Abstract: Optic couplings, including optic retention rings, are described herein that require reduced tooling or no tooling for optic installation on luminaires. Briefly, a retention ring for coupling an optic to a luminaire comprises radial alignment assemblies comprising a base, and a protrusion extending from a surface of the base for engaging a coupling assembly of the optic. At least one radial locking assembly is offset from the radial alignment assemblies, the radial locking assembly comprising a vertical protrusion for engaging an aperture of the optic coupling assembly and locking rotation of the optic relative to the radial alignment assemblies.

Abstract: Optic couplings, including optic retention rings, are described herein that require reduced tooling or no tooling for optic installation on luminaires. Briefly, a retention ring for coupling an optic to a luminaire comprises radial alignment assemblies comprising a base, and a protrusion extending from a surface of the base for engaging a coupling assembly of the optic. At least one radial locking assembly is offset from the radial alignment assemblies, the radial locking assembly comprising a vertical protrusion for engaging an aperture of the optic coupling assembly and locking rotation of the optic relative to the radial alignment assemblies.

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: One of a radiator plate (21) and a globe cover (13) is provided, on a part which makes contact with the other one, with a plurality of cutout sections (41), and the other one is provided, at positions corresponding to the respective cutout sections (41), with a plurality of projections (31). By engaging the cutout sections (41) and the projections (31), the globe cover (13) is attached to the radiator plate (21). This makes it possible to prevent, for a long term, the globe cover (13) which encloses a light source so as to cover the light source from being detached.

Abstract: A hooded light head assembly for providing directional lighting is provided which comprises a light housing having a hood. The light housing has an internal light source and a rear attachment surface that has an insert extension. The insert extension is configured to attach the light housing to mounting surface upon insertion into an opening in the mounting surface and upon rotation of the light housing relative to the mounting surface. Some of these hoods also have a locking tab extending rearward from the surface that may prevent removal of the hood from the mounting surface. The light head may also have a controller having touch sensitivity and set to indicate light head status and prevent reversed current through the light heads. An arrow board using the controller and light heads may be easily installed and may be durable and reliable in outdoor conditions.

Abstract: A lighting device includes a driving unit, a body arranged under the driving unit, a first light emitting module powered by the driving unit and disposed in a first area of the body, a second light emitting module powered by the driving unit and disposed in a second area of the body surrounding the first area, a first reflector surrounding the first light emitting module, and a second reflector surrounding the second light emitting module, and the first reflector. The driving unit controls the first light emitting module and the second light emitting module independently of each other.

Abstract: A range hood with an easily assembled and disassembled lamp includes a main body, a lamp seat, a lamp plug, a lamp, and a fastening device. Therein, the main body has a bottom board having an outer surface and an opposite inner surface with a combining hole in between. The lamp seat, with a lighting hole, rotationally moves between a first position and a second position for being longitudinally detached from the combining hole. The lamp plug is disposed on one side of the inner surface. The lamp has one end held by the lamp seat and the other end coupled to the lamp plug. The fastening device has one end connected to the lamp plug for attaching the lamp to the lamp seat. Thus, the lamp of the range hood is easily assembled or disassembled.

Abstract: LED light fixtures include a hollow body, a source of illumination mounted inside the body, a transparent cover extending across one end of the body, and a twist and lock mounting bracket assembly provided at another end of the body for securing the light fixtures to a building structure.

Abstract: An ornamental fixture includes a monolithic frame member having a plurality of integral bendable members, and a plurality of ornaments supported on the integral bendable members. The plurality of generally bendable members has a first portion and a second portion. At least a portion of the first portion is bent so that the second portion forms a post receivable in a first opening of a passageway within the ornament, and forms a distal portion extending from a second opening out of the passageway of the ornament. The distal portion is bent to inhibit movement of the ornaments off of the post.

Abstract: A coupling component has a groove for receiving a rim of a mouth portion of a lighting body protection bulb. The groove includes sculptured formations to keep the mouth portion rim received in the groove spaced from the bottom of the groove to produce a discontinuous contact between the mouth portion rim and the groove.

