Abstract: A back light unit for a liquid crystal display device for improving uniformity of the light and dispensing with optical sheets. The back light unit includes a light source having a holographic pattern formed on a surface thereof opposite the display device which is to display a picture, and a reflective plate under the light source.

Abstract: A display device includes a plurality of cold cathode tubes that define linear light sources and are arranged in an aligned state in a backlight device. A direction that is perpendicular or substantially perpendicular to a surface S along the direction of alignment of the cold cathode tubes is set as the illumination direction. The cold cathode tubes are supported in two kinds of postures whose axes intersect with each other. A first inclined cold cathode tube and a second inclined cold cathode tube are arranged in postures that incline the axis of each relative to the direction of illumination. The overall distribution of light intensity can be expanded by the amount of the relative inclination angles of the first inclined cold cathode tube and the second inclined cold cathode tube.

Abstract: In a liquid crystal TV, there is provided a direct back light for increasing brightness in the vicinity of the center of a screen. Plural fluorescent tubes are used for backlight, and the respective two fluorescent tubes are paired and driven. The arrangement intervals of the respective pairs are made smallest in the vicinity of the center of the screen to increase the brightness in the vicinity of the center of the screen. The use of the paired fluorescent tubes is to alleviate a variation of the brightness in each of the fluorescent tubes.

Abstract: It is a lighting apparatus 10 that has a light emitting element 16, a light emitting element housing 15 having a concave portion 28 that accommodates the light emitting element 16, and an optically transparent member 18 that airproofs a space B formed by the concave portion 28 and transmits light emitted from the light emitting element 16. The concave portion 28 is shaped to become wider toward the optically transparent member 18 from the bottom surface 28A of the concave portion 28. The lighting apparatus 10 is provided with a light shielding member 12 for shielding a part of light emitted from the light emitting element 16 is provided on the optically transparent member 18.

Abstract: A light fixture includes a raceway, a lampholder, and a power pack. The raceway includes an aperture and a locking aperture. The lampholder is electrically connected to a lampholder connector. The power pack includes a power pack cover and a ballast. The power pack cover includes a latching end. The ballast includes a power input connector adapted to electrically connect to a power cord and a ballast output connector adapted to electrically connect to the lampholder connector. The latching end includes a flange adapted to mate with the aperture of the raceway and a locking protrusion adapted to mate with the locking aperture of the raceway such that the power pack is detachably mountable to the raceway.

Abstract: A light emitting module of a power supply includes a light guide plate disposed on a surface of a casing. A light emitting source such as a light emitting diode or a cathode fluorescent lamp is disposed surrounding the light guide plate. The light emitting source is electrically connected to a power supply module of the power supply. In addition, a decorating sheet is disposed at front of the light guide plate, and is provided with a light transmissive part in form of text or pattern. After being powered on, the power supply drives the light emitting source to emit light, and the light brightens the light guide plate via reflection, and emits from light transmissive part in form of text or pattern, so as to improve the decorative effect of the power supply.

Abstract: Disclosed herein is an adapter device for enabling the use of a compact fluorescent lamp in a lighting apparatus having a socket for an incandescent lamp. The adapter device includes a fastening structure, a cap, green and red Light Emitting Diodes (LEDs), and a Direct Current (DC) power supply. The fastening structure fastens the compact fluorescent lamp. The cap supplies Alternating Current (AC) power to the fastening structure. The green LEDs emit light in a wavelength range of 498-530 nm, and the red LEDs emit light in a wavelength range of 620-700 nm. The LEDs are installed around the compact fluorescent lamp. The Direct Current (DC) power supply supplies DC power to the green LEDs and the red LEDs.

Abstract: The present invention relates to an illumination device (20) comprising a light source (4). and at least one light transmissive film (2) arranged above said light source (4) so that at least part of the light emerging from the light source (4) is transmitted through said film (2), wherein said film (2) has a first major surface facing the light source (4) and a second major surface arranged opposite to said first surface, said light-transmissive film (2) being diffusive for transmitted light incident from the light source (4) on the first major surface and retroreflective for light incident on said second major surface.

Abstract: Retrofitting lighting fixtures (e.g., HID based lighting fixtures) using a pin mounted PL style fluorescent based energy efficient light assembly and methods of installing retrofitting lighting fixtures are disclosed.

