Abstract: A housing and mounting system for a strip lighting device, particularly a lighting device of the kind in which multiple light emitting diode (LED) light sources are arranged at spaced intervals within an elongate tubular housing that is translucent and arranged to diffuse, disperse or scatter the light from the LED light sources. The tubular housing has two longitudinally extending keys integrally formed on the exterior of the tube. The interior of the tube has longitudinally extending formations for supporting mounted LED light sources within the tube.

Abstract: An indoor/outdoor advertising device and a method for manufacturing the same. The indoor/outdoor advertising device, which is used for indoor/outdoor advertisement materials or signboards, can be easily manufactured due to its simple structure and can provide an outstanding advertisement effect not only at night but also during the daytime by emitting light from the light elements throughout surfaces thereof with less consumption of electric power.

Abstract: An advertising sign device comprising an abutment plate including receptacles arranged in a predetermined order each having a seat, a lamp assembly including a plurality of serially connected lamps mounted on the seats, a back plate, and a cover. Advantages, such as quick assembly and colorful scheme of lamp assembly, easy replacement of lamps, prolonged useful life, lower manufacturing cost, and safety are achieved.

Abstract: The present invention is a device that functions as a letter display panel 1. The display panel 1 is a body 2 that is a relatively thin piece of material having front and rear surfaces 4 and 6 with an edge 5 that extends between the front and rear surfaces, 4 and 6. In a preferred embodiment, a kit having a plurality of identical display panels 1 is provided for use with ornamental light strings. Each separate display panel 1 is capable of forming an individual lighted letter when used with the ornamental light string, as will be described below. The separate display panels 1 may be then coupled together to form written messages and the like.

Abstract: A display device has a support, a tubular light source, and a cover. The light source is interconnected to the support, and the cover is placed over the light source. The cover is an arc-shaped partially translucent elongated member. The cover is colored to create a glowing effect when light emitted from the light source passes through the cover in a forward direction. Light emitted from the light source in a rearward direction reflects off of the support. The cover allows the light source to create both a glowing effect and a back-lit effect.

Abstract: The present wall art picture is comprised of a front panel display board and a rear panel enclosing board mounted in a frame. A poster featuring the graphical image of a light-emitting object is mounted to the outer surface of the front panel display board. A hole is made in the front panel display board through the light-emitting object depicted in the graphical image. A non-flammable bushing is positioned through the hole and an electric lamp assembly is positioned within the bushing. The bushing is comprised of a cylindrical tube with a flange at an inner end. The flange is positioned and adhered flush against the rear surface of the front panel display board. A shoulder is arranged inside the tube facing the flange to hold the lamp assembly in place and prevent it from passing completely through the tube. The potentially flammable front panel display board is insulated by the bushing from the heat producing surfaces of the lamp assembly for safety.

Abstract: In a display device, a display surface portion includes a light emitting area on which a plurality of light emitting devices are arranged, and a nonluminous area formed on spaces among the arranged light emitting devices on the display surface portion. The nonluminous area is formed with a nonluminous image and the nonluminous image is displayed on the nonluminous area in color. An emission unit for selectively causes at least one of the light emitting elements to emit light so as to display an image on the display surface portion.

Abstract: A method and apparatus for retro-fitting a traffic signal lamp with an LED lamp module. The traffic signal lamp has a housing, a front door plate attached to the housing, a lens attached to the front door plate, a reflector in the housing, a threaded electrical socket connector in the housing, and a threaded light bulb connected into the socket connector. The LED lamp including a plurality of light emitting diodes, a power supply electrically connected to the plurality of light emitting diodes, and wires extending from the power supply that terminate in a threaded electrical connector compatible with the socket connector. The method of the present invention includes removing the lens from the front door plate, removing the threaded light bulb from the socket connector, affixing an LED lamp module to the front door plate, and connecting the threaded electrical connector of the LED lamp module to the socket connector.

Abstract: A luminous display element having a light line positioned within a light-housing. The light line includes a series of SMD-LED-components arranged on a carrier material. On either end of the carrier material are connection elements which allow the carrier material to connect to other lights. The light-housing has a non-rectangular cross-section, and its length is multiple times its height. Depending upon the desired form of illumination, the light line can be arranged either within the light-housing, or outside the light-housing and extend along its longitudinal axis.