Abstract: A high-power, high-brightness lighting system for large venue lighting, which includes a laser diode as the excitation source and one or more phosphor materials placed at a remote distance from the laser source. The invention offers a lighting system with the advantages of high brightness, high efficiency, high luminous efficacy, long lifetimes, quick turn-on times, suitable color properties, environmental sustainability, and easy maintenance, which may allow for smart and flexible control over large area lighting systems with resulting savings in operating and maintenance costs.

Abstract: Light flux controlling member (140) includes: light controlling emission surface (141) for controlling the distribution of light emitted from light emitting element (130); back surface (143) that is positioned on a side opposite light controlling emission surface (141); boss (145) that is formed on back surface (143) side; and annular concave part (146) that is formed in the vicinity of a base end of boss (145). Annular concave part (146) has inside surface (146a) that is smoothly connected to an outer peripheral surface of the base end of boss (145) and that has an arc-shaped cross-section in an axial direction of boss (145).

Abstract: A protective cover adapted to house a lamp finial. The protective cover includes a cavity sized to house a lamp finial, the cavity having an open mouth. At least one tab is coupled to the cavity, preferably coupled to opposing sides of the open mouth of the cavity. An aperture can be disposed on each one of the tabs and a fold line can be disposed between the aperture and the cavity.

Abstract: A light source device includes: a rod-shaped light source or an array light source extending in a main scanning direction; a reflector that is placed opposite the rod-shaped light source or the array light source, extends in the main scanning direction, and reflects light output from a side face of the rod-shaped light source or the array light source; and a plurality of reflector supports that are arranged at an interval along the main scanning direction and support the reflector.

Abstract: An LED based illumination module includes a thermal interface surface that is coupled to a thermal interface surface of a reflector using engaging members that generate a compressive force between the thermal interface surfaces. The engaging members may be, e.g., protrusions that interface with recesses, spring pins, formed sheet metal, magnets, mounting collar, etc. The reflector may include a vented portion that is not optically coupled to the LED based illumination module to allow air to pass through the reflector.

Abstract: The present disclosure provides an optical fixing structure, a backlight module, and an assembly method thereof. The optical film fixing structure includes a back plate, a receiving portion, a connecting member, and a rotating member; wherein the receiving portion is fixed onto the back plate, a lower end of the connecting member is connected to the receiving portion, an upper end of the connecting member is connected to the rotating member, a fixing force is generated and applied to an optical film located between the rotating member and the receiving member by rotating the rotating member along a predetermined direction. In the present disclosure, the connecting member is connected to the receiving portion, and the optical film suspends on the connecting member.

Abstract: The present invention provides a positioning device for light guide plate and the backlight module. The positioning device for light guide plate includes a backboard and a spring member which can be deformed when exerted with external force, and resumes to its original position when the external force is relieved. The spring member is arranged adjacent to the incident surface of the light guide plate, and includes a connector attached to the backboard, and a positioning hand having a fixing end and a free end. The fixing end is secured to the connector, and the free end abuts against to the sidewall of the light guide plate so as to hold up the light guide plate. The spring member is set to have a certain elastic modulus. When the light guide plate expands under heat or other reasons, the spring member will provide a buffer zone for the light guide plate and deform in accordance with the light guide plate which is therefore prevented from being warped.

Abstract: A mounting arrangement for mounting an optical member to an oblong luminaire, comprising a plurality of mounting members, arranged to be fixed to an end cap at the narrow side of an oblong luminaire and to accommodate the optical member, wherein the plurality of mounting members comprises a first type of mounting member and a second type of mounting member.

Abstract: To prevent uneven brightness in a backlight unit, a backlight unit 12 includes: a hot cathode tube 17 that is a light source; a chassis 14 housing the hot cathode tube 17; a reflection sheet 20 arranged inside the chassis 14 and configured to reflect light; an optical member 15 arranged on a light exit side with respect to the hot cathode tube 17; and a support member 21 including a support portion 26 that has an axis extending in a space inside the chassis 14 and supports the optical member 15 from a side opposite to the light exit side. The support member 21 has a pressing surface 28 enabled to press the reflection sheet 20 from the light exit side and the pressing surface crosses an axial direction of the support portion 26 and crosses a direction perpendicular to the axial direction.

