Abstract: High throughput UV curing systems for mass curing of a plurality of articles without compromising product quality. The systems comprise a plurality of UV banks, each bank comprising a plurality of fluorescent UV lamps, thereby creating a consistent blanket of UV energy. A plurality of coated articles are positioned between pairs of banks such that the UV exposure or dosage is evenly distributed for each article. The fluorescent UV lamps use proportionally lower energy per unit and generate less heat than standard UV lamps, while sufficiently curing the coating on each article. Throughput is increased compared to currently available systems because the systems are easier to maintain requiring less downtime, can cure significantly more articles per cycle, and reduce the number of rejected products.

Abstract: This disclosure relates to light engines for use in lighting fixtures, such as troffer-style lighting fixtures. Light engines according to the present disclosure have integrated features that eliminate the need for additional components such as a Printed Circuit Board (PCB), a heat sink, a cover portion, a lens and/or a reflective element. Devices according to this disclosure can comprise a rigid body, conductive elements arranged into electrical pathways and light sources such as light emitting diodes (LEDs). Devices according to this disclosure can further comprise integrated cover, lens and/or reflective element features. Methods for the manufacture of such devices are also disclosed.

Abstract: An LED lighting assembly includes a concave reflector, a supporter located in a central region of the concave reflector, and multiple LEDs mounted on the supporter. The supporter has a first face and a second face, and an angle is formed between the first face and the second face.

Abstract: A recessed lighting fixture which utilizes a fluorescent light source. The fluorescent lights are shrouded by a diffuser lens basket so that light from the fluorescent bulbs shining through the diffuser is dispersed to reduce glare and visibility of the source of light. It is an object of the present invention to provide a fluorescent recessed lighting fixture which has the illumination from the fluorescent bulbs shining through a diffuser. It is also an object of the present invention to provide a single driver or ballast within the body of the fixture where access can only be gained from below the fixture.

Abstract: An improved light emitting diode (LED) illuminating assembly is provided with a multiple sided LED lighting bar, also referred to as a multi-sided LED light bar, comprising a non-curvilinear LED luminary for enhanced LED lighting. The LED illuminating assembly can be used for overhead ceiling lighting, menu boards and other LED illuminating signs, as well as for other uses.

Abstract: An LED or fluorescent recessed lighting fixture having a pair of aligned LED boards or a pair of fluorescent bulbs each shielded by a diffuser. Each diffuser is retained by an angled wall and a portion of a V-shaped diffuser cover. The apparatus includes light emitted from a light source toward the location where the light is to illuminate the area. A reflector assembly is set in a straight line at an angle in the range of 45 degrees. A lens covers the light source and is retain by a portion of the reflector and a V-shaped basket.

Abstract: A light bar structure including a base, a flexible circuit board (FCB), a first circuit, a second circuit, and a first connector is provided. The base has first and second surfaces. The FCB is on the first surface. The first circuit on the FCB includes N+1 serial first conductive contact pads, N light-emitting elements, and a first conductive wire. N?1 and N is a positive integer. The second circuit on the FCB includes N+1 serial second conductive contact pads, and a second conductive wire. To form a closed loop, the first connector connects a first one of the first conductive contact pads and a first one of the second conductive contact pads and the second connector connects a (i+1)-th one of the first conductive contact pads and a (i+1)-th one of the second conductive contact pads. 1?i?N and i is a positive integer.

Abstract: A light emitting diode (LED) lamp includes a tube having a transparent first section and an opaque second section. An LED disposed inside of the tube. The second section is has an inner surface having a light diffusive surface so that the LED light is diffusively reflected. The LED is disposed so that a total amount of direct light from the LED to the first section is smaller than a total amount of indirect light that is incident on the first section as a result of being reflected by the second section (i.e., scattered or diffused light). The LED is disposed so that a light axis of the LED points toward the inner surface of the second section.

Abstract: An LED light fixture comprising a contoured light transmissive lens cover pivotally mounted between upper and lower end brackets so as to be movable between an open position and a closed position wherein in the closed position the upper and lower contoured edges of the lens cover mate flushly with the contoured surface of respective upper and lower end caps. A bank of LED carrying housing components are attached between the upper and lower mounting brackets so as to direct illumination toward the lens cover. Expansion brackets may be employed to facilitate addition of one or more additional banks of LED carrying housing components behind a lens cover of longer length to thereby created a sconce fixture of extended length.