Abstract: A solar battery indicator apparatus utilizing a capacitor for accumulating electrical power generated by the solar battery and light emitting diodes for emitting light on the basis of the electrical power supplied from the capacitor. An indicator body makes a prescribed indication on its front surface through the use of optical fibers. Several bundles of optical fibers are utilized with each bundle being associated with a plurality of optical fibers having one of their ends disposed to face an associated one of the light emitting diodes and the other end of each of the bundles of fibers being associated with a particular indicator. The configuration of optical fiber bundles utilize a control portion for controlling light emitting states of respective individual light emitting diodes.

Abstract: A light emitting diode (LED) retrofit lamp with locking swivel mount that mounts into a threaded screw-in electrical socket of a traffic signal. The LED lamp includes a socket housing, a printed circuit board and a plurality of light emitting diodes. The socket housing has a lower end terminating in a threaded base for insertion into a threaded screw-in electrical socket. The printed circuit board is rotatably mounted to the socket housing. The plurality of light emitting diodes is mounted on the printed circuit in such a manner that they form a symbol image, such as an arrow, a pedestrian walking, a hand, a letter or even words. The printed circuit board is rotatable relative to the socket housing for rotation of the symbol image formed by the light emitting diodes to a desired rotational orientation relative to the socket housing.

Abstract: A lighted display device includes a sculpted frame formed of thin wire or tubing. The frame outlines a character or an object and has one or more closed portions defined by the wire or tubing enclosing an area or partially enclosing an area. The display further includes a string of lights disposed along selected portions of the frame, and at least one translucent panel disposed in the closed portions or partially-closed portions of the frame.

Abstract: A traffic sign marker 1 has a display surface portion 2 for displaying a graphic symbol A related to a traffic sign. The display surface portion 2 is provided with a first light emitting portion 3 arranged along an contour of the graphic symbol A, and a second light emitting portion 4 patterning the letters B corresponding to the graphic symbol A, and the sign marker 1 comprises an operation control portion for causing the first light emitting portion 3 and the second emitting portion 4 to emit light alternately. Whereby, the graphic symbol A related to the traffic sign and the letters B corresponding to the graphic symbol A are displayed alternately, so that it can be recognized accurately and immediately whether or not the sign is a traffic sign and what are the caution contents intended by the traffic sign, and then the sign can be visible clearly at an angle.

Abstract: A display groove is formed along a display pattern provided on a display panel, and a display element unit is arranged along the display groove as a light source to constitute a display device. The display element unit 2 has one or more LED's inserted into a unit case 21 having an elongated opening so that light is emitted over the width area and the length area of this lens 25 for providing an emitted state of a wide display pattern along a display groove in a small number of LED's 231 along the display pattern.

Abstract: An adjustable device for receiving and displaying decorative light emitting units to describe alpha-numeric characters, messages and designs in a variety of sizes and configurations using the same component parts. The device includes a plurality of identical elongate socket bar members attached in rows on two or more identical elongate hanger members. The socket bar members can be arranged in a variety of vertical spacings and horizontal offsettings on the hanger members. The assembled device allows the simultaneous lateral rotation of the socket bar members on the hanger members.

Abstract: An illuminated display apparatus includes embossed or quilted indicia artistic and pleasing to small children applied to a generally flat surface that is provided with a plurality of apertures disposed at locations relating to the indicia placed thereon and includes illumination devices extending through the plurality of apertures. A solid state switching device applies electrical power to the illumination devices to energize them. Electrical conductors interconnect the source of electrical energy, the switching device, and the illumination devices, all of which are embedded in a soft sponge-like material sandwiched between a backing material cooperating with the flat surface, sandwiching the electrical components therebetween. The illumination devices may be affixed to a hard frame (valance) or curtain rod for display or may be left unframed where it can function as an illuminated flag, blanket, or wall hanging.

Abstract: A miniature light string display container for selectively displaying a plurality of light bulbs of a miniature light string in a desired arrangement, including a container with a front display panel having an array of regularly spaced mounting openings therethrough, which openings are sized for securely receiving light bulbs of a light string at least partially therethrough in a desired arrangement or pattern which is selectable on the array of mounting openings. The display container also includes a reversibly openable entry panel with a closed position and an open position, in which open position a rear surface of the display panel may be accessed. Electrical connection wire is extendable through the display container, when closed, for connecting the string of lights to an electrical power source, so that the pattern of inserted light bulbs is illuminated.

