EP1207338B1 - Lighting effect generator - Google Patents

Lighting effect generator Download PDF

Info

Publication number
EP1207338B1
EP1207338B1 EP00310236A EP00310236A EP1207338B1 EP 1207338 B1 EP1207338 B1 EP 1207338B1 EP 00310236 A EP00310236 A EP 00310236A EP 00310236 A EP00310236 A EP 00310236A EP 1207338 B1 EP1207338 B1 EP 1207338B1
Authority
EP
European Patent Office
Prior art keywords
light
modulating component
light modulating
light source
receiving surface
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.)
Expired - Lifetime
Application number
EP00310236A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1207338A1 (en
Inventor
Chris Levine
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 EP00310236A priority Critical patent/EP1207338B1/en
Priority to ES00310236T priority patent/ES2288835T3/es
Priority to AT00310236T priority patent/ATE365296T1/de
Priority to DE60035276T priority patent/DE60035276T2/de
Publication of EP1207338A1 publication Critical patent/EP1207338A1/en
Application granted granted Critical
Publication of EP1207338B1 publication Critical patent/EP1207338B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/06—Controlling the distribution of the light emitted by adjustment of elements by movement of refractors
    • 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
    • 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
    • F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
    • 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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
    • 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
    • F21Y2101/00—Point-like light sources
    • 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
    • F21Y2113/00—Combination of light sources
    • 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
    • F21Y2115/30—Semiconductor lasers

Definitions

  • This invention relates to a device for generating lighting effects.
  • US 3 822 930 shows a lighting device for generating light effects with a light modulating component which has a diffractive structure and a laser light source.
  • US-A-3634679 discloses a lighting effect generator with light modulating component formed from an optically transmissive material.
  • a device for generating lighting effects comprising:
  • the light modulating component may be formed from glass, lead crystal or polycarbonate.
  • the axis of rotation of the light modulator may be offset from the light transmission axis of the light source.
  • a second light modulating component may be provided for modulating the light either before or after it passes through the first light modulating component.
  • This second light modulating component may be a diffraction grating, or may be a textured glass or acrylic, or could include both.
  • Additional optical components may be provided with the device so that it projects the lighting effect onto a wall in use, or such that it incorporates a light receiving surface as part of the device in such a case the light receiving surface may form part of the outer housing of the device.
  • an outer housing may be at least partially translucent to customise the external projection of the lighting effects.
  • a second optical modulating component may be removable so that it can be replaced by a user to produce different effects.
  • Figure 1 shows an example 1 of the invention in which a light source 8, in this case a laser diode, generates a light beam 12 which is incident upon a light modulating component 2, in this case the light modulating component is a crystal.
  • a motor 3 and support structure (10 in Figure 3) is provided to rotate the crystal 2 about an axis. This axis is, in this example, offset from that of the light transmission axis of the light source. In this way the range over which the optical effects can be seen is increased.
  • Figure 1 indicates a single light source 8, in use, multiple light sources may be used (see Figure 3).
  • FIGS 2 and 3 illustrate a particular example of the invention which incorporates a tubular outer housing 5, which acts as the light receiving surface 5 discussed above, with hemispheres located at either end.
  • a three legged base unit 6 incorporates light sources 8 and the mechanism 10 for supporting and motor for rotating 3 a light modulator 2, which is, in this case, a crystal 2 having multiple planar facets.
  • Light from the light sources 8 passes through the crystal 2 and is diffracted in a multitude of directions to create an aesthetically pleasing effect. As discussed above, this light may also be passed through a sequence of additional modulating components 4 before being projected onto the housing 5 of the device 1 or, if there is no housing 5, onto a screen or a room wall (not shown).
  • the light sources will generally be commercially available laser diodes 8, however, since this would severely restrict the colours that could be used, additional, if weaker, light sources 9 of differing colours may be utilised to enhance the lighting effects.
  • Suitable optically transmissive materials for the composition of the crystal 2 include glass, lead crystal and polycarbonate.
  • the modulating component 2 may be formed from an amorphous lump of light transmissive material, but is preferably formed with an outside surface comprising planar facets.
  • planar facets maintains the focussed projected aspects of light rather than the more diffuse light effects that would be generated by an smooth surfaced modulating component.
  • the surface facets need not be regular, indeed a more random, and potentially more pleasing, effect will be produced if they differ in size.
  • the effects can be further customised, by an end user, by introducing a second light modulating component 4.
  • This component may be represented by optical discs 13 made from textured material into the path of the light before or after the crystal 2. These discs 13 may be supported above the crystal 2 by a structure 15 attached to the base unit 6.
  • the housing 5 further provides a structure to contain a selection of crumpled film, which may be holographic to act as a alternative second light modulating component 4, to modify the paths of light and further enhance the effects seen in the localised unit 1.
  • the device can be transformed from a localised light display unit 1 into a projection unit for a room by the removal of the translucent housing unit 5.
  • the translucence provides a light receiving surface 5 for the projection such that the consumer can appreciate the localised effects of the lighting.
  • the shape of this housing 5 may be altered (e.g. to that of a cube, a sphere or a pyramid) such that an alternative effect can be seen.
  • the housing 5 may be removed altogether such that the light effects are projected onto the walls and ceiling of the surrounding room, or onto a screen such that a wider audience may appreciate the effects.
  • a combination of these embodiments can be provided in a further embodiment where a housing is provided but the translucence does not extend over the entire surface of the housing, sections remain transparent. If a region (for example the region furthest from the light source) is clear and transparent then this will not act as a receiving surface and the lighting effects will pass through unhindered to be projected onto a neighbouring surface (for example a ceiling).