Abstract: A lamp socket with decreased number of components is presented. The lamp socket includes a socket housing and a power supply member. The socket housing has a connecting hole. The power supply member includes a first lamp connecting terminal and a second lamp connecting terminal. The first lamp connecting terminal is inserted into the connecting hole and includes a first fixing portion that extends through the connecting hole and a first guide portion that extends from an end portion of the first fixing portion toward a first inner wall of the connecting hole. The second lamp connecting terminal is inserted into the connecting hole and includes a second fixing portion that extends through the connecting hole and a second guide portion that extends from an end portion of the second fixing portion toward a second inner wall of the connecting hole.

Abstract: A compact reflector fluorescent lamp unit includes a lamp cap, a lamp tube, an electronic ballast assembly, a circuit board, a housing, an intermediate plate, a reflection cup, and a transparent plate. The intermediate plate and the housing, the intermediate plate and the circuit board, and the intermediate plate and the reflection cup are tightly assembled together. The reflection cup is connected to a lower surface of the intermediate plate and arranged independently underneath the housing, and has an internal surface having a high degree of fineness, and an external surface having a high degree of roughness by frosted finishing, thereby allowing the radiation heat generated through the body of the reflection cup to be dissipated by the external surface.

Abstract: A lighting fixture retrofit comprised of a reflector, light bulb receptacles, receptacle covers and a device for attachment to pre existing light fixtures.

Abstract: A backlight unit for a liquid crystal device are disclosed for improving the brightness of the liquid crystal display. The backlight unit includes a plurality of lamps, a prism reflector, and a plurality of lamp guides. The prism reflector forms a plurality of prism peaks for positioning the plurality of lamps. The plurality of lamp guides fix the plurality of lamps at a predetermined distance apart from each other.

Abstract: A lighting device includes a light source, at least one seal block, at least one wavelength conversion material and a concentration adjusting unit. The light source emits light of a first wavelength. The wavelength conversion material is filled in the seal block. The concentration adjusting unit is disposed on the seal block for controlling concentration distribution of the wavelength conversion material in the seal block. The light emitted by the light source is absorbed by the wavelength conversion material and converted into light of second wavelength different from the first wavelength.

Abstract: A compact fluorescent lamp package is devised to have the same appearance and dimensions as a conventional incandescent light bulb. The compact fluorescent lamp package includes a base, a fluorescent lamp, a ballast circuit contained entirely in the base, and a diffuser cover.

Abstract: It is an object to provide a compact fluorescent lamp having a diffusion film applied to the inner surface of the outer tube globe, in which the ultraviolet light transmissivity is lower than or equal to 25% and the visible light transmissivity is greater than or equal to 95% without increasing the skin failure rate of the film. A compact fluorescent lamp according to the present invention relates to a compact fluorescent lamp in which a light emitting tube is accommodated in an outer tube globe; wherein a diffusion film for diffusing a visible light radiated from the light emitting tube and absorbing an ultraviolet light radiated from the light emitting tube is formed on an inner surface of the outer tube globe; and the diffusion film consists of TiO2 and SiO2, and an average particle diameter of SiO2 is 1 to 10 ?m.

Abstract: Disclosed is an ultra-thin light guidance device, which is realized through integrating a micro prism set into a light guidance module, and achieving filtering the incident lights by means of a micro grating in said micro prism set, thus only part of the effective incident lights pass through said micro prism set, while the rest of incident lights are reflected back to a bottom light guidance layer and a bottom light reflection plate, so that lights are reflected back and enters into said micro prism set again. As such, in less than 10 mm thickness of the ultra-thin light guidance device, a dot or a line light source is converted to form an evenly distributed and highly efficient surface light source by making use of said micro prism set.

Abstract: An exemplary external electrode fluorescent lamp includes a tube filled with a discharge gas, and a first external electrode on an outer surface of the tube, the first external electrode having a line-like shape. Thus, the exemplary external electrode fluorescent lamp has a reduced non-fluorescent region and an enlarged fluorescent region.