Abstract: A decorative art form structured to be a substantially rigid and free-standing display is disclosed. The decorative art form includes a first sheet of material lying generally in a first plane and having a plurality of apertures formed therethrough in a predetermined pattern to outline the profile of the decorative art form. Also included is a second sheet of material lying generally in a second plane which is generally parallel to the first plane. The second sheet has a predetermined plurality of second apertures formed therethrough in a predetermined pattern which outlines the same profile as that outlined by the predetermined pattern of first apertures formed through the first sheet. A predetermined plurality of retainers are inserted into corresponding apertures of the first and second sheets to maintain the first and second sheets in a rigid and parallel relationship to form a free-standing decorative art form.

Abstract: An illuminated sign apparatus comprised of a reflector with dedicated cavities which are formed by having the perimeter walls of each cavity conform precisely to each individual area of the sign desiring illumination, typically alphabetic characters and the background area they create. The bottom walls of these cavities will project towards the viewers eye parabolically. The midpoint of the cavity, when viewed in cross section, is to be slightly less in height than that of the cavity-defining perimeter walls. The perimeter walls have point source lights such as light emitting diodes (LEDs) distributed along their surface. These cavities may be filled in with transparent substance, fully encapsulating the LEDs thereby eliminating any reflective air space and facilitating light diffusion. The light sources may be provided with circuitry allowing unique powering to each of the individual cavities, resulting in the possibility of a variety of different display effects.

Abstract: An illuminated vehicle bra for displaying a message comprising a nose bra adapted to fit on a vehicle; and a signaling circuit coupled to the nose bra, the signaling circuit having a plurality of light sources disposed thereon in a configuration defining a message for viewing and leads connected to the light sources for transferring energy for illuminating the message, the leads extending from the nose bra and terminating in a terminal adapted to be coupled to a power source for receiving power for energizing the signaling circuit.

Abstract: A distress warning sign includes a LED mounting panel mounting with a plurality of light emitting diodes, controlled by a build-in one chip micro computer. The distress warning sign is designed to have a super thin structure and is adapted to be placed on the roof of an automobile to effectively warn coming cars when failure or traffic accident happens. The light emitting diodes on the mounting panel are arranged to form various groups and are operated in selectable operation modes, so that the warning sign either serves as an illuminated distress warning sign for traffic warning sign or an electronic dice game for entertainment.

Abstract: An endless manual control for use in automation systems, such as automated recording consoles, which controls levels and other parameters of audio, video and other signals, by generating, storing, sending and receiving electronic control signals. The control's internal circuitry translates control movements into electronic signals describing the control's movements. These electronic signals, including external electronic signals which are inputed during certain modes of operation, are fed into a circuit for updating the circuit's memory of control levels. When either the minimum or maximum control level extreme is reached, the circuitry triggers a mechanism to stop the manual rotation of the control in the direction which had or would have caused that control level extreme to be reached.

Abstract: A light transmitting, visual display panel for use as a sign or message board and comprised of a plurality of closely adjacent, rectangular modules, each of which includes a closed, vertically disposed housing having top, bottom, side and back walls, and a front wall comprised of a plurality of closely adjacent, interchangeable, rectangular, 3-dimensional, light refracting filtering lenses. The lenses are removably secured in the housing. A vertical array of individual light sources is disposed within the housing behind the lenses and dividers behind the lenses separate the light sources. Each housing includes at least one pressurizing cooling fan and narrow, slot-like air exhaust ducts are provided between adjacent lenses.

Abstract: An illuminant display device having a wired substrate with a large number of LEDs mounted thereon, and a case frame member for accommodating the wired substrate. An illuminant dot being composed of a plurality of the LEDs and a plurality of the illuminant dots being aligned in a horizontal direction in each case frame member. A plurality of the illuminant display devices are arranged in a matrix form to form a large-scale display unit. Alignment of the illuminant display devices in a horizontal direction is easily and accurately maintained.

Abstract: A merchandise accentuator for a store shelf having a molding along the forward edge thereof, the molding forming a channel strip of uniform cross-section having flanges laterally bounding a web portion and providing mutually opposed grooves forwardly of the web portion, the accentuator including a board having a circuit on one side for electrically developing display drive signals, a display mounted on said one side of said board and being operatively connected to said circuit for providing a visual representation corresponding to said drive signals, an independent voltage source mounted on the other side of said board and being operatively connected to the circuit, the accentuator being mounted in the board in the channel in the molding.

