Abstract: A traditional pedestrian signal housing with a video display screen mounted to a pedestrian side of the traditional pedestrian signal housing is disclosed. The video display screen is mounted to the pedestrian side of the pedestrian signal housing by way of a face plate. Tunnel visors may be attached to the traditional pedestrian signal housing to prevent cross traffic from being distracted by the visual images displayed on the video display screen. The information displayed on the video display screen may be advertisements, information, directions, etc. Local or national entities may pay for advertisements to generate revenues for the cities or governmental entities.

Abstract: An outdoor sign resistant to wind damage includes a support column; a display having secured and released positions, a lower edge and a central vertical axis aligned with the axis of the column when the sign is in the secured position; a lower horizontal arm with opposed ends mounted on the upper end of the support column; an upper horizontal arm with opposed ends attached to the display, the upper arm being parallel to the display lower edge and the lower support arm when the display is in the secured position; a pivot mechanism joining the support arms adjacent one end; and a retainer mechanism between the opposite ends of the support arms, the mechanism releasibly securing the support arms to each other when the sign is in the secured position. The retainer mechanism is unlatched when the wind force is greater than a predetermined value.

Abstract: The purpose of this invention is to allow one to determine is a sign is an “open” sign or a “closed” sign from a greater distance than would be possible if one had to rely on the ability to read said sign. By incorporating the colors “red” and “green” the sign's written message doesn't have to be read.

Abstract: The invention provides a wall or ceiling covering arrangement (10) comprising a covering material (100) and a lighting system (200) arranged to generate light (210). The covering material (100) has a user side (101) and an opposite back side (102). The lighting system (200) is arranged at the back side (102) of the covering material (100) and the covering material (100) has a light transmission for light (210) generated by the lighting system (200) in the range of 0.5% to 30%, especially in the range of 1% to 20%. The covering material comprises a material selected from the group consisting of plasters and wallpapers.

Abstract: Provided is a multi-display apparatus formed by connecting a plurality of display devices. The multi-display apparatus includes a first display device, a second display device, and a transparent plate. The second display device may partially overlap with the first display device. The transparent plate covers at least some parts of the first display device and the second display device.

Abstract: A lighting apparatus for simulating a neon sign and method of making is provided. An outer housing having a central opening and defining a perimeter of the lighting apparatus can be connected with an inner housing configured as a plurality of symbols for conveying a message. Mounted within the interior of the outer and inner housing can be a series of lighting units such as SMD light emitting diodes. Respective outer housing and inner housing can have a cross-sectional inverted U-shape capped by a base member with the upper member having a curved diffuser for transmitting light through a transmissive plastic resin while integrally mounted black or opaque straight legs of a U-shape can enhance the simulated neon glow.

Abstract: A light-emitting display system has an alignment mechanism to align or angle light-emitting tiles of the display. A first tile connects to a second tile by joining a first clamp portion on the first tile with a second clamp portion on the second tile. In an implementation, the alignment mechanism includes a replaceable angle adjustment insert that is inserted into at least one of the clamp portions, such as the first clamp portion. When the first and second clamp portions are joined, a surface of the second clamp portion presses against the insert and a desired angle between the first and second tile is formed. The insert can have any angle so that any desired angle can be formed between the first and second tiles.

Abstract: A signage structure includes a first drum, a valance and a plurality of bracket assemblies. The first drum is suspended from a ceiling and includes a first frame supporting a first material having an outer circumferential surface for displaying indicia. The first frame has an upper frame ring and a lower frame ring. The valance is located outwardly from the outer circumferential surface of the first drum and includes at least one curved section having a plurality of spaced apart lights positioned along the interior side of the valance. The plurality of bracket assemblies include arms that couple the upper frame ring of the first drum to the valance. A first end of each arm is configured to attach to the upper frame ring of the first drum and a second end of each arm is configured to attach to the valance.

Abstract: A device that comprises a sports logo attached to a window adhering structure. The window adhering structure are static cling panels. These panels may be generally the same size and shape as the logo or they may be much larger, such as a large rectangular shape that encompasses the logo. The device further comprises an illumination structure. The illumination structure may be electroluminescent panels, tapes or wires. Additionally, the illumination structure be a series of light elements, such as Light Emitting Diodes (LEDs), each serially connected by conducting wire. Further, the illumination structure includes either a power source that is included in the logo or one that is external to the logo. In the case of the power source that is external to the logo, the power may be provided by a direct current source or an alternating current source, depending on the exact nature of the illuminating structure.

