Abstract: A chip-on-board LED structure having multiple of LED dies, includes a flexible heat spreading pad for spreading heat and having a planar area; a top flexible foil on the flexible heat spreading pad; a dielectric layer on the first flexible foil; a flexible metal film on the dielectric layer; and an LED die array mounted on and covering a first area of the flexible metal film, wherein the planar area of the flexible heat spreading pad is at least four times larger than the first area of the flexible metal film.

Abstract: An LED automobile headlamp assembly including: a transparent front window; a back side housing attached to the transparent front window; a flexible heat spreader pad attached to the back housing and positioned between the back side housing and the front transparent window; an LED mounted on the heat spreader pad; and a supporting mechanism attached to the flexible heat spreader pad for tilting the LED.

Abstract: A light emitting diode bulb includes: a socket base configured for insertion into a light fixture; a plurality of separate heat sinks attached to the socket base; light emitting diode elements mounted on the plurality of separate heat sinks; and an optical element covering one of the light emitting diode elements.

Abstract: Disclosed is a light emitting diode retrofit unit including a main body housing electronics having a first end and a second end, an electrical connector at the first end of the main body and rotatably attached to the main body via a commutator, a first LED module connected at the second end of the main body via a first connector, a second LED module connected to the main body via a second connector, and a plurality of LEDs in each of the first and second LED modules.

Abstract: Disclosed is a LED bulb having side-emitting LED modules with heatsinks therebetween which includes a base member having a first surface and a second surface, an electrical connector at the first surface of the base member, a plurality of light emitting diode modules stacked on the second surface, wherein each of the light emitting diode modules have top surface on which a plurality of light emitting diodes are positioned and a bottom surface opposite to the top surface, and a plurality of heatsinks positioned between every other one of the plurality of light emitting diode modules.

Abstract: Disclosed is a light emitting diode lamp including a plurality of LED modules having a plurality of LEDs, the plurality of LEDs being arranged in a plurality of zones, a plurality of drive modules each respectively providing pulsed direct current power to one of the plurality of zones, and LED lamp controller electrically connected to the plurality of drive modules.

Abstract: Disclosed is a light emitting diode bulb having a base member having a first surface and a second surface, an electrical connector at the first surface of the base member, a plurality of light emitting diode modules stacked on the second surface and along an axis line, a region defined by two radii extending from the axis and an outer periphery of the plurality of light emitting diodes modules, and a plurality of side-emitting light emitting diodes on each of the plurality of light emitting diode modules wherein the plurality of side-emitting light emitting diodes is within the region.

Abstract: A light emitting diode (LED) lamp for street lighting includes: a curved lamp cover; a lamp case coupled to the lamp cover at one open end thereof and having an inner space in which a drive module for driving the lamp and a plurality of LED modules as light sources are mounted; and a reflective plate fastened to the lamp case to reflect light from the LED modules installed in the lamp case, wherein the lamp case is divided into a first housing portion having a hollow space in which the drive module is fixedly installed and a second housing portion in which a mounting member configured to mount the LED modules thereon is installed, and wherein direction adjusting members are respectively inserted between the mounting member and at least one of the LED modules in the second housing portion and each having a lower joining surface and an upper joining surface, the lower joining surface being flat such that the direction adjusting member contacts the mounting member and the upper joining surface being flat such th

Abstract: A light emitting diode (LED) lamp for street lighting is provided. The LED lamp includes a curved lamp cover, a lamp case coupled to the lamp cover at one open end thereof, and a reflective plate fastened to the lamp case. The lamp case has an inner space in which a drive module for driving the lamp and a plurality of LED modules as light sources are mounted. The lamp case is divided into a first housing portion and a second housing portion. The first housing portion has a hollow space in which the drive module is fixedly installed. A channel-shaped mounting member configured to mount the LED modules thereon is installed in the second housing portion. The inner surface of the channel-shaped mounting member has two bends to form a central area and first and second side areas formed at both sides of the central area. The areas of the inner surface of the channel-shaped mounting member disperse light from the LED modules in different directions.