Abstract: A lighting device having a built-in driver circuitry is provided. The object of the present invention is to provide a lighting device having a built-in driver circuitry for driving the lighting in order to be installed in existing lighting fixtures and for driving the lighting. The lighting device comprises at least one fluorescent lamp and a built-in driver circuitry.

Abstract: A reduced emissions work light that includes a bulb having an elongated bulb tube, a handle adjacent the bulb and adapted for being gripped by a user to manipulate the work light, an emissions containment housing positioned adjacent the bulb tube, and an integrated ballast and filter assembly. The integrated ballast and filter assembly is located within the housing and operatively connected to the bulb for providing voltage to the bulb and reducing emissions generated by the work light.

Abstract: The invention provides a new PAR 38 lamp/reflector unit comprising a halogen lamp of suitable power, i.e. 100 watts/120 volts, coated with infrared film to reflect infrared energy produced by the halogen lamp back to the filament, making it more efficient; that meets and preferably exceeds the minimum EPACT efficacy standards, that exhibits a median life of at least about 3000 hours, while giving light output greater than 90% from the original value at about 1750 hours. Unit comprises a double-ended electric lamp (10) arranged in a reflector body (1) in a manner that first end portion (21) is at least partly situated in the neck-shaped portion (5), cavity (13) is situated within reflecting portion (2), the electric light source (16) is predominantly situated on the optical axis (4), a ceramic insert (42), beneath mounting ring (40) through which the seal of first end portion (21) is passed, is effective to dissipate heat from first end portion (21) during operation of the lamp.

Abstract: An arrangement for emitting mixed light (5) comprising primary and secondary radiation (51, 52, 53) in a mean direction of emission (5), comprising at least one first electroluminescent light-source (21) for emitting first primary radiation (51) having a maximum intensity at a first wavelength, at least one second electroluminescent light-source (22) for emitting second primary radiation (52) having a maximum intensity at a second wavelength greater than the first wavelength, and a light-converting element (3) for absorbing at least one of the primary radiations (52, 53) and re-emitting the secondary radiation (53), which light-converting element (3) is so arranged that the entire proportion of primary radiation (51, 52) in the mixed light passes through the light-converting element (3), and that the light-converting element (3) comprises a ceramic light-converting material whose microstructure is selected to be such that the color point of the mixed light (5) comprising primary and second radiation is substa

Abstract: A backlight assembly includes a receiving container, lamps, a diffusion plate and a lamp-fixing member. The receiving container includes a bottom plate and sidewalls together providing a receiving space. The lamps are arranged substantially parallel to each other on the bottom plate. The diffusion plate is disposed over the lamps. The lamp-fixing member includes a body portion extending substantially perpendicular to the lamps, a buffer protruding upwardly from the body portion, a diffusion plate supporting portion protruding from the buffer to support the diffusion plate and a lamp-fixing portion formed at the body portion to fix the lamps. Therefore, the buffer having elasticity is formed at an area at which the diffusion plate supporting portion is formed, so that rubbing between the diffusion plate and the diffusion plate supporting portion may be reduced.

Abstract: A backlight assembly includes: an EEFL (external electrode fluorescent lamp) including an external electrode through which a driving voltage is applied, and a lamp for emitting light; a side support for supporting the EEFL; and a protective cap disposed above a portion of the external electrode, the portion of the external electrode being exposed out of the side support.

Abstract: A lamp assembly includes a light module and a stem. The light module includes a reflector, a first fixing plate, a second fixing plated mounted on the first fixing plate and having a plurality of fixing pieces pivotally connected thereon for fixing the reflector between the first fixing plate and the second fixing plate, and a lamp. By rotating the fixing pieces, the reflector is easy to replace. The stem includes a plurality of connecting tubes and connecting assemblies. Each connecting assembly has a male joint with an L-shape projecting and a female joint with an L-shape slot. The male joint is fitted into the connecting tube, and the female joint is fitted into another connecting tube. By engaging the L-shape projection with the L-shape slot, the two connecting tubes can be connected without twisting a wire inside the stem.

Abstract: A compact fluorescent lamp luminaire with chambered structure to improve ventilation for controlling the temperature of ballasts and lamps in the luminaire. In such compact fluorescent lamp luminaires a plurality of compact fluorescent lamps is arranged inside a dome structure. The compact fluorescent lamps are powered through ballasts. Heat generated by the lamps is exhausted out of the luminaire without air heated by the lamps from passing through a chamber housing ballasts of the luminaire.