Abstract: An emergency-light indicator includes a body, a top plate configured on a top of the body, a rotating body including a driving power module and configured on a bottom of the body, and an indication board module. An LED board is configured in the rotating body. The body and the rotating body are installed together via two side covers which are respectively configured at two ends of the body and the rotating body. A mounting slot is structured on a bottom of the rotating body. A rotating side cover is configured at each end of the rotating body. A spring strip is installed to each of the rotating side covers. A groove is structured at each side of the indication board module and the grooves and spring strips are corresponding, thereby the indication board module can be installed to the mounting slot through the spring trips and corresponding grooves.

Abstract: A display device includes a display panel for irradiating light, a transparent substrate comprising an active portion for passing through the image light and a decoration portion surrounding the active portion, and a decoration layer filling a groove at the decoration portion.

Abstract: An illuminated sign that includes a base configured to face a front direction and configured to be placed in a first orientation and a second orientation when the base faces the front direction. A first character is configured to rotate with respect to the base between a first position facing the front direction and a second position facing the front direction. A second character is configured to rotate with respect to the base between the first position facing the front direction and the second position facing the front direction. A rotation mechanism is configured to enable at least one of the first character and the second character to rotate between the first and the second positions.

Abstract: The present invention relates to an LED assembly and products using the same. More specifically, the present invention relates to an LED assembly having improved discernibility from the far distance and near distance and from the front and sides, which is covered with a light-passing unit having a thin-film light-passing part and a thick-film light-passing part such that scattering of light is prevented and in which the light irradiation range is specified by the size of the light-passing unit such that light can penetrate far from the thin-film light-passing part but, even so, glare directly in front of the front surface of the LED is softened and, because the medium in the thick-film light-passing part is thick, some of the light passing through the medium is reflected on the inside and the light can also reach the side surfaces. The present invention also relates to signboards and traffic safety display boards using the LED assembly.

Abstract: The lighting apparatus 10 includes a light guide plate 11 made of a transparent material and having a pair of faces 12a, 12b opposing each other and an end face adjoining the faces, a silkscreen-printed dot pattern 13 used to diffuse light, provided only on the face 12a of the light guide plate 11 and formed with a special ink, and an LED light source 20 disposed so as to face the end face of the light guide plate 11. The face 12a of the light guide plate 11 provided with the silkscreen-printed pattern 13 serves, as it is, as a light-emitting surface.

Abstract: A robust and low-cost design to add graphics panels to a sun tracking, solar panel mounting system that can be mounted on a wide range of light poles and power poles. This design uses the promotional value of the applied graphics to further improve the economics of the solar installation resource to help speed the adoption of this distributed power generation resource.

Abstract: The invention displays manually inserted themed artwork in a plastic unit which is inserted into a standard 2? hitch box at rear of vehicle. The full color themed artwork is visible when brake light is off and enhanced when brake light is on. The unit body contains the LED light, reflective background, red colored plastic light diffuser, and electrical pigtail connector which plugs into the vehicle's 12 volt DC receptacle. Unit has a unique clear acrylic swing-down door that holds the acetate artwork in a built-in channel immediately behind the door. Unique acetate artwork is manually interchangeable. A square foam washer takes up tolerance between the metal hitch box and the plastic unit body. An O-ring mounted around the inside of the clear acrylic door provides a weather-tight seal protecting internal parts and artwork acetates.

Abstract: A lighting fixture comprising a mounting frame adapted to be mounted to a vertical mounting surface. The mounting frame supports a panel. The panel may include decorative indicia on a front surface thereof. Further, the panel may include an array of tiles thereon. The lighting fixture also comprises a mounting frame adapted to support the panel and a plurality of support arms projecting from the mounting frame. Each of the arms supports at least one lamp socket. The lighting fixture further comprises a secondary light source coupled to the mounting frame at a location between the front surface of the panel and the wall. The lighting fixture comprises control electronics adapted to selectively apply power to the light source and the at least one lamp socket. In some embodiments, the secondary light source is responsive to an activation signal from at least one of a presence detector and a photodetector.

