Abstract: The present application relates to the technical field of films and television lighting, and provides a lamp and an optical lens thereof, the lamp includes: a lamp body, a first housing and a second housing, the first housing is provided with slots, the second housing is movably sleeved inside the first housing, and an outer wall of the second housing is provided with a protruding member extending through the slots, the protruding member further simultaneously moves relative to the second housing while moves in the slot, to adjust a distance between the second housing and the lamp body. When the protruding member moves in the slot on the first housing, a part of the protruding member can also move relative to the second housing at the same time.

Abstract: A light guide plate, a backlight module and a display device are provided. A plurality of blind holes is arranged at a surface of the light guide plate; the blind hole is filled with a light-converting unit; the light-converting unit includes an accommodating cavity made of a light-transmitting material, and a light-converting material located in the accommodating cavity; and a gap is between an outer wall of the accommodating cavity and an inner wall of the blind hole.

Abstract: A portable light including an elongate body having a first end and a second end, a plurality of extension poles slidably received in the elongate body, a light head pivotably coupled to an end of one of the plurality of extension poles, and a head assembly housing fixed to the first end of the elongate body. The portable light further includes a collar positioned around a portion of the elongate body, a movable handle coupled to the collar, and a plurality of legs pivotably coupled to the collar. Each leg includes a first end hingedly coupled to the collar. Each leg is also pivotally coupled to the second end of the elongate body by a leg link, wherein each leg link includes a pair of parallel members connected together by an offset portion, and wherein the offset portion extends perpendicularly from a longitudinal axis of the leg link.

Abstract: A display device includes a frame, a display module, and a plastic structure. The frame includes a bottom plate and a sidewall surrounding the bottom plate. The bottom plate has a concave surface. The display module is disposed above the frame and has a curved bottom surface. The sidewall of the frame is located at an outer edge of the display module. The concave surface of the bottom plate faces toward the curved bottom surface of the display module. The plastic structure is disposed at the sidewall of the frame and has a supporting surface facing away from the sidewall of the frame. The supporting surface is disposed between the sidewall of the frame and the display module. The plastic structure extends between and conformal to the curved bottom surface of the display module and the concave surface of the bottom plate of the frame.

Abstract: A shelf includes a shelf support plate, an insulator formed at least partially of a first electrically insulating material, a first fastener, a second fastener and a shelf brace. The shelf support plate, the first fastener, the second fastener, and the shelf brace are formed at least partially of electrically conductive material. The shelf support plate includes a first aperture wall. The insulator includes second and third aperture walls. The shelf brace includes a brace plate, a shelf hook that extends from the brace plate, and a fourth aperture wall through the shelf brace. The insulator mounts between the shelf support plate and the shelf brace using the first fastener inserted into the first and second aperture walls and the second fastener inserted into the fourth and third aperture walls. The shelf hook connects to an electrical connector to provide current to the shelf brace.

Abstract: A light system having: (a) a plurality of light sources connected to a vehicle and creating light that radiates away from the vehicle so that the light substantially surrounds the vehicle; and (b) one or more sensors that detect light from another light source; and wherein one or more of the plurality of light sources are turned off in a direction of the another light source while some of the plurality of light sources remain on so that a tunnel having a reduction or absence of light is formed in the direction of the another light source between the plurality of light sources that remain on.

Abstract: A light emitting module includes: a light guide member including: an emission region defined by a sectioning groove, a light source placement part located in the emission region, and a light adjusting hole that, in a schematic top view, is located between the sectioning groove and the light source placement part; and a light source disposed in the light source placement part. A refractive index of an inside of the light adjusting hole is lower than a refractive index of the light guide member. In the schematic top view, the light adjusting hole is positioned to intersect with a first straight line connecting a center of the light source and a farthest point in the sectioning groove, the farthest point being farthest from the center of the light source.

Abstract: A tilt detection device uses externally generated electromagnetic signal sources to detect changes in relative orientational positioning of an object. A sensor (18) monitors intensity characteristics of electromagnetic stimuli received from remotely located sources, and a controller (16) utilises changes in those characteristics to inform detection and/or measurement of a state of tilting of an object to which the sensor is mounted.

Abstract: A lighting assembly includes a light stand, a lighting unit, and a modular rod assembly connecting the lighting unit to the light stand. The modular rod assembly includes a connection rod, a first extension rod connected to the connection rod, and a tubular fastener. The connection rod has a first coupling end. The first extension rod has a second coupling end. The tubular fastener is movably disposed around the first extension rod and is operable to move toward and sleeve around the first and second coupling ends such that the tubular fastener is engaged with the first coupling end and that the second coupling end is clamped between the first coupling end and the tubular fastener.

Abstract: A street lighting pole including at least one upright outer wall portion defining an enclosed space of the street lighting pole; a substantially vertically arranged divider (11) dividing at least part of the enclosed space into at least two substantially vertically arranged bays, the at least two bays including a first bay and a second bay; a space air inlet into the enclosed space arranged at a bottom of the upright outer wall portion; a space air outlet from the enclosed space arranged at a top of the upright outer wall portion; a respective individual air inlet for each of the at least two bays arranged at the bottom of the divider; and a respective individual air outlet for each of the at least two bays arranged at the top of the divider.