Abstract: A direct type backlight assembly is disclosed, in which a lamp guide is formed in a shape which can absorb an external force to prevent distortion from occurring from contact between the lamp guide and a diffusion plate, and to prevent the diffusion plate from being damaged. The direct type backlight assembly includes a light-emission lamp provided under an LCD panel; a reflecting plate provided on the bottom side of the light-emission lamp; a diffusion plate provided above the light-emission lamp; optical sheets provided on the diffusion plate; and a lamp guide provided on and connected with the reflecting plate, wherein the lamp guide has a supporter having a compression structure, the height thereof varying based on a load applied thereto.

Abstract: A lighted chair rail comprises a frame secured to a wall and a horizontal facia mounted on the frame and positioned in a spaced apart relationship to the wall. Light bulbs supported on the frame direct light through a lens mounted on the horizontal facia onto the wall. The horizontal facia may also include decorative items.

Abstract: A lighting apparatus (10) comprises a light engine (12) producing ultra violet radiation. An enclosure (14) surrounds a radiation generating area of the light engine (12) to encompass the radiation. At least one wall (28) of the enclosure (14) is substantially reflective of the ultraviolet radiation. The enclosure (14) includes a replaceable top portion (30) which includes a phosphor portion (32). The phosphor portion (32) is spaced from the radiation generating area of the light engine (12) by a height of the enclosure (14).

Abstract: A fluorescent lamp tube catcher formed of bent wire can be detachably engaged with a light fixture, with the central portion of the lamp tube catcher positioned below fluorescent tubes in the light fixture during use. In the event that a fluorescent lamp tube inadvertently becomes loose in the light fixture, the fluorescent lamp tube catcher can stop the loose fluorescent lamp tube from falling. The fluorescent lamp tube catcher can be loosely retained on the light fixture, for example while replacing a fluorescent lamp tube that has failed.

Abstract: A source of illumination in the form of a base member including hollow members and substantially planar longitudinally extending members. The hollow member is defined by a transparent envelope having an exterior surface and interior surface and photo luminescent pigment applied to a surface thereof or included therein during fabrication. The photo luminescent pigment receives activating energy from ambient sources for its activation.

Abstract: A lamp fixture includes a housing with a high voltage end lamp socket therein. A fluorescent lamp extends from the socket. A heater is at the fluorescent lamp at the high voltage end lamp socket and is adjacent to. The heater includes a plate radiator which is attached to the outside of the light reflector and a thermostat. The thermostat is hooked to the line voltage to the fixture. A substantially clear heat reflector extends partially around the fluorescent lamp and, with the heater, substantially encloses circumferentially the fluorescent lamp at the high voltage end lamp socket. The reflector is pivotally mounted relative to the fluorescent lamp to allow retraction of the heat reflector for placement of the fluorescent lamp. A light reflector extends partially around the fluorescent lamp.

Abstract: An object is to provide a showcase capable of realizing a stable attaching operation of sockets and a replacement operation of an illuminative lamp, the showcase provided with the illuminative lamp having terminals at opposite end portions, respectively, includes a pair of sockets which connect the illuminative lamp to a power source of a main body, each socket includes a housing having an opening in at least a surface on an illuminative lamp side, and a lid member to block the opening of the housing in a state in which the terminals are allowed to enter the housing, the housing has a connecting portion to store a power supply portion internally connected to the terminal, and a holding protrusion moved in a direction disengaging from the illuminative lamp to engage with a lower surface of a shelf, and the lid member is fixed to the lower surface of the shelf by a screw in a state in which the lid member blocks the opening of the housing which holding protrusion is engaged with the lower surface of the shelf.

Abstract: A connecting unit for accommodating a wick of a cold cathode fluorescent lamp is disclosed. The connecting unit includes a substrate having a conductive layer disposed thereon, a v-shaped opening, and a c-shaped opening. The width of the front end of the v-shaped opening is greater than the diameter of the wick, and the width of the back end of the v-shaped opening is less than the diameter of the c-shaped opening and less than the diameter of the wick. The conductive layer is disposed on a surface of the c-shaped opening and the v-shaped opening.

