Illuminated panel for escalator, moving sidewalk or lift

FIELD: lighting.

SUBSTANCE: panel (20) illuminated by at least one lighting device has a structure comprising a plurality of layers (61, 62, 63, 64, 65). The side surfaces (61A, 61B, 62A, 62B, 63A, 63B, 64A, 64B, 65A, 65B) of each layer (61, 62, 63, 64, 65) are limited in their planar extension by the section (61C, 62C, 63C, 64C, 65C) of the edge. The layers (61, 62, 63, 64, 65) of the structure are adjacent to each other by their side surfaces (61A, 62A, 62B, 63A, 63B, 64A, 64B, 65B). The first layer (61) is a reflective coating (61), the second layer (62) is a transparent plate (62) made of polymer material, with the possibility of illumination along the edges containing light-scattering particles, the third layer (63) is the first glass plate (63), the fourth layer (64) is a transparent polymer layer (64), and the fifth layer (65) is the second glass plate (65).

EFFECT: increased uniformity of lighting.

29 cl, 5 dwg

 



 

Same patents:

FIELD: transport.

SUBSTANCE: set of inventions relates to lighting device for vehicle, in particular to headlamp. Vehicle contains lighting device including running lamp (2) turning indicators (3). In front of the running lamp (2), the first cover (5) is installed through which part of light generated by signal lamp is emitted. In front of the turning indicator (3) the second cover (6) is installed. The first and the second covers (5, 6) bear against trim element (8) made in the form of blind. Part of light generated by running lamp (2) is directed via light guide built in trim element (8) to the area (9) of direction indicator (3) and is emitted in the area (9) of direction indicator (3) through additional cover (6).

EFFECT: creation of lighting device for vehicle which both permits to observe corresponding legislative instructions and to implement unusual design.

9 cl, 2 dwg

FIELD: electricity.

SUBSTANCE: backlighting device (20) comprises a substrate (22), where multiple point sources of light are placed in the form of light diodes (21), and slots (23), which are also arranged on the substrate. Multiple point sources of light include the first point source of light (21), which is placed near the slot (23), and the second point source of light (21), which is placed in a position distant from the slot (23) compared to the first point source of light (21). The light beam in the surroundings of the slots is higher than the light beam in the area different from the surroundings of the slots.

EFFECT: reduced heterogeneity of brightness of a display panel without increase in number of process operations.

15 cl, 12 dwg

FIELD: technological processes.

SUBSTANCE: invention is related to the field of sheet organic glass production by means of polymerisation in mass of ethers of (meth)acrylic acid, which is used for production of neutral light filters that are used in personal protection gear (glazing of protective helmets of pilots) and in glazing of sport airplanes. Method is suggested to produce sheet organic glass for neutral light filters by means of (co)polymerisation in mass of methyl methacrylate or its mixtures with methacrylic acid or its ethers in the presence of UV-absorber, initiator of radical polymerisation and light-absorbing additive - product of methane pyrolysis, which includes prepolymerisation of monomer, realisation of ultrasonic effect at prepolymer with light-absorbing additive and depolymerisation of prepared mixture in plane-parallel form until full conversion, at that as light-absorbing additive functionalised carbon nano-tubes are used with implanted COOH groups, and prepolymerisation is performed in the presence of light-absorbing additive, and prior to depolymerisation to prepared prepolymer additionally monomer is added in mass ratio 1:(0.5-1.5) accordingly.

EFFECT: production of sheet organic glass for light filters with increased mechanical properties with preservation of its spectral characteristics.

2 cl

FIELD: light engineering.

SUBSTANCE: light-emitting member comprises light-diode source that emits ultraviolet or close to it radiation, surface body mounted on its face. The surface body is made of optically transparent resin provided with optically transparent inorganic particles uniformly distributed throughout the resin bulk and fluorescent material and/or luminescent solid. The diameter of particles ranges from 180 μm to 9.5 mm.

EFFECT: expanded functional capabilities.

9 cl, 4 dwg

FIELD: electricity.