Abstract: A side-emissive flexible polymeric light guide 1 is formed with a main body portion 6 and an integral attachment or anchoring element 7 that extends along its length for attaching the light guide 1 to an item. The attachment element 7 may be in the form of a flat strip of material which may be stitched to an item or may be formed for a snap-fit or in any other appropriate form, e.g. a rib and groove profile. The attachment element 7 is preferably opaque and co-extruded with the main body portion. The light guide may provide effective and simple to use trim and piping and may be used with bags, mobile phone pouches, clothing, furniture and signage. Various new mobile phone alert and signage systems are also disclosed which may, but need not, include a light guide having an integral attachment element.

Abstract: A poster clamp comprising first and second members, the members comprising first and second gripping surfaces, respectively, for gripping opposing sides of a poster or a like, and a poster mounting system comprising a hoarding and a plurality of such clamps, and a wire on which the clamps are to be mounted for tightening a poster within the frame of the hoarding.

Abstract: A hand-held inter-auto display device includes a handle portion and an interconnecting and substantially planar display portion. A plurality of individual sheets, each displaying at least a portion of a selected message, are displayed from at least one side of the planar display portion. A visual enhancement element, including any of LED elements, phosphorescent coatings or reflective lettering, is associated with at least one of the handle, display portion and sheets to better display a selected message of an exposed sheet supported upon the display portion.

Abstract: A light-emitting display system has an alignment mechanism to align or angle light-emitting tiles of the display. A first tile connects to a second tile by joining a first clamp portion on the first tile with a second clamp portion on the second tile. In an implementation, the alignment mechanism includes a replaceable angle adjustment insert that is inserted into at least one of the clamp portions, such as the first clamp portion. When the first and second clamp portions are joined, a surface of the second clamp portion presses against the insert and a desired angle between the first and second tile is formed. The insert can have any angle so that any desired angle can be formed between the first and second tiles.

Abstract: An illuminated signage system having a printed surface and at least one electroluminescent element embedded within the printed surface and a substrate layer or coupled between the printed surface and the substrate layer, and a rigid backing substrate. Also, an illuminated signage system having a non-opaque material with an etched portion that diffuses light from a light source adjacent to the non-opaque material and a printed layer having indicia visible through the non-opaque material. Also, a method of forming an illuminated signage system, the method including providing a printed surface, coupling the printed surface to a substrate layer, and embedding an electroluminescent element through the printed surface and into at least the substrate layer.

Abstract: A LED Illuminated header valance system to provide front illumination for graphic communication and downward lighting may include a transformer housing to power a LED light array, an extension arm housing to house the LED light array to provide a downward projecting light, a header mounting assembly to detachably connect the header valance system to the retail environment. The transformer housing may include a power cord to connect to a second header valance system, and the transformer housing may include a power outlet to connect to the power cord and the LED edge-lit panel.

Abstract: A DIY LED sign panel arrangement for use as an illuminative signboard includes a LED supporting frame which includes a plurality of module holders and a wire arrangement interconnecting the module holders for electrical communications, a power unit for providing power, and a plurality of LED modules. The LED module includes a casing, a LED unit having an illuminating surface for providing illumination, and a module connector on the casing for securing the LED units into position. The LED modules are arranged for forming an adjustable LED module pattern on the LED supporting frame as a text object or a graphical object serving as a sign, such that a user can design his own LED signboard simply by placing the LED modules onto the LED supporting frame as desired.

Abstract: An illuminated sign that includes a base configured to face a front direction and configured to be placed in a first orientation and a second orientation when the base faces the front direction. A first character is configured to rotate with respect to the base between a first position facing the front direction and a second position facing the front direction. A second character is configured to rotate with respect to the base between the first position facing the front direction and the second position facing the front direction. A rotation mechanism is configured to enable at least one of the first character and the second character to rotate between the first and the second positions.

Abstract: The present invention relates to a floor display comprising a floor panel, which panel comprises an upper surface, which upper surface of the panel mostly follows a line from the front of the bottom surface to the top of the side surface, hereby forming an inclined panel. It is the object of the invention to achieve a floor display at the floor in shops or supermarkets. This object can be achieved with a floor display if the upper surface of the panel forms a display area, which display surface comprises a transparent cover, which transparent cover is fixed to the panel at the panel front and at the side surface against the wall or shelf. It can hereby be achieved that the floor near walls or shelves is used for advertisement. As for all customers in shops or supermarkets, the floor is a very important place to use for advertisement.