Abstract: A fluorescent light fixture is disclosed which is modular in construction and capable of accommodating different types and numbers of light tubes. The light fixture includes a first and a second socket bridge which include a plurality of socket mounting holes in a first and a second row to accommodate different lengths of light tubes as well as varying numbers and locational positions of the light tubes in the fixture.

Abstract: The present invention discloses a holder structure for retaining at least one lamp and associated wire within a backlight module, which includes a main body, a reflector, and a first groove formed on an external sidewall of the main body. The main body has at least one first orienting slot for accommodating the lamp therein, and a second orienting slot for accommodating a high-voltage power wire therein. Said first groove communicates with the first and second orienting slots to divide a lateral slot wall of each of the first and second orienting slots into two opposite flexible walls which can provide flexibility required for assembly of the lamp and associated wire. Each two opposite flexible walls have two protrusions respectively formed on the outsides thereof for hooking with corresponding openings defined on the reflector, whereby the lamp and power wires are able to be firmly retained in the associated slots, respectively.

Abstract: A compact self-ballasted fluorescent lamp includes a double-spiral arc tube and a holder. The holder has a tubular protrusion which is surrounded by the arc tube, at a center of its main surface. A closed end of the protrusion and a part of the arc tube facing the end of the protrusion are bonded together using a silicone adhesive. A part of a vertical printed circuit board that is used as a lighting circuit is housed within the protrusion.

Abstract: The present invention relates to a round garage light assembly having a housing with a lamp mounting surface wherein a main HID lamp and an auxiliary circular high output fluorescent lamp are mounted. The auxiliary lamp is mounted centrally within the assembly and above the photometric center of the high intensity discharge lamp so that the light pattern emitted from the auxiliary lamp is symmetrical and the auxiliary lamp does not shadow the light emitted from the HID lamp.

Abstract: Optical devices for guiding illumination are provided each having a body of optical material with staircase or acutely angled ramp structures on its top surface for distributing light inputted from one end of the device from the front exit faces of such structures along certain angular orientations, while at least a substantial portion of the light is totally internally reflected within the body until distributed from such front exit faces. Optical devices are also provided each have a body of optical material having a bottom surface with acutely angled ramp structures and falling structures which alternate with each other, such that light is totally internally reflected within the device until reflected by such ramp structures along the bottom surface to exit the top surface of the device or transmitted through the ramp structures to an adjacent falling structure back into the device.

Abstract: A lamp assembly, light supplying module and LCD device using the same are provided. The LCD device includes the light-supplying module for generating a first light, a light distribution-changing module for receiving the first light and changing the optical characteristics of the first light to output a second light, and a display module for receiving the second light having improved optical characteristics, the light distribution-changing module being coupled to the light-supplying module by means of a first engaging member, the display module being coupled in the light distribution-changing module by means of a second engaging member, and the display module, light distribution-changing module and light-supplying module being coupled to each other by means of a third engaging member. Therefore, each component of the LCD device having above structure is easily separated, replaced and easily repaired.

Abstract: This invention provides a lighting fixture for use in low-ceiling applications and/or outdoor environments, such as parking garages that allows for the use of more-efficient lighting sources, such as fluorescent lamps, with more-even distribution of light along the sides of the fixture so that the surrounding space is fully and efficiently illuminated. Two elongated light sources are mounted upon opposing sides, and surrounded by a pair of respective side reflectors. The side reflectors direct the light of the two light sources in a generally sideward and somewhat-downward direction. The lower portion of the side reflectors collectively define an overall wide angle and each lower portion completely overlies a respective one of the side light sources mounted above. A third light source can be located centrally, beneath the lower portions to provide downward light, which is further reflected generally downwardly by the wide angled lower portions.

Abstract: Disclosed is a light fixture device comprising an elongate housing, the housing having a pair of opposed edge faces, a first central longitudinal region and a pair of second longitudinal regions, the first longitudinal region being centrally located therebetween, the first and second longitudinal regions extending between the two edge faces, the central first longitudinal region including at least one light emitting portion, one of the second longitudinal regions including at least one sensor portion, the at least one sensor portion being positioned at a location which is optimally selected relative to a work station in a room space below the light fixture device and/or relative to one or more ambient light sources near the light fixture device, the location being one of a plurality of possible locations along a substantially continuous location line extending between the two edge faces.