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Holo Graphy (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Endoscopes (AREA)
EP00310236A 2000-11-17 2000-11-17 Lighting effect generator Expired - Lifetime EP1207338B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP00310236A EP1207338B1 (en) 2000-11-17 2000-11-17 Lighting effect generator
ES00310236T ES2288835T3 (es) 2000-11-17 2000-11-17 Generador de efectos de iluminacion.
AT00310236T ATE365296T1 (de) 2000-11-17 2000-11-17 Generator von lichteffekten
DE60035276T DE60035276T2 (de) 2000-11-17 2000-11-17 Generator von Lichteffekten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00310236A EP1207338B1 (en) 2000-11-17 2000-11-17 Lighting effect generator

Publications (2)

Publication Number Publication Date
EP1207338A1 EP1207338A1 (en) 2002-05-22
EP1207338B1 true EP1207338B1 (en) 2007-06-20

Family

ID=8173401

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00310236A Expired - Lifetime EP1207338B1 (en) 2000-11-17 2000-11-17 Lighting effect generator

Country Status (4)

Country Link
EP (1) EP1207338B1 (es)
AT (1) ATE365296T1 (es)
DE (1) DE60035276T2 (es)
ES (1) ES2288835T3 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7641345B2 (en) * 2006-06-21 2010-01-05 Bliss Holdings, Llc Star field projection apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2017084C3 (de) * 1970-04-09 1973-09-27 Siemens Ag, 1000 Berlin U. 8000 Muenchen Lichteffektgenerator
US3634679A (en) * 1970-06-19 1972-01-11 Michael J Krzyston Decorative lighting apparatus
BE788891A (fr) * 1971-09-15 1973-01-02 Siemens Ag Generateur d'effet lumineux a canaux multiples
DE29917552U1 (de) * 1999-10-05 1999-12-16 Hopf, Michael, 99189 Tiefthal Vorrichtung zur Erzeugung von Lichteffekten mittels Laser

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE60035276T2 (de) 2008-03-20
ES2288835T3 (es) 2008-02-01
DE60035276D1 (de) 2007-08-02
ATE365296T1 (de) 2007-07-15
EP1207338A1 (en) 2002-05-22

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