Abstract: A lighting unit and rail type lighting device according to an embodiment of the present invention includes a body part having a body plate and a first guide part disposed on the top of the body plate in a lengthwise direction of the body plate, a magnet material accommodation part disposed at an upper portion of the body part to accommodate a magnet material magnetically coupled with a rail unit; and a body-coupling part that is slide-coupled to each of both ends of the body part along the first guide part.

Abstract: The present disclosure relates to a smart street lamp, including: a lamppost, having at least one accommodating portion therein; and at least one equipment box, detachably placed in the accommodating portion. The equipment box is detachably mounted on the lamp pole for convenient transportation. Further, the equipment box can also be protected by the anti-theft security mechanism to enhance the anti-theft performance of the smart street lamp.

Abstract: An optical device includes a first backlight configured to output first light of a first wavelength through a first output coupler, a first lens disposed to face the first output coupler and having a focal length with respect to the first light, a second backlight including a second output coupler, the second backlight being configured to output second light of a second wavelength through the second output coupler, a second lens disposed to face the second output coupler and having different focal lengths with respect to the first light and the second light, a third backlight including a third output coupler, the third backlight being configured to output third light of a third wavelength through the third output coupler, and a third lens disposed to face the third output coupler and having different focal lengths with respect to the first light, the second light, and the third light.

Abstract: A softbox for being mounted to spotlight door flaps includes plural flat sides, at least two of which are mutually non-adjacent, wherein pockets for accommodating the spotlight door flaps are arranged on the at least two mutually non-adjacent flat sides of the softbox, wherein the pockets are each provided with an insertion opening, and wherein the insertion openings are configured to be reversibly variable with regard to their widths. The softbox includes at least two side walls, and further includes a light-baffle arranged between the at least two side walls of the softbox, wherein the light-baffle includes at least two translucent planes inclined to one another, and wherein the plural translucent planes together form a shape having a base facing towards the spotlight.

Abstract: The present disclosure relates to a color conversion sheet, a backlight unit, and a display device, in which a reflection filter exhibiting transflection with respect to blue light may be disposed on a color conversion layer that excites blue light and then emits green light and red light and in which a reflection filter exhibiting total reflection of green light and red light may be disposed under the color conversion layer, thereby increasing the probability of exciting blue light and the amount of green light and red light emitted forwards, so that the efficiency of the color conversion sheet can be improved. In addition, it is possible to prevent a halo caused by the diffusion of light scattered backwards and to increase the brightness provided by the backlight unit by causing the light scattered backwards to be reflected forwards from the position adjacent to the color conversion layer.

Abstract: A system, apparatus, and method for thermal regulation in a tiered rack growth system. A contact heat exchange converter is provided to remove thermal energy of a light fixture for the tiered rack growth system, including a contact thermal exchange cavity defined in the contact heat exchange converter is dimensioned to cooperatively receive an arcuate thermal sink of the light fixture. A circulation conduit communicates a dense medium coolant to remove thermal energy carried by a thermal mass of the contact heat exchange converter.

Abstract: A modular LED lamp system allows for stacking multiple LED carriers to provide the desired amount of light. Each LED carrier preferably includes its own transformer to convert line voltage to power useable by the LEDs on the carrier. Line voltage is conducted through each module to a subsequent module and is provided to the transformer.

Abstract: A security lighting system for a perimeter fence includes a plurality of light fixtures. Each light fixture has a lower end secured to a vertical fence post, an upper end including a low voltage LED for generating light, an extension tube extending from the lower end of the light fixture to the upper end of the light fixture for locating the low voltage LED above top horizontal fence pipes of the perimeter fence, and a light directing element covering the low voltage LED for directing light generated by the low voltage LED in a downward direction toward the ground. Low voltage electrically conductive wiring interconnects the light fixtures to low voltage current provided by a power source. The low voltage electrically conductive wiring is strung along the top horizontal fence pipes and is exposed as it extends horizontally between the light fixtures at the top of said perimeter fence.

Abstract: A street light fixture includes a street light pole having a base and a head end opposite the base supporting a street light head. The street light fixture includes a light fixture assembly having a head assembly, a base assembly and a wire assembly. The head assembly is received in the street light head and includes a light engine. The base assembly is received in a base cavity of the base of the street light pole and includes a power controller that receives power from power feed wires. The wire assembly has power supply wires extending between the street light head and the base of the street light pole. The power supply wires are coupled to the power controller and are coupled to the light engine to supply power from the power controller to the light engine.

Abstract: Provided are a light guide film, a backlight unit, and a display device. Light guide portions are disposed in holes of a reflection plate on which light sources are disposed, and a light guide film is directly disposed on the reflection plate and the light guide portions to provide a light guiding function and a light shielding function. Therefore, a method of facilitating implementation of a backlight unit with a small thickness, which satisfies image quality is provided. Further, each of the light shielding patterns has different reflectances in different areas, thereby increasing the amount of light supplied to an area between light sources. Therefore, a backlight unit with a reduced number of light sources and improved image quality may be provided.