Abstract: The invention relates to a waterproof lighting element, wherein the lighting element comprises a printed circuit board with an aluminum substrate layer. The invention relates also to a waterproof lighting element, wherein the lighting element comprises a printed circuit board with a base plate. The invention relates also to a method of manufacturing a waterproof lighting element.

Abstract: A display device includes a display panel, a lighting device having a light emission surface, a center directive light refraction member imparting a refraction effect to light exiting through the light emission surface to be directed to a middle section of the display panel to generate a much light emission angle range where an emission light quantity is much and a less light emission angle range where the light emission quantity is less in a luminance angle distribution, and an asymmetric light refraction member configured to impart an asymmetric refraction effect to the emission light such that among emission light rays exiting the center directive light refraction member, light rays in the less light emission angle range is directed toward the less light emission angle range while a part of light rays in the much light emission angle range is directed toward the less light emission angle range.

Abstract: A portable rechargeable lighting device uses software in a microcontroller to turn on a charger protection circuit when a charging circuit is activated, to monitor at least one electrical characteristic relative to a rechargeable battery, to control at least one charging parameter of the charging circuit, and to alert a user of a low battery condition before light emitted from the device terminates.

Abstract: Self-contained devices, systems and methods for housing holiday lights in the form of icicles, and the like, in self-contained boxes that can easily be mounted and removed around house windows and eaves. The lights can be retractable and extendable from the boxes, and the lights can be remotely controlled by smart phones and the like. The boxes can have displays for holiday messages as well as speakers for playing music and messages.

Abstract: A light-diffusing optical fiber that provides a symmetric intensity distribution of forward and backward scattered light is described. The fiber includes a secondary coating that contains scattering centers. Control of the thickness of the secondary coating and concentration of scattering centers provides control over the distribution of scattered intensity. More symmetric distributions of scattered light intensity are realized by increasing the thickness of the secondary coating and/or the concentration of scattering centers in the secondary coating. Representative scattering centers include oxide nanoparticles.

Abstract: A transparent display device and a transparent exhibition apparatus including the transparent display device are disclosed. The transparent display device includes: a transparent display panel, an edge region thereof being fixed between a first frame and a second frame, a transparent display region of the transparent display panel being exposed from openings of the first and second frames provided at central regions thereof; a LED light bar disposed at a lateral side of the transparent display panel; and an optical structure disposed between the lateral side of the transparent display panel and the LED light bar, the optical structure including an optical component configured to uniform light emitted by the LED light bar towards the lateral side of the transparent display panel.

Abstract: A sighting device includes a body, a lighting unit, a touch unit, and a controller, wherein the lighting unit, the touch unit, and the controller are disposed on the body, and the controller is electrically connected to the touch unit and the lighting unit. The body has an accommodating space for accommodating a lens or at least one lens assembly. A reticle or an optical beam splitter is disposed in the accommodating space, and a light generated by the lighting unit is projected onto a scale or hairline of the reticle or the optical beam splitter. The touch unit senses an external touch and generates a touch signal in correspondence to the external touch, and the controller adjusts the brightness level and/or the color of the light generated by the lighting unit based on the touch signal.

Abstract: Various examples of methods and systems are provided for increasing productivity of one or more photosynthetic cultures via self-powered light systems. In one example, a system includes a waterproof casing and a light module enclosed within the waterproof casing. The waterproof casing is configured to be neutrally buoyant in a culture tank comprising the one or more photosynthetic cultures. In another example, a method includes placing a self-powered light system within a culture tank, the self-powered light system being neutrally buoyant within the culture tank. The method further includes causing turbulence of water within the culture tank, and the self-powered light system harvests energy to power a light of the self-powered light system via the turbulence of the water within the culture tank.

Abstract: To provide a wavelength converting member that allows for improved yield, in which air bubbles can be prevented from being left in a resin containing a wavelength converting material; a light emitting device, a light emitting element, a light source unit, a display device, and a light guide member using the wavelength converting member; and a method of producing the wavelength converting member. A wavelength converting member has a receptacle provided with a receiving space; and a molding containing a wavelength converting material, placed in the receiving space. This allows air bubbles from being left in the wavelength converting material and improves the yield.

Abstract: A light guide device made of a light diffusing agent-free light transmissive material is disclosed to include a base provided with a light-incident surface at one side thereof to face toward the light-emitting side of a plurality of predetermined light-emitting devices, and a plurality of continuously connected and irregularly configured light guide components located on at least one side of the base and capable of unevenly projecting light passing therethrough toward the outside and respectively provided with at least three light-emitting surfaces, each light-emitting surface defining with the base a respective contained angle that causes a glare effect when light passes through the respective the light guide component.

Abstract: A light module serves for inserting into a housing of a semiconductor lamp and comprises: a driver (2), a cooling element, a light generator, abutting the cooling element, with at least one semiconductor light source, which is electrically connected with the driver, and an optical refraction element covering the at least one semiconductor light source, wherein the refraction element is fastened on the cooling element and presses the light generator onto the cooling element. A semiconductor lamp comprises a housing open at the front into which the light module is inserted from the front side and on which the light module is fastened. A method serves for producing a semiconductor lamp, wherein at least the driver, the cooling element, the light generator and the refraction element are assembled into an individually manageable light module and the light module is then inserted into a housing.

