GB2376287A - Luminous tile - Google Patents

Luminous tile Download PDF

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Publication number
GB2376287A
GB2376287A GB0112158A GB0112158A GB2376287A GB 2376287 A GB2376287 A GB 2376287A GB 0112158 A GB0112158 A GB 0112158A GB 0112158 A GB0112158 A GB 0112158A GB 2376287 A GB2376287 A GB 2376287A
Authority
GB
United Kingdom
Prior art keywords
tile
sheet
luminous
plastics material
luminous tile
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GB0112158A
Other versions
GB0112158D0 (en
Inventor
Michael Gulvin Russell
Michelle Evelyn Russell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Priority to GB0112158A priority Critical patent/GB2376287A/en
Publication of GB0112158D0 publication Critical patent/GB0112158D0/en
Priority to PCT/GB2002/002293 priority patent/WO2002095287A1/en
Publication of GB2376287A publication Critical patent/GB2376287A/en
Withdrawn legal-status Critical Current

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00—Lighting devices or systems producing a varying lighting effect
    • F21S10/02—Lighting devices or systems producing a varying lighting effect changing colors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/006—General building constructions or finishing work for buildings, e.g. roofs, gutters, stairs or floors; Garden equipment; Sunshades or parasols
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/22—Advertising or display means on roads, walls or similar surfaces, e.g. illuminated
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0073—Light emitting diode [LED]

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

A luminous tile 1 comprises a sheet of plastic material 2 that is abraded on one or both surfaces 2A, 2B, and has a recess 3 formed along one edge. At least one LED 4 is positioned in the recess to edge light the plastic material, and a diffuser layer 6 is placed on one of the surfaces of the plastic material to diffuse the light emitted. The surface abrasions provide internal reflection, which has a desirable aesthetic effect. The tile also has a frame 9 enabling mounting in a container (fig 2, 21) embedded in the floor, or on a wall plate (fig 3, 31). The tile may be used to display lettering (fig 5, 55) or other artwork.

