Abstract: An information display device illuminates a light pipe, and includes a controller to regulate the power levels delivered to a light source, thereby regulating the amount of light delivered to the light pipe. Alternatively, the information display device delivers visual data, including alpha-numeric characters, predetermined images, or a controlled phasing. The information display device may be utilized to illuminate information associated with the structure. The illumination system provides the ability to phase between different colors, as well as blended colors. Accordingly, an information display device phases between varying colors, and may blend colors to create color schemes. The illumination system includes a control module disposed within the structure to control device parameters.

Abstract: A light guide plate (LGP) includes a first surface, a second surface, and a plurality of light incident surfaces. The first surface is a light-emitting surface. The light incident surfaces connect the first surface and the second surface. The second surface has a plurality of ring-shaped grooves. Depths of the ring-shaped grooves are gradually decreased from a place close to a center of the LGP towards places close to the light incident surfaces. Each of the ring-shaped grooves has a first ring-shaped side wall surface and a second ring-shaped side wall surface. The second ring-shaped side wall surface is opposite to the first ring-shaped side wall surface and located between a geometry center of the ring-shaped groove and the first ring-shaped side wall surface. The first ring-shaped side wall surface is a tilted surface. In addition, a light source apparatus is also provided.

Abstract: Disclosed is a display device including a plurality of channels for forming a specific pattern, in which each of the channels includes: a light source module comprising one or more light sources for generating optical signals having different wavelengths; a driving module for controlling on/off or strength of the optical signal generated in the light source module; an optical waveguide for transferring the optical signal generated in the light source module to an outside without a loss of the optical signal; and a scattering pattern for scattering the optical signal transferred through the optical waveguide and displaying the scattered optical signal to the outside.

Abstract: The invention provides amongst others a light emitting tufted carpet with a primary backing layer permeable to light, an optional adhesive layer, a waveguide comprising a light out-coupling site, and an optional secondary backing layer. The primary backing layer is provided with tufts. The waveguide is arranged to couple light source light of a light source in as waveguide light, and arranged to couple waveguide light out at the waveguide light out-coupling site to provide carpet light. The waveguide light out-coupling site is below the primary backing layer.

Abstract: One embodiment of the invention proposes a light-emitting device comprising a radiation source for the emission of a radiation having at least a first wavelength, and an elongated, curved light-guiding body, into which the radiation emitted by the radiation source is coupled and which couples out light at an angle with respect to its longitudinal axis on account of the coupled-in radiation having the first wavelength.

Abstract: A glass tube including quantum dots in a polymerized matrix is described. An optical component and other products including such glass tube, a composition including quantum dots, and methods are also disclosed.

Abstract: A lighting apparatus includes a housing, a light source, and sign mounting hardware. The housing includes a top surface which is also a top surface of the entire lighting apparatus. The top surface of the lighting apparatus includes attachment means for coupling the lighting apparatus to light mounting hardware to suspend the lighting apparatus from a bottom surface of a crossarm of a sign post in a mounted position, so that the entire lighting apparatus suspends below a bottom surface of the crossarm of the sign post in the mounted position. The light source is within an internal compartment of the housing. The sign mounting hardware is coupled to the housing. The sign mounting hardware is configured to suspend a sign from the lighting apparatus, so that the entire sign suspends below the lighting apparatus in the mounted position.

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: The present invention relates to a gaming machine having a light source and one or ideally a series of lighting positions that are illuminated, via optical pathways that are suitably in the form of optical fibres that transmit light from the light source to the or each lighting position. The light source may have a light filter that operably controls the colour and intensity of light illuminating from the lighting positions depending on the outcomes of the game being played. The present invention also relates to a network of the gaming machines and a centralised light source, wherein optical pathways, suitably in the form of optical fibres, transmit light from the light source to the light positions of two or more gaming machines. The network may also include a controller to control illumination of the lighting positions, including colour of the light and intensity of the light based on data received from an outcome determiner of one or more of the machines of the network.

