Flexible lighting apparatus and method of manufacturing the same disclosed. The flexible light apparatus includes a net-structured flexible printed circuit board (FPCB), being manufactured in shape of net structure in which a plurality of through-holes are formed separately from each other in a body of the net-structured FPCB, and having predetermined circuit patterns formed thereon, a plurality of light sources, being mounted on at least one of predetermined mounting location among intersection and branch of the net-structured FPCB, and a supporting layer, having apertures formed thereon and being fixed to support the net-structured FPCB at bottom surface.

A lighting device includes a substrate having a plurality of flat portions and a non-flat portion disposed between the flat portions, a plurality of light emitting sources disposed on the substrate, a fluorescent substrate layer covering one or more light emitting sources and converting a wavelength of a light from the light emitting source, and a connection line disposed on the substrate and electrically connecting the light emitting sources adjacent to each other between the adjacent light emitting sources. The substrate has a first end and a second end are arranged at different distance from a central axis.

A device comprising a flexible printed circuit strip is disclosed. The flexible printed circuit strip comprises a plurality of first sections connected to a plurality of second sections. The plurality of first sections are bendable in at least a first axis relative to the plurality of second sections. The plurality of first sections comprise a connector to house at least one light emitting element. The plurality of second sections comprises a protrusion with an opening between two adjacent second sections such that the protrusion is bendable in at least two axes. The plurality of second sections comprise a connector to connect an electrical power supply.

An LED filament includes LED chips, two conductive electrodes, and an enclosure. The LED chips are arranged in an array along an axial direction of the LED filament and are electrically connected with one another. The two conductive electrodes are disposed corresponding to the array. Each of the two conductive electrodes is electrically connected to a corresponding LED chip at an end of the array. The enclosure is coated on two or more sides of the array and the two conductive electrodes. A portion of each of the two conductive electrodes is exposed from the enclosure. An axis of the LED filament is parallel with the axial direction, and a radial direction of the LED filament is perpendicular to the axial direction. Postures of at least a part of the LED chips related to an axis are different from each other on the radial direction.

The present application provides an LED film module installable on a surface having various shapes. The present application provides a flexible LED film module comprising: a flexible LED film; and a mounter provided on the flexible LED film so as to install the flexible LED film on a predetermined surface, and formed to be deformable according to the shape of the predetermined surface, wherein the mounter comprises: a base; and a supporter disposed along the edge of a plate and extending to a predetermined height from the base so as to support the flexible LED film to be spaced apart from the base.

Arc modular light devices, systems, and methods. In at least one exemplary embodiment of a module system of the present disclosure, the module system comprises a plurality of LED modules, each LED module comprising an outer housing, a light source positioned within the outer housing, and a lens positioned so that light from the light source can be emitted through the lens; and a plate configured to couple to each of the plurality of LED modules; wherein the module system is configured to focus light from the LED modules inward when the plate has a concave curvature; and wherein the module system is configured to spread light from the LED modules outward when the plate has a convex curvature.

A folded light engine comprising an array of LEDs mounted on a strip substrate, wherein the strip substrate comprises a central portion provided with a first set of through-holes, a first peripheral portion provided with an electrically conducting track connecting a first group of LEDs and a second set of through holes, and a second peripheral portion provided with an electrically conducting track connecting a second group of LEDs. The first peripheral portion is folded over the central portion, so that the LEDs thereon coincide with through-holes in the central portion, and the second peripheral portion is folded over the first peripheral portion, so that each LEDs thereon coincide with a combined through-hole formed by through-holes in the central portion and in the first peripheral portion. An elongated light engine can be cost efficiently manufactured in a relatively simple processes, including single-sided circuit patterning and LED mounting.

The disclosure concerns a light-emitting module (100) comprising one or more flexible, elongated light-emitting diode, LED, strips (110) and a mixing chamber (150). Each LED strip comprises a first side (112) on which a plurality of LEDs (111) is mounted, a second side (113) opposite to said first side, and two lengthwise edges (114). The mixing chamber (150) is arranged to mix light emitted by said LEDs and comprises a base (151). One of the lengthwise edges (144) of each LED strip is arranged to face the base (151) of the mixing chamber. At least a portion of each LED strip (110) is bent (or folded) to extend radially from a center portion of the mixing chamber towards one or more outer points (132), so that the one or more light-emitting diode strips (110) together form a number N of elongated arms (130). Each elongated arm comprises two segments of the LED strip, where the segments form opposite sides of the elongated arm.

The solution relates to lighting technology, namely to LED lamps powered directly from the AC mains. The technical result is to simplify the design, improve heat dissipation and reduce the labor intensity of manufacturing high-power lamps of general use, resistant to external influences >IP65, and with a minimum cost and labor intensity. In some cases, the LED lamp contains a radiator housing made in the form of a hollow cylindrical body made of an optically transparent material; a flexible aluminum printed circuit board, on a mounting surface of which LEDs and a driver are mounted; end caps, at least one of which is provided with means for connecting to a power supply network, while the flexible printed circuit board is configured in the form of a roll, the mounting surface is disposed outward, and part of the board with the driver is bent inside the roll, while the light-emitting surface of the LEDs is immersed in a transparent material housing, and the mounting surface of the configured printed circuit board has direct thermal contact with the transparent material.

An LED illumination device corresponds to a compact fluorescent lamp and has improved thermal properties. The illumination device includes a transparent tube having an inner wall defining a cavity, a light engine having one or more light emitting diodes, and a driver to drive the light engine. The light engine is disposed at the inner wall of the transparent tube. The arrangement of the light engine and the one or more light emitting diodes at the inner wall of the tube provides improved lighting characteristics. Simultaneously, an improved cooling is provided by the interface surface for conducting heat between the inner wall and the light engine.