Abstract: A rod-shaped retrofit lamp may have a mechanical sensing unit, and a current path has a plurality of electrically conductive sub-segments of which a first sub-segment is connected to the associated pin and of which a sub-segment is connected to the lamp's electronics unit, wherein the mechanical sensing unit is elastically pushed in counter to its projection direction from a released condition into an engaged condition and interacting with two current paths in such a way that the respective current path's first and second sub-segment will have been galvanically mutually coupled when the sensing unit is in the engaged condition so that the respective current path will have been closed and associated pin thereby electrically connected to the internal electronics unit.

Abstract: A conductive end cap for a linear lighting apparatus is disclosed. The first embodiment of the present invention comprises, among other things, an insulating cap for one end of the linear lighting apparatus, the cap including a first orifice extending from the exterior side of the cap to the interior side of the cap and a conducting shaft extending through the first orifice and protruding from the exterior side of the cap, such that the shaft may rotate about its central axis within the first orifice. The conductive end cap also includes a second orifice extending perpendicularly through a portion of the shaft for accepting a conductive line and a static conductive element protruding from the interior side of the cap so as to provide a conductive terminal for a lighting element located within the linear lighting apparatus.

Abstract: A lighting fixture comprising a housing, and a light engine mounted to the housing and having an LED array. The LED array comprises deep-blue LEDs having a perceived wavelength within a range of 450 to 465 nm, and a percentage of total luminous flux in a range of 1 to 7%; true-green LEDs having a perceived wavelength within a range of 523 to 527 nm, and a percentage of total luminous flux in a range of 53 to 70%; red-orange LEDs having a perceived wavelength within a range of 610 to 620 nm, and a percentage of total luminous flux in a range of 19 to 32%; and phosphor-based coolwhite LEDs having a percentage of total luminous flux in a range of 5 to 15%, wherein the light engine has a correlated color temperature (CCT) in a range of 4500 to 10000K.

Abstract: An LED underwater lamp comprises a housing (1) and an LED lamp body (2), wherein the housing (1) is fixed in a mounting hole of a mounting plate (20), an opening is provided at one end of the housing (1), the LED lamp body (2) is inserted through the opening and fastened within the housing (1), an inner water-proof sealing ring (3) is disposed between the LED lamp body (2) and the opening of the housing (1), an LED bulb (4) is disposed within the LED lamp body (1) situated at the opening of the housing (1), and a power line (5) extending to outside through the housing (1) is detachably connected to the other end of the LED lamp body (2).

Abstract: Apparatus and associated methods involve an assembly of multiple LED light engines in which a desired number of LED lamps are mounted to a plate that forms a wall of an enclosure. In an illustrative example, three LED light engines may be mounted to a plate that may be slidably installed as a wall of an extruded housing that contains electrical connections from an AC power inlet to each light engine. In various examples, the number and layout arrangement of the LED light engines may be custom selected for a particular application.

Abstract: A power-saving lighting apparatus including an upper housing, a bottom cover assembled with the upper housing, a lighting module and a positioning member is provided. The lighting module is disposed between the upper housing and the bottom cover, and the lighting module is mechanically supported by the bottom cover. The positioning member is disposed on the lighting module, wherein a relative position of the lighting module and the bottom cover is maintained by the positioning member.

Abstract: The LED tube for a lighting fixture has a transparent peripheral portion, internally disposed grooves for receiving an LED array board opposite the transparent portion and externally disposed longitudinally extending slots to slidably receive connectors for the mounting of the fixture. Multiple tubes can be grouped together in arrays of two or more without requiring different fixture enclosures.

Abstract: An asymmetric linear lighting fixture includes a linear housing having an opening, an internal component, and an asymmetric reflector. The reflector is removably snap-fitted to the housing and is positioned between the opening and the internal component. The housing includes a body, a first end cap coupled to one end of the body, and a second end cap coupled to an opposing end of the body. A lens and/or a louver are optionally snap-fitted to the housing and are used together or separately from one another within the fixture. Optionally, the body includes a track for positioning a mounting assembly at various locations along the track. The fixture optionally includes socket mounting brackets which allow for lamps of different lengths to be coupled within the housing. Additionally, a first asymmetric linear lighting fixture is continuously coupleable to a second asymmetric linear lighting fixture from a location that is external of the body.