Abstract: The invention relates to carbodiimide compounds of the general formula (I) EA2-y Si(CN2)4-xOx:Euy where EA stands for one or more elements selected from Mg, Ca, Sr, Ba or Zn and x stands for a value from the range from 0 to 3.9 and Y stands for a value from the range from 0.01 to 0.4, and a process for the preparation of these phosphors and the use thereof as conversion phosphors or in lamps.

Abstract: An illuminating device includes a hot-cathode fluorescent tube (discharge tube) and a light emitting surface that emits light from the hot-cathode fluorescent tube. An auxiliary light emitting portion is provided in the vicinity of a non-lighting region of the hot-cathode fluorescent tube. The auxiliary light emitting portion includes an optical fiber having an incident portion for receiving light from the hot-cathode fluorescent tube, and a light guide plate that receives light from the optical fiber and emits the incident light toward the light emitting surface.

Abstract: A backlight assembly includes; a light source including a light emitting surface through which a light exits and an optical member including a first surface disposed adjacent to the light source and a second surface disposed substantially opposite to the first surface, wherein the optical member covers the light source and guides the light therethrough, wherein the optical member includes; an incident surface to which the light is incident, the incident surface being connected with the first surface corresponding to the light source, an optical pattern disposed on the second surface and corresponding to the light source, the optical pattern reflecting a first light of the light incident through the incident surface through total internal reflection and a light guide pattern disposed on the first surface, wherein the light guide pattern directs the reflected first light to an exterior of the optical member.

Abstract: A reaction-testing system is provided to simulate motion to an individual. Generally, the reaction-testing system includes a motion-simulating device, a reflective device, a control unit, and an input device that is activated by an individual In exemplary embodiments, the motion-simulating device includes a beam that accommodates a first and second plurality of light sources capable of, at least, alternating between an active and idle condition. These light sources are arranged amongst occlusion features in a mounting pattern such that light emitted from the first plurality is directly viewable by an individual and light emitted from the second plurality is indirectly viewed by the individual through the reflecting surface. The control unit is configured to sequentially activate the light sources sequentially to generate pulses of light on that, when perceived by the individual, appear as a light moving along a vector.

Abstract: A light device for a bicycle wheel that includes a body having a rim end and a hub end, a row of at least seven independently controllable lights extending between the rim end and the hub end, electronic controls for the lights, and three mounts for securing the body to spokes of the wheel. A first mount is located near the hub end to secure the body to a first spoke. A second mount is located near the rim end to secure the body to the first spoke. A third mount is located on a side of the lights opposed to the first and second mounts and between the first and second mounts to secure the body to the second spoke. Each of the mounts includes a mounting pad located between the body and the spokes and made of a resiliently deformable material to dampen vibration and offset the body and lights from the plane of the spokes. Each of the mounts also includes an attachment clamping the mounting pad between the body and the spokes.

Abstract: The invention relates to an illumination device (1) comprising an optical waveguide (2) and a number of (connections for) light sources (3)—especially LEDs—positioned along the waveguide (3). This waveguide has a central axis (4) at a distance r to the surface of the waveguide, said surface comprising a light entrance surface (6) on which the (connections for) light sources are positioned and a curved light exit surface (5), wherein, viewed along the circumference of the curved surface (5), the distance r to a first intersection (8) between the flat surface (6) and the curved surface (5), changes to a second distance of different value at the second intersection (9) between said surfaces. The invention also relates to a luminaire comprising such an illumination device (1). Due to the special design of the waveguide (2), the amount of reflections of light in the light sources is largely reduced and desired shaping of the exiting beam can be realized.

Abstract: A lighting display system having an anti-theft feature has a mounting structure having at least one mounting plate having a front side and a back side, first and second conductor lines carried by the at least one mounting plate, and a plurality of luminescent bodies, wherein each of the plurality of luminescent bodies has first and second contact plugs exposed at a back side of the luminescent body and connected to the first and second conductor lines where a line extending between centres of the first and second contact plugs is oriented at an angle of more than 105° or less than 85° relative to a direction of extension of the first conductor line, and a plurality of light sources electrically connected to the first and second conductor lines via the first and second plugs and fixing members.