Abstract: An illuminated traffic control sign transforms a conventional passenger automobile into a traffic control vehicle. The body of the sign is formed from a flexible sheet of weather resistant material. The sign is ordinarily stored under the luggage compartment lid of the automobile when not in use and is deployed between the open lid and the lower part of the luggage compartment when in use. The flexible sheet has a horizontal double arrow design formed on it in a color that contrasts with the color of the sheet. Electric light fixtures are attached over the double arrow design to illuminate the design when the fixtures are activated. A plurality of flaps are secured to the flexible sheet and may be moved between retracted positions where they reveal the double arrow design or active positions where they cover part of the design. By positioning the flaps, the double arrow design may be selectively changed to a right arrow, a left arrow, or a caution bar without an arrowhead.

Abstract: A large scale video display has a plurality of colored electrodeless lamps which are excited by RF energy coupled from a RF cavity upon which the lamps are mounted. The lamps are easily replaced and do not degrade as fast as conventional lamps which have electrodes.

Abstract: There is disclosed herein a new form of sign or graphic display which simulates a neon sign. The same comprises a hollow tube or tubes which are formed into desired shapes, such as letters, graphics and the like. These tubes are lit along the side edge by directing illumination to the side thereof, preferably through colored material, paint or dye to provide a colored display. Several arrangements for illuminating the sides of the tubes are disclosed. In the case of flexible vinyl tubing, a method is disclosed for forming the same into the desired shapes by inserting a solid Teflon rod in the tube prior to bending, bending the tube to the desired form, and applying suitable heat in order that the tube will assume the desired shape, then cooling the tubing and removing the solid rod.

Abstract: A sheet type large display unit includes a thin, flexible back sheet which is capable of being rolled up, the flexible back sheet having a plurality of electrical connections formed thereon in rows and columns; a plurality of display dot devices mounted on the front surface of the back sheet in a matrix arrangement, each display dot device including four light emitting diodes mounted on a printed circuit board substrate and connected with the electrical connections; a thin, flexible transparent display sheet which is capable of being rolled up, the display sheet being in covering relation to the display dot devices; and an adhesive which secures the peripheral edge of the display sheet in sealing relation to the peripheral edge of the back sheet.

Abstract: An illuminated exit sign having a novel layered arrangement including a multiplicity of miniature incandescent light bulbs. The light bulbs are mounted on a lamp assembly board in such a manner as to spell out the word "EXIT." A plastic sheet having holes therein is laid over the lamp assembly board, each of the bulbs entering a hole in the sheet. A stencil-type mask on top of the sheet defines the work "EXIT." When power is supplied, the bulbs provide direct illumination to the observer, and also diffuse light throughout the plastic sheet, providing background illumination of the lettering, with improved field of vision.

Abstract: A lighting assembly comprising a plurality of light fixtures each including a light source such as an electric bulb disposed on the interior of an elongated sleeve which is sealed from the entrance of water therein and further wherein the plurality of light fixtures are preferably mounted on a base in a predetermined array configured in the form of alphabetical letters or any other utilitarian or decorative format.

Abstract: A portable electronic warning device for temporary conditions including a sensor to detect the presence of a pedestrian at a minimum first predetermined position, the sensor connected to circuitry which provides output to a plurality of focusing lights, preferably concentric bands of light, which direct the attention of the pedestrian to a message positioned concentrically within the lights, the device optionally including an audible alarm to simultaneously audibly alert a pedestrian.

Abstract: A matrix lamp bank display utilizes individually removable light filtering assemblies that are composed of a rectangular tinted lens and a supporting frame. Each frame is removably mounted to the display at the front of the lamps provided within it. Each lens is inclined from the vertical to reduce sun or external lighting glare. Provision is made to accommodate thermal expansion of the lens and its supporting frame, as well as ventilation of each lens during lamp operation. Multicolored displays can be achieved by grouping two or more lens colors and operating multiple lamps in combination to project a desired color mix about the matrix.

Abstract: A self-powered computerized advertisement board is disclosed which utilizes a plurality of wind-driven illuminating units to provide the requisite electrical power. The invention includes an electrical power handling circuit and a control circuit to store and distribute the electrical power and to control the illumination of the bulbs associated with the wind-driven illuminating units.