Abstract: A light tube including a heat sink, a light transmissive cover disposed on the heat sink, and at least one light source module is provided. A containing space is formed between the heat sink and the light transmissive cover. The light source module includes a carrier, a plurality of first light-emitting devices, a plurality of second light-emitting devices, and a plurality of non-light-emitting passive devices. The carrier is disposed on the heat sink. The first light-emitting devices are arranged on the carrier along a first straight reference line to form a first line of light-emitting devices. The second emitting devices are arranged on the carrier along a second straight reference line to form a second line of light-emitting devices. The non-light-emitting passive devices are disposed on the carrier and between the first and second lines of light-emitting devices and electrically connected to the first and the second light-emitting devices.

Abstract: A fluorescent luminaire has a luminaire housing, a lens frame positioned within the luminaire housing, the lens frame having a first side frame member and a second side frame member connected to a first end frame member and a second end frame member, a flexible plastic lens having a length, wherein a distance between the first and second side frames is less than the length of the plastic lens and, wherein the lens curves from the flat orientation to a curved orientation when seated between the first and second side frames corresponding to curvature of the first and second end frames.

Abstract: An improved light emitting diode (LED) illuminating assembly is provided with a multiple sided LED lighting bar, also referred to as a multi-sided LED light bar, comprising a non-curvilinear LED luminary for enhanced LED lighting. The LED illuminating assembly can be used for overhead ceiling lighting, menu boards and other LED illuminating signs, as well as for other uses.

Abstract: A modular lighting fixture may include a housing having opposite ends, an endplate for fastening to one end of the housing, the endplate having a lens receiving face on a first side and an additional-structure-connecting face on a second side. The second side has an outer perimeter portion and a first peripheral surface, the first peripheral surface being inward of the outer perimeter portion. An additional structure is provided having a second peripheral surface with substantially similar contour as the first peripheral surface on the second side of the endplate. The additional structure is connected to the endplate with the second peripheral surface being proximate to the first peripheral surface of the second side of the endplate.

Abstract: Disclosed is a lighting device. The lighting device includes a plurality of lighting units including a housing, a light emitting module installed in the housing, and a coupling part having a fixing section coupled on the housing and a protrusion section horizontally protruding from an upper end of the fixing section; and a bracket having an insertion groove slidably coupled with the protrusion section of the coupling part to assemble the lighting units with each other.

Abstract: A multipurpose lighting device comprising a flashlight end, a lantern end including a barrel through which light may pass, and a module mounted between the flashlight end and lantern end. The module includes a first light source configured to direct light out the flashlight end, and a second light source configured to direct light out the lantern end. The second light source is disposed on an opposite end of the module from the first light source. The module further includes a power source configured to energize the first light source and second light source, wherein the second light source is oppositely disposed on the module from the first light source.

Abstract: An LED lamp includes a frame, a power module, an envelope, an LED module, two holders, and a waterproof connecter. The frame includes a tube having an electrical section and a reflector. The power module is received in the electrical section. The envelope is engaged with the reflector to cooperatively define an optical section. The LED module is received in the optical section and electrically connects with the power module. The holders are mounted at two ends of the frame to prevent external hydrosphere from entering the LED lamp. Each of the holders includes a first cover and a second cover. The first covers engage with opposite ends of the electrical section. The second covers engage with opposite ends of the optical section. The waterproof connecter is coupled to one of the first covers.

Abstract: A multipurpose lighting device comprises a module including a first light source for a flashlight function and a second light source for a lantern or omni-directional glow stick function. A button on the module is operative to selectively alternating between the first and second light sources. An elongate housing is coupled to the second light source so that the second light source illuminates along the length of the housing. Finally, a whistle portion is formed on one end of the elongate housing so that the multipurpose device includes flashlight, glow stick, and whistle functions.

Abstract: The extendible multifunction light comprises of several electronic functions which communicates with the use of speaker and microphone with each other based on the specific commands that maybe prompted by the user or by programming such response with the use of the control panel. Each of the functions process data which can be stored in the memory of the product which can be transferred into the user's personal computer. A user may transfer information from his or her computer to download into the product. The product may transform itself from a flare to a flashlight; to be extended for use for walking, hiking and skiing. The product has a camera for recording video and audio information, a GPS system for tracking the user, an MP3 player for downloading music, motion detector, LCD navigator screen, breath analyzer and fingerprint scanner.

Abstract: An LED lamp A1 includes an LED unit 1 in the shape of a straight tube with a plurality of LED modules 12 fixed therein, and also includes a pair of bases 2 that receive electric power from outside and are attached to the ends of the LED unit 1 spaced in the longitudinal direction of the LED unit. The LED unit 1 and the bases 2 are rotatable relative to each other about an axis extending in the longitudinal direction. With this arrangement, the direction of light emission can be changed, with the LED lamp attached to a general-use fluorescent lighting fixture.