Abstract: A backlight unit does not show decrease of brightness for the frontal direction even when made thin-shaped. An edge light type backlight unit 1 includes a light conducting plate 14, a light source 13 disposed along at least one end portion of the light conducting plate 14, and a light diffusing film 15 disposed on a light projecting surface of the light conducting plate 14. The light conducting plate 14 has a thickness of 1.0 mm or smaller, the light diffusing film 15 has a light diffusing layer formed from a binder resin and a light diffusing agent, wherein the coefficient of variation of particle size distribution of the light diffusing agent is in the range of 30% or smaller.

Abstract: A method for incorporating optical fibers into sheet materials, such as fabrics, creates a structure which can be incorporated into items such as plush toys. Optical fibers are made to pass through the sheet material in a desired arrangements. Ends of the optical fibers are enlarged such that they will not readily pass back through the fabric. The ends are then covered with material that permits light to pass therethrough. The resulting structure can be readily incorporated into an item, such as a plush toy.

Abstract: An exemplary system comprises a power regulator and an emitting apparatus. The emitting apparatus is typically attached to or integrated with a display object, such as a merchandise package or container. A support structure, such as a point of purchase display, typically contains or supports one or more power regulators and display objects. The power regulator comprises a controller and a primary inductor, and the controller is adapted to provide a voltage or current to the primary inductor to generate a first primary inductor voltage. The emitting apparatus comprises an illumination source and a secondary inductor coupled to the illumination source. The illumination source is adapted to emit visible light when the power regulator is in an on state and when the secondary inductor is within a predetermined distance of the primary inductor. In exemplary embodiments, the first and second inductors are substantially planar.

Abstract: An illumination device includes: a light source including a substrate and a light emitting device mounted on the substrate; a light guide unit mounted on the substrate to cover the light emitting device and guiding light from the light emitting device to an upper side of the substrate to allow the light to be emitted from the upper side; and a main body unit having the light source fastened thereto and including an external connection unit connected to an external power source to supply power to the light source.

Abstract: An optical fiber display apparatus includes a housing, a holding member moveable about a pivot point axis functionally connected to the housing, and one or more fiber optic strands having a first end attached to the holding member and a second end unrestrained. The fiber optic strands define a longitudinal axis, and the pivot point axis of the holding member is non-parallel to the fiber strands axis such that movement of the holding member about the pivot point axis causes the second unrestrained end of the fiber strand to move back and forth along a line that is non-parallel to the longitudinal fiber strand axis. A light source illuminates the first end of the fiber strands, so that light emits from the second end of the fiber strands.

Abstract: A multi-axial light guide module comprises a light guide, a light-emitting unit, a display unit and a light-guiding unit. The light guide has a light-emitting portion connects to a curved portion, wherein the light-emitting portion has at least two axial light-emitting planes to generate at least two axial light-emitting effects; the display unit has a first axial display layer corresponding to a first axial light-emitting plane, and a second axial display layer corresponding to a second axial light-emitting plane; the light-guiding unit is disposed on the light emitting portion, so as to enhance the light-emitting efficiency of the light-emitting portion; and, through the display unit and the light-guiding unit, the light-emitting and display effects of the multi-axial light-emitting plane on the light-emitting portion can be improved. Thereby, users may conveniently see the light-emitting display from different axial planes, in order to achieve the purposes of message prompt and indication.

Abstract: A structured light generator for illuminating a scene comprising a light source and a light guide comprising a tube having a longitudinal axis and having substantially reflective sides arranged to project an array of distinct images of the light source towards the scene in the manner of a kaleidoscope, wherein including a light deflection element to redirect light so that the projection axis and the light guide axis are angled with respect to one another. In this way the light guide, which is typically an elongate structure, can be ‘folded’ away from the direction of light projection, which offers advantages in terms of packaging of the light generator where thickness in the direction of projection is desirably minimised.

