Abstract: A light-emitting apparatus for facilitating the growth of one or more plants. The apparatus has a light-emitting layer comprising one or more light-emitting diodes for emitting light, and at least one optical-transformation layer having one or more optical-transformation units. Each optical-transformation unit has a metasurface for adjusting one or more parameters of the light emitted from the light-emitting layer. In some embodiments, the light-emitting apparatus may further have a polarization-control layer sandwiched between the light-emitting layer and the optical-transformation layer.

Abstract: A photoelectric tube includes a housing including a light transmitting portion, an electron emitting portion held by a recess provided in the housing, the electron emitting portion including a concave photoelectric surface facing a light transmitting portion side inside the housing, and an electron capturing portion disposed between the light transmitting portion and the photoelectric surface inside the housing. At least a part of the electron capturing portion is located inside a region on an inside of the photoelectric surface.

Abstract: A combination comprises at least one lens and at least one prism. The at least one lens and the at least one prism are in an optical path of a corresponding at least one light source. The combination is configured to direct light radiating from the at least one light source toward a projector lens.

Abstract: Disclosed is an illuminating panel, in particular integrated into a traversable surface, including, in succession, a first protective film arranged on the front face of the device, a first exterior encapsulating film, an interior encapsulating film, a second exterior encapsulating film, and a second protective film arranged on the rear face of the device, one of the films chosen from among the first exterior encapsulating film, the interior encapsulating film and the second exterior encapsulating film coating at least one active element suitable for emitting light. Also disclosed is a method for producing such a panel and a functional traversable surface with such a panel.

Abstract: A lamp for a vehicle that includes a board part, a light source part disposed on an upper surface of the board part and including a plurality of light sources that irradiate light, a lens part installed to surround the light source part and disposed on an upper side of the board part, and a reflection part installed on an upper side of the board part, and including a reflective surface that reflects the light irradiated from the light source part to change a travel path of the light, and the reflective surface contacts the lens part and phosphor is deposited thereon.

Abstract: A flexible light assembly includes an elongated light transmissible jacket, the jacket including an internal vacancy. The assembly includes a substrate disposed in the internal vacancy. The substrate supports light emitters on a first surface thereof, and includes a reinforcing layer that is fixed to a surface the substrate opposite the first surface. The jacket may also include reinforcing fibers. The flexible light assembly is sufficiently flexible to permit bending such that the flexible light assembly can assume a radius of curvature in a range of 1.3 centimeters to 10.2 centimeters.

Abstract: A power system capable of preventing from mistakenly triggering an electric shock protection function of a lamp tube and the method thereof is provided. The power system includes a live wire input end, a neutral wire input end and a capacitive component. The live wire input end is connected to a first node; the first node is used to connect to the live wire terminal of the electric shock protection circuit of a first light-emitting module. The neutral wire input end is connected to a second node; the second node is used to connect to the neutral wire terminal of the electric shock protection circuit of the first light-emitting module. One end of the capacitive component is connected to the first node and the other end thereof is connected to the second node.

Abstract: A display device may include a projector coupled to volume Bragg grating (VBG) based pupil-replicating lightguide. The projector may be a scanning projector or a display panel based projector. A lighting unit for the display panel may have spatially variant spectral composition selected to match angular and wavelength selectivity of the VBGs of the pupil-replicating lightguide, thereby improving light utilization efficiency of the display device. In scanning projector implementations, the center wavelength of the scanned light beam may be varied in coordination with the scanning, to achieve the same effect.

Abstract: A system for safely containing an infant on a mattress is described. The system includes a plurality of panels that extend upwardly from a base that supports the mattress, wherein the plurality of panels and the base form an enclosure around the mattress, and wherein at least one of the plurality of panels is configured to have a locked position and an unlocked position. The system also includes a detection system that detects when the at least one of the plurality of panels is in the unlocked position and a lighting system operatively coupled to the detection system, wherein the lighting system is configured to emit light when the at least one of the plurality of panels is detected to be in the unlocked position. Furthermore, the system includes a power system that provides energy to the lighting system for emitting the light.

Abstract: A lighting apparatus includes a light source module, a light passing cover, a prism plate and a surface rim. The light source module includes a light source plate and multiple LED modules mounted on the light source plate. The light passing cover has a first side facing to the multiple LED modules for receiving a light from the multiple LED modules. The prism plate is disposed with more than 50 prism units for diffusing the light passing through the light passing cover from a second side of the light passing cover. The surface rim has a light opening for the light diffused by the prism units to escape from the lighting apparatus.

Abstract: A light source module includes a backplane, a light source, a reflective layer, a color conversion layer, and at least one optical film. The backplane has a first bottom surface, a first sidewall surface, a second bottom surface, and a second sidewall surface. The first sidewall surface is connected between the first bottom surface and the second bottom surface. The second bottom surface is higher than the first bottom surface and connected between the first sidewall surface and the second sidewall surface. The light source is disposed on the first bottom surface. The reflective layer is disposed on the second bottom surface and the second sidewall surface. The color conversion layer is disposed on the reflective layer. The at least one optical film is placed on the second bottom surface. The reflective layer and the color conversion layer are located between the at least one optical film and the backplane.

