion that is formed on the plane portion and one of scatters and diffuses the light. The light emitted from the light source enters the light-incident surface. The light that has entered the light-incident surface passes through the light guide portion. The light-emitting surface emits the light passed through the light guide portion.

Abstract: Display case lighting comprising a lens with integrally formed features on its interior to mechanically retain LED units therein, at least one LED unit comprising a base and diodes mechanically engaged with the integrally formed features of the lens, an electrical connector to connect the LED units to a power source, and at least one end cap, which preferably incorporates the electrical connector. Sealing implements including a boot seal to seal the electrical connection and a plug cover to cover any unused electrical connectors may be provided, as well as an adhesive to secure the end cover to the lens and seal the connection therebetween, rendering the lighting assembly suitable for use in wet or potentially explosive environments. The externally accessible components may also comprise materials approved for contact with food items.

Abstract: The present disclosure provides an LED tube lamp including a base, a circuit board and at least one light emitting diode arranged on the circuit board. The base includes a connecting surface for mounting the circuit board and two side walls extending from the connecting surface. The two side walls are deformable and rigidly engage the circuit board on the connecting surface.

Abstract: The luminaire comprises a housing including at least one optical module. The optical module has a plurality of light emitting diodes disposed within a reflector. The reflector includes opposed curved longitudinal walls and opposed curved end walls.

Abstract: An electrode plate for an external electrode fluorescent lamp and a backlight are disclosed. The electrode plate for external electrode lamp comprising a strip pressure plate made of conductive material, wherein the strip pressure plate comprises a first surface on which at least one groove are provided and a second surface that is opposite to the first surface, the grooves run across both sides of the first surface and accommodate external electrodes of the external electrode lamps.

Abstract: A light fixture (2) that has at least one explosion-proof transparent tube (8) having first and second ends, as well as first and second fixture ends (4, 6) attached to the first and second ends of the at least one transparent tube (8). The fixture ends (4, 6) define openings (42) arranged and designed to provide access to the interior of the at least one transparent tube (8). The light fixture (2) further includes a plurality of removable caps (40) arranged and designed to close and seal the openings (42), and a plurality of light emitting diodes (12) arranged and designed to be positioned within the at least one transparent tube (8) and to emit light through the tube (8).

Abstract: A back-light unit is disclosed. An object of the present invention is to provide a back-light unit that is able to improve structural stability and mass-production efficiency. The back-light unit includes a circuit substrate comprising a plurality of light sources arranged thereon, an optical sheet positioned on the circuit substrate, a plurality of supporting parts arranged between the circuit substrate and the optical sheet to support the optical sheet, which are installed to the circuit substrate by using surface-mount technology (SMT).

Abstract: An improved light emitting diode (LED) illuminating assembly is provided with a multiple sided LED lighting bar, also referred to as a multi-sided LED light bar, comprising a non-curvilinear LED luminary for enhanced LED lighting. The LED illuminating assembly can be used for overhead ceiling lighting, menu boards and other LED illuminating signs, as well as for other uses.

Abstract: A light-guiding element, an illumination module and a laminate lamp apparatus are provided. The light-guiding element comprises an upper reflection member extended along a longitudinal axis direction, and a lower reflection member extended along the longitudinal axis direction thereof and coupled to the upper reflection member. The lower reflection member comprises a first reflective portion with at least a first inclined flat plate, and the upper reflection member comprises a second reflective portion facing towards the first reflective portion. A light placement portion and a light outputting trough are formed between the first reflective portion and the second reflective portion. The light outputting trough is gradually expanded largely according to a direction of being away from the light placement portion.

Abstract: Modular LED lighting systems can provide under-cabinet lighting. According to some embodiments, an LED lighting system may be provided with at least one LED light strip, a switch unit, and a removable electrical connector electrically connecting the at least one LED light strip to the switch unit in an end-to-end configuration. According to other embodiments, a modular under-cabinet LED lighting system may be provided having a plurality of LED light strip units having a female power receptacle at each end thereof, and at least one removable electrical connector received within respective female power receptacles at respective ends of an adjacent pair of the LED light strip units to electrically connect the pair of LED light strip units in series one to another in an end-to-end configuration. Because of the modular nature of the various components, a lighting system tailored to a specific under-cabinet lighting need can be provided.

Abstract: A method and a system for illumination of a personal item, the system comprising at least one light source activated by a textile switch, the light source and the textile switch being secured to a textile substrate and connected by conductors on the textile substrate, the textile substrate being secured on the personal item. The method comprises securing at least one light source and a textile switch on a substrate, connecting the light source and the textile switch by conductors on the substrate, connecting the light source and the textile switch to a powering unit, securing the substrate to the personal item and operating the textile switch.

Abstract: A lighting device includes a housing, at least one reflector disposed inside the housing; and a light source unit being disposed inside the housing and emitting light toward the reflector, wherein the light source unit includes a light emitting groove formed therein, the light emitting groove including a basal surface sloped toward the reflector, and wherein a plurality of light emitting devices are disposed sloping along the basal surface in the light emitting groove, and wherein the light emitting groove includes a projection part formed from the basal surface, the projection part blocking the light emitted directly from a plurality of the light emitting devices to the outside of the housing.

Abstract: In one embodiment, a light emitting device comprises two tubes comprising linear arrays of light emitting diodes physically coupled by a third tube. In one embodiment, the third tube comprises a linear array of light emitting diodes. In another embodiment, the first tube, second tube, and third tube of the light emitting device are positioned to substantially form the shape of a character “U” in a plane perpendicular to the optical axis. In another embodiment, the first linear array of light emitting diodes has an average spacing between the light emitting diodes, and a ratio of the first, shorter dimension of the light emitting diodes to the average spacing is between 1 and 3.

Abstract: The invention relates to an LED tube system for driving at least one LED assembly comprising: an LED tube housing for containing the at least one LED assembly, two pairs of mains input terminals (A, B) provided at ends of the LED tube housing for receiving a mains supply voltage (Vmns) and for supplying the mains supply voltage (Vmns) to an internal part of the LED tube system for driving the at least one LED assembly, and further comprising a switching circuit being electrically connected with all mains input terminals (A, B, C, D) and being arranged for electrically connecting the pairs of mains input terminals together in a first state (2/ON) and electrically separating the pairs in a second state (1/OFF) of the switching circuit. The switching circuit being further arranged for providing a coupling capacitor (C10, C11) between the first pair and the second pair of input terminals in the first state (2/ON) and removing the coupling capacitor (C10, C11) in the second state (1/OFF) of the switching circuit.