Abstract: An LED indicator lamp includes a shell, at least an LED module, a driving and controlling circuit board, a rechargeable battery and a plurality of solar panels. The shell has indicating words formed thereon. The shell and indicating words have different hues so that the indicating words can be easily recognized. The LED module is received in the shell to lighten the shell and highlight the indicating words. The driving and controlling circuit board is received in the shell to drive and control the LED module to lighten. The rechargeable battery is received in the shell to provide the LED module with electrical power. The solar panels are fixed on an outer surface of the shell to capture sunlight and convert it to electrical power to charge the rechargeable battery.

Abstract: An electronic incense assembly includes a number of electronic incense sticks, a light source, a converging lens, a fiber optic coupler, and a number of fibers. Each of the electronic incense sticks includes a transparent tube having a first end and a second end, a bubble forming at the first end, an opaque coating on the outer surface of a part of the tube adjacent to the first end. The light source is for emitting light. The converging lens is for converging the light. The fiber optic coupler includes an input for receiving the converged light and a plurality of outputs and is configured for transmitting the converged light entering the input to the outputs. The fibers connect to the outputs respectively and extend through the tubes to the bubbles respectively.

Abstract: A display unit for a vehicle includes an electronic display and a light guide coupled to a portion of the display.

Abstract: A display device for a vehicle includes a display unit, a display layer, and a light guide.

Abstract: An electronic device includes a design panel 12 made of a resin and a light guide lens 16 that is attached to the design panel 12 so as to guide light from a light source to the outside. An insert hole 20 that is a through hole whose shape is commensurate with the light guide lens 16 is formed in the design panel 12. The light guide lens 16 is inserted into the insert hole 20 by elastically deforming a rim of the insert hole 20 when the light guide lens 16 is pushed into the insert hole 20, to thus be attached to the design panel 12. Auxiliary grooves 22 that promote elastic deformation are formed in a neighborhood of the rim of the insert hole 20.

Abstract: Disclosed is a liquid crystal display (LCD) device capable of improving a use efficiency of light emitting diode (LED) printed circuit boards (PCBs) by configuring the existing plate type LED PCBs in a bar type so as to reduce an area used, the LCD device including, an LCD panel configured to display images, a backlight unit disposed at a lower portion of the LCD panel for providing light to the LCD panel, and provided with a plurality of light emitting diode (LED) printed circuit boards (PCBs) formed in a bar type, and a plurality of LEDs disposed on each of the LED PCBs to be spaced apart from each other, and casing components including a mold frame for receiving and fixing the LCD panel and the backlight unit, an upper cover and a bottom cover.

Abstract: A frame-supported vehicle, such as a bicycle or the like, has at least one frame component made of a light diffusing or fluorescent translucent or transparent material to form a leaky light pipe, and at least one light source in light communication with the frame component, whereby light propagates within the frame and is visible from outside the frame by diffusion or fluorescence or a combination thereof. The bicycle is highly visible at night, and may carry logos or other indicia that are enhanced by the background illumination, which may be redirected out of the tube.

Abstract: An illumination device for a display device has cold cathode tube lamps capable of being driven in parallel, a first holding member having holders equivalent in number to the number of the cold cathode tube lamps and each holding one end of each lamp, a second holding member having holders equivalent in number to the number of the cold cathode tube lamps and each holding the other end of each lamp and an electric power source device. Harness lines connected to one end of the electric power source device and the first holding member are interconnected at multiple points, and harness lines connected to the other end of the electric power source device and the second holding member are interconnected at multiple points. This reduces uneven brightness. The illumination device for a display device can be used as backlight for a liquid crystal TV.

Abstract: A liquid crystal display module displays an image on a liquid crystal panel. The liquid crystal module includes a liquid crystal panel and a backlight assembly. The backlight assembly includes a reflecting sheet having a raised portion that receives a light source and supports a diffusing sheet and/or optical sheet positioned between the liquid crystal panel and the light source.

Abstract: A Precision Approach Path Indicator (PAPI) unit comprises first and second light sources and a projection lens assembly. Light emitted by the first and second light sources is collected by first and second solid waveguides respectively and is guided by said waveguides to an intermediate plane. The intermediate plane is located in the focal plane of the projection lens assembly.

