268 results about "Recessed light" patented technology

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.

An LED down light replacement apparatus is disclosed for insertion into a recessed-light housing can, which includes an LED light source, a means for mounting said LED light source within the housing can, an LED driver circuit electrically connected to the LED light source, a heat sink in thermal contact with the LED light source, and means for removing heat generated by the LED light source. The means for removing heat generated by the LED light source can include a fan and / or ventilation holes in the top of the housing can.

An recessed luminaire trim assembly, comprises an outer trim, an inner reflector portion having a polygon shaped cross-section defined by a plurality of reflectors and a plurality of seams defined between each of the plurality of reflectors, a flange extending outwardly from a peripheral edge of the inner reflector, a spring connected to the outer trim, the spring having at least one leg engaging the inner reflector portion and tightening the plurality of seams.

A universal trim piece for a recessed light includes a mounting side disposed toward a ceiling and having an aperture sized to conform with a dimension of an open side of a housing for a recessed light. A decorative side is disposed opposite the mounting side and a universal engagement member, disposed on the mounting side, removably engages a trim ring on the recessed light and secure the universal trim piece to the housing and proximate to the ceiling.

A recessed light fixture having a rotation ring allowing rotation of a lamp mounted over the fixture frame aperture, the rotation ring easily rotatable on the frame and held in place by a ring clamp. The recessed light fixture rotation ring has a mechanical brake for locking the ring in place after positioning of the lamp. The ring also has a slip disc positioned between the surface of the frame and the ring to allow easy rotation. The housing of the fixture has junction boxes mounted on side walls which are hinged to the sidewalls of the housing and which swivel into the interior of the housing for ready access after installation through the aperture of the frame. The lamp of the fixture movable about a horizontal adjustment and vertical adjustment axis while also maintaining position with respect to the reflector.

The recessed fixture includes a cylindrical housing assembly that encloses a lamp assembly in a watertight enclosure. The lamp assembly includes an attachment base bracket attached to the interior of the housing, and a U-shaped bracket that is rotatably attached to the base bracket. The U-shaped bracket includes attachment means that permit vertical and angular adjustment of the lamp assembly relative to the axial center of the housing. The combination of the pivot points and the ability to rotate the lamp housing about the base bracket provides at least three axes of adjustability to permit variation of the character of light emitted from the fixture. A cover placed over the end of the housing seals a lens to the housing to produce a watertight seal. The cover may include a pattern of ridges and openings to form a baffle to further protect the lens, reduce glare and provide additional directional control of the emitted light. The cylindrical housing fits within a sleeve that is positioned generally flush with the surface in which the fixture is being recessed, allowing the fixture to be accessed for installation and maintenance.

An LED down light replacement apparatus is disclosed for insertion into a recessed-light housing can, which includes an LED light source, a means for mounting said LED light source within the housing can, an LED driver circuit electrically connected to the LED light source, a heat sink in thermal contact with the LED light source, and means for removing heat generated by the LED light source. The means for removing heat generated by the LED light source can include a fan and / or ventilation holes in the top of the housing can.

An adjustable assembly for conveying heat away from a fixture. The adjustable assembly includes a sliding plate having a first side for mounting the fixture thereon and a curved surface opposite the first side. The adjustable assembly also includes a fixed heat sink having a mating surface adapted to allow the curved surface of the sliding plate to slide from a first position to a second position while maintaining a substantially flush contact between the curved surface of the sliding plate and the mating surface of the fixed heat sink. At least one fastener is also provided for securing the sliding plate to the fixed heat sink alternately in the first position or the second position.

The present invention is an adjustable hanger bar assembly for a light fixture. The assembly maintains structural integrity between first and second bars to support a recessed light fixture while being extended to distances where typical mounting assemblies fail. The hanger bar assembly comprises first and second bars which slidably engage one another. One of the first and second bars comprises a foldable foot which may be extended to increase the length of the hanger bar assembly.

In an embodiment, a recessed light fixture includes a structural reflector and two end caps that form a light fixture housing. A first, second and third optics areas are provided. At least one first light source type is mounted near the first optics area. A second light source type is mounted near the second optics area and the second light source type is mounted near the third optics areas, the second light source type having a light output level substantially lower than the light output level of the first light source type. A diffuser is configured to sealably mount to the light fixture housing so as to substantially seal an interior portion of the light fixture. In operation, the light fixture can be switch between an ambient mode and an examination mode while providing a cost effective and attractive design.

The invention provides an LED atmosphere illumination control system, which adopts the standard DMX512 control protocol and a bus type network structure. A controller intensively controls all LED lamps. The system comprises an embedded light synchronous controller, an indoor atmosphere illumination controller, a general high-power LED drive, a transmission medium and the LED lamps. The system canperform scene mode control by network control mode, remote control mode, automatic control mode, manual control mode and various control modes; no less than nine scene modes are preset or can be freely set according to individual preference; digital diming can be achieved by an embedded program, and the illumination and the color tone of the light can be controlled precisely; and each lamp can beindependently controlled or can be controlled by networking. The system can ensure the evenness of the illumination effect while achieving the energy-saving illumination control and is widely applicable to local intensive illumination control of public places and families.

