WO2004051029A9 - Carreau lumineux - Google Patents

Carreau lumineux

Info

Publication number
WO2004051029A9
WO2004051029A9 PCT/IB2003/000945 IB0300945W WO2004051029A9 WO 2004051029 A9 WO2004051029 A9 WO 2004051029A9 IB 0300945 W IB0300945 W IB 0300945W WO 2004051029 A9 WO2004051029 A9 WO 2004051029A9
Authority
WO
WIPO (PCT)
Prior art keywords
tile
luminous
luminous tile
perimeter
light source
Prior art date
Application number
PCT/IB2003/000945
Other languages
English (en)
Other versions
WO2004051029A1 (fr
Inventor
Davide Cavalli
Original Assignee
Martini Spa
Davide Cavalli
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from ITUD20020254 external-priority patent/ITUD20020254A1/it
Priority claimed from ITUD20030053 external-priority patent/ITUD20030053A1/it
Application filed by Martini Spa, Davide Cavalli filed Critical Martini Spa
Priority to AU2003208529A priority Critical patent/AU2003208529A1/en
Publication of WO2004051029A1 publication Critical patent/WO2004051029A1/fr
Publication of WO2004051029A9 publication Critical patent/WO2004051029A9/fr

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0095—Light guides as housings, housing portions, shelves, doors, tiles, windows, or the like
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/46—Special adaptation of floors for transmission of light, e.g. by inserts of glass
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0871—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having an ornamental or specially shaped visible surface
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B3/00—Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screens; Portable devices for preventing smoke penetrating into distinct parts of buildings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/02—Specially adapted covering, lining or flooring elements not otherwise provided for for accommodating service installations or utility lines, e.g. heating conduits, electrical lines, lighting devices or service outlets
    • E04F2290/026—Specially adapted covering, lining or flooring elements not otherwise provided for for accommodating service installations or utility lines, e.g. heating conduits, electrical lines, lighting devices or service outlets for lighting
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/009—Positioning aspects of the light source in the package