Abstract: The present invention relates to a roof box comprising a bottom member (4) including a bottom section (32 and side sections (33) extending upward from said bottom section, where said bottom member is arranged for mounting said roof box on a roof of a vehicle (28), a top member (1) that is movable in relation to said bottom member between an open and a closed position, where said top member includes a top section (30) and side sections (31) extending downward from said top section, where the top member and the bottom member in closed position form a storage space for storing objects inside the roof box. At least one of said side sections (33) of the bottom member (4) and/or the top member (1) include an outer shell (44, 1) provided with a transparent area (34). Further, the invention relates to use of an electroluminescent plate (10) as a shell with integrated light source for a roof box.

Abstract: An illumination panel comprising a transparent core having opposing surfaces, a matrix of light releasing dots substantially covering one surface, and a protective layer in abutting contact with said surface whereby the dots act as an adhesive bonding the core to the protective layer.

Abstract: An illuminated hand sign system for providing traffic information when there is no availability of permanently installed sign, for example at a traffic accident or a short term road construction site. The system containing a handle supporting a two-sided sign portion formed of two sign halves each providing a different bit of traffic information, and an illuminating element located in between the two sign halves, and a power source for the illuminating element. A switch is provided to activate the illuminating element so as to render the traffic information more visible both during the day and at night.

Abstract: A novel advertising method at least includes: receiving at least one advertising placement offer for the placement of an advertisement, the offer including proposed consideration; accepting an advertising placement order; and displaying an advertisement which is the subject of an accepted advertising placement order on a plurality of mobile, changeable advertising message displays carried by a plurality of coordinated automobiles, which changeable displays are capable of displaying more than one separate advertising message at different times. Each changeable advertising message display at least includes: a visual display; a multiple advertising message generator coupled to the visual display, the multiple advertising message generator adapted to generate a plurality of different advertising messages; and an advertising message selector adapted to select a current advertising message to be displayed.

Abstract: A handheld illuminated warning sign including front and back translucent plastic members, each having a predetermined size and a predetermined shape, connected together to form the sign. At least one of the translucent plastic members having a predetermined color and warning indicia thereon. A mechanism is engageable with each of the translucent plastic members at a first portion thereof for securing them together. A generally hollow handle member, having a predetermined length, is engageable with a second portion of such translucent plastic members for holding the sign. A light is disposed at one end of such handle and between the translucent plastic members for lighting the sign. A battery is disposed within the handle and electrically connected to the light and a switch on such handle is connected between the light and battery for turning on and shutting off such light.

Abstract: A light emitting diode, LED, strip (301) for the illumination of channel signs is provided. The LED strip comprises a flexible circuit board, a plurality of LEDs mounted on the circuit board, and an electrical connector for connecting the LED strip to a power supply. The LED strip is at least in part encapsulated by a flexible resin such that the LED strip is foldable. The LED strip according to the present invention is advantageous in that its length can be adjusted by folding instead of cutting, thereby retaining the waterproof encapsulation of the LED strip. Further, a method for mounting a flexible LED strip (301) in a channel sign is provided. The method comprises the steps of attaching at least one clip (302) to an interior surface (303) of the channel sign, folding back an end (304) of the LED strip, and fixating the LED strip including the folded end using the clip.

Abstract: The present invention relates to an LED assembly and a banner using the same. In particular, the present invention relates to an LED assembly, an attaching method of the same, and a banner using the same to prevent light from scattering by covering an LED with a light-permeable part which comprises light-permeable thin and thick films and to limit light emission range to the size of the light-permeable part, wherein the light-permeable thin film transmits light a long distance and also releases intense light directly in front of the front side of the LED, and the light-permeable thick film transmits the light laterally by reflecting a part of the light, which passes through a medium, inside, because the medium is thick, thereby improving shapability and visibility from a long distance to a short distance.

Abstract: A protective advertisement cover for barriers is disclosed. The cover functions as both a protective cover and as an advertising substrate. The cover provides damage control and protection to anything coming into proximal contact with the bather while an advertisement component makes the barrier more noticeable and therefore more avoidable to customers, pedestrians, workers, trespassers and the like. The disclosed cover includes a shock absorbing component layer configured to absorb shock and substantially return to its original form after impact from a third object. The cover also includes an advertisement component layer that may be disparate from the underlayment shock absorbing layer or imprinted directly thereon. Additionally, the disclosed protective advertisement cover includes a transparent and deformable component layer which may shield the advertisement from weather and graffiti and contribute to protecting motor vehicle doors and body parts from damage by a bather.