Abstract: A lighting device comprising a light source being configured to generate source light of a white light emission spectrum having a color correlated temperature (CCT) in a range of 2500-20000K and comprising a control unit being configured to control a lighting element for tuning of the source light with respect to a ratio between a first emission peak in a wavelength range of 460-490 nm and a second emission peak in a wavelength range of 430-460 nm. Thus a lighting device with a tunable/adjustable spectrum is provided that can switch between a first operation state of energy efficiency lighting with a blue peak in the second wavelength range of 430-460 nm, but with blue hazard risk, and a second operation state of less efficient but safe, healthy lighting with a biological stimulant having a blue peak in the first wavelength range of 460-490 nm.

Abstract: A wavelength conversion wheel includes a turnable disc, a wavelength conversion layer, a pressure ring, an anodized layer and a balance weight. The turnable disc has an inner ring portion and a ring-shaped irradiation portion. The ring-shaped irradiation portion is connected to an outer edge of the inner ring portion. The ring-shaped irradiation portion includes a wavelength conversion region. The wavelength conversion layer is disposed on the wavelength conversion region. The pressure ring presses against the inner ring portion and has a first surface facing away the turnable disc. The anodized layer is disposed on the first surface. The balance weight is disposed on the anodized layer, wherein the surface roughness of the anodized layer is 1 ?m to 10 ?m. The wavelength conversion wheel of the invention has better reliability. A projection device with the wavelength conversion wheel is further provided.

Abstract: A cooling system for a light emitting diode (“LED”) assembly includes a fluid configured to absorb heat at the LED assembly, a heat exchanger coupled to one or more substrates of the LED assembly, where the heat exchanger is configured to exchange heat between the LED assembly and the fluid, and a pump configured to circulate the fluid along the LED assembly and the heat exchanger, where the fluid exhibits a turbulent flow at the LED assembly, the heat exchanger, or both, while circulated by the pump.

Abstract: Systems, methods, and apparatuses provide a light emitting device including one or more arrays of light emitting diodes attached to a first outward facing surface of a first substrate. The light emitting device further includes driver circuitry attached to a second outward facing surface of a second substrate. The light emitting device further includes a wire connection electrically coupling the first substrate and the second substrate such that the driver circuitry drives the one or more arrays of light emitting diodes. The light emitting device further includes an enclosure for housing the first substrate, the second substrate, and the wire connection.

Abstract: A color wheel module includes a driving assembly, a substrate, a first wavelength conversion layer, and a second wavelength conversion layer. The substrate includes an outer periphery disposed around the central axis and a first surface perpendicular to the central axis, and has a first light conversion region located on the outer periphery and a second light conversion region located on the first surface. The first wavelength conversion layer is disposed on the first light conversion region. The second wavelength conversion layer is disposed on the second light conversion region. The first excitation beam is incident to the first light conversion region along a direction perpendicular to the central axis and is converted into a first color converted beam. The second excitation beam is incident to the second light conversion region along a direction parallel to the central axis and is converted into a second color converted beam.

Abstract: A lens component radiates light from a light source. The lens component includes a light guiding radiation portion. The light guiding radiation portion includes a light incidence portion having an incidence surface on which the light from the light source is made incident, and a plurality of radiation mechanisms that respectively radiate to a plurality of radiation angle ranges. The incidence surface includes a close side incidence region and a distant side incidence region. The radiation angle ranges include a close side radiation angle range and a distant side radiation angle range. The light incident on the close side incidence region is radiated to the distant side radiation angle range via a corresponding distant side radiation mechanism. The light incident on the distant side incidence region is radiated to the close side radiation angle range via a corresponding close side radiation mechanism.

Abstract: An injection molded component has a functional portion and a quality control portion. The quality control portion comprises a set of protrusions which are adapted to distort visibly in response to injection molding shrinkage, thereby to enable visual quality control inspection.

Abstract: A light source apparatus includes an excitation light shining device for emitting excitation light, a rotational wheel device including a rotational wheel including a filter area for transmitting light in a predetermined wavelength range differing from a wavelength range of the excitation light and reflecting the excitation light and a direction-changing transmission area for transmitting the excitation light while changing a direction thereof, and a luminescent light emission device which receives the excitation light reflected on the filter area to thereby emit luminescent light including the light in the predetermined wavelength range towards the filter area, and the rotational wheel device is disposed so that an axis of the excitation light which passes through the direction-changing transmission area and an axis of the luminescent light in the predetermined wavelength range which passes through the filter area are superposed on each other.

Abstract: A headlight module includes: a light source for emitting light; a condensing optical element for concentrating the light; and an optical element including an incident surface for receiving the concentrated light, a reflecting surface for reflecting the received light, and an emitting surface for emitting the reflected light. The condensing optical element changes a divergence angle of the light to form a light distribution pattern. The reflected light and light that enters the optical element and is not reflected by the reflecting surface are superposed on a plane including a point located at a focal position of the emitting surface in a direction of an optical axis of the emitting surface and being perpendicular to the optical axis, thereby forming a high luminous intensity region in the light distribution pattern on the plane. The emitting surface has positive refractive power and projects the light distribution pattern formed on the plane.