Definitions

  • the present invention refers to tile elements, that is, elements having a reduced thickness and rectangular, square, polygonal, round or varied shape, coherent with the environment in which they are inserted, which deliver light from their visible surface.
  • the present invention concerns luminous tile elements suitable to be installed both on the floor and on the wall, also with normal tiles without modifying the anchoring surface below.
  • Rectangular elements which in particular conditions deliver light and are of reduced thickness are known.
  • Said rectangular elements have a luminous surface and an opaque surface and are intended for emergency signals, or for the illumination of small spaces.
  • the Applicant does not know of any luminous tiles which can be inserted in a normal tile floor, or in a wall, and which cooperate with the same base surface with which normal tiles cooperate, and which do not require for installation any other masonry work.
  • Document WO-A-02 / 095287 shows a container, of considerable thickness, which contains and positions a light conducting element, cooperating with one or more light sources; on the upper part, said element has means to disperse the light and a usable surface made of glass.
  • Document EP-A-0.308.828 shows a very complex illuminated panel, expensive and not easy to make. Furthermore, the light sources operate in the air, and disperse the light, thus reducing yield.
  • Document GB-A-2.030.750 shows a luminous wall screen with an important decorated edge which also functions as a container for the light sources.
  • the optically active element is obtained by joining a plurality of layers.
  • None of the aforesaid prior art documents is able to provide a luminous tile able to be installed like normal tiles and which has a considerable optical performance, being at the same time impermeable and simple to make.
  • One purpose of the invention is to make luminous tiles which, inserted in a floor or wall, also instead of a normal tile, can cooperate with normal tiles or with the normal decorative material (tiles, slabs, parquet, wooden strips, etc.), and are able to deliver light practically from the whole visible surface.
  • Another purpose is to obtain a tile in which the light sources are not visible.
  • Yet another purpose is to obtain luminous tiles which are easy to construct and of limited cost.
  • the Applicant has devised, tested and embodied the present invention to overcome the shortcomings of the state of the art and to obtain other purposes and advantages.
  • Luminous tiles according to the present invention can be used to obtain light patterns, preferential paths, signaling, emergencies, etc.
  • a tile is made having a thickness of between about 5 mm and about 15 mm and having a form which can be rectangular, square, hexagonal, polygonal, round or a shape defined on each occasion.
  • said tile has a thickness of between about 15 mm and about 35 mm.
  • the tile has a perimeter containing edge which hydraulically seals the part inside said edge.
  • Said perimeter edge advantageously has a reduced thickness, said thickness being between 0.4 mm and 2 mm, and can be made of metal or plastic.
  • the tile according to the invention has the light source (s) , so that it is only necessary to bring enough energy from a remote point where there is also the command and control member.
  • the tile has a body consisting of a single layer of light conducting material; said layer is made of glass.
  • said layer is made of plastic material such as methacrylate, polycarbonate, or other light conducting material suitable to let the waves of light generated by the light source (s) flow.
  • the light conducting material is colorless.
  • said material transmits the desired color.
  • the light sources according to the invention can be diodes or filiform lamps (normally having a diameter of 3 ⁇ 6 mm), fluorescent or otherwise.
  • the light sources are located either in suitable compartments, or in hollows.
  • the compartment is made at least in one edge of the body and contains the light source (s) .
  • Said hollow can be obtained by beveling an edge, or by creating at least a recess on at least part of the height of the body and along one side of the body.
  • the visible surface of the tile is worked, for example by mordanting, or sanding, or mechanical working, or a mixture thereof, in order to allow a good diffusion of the light.
  • the non-visible surface has a capacity for reflection, either because it has mirror-type reflection means, or because it is associated with a reflecting surface.
  • the edge of the body also cooperates, with at least part of its perimeter, with reflecting means in order to improve the migration of the light, advantageously with the whole perimeter thereof.
  • the light source is screened so as not to be seen from the outside.
  • Said dihedrals or prisms can be arranged in a coaxial circular development, in a coil, linearly, cross-wise, or with reducing perimeters.
  • the light source one or more according to how many are provided during the design stage, is hidden from view from the upper plane by means of screening means .
  • the containing edge provides at least an upper frame which screens the light sources.
  • the light source is located in at least one corner.
  • the light source is located at least in cooperation with one side.
  • the light source is located in at least a position inside the perimeter.
  • the luminous tile in cooperation with the compartment or the hollow, can have means for the circulation of air such as peripheral and/or central slits or channels .
  • the light source is made in a single piece with the light conducting body, incorporating it in a light conducting material, and is stably anchored, and in a substantially uniform manner, on the body.
  • Said light conducting material practically goes to saturate the space existing between the light source and the compartment or hollow, so as to conduct and convey the light towards the body.
  • a possible screen located behind the light source accentuates the directionality of the light.
  • the overall thickness of the tile is between about 5 mm and about 15 mm.
  • the overall thickness of the tile is between about 15 mm and about 35 mm.
  • - fig. 1 shows a luminous tile with a frame and light source at least on a side portion
  • - fig. 2 shows a luminous tile with filiform light sources, fluorescent or otherwise, cooperating with at least one side; it also shows a light source cooperating with a hollow present in one side;
  • - fig. 3 shows a luminous tile with a light source located below and inside the perimeter; it also shows the case of a light source cooperating with a hollow obtained in correspondence with an edge;
  • - fig. 4 shows a luminous tile with ventilation channels.
  • the number 10 denotes a luminous tile according to the present invention.
  • the tile 10 has a thickness 11 between about 5 mm and about 15 mm, coherent with the other tiles, of a conventional type, among which it is inserted and is able to be attached to a base in the same way as traditional tiles.
  • the tile 10 has a thickness 11 of between about 15 mm and about 35 mm.
  • the tile 10 has a containing edge 14 which, in this case, in figs. 1 and 4, defines above and below a frame 22 which also screens a light source 18, and at the same time creates a secure lower support.
  • the frame 22 can have the upper part of the edge 122 level with the upper plane 21, or it can be recessed, so that the upper plane 21 is uniform.
  • the containing edge 14 has preferably a thin thickness variable from about some tenths of millimeter to about some millimeters.
  • the height of the containing edge 14 is substantially equal to the thickness 11 of the tile 10.
  • the containing edge 14 may not have the frame 22.
  • the containing edge 14, that is, the upper frame 22, is anchored to a body 26, made of light conducting material, so as to hydraulically seal the whole perimeter .
  • the upper plane 21 can be treated by mordanting, sanding, mechanical working or other similar or comparable method.
  • a reflecting surface 13 cooperates with the lower plane, or base surface, or non-visible face 12.
  • the reflecting surface 13 can be obtained with a strip, chromed or polished like a mirror, or by performing a mirror treatment of the surface, for example by means of metallization .
  • a screen 30 may be provided (see figs. 1 and 4) with a thickness of between 0.4 and 1.8 mm of protection.
  • the screen 30 can include gripping means to grip with the base surface material.
  • the energy inlet is obtained with cables, advantageously flat, possibly already sealed in the edge 14 or the base surface 12, so that no humidity can penetrate.
  • the reflecting surface 13 is obtained with a strip which extends into a compartment 19 obtained on the periphery of the body 26.
  • the strip is reflecting also in the compartment 19 and has windows 16 in correspondence with the light sources 18 which consist, in this case, of LED installed on a relative printed circuit 15.
  • the reflection of the strip also in the compartment 19 serves to accentuate the luminosity of the tile 10.
  • the compartment 19, in the space left free by the light source 18, is filled with a light conducting material, so as to create a single piece between the body 26 and the light source 18, 118 and so as to give a physical continuity between the light source 18, 118 and the body 26; possible rear screens (for example, a printed circuit) improve the performance.
  • the light sources 18 are arranged on all the sides, provided that they can be arranged only on a part of a single side or on one or more corners (fig. 3) in appropriate hollows 319. Hollows 319 can also be present on one or more sides (fig. 2) .
  • the hollows 319 are substantially saturated with light conducting material, which creates a single piece between the light source 18,
  • Fig. 2 also indicates the possibility of accentuating, directing and conveying the reflection by providing, on the base surface 12, a plurality of dihedrals or prisms 23.
  • the surface 13 is advantageously reflecting.
  • the prisms or dihedrals 23 can be arranged in a coil, concentric circles, according to the profile in concentric developments, linearly, cross-wise, etc. according to the effect to be obtained.
  • a tile 10 is shown with one or more light sources 18 located inside the periphery and one light source 18 present n a corner hollow 319.
  • a compartment 219 is created which contains the light sources 18 and the relative base 15.
  • holes are made inside which the filiform light source 118 is inserted, such as a fluorescent lamp.
  • one or more screens 20 are advantageously applied, which can assume any form, such as a drawing, writing, symbol, etc., and which serve to hide the light source.
  • the necessary energy is fed by means of flat or multiple cables, advantageously extremely thin, insulated and sealed at the entrance to the tile 10.
  • small ventilation channels 27 are provided.
  • the wall 13 not only performs reflecting functions, but also heat insulation functions; or, with the surface facing the outlet of the light, it can perform signaling and/or communication functions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Finishing Walls (AREA)