Description

Title: Luminous Tiles T he present invention relates to luminous tiles.
According to a first aspect of the present invention there is provided a luminous tile comprising: a) a sheet of plastics material, said sheet of plastics material being abraded on one or both surfaces thereof b) a recess formed along one edge of the plastics material, c) at least one LED in the recess to edge light the plastics material, and d) a diffuser layer on one surface of the plastics material to diffuse light emitted from the surface of the plastics material.
Preferably the diffuser layer comprises a sheet of opaque plastics.
Preferably a sheet of glass is located on the diffuser layer.
Preferably the edges of the plastics sheet are sealed with a light reflective material such as a white tape.
Preferably a frame is provided for the tile. The frame may include a base and side walls extending from the base to provide a container with an open face.
Preferably a reflective layer is provided on the side of the plastics material remote from the diffuser layer.
According to a second aspect of the present invention there is provided a luminous tile mounted in a frame, and a container to receive the frame. The container may be adapted to be supported in concrete. Releasable clips may be provided to secure the tile frame in the container. The luminous tile may be of a type according to a first aspect of the present invention.
According to a third aspect of the present invention there is provided a luminous tile mounted in a frame, and a wall plate to receive the frame. Releasable clips may be provided to secure the tile frame to the wall plate. The luminous tile may be of a type according to a first aspect of the present invention. The wall plate may be adapted to receive two or more luminous tiles.
According to a fourth aspect of the present invention there is provided a luminous tile illuminated with an array of LEDs emitting the three primary colours, and means to control the intensity of each primary colour to create different colours of tiles.
According to a fifth aspect of the present invention there is provided a luminous tile in which a sheet of plastics is illuminated by two or more rows of LEDs. The LEDs may illuminate one or more edges of the plastics material and/or may illuminate a recess in the plastics material between its edges.
According to a sixth aspect of the present invention there is provided a luminous tile having an edge lit plastics sheet, a diffuser layer on one side of the plastics sheet and a glass layer on the diffuser layer, and artwork positioned between the diffuser layer and glass layer or the glass layer having artwork etched therein.
Embodiments of the invention will now be described with reference to the accompanying drawings in which: Figure I shows an exploded perspective view of a first aspect of the present invention, Figure 2 shows an exploded perspective view of a second aspect of the present invention, Figure 3 shows a perspective view of a third aspect of the present invention, Figure 4 shows a perspective view of a fifth aspect of the present invention, and Figure 5 shows an exploded perspective view of a sixth aspect of the present invention.
Referring to Figure 1 there is shown a luminous tile 1. Tile I has a rectangular sheet 2 of acrylic material. Sheet 2 is abraded on both faces 2A,2B, e.g. with 20 to 40 grit sandpaper A recess 3 is formed along one edge of the sheet 2 to accommodate an elongate array of LEDs 4. In use, LEDs 4 edge light the sheet 2. Three strips of white (and hence light reflective) tape SA,5B.SC are secured to the other edges of sheet 2.
Mounted above the sheet 2 is a rectangular diffuser layer 6 formed from an opaque polycarbonate to diffuse light emitted from the surface of the sheet 2.
A rectangular sheet of glass 7 is located on the diffuser layer.
A rectangular reflective layer 8 is provided on the side of sheet 2 remote from the diffuser layer 6. Reflective layer 8 may be formed from white powder coated aluminium.
A rectangular frame 9 is provided for the tile to support the reflective layer 8, sheet 2 and 1,EDs 4. diffuser layer 6 and glass sheet 7. The frame 9 has a base 10 and side walls 1 IA.I 113,1 IC,I ID extending from the base to provide a container with an open face 12.
A rebate 13 is provided in the upper part of the walls. The reflective layer 8, sheet and LEDs 4? and diffuser layer 6 are of a dimension such that they fit within the side walls below the rebate 13. Glass sheet 7 is of slightly larger dimension and fits in the rebate 13.
In use, the LEDs edge light the sheet 2 and light is reflected internally due to the tape SA,5B?SC and abraded faces 2A,2B to create an overall "glow" to the sheet 2. All light is reflected upwards due to reflective layer 8 which is then diffused by layer 6 to make the light emission appear uniform over the surface of the diffuser layer. The glass sheet 7 provides an aesthetic finish to the tile. The tile of Figure 1 may be mounted on the floor, e.g. as shown in Figure 2, or on a wall, em. as shown in Figure 3.
Referring now to Figure 2 there is shown a luminous rectangular tile 20 mounted in a frame. Tile 20 may be identical to tile l shown in Figure l or could be another design of luminous tile. A container 21 is provided to receive the frame. Container 21 comprises an upper rectangular tray 22 with in aperture 22A in its base leading to smaller lower rectangular tray 23. Releasable spring clips 24A,24B (only two shown) on one or more the side walls of tile 20 are designed to releasably engage with recesses 25A 25B (only two shown) on the inside walls of upper tray 22.
Such clips 24A,24B secure the tile 20 to the container 21. Lower tray 23 is designed to be embedded in concrete.
In use an array of tiles can be mounted on the floor by abutting a plurality of containers 21 in side by side relationship with side walls of the upper tray abutting side walls of adjacent upper trays, with the lower trays embedded in concrete. Electrical wires for the tiles 20 can be fed through and accommodated in the lower trove 23. Tiles can then be mounted in the containers 21.
Referring now to Figure 3, there is shown a pair of luminous rectangular tiles 30 each mounted in a frame. Tiles 30 may be identical to tile l shown in Figure I or could be another design of luminous tile. A wall plate 31 is mounted on a wall. As show-e, wall plate 31 is designed to support nine frames of wall tiles 30. Releasable clips, or Velcro or Dual l ock. (not shown) may be provided to secure the frames of tiles 30 to the wall plate 31.
In use, a surface of a wall can be covered with tiles by mounting one or more wall plates on the wall and an array of tiles 30 mounted on the wall plates. The wall plates may be designed to supply electrical power to the tiles.
Referring now to Figure 4, there is shown part of a luminous tile in which a sheet of plastics is illuminated by two or more rows of LEDs. In Figure 4 a rectangular acrylic sheet 40 has a pair of recesses 41A,41B on opposing edges, and a recess 42 centrally located between the recesses 41 A,4 I B. Two arrays of LEDs 43A 43B edge light sheet 40 at recesses 41 A and 41 B. Two arrays of LEDs 44A,44B positioned ' back to back" illuminate opposing faces 42A,42B of recess 42. The arrangement shown in Figure 4 allows LEDs to illuminate a larger sheet. Sheet 40 may form part of a luminous tile, e.g. replacing the sheet 2 and LEDs 4 in Figure 1.
Referring now to Figure 5, there is shown a luminous tile 50 having a rectangular plastics sheet 51 of acrylic edge lit by an array of LEDs 52, a rectangular poycarbonate diffuser layer 53 on one side of sheet 51, and a glass layer 54 on the diffuser layer. Artwork, such a lettering 55 is positioned between the diffuser layer and glass layer 54. The sheet 51, LEDs 52, diffuser layer 52, and glass layer 54 may form part of the luminous tile such as described in Figure 1.
Alternatively, instead of separate artwork such as lettering As. the glass layer could have artwork etched therein.
The present invention also provides a luminous tile illuminated with an array of LEDs illuminating the three primary colours, and means to control the intensity of each primary colour to create different colours of tiles. Thus the luminous tiles described above could incorporate array/e of LEDs emitting the three primary colours.
Further modifications will be apparent to those slci]led in the art without departing from the scope of the present invention.