Abstract: A light guide ring unit includes a first annular surface, a second annular surface opposite to the first annular surface and an inner side surface connecting the first annular surface and the second annular surface. The first annular surface defines a plurality of first elongated grooves extending along a radius of the first annular surface. The second annular surface defines a second groove extending along a radius of the second annular surface. The first annular surface receives light from a light source, and the light is reflected by the inner walls of the second groove.

Abstract: A backlight controller for driving multiple light emitting diode (LED) strings includes feedback circuitry, phase array circuitry, and encoder circuitry. The feedback circuitry generates multiple feedback signals indicative of currents flowing through the LED strings respectively. The encoder circuitry generates a code signal indicative of a total number of operative LED strings among the multiple LED strings based on the feedback signals. The phase array circuitry generates multiple saw tooth signals according to the code signal. A phase shift amount between two adjacent signals of the saw tooth signals is determined by the total number of the operative LED strings. The phase array circuitry compares each of the saw tooth signals with a dimming control signal to generate multiple phase shift signals so as to respectively control the operative LED strings.

Abstract: The invention relates to a display apparatus with a display unit, having means for background lighting at the back of the display apparatus. According to the invention, the means for background lighting comprise two illumination units being provided at the right-hand and left-hand of the display apparatus, said illumination units being formed as substantially vertically positioned, longitudinal light guides comprising means for coupling out light, each of the light guides being provided on at least one of its ends with a light source. The light sources preferably comprise colored LEDs.

Abstract: A linear light source device includes a light guiding member formed of a transparent body and an LED element arranged to face an end of the light guiding member. A plurality of recesses or projections are formed in a circumferential direction on the transparent body. Light from the LED element incident on the recesses or projections is reflected by the recesses or projections and travels toward the side of the light guiding member opposite to the recesses or projections to be emitted to the outside.

Abstract: An information display device illuminates a light pipe, and includes a controller to regulate the power levels delivered to a light source, thereby regulating the amount of light delivered to the light pipe. Alternatively, the information display device delivers visual data, including alpha-numeric characters, predetermined images, or a controlled phasing. The information display device may be utilized to illuminate information associated with the structure. The illumination system provides the ability to phase between different colors, as well as blended colors. Accordingly, an information display device phases between varying colors, and may blend colors to create color schemes. The illumination system includes a control module disposed within the structure to control device parameters.

Abstract: An edge-lit back plate has two mounting frames coupled to opposite longitudinal side surfaces of a back plate including a laminate body with a reflector, a light guide and a diffuser. At least one light source assembly is located within a recess of each mounting frame and positioned adjacent to one of the longitudinal side surfaces of the laminate body. The edge-lit back plate is configured to be installed on a rack to illuminate products on such rack.

Abstract: A device for transilluminating a film has a light exit emitting with a light beam for transilluminating the film, a transillumination region for guiding the film such that the light beam can transilluminate the film in the transillumination region, a film feed for feeding the film to the transillumination region and a film removal for removing the film from the transillumination region. The device moreover includes a hollow chamber with a diffusely reflecting inner surface and a light entrance opening receiving light from a light source and an exit opening, as well as an optical guide having a beam entrance end and a beam exit end. The beam entrance end is arranged such that light exiting from the exit opening of the hollow chamber at least partially enters through the beam entrance end into the optical guide.

Abstract: The present invention relates to a lighting device having a planer optical fiber and at least one light source device for illuminating a controllable spatial light modulator, wherein the optical fiber comprises a light-conducting core and a cover coating, and the light modulator comprises a pixel matrix, the light source device is disposed on the side of the optical fiber, and the light emitted by at least one light source of the light source device propagates laminarly in the optical fiber. The lighting unit according to the invention is characterized in that the planar optical fiber comprises a deflecting coating having a selective polarization function for laminarly decoupling and deflecting the evanescent wave field of the light propagating in the optical fiber, wherein the thickness of the cover coating reduces in the direction of light propagation.

