A lighting system, including: a substrate defining a first broad face; a first set of light emitting elements configured to emit visible light having a fixed first color parameter; a second set of light emitting elements configured to emit visible light having a fixed second color parameter different from the first color parameter; a diffuser cooperatively enclosing the first and second sets of light emitting elements with the substrate; a communication module including an antenna; and a processor operatively connected to the communication module, the first set of light emitting elements, and the second set of light emitting elements, the processor configured to independently control relative intensities of the first and second set of light emitting elements to cooperatively emit light having a target color parameter value, wherein the target color parameter value is received from the communication module.

Systems, methods, and apparatus for providing a mercury-vapor like lamp are provided. In one embodiment, an light emitting diode device system can include a plurality of light emitting diode devices, each of the plurality of light emitting diode devices configured to emit light associated with a different light emission spectrum; and a conditioning circuit for controlling emission of light by the plurality of light emitting diode devices such that a combined light emission spectrum for the plurality of light emitting diode devices is similar to a light emission spectrum for a mercury-vapor lamp.

Illumination device for illuminating an environment (7), including a visible source (2), which emits a visible beam, and a diffuse light generator (2, 4; 68; 150), which includes an optical structure (4; 64; 150) delimited by an inlet surface (Si; S3), which receives the visible beam, and by an outlet surface (S2). The generator emits from the outlet surface diffuse visible light and direct visible light. The illumination device further includes an infrared optical source (15), which is different from the first visible source and emits an infrared beam so as to impinge on the inlet surface; the optical structure transmits at least one portion of the infrared beam. The illumination system further includes a ventilation system (40) which can be coupled to the environment, which introduces air masses into the environment, in pulsed mode.

A shaving unit and/or electric shaver having a lighting module for providing an optical heating function at a skin-contacting surface of the shaving unit. At least one aspect of the invention related to an optical arrangement for processing a visible light output for modifying a visible light profile provided at a light output surface, the visible light for providing a visual indicator of activation of the lighting module.

The disclosure provides an illumination device including a light-emitting element array, a lens array, an infrared light-emitting element array, at least one light sensing element, and a control unit. The light-emitting element array includes a plurality of micro light-emitting diodes arranged in an array. The lens array includes a plurality of lenses. The infrared light-emitting element array includes a plurality of infrared micro light-emitting diodes arranged in an array form, and the infrared micro light-emitting diodes are respectively configured in the light-emitting element array. Each infrared micro light-emitting diode and the at least one light sensing element are configured to provide a plurality of ranging data. The control unit controls each micro light-emitting diode to generate a plurality of light beams according to the ranging data so as to form a plurality of illumination light beams, and the illumination light beams illuminate a target in a pixelated form.

The present invention relates to a suspensible device (2) comprising a housing (3) comprising an attachment element (14) provided in a fixed location at the housing (3) on an attachment surface (4) and at least one active surface (5), the attachment surface (4) having an outer portion facing the ambient and an inner portion (41) being arranged opposite to the outer portion. The suspensible device (2) further comprises a balancing element (7) arranged adjacent to the attachment surface (4), the balancing element (7) being movable between a first position and at least a second position with respect to a fixed location of the attachment element (14) of the suspensible device (2).

A light source module includes at least one substrate, at least one main light source and at least one auxiliary light source. The at least one main light source and the at least one auxiliary light source are disposed on the at least one substrate. The main light source comprises a first main light emitter configured to emit a first main light having a first number of peak wavelengths and a second main light emitter configured to emit a second main light having a second number of peak wavelengths. In addition, the auxiliary light source is configured to emit a third auxiliary light having a third number of peak wavelengths. The first number of peak wavelengths can be different from the second number of peak wavelengths. A peak wavelength of the second main light can be longer than all of the peak wavelengths of the first main light.

The invention provides a light generating system (1000) configured to generate system light (1001), wherein the light generating system (1000) comprises a first light generating device (110), wherein: (A) the first light generating device (110) comprises a first light source (10) and a first luminescent converter (210); (B) the first light source (10) comprises a solid state light source, wherein the first light source (10) is configured to generate first light source light (11) having a first light source centroid wavelength (.sub.S, 1) selected from the range of 380-420 nm; (C) the first luminescent converter (210) is configured to convert at least part of the first light source light (11) into first converter light (211) having a first converter centroid wavelength (.sub.c, 1) selected from the green-yellow wavelength range; (D) the first light generating device (110) is configured to generate first device light (111) having a spectral power distribution in the wavelength range of 380-780 nm with at least 60% of the spectral power provided by the first light source light (11) and at maximum 40% of the spectral power provided by the first converter light (211).

The present invention relates to an LED filament (10), comprising: a first LED filament portion (12a) comprising a plurality of first LEDs (14a) adapted to emit first LED filament light: a second LED filament portion (12b) parallel to the first LED filament portion (12a) and comprising a plurality of second LEDs (14b) adapted to emit second LED filament light: and at least one light-blocking wall (26) arranged between the first and second LED filament portions to reduce or prevent optical cross-talk between the first and second LEDs.

A lighting device includes a first light source configured to generate light for illumination of a space and a second light source configured to generate light of a particular wavelength independently from the first light source. The light generated by the second light source is output at a sufficient intensity so as to reasonably expect to support an intended benefit other than illumination of the space. The first light source and the second light source are integrated into the same lighting device. The lighting device includes an optical element coupled to the first and second light sources that is configured to produce a light output of the lighting device. The lighting device outputs the light for illumination of the space and the light of the particular wavelength for the other intended benefit from the second light source via the same output of the lighting device.