SUBSTANCE: invention relates to lighting units. The light source 1 has LED module 2, at least, with one series circuit of light-emitting diodes. Terminals of the module 2 are connected to terminals of the power supply 5 which is stabilised by the output current. The power of the module 2 is greater than the power of the light source, and on separate light-emitting diodes the bridging pieces 6 are installed. Light-emitting diodes can be placed along the module surface and are connected in several series circuits, connected to each other in parallel, so that each light-emitting diode of one circuit has corresponding light-emitting diodes symmetric to it in other circuits, their similar terminals are unipotential and can be connected to each other. The light source power is regulated by switching on the ready LED module, without any changes in the light source.

EFFECT: simplification of regulation of the light source power.

5 cl, 4 dwg

FIELD: electricity.

SUBSTANCE: invention is related to electric engineering and may be used in architectural lighting and illumination control circuits. In the method for control of light fluxes of LED luminaries in a building and structures illumination system, which consists in the provision of a required astronomical time for the commencement and completion of LED luminaries operation by the master controller through a process controller in compliance with preset charts, record and/or correction of operating scenarios is made from the control room through the master controller for m LED luminaries in n process controllers, at that m≥n, and the performance of the operating scenarios is controlled for each LED luminary, whereat in the operating scenario for each LED luminary discreteness for time-variable control and the light flux fraction is preset for each discretisation interval, at that the change in the light flux for each LED luminary is carried out due to the pulse-width modulation and stabilisation of the current consumed by the LED luminary and/or supply voltage of the LED luminary, and n process controllers are synchronised by means of the master controller by periodic or nonperiodic setting of the process controllers to the initial state.

EFFECT: expanded functionality at the simultaneous simplification of the method realisation and improved reliability of control for the light fluxes of LED luminaries.

1 dwg

FIELD: electricity.

SUBSTANCE: present invention is related to lighting fixtures. In the lighting fixture comprising light sources placed at least in the first group of light sources and the second group of light sources, at that the first group and the second group of light sources are made so that they may be controlled individually; light-collecting devices, which collect light from the first group of light sources and convert the collected light into light beams of the source light; at least one beamguide containing an input and output sections, the above beamguide receives light formed by the second group of light sources in the input section and transfers the received light to the output section and the output section is made so that the received light may be emitted in the area between at least two of the above light beams of the source light.

EFFECT: light is emitted in uniform and even way.

15 cl, 19 dwg

FIELD: electricity.

SUBSTANCE: invention relates to construction and lighting engineering. The partition contains the first component (4) of the coating covered with light-emitting fabric (6), which passes in essence in vertical plane and contains the front surface with the light-emitting fabric (6), the rear surface opposite to the front one, the lower edge and the upper edge. the light-emitting fabric (6) contains optical fibres (7) passing in essence in vertical direction at the front surface of the first element (4) of the coating, at that the first ends of optical fibres are curved around the lower edge of the first component (4) of the coating in direction towards its rare surface. The first unit (8) contains light sources and means (10) intended for connecting ends of optical fibres (7) of the light-emitting fabric (6) curved around the lower edge of the first component (4) of the coating. The first unit (8) is connected rigidly to the first component (4) of the coating and supported by means of support legs (20) passing outside the limits of the lower edge of the first component (4) of the coating.

EFFECT: enlarging application area of light-emitting fabric.

12 cl, 4 dwg

FIELD: electricity.

SUBSTANCE: light beam that left the first output face passes along the first channel and gets to the first input surface of the first window. Light beam that left the second output face passes along the second channel and gets to the second input surface of the second window. The light beam is discharged from the device via the first output surface of the first window and the second output surface of the second window. At the same time arrangement of the first window and second window in the form of an optical wedge with mutually perpendicular cylindrical surfaces or in the form of an optical wedge with a diffraction structure with rated relief applied onto the first input surface of the first window and the second input surface of the second window provides for formation of angular divergence of the light beam, which has asymmetric angular dimensions along the vertical line and horizontal line and change of its direction, providing for arrangement of the lower border of the light beam on the surface of a landing strip, and also provision of the specified direction of the axis of maximum brightness of light beam.

EFFECT: simplified design, reduced dimensions and weight of a device and improved technology for assembly into a landing strip surface.

10 cl, 5 dwg

FIELD: physics.