Abstract: An electronic device is provided. The electronic device includes a housing defining a chamber and at least one light source. The housing has an inner surface and an opposite outer surface. The outer surface defines a plurality of light-transmitting recesses that have been configured in a desired pattern. Each of the recesses has a gradually changing thickness. The at least one light source is fixed in the chamber and transmits light to the recesses, thereby displaying the desired pattern of the recesses on the outer surface of the housing.

Abstract: An advertising device, where one exemplary use is as a “stripper pole” having associated ad material. The ad material can be placed inside a portion of the pole and be visible through a protective cover, and be dynamic. Additionally, the stripper pole may be in a variety of sizes and shapes and may include lighting, rotating mechanisms, engraving and suspended objects. The advertising device includes a connecting element that attaches to at least one end, and optionally between two ends, with a gap between an inner element and an outer element where advertising material can be placed in the gap.

Abstract: A system and method for mounting a badge to a component of a vehicle is provided. The system comprises a mounting base including first and second fastening apertures defined therein, and a trim ring coupled with the mounting base having an opening defined therein. The badge is adapted to be securely mounted between the trim ring and the mounting base so that the badge is positioned within the opening in the trim ring. The system further includes a flexible fastening member that is configured to be positioned within the first and second fastening apertures, positioned around at least a portion of the component of the vehicle, and between the mounting base and the badge to fasten the badge to the vehicle.

Abstract: A device includes a light transmitting film defining a lightguide region. A first region is defined within the lightguide region representing a region of one or more of an indicia, a graphic, and an image that is visible by light extraction when illuminated by light propagating within the film in a waveguide condition, wherein the first region includes a plurality of light extraction features that redirect a portion of light traveling within the film in a waveguide condition out of a first face of the opposing faces of the film in the first region, and the first region has a luminance less than 50 cd/m2 when illuminated with 1000 lux of diffuse light when disposed on an opening of a light trap box comprising a plurality of walls and a black, light absorbing material lining the plurality of walls. A method of making or producing a device is also disclosed.

Abstract: A display presenting a multi-faceted illumination effect includes a housing having an opening and a light source within the housing. A cover at least partially covers the opening of the housing and has a plurality of facets that are angled with respect to each other. One or more of the angles are formed such that facets abutting at the angles are visibly distinct to an observer outside the housing when illuminated by the light source within the housing to produce the multi-faceted illumination effect.

Abstract: A light film apparatus having an illuminated graphics panel with at least two segments that can be individually powered. A controller manages a power which is delivered from a power supply to each of the segments, so that each of the segments is either powered on, powered off or powered to an intermediate level. With the independent control of power to the different segments, it is possible to create a three-dimensional appearance of a moving image from a generally two-dimensional panel arrangement. A housing can be mounted so that the graphics panel abuts or is closely mounted to a mounting surface.

Abstract: The present invention includes an illuminated sports insignia for a vehicle comprising: a sports insignia; a body portion, where said body portion is behind the sports insignia; a bulb within the body portion; and a plug extending from the body portion, where said plug provides a means to connect to a trailer hitch receptacle. In one particular embodiment, the illuminated sports insignia includes an oval shape. Alternatively, the illuminated sports insignia may include a rectangular, a square or an octagon shape. The illuminated sports insignia may be synced with the brake lights of the vehicle.

Abstract: An electronic sign with multiple direction positionable rear access doors, wherein sliding rear access doors are utilized to provide for access to the inner regions of the electronic sign while maintaining a thin profile. One or more of a plurality of sliding rear access doors can be disengaged from a back panel and urged rearwardly a minimal distance and then positioned laterally and unobtrusively along the length of a top track opposing a bottom track allowing the electronic sign to maintain a thin and unobtrusive profile.