At least one embodiment of the invention provides a recessed assembly combining a light fixture and a speaker assembly. The light fixture is a light source that is excited via an array of high-intensity light-emitting-diodes (LED) and is imbedded into a ceiling-mounted recessed assembly. The light fixture may be fashioned such that it closely mimics existing, commonly available recessed ceiling lighting assemblies. A speaker assembly is mounted within the recessed assembly so that both light and sound can be provided by the recessed assembly.

In an embodiment, a recessed light fixture includes a structural reflector and two end caps that form a light fixture housing. A first, second and third optics areas are provided. At least one first light source type is mounted near the first optics area. A second light source type is mounted near the second optics area and the second light source type is mounted near the third optics areas, the second light source type having a light output level substantially lower than the light output level of the first light source type. A diffuser is configured to sealably mount to the light fixture housing so as to substantially seal an interior portion of the light fixture. In operation, the light fixture can be switch between an ambient mode and an examination mode while providing a cost effective and attractive design.

A white LED illumination device can include a white LED that has unevenness in tone and is used as a light source. The white LED illumination device can emit white light with high color rendering properties without unevenness in tone and can include the above noted white LED located adjacent an optical lens. The white LED and optical lens can be arranged so that the optical axes of both are substantially aligned with each other. The white LED can include an LED chip which emits light having a peak wavelength in the blue wavelength range and a fluorescent material which can be excited by the light emitted from the LED chip to emit yellow or yellowish green fluorescence (i.e., complementary colors to blue) by use of wavelength conversion. The optical lens can have a recessed light incident surface having an opening, a light emitting surface, and a totally reflective surface positioned between the light incident surface and the light emitting surface. The inner bottom of the recessed light incident surface can include a convex shape having a convex surface. The light emitting surface can be composed of a convex portion having a center and a periphery that can be formed in different shapes or curvatures, and can include a flat surface surrounding the convex portion.

A recessed light fixture includes a thermally protected light emitting diode (“LED”) module. The thermally protected LED module includes a thermal protector positioned in series between a source of electrical power and an LED driver and is configured to open a circuit to prevent power from being supplied by the power source to the LED driver for an LED package when a thermal rating or activation temperature of the thermal protector is exceeded. For example, the maximum operating temperature of the LED driver may be 90 degrees Celsius, and the thermal rating of the thermal protector may be 80 degrees Celsius, and when the temperature of the driver or a mounting bracket upon which the driver is mounted reaches 80 degrees Celsius, the thermal protector opens a circuit and removes current flow from the power source to the driver, thereby removing power to the LED package.

A recessed luminaire is described. The luminaire may include an aiming system allowing a rotation angle and / or a tilt angle of a light source to be adjusted while the light source is in operation. Additionally, the luminaire includes a light shield that is coupled to the aiming system such that the light shield may move in relation to the tilt angle and the orientation of the light source. The aiming system may be further coupled to a support panel such that rotation of the aiming system is provided by a rotatable coupling between one or more leaf Springs of the aiming system, and an upper surface of the support panel.

A housing for a recessed light fixture for installation into a passenger compartment of a vehicle includes a composite trim assembly. The composite trim assembly includes a spacer and a trim member. The spacer operably engages the housing of the light fixture and the trim member is connected to the spacer. The spacer aligns the trim member with the housing such that the trim member does not contact the housing. Consequently, the trim member, which is exposed to the passenger compartment upon installation, maintains a lower temperature than the housing to which it is connected.

An adjustable assembly for conveying heat away from a fixture. The adjustable assembly includes a sliding plate having a first side for mounting the fixture thereon and a curved surface opposite the first side. The adjustable assembly also includes a fixed heat sink having a mating surface adapted to allow the curved surface of the sliding plate to slide from a first position to a second position while maintaining a substantially flush contact between the curved surface of the sliding plate and the mating surface of the fixed heat sink. At least one fastener is also provided for securing the sliding plate to the fixed heat sink alternately in the first position or the second position.

An LED conversion system is used in connection with a recessed light housing mounted in a ceiling. The housing has a can with apertures through it and an electrical socket mounted inside. An electrical source of AC current is connected to the socket. A lamp fitting into the can has a shell with a flat or domed top and a plurality of LEDs. Two bolts and nuts attach the shell to the can. The first end of each bolt is hook-shaped to hook into the apertures. The second end has a thread. Each nut has a head and an elongated portion with an internal thread. A power supply is converts AC to DC current to power the LEDs. The power supply has an enclosure and a circuit board. An electrical plug connects the power supply to the socket. A plurality of conductors connects the power supply to the LEDs. An optional ocular plate can be a diffuser, a filter, or a fresnel lens.