Abstract: A linear light source (20), which emits light by causing light to propagate in a linear material (11) in which incoming light can be propagated, includes: a light emitting device (12), provided on a side of one end of the linear material (11), which emits light so that the light enters the one end of the linear material (11); and a light receiving device (21), provided on a side of the other end of the linear material (11), which detects the light which has propagated in the linear material (11). With the configuration, it is possible to provide: a linear light source in which an abnormal condition, such as breaking of a linear material, can be detected; and an electronic apparatus including the linear light source.

Abstract: An air disinfection device aimed at improving the efficiency and quality of air disinfection or sterilization may be achieved through an air disinfection device comprising a body housing a power supply and control unit, which, in turn, comprises an energy storage capacitor, a high-voltage constant current source, an ignition pulse generator, a ferrite-core pulse transformer, and a program control unit. The air disinfection device may also comprise an ultra-violet radiation source in the form of a pulsed gas-discharge lamp mounted on the body and enclosed in a tubular quartz casing. Given that the energy storage capacitor and the pulsed gas-discharge lamp may form a discharge circuit connected to the ignition pulse generator through the ferrite-core pulse transformer, the pulsed gas-discharge lamp may be placed in a bactericidal radiation translucent casing, resulting in convection air-cooling due to a natural draft inside the casing that disinfects and sterilizes surrounding air.

Abstract: A modular lighting system and method that can utilize a wide variety of members, connectors, power sources, light sources, and light source covers. The system can be implemented in a variety of different ways, with some embodiments involving fully interchangeable components. Some members can be rigid or substantially rigid to allow substantially rigid assembly structures. Light source covers can be removed and added to customize the individual impact of an individual light source as well as the aggregate display of the entire assembly.

Abstract: The invention provides systems and methods for providing illumination. A lighting unit may have a support structure, and one or more light emitting elements supported by a circuit board contacting the support structure. A first optical element and a second optical element may be provided. A remote luminescent material may be provided on one or more optical elements. Light emitting elements configured to excite the luminescent material such as highly efficient light emitting diodes may be directed towards the luminescent material. The support structure may be a heat dissipating element, which may conduct heat from a heat source to a surface of the support structure. The heat dissipating element may have a passageway permitting the formation of a convection path to dissipate heat from the support structure. Such lighting units may be used to replace conventional fluorescent light tubes or other lighting devices, or may be provided as standalone lighting units.

Abstract: A lamp according to the present invention includes: a line portion which blocks a part of light proceeding from a light emitting unit in a direction perpendicular to a tube axis direction; and a raised portion which blocks the light proceeding from the light emitting unit in the direction perpendicular to the tube axis direction that is not blocked by the line portion. The raised portion has an end portion having a linear shape in the tube axis direction, the end portion being an end portion of a section of the raised portion that blocks light.

Abstract: A light source module for a vehicle lamp, including an optical system that guides light emitted from the light source module in a certain irradiation direction and has an optical center, the light source module has a plurality of semiconductor light emitting elements disposed in a straight line and electrically connected to each other in series. One of the semiconductor light emitting elements that is positioned closest to the optical center of the optical system has a light emitting area that is smallest of the plurality of the semiconductor light emitting elements.

Abstract: An illuminating system includes a universal lamp holder. The universal lamp holder includes a switch unit, a starter, a ballast, a first socket and a second socket. The ballast is connected to the voltage-input terminal and the first socket. The starter is connected to the first socket and the switch unit. The second socket is connected to the switch unit and the voltage-output terminal, and the switch unit is configured for selectively connecting the second socket to the voltage-input terminal or connecting the second socket to the starter. When the second socket is switched to connect to the voltage-input terminal, the illuminating system is switched to an LED lamp mode, and when the second socket is switched to be connected to the starter, the illuminating system is switched to a fluorescent lamp mode.

Abstract: A backlight assembly includes a lamp unit, a covering member, a panel guiding member and a lamp supporting member. The lamp unit has a first electrode and a second electrode disposed at a first side of the lamp unit and a curved portion disposed at a second side of the lamp unit that is opposite to the first side. The covering member covers at least one of a first region corresponding to the first and second electrodes and a second region corresponding to the curved portion. The panel guiding member is configured to support a display panel that displays images using light generated by the lamp unit. The lamp supporting member is configured to retain the lamp unit. Therefore, a number of inverters may be reduced, thereby lowering cost and time of manufacturing the backlight assembly. Furthermore, reliability of the backlight assembly may be enhanced.