Abstract: An LED lamp includes a curved lamp cover, a lamp case coupled to the lamp cover at one open end thereof, and a reflective plate fastened to the lamp case. The lamp case has an inner space in which a drive module for driving the lamp and a plurality of LED modules as light sources are mounted. The lamp case is divided into a first housing portion and a second housing portion. The first housing portion has a hollow space in which the drive module is fixedly installed. A mounting member configured to mount the LED modules thereon is installed in the second housing portion. Each of the LED modules includes a printed circuit board (PCB) substrate attached to the mounting member, a plurality of LED devices mounted on the PCB substrate, a lens seated on the PCB substrate to diffuse light from the LED devices, a spacer ring inserted between the PCB substrate and the lens, and a color film bonded to the lower surface of the lens facing the LED devices to determine the color of light from the LED modules.

Abstract: A light emitting diode bulb includes: a base having a screw-in type electrical connector at a first end of the base; a power converter in the base for converting alternating current voltage into direct current voltage; a plurality of light emitting diode modules stacked on the base, wherein each of the light emitting diode modules have a plurality of side-emitting light emitting diodes; and a cover surrounding the plurality of light emitting diode modules stacked on the base.

Abstract: A light guide plate having a top surface through which light is emitted, a bottom surface opposite to the top surface and a side surface between the top and bottom surfaces, a bottom reflector on the bottom surface for reflecting light at the bottom surface back into the light guide plate, light emitting diodes at the side surface and a side reflector on the side surface for reflecting light at the side surface back into the light guide plate, wherein the side reflector on the side surface has an opening corresponding to at least one of the light emitting diodes

Abstract: A low-clearance light-emitting diode lighting includes a light guide panel having side surfaces and a front surface opposing a back surface, a plurality of light-emitting diodes positioned on at least two side surfaces of the light guide panel, a reflecting plate at the back surface of the light guide panel, reflectors having an inclined angle, and a metal frame for supporting the reflecting plate and the light guide panel, wherein each of the plurality of light-emitting diodes is positioned between one of the at least two side surfaces and one of the reflectors such that light from the plurality of light-emitting diodes is reflected toward the at least two side surfaces.

Abstract: A low-clearance lighting includes a plurality of light emitting diodes positioned on at least two side surfaces of a light tile or a plurality of external electrode fluorescent lights within an encasement of a light tile, a reflecting plate at a back surface of the light tile, and a metal frame for supporting the light tile and having exterior dimensions suitable for insertion into a ceiling-grid of a drop-ceiling.

Abstract: A backlit erasable writing board includes a light guide panel, a plurality of light emitting diodes positioned on at least one side surface of the light guide panel for providing light to the light guide panel, a reflecting plate at a back surface of the light guide panel for reflecting light toward a front surface of the light guide panel, and an impervious translucent film at the front surface of the light guide panel for use as an erasable writing surface.

Abstract: A light-emitting diode lighting assembly, including a plurality of light-emitting diode lighting panels with light-emitting diodes positioned on at least one edge of the light-emitting diode lighting panels, a plurality of prism plates for refracting light emitted by the light-emitting diodes, wherein each of the plurality of prism plates is respectively positioned above one of the light-emitting diode panels, and a top plate covering the plurality of prism plates such that the light emitting diode lighting assembly appears seamless.

Abstract: A lighting device for an opening of a recessed light fixture includes a plate for mounting at the opening of the recessed light fixture, the plate having a first side for facing the recessed light fixture and a second side opposite to the first side, a light emitting diode lighting panel attached at the second side of the plate, and a power supply unit for insertion into a socket of the recessed light fixture, wherein the power supply unit is for providing power to the light emitting diode panel.

Abstract: A light-emitting diode shelf includes a light guide panel, a reflector covering a first side of the light guide panel, a first diffuser covering a second side of the light guide panel, a second diffuser covering the reflector, a light-emitting diode strip at an edge of the light guide panel, and a base encompassing the light-emitting diode strip and attached to the light guide panel.

Abstract: A light-emitting diode shelf includes a light guide panel, a reflector covering a first side of the light guide panel, a first diffuser covering a second side of the light guide panel, a second diffuser covering the reflector, a light-emitting diode strip at an edge of the light guide panel, and a base encompassing the light-emitting diode strip and attached to the light guide panel.

Abstract: A light-emitting diode panel fixture including a light guide panel, a light-emitting diode strip at an edge of the light guide panel, a base encompassing the light-emitting diode strip and attached to the light guide panel, and a trim attached to the base.