A low-profile, recessed light fixture with a housing, a lighting element enclosure with a heat sink, and a junction box containing a lighting driver. The base of the housing has an illumination aperture disposed therein. The heat sink acts as the top of the lighting element enclosure and is movable between an operation position and a service position. In the operation position, the heat sink is vertically aligned with the illumination aperture. In the service position, the heat sink is horizontally displaced from vertical alignment with the illumination aperture. When the heat sink is in the service position, the interior of the junction box is accessible through the illumination aperture, allowing the user to remove the lighting driver and other electrical components from the junction box for maintenance.

Electrical fixtures, such as junction boxes or recessed luminaires, include mounting brackets that support the fixtures from structural members while fasteners, such as screws or nails, are driven through the mounting brackets, thereby facilitating mounting the fixtures. Each of the mounting brackets has a general U-shape that includes at least three generally planar sides. The top side is generally perpendicular to the other two sides, and the top side connects the other two sides and together. The three sides define (in cross-section) a structural member receiver opening. An inside dimension of the structural member receiver opening is such that bracket fits snugly around at least a portion of a commonly sized wood or metal structural member, such as a furring strip or joist, used in ceiling construction. In one embodiment, two of the sides of the structural member receiver opening define an acute dihedral angle to hood around the edge of a metal furring strip.

The present invention is an adjustable hanger bar assembly for a light fixture. The assembly maintains structural integrity between first and second bars to support a recessed light fixture while being extended to distances where typical mounting assemblies fail. The hanger bar assembly comprises first and second bars which slidably engage one another. One of the first and second bars comprises a foldable foot which may be extended to increase the length of the hanger bar assembly.

Apparatus includes a mounting plate having a hole in a center portion thereof, a recessed light support member having laterally-extending flanges on each of two essentially parallel sides, and a guide disposed on the top surface of the plate, the guide having a longitudinal section offset from the top surface by a distance greater than the thickness of the flanges, where the flanges of the recessed light support member are slidable laterally between the top surface of the plate and the longitudinal section of the guide. A method of servicing a lighting fixture having a can includes sliding the can laterally from a position where the can is centered over the hole to a position where a servicing space is effected between a perimeter of the hole and the can.

A hanger bar for supporting a recessed light fixture is attachable to ceiling joists or a T--bar grid of a drop down ceiling. First and second bars of the hanger bar slide and telescope. First and second spring clips are detachably coupled to the brackets at the ends of the first and second bars, respectively. Each of the first and second clips has a pair of downwardly extending arms bent inwardly toward one another, a first leg extending from a first arm, a second leg extending from a second arm, and an outwardly-extending foot on the second leg. The spring clips snap on to the T-bar grid. Each bracket includes a nail that is angled away from the hanger bar and downward so that the nail head is below the level of the hanger bar. The angled nails enable easy hammer strikes to attach the hanger bar to ceiling joists without accidental hammer blows to the hanger bar. The bracket may be discrete from the hanger bar but attached via tox clinching or a tab pass-through attachment.

A recessed light fixture and methods for manufacturing the same are disclosed. Embodiments include a support base and an adjusting bracket pivotally connected to the support base, the support base capable of pivoting between a first pivot position and a second pivot position to facilitate a user moving the adjusting bracket. When a lighting source is connected to the adjusting bracket, a user is able to move the lighting source and bracket aside to facilitate the user accessing the region behind the lighting source and bracket, which can include a power supply box and door. In at least one embodiment, a single-blade bracket extends perpendicularly from the support base while in the first pivot position and does not extend perpendicularly from the support base while in the second pivot position.

Apparatus includes a mounting plate having a hole in a center portion thereof, a recessed light support member having laterally-extending flanges on each of two essentially parallel sides, and a guide disposed on the top surface of the plate, the guide having a longitudinal section offset from the top surface by a distance greater than the thickness of the flanges, where the flanges of the recessed light support member are slidable laterally between the top surface of the plate and the longitudinal section of the guide. A method of servicing a lighting fixture having a can includes sliding the can laterally from a position where the can is centered over the hole to a position where a servicing space is effected between a perimeter of the hole and the can.

A hanger bar for supporting a recessed light fixture is attachable to ceiling joists or a T-bar grid of a drop down ceiling. First and second bars of the hanger bar slide and telescope. First and second spring clips are detachably coupled to the brackets at the ends of the first and second bars, respectively. Each of the first and second clips has a pair of downwardly extending arms bent inwardly toward one another, a first leg extending from a first arm, a second leg extending from a second arm, and an outwardly-extending foot on the second leg. The spring clips snap on to the T-bar grid. Each bracket includes a nail that is angled away from the hanger bar and downward so that the nail head is below the level of the hanger bar. The angled nails enable easy hammer strikes to attach the hanger bar to ceiling joists without accidental hammer blows to the hanger bar.