Abstract: Modular channels are disclosed. The channels include a pair of sidewalls and a channel bottom. The pair of sidewalls and the channel bottom are separate, modular, and connected at or proximate to the sidewall bottoms by complementary engaging structures carried by the parts. In some cases, an intermediate member may be placed in the joints between the bottom and the sidewalls. The intermediate member may be made of plastic or rubber, and typically has a constant cross section. It may be a tube or have a round or ellipsoid cross section. The sidewalls may have flanges for flush-mounting the channel in a wall or similar structure. The sidewalls and bottom may carry various channels for alignment with other channels or mounting on other structures.

Abstract: An LED lamp includes: a lamp shell; a passive heat dissipating element having a heat sink, wherein the heat sink comprises fins and a base; a power source; a light emitting surface connected to the heat sink of the passive heat dissipating element and comprising LED chips; a first heat dissipating channel formed in a first chamber of the lamp shell; a second heat dissipating channel formed in the heat sink and between the fins and the base of the heat sink; and a lamp cover connected with the heat sink and having a light output surface and an end surface; wherein the base of the heat sink has a projecting portion protrudes from the light emitting surface in an axial direction of the LED lamp, the projecting portion protrudes from the light emitting surface in the axial direction of the LED lamp, the projecting portion is configured to be annular and a concave structure is defined by both the projecting portion and the base for receiving and protecting both the light emitting surface and the light cover, the b

Abstract: An LED lamp includes: a lamp shell; a passive heat dissipating element having a heat sink, wherein the heat sink comprises fins and a base; a power source; a light emitting surface connected to the heat sink of the passive heat dissipating element and comprising LED chips; a first heat dissipating channel formed in a first chamber of the lamp shell; a second heat dissipating channel formed in the heat sink and between the fins and the base of the heat sink; and a lamp cover connected with the heat sink and having a light output surface, an end surface, an inner reflecting surface disposed inside the light output surface of the lamp cover and an outer reflecting surface disposed in the outer circle of the array of the LED chips; wherein a relationship as follows is satisfied between the LED chips and the inner and outer reflecting surface: (A1/N1):(A2/N2)=0.

Abstract: The present invention provides a floodlight, including a mounting rack, a power source module, a rotating assembly, buckling covers, several heat dissipation components, and an LED module, where the rotating assembly includes a connecting pipe and rotating seats; the heat dissipation component includes a heat dissipation body and a gear cover; an abutment surface is disposed on a top surface of the rotating seat; a pin-jointed surface is disposed on a bottom surface of the buckling cover; and two ends of the mounting rack are respectively clamped to rotating seats and then are pin-jointed to the buckling covers, to adjust an irradiation angle of the floodlight. The foregoing floodlight has a simple structure, a small size, and an adjustable irradiation angle.

Abstract: An LED lamp includes: a lamp shell; a passive heat dissipating element having a heat sink, wherein the heat sink comprises fins and a base; a power source; a light emitting surface connected to the heat sink of the passive heat dissipating element and comprising LED chips; a first heat dissipating channel formed in a first chamber of the lamp shell; a second heat dissipating channel formed in the heat sink and between the fins and the base of the heat sink; and a lamp cover connected with the heat sink and having a light output surface and an end surface; wherein the light emitting surface include at least two LED chip sets having the LED chips, an open region is formed between adjacent two LED chips of the same LED chip set on the light emitting surface, the open region between any two adjacent LED chips of one of the two adjacent chip sets on the light emitting surface interlaces to and communicates with the open region between any two adjacent LED chips of another one of the chip sets on the light emitting

Abstract: A system for replacing linear fluorescent lamps with LED modules in a cabinet sign includes an LED module support structure. The LED module support structure may be attached to the raceways of the cabinet sign or to the sockets formerly used for mounting fluorescent lamps between the raceways.

Abstract: A luminaire that includes a heat spreader, a heat sink diametrically outboard of the heat spreader, an optic retained by the heat spreader, a light source disposed on the front side of the heat spreader, and a power conditioner disposed on the heat spreader. The power conditioner is disposed on the same side of the heat spreader as the light source. The heat sink includes fins that alternate with adjacently disposed and radially oriented recesses.

