Abstract: An exemplary reflective housing for a LED illuminator is provided. The reflective housing includes a plurality of side walls cooperatively forming a hollow shell. The hollow shell has a first opening and a second opening opposite to the first opening. The hollow shell tapers from the first opening to the second opening. Inner surfaces of the side walls are light reflective surfaces. The first opening has a polygonal shape having more than four sides. The first opening includes two parallel sides. Four endpoints of the first opening cooperatively form an imaginary quadrangle. Remaining sides are located at an exterior of the imaginary quadrangle. A line segment obtained by intersecting any straight lines parallel to the parallel sides is shorter than a distance between the two parallel sides. The second opening is configured for accommodating an LED light source therein.

Abstract: An outdoor lighting system comprises an outdoor light source, a luminance control device, a detection apparatus, a communication network and a main controlling system. The detection apparatus is configured for detecting a luminance of the light source and generating a corresponding detecting signal associated with the luminance of the light source. The main controlling system receives the detecting signal from the detection apparatus via the communication network, and generates a luminance control signal in responsive to the detecting signal; the luminance control device is configured for receiving the luminance control signal via the communication network and regulating the luminance of the light source according to the luminance control signal.

Abstract: An exemplary streetlight system for illuminating a road surface comprises an illuminating device, an infrared detection device and a controlling device. The illuminating device includes a light source. The infrared detection device is configured for detecting whether there are vehicles or passersby on the road surface and generating a detection signal. The controlling device is configured for receiving the detection signal, generating a controlling signal according to the detection signal and sending the controlling signal to the light source, thereby modulating the brightness of the light source.

Abstract: An exemplary internally focusing lens system includes, in order from the object side to the image side, a first lens group with positive refractive power, a second lens group with negative refractive power, and a third lens group with positive refractive power. The third lens group includes one lens element. The second lens group is movable toward the image side and the first and third lens groups remain stationary during focusing of the lens system from an infinitely distant object to a nearby object.

Abstract: A solid state light illuminator includes a solid state lighting element, a primary coil, and a secondary coil. The secondary coil and the solid state lighting element cooperatively form a circuit. The secondary coil couples electromagnetically with the primary coil. The primary coil is adapted for electrically connecting to an AC power source to generate an alternating magnetic field. The alternating magnetic field generates an induced electromotive force in the secondary coil to apply an electrical current to the solid state lighting element.

Abstract: An exemplary outdoor lighting apparatus includes a lighting device and a bird expeller. The lighting device includes a supporting pole, a housing and a light emitting unit. The housing is fixed on the top of the supporting pole. The light emitting unit is received in the housing. The bird expeller includes a sensing unit and an expelling signal generating unit. The sensing unit is configured for sensing a bird that is getting close by or in contact with the lighting device, generating a trigger signal and sending the trigger signal to the expelling signal generating unit. The expelling signal generating unit is configured for generating an expelling signal to expel the bird in response to the trigger signal.

Abstract: A solid state illumination device includes a solid state light emitting diode and a mounting base. The solid state light emitting diode includes encapsulation material, a wafer, and first and second electrodes. The first and second electrodes have first ends electrically connecting with the wafer, and opposite second ends exposed outside the encapsulation material. The wafer and the first ends are encapsulated in the encapsulation material. The mounting base includes a main body with a receptacle defined therein, first and second receiving holes receiving the first and second electrodes. The main body defines an indent communicating with the first receiving holes receiving a bulge extending from the first electrodes.

Abstract: A lamp assembly (10) is provided. The lamp assembly includes a lamp cover (12) having a first end (120) and an opposite second end (122). The lamp cover tapers from the second end to the first end. A hydrophobic coating (128) is formed on and covers an outer surface of the lamp cover. A light source (16) is received in the lamp cover.

Abstract: An exemplary LED includes a substrate, an LED chip, a light pervious encapsulation, and an auxiliary electric component. The substrate includes a first surface, an opposite second surface, and an accommodating space defined therein between the first surface and the second surface. The LED chip is mounted on the first surface of the substrate. The light pervious encapsulation is formed on the substrate and covers the LED chip. The auxiliary electric component is received in the accommodating space between the first and second surfaces of the substrate.

Abstract: An exemplary solar cell module includes a main body, a number of solar cells, and a reflective layer. The main body defines a concavity surface defined thereon. The solar cells are positioned at the concavity surface and generally symmetrically arranged with respect to a central axis of the concavity surface, configured for converting sunlight to electricity. The reflective layer is positioned on the concavity surface, with the solar cells exposed to an exterior of the main body corresponding to the concavity surface.

Abstract: An exemplary semiconductor solid-state light-source module includes a printed circuit board, at least one semiconductor solid state light source mounted on the printed circuit board and a light guide plate optically coupled to the semiconductor solid state light source. The printed circuit board includes a protrusion and a recess. The protrusion is configured for engaging with a recess of the printed circuit board of another similar semiconductor solid-state light-source module.

Abstract: A solid-state light source includes a substrate, a solid-state light-emitting chip, a plurality of micro-members and a light-permeable encapsulation. The substrate has a substantially flat surface. The solid-state light-emitting chip is arranged on the substantially flat surface of the substrate and electrically connected to the substrate. The micro-members are arranged on the surface of the substrate and parallel with the solid-state light emitting chip. The light-permeable encapsulation is arranged on the surface of the substrate and covers the solid-state light-emitting chip and the micro-members.

Abstract: An exemplary light emitting diode includes a light emitting diode chip, two optical wavelength converting layers, and an encapsulant layer. The light emitting diode chip has an light emitting surface. The light emitting diode chip is used to emit a monochromatic light from the light emitting surface. The light emitting surface includes a first region, a second region, and a third region. The two optical wavelength converting layers covers the first and the third regions of the light emitting surface. The two optical wavelength converting layers are configured for converting the monochromatic light received from the light emitting diode chip and emitting light with a converted wavelength from the light emitting diode. The encapsulant layer covers the second region of the light emitting surface for directing light therefrom.

Abstract: An exemplary method for forming phosphor coating includes: providing a substrate; forming a first hydrophilic film on the substrate, the first film being soluble in water; forming a second lipophilic film on the first film, the second film comprised of a phosphor material; submerging the substrate having the first film and the second film formed thereon into water, so that the first film is dissolved in water and the second film is floated on surface of the water; and dipping a light source into the second film to forming a phosphor coating on the light source.

Abstract: An exemplary camera device includes an optical lens module, an image sensor and a light emitting module. The optical lens module is for forming an image of an object on an image plane associated therewith. The image sensor is disposed on the image plane of the optical lens module and for capturing the image formed by the optical lens module. The light emitting module includes a transflective optical element and a light emitting element. The transflective optical element is located between the optical lens module and the image sensor. The light emitting element faces towards the transflective optical element.