Abstract: A display device for the reproduction of characters and symbols including light sources in the form of incandescent lamps or lightbulbs, which are arranged in close proximity to each other on a substrate, such as a display device for moving illuminated writing, illuminated area or field, luminescent boards, marquees, or the like. Apertures are provided in a preselected pattern in the substrate, into which there are inserted reflectors at the front side thereof, and which respectively receive in their central rearwardly directed reflector necks, insertable incandescent lamp holders or sockets; with electrical contact terminals arranged at the end thereof. Hereby, annular or ring-shaped members can be positioned in the apertures, and which extend at right angles from the substrate, into which there are inserted from at the front side thereof, the reflectors with fixedly superimposed light distributor caps.

Abstract: An apparatus for guiding the occupants of a structure along a path of travel within the structure is provided. The apparatus is comprised of modular floor covering units which are abuttingly arranged to cover the floor of the structure, with some of the units being signal units having a light-transmissive housing positioned in an opening therein, and having light-emitting means positioned in the housing. Power means are provided to energize the light-emitting means, and thereby provide a visually discernable pathway on the floor. The floor covering units preferably comprise carpet tiles, the light-transmissive housings are preferably formed of molded plastic and the light-emitting means are preferably light-emitting diodes.

Abstract: A sign apparatus includes a sign cabinet with a window (4) inclined towards the observation plane. Inside the window, which is a color filter, there is arranged a panel (5) with electrically driven character elements (7). The angle of inclination (.beta.) of the panel is equal to, or less than, the angle of inclination (.alpha.) of the window. Each character element is formed by obliquely disposed rows of light emitting diodes.

Abstract: An illuminated display assembly fits into an opening in a display board such as a sports scoreboard. The display assembly includes an indicator module containing a front panel having a plurality of light transmitting data indicating areas arranged thereon with a plurality of chambers mounted behind the front panel. Each chamber is associated with one of the data indicating areas and encloses light sources therein which illuminate the data indicating areas when energized. A light source module includes a printed circuit board having a plurality of light sources mounted thereto. When the light source module and indicator modules are assembled together, the light sources from the former project into the chambers in the latter to form a finished display.

Abstract: An article of clothing includes a shell forming an outer layer of the article, a liner disposed generally inside the shell and forming an inner layer of the article, and a set of light-emitting diodes or the like forming a predetermined pattern on the exterior of the article of clothing. The set of light-emitting diodes is mounted on a substrate. A power source is provided for illuminating the diodes, as is a control circuit for controlling the energization of the diodes. There is a pocket in the article of clothing in which the power source is removably disposed. A cable electrically connects the diodes and the power source, which cable is disposed generally between the shell and the liner so as to be hidden from view and protected. An overlay has imprinted thereon a pattern corresponding to the predetermined pattern of the diodes. The overlay has openings therethrough through which the diodes extend, and the overlay is secured to the shell.

Abstract: An illuminated sign assembly structured to be portable and thereby usable in a variety of applications such as emergency signalling for distressed vehicles. The sign assembly is formed from a flexible material base capable of being folded upon itself and thereby selectively disposed between an open and closed position. Indicia segments, preferably representing alpha-numerical representations are secured to a display face and accented and distinguished from the remainder of the base through a plurality of illuminating light bulbs arranged in spaced apart arrays which correspond to the configuration of the indicia segments. Electrical circuitry is provided for interconnection of the illuminating light bulbs to one another and to a satisfactory electrical power source such as, but not limited to, the electric battery in a conventional automobile.

Abstract: An illuminated sign is formed on a flexible substrate and installable onto a garment or an umbrella having a deployable frame with a web member extending thereover. The illuminated sign is provided with a plurality of lamps, which may be light-emitting diodes, arranged to correspond with the shape of the symbols on the illuminated sign. The electrically interconnected lamps are electrically connectable to a battery via a switch which controls conduction of electrical energy to the lamps. Additionally, a flasher circuit may be provided for causing the lamps to flash on and off periodically. When installed on an umbrella, the switch may be located at a distance from the illuminated sign, such as on the handle thereof.

Abstract: Traffic control apparatus of the wheeled trailer type having pairs of links for selectively and uniformly moving a traffic control message panel between a substantially vertical display position and a substantially horizontal storage/transit position. Three pairs of links are controlled by a winch-cable system coupled thereto to control the pivoting movements of the pairs of links to cause the smooth movement of the traffic control message panel between positions. The pivot points for the pairs of linkages are preselected to minimize the tension on the winch cable during the panel movements between positions.