Abstract: The present invention relates to an easily-maintainable lamp connection device. The device comprises a lamp body, a front head arranged at an opening end of the lamp body, and a moveable link rod provided between the lamp body and the front head, which is able to slide freely; a stationary ring positioned firmly at the opening end of the lamp body with a gap between said stationary ring and an inside wall of the lamp body; a rod body of the moveable link rod is arranged with going through said gap, after assembling, an upper end of the moveable link rod located inside of the lamp body has a stopper whose size is bigger than that of said gap, and a lower end of the moveable link rod located inside of the front head is hinge jointed with a hinge mechanism inside of the front head.

Abstract: One example implementation of the disclosed technology is directed to a light reflector cone mounting apparatus that is configured to attach to a light reflector trim, and comprises an outer perimeter edge configured with two or more perimeter clip mounting features. Perimeter clips can be engaged in each of the two or more perimeter clip mounting features, wherein each perimeter clip is configured to engage between the light reflector trim and a ceiling surface, thereby attaching the light reflector cone mounting apparatus to the light reflector trim.

Abstract: One example implementation of the disclosed technology is directed to a light reflector cone mounting apparatus that is configured to attach to a light reflector trim, and comprises an outer perimeter edge configured with two or more perimeter clip mounting features. Perimeter clips can be engaged in each of the two or more perimeter clip mounting features, wherein each perimeter clip is configured to engage between the light reflector trim and a ceiling surface, thereby attaching the light reflector cone mounting apparatus to the light reflector trim.

Abstract: This backlight device 12 of the present invention includes: a cold cathode fluorescent tube; a chassis 14 that houses at least the cold cathode fluorescent tube on a front surface 14a1 side of a bottom plate 14a of the chassis; and a circuit substrate 32 having a front surface 32a on which electronic components 38a and 38b are disposed, the front surface 32a facing a rear surface 14a2 of the bottom plate 14a of the chassis 14. The heat generated from the electronic components 38a and 38b circulates towards the chassis 14 with ease, and therefore the heat generated from the electronic components 38a and 38b on the circuit substrate 32 can be effectively dissipated by the bottom plate 14a of the chassis 14.

Abstract: The present invention can further increase the efficiency of light extraction from the light exit surface of a light-emitting device. A cell (10) for a light-emitting device includes: a first main wall (10a) and a second main wall (10b) which are disposed facing each other with a distance therebetween; and a sidewall (10c). The sidewall (10c) connects the first main wall (10a) and the second main wall (10b). The sidewall (10c) defines, together with the first and second main walls (10a, 10b), an internal space (10A) into which a luminescent substance is to be encapsulated. A portion of the sidewall (10c) located laterally of the internal space (10A) is white.

Abstract: A light panel is disclosed. The light panel comprises a circuit assembly, a plurality of light sources, a light reflective structure, and a diffuser layer. The light reflective structure has a plurality of concaves, which are continuously connected to form a plurality of ridges. Each of the concaves has an opening formed on the bottom surface thereof, and each of the light sources is disposed corresponding to each of the openings of the concaves. The diffuser layer is supported by the ridges of the light reflective structure. In some aspects of the present invention, the diffuser layer may have a sloping inner surface or is coated with patterned diffuser coatings on the top surface. Each light source can be added with a lens.

Abstract: The present invention provides a liquid crystal display device, backlight module and back plate component thereof. The backlight module includes optical member, and the back plate element includes first splicing element and second splicing element. First splicing element is disposed with first accommodation trench to accommodate first side of optical member. One end of second splicing element is coupled with one end of first splicing element, and second splicing element is disposed with second accommodation trench to accommodate second side of optical member. Before assembly, first splicing element and second splicing element can rotate around coupled end, and first splicing element can be rotated to inside of second accommodation trench or second splicing element can be rotated to inside of first accommodation trench. The back plate element of the present invention can be folded for transport before assembly to reduce transport cost.