Abstract: A backlight assembly and liquid crystal display device having the same is provided. The backlight assembly includes a plurality of U-type external electrode fluorescent lamps (EEFLs) connected to common electrode parts to reduce the occurrence of short circuits. The a backlight assembly includes a first common electrode part, a second common electrode part arranged parallel to the first common electrode with a predetermined distance in-between, and a plurality of external electrode fluorescent lamps, each having a bent shape and electrically connected to the first and second common electrode parts and a liquid crystal display panel displaying an image according to transmissivity of light supplied from the backlight assembly.

Abstract: A modular light fixture specially adapted for flexible, cost-effective, and safe retrofit and maintenance, particularly in large commercial lighting applications. The light fixture preferably includes a frame with one or more lampholders and a detachable power pack with a ballast, with modular connectors used to provide an electrical connection between the detachable power pack and the lampholders. Other aspects of the invention relate to methods of redeploying lighting, and a modular light fixture kit, for example to be used in lighting retrofit and maintenance.

Abstract: A luminaire for mounting on a vertical surface is provided, the luminaire including a housing having an aperture, a lamp disposed within the aperture and configured to emit light through the aperture to the vertical surface and to an associated worksurface, and a lamp distribution modifier disposed within the aperture proximate to the lamp, where the lamp distribution modifier is configured to intercept light rays emitted by the lamp in a direction toward an upper portion of the vertical surface.

Abstract: An apparatus including a mirror mounted to a frame which attaches to a peripheral back lighting assembly that supports the mirror assembly.

Abstract: In each of stages of a nonlinear filter, a successively determined target signal and plural adjacent signals are weighted-averaged with plural sets of different coefficients to calculate plural smoothed signals. Differences in level between the target signal and each of adjacent signals and signals arranged within the predetermined interval from the each of the adjacent signals are compared with a threshold value. According to the comparison, flags are set to the adjacent signal, to an adjacent signal arranged at a symmetrical position, and to adjacent signals arranged beyond the adjacent signals. The intervals of adjacent signals are different among stages. The target signal in level is used instead of the adjacent signals with smoothed signals, which are selected according to the flags. Weighting coefficients may be calculated on the basis of the comparison result, and smoothed signals may be synthesized according to the weighting coefficients.

Abstract: A tracklight system includes an elongated an elongated metallic track in the shape of an inverted U having a generally horizontal base with parallel, vertical depending sides, each side terminating at a distal end in a common plane with an outward facing support flange for a ceiling panel. The inward-facing side of at least one side supports an elongated 3-conductor electrical receptacle having polarized longitudinal slots holding electrical conductors therein. A number of lamp assemblies are positionable in longitudinal slots each with flexible wires terminating in a plug matching the polarized electrical receptacle. A thermal barrier in the ceiling plane prevents lamp heat from radiating in the downward direction into a room.

Abstract: A support arrangement is combined with a reflector sheet and fluorescent light tube to hold the reflector sheet above the tube in a curved trough shape maximum concentration of light at a desired distance from the light tube by varying the curvature in which the reflector sheet is held. An annular piece is detachable to form a larger opening to be fit to a larger tube, while an auxiliary strip can be mounted across the opening to create an opening for a smaller sized opening. The reflector sheet can be held in a reverse bent along its center to avoid light by the tube itself. Two clips can be mounted together at an adjustable distance from each other to allow mounting of a double sized reflector sheet over two side by side light tubes.

Abstract: The fluorescent lamp retaining member retains two lamp units each including two fluorescent lamps that have electrodes at both ends thereof, a bundling member that bundles a wire from each of electrodes at one end of the two fluorescent lamps, and a conductive member that connects electrodes at the other end of the two fluorescent lamps through a conductive path. The fluorescent lamp retaining member holds the vicinity of the central of each of the fluorescent lamps so arranged in parallel as to set the bundling members in the same direction. The fluorescent lamp retaining member allows one retained lamp unit to rotate relative to the other retained lamp unit adjacent thereto, and so retains the lamp units adjacent to each other that the bundling members and conductive members are arranged alternately after one lamp unit has been rotated.