A light emitting device (3) comprising an array of light emitting diodes (LEDs) (301-317), said array of LEDs comprising a plurality of LEDs (61-69), a center (31), an perimeter (32) and a first axis (X) extending through the center and transverse to the outer circumferential edge, where each LED of the array of LEDs comprises a size and a shape, where the plurality of LEDs is arranged on a plurality of lines (L) extending in a direction 5 from a point on the first axis (X) towards the outer circumferential edge (32), two or more LEDs of the plurality of LEDs being arranged on each line, and where the two or more LEDs on each line are arranged such that at least one gradient in the size of the LEDs and/or the shape of the LEDs is provided in a direction along said line.

An emitter module for a light-emitting diode (LED) light source may comprise a substrate, and a plurality of emitters mounted to the substrate, where each emitter is configured to produce illumination at a different wavelength, and the number of emitters is greater than four (e.g., five emitters). The emitter module may also comprise a dome mounted to the substrate and encapsulating the plurality of emitters. Each of the plurality of emitters is arranged such that a center of the emitter is located on a circular center line that has a center that is the same as a center of the dome. Each of the plurality of emitters is located on a different primary radial axis of the emitter module. Each of the primary radial axes of the emitter module is equally spaced apart by an offset angle. The emitter module may also comprise an additional one of each of the emitters at each of the different wavelengths (e.g., ten total emitters).

A display device having a curved display surface is provided and includes a back cover; a plurality of light guide plates supported by the back cover; a plurality of light sources configured to cause light to be incident on the light guide plates; and an optical sheet covering the light guide plates, wherein the optical sheet faces the light guide plates.

A light source for a spotlight (100) for illuminating a film, studio, stage event and/or theatre environment comprises a carrier (10), which is designed at least in part as a single-layer circuit board, a plurality of LEDs (12) with N>2 different colour types and a current line system (14) with a plurality of lines (141, 142) with N line types for supplying the LEDs (12) being arranged on the carrier (10).

A luminaire and LED light engine are provided. The luminaire includes the LED light engine and an optical device. The LED light engine includes an LED array and a partial diffuser. The partial diffuser diffuses light that is emitted by LEDs of a selected first subset of LEDs in the LED array and leaves undiffused light that is emitted by LEDs of a second subset of LEDs in the LED array. At least some LEDs are selected for inclusion in the first subset as emitting light that produces poorly blended colors in a light beam emitted by the LED array. The optical device is configured to receive a light beam emitted from the LED light engine and emit a modified light beam.

A LED light with built-in Air flow device has AC-to-DC circuit to get DC current to supply power to LED or LEDs and-to charge inside rechargeable batteries and to the inside air flow related device or other product(s). The LED light connect IC and control circuit to make setting, changing, adjust of the said at least one of (A) LED(s) colors, brightness, on-off, duration, cycles, frequency, sequential, flashing, color changing, color selection, auto changing, or other LED light effects, (B) Air flow related parts to get desired speed of rotating fan or blade, on-off, duration, timer, countdown timer, or other desired air flow related function(s); by at least one of (1) trigger system, (2) switch, (3) sensor, (4) motion or moving or radar sensor, (5) IR or RF remote control system, (6) power fail sensor, (7) built-in Auto-Off-On or multiple selection positions switch, (8) other related LED or air flow or air-freshener or fragrance or essential oil diffusor parts or accessories; wherein the LED light connect with (i) AC power source by prongs with or without folding features, (ii) DC power from at least one outside transformer, power bank, DC power from cigarette-plug, USB related DC power source, DC power storage device, solar module, or DC generator.

Disclosed are various embodiments for a multi-panel lighting device. The multi-panel lighting device may include a primary light-emitting panel having a primary power supply and a base, and at least one auxiliary light-emitting panel coupled and detachably attached to the primary light-emitting panel. The at least one auxiliary light-emitting panel may include an auxiliary power supply such that the at least one auxiliary light-emitting panel can operate in conjunction with and/or independent of the primary light-emitting panel.

A light source device includes plural light-emitting diodes arranged on a plane. A viewing angle of each of the light-emitting diodes is less than 50° or more than 80°.

A tube lamp including a light source including at least one string of light emitting diodes within a tube body; end caps having pin contacts on each end of the tube body; and driver electronics including a filament detector portion provided by a passive resistance capacitor (RC) circuit that simulates the filament load of a fluorescent lamp when installed into a ballast containing fixture. The tube lamp may also include a switch for selecting light characteristics for light emitted by the light source.

The present invention relates to an LED filament (100) comprising a carrier (110) comprising a plurality of LEDs (140) arranged in at least two columns of LEDs (150, 160). The plurality of LEDs (140) are grouped into at least two different subsets of LEDs (120, 130), wherein a first subset of the LEDs (120) is configured to emit light of a first color temperature, CT1, and a second subset of the LEDs (130) is configured to emit light of a second color temperature, CT2, CT2 being different from CT1. The LEDs (140) of the at least two different subsets of LEDs (120, 130) are arranged in an alternating intersecting configuration in the at least two columns of LEDs (150, 160) such that each column (150) comprises alternating segments (132, 124) configured to emit light of the first and the second color temperatures, respectively.