Abstract: A backlight device according to an exemplary embodiment of the present invention includes, wherein a light guide plate including a convex portion and a recess portion, a lower cover including a lateral surface cover part positioned adjacent to the convex portion, the lower cover surrounding the light guide plate, and a fixing member positioned between the light guide plate and the lateral surface cover part of the lower cover, in which the lateral cover part includes an opening, and the fixing member includes a first hook surrounding the convex portion and a second hook protruding through the opening of the lateral surface cover part.

Abstract: A pendant fixture comprising a first body portion having a threaded stud formed thereon, wherein the threaded stud is configured to receive a spider fitting of a lampshade when the lampshade is installed on the pendant fixture. A second body portion having a first half defining a threaded bore therein and a second half defining a second bore therethrough is rotatably coupled to the first body portion by the threaded stud and bore. A power cord having a first end for mounting to a structure, and a second end that is received through the second body portion second bore provides power to the first body portion. A length of power cord adjacent to the power cord second end defines a flexible and adjustable C-shaped cord portion intermediate the first body portion and the second body portion.

Abstract: The present invention discloses a liquid crystal display device, a backlight module incorporated, and a backboard structure configuring the backlight module. The backlight module includes a chassis configured with a holder and a fastening unit. The holder includes a bottom board, a tap, and a first sidewall. A receiving slot is jointly defined by the bottom board, the first sidewall and the tab to receive and position an optical module. The fastening unit includes a coverlid and a second sidewall. A positioning slot is jointly defined by the coverlid, the second sidewall and the tab to receive and position a side of a liquid crystal display panel. The chassis can be used to readily replace a conventional frontal frame and a plastic frame so as to reduce the manufacturing cost.

Abstract: Projection module for a light unit of a vehicle having a reflector, a light source assigned to the reflector, a shutter connected to the reflector in a detachable manner, a lens holder holding a lens and being detachably connected to the shutter, and a carrier frame detachably connected to the reflector for the connection to a housing of the light unit, wherein the carrier frame is connected to the lens holder to form an integrally formed basic carrier part having, on a side facing the reflector, positioning means for the positioning of the shutter and screw fastening means for the screwable connection with a front edge of the reflector.

Abstract: The present invention discloses a display device which is configured with a liquid crystal display panel and a backlight module. The backlight module includes at least an optical film and a mainframe structure which includes a plastic frame and a backboard integrally with the plastic frame. The backboard includes an integral bottom to support the optical films of the backlight module, and a first sidewall. Wherein the plastic frame is integrally formed with a carrying portion.

Abstract: A luminaire including a housing with a service compartment that is accessible through an opening in the housing, a light source, electrical components disposed in the service compartment for powering and operating the light source, and a door rotatably connected to the housing for rotation between a closed position where the door covers the opening and an open position where the door does not cover the opening. The rotatable connection includes an asymmetric pin extending from the door and a cavity formed in the housing having a hinge opening of width W. The asymmetric pin has a cross sectional thickness t and a cross sectional height h. Width W is less than height h and greater than thickness t, such that the pin is removable through the hinge opening when the door is in a removal position where the pin thickness t is aligned to the hinge opening width W.

Abstract: Certain embodiments of the invention may include system apparatus for providing a light diffusion and condensing fixture. According to an example embodiment, a light fixture is configured for illuminating subjects and it includes an enclosure cavity. The enclosure defines a cavity with an opening and one or more reflective inner surfaces. The light fixture also includes a frame structure defining an optical aperture and the frame structure is disposed proximate to the opening. The light fixture also includes two or more film tensioners associated with the frame structure. The light fixture also includes at least one light source positioned between the one or more reflective surface and a plane defined by the optical aperture. The light fixture further includes at least one optical film comprising at least one lenticular lens surface and the at least one optical film is suspended substantially parallel to the optical aperture by the two or more tensioners.