Abstract: An automotive vehicle light beam projection device, including at least one light source able to emit light rays, an optical projection system with an exit pupil situated on an optical exit element, which optical system is able to project a light beam, wherein the light beam includes a digital screen configured to direct at least one part of the incident light rays emitted by at least one source toward the optical projection system, the device furthermore including means for focusing the light rays emitted by the at least one light source on a zone of the digital screen, and an intermediate assembly for projecting the light rays originating from the digital screen which are configured to illuminate the surface area of the exit pupil.

Abstract: An open roof construction for a vehicle includes at least one cover capable of closing an opening in a fixed roof of the vehicle. The at least one cover comprises a light emitting layer capable of guiding light from a longitudinal edge of the light emitting layer, substantially parallel to a longitudinal direction of the vehicle, towards a main surface and capable of emitting light from a main surface of the light emitting layer towards an interior space of the vehicle. The cover further comprises a light device for emitting light into the light emitting layer, the light device including at least one light source and a light guide for guiding the light from the light source to the edge of the light emitting layer, wherein in the light guide is formed by a bundle of light fibers existing of several light fibers.

Abstract: The invention discloses a uniformly illuminating LED light strip, comprising an outer casing, an inner casing, and a light-emitting component, the outer casing comprises a light-transmitting layer and a reflective layer, the reflective layer is disposed on two sides of the light-transmitting layer and extends to the bottom of the light-transmitting layer, the light-transmitting layer is provided with a vacant part, the light emitted by the LED illuminant is refracted by the vacant part and then emitted through the light-exiting surface of the light-transmitting layer. In the present invention, the light of both large-angle and the small-angle emitted by the LED illuminant is reflected and refracted by the mutual cooperation of the vacant part and the reflective layer, and finally emitted through the light-exiting surface of the light-transmitting layer making the light of the light strip more uniform and improving the decoration and lighting effect of the light strip.

Abstract: A light emitting device includes a base; a plurality of semiconductor laser elements that are disposed on the base and that are configured to emit light laterally from the plurality of semiconductor laser elements; a reflecting member that is disposed on the base and configured to reflect light from the plurality of semiconductor laser elements; a surrounding part that is disposed on the base and that surrounds the plurality of semiconductor laser elements and the reflecting member; a wiring part that is disposed on the base so as to extend to a location outside of the surrounding part, the wiring part being electrically connected to the plurality of semiconductor laser elements; a radiating body disposed on the surrounding part, the radiating body comprising at least one of a metal and a ceramic, and the radiating body having an opening; and a wavelength converting member that is located in the opening of the radiating body, the wavelength converting member being configured to convert a wavelength of light t

Abstract: The present invention disclosed an LED light source lampshade with a self-locking and pre-tightening device, which relates to the field of illuminating devices.

Abstract: There is provided a vehicle lamp, the vehicle lamp including a light source that emits light, and a light-guiding component that includes (i) a light-guiding component main body having an end portion at one end in a longitudinal direction thereof through which light from the light source is guided in and having an emission surface from which light reflected by a step portion is emitted out, and also having pairs of inclined surfaces that, when looked at in a cross-sectional view taken in the longitudinal direction thereof, extend on an inclination relative to the emission surface and are disposed facing each other, a plurality of the pairs of inclined surfaces being disposed in the longitudinal direction, and (ii) differential refractive index layers that are interposed between the pairs of inclined surfaces and have a lower refractive index than the refractive index of the light-guiding component main body.

Abstract: A backlight module includes a frame, a light guide plate, and at least one first optical film. The frame has a supporting surface. The light guide plate is disposed in the frame. The first optical film is disposed above the light guide plate. The first optical film has a first body and a first ear extending from the first body. The first ear is supported by the supporting surface. A first boundary line exists between the first body and the first ear. The first optical film includes an opening region crossing the first boundary line. The opening region has at least one opening.

Abstract: The backlight module provided in the present disclosure comprises a backplate and a light-emitting device, and the backplate has a mounting surface. The light-emitting device comprises a mounting member and a light source disposed on the mounting member. Moreover, the backplate comprises a concave portion and/or a convex portion, and the concave portion and/or the convex portion fixes the mounting member onto the mounting surface. The backlight module provided in the present disclosure can simplify steps of assembling or disassembling the light-emitting device, thus production efficiency can be improved and high integration manufacturing of backlight modules can be facilitated.

Abstract: A lighting system is configured to provide lighting on an interior of a utility platform. The lighting system comprises a rope light and a power source for installing in or near the utility platform. The rope light includes a plurality of light emitters and a casing. The casing surrounds the plurality of light emitters, which are spread along the rope light. The rope light is configured to provide light to an interior surface of the utility platform. The isolated power source provides electrical power to the rope light, and is configured to prevent a discharge of electricity.