Abstract: A warning and distress signal light for a disabled vehicle has a vertical cylindrical body having at its lower end a rubber suction cup and three folding legs with magnetic feet attached thereto for supporting the body. Attached at the upper portion of the cylindrical body are four illuminating arms which fold out horizontally from the vertical body spelling out the words CAUTION, AUTO, ACCIDENT and TROUBLE.

Abstract: Disclosed herein is a device for amusing young children and the like by utilization of correlatives electronically provided for educational benefit. The device includes a housing adapted to be affixed to a safety seat and an automobile within which the child is placed and includes a source of power, a display board which appears to have the visage of a person or the like, and a control panel having plural switches thereon for selected engagement of various groups of lights provided on the visage. By appropriate switching, various aspects of the amusement face can be illuminated.

Abstract: An alpha-numeric array is provided for the selective display of characters as controlled by associated character generator programming circuitry. The display array in one character format utilizes a 5.times.7 matrix array of individually operable illumination sources, LED solid state lamps for example, with programmed combinations of the individual illumination sources being operated to display the programmed characters. The display array includes a lens and front panel array having integrally formed lens areas. The lens areas of the lens and front panel array when unactuated are essentially indistinguishable from the front panel array background area thus providing improved contrast. The display array also includes a reflector array having integrally formed reflector cavities. The integrally formed reflector cavities include predetermined surface characteristics for collimating the light rays emanating from the central axis of the reflector cavities.

Abstract: An incandescent display system suitable for use in displaying video images is disclosed. Incandescent lamps are positioned closely to each other in order to achieve a high resolution picture. The lamps are mounted in modules which can be removed from the rear of the display for periodic servicing. The modules include openings to permit cooling air to flow over the surface of the lamps and the display system enclosure is pressurized to create a constant flow of air for this purpose.

Abstract: Structures are provided in inflatable displays which include arrays of electric lamps which are operable for creating a variety of lighting effects including both stationary and flashing or simulated moving light effects. In one form, the display is formed of flexible transparent plastic and extends a substantial distance above the ground, when inflated, to provide support for one or more strings of electric lamps. The lamps of each string or row thereof are intermittently energized in a manner to provide the illusion of upward or downward movement of one or more light sources to attract attention. The inflated portion of the display, because of its transparency, appears to be substantially invisible at night time. In another form, the inflated portion of the display is bulbous in configuration when internally inflated. In yet another form, the inflated portion of the display comprises one or more upwardly extending elongated or tapered portions, each supporting one or more strings of electric lamps thereon.

Abstract: Adhesive backed information and border sign symbols are formed from finished metal sheet or coil which has initially applied to a back surface thereof adhesive covered by release paper. Reflectors are mounted in openings of the sign symbols retained therein through symbol opening edge portions preferably partially overlying and preferably partially edge pressure engaging the reflectors, the information symbols such as letters, numbers and arrows having a multiplicity of spaced reflectors, and the border symbols being elongated and also having said spaced reflectors. The sign is assembled by removing the release paper from the symbols and adhesively adhering the symbols to a finished front face of a sign panel, the information symbols being positioned inwardly of a sign panel border portion and the border symbols being positioned at the sign panel border portion circumscribing the information symbols.

Abstract: A portable electric sign display unit comprises a wheeled trailer having a main frame on which is mounted a motor-generator unit and a structure for holding a warning sign or the like in an elevated position. The sign carrying structure is collapsible into a position in which a central portion of the sign panel forms a roof over the motor-generator unit and two hinged side panels form the sides of the cover for the unit. The sign is erected by operation of a winch which first rotates the sign panel toward its vertical position and then raises the structure a further distance to the fully elevated position. The side panels are locked into position in the same plane as the central portion and electric lights forming the display are mounted on all three portions.

Abstract: A light matrix display system and a lamp socket for use therein. The lamp socket receives a single lamp which may be easily replaced by another lamp. The lamp socket is also designed so that it may be readily replaced if necessary. A solid state switching circuit is replaceably mounted on each lamp socket. Thus, if a switching circuit fails, it may be quickly replaced without disturbing the operation of other lamps. The light matrix display system includes a plurality of lamps arranged in rows and columns. A plurality of row control conductors and column control conductors are provided which are connected to a matrix system controller. Hot and neutral AC current supplying conductors and one row control conductor and one column control conductor are directly connected to each lamp socket and the switching circuit associated with the lamp socket.