Abstract: A marking device includes a frame which supports a reflector member therein for being supported on a stake to be penetrated into the ground, for example for marking driveways. The frame is operable between open and closed positions to readily release the reflector member therefrom. Several frames can be stacked on a common stake by modular interconnection between adjacent frames in which some frame may support reflectors and other frames are suitable for retaining a cable extending therethrough. In this instance when a plurality of marking devices are penetrated into the ground at spaced positions in a row, a common cable, for example an electrical extension cord or a string of lights can be threaded through empty frames in the row to be supported spaced above the ground.

Abstract: A frame, a light source device and a display device that are capable of preventing a wrinkle or distortion from occurring in optical members. The frame includes a first holding face (611) opposed to a border portion on one face in a thickness direction of a first optical member (701?, 701?) having a plate shape that includes a female engagement portion (7011?, 7011?) disposed on its border portion, a male engagement portion (62?, 62?, 62?, 62?) having a convex shape that is arranged to be engaged with the female engagement portion (7011?, 7011?), and a second holding face (612a, 612b, 612c, 612d) opposed to an end face in a plane direction of a second optical member (702) having a sheet shape or a film shape that is smaller than the first optical member.

Abstract: A fixture for loading light guide plates, includes a tray and a plurality of sliding members for supporting the light guide plates. The tray includes a housing and a plurality of supporting members received in the housing. Gaps defined between two adjacent supporting members cooperatively form a plurality of guide channels, and the sliding members are slidably assembled in the tray along the guide channels.

Abstract: A cable receiving apparatus include a hollow base defining a through hole, a hollow conduit including a threaded end. The threaded end passes through the through hole and engages a nut to connect the hollow conduit to the hollow base. The threaded end defines a first slot for a cable running through the hollow conduit to enter the hollow base. In this way, during the assembly process, operators can assemble the cable first, then use a socket wrench to screw the nut directly.

Abstract: This invention relates to a new apparatus devised to deliver a multi-purpose reflective umbrella and lighting enhancement device for the purposes of providing illumination during still, motion, and video photography (hereinafter known as “multi-purpose umbrella apparatus”). More specifically, this invention provides the ability to have a single device deliver both the reflective and light bounce properties normally found in multiple devices.

Abstract: The fabrication costs is suppressed to a lower level by simplifying fabrication steps, and a high-performance optical device, a fabrication method of this optical device and a projector including the optical device are provided. An optical device is an optical device in which an optical component is fixed to a base member via spacers by screws and the spacers are inserted in at least either of a first space defined between the optical component and the base member and a second space defined between the base member and head portions of the screws, and a total thickness of the spacers is made constant.

Abstract: A light unit includes a bottom cover, a light source unit, an optical sheet unit on the bottom cover, and a reflective support member. The reflective support member includes a reflection plate for reflecting light and a guide pin for supporting the optical sheet unit in the bottom cover.

Abstract: A lighting fixture generally includes a mounting plate, a ceiling bracket, a reflector that houses a light source, and a bezel assembly. The ceiling bracket is supported on the ceiling by the mounting plate via the use of retainer brackets. The bezel assembly in turn is supported on the ceiling by the ceiling bracket. The bezel assembly includes a bezel housing and at least one tamper-resistant lens mounted in the housing.

Abstract: A light fixture and method for producing downward-propagating illumination are disclosed. A downward-facing panel may produce diffuse light. The panel may be generally flat and may have an indentation, where the indentation may have a lining that also produces diffuse light. The panel and the lining may have essentially the same luminance, so that the indentation may be less visible for orientations other than directly below the indentation. The fixture may have a downlight recessed into the indentation, which may produce a directional beam that emerges downward from within the indentation. The directional beam may have a brightness controllable separately from the diffuse light, such as a dedicated dimmer switch. The indentation may be at the center of the panel. The panel may be incorporated into a ceiling tile, and may be bundled as part of a kit that can also include ceiling tiles with panels that don't have a downlight.