Abstract

La présente invention concerne un carreau lumineux (10) qui est directement appliqué sur le sol ou sur un mur dans un espace habituel de carreau de couverture de type classique. Ce carreau lumineux (10) comprend un bord périmétrique (14) qui définit sensiblement le périmètre géométrique de ce carreau lumineux (10). Ce bord périmétrique (14) possède une épaisseur mince et une hauteur prédéterminée sensiblement égale à l'épaisseur d'un carreau classique. La partie supérieure de ce périmètre géométrique donne de la lumière. Ce carreau lumineux (10), à l'intérieur du bord périmétrique (14), est défini sensiblement par un corps unique (26) constitué d'un matériau conducteur de lumière qui possède une épaisseur (11) sensiblement égale à la hauteur du bord périmétrique (14), et il forme une seule pièce avec ce bord périmétrique (14). Le corps (26) comprend la face non visible coopérant avec un organe réfléchissant (13). Une source lumineuse (18, 118) est optiquement connectée avec le corps (26) et est noyé dans un matériau conducteur de lumière dans la masse avec le corps (26).
PCT/IB2003/000945 2002-12-04 2003-03-17 Carreau lumineux WO2004051029A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003208529A AU2003208529A1 (en) 2002-12-04 2003-03-17 Luminous tile

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ITUD20020254 ITUD20020254A1 (it) 2002-12-04 2002-12-04 Piastrella luminosa.
ITUD2002A000254 2002-12-04
ITUD20030053 ITUD20030053A1 (it) 2003-03-06 2003-03-06 Piastrella luminosa.
ITUD2003A000053 2003-03-06

Publications (2)

Publication Number Publication Date
WO2004051029A1 WO2004051029A1 (fr) 2004-06-17
WO2004051029A9 true WO2004051029A9 (fr) 2004-12-29

Family

ID=32472244

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2003/000945 WO2004051029A1 (fr) 2002-12-04 2003-03-17 Carreau lumineux

Country Status (2)

Country Link
AU (1) AU2003208529A1 (fr)
WO (1) WO2004051029A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20040867A1 (it) * 2004-12-10 2005-03-10 Giancarlo Miani Formella calpestabile retroilluminata per pavimenti e rivestimenti murali in genere
DE102006057071B3 (de) * 2006-11-29 2008-04-10 Sven Quitschau Mineralisches Bauelement mit integriertem Leuchtmittel, Verfahren zu dessen Herstellung und Leuchtmittel
FR2989151B1 (fr) * 2012-04-04 2014-04-25 Cooper Technologies Co Luminaire a diodes electroluminescentes avec diffusion homogene de lumiere

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3049459A (en) * 1959-10-01 1962-08-14 American Biltrite Rubber Co Luminous floor or wall covering and method of manufacture
GB2101289B (en) * 1981-06-19 1985-05-30 Braam Timothy Van Lighting apparatus
GB9006767D0 (en) * 1990-03-27 1990-05-23 French Stephen Illuminated portable dance floor system
DE9302731U1 (fr) * 1993-02-25 1993-06-03 Maier-Glas Gmbh, 7920 Heidenheim, De
WO1996016348A1 (fr) * 1994-11-24 1996-05-30 Hitachi Ltd. Dispositif d'affichage a cristaux liquides
JPH09302904A (ja) * 1996-05-10 1997-11-25 Takayoshi Tanabe 蓄光性蛍光材を埋設した床タイル（ビニール床シート）
AU7455898A (en) * 1997-05-12 1998-12-08 Kil-Woong Ki Illuminated signboard and shaded desk/floor lamp
DE19723547A1 (de) * 1997-06-05 1998-12-10 Genthe Gmbh & Co Dr Preßglasfliese
GB9918821D0 (en) * 1999-08-11 1999-10-13 Signwaves Limited Edgelit display panel assembly
GB2376287A (en) * 2001-05-18 2002-12-11 Michael Gulvin Russell Luminous tile

Also Published As

Publication number Publication date
WO2004051029A1 (fr) 2004-06-17
AU2003208529A1 (en) 2004-06-23

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