Abstract: Provided is a light engine of a lamp. The light engine includes a number of light engine modules, and a support frame for movably mounting the light engine modules, where each light engine module comprises one or more light sources. The support frame includes a number of movable components, the movable components of the support frame are mechanically engaged to the light engine modules, such that mechanical motion of the movable components of the support frame relative to each other can cause the motion of the light engine modules relative to each other. In addition, a lamp with a light engine is provided.

Abstract: Provided is a lamp assembly including a lamp main body. The lamp assembly includes at least one light engine, and at least one first connector for electrically connecting the at least one light engine to a power supply and mechanically fixing the last light engine to the lamp main body. The at least one first connector is configured to separably mount the at least one light engine to the lamp main body. In addition, a method for assembling a lamp is also provided.

Abstract: A lighting device including an LED light source, wherein the LED light source includes a first LED strand for generating a first light with a first correlated color temperature and a second LED strand for generating a second light with a second color temperature different from the first color temperature. The lighting device further comprises control electronics with a controllable LED driver for driving the LED light source, wherein the control electronics comprise a switch for switching between the first LED strand and the second LED strand so that either the first LED strand or the second LED strand is activated depending on the switch position. A lighting system comprising the lighting device is further disclosed.

Abstract: A lighting device including an LED light source, wherein the LED light source includes a first LED strand for generating a first light with a first correlated color temperature and a second LED strand for generating a second light with a second color temperature different from the first color temperature. The lighting device further comprises control electronics with a controllable LED driver for driving the LED light source, wherein the control electronics comprise a switch for switching between the first LED strand and the second LED strand so that either the first LED strand or the second LED strand is activated depending on the switch position. A lighting system comprising the lighting device is further disclosed.

Abstract: A ripple reduction circuit for reducing a current ripple of a driver is provided. The driver circuit comprises an input section with input contacts for connecting the driver circuit to an AC power supply providing an AC input current and a power section for providing an output power, the power section comprising a power transformer and a power switch connected in series with a primary winding of the power transformer. The driver circuit further comprises a ripple reduction circuit with an inductance and a capacitive and two diodes, the ripple reduction circuit being configured such that, in operation, the inductance and the capacitance can be alternately charged and discharged, depending on the switching state of the power switch.

Abstract: A lighting device including an LED light source, wherein the LED light source includes a first LED strand for generating a first light with a first correlated color temperature and a second LED strand for generating a second light with a second color temperature different from the first color temperature. The lighting device further comprises control electronics with a controllable LED driver for driving the LED light source, wherein the control electronics comprise a switch for switching between the first LED strand and the second LED strand so that either the first LED strand or the second LED strand is activated depending on the switch position. A lighting system comprising the lighting device is further disclosed.

Abstract: A lighting device including an LED light source, wherein the LED light source includes a first LED strand for generating a first light with a first correlated color temperature and a second LED strand for generating a second light with a second color temperature different from the first color temperature. The lighting device further comprises control electronics with a controllable LED driver for driving the LED light source, wherein the control electronics comprise a switch for switching between the first LED strand and the second LED strand so that either the first LED strand or the second LED strand is activated depending on the switch position. A lighting system comprising the lighting device is further disclosed.

Abstract: A ripple reduction circuit for reducing a current ripple of a driver is provided. The driver circuit comprises an input section with input contacts for connecting the driver circuit to an AC power supply providing an AC input current and a power section for providing an output power, the power section comprising a power transformer and a power switch connected in series with a primary winding of the power transformer. The driver circuit further comprises a ripple reduction circuit with an inductance and a capacitive and two diodes, the ripple reduction circuit being configured such that, in operation, the inductance and the capacitance can be alternately charged and discharged, depending on the switching state of the power switch.

Abstract: A lighting device including an LED light source, wherein the LED light source includes a first LED strand for generating a first light with a first correlated color temperature and a second LED strand for generating a second light with a second color temperature different from the first color temperature. The lighting device further comprises control electronics with a controllable LED driver for driving the LED light source, wherein the control electronics comprise a switch for switching between the first LED strand and the second LED strand so that either the first LED strand or the second LED strand is activated depending on the switch position. A lighting system comprising the lighting device is further disclosed.

Abstract: A lamp is provided, the lamp comprising at least one LED module and a first housing part, wherein the LED module is sealed to the first housing part against environmental influences jointly by a first sealing member and a sealing compound.