Abstract: Certain embodiments may include system apparatus for providing optical film lens assemblies, light fixtures, and film tensioning frame. According to an example embodiment, a lens assembly is configured for modifying light from a light source associated with a light fixture enclosure, wherein the lens assembly is characterized by one or more optical films that are characterized by at least one or more lenticular surfaces. The lens assembly is further characterized by a curved plane. According to an example embodiment, a film-tensioning frame is characterized by a frame with four corners, wherein one or more film sheets are attached to the top or bottom of the frame at least at the four corners of the frame, and wherein the one or more film sheets are tensioned on the frame by elastic potential energy imparted into the frame before attachment of the one or more film sheets.

Abstract: The present invention discloses a conveniently demountable assembled lamp. It is mainly composed of stand columns and clapboards, and multiple clapboards divide the stand columns into up and down multiple layers.

Abstract: A lighting system utilizing light-emitting diodes (LEDs) and methods for configuring lanterns thereof are disclosed. The lantern includes a roof or canopy that includes fans that span directly between the electronics and LEDs for improved heat dissipation, the fans preferably formed integral with the canopy. The LEDs are mounted on easily mounted and removed modular printed circuit boards, in at least two different sizes and numbers of LEDs, and optical lenses of at least two different lighting patterns are provided, so that the lantern may be assembled or retrofit according to a desired application including candlepower and lighting pattern for cast light. The optical lenses are individually provided, utilize refraction to diminish reflection, and, in one form, incorporate an integral reflector to assist in defining a lighting pattern. In some forms, a securement may be provided for individual securement of lenses with the PCB.

Abstract: An electronic book includes a shell and an illumination device. The shell defines a housing. The illumination device is received in the housing, and includes a support arm rotatablely connected to the shell, at least one light source fixed on the support arm, a opening mechanism movably connected to the support arm and opens or folds the support arm, and a light cover mounted on the opening mechanism. The light cover follows the opening mechanism to unfold or fold.

Abstract: An LED module comprises an LED chip mounted on a substrate, a lens, and a metal holder mechanically holding the lens and being soldered on the substrate. The holder can be designed such that it holds the lens such that there is an air gap between the light exit surface of the LED chip and the bottom face of the lens.

Abstract: A lighting device is disclosed herein. The lighting device includes an optic holder designed to hold optic elements over a light emitting diode (LED). The optic holders design ensures that the LEDs dome is not damaged during the assembly of the lighting device. Open covers and closed covers are provided in order to allow or block light from the LEDs to come out of the lighting device or to block empty LED locations within the lighting device in order to provide an esthetic looking facade to the lighting device.

Abstract: A light fixture mounting post includes an upper threaded portion for attaching the post to a light shade and a lower portion having a multiplicity of sequential taper threaded segments for attaching light fixtures to the post. The upper threaded portion has left handed threads, and an O-ring and a shaped rubber washer residing between a post nut and the shade. A post flange limits the insertion depth of the upper threaded portion through the shade. The taper threaded segments include right handed pipe threads for tightly engaging the light fixtures and reduced thickness spaces separating the taper threaded segments allowing easy shortening of the lower portion. An unthreaded shoulder adjacent to one of the reduced thickness spaces lengthens the separation of the taper threaded segments below the unthreaded shoulder from the taper threaded segments above the unthreaded shoulder which facilitates the attachment of known light fixtures.

Abstract: A lamp holding apparatus for mounting a lamp to a lamp mounting member includes a mounting plate provided with a locking portion which protrudes to a base side, inserted into a mounting hole provided at the base and is lockable to a peripheral edge of a back side thereof. The mounting plate is provided with a pin which protrudes to an opposite side from the base side and is capable of being gripped by an operator at a time of being attached to and detached from the base. The locking portion is disposed at a position corresponding to a back side of the pin. As a result, when the locking portion is inserted into the mounting hole while gripping the pin, both the locking portion and the mounting hole are easily positioned. Thus, at a time of insertion, bending forces are reduced.