Abstract: A backlight module includes a housing including a bottom plate and side plates, forming a receiving cavity; a backlight source received in the receiving cavity, and including a plurality of LED lights each having a light-emitting center portion for projecting light in a first direction; and a light guide plate received in the receiving cavity, and including a light receiving edge surface facing the backlight source and extending in a second direction, a light-exiting top surface, and a bottom surface. First regions are included on a portion of the bottom surface of the light guide plate close to the light receiving edge surface in one-to-one correspondence to the light-emitting center portion of each LED light of the plurality of LED lights, each of the plurality of first regions having at least one first groove arranged in the first direction and extending in the second direction.

Abstract: A display device includes a display panel, a lighting device includes a light-emitting member for back illuminating the display panel and a frame-shaped portion surrounding the light-emitting member from an outer side, a housing accommodating the display panel and the lighting device and having an opening on a display surface side, and a sealing member closing the opening. The frame-shaped portion is fixed to the housing with a fixing member and extends from the lighting device to the sealing member, includes an end disposed adjacent to the sealing member and bonded to the sealing member with an adhesive.

Abstract: A retrofit assembly includes a first lighting module, a second lighting module, and a hub positioned between the first lighting module and the second lighting module. When the first lighting module and second lighting module are at least partially received within cavities formed in the hub, longitudinal axes of the first lighting module and the second lighting module are aligned approximately parallel to one another.

Abstract: An illuminator including a plurality of light emitting elements and a lens having a concave cylindrical first optical surface and a second optical surface, such that a thickness between the first and second optical surfaces is non-uniform along first and second orthogonal directions.

Abstract: An illumination device includes at least one light source and at least one optical component formed by a stack of at least two biconvex cylinder lenses, each lens having an optical axis perpendicular to a stacking direction of the optical component. The optical component is manufactured using a 3D printing process using fused deposition modeling.

Abstract: An electroluminescent light device includes a substrate, an emission element disposed on a first surface of the substrate and defining an emission area, first and second pads disposed on the first surface of the substrate in a non-emission area of the substrate, a touch layer disposed on a second surface of the substrate opposite the first surface, and a cover plate attached on a bottom surface of the touch layer.

Abstract: An aircraft lighting device includes a circuit board; an LED soldered to the circuit board; an optical element supported by the circuit board and positioned for re-directing at least part of the light emitted by the LED; a magnetic coupling between the circuit board and the optical element; and at least one surface mounted device included in the optical element, such surface mounted device including a pin soldered to the circuit board.

Abstract: A vehicle assembly includes a camouflaging cover configured to be placed over an exterior surface of a vehicle to conceal at least a portion of the vehicle, and a camouflaging lighting assembly integrated with the camouflaging cover and positioned over a light of the vehicle. The vehicle lighting assembly includes at least one light emitting device, a circuit board operatively connected to the at least one light emitting device, a housing having a first material composition, and at least one lens having a second material composition, such lens being more transparent than the housing. The first and second material compositions each includes a thermally conductive additive. The vehicle lighting method includes the steps of concealing at least a portion of a vehicle with the camouflaging cover, and positioning a camouflaging lighting device over a light of the vehicle.

Abstract: A display backlight includes an illumination layer and an optical layer. The illumination layer includes a two-dimensional array of light sources, which generate illumination light. An image of the illumination light is captured and analyzed for light uniformity. In response to the analysis of the illumination light, ink patterns are printed on the optical layer of a display backlight to increase light uniformity of the illumination light.

Abstract: A shelf system may include first and second support rails, each of the first and second support rails including two respective edge retaining slots configured to receive respective wall panels. The shelf system may further include a wall panel disposed between the first and second support rails, particularly between edge retaining slots of the first and second support rails. First and second electrical supply rails may be disposed within a front surface of the wall panel, and may be electrically insulated from the first and second support rails. One or more light fixtures, such as a light box fixture or a shelf fixture including light emitting diodes, may be mounted on the first and second support rails, such that each light fixture comes into electrical contact with the electrical supply rails to provide electrical current to each light fixture when connected to a power supply.