SUBSTANCE: backlight has a solid transparent light guide (42) with a plurality of openings in the bottom surface of the light guide, each opening containing a side-emitting LED (10). Prisms or other optical elements (44, 48) are formed in the top wall of each opening to reflect light in the light guide towards a light output surface of the light guide so that the side-emitting LEDs do not appear as dark spots at the output of the backlight. To avoid any direct emission from the sides of the LED towards the output surface of the light guide appearing as bright areas, optical elements (80, 88, 94, 97) are formed at the edges of the openings or in the output surface of the light guide so that direct emission light is not output from the light guide. Substantially identical cells may be formed in the light guide using cellular walls (61, 72) around one or more LEDs.

EFFECT: high uniformity of brightness.

7 cl, 20 dwg

FIELD: electrical engineering.

SUBSTANCE: lightguide contains a covering layer and a lightguide plate having a top and a bottom surface and containing surface relief elements passing within the said lightguide plate. The covering layer and the lightguide plate are designed to that to enable conductance of light, the covering layer positioned close to the surface relief elements so that cavities are formed between the covering layer and the lightguide plate. In the crosswise side section, each surface relief element is symmetrical relative to an axis perpendicular to the covering layer flat surface. The lightguide plate thickness exceeds that of the covering layer.

EFFECT: higher efficiency of highlighting.

36 cl, 28 dwg

FIELD: transport.

SUBSTANCE: invention relates to signaling or wreck light-emitting device. Proposed device comprises cap with LED-based illumination circuit. Said cap is made from airtight transparent material with anti-crush structure. Illumination circuit incorporates storage battery rechargeable via coil connected with inductive power supply via magnetic flow for said circuit to switch on microprocessor and radio-frequency transceiver. Said cap comprises base and cover fastened together and seal arranged around the edges of said base and cover. Seal extends radially to increase base bearing surface.

EFFECT: higher stability at rest.

9 cl, 7 dwg

FIELD: electrical engineering.

SUBSTANCE: highlighting unit 12 includes light conducting elements 18. Each light conducting element 18 is configured in such a way that the maximum quantity of light is released from the light release assembly 31 area positioned closer to the front edge than the middle of the area between the light release assembly edge positioned adjacent to the light guide assembly 32 and the front edge of the light release assembly 31 when one measures the released light quantity distribution. With the help of such configuration one can additionally improve uniformity of brightness with a plane.

EFFECT: improved uniformity of brightness with a plane.

9 cl, 16 dwg

FIELD: electrical engineering.

SUBSTANCE: lamp is comprised of a body in the form of translucent tubular bulb with light diodes being located inside this bulb on the extended boards, at least in tow rows. Besides, maximums of light diodes direction patterns in each row are located under the angle to each other. The longitudinal grooves are made opposite to each other and on the internal surface of translucent tubular bulb. The body is provided with bases having their flanges located in the longitudinal bulb grooves so that they can be shifted or fixed. The extended boards of light diodes contact with the above bases. The artificial illumination method to light rooms or cages for birds and to affect birds with luminous radiation is implemented with the help of the above mentioned lamp.

EFFECT: production of durable, reliable in operation and practically feasible lamp based on light diodes with related method of artificial lighting.

8 cl, 8 dwg

FIELD: fiber-optics lighting fixtures; illumination of various objects, such as microscopes and inner cavities in medicine.

SUBSTANCE: proposed fiber-optical illuminator is provided with multi-colored light sources made in form of common plate with light-emitting diodes with red, green and blue spectral of radiation; plate is mounted in body bottom. Body is coated with light-reflecting layer; body is symmetric relative to central axis; its surface is described by second -degree equation; diameter of bottom exceeds diameter of outlet hole. According to another version, body is flat. Plate with light-emitting diodes may be spherical in shape so that optical axes of light sources should be directed to input ends of light conduit bundle. Control unit includes microprocessor for setting the color. Output ends of light conduits may be brought to light distributor made in form of cylindrical pipe or in form of torus coated with light-reflecting layer; side of pipe or torus directed to object to be illuminated has no light-reflecting coat.

EFFECT: simplified construction; reduced overall dimensions; enhanced reliability and safety.

14 cl, 17 dwg

FIELD: fiber optics; lighting fixtures for transport facilities on base of fiber-optics bundles.

SUBSTANCE: proposed method includes forming inlet end face, forming bundle, laying light conduits on outlet end face, mechanical cutting of light conduits and fastening light conduit ends on outlet end face. Outlet end face of bundle is formed at smooth distribution of light conduits over circumference. End faces of light conduits are parallel to bundle axis forming cylindrical surface.