Abstract: A lighting system comprises a primary luminaire and a secondary luminaire each having a light source. Electrical power can be transmitted wirelessly via an inductive wireless power transmission from the primary to the secondary luminaire. Electrical power can also be transmitted wirelessly via an RF wireless power transmission from a RF wireless power transmitter to both luminaires. Energy can be stored in energy storage means. Thus, true wireless lighting can be achieved.

Abstract: A LED filament for an omnidirectional lamp comprises two longitudinal filament sections, and each filament section includes a plurality of LEDs. The two filament sections are electrically conductively connected by a flexible connecting section. A lamp using such LED filaments provides a light distribution having an increased homogeneity.

Abstract: An LED lighting device includes a housing, an LED light-emitting unit arranged inside the housing, and an LED driver configured to drive the LED light-emitting unit to operate. The LED driver and the LED light-emitting unit are integrally arranged inside the housing. The LED lighting device allows the number of components to be reduced, and the structure to be more compact, thus allowing the LED driver to be set inside a housing of a small lighting device.

Abstract: A lighting device is provided, comprising at least one LED module, which is connected to a retainer, and a driver that is electrically connected to the LED module, wherein the driver is at least partially cast by a potting material wherein the driver is connected to the retainer via an adaptor board that is positioned in between the driver and the retainer.

Abstract: The present invention relates to a connector device for an illumination apparatus and an illumination apparatus comprising this connector device. The connector device comprises a stationary element for connecting to the illumination apparatus, a first movable element for connecting to a power supply, a second movable element rotatably connected to the stationary element, and a locking element arranged between the stationary element and the second movable element, wherein rotation of the second movable element in a first direction drives the locking element to release locking of the second movable element, and when the second movable element continues to be rotated in the first direction and drives the first movable element to rotate together, rotation of the first movable element enables the locking element to release locking of the first movable element.

Abstract: The present invention relates to an illuminating device and a method of assembling the illuminating device, wherein the illuminating device comprises a tubular casing, an electrical connector connected with the casing, a drive unit at least partially received in the electrical connector, and a light-emitting unit received in the casing, wherein the light-emitting unit comprises a carrier, wherein the electronic parts of the drive unit and the light-emitting parts of the light-emitting unit are arranged on the carrier.

Abstract: The present invention relates to an end cap (100) for an illuminating device and an illuminating device comprising the same, wherein the end cap comprises a housing (1) and a drive structure (2) partially arranged within the housing, wherein the drive structure is configured to drive an electric switch (3) arranged within the housing, wherein the drive structure (2) comprises a first drive part (21) exposed from a first surface of the housing and a second drive part (22) exposed from a second surface of the housing, wherein when the first drive part is located in a first position, the first drive part locks the second drive part, and when the first drive part is moved to a second position in a first direction, the first drive part unlocks the second drive part such that the second drive part can switch-on the electric switch upon the second drive part is moved in a second direction.

Abstract: The present invention relates to an illuminating device and a method of assembling the illuminating device, wherein the illuminating device (100) comprises a tubular casing (1), an electrical connector (2) connected with the casing (1), a drive unit (3) at least partially received in the electrical connector (2), and a light-emitting unit (4) received in the casing (1), wherein the light-emitting unit (4) comprises a carrier (41), wherein the electronic parts (31) of the drive unit (3) and the light-emitting parts (42) of the light-emitting unit (4) are arranged on the carrier (41).

Abstract: Various embodiments may relate to an end cap for a lamp tube of an illuminating device, including a mounting ring fixedly mounted to one end of the lamp tube by means of an assembled end, and a cover plate for closing the mounting ring at a free end. The end cap further includes a rotating ring mounted between the mounting ring and the cover plate at the free end, the cover plate rotatably closes the mounting ring by means of the rotating ring. Further various embodiments relate to an illuminating device adopting the end cap.

Abstract: An LED lighting device includes a housing, an LED light-emitting unit arranged inside the housing, and an LED driver configured to drive the LED light-emitting unit to operate. The LED driver and the LED light-emitting unit are integrally arranged inside the housing. The LED lighting device allows the number of components to be reduced, and the structure to be more compact, thus allowing the LED driver to be set inside a housing of a small lighting device.