Abstract: A friction blade trim retention system is disclosed. The friction blade trim retention system uses friction blades that are biased radially outward to engage the interior wall of a can housing to hold a trim assembly of a recessed light fixture therein. The system includes vertical translating components that include spring biased detents to toggle between an upper position and a lower position. The detent lower position allows the installer to install the friction blade inside the can in a first step. The installer in the second step pushes the trim assembly upward into the can to engage the upper detent, thus completing installation.

Abstract: An LED lamp includes: a lamp shell; a passive heat dissipating element having a heat sink, wherein the heat sink comprises fins and a base; a power source; a light emitting surface connected to the heat sink of the passive heat dissipating element and comprising LED chips; a first heat dissipating channel formed in a first chamber of the lamp shell; a second heat dissipating channel formed in the heat sink and between the fins and the base of the heat sink; and a lamp cover connected with the heat sink and having a light output surface and an end surface; wherein a chamber is formed between the light cover and the light emitting surface, and the light emitting surface and the LED chips are located in the chamber, the chamber has first apertures and second apertures, the first apertures are configured to communicate with the outside, and the second apertures are configured to communicate simultaneously with both the first heat dissipating channel and the second heat dissipating channel.

Abstract: An LED panel is disclosed. The LED panel includes LED chips and a mount substrate on which the LED chips are mounted by flip bonding. Each of the LED chips includes a sapphire substrate, a plurality of light emitting cells disposed below the sapphire substrate, and an etched portion formed between the plurality of light emitting cells. Each of the LED chips includes a plurality of color cells formed corresponding to the plurality of light emitting cells on the sapphire substrate to change or maintain the color of light from the corresponding light emitting cells and a plurality of light collecting portions formed corresponding to the plurality of light emitting cells and the plurality of color cells on the bottom surface of the substrate and adapted to collect light from the corresponding light emitting cells on the corresponding color cells.

Abstract: An LED (light emitting diode) lamp comprising: a lamp shell; a passive heat dissipating element having a heat sink connected to the lamp shell, wherein the heat sink comprises fins and a base; a power source disposed in the lamp shell; a light emitting element connected to the base of the heat sink of the passive heat dissipating element and comprising LED chips electrically connected to the power source; a first channel defined in a chamber of the lamp shell for dissipating heat generated from the power source while the LED lamp is working; and a second channel defined in the heat sink and between the fins and the base for dissipating the heat of the heat sink, which is generated from the LED chips and transferred to the heat sink; wherein the first channel comprises a first end on the light emitting element to allow air flowing from outside of the LED lamp into the chamber, and a second end on the upper portion of the lamp shell to allow air flowing from inside of the chamber out to the LED lamp; wherein th

Abstract: An LED lamp includes: a lamp head; a passive heat dissipating element having a heat sink; a power source; a light emitting surface comprising LED chips electrically connected to the power source; a first heat dissipating channel; a second heat dissipating channel; and a lamp cover; wherein the first heat dissipating channel comprises a first end and a second end; wherein the second heat dissipating channel comprises a third end on the light emitting surface; wherein the power source includes a power board and a plurality of electronic components mounted thereon; wherein the first heat dissipating channel includes an inner channel and an outer channel, a transformer of the electronic components includes a core and coils, the core has a second chamber in which the coils are disposed, an opening is formed at a side of the second chamber in a radial direction to expose the coils, the opening corresponds to the inner channel or the outer channel.

Abstract: An LED lamp includes: a lamp shell including a lamp head, a lamp neck and a sleeve; a passive heat dissipating element having a heat sink; a power source having a first portion and a second portion; and a light emitting surface comprising LED chips; wherein the sleeve of the lamp shell is made of a material having lower thermal conductivity than that of material of the heat sink; wherein the sleeve of the lamp shell is encircle covered by the heat sink, such that the second portion of the power source and the heat sink of the passive heat dissipating element are thermally insulated by the sleeve to prevent thermal effecting from the heat sink to the power source in the sleeve.

Abstract: An LED lamp includes: a lamp shell; a passive heat dissipating element; a power source; a light emitting surface comprising LED chips; a first heat dissipating channel; a second heat dissipating channel; and a lamp cover having a light output surface and an end surface, wherein the end surface is formed with a vent; wherein the first heat dissipating channel comprises a first end and a second end; wherein the second heat dissipating channel comprises a third end; wherein the first end is projected onto the end surface in an axis of the LED lamp to occupy an area on the end surface, which is defined as a first portion, another area on the end surface is defined as a second portion, and the vent in the first portion is greater than the vent in the second portion in area.