Claims (11)

- - CLAIMS
1. A luminous tile comprising a sheet of plastics material, said sheet of plastics material being abraded on one or both surfaces thereof a recess formed along one edge of the plastics material, at least one LED in the recess to edge light the plastics material, and a diffuser layer on one surface of the plastics material to diffuse light emitted from the surface of the plastics material.
2. A luminous tile as claimed in claim 1, in which the diffuser layer comprises a sheet of opaque plastics.
3. A luminous tile as claimed in claim I or claim 2, in which a sheet of glass is located on the diffuser layer.
4 A luminous tile as claimed in any preceding claim, in which the edges of the plastics sheet are sealed with a light reflective material.
5. A luminous tile as claimed in any preceding claim, in which a reflective layer is provided on the side of the plastics material remote from the diffuser layer.
6. A luminous tile as claimed in any preceding claim, in which there is an array of LEDs emitting the three primary colours, and means to control the intensity of each primary colour to create different colours of tiles.
-9-
7. A luminous tile as claimed in any preceding claim, in which there are two or more rows of LEDs, and the LEDs may illuminate one or more edges of the plastics material and/or may illuminate a recess in the plastics material between its edges.
8. A luminous tile as claimed in any preceding claim, including a frame for the tile, the frame including a base and side walls extending from the base to provide a container with an open face.
9. A luminous tile as claimed in claim 1, in which the frame is mounted in a container or on a wall plate and releasable clips may be provided to secure the tile frame in the container.
1 O. A luminous tile as claimed in any preceding claim, in which artwork is positioned between the diffuser layer and glass layer or the glass layer has artwork etched therein.
11. A luminous tile substantially as hereinbefore described with reference to and as shown in the accompanying drawings.
GB0112158A 2001-05-18 2001-05-18 Luminous tile Withdrawn GB2376287A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0112158A GB2376287A (en) 2001-05-18 2001-05-18 Luminous tile
PCT/GB2002/002293 WO2002095287A1 (en) 2001-05-18 2002-05-15 Luminous tile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0112158A GB2376287A (en) 2001-05-18 2001-05-18 Luminous tile

Publications (2)

Publication Number Publication Date
GB0112158D0 GB0112158D0 (en) 2001-07-11
GB2376287A true GB2376287A (en) 2002-12-11

Family

ID=9914870

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0112158A Withdrawn GB2376287A (en) 2001-05-18 2001-05-18 Luminous tile

Country Status (2)

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GB (1) GB2376287A (en)
WO (1) WO2002095287A1 (en)

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WO2004088372A1 (en) * 2003-03-31 2004-10-14 Osram Opto Semiconductors Gmbh Method for the production of an illumination device and illumination device
DE202004007644U1 (en) * 2004-05-10 2005-08-18 Gilch, Josef LED unit for illuminating surfaces, comprises a groove into which plexiglass is pushed and adhered
GB2425168A (en) * 2005-04-15 2006-10-18 Taiwan Green Point Entpr Co Lt Table lamp having planar light guide
WO2007081254A1 (en) * 2006-01-10 2007-07-19 Välinge Innovation AB Floor light
DE102006022211A1 (en) * 2006-05-11 2007-11-15 Feist, Jürgen Backlit wall element system
GB2442977A (en) * 2006-10-20 2008-04-23 Christopher Phillips Illuminated tile unit
ITMC20080232A1 (en) * 2008-12-23 2010-06-24 Margaritelli Spa COATING MODULE WITH LIGHT DIFFUSION SYSTEM.
US8021014B2 (en) 2006-01-10 2011-09-20 Valinge Innovation Ab Floor light
DE102010063272A1 (en) * 2010-12-16 2012-06-21 Zumtobel Lighting Gmbh lamp
DE102011007093A1 (en) 2011-04-09 2012-10-11 SYSTART GmbH Illuminated tile-module for use at wall in toilet, has frame holding reflecting layer, light guide plate, LED, prism plate and glass plate, where LED illuminates light guide plate over edge of light guide plate
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DE202013101769U1 (en) * 2013-04-24 2014-07-28 Zumtobel Lighting Gmbh Luminaire with a light generating unit and a frame element
EP2942773A1 (en) * 2014-05-08 2015-11-11 PRICE Werbeagentur GmbH Advertising support for a pane and its use
JP2015204160A (en) * 2014-04-11 2015-11-16 パナソニックＩｐマネジメント株式会社 Led lighting fixture
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