Abstract: An LED lighting device includes a lampshade, a plurality of LED light sources and a light guiding member. The light guiding member is arranged inside the lampshade, and includes a plurality of plates each having a connecting end, wherein the connecting ends of the plurality of plates are connected together. Each plate includes two surfaces, one or two of which includes a plurality of accentuated portions, and one of the plates defines a light incident surface opposing the LED light sources. After entering the light guiding member from the light incident surface, the light from the LED light sources is reflected between opposite surfaces of each plate of the light guiding member. Light reaching the accentuated portions is diffused and exits the light guiding member, to be finally transmitted outside through the lampshade.

Abstract: The invention discloses an LED daylight lamp tube, comprising a tube body and caps fixedly connected to two ends of the tube body, wherein the tube body comprises: an axial bar-shaped radiator, a radiating face of which is fan-shaped and a heat conducting face of which is provided with at least two axial bar-shaped slots forming included angle; an illuminant, which comprises PCB aluminum substrates corresponding in amount to the bar-shaped slots of the radiator, wherein the front face of each of the PCB aluminum substrates is equipped with a plurality of LED illuminants and the PCB aluminum substrates are clamped in the bar-shaped slots of the radiator; a bar-shaped heat conducting gasket, which is adhered to the back face of the PCB aluminum substrate in a fitting manner and clamped between the PCB aluminum substrate and a heat conducting face of the bar-shaped slot; and a circular arc lampshade, which is in clamped connection with two sides of the radiator and forms the cylindrical tube body with the radiat

Abstract: A light device is provided that includes a light source and electrical circuitry for supplying electrical power to the light source. The light device also includes a housing having first and second ends and a hollow interior defining a compartment for holding a power source. The housing comprises a woven fiber thermoset composite. The housing is made by applying woven fibers to a mandrel and impregnating the woven fibers with an epoxy and curing the epoxy impregnated woven fibers to form the thermoset composite housing. An electrical interconnect is provided within the housing having first and second resilient contacts for providing an electrical connection between the power source and the light source.

Abstract: An LED lamp tube with improved sealing and cooling performance includes a plastic tube shell, an LED lamp strip, a metal casing and two end caps. The plastic tube shell is elongate and includes a light condensing structure and a light reflection structure integrally formed by extrusion and an installation chamber formed between the light condensing structure and the light reflection structure. The LED lamp strip is held in the installation chamber and at one side of the light reflection structure. The metal casing is coupled on the outer side of the light reflection structure. Each of the end caps is coupled on each of two ends of the plastic tube shell, thus can achieve IP67 waterproof and dustproof level, and also can resolve cooling problem of the lamp tube.

Abstract: A hazard warning light assembly includes a panel that has a top side and a bottom side. A receiver mount is attached to and extends upwardly from the top side. A stake has a top end, a bottom end and a perimeter wall extending between the top and bottom ends. The bottom end is pointed to allow the bottom end to be extendable into a ground surface. The receiver mount has a size and shape configured to receive the bottom end and support the stake in a vertical orientation. A plurality of primary light emitters is mounted to the stake. The primary light emitters are selectively turned on to emit light. A primary actuator is electrically coupled to the primary light emitters to turn the primary light emitters on or off.

Abstract: An illumination device includes a light tube holder including two connectors for receiving either a light-emitting diode (LED) tube or a fluorescent tube. The connector includes three conductive elastic pieces therein. One elastic piece is electrically connected to an LED tube drive circuit board and a fluorescent tube, and the other two elastic pieces are respectively electrically connected to the LED and fluorescent tube drive circuit boards. A normally closed switch is located in the one of the connectors. The switch has a first end connected between a power supply and a first end of a ballast, and a second end connected to a second end of the ballast. When the LED tube is mounted to the holder, the switch is closed, and when the fluorescent tube is mounted to the holder the switch is open.

Abstract: A light device is provided that includes a light source and electrical circuitry for supplying electrical power to the light source. The light device also includes a housing having first and second ends and a hollow interior defining a compartment for holding a power source. The housing comprises a woven fiber thermoset composite. The housing is made by applying woven fibers to a mandrel and impregnating the woven fibers with an epoxy and curing the epoxy impregnated woven fibers to form the thermoset composite housing. An electrical interconnect is provided within the housing having first and second resilient contacts for providing an electrical connection between the power source and the light source.