Abstract: A street sign method, system and apparatus includes at least one translucent sign face, a solar photovoltaic panel system for generating electrical energy from sunlight, a rechargeable battery system for storing the electrical energy during the day, at least one Light Emitting Diode (LED) powered by the electrical energy stored in the rechargeable battery system, and a control circuit powered by the rechargeable battery system and configured to operate the at least one LED to illuminate the at least one sign face. The control circuit is configured to calculate an amount of electrical power that can be supplied from the rechargeable battery system to the at least one LED so that said the at least one LED operates at a relatively constant level of LED light output brightness during substantially the entire night time hours based on solar energy supplied to the rechargeable battery system during the previous daytime hours. The street name sign is mountable to a post or pole.

Abstract: A stereopsis aqua-lamp photo frame assembly includes a base inside which a light-emitting element that generates heat is mounted. The base supports thereon an aqua-lamp photo frame that has front and rear surfaces respectively forming front-side and rear-side recessed chambers. One of the recessed chambers receives and holds therein a photo or a picture. The aqua-lamp photo frame forms therein a flow channel at a portion thereof corresponding to the two recessed chambers, whereby the heat generated by the light-emitting element causes a low boiling point flowable medium contained in the aqua-lamp photo frame to flow and spangles contained in the flowable medium entrain the flowing medium to pass through the flow channel, serving as embellishment of the photo or picture, thereby enhancing a stereopsis effect of the photo frame.

Abstract: A display panel including a translucent carrier element that has an inner side, an outer side, and a display area is provided. At least one display element is arranged within the display area, the display element being formed by geometric structures realized as protrusions and/or depressions on both of the inner side and the outer side of the translucent carrier element. The display panel can be used in an information display that in particular comprises at least a light emitting element for backlighting the display element. The information display can be used in an appliance such as an electric toothbrush, wherein the protrusions and/or depressions integrally formed with the translucent carrier element.

Abstract: A signage system comprises a plurality of signs adapted to be mounted on a shelf or other such merchandise display device. The signs include a mounting portion, for attaching to the shelf, and a sign portion. The sign portions are provided with a shape corresponding to common shapes of traffic or road signs. The system of the invention may therefore be used to attract or direct customers to certain specific products.

Abstract: A visual notification device comprising a clip having a visual presentation may be attached to a food or drink container to indicate that a consumer who has temporarily left their seating or standing location, or food or drink container unattended, will return thereby avoiding the loss of a seating or standing location, or the disposal of unconsumed food or drink. The clip includes head with a front and rear face for displaying visual information such as text, an image, a logo, a trade name, an emblem, etc., an elongated body, a clip leg extending from the back of the clip behind the body, and a cap for connecting the assembly to a key ring or other attachment device.

Abstract: An application for a logo with an adjustable internal lighting includes an illuminated logo, a sensor and a circuit that controls the illuminated logo. The brightness and/or color of the illuminated logo are controlled by the circuit based upon ambient light and optionally, a user preference, operating mode and/or time-of-day. The sensor detects ambient light and signals the circuit to increase or decrease the brightness of the illuminated logo.

Abstract: An LED water-proofing diffuser embedded into the shell plate, said LED water-proofing diffuser includes an LED baseplate retaining shell, which is a 3D holding space formed by an end wall and a circumferential flange. An LED assembly port is formed at the other end of the circumferential flange. An LED diffusing portion has a hollow shape protruding from the end wall of the LED baseplate retaining shell. The LED diffusing portion is available with light transmittance. An embedded positioning portion is integrally formed onto the exterior of the end wall or circumferential flange of the LED baseplate retaining shell. Said embedded positioning portion can be embedded securely into the hole of existing shell plate. Said LED water-proofing diffuser can be assembled with a single or several LED units, and waterproofing is made possible within the space of the LED water-proofing diffuser.

Abstract: The invention provides a lighting arrangement comprising a carpet structure, and a control unit, The carpet structure comprises a carpet back lighting system comprising a carpet back lighting unit having a lighting unit front face and a unit back face. The lighting unit front face comprises a light source arranged to generate light. The carpet back lighting system comprises a plurality of said light sources. The carpet structure comprises a light transmissive carpet unit comprising a carpet unit front face and a carpet unit back side. The light transmissive carpet unit is selected from the group consisting a carpet and a carpet tile. The lighting unit front face of the carpet back lighting unit and the carpet unit back side of the light transmissive carpet unit are adjacent. The light transmissive carpet unit is arranged to transmit at least part of the light travelling in a direction from the carpet unit back side to the carpet unit front face.