Abstract: The disclosed annular light guide illuminator (10) is operable to guide light from its entry surface (12) to its exit surface (16) for illuminating a zone (17) at its distal end (19), and comprises a truncated-cone-shaped inner cavity (18) of which base opens onto said distal end (19), and of which truncated summit (20) opposite to said base opens onto an inner hole portion (21) for back transmitting light reflected/emitted from said zone. An optical scanner implementing said illuminator is also disclosed.

Abstract: A system of signal emitting modules is disclosed. The modules emit light or other signals to warn oncoming traffic that a road or other pathway has changed or is traversing a tortuous pathway. The modules are interconnected in a sequence so that they flash on and off in a pattern that leads the driver or observer along a path with less confusion than with randomly flashing or steady lights or reflectors. The modules are self-powered and can be arrayed first and programmed following deployment. The programming can be done with “mesh” technology, an external controller, or by dialing a specific number in each of a plurality of distributed controllers. The modules can improve highway safety by reducing driver confusion. The modules are arrayed to prevent a driver from seeing them from an oncoming direction. The driver coming from the opposite direction will have his or her own guiding system.

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: An illumination system (1) is based on a window (21) having controllable transmittance and a light guide system (31) arranged for transferring light from a light guide input (33) to a light guide output (34). The light guide output is located in a same space (50) as the window (21), but at a distance therefrom (21). The illumination system includes elements for balancing (40) the transmittance of the window and a throughput of the light guide system. Preferably, the window is an outer window, the light guide input (33) is arranged for gathering day light and the light guide output (34) is arranged to illuminate an area (52) within sight from the window (21). Preferably the transmittance of the window (21) and/or the light throughput of the light guide system (31) are controlled. A method for illuminating a space (50) having a window (21) with controllable transmittance is presented.

Abstract: An exemplary system comprises a power regulator and an emitting apparatus. The emitting apparatus is typically attached to or integrated with a display object, such as a merchandise package or container. A support structure, such as a point of purchase display, typically contains or supports one or more power regulators and display objects. The power regulator comprises a controller and a primary inductor, and the controller is adapted to provide a voltage or current to the primary inductor to generate a first primary inductor voltage. The emitting apparatus comprises an illumination source and a secondary inductor coupled to the illumination source. The illumination source is adapted to emit visible light when the power regulator is in an on state and when the secondary inductor is within a predetermined distance of the primary inductor. In exemplary embodiments, the first and second inductors are substantially planar.

Abstract: A liquid crystal display has a frame including a base and a reinforced portion extending from the base, the reinforced portion defining a partial edge of the frame. The liquid crystal display further includes an optical sheet on the base, the optical sheet including a backlight unit, a flexible printed circuit on the optical sheet, and a liquid crystal display panel comprising a large scale integrated circuit, the liquid crystal display panel substantially covering the optical sheet. A window is attached to and substantially covers the frame at least one support extends from the base for supporting the window and/or the backlight unit.

Abstract: The present invention relates to a floor panel and a flooring with a preferably continuous and unbroken front face, which is at least partially light transmitting and which has a light pattern/sign at the front face.

Abstract: A display assembly includes a light pipe having re-directing channels defined therein. When a light source is provided in a compartment of the light pipe, light admitted from the light source to the light pipe emits from a front face of the light pipe. In addition, light emitted from reflective surfaces spaced apart from external surfaces of the light pipe combine with light emitted through the front face to provide glow regions of light resulting in symmetric uniform illumination of the display.

Abstract: An illumination device is a device which irradiates light to a reflection-type display panel in which a liquid crystal is sandwiched between a pair of substrates. The illumination device includes a light emitting portion formed such that an organic EL layer is sandwiched between the pair of substrates. A first electrode which is in contact with the organic EL layer includes a metal portion and a transparent portion through which light can transmit. Light does not transmit through the metal portion provided at the viewing side. Further, the illumination device includes a microlens array arranged so as to cover the light emitting portion at the viewing side of the light emitting portion.