Abstract: A lighting device includes a tubular body and a substrate. The tubular body has a chamber, a first end and a second end. The first and second ends communicate with the chamber. The substrate is axially disposed in the chamber. Multiple light-emitting elements are arranged on the substrate. By means of the substrate, the projection range and projection angle of the lighting device are enlarged to enhance luminous efficiency of the lighting device.

Abstract: A linear light-emitting module including a conducting line, a plurality of LED packages, and a plurality of package colloid is provided. The conducting line includes a pair of conducting wires which are isolated from each other and a light-guiding insulating material. The light-guiding insulating material partially covers the conducting wires so as to expose a plurality of local portions. The LED packages are disposed between the conducting wires, and each of the LED packages is electrically connected to one of the local portions, wherein each LED package has a light-emergence surface, and the light-emergence surface is substantially perpendicular to an extension direction of the corresponding local portion. The package colloid cover the LED packages and the local portions. A textile product having the foregoing linear light-emitting module is also provided.

Abstract: An LED recessed lighting fixture which includes a multiplicity of LED boards which have a multiplicity of LEDs thereon, the LED boards affixed to a heat sink to dissipate the heat generated from the LEDs. The LED boards are shrouded by a diffuser so that light from the LEDs shining through the diffuser mimics a fluorescent light. The fixture incorporates at least one reflector into the fixture so that some of the illumination from the LEDs will be reflected off the reflector after it has passed through the diffuser. An access door in the top of the fixture so that access to a driver retained within the fixtures can be provided from the top of the fixture. An access door in the top of the fixture so that access to an emergency battery retained within the fixture can be provided from the top of the fixture.

Abstract: A multipurpose lighting device comprising a flashlight end, a lantern end including a barrel through which light may pass, and a module mounted between the flashlight end and lantern end. The module includes a first light source configured to direct light out the flashlight end, and a second light source configured to direct light out the lantern end. The second light source is disposed on an opposite end of the module from the first light source. The module further includes a power source configured to energize the first light source and second light source, wherein the second light source is oppositely disposed on the module from the first light source.

Abstract: Disclosed is a lighting device that comprises a first body having a first sloping surface toward a reflector; a second body having a second sloping surface toward the reflector; a middle body having an insertion groove formed respectively on both sides of the lower part of the middle body, and allowing the first body and the second body to be coupled to both sides of the middle body by inserting a first hinge and a second hinge into the insertion groove, respectively; and a main light emitting device module disposed on a first sloping surface and a second sloping surface respectively, wherein the first sloping surface and the second sloping surface face outward with respect to the middle body.

Abstract: A solid state light sheet and method of fabricating the sheet are disclosed. In one embodiment, bare LED chips have top and bottom electrodes, where the bottom electrode is a large reflective electrode. The bottom electrodes of an array of LEDs (e.g., 500 LEDs) are bonded to an array of electrodes formed on a flexible bottom substrate. Conductive traces are formed on the bottom substrate connected to the electrodes. A transparent top substrate is then formed over the bottom substrate. Various ways to connect the LEDs in series are described along with many embodiments. In one method, the top substrate contains a conductor pattern that connects to LED electrodes and conductors on the bottom substrate.

Abstract: A solid state light sheet and method of fabricating the sheet are disclosed. In one embodiment, bare LED chips have top and bottom electrodes, where the bottom electrode is a large reflective electrode. The bottom electrodes of an array of LEDs (e.g., 500 LEDs) are bonded to an array of electrodes formed on a flexible bottom substrate. Conductive traces are formed on the bottom substrate connected to the electrodes. A transparent top substrate is then formed over the bottom substrate. Various ways to connect the LEDs in series are described along with many embodiments. In one method, the top substrate contains a conductor pattern that connects to LED electrodes and conductors on the bottom substrate.

Abstract: A solid state light sheet and method of fabricating the sheet are disclosed. In one embodiment, bare LED chips have top and bottom electrodes, where the bottom electrode is a large reflective electrode. The bottom electrodes of an array of LEDs (e.g., 500 LEDs) are bonded to an array of electrodes formed on a flexible bottom substrate. Conductive traces are formed on the bottom substrate connected to the electrodes. A transparent top substrate is then formed over the bottom substrate. Various ways to connect the LEDs in series are described along with many embodiments. In one method, the top substrate contains a conductor pattern that connects to LED electrodes and conductors on the bottom substrate.