Abstract: An LED lamp includes: a lamp shell including a lamp head, a lamp neck and a sleeve, the lamp head connects to the lamp neck which connects to the sleeve; a passive heat dissipating element having a heat sink connected to the lamp shell, wherein the heat sink comprises fins and a base; a power source; a light emitting surface; a first heat dissipating channel formed in a first chamber of the lamp shell; a second heat dissipating channel formed in the heat sink and between the fins and the base; a lamp cover connected with the heat sink and having a light output surface and an end surface; wherein the base of the heat sink has a lower end located under the base, the lower end protrudes from the light emitting surface in an axis of the LED lamp; another side of the base of the heat sink, which is opposite to the lower end, has a back side, an end of each of the fins of the heat sink extends to connect with the back side, when the LED lamp is being hung, in an inward radial direction, the back side is upwardly sl

Abstract: Various apparatus and associated methods involve a light source that provides light at wavelengths that substantially correlate to local maxima in the spectral sensitivity of a diurnal avian. In an illustrative example, the light source may output light primarily in wavelength bands that are not substantially absorbed by colored oil droplets and/or visual pigment in at least one type of cone in the eye of a diurnal avian. In some embodiments, the light source may include a light-emitting diode (LED) light source. Exemplary light sources may output spectral components to illuminate diurnal avians with local maxima of intensity at wavelengths that substantially correspond to local maxima in a spectral sensitivity visual response characteristic of the diurnal avians.

Abstract: An LED lamp includes: a lamp head; a passive heat dissipating element having a heat sink; a power source; a light emitting surface comprising LED chips electrically connected to the power source; a first heat dissipating channel; a second heat dissipating channel; and a lamp cover; wherein the first heat dissipating channel comprises a first end and a second end; wherein the second heat dissipating channel comprises a third end on the light emitting surface; wherein the power board is divided into a first mounting zone and a second mounting zone, total weight of the electronic components on the second mounting zone is greater than total weight of the electronic components on the first mounting zone, the first mounting zone is provided with a counterweight to balance the two zones of the power board in weight.

Abstract: An LED lamp includes: a lamp shell including a lamp head, a lamp neck and a sleeve; a passive heat dissipating element having a heat sink; a power source; a light emitting surface; a first heat dissipating channel; a second heat dissipating channel; and a lamp cover; wherein the sleeve has an upper portion and a lower portion, the upper portion is connected to the lower portion through an air guiding surface, a diameter of cross-section of the air guiding surface downward tapers off along the axis of the LED lamp.

Abstract: An LED lamp includes: a lamp shell including a lamp head, a lamp neck and a sleeve, the lamp head connects to the lamp neck which connects to the sleeve; a passive heat dissipating element having a heat sink connected to the lamp shell, wherein the heat sink comprises fins and a base; a power source; a light emitting surface; a first heat dissipating channel formed in a first chamber of the lamp shell; a second heat dissipating channel formed in the heat sink and between the fins and the base; a lamp cover connected with the heat sink and having a light output surface and an end surface; wherein a third aperture is located in a central region of the light emitting surface, and the third aperture forms an air intake of both the first heat dissipating channel and the second heat dissipating channel; wherein the light emitting surface has an inner border and an outer border encircling the inner border, both the inner border and the outer border separately upward extend along the axial direction of the LED lamp t

Abstract: An LED lamp includes: a lamp shell including a lamp head, a lamp neck and a sleeve, the lamp head connects to the lamp neck which connects to the sleeve; a passive heat dissipating element having a heat sink connected to the lamp shell, wherein the heat sink comprises fins and a base; a power source; a light emitting surface connected to the heat sink of the passive heat dissipating element and comprising LED chips; a first heat dissipating channel formed in a first chamber of the lamp shell; a second heat dissipating channel formed in the heat sink and between the fins and the base; a lamp cover connected with the heat sink and having a light output surface and an end surface; wherein the light emitting surface includes three LED chip sets, each of the three LED sets has LED chips, the light emitting surface is divided into three areas comprising an inner ring, a middle ring and an outer ring, the three LED chip sets are respectively located in the inner ring, the middle ring and the outer ring, when at leas