Abstract: The present disclosure provides a control device and a pyroelectric infrared sensor based lighting control system. The control device includes a focusing apparatus and at least two pyroelectric infrared sensors. The focusing apparatus includes at least two curved surface structural portions sequentially connected adjacent to each other. Each of the curved surface structural portions corresponds to one focusing point, the at least two pyroelectric infrared sensors are respectively disposed at respective focusing points, and the focusing apparatus is configured to focus external infrared signals onto the respective pyroelectric infrared sensors. The at least two pyroelectric infrared sensors are configured to convert changed infrared signals into voltage signals when any one of the pyroelectric infrared sensors receives the changed infrared signals, and then to control a switch status of a lighting fixture by using the voltage signals.

Abstract: A reflecting device is provided. The reflecting device includes a first optical element and a second optical element; the first optical element and the second optical element are both transparent; the second optical element has a side wall and a light emergent port; the side wall encloses an optical space in communication with the light emergent port; the first optical element is surrounded by the side wall of the second optical element and extends into the optical space; the first optical element has a light incident surface and a light emergent surface; and the light incident surface encloses an accommodating chamber.

Abstract: An LED lighting device is provided. The LED lighting device includes at least one light source, a base board, a reflector, a shell, a drive module and a mounting structure. The at least one light source is arranged on the base board. The base board and the reflector are contained in the shell. The drive module is assembled to the mounting structure. The LED lighting device includes connector connecting the mounting structure with the reflector. The base board and the shell are sandwiched between the reflector and the mounting structure.

Abstract: A reflective device and a light source module are provided. The reflective device is transparent, which includes a light entrance, a light exit, and a reflective wall between the light entrance and the light exit. The light entrance is smaller than the light exit, and the reflective wall includes an inner surface and an outer surface, the inner surface including a plurality of sawtooth structures arranged continuously, each of the sawtooth structures including a first refractive surface and a second refractive surface which are intersected with each other, two ends of each of the sawtooth structures being respectively extended toward the light entrance and the light exit. The light source module provided by the present disclosure adopts the above-mentioned reflective device, the reflective device being transparent, the inner surface of the reflective device including the plurality of sawtooth structures arranged continuously.

Abstract: The present disclosure discloses a lighting apparatus, including a lamp body, an optical element connected with the lamp body, a driving power source assembly, a light source assembly and a reflecting device configured to provide a secondary light distribution for the light source assembly which are received in the lamp body; the reflecting device is provided with a light inlet, a light outlet and a reflecting wall located between the light inlet and the light outlet; the reflecting wall is transparent, and includes an internal surface and an external surface; the internal surface includes a plurality of saw-tooth structures, each of the saw-tooth structures includes a first refracting surface and a second refracting surface intersected with each other, two ends of each of the saw-tooth structures extend towards the light inlet and the light outlet; and the light source assembly is disposed at the light inlet of the reflecting device.

Abstract: Examples of the present disclosure disclose an optical element, a light source module using the optical element and a lighting device using the light source module. The optical element includes: a light distribution portion configured to receive irradiated light emitted from a light-emitting unit and allow the irradiated light to be emitted upon distribution, where the light emitted from the light distribution portion upon distribution has an irradiation range; and a light-shielding portion provided integrally with the light distribution portion, where the light-shielding portion is engaged with the light distribution portion to form a light-shielding receiving chamber, and the light-shielding receiving chamber is located outside the irradiation range.

Abstract: The present disclosure provides a lens combination and an illumination device adopting the lens combination, where, the lens combination configured for accommodation at least a first light source and a second light source, includes: a first lens, including a first light incident surface, a first light emergent surface and a first accommodation space located on a side of the first light incident surface and configured for accommodating the first light source, where the first light incident surface and the first light emergent surface are of a curved surface shape; and a second lens, including a second light incident surface, a second light emergent surface, and a second accommodation space located on a side of the second light incident surface and configured for accommodating the second light source, where the second light incident surface and the second light emergent surface are of a curved surface shape.

Abstract: An LED light source device includes an LED light source dot at least emitting light of one color and a light emission portion emitting light of different colors. The light emission portion includes a light emission portion for a main illumination and for emitting a white light and a light emission portion for a scene illumination and for emitting a colored light. The light emission portion for the main illumination emits the white light and the light emission portion for the scene illumination emits the colored light simultaneously. The LED light source device is a bulb lamp, a candle lamp or other lamps of which a front side and a lateral side both emits light.

Abstract: Examples of the present disclosure disclose a light source apparatus and a method of manufacturing the light source apparatus. The light source apparatus includes a luminescent component having a substrate and at least two luminescent units disposed on the substrate, where the at least two luminescent units is arranged along a circular ring; and a light distribution component including an optical element provided with an annular lens or a transparent mask and a mounting part encircling the annular lens or the transparent mask and being connected with the optical element and the substrate, where the lens or the transparent mask receive emergent light of the at least two luminescent units and emitting the light after light distribution, and the mounting part is bonded to the substrate and is configured to fix the optical element above the at least two luminescent units.

Abstract: An LED lighting device is provided. The LED lighting device includes at least one light source, a base board, a reflector, a shell, a drive module and a mounting structure. The at least one light source is arranged on the base board. The base board and the reflector are contained in the shell. The drive module is assembled to the mounting structure. The LED lighting device includes connector connecting the mounting structure with the reflector. The base board and the shell are sandwiched between the reflector and the mounting structure.