Abstract: A lamp includes a mounting portion secured to a wall, a fixed unit coupled to the mounting portion and having two cameras at an angle, a rotation unit rotatably mounted on the fixed unit and having a lighting device, and a motor configured to rotate the rotation unit in response to the cameras detecting movement of an object, and direct light from the lighting device towards the object.

Abstract: A light emitting device includes a flexible substrate, a plurality of LEDs arranged on the flexible substrate to emit light in a main direction perpendicular to both a longitudinal direction and a transversal direction of the flexible substrate a plurality of folds provided such that the flexible substrate is folded resulting in the main direction in which the light from at least one LED is rotated around the longitudinal axis or the transversal axis of the flexible substrate over a desired angle ?.

Abstract: A lighting device includes at least one first light-emitting element configured to emit a first light of a first wavelength range; and a light guide having axially opposite first and second base surfaces, and a plurality of segments, each with a first light in-coupling surface formed on a lateral surface of the light guide, each of the segments configured to convert at least a part of input light into second light having a selected wavelength range. At least a portion of the first base surface includes a second light in-coupling surface and at least a portion of the second base surface includes a light out-coupling surface. The lighting device is optically coupled to the second light in-coupling surface such that the first light is coupled into the light guide, and the first light emitting element is configured to reflect at least part of the second light thereon having a wavelength within at least one of the selected wavelength ranges back into the light guide.

Abstract: A lamp includes a base defining a chamber and having a wall plate covering the chamber, a power supply mounted in the chamber, two T-shaped tracks projecting from a bottom surface of the base, and two illuminating units each including a light emitting module and a slideway coupled to a corresponding one of the tracks such that the illuminating units can slide along the track.

Abstract: A light assembly includes a light source and a lens with a light-incident face defined by a central primary collector surface and secondary input surfaces extending transversely from the central primary collector surface, a light-emitting face opposite the light-incident face and defined by a central collimator profile and a pair of lateral side projections extending transversely from the central collimator profile, and a pair of secondary collecting surfaces extending between the light-incident face and the light-emitting face. Light from the light source received by the lens and exits as a generally collimated output.

Abstract: Utility pole system having a battery storage housing defining a top portion, a bottom portion, and an interior volume with an access opening extending through the top portion; a pole with an upper end and a lower end attached to the top portion of the battery storage housing; and means for moving the pole from the first position where the lower end of the pole covers the access opening of the battery housing, and a second position where the lower end exposes the access opening. The utility pole system might also include electrical components powered by a battery provided in the battery storage housing, such battery charged by utility power.

Abstract: A backlight includes a directional waveguide and a light source array, for providing large area directed illumination from localized light sources. Interfaces are provided between the directional waveguide and optical components adjacent the directional waveguide such that the coefficient of friction at the waveguide interfaces is greater than the coefficient of friction at least one outer interface on each side of the waveguide in the stack. Damage from compressive forces on the optical stack may be reduced, achieving improved optical performance and lifetime. Privacy display, low stray light display and autostereoscopic display may be provided with high uniformity, long lifetime and reduced cost mechanical components.

Abstract: A modular light panel includes a transparent base substrate, an array of light sources, at least one environment sensor unit mounted on the base substrate, and a transparent protecting layer encapsulating the light sources and the environment sensor unit(s). The refractive index of the transparent protecting layer is equal or less than that of the base substrate. The modular light panel might also include a wireless communication module.

Abstract: A light panel retrofit system includes an LED panel with an underside, and having LED panel lens circumscribed by an LED panel frame; a power supply is mounted to the LED panel; and an LED panel support frame configured to support the LED panel frame, and including first and second end frame members connecting first and second side rails to each other.

Abstract: A light device includes a light guide member having first, second and third portions. An array of light-modifying elements are formed on one main surface of the light guide member, and each light-modifying element having surfaces inclined with respect to at least one of the main surfaces of the light guide member. The light-modifying elements are configured to diffuse incident light. A light source (or light sources) is provided on a substrate, and configured to project light along a thickness direction of the light guide member. The first and third portions of the light guide member are provided at different distances from the substrate, with the second portion being inclined to an acute angle with respect to the substrate.