EFFECT: enhanced re-distribution of light energy in required direction.

7 dwg

FIELD: engineering of lighting devices with side illumination.

SUBSTANCE: lighting device with side illumination has at least one lighting source, element, letting light through, at least one light output surface and at least one light input edge, in fact being perpendicular to aforementioned surface. Lighting source is positioned adjacently to light input edge in such a manner, that light from light source gets into let-through element through aforementioned edge and expands across element, while aforementioned at least one light output surface has even roughness along output surface. Let-through element maintains, in fact, even thickness with increase of distance from light source. Roughness is light enough, providing average value Ra across surface not less than 1,0 mcm/mm of element thickness.

EFFECT: increased evenness of emission across output surface.

2 cl, 6 dwg

FIELD: devices for formation of various conditions of illumination, applicable in medicine, projector and transport facilities, etc.

SUBSTANCE: the light device has a light source, concentrator of light source radiation, fiber-optic image transducer installed on the mounting flange, and a condenser lens. The light source is made in the form at least of two light-emitting diode modules positioned at an angle to each other, installed on one of them is the radiation concentrator made in the form of a transducer of the angle of radiation of the respective light-emitting diode to a convergent beam, and on the other - the radiation concentrator made in the form of a transducer of the angle of radiation to a divergent beam directed to the inlet end face of the fiber-optic image transducer so that the optical axis of the divergent light beam would cross the optical axis of the fiber-optic image transducer in the plant of the inlet end face, and the focal point of the convergent light beam would be positioned on the inlet end face of the fiber-optic transducer.

EFFECT: improved characteristics of light distributed produced by the device, reduced overall dimensions and mass of it and reduced power consumption.

16 cl, 32 dwg

FIELD: textile industry, in particular, fabrics or other textile products including illuminated fibers, and articles manufactured from textile product and provided with light source.

SUBSTANCE: textile product includes lit-through fibers and consists of fabric manufactured from interwoven threads and warp fibers. At least some quantity of warp fibers and interwoven fibers consists of lit-through filaments. At least one part of lit-through filaments having free length is not interwoven with respective lower part of fabric. Lit-through filaments are cut and released from respective lower part of fabric.

EFFECT: improved quality of textile product and articles manufactured from said textile product.

11 cl, 7 dwg

FIELD: transport engineering.

SUBSTANCE: proposed method of dynamic correction of headlight beam at cornering includes forming of beam corresponding to mode of illumination by its concentration at input of fiber optical image converter, transformation of image at output of fiber-optical image converter into configuration mirror-like to light distribution created by headlight, and projection of image formed at output of fiber optical converter on plane of roadbed, and also obtaining information on character of motion of vehicle, processing of said information and forming control signal at input of operating mechanism, processing of control signal by operating mechanism by turning fiber-optical image converter to stabilize position of light beam at tilting of vehicle in process of cornering corresponding to mode of illumination relative to plane of roadbed, said fiber optical converter being turned around optical axis of headlight. Device contains drive with control unit made in form of step motor on shaft of which sheave with cam is installed, and motorcycle position pickup relative to plane of roadbed is provided. Holders-heaves of each converter are rigidly coupled through drive sheave with each other by two elastic tapes, one end of which being rigidly fixed on drive sheave and other ends are connected to each other by tensioner. Sheave is coupled with housing through elastic element. Holders with fitted in condenser lenses are installed for turning relative to housing around drive axle.

EFFECT: provision of correction of position of headlight beams of motorcycles at cornering at steady lighting characteristics, minimum power of drive, possibility of accurate return of system into nominal position at non control signal, improved lighting characteristics of system.

6 cl, 12 dwg

FIELD: lighting.

SUBSTANCE: lighting apparatus imitates a neon light and ensures light emission of such colours, which are not possible to get when one light diode is used, by introduction of a system of colour conversion in the apparatus. This system of colour conversion involves intermediate medium, that allows light to pass through it (22), painted in given composition of one or more fluorescent dyes. The light emitted by the equipment source (16), is directed to the intermediate medium which allows light to pass through it (22), where it interacts with fluorescent dyes in it. This light partly absorbed by each of the fluorescent dyes in the medium, and the light is emitted from the medium with less energy onto a light receiving surface (12) of a waveguide.

EFFECT: obtaining light of different colours using a lighting apparatus.

47 cl, 8 dwg

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