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EP1146282A2 - Led lamp diffusing a multicolor light - Google Patents

Led lamp diffusing a multicolor light Download PDF

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Publication number
EP1146282A2
EP1146282A2 EP20010108703 EP01108703A EP1146282A2 EP 1146282 A2 EP1146282 A2 EP 1146282A2 EP 20010108703 EP20010108703 EP 20010108703 EP 01108703 A EP01108703 A EP 01108703A EP 1146282 A2 EP1146282 A2 EP 1146282A2
Authority
EP
European Patent Office
Prior art keywords
light
led
lamp according
face
lamp
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Withdrawn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
EP20010108703
Other languages
German (de)
French (fr)
Other versions
EP1146282A3 (en
Inventor
Alberto Meda
Paolo Rizzatto
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.)
Luceplan SRL
Original Assignee
Luceplan SRL
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 Luceplan SRL filed Critical Luceplan SRL
Publication of EP1146282A2 publication Critical patent/EP1146282A2/en
Publication of EP1146282A3 publication Critical patent/EP1146282A3/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F21L4/02—Electric lighting devices with self-contained electric batteries or cells characterised by the provision of two or more light sources
    • F21L4/022—Pocket lamps
    • F21L4/027—Pocket lamps the light sources being a LED
    • 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
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/08—Combinations of only two kinds of elements the elements being filters or photoluminescent elements and reflectors
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/02—Refractors for light sources of prismatic 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
    • F21V5/00—Refractors for light sources
    • F21V5/06—Hanging lustres for chandeliers
    • 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
    • F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light
    • 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
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2121/00—Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00
    • 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
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/90—Light sources with three-dimensionally disposed light-generating elements on two opposite sides of supports or substrates
    • 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]

Definitions

  • the object of the present invention is a lamp according to the preamble of the main claim.
  • Lamps by this term it being meant any product having a light source provided with a support) which are used for lighting or decorating an environment through the emission of colored light have been known for some time.
  • the object of the present invention is to provide a lamp which allows the emission of a light, suitable for lighting and, at the same time, decorating the environment where the lamp is placed.
  • a further object is to provide a lamp of the type cited above, which allows the emission of a light having at least two different colors.
  • Still a further object is to provide a lamp of low energy consumption, which is easy to realize and which requires relatively low costs.
  • a lamp according to the invention is generically referred to as 1 and comprises a support 2 and a body 3, from which there is an emission of light.
  • the body 3, in the example, is placed in the upper end (with respect to figure 1) of the support 2; this latter comprising a supporting base 4.
  • the support 2 comprises an inner cavity 8 which is open in proximity of the base 4, where a closing device 9, for example a screw-closing device, is provided.
  • the cavity 8 is suitable to contain, preferably, one or more batteries (which are not shown) which to feed at least a light source S present in the body 3.
  • the electric energy provided by the batteries (or by other energy accumulator) is transferred to said light source through ordinary conductors (which are not shown) inserted in the support 2 and the body 3.
  • at least a conductor is provided in a cavity 11 standing above the cavity 8 cited above, which, through sliding contact means associated with an end portion 12 of the support 2, can contact the corresponding sliding contact means associated with an end portion 14 of the body 3 coupled to the portion 12 cited above. This applies when the body 3 can be rotated on the support 2; in this case, the cooperation between the contact means cited above takes place only when said body is rotated in a particular position on the support.
  • the body 3 can be fed in a different, per se known, way, for example by connection with a fixed electrical network, or by connecting though cables the battery or batteries with the light source in the body 3.
  • interrupting means can be provided to activate or not the feeding to the source.
  • the light source S comprises, in the embodiment of the figures, a plurality of light-emitting diodes or leds 15 and 16 associated with corresponding opposite faces 17 and 18 of a flat supporting element 19, on which printed (not shown) electrical connections are present.
  • the leds 15 and 16 are associated (and electrically connected) with said element 19 (or printed circuit) in any known way.
  • the leds 15 and 16 are per se known microleds and can generate a monochromatic light, or the leds 15 emit a light: of one color, whereas the leds 16 generate a light of a different color.
  • a means 20 is provided in front of the leds 16, which filters the light produced by said leds and which is suitable to modify their color. Said means is of a per se known type and will not be further described.
  • the means 20 and the element 19 are placed into a cavity 22 of the body 3 and are linked to this latter in a per se known way (for example stuck).
  • the electric connections of the element 19 are connected to the electric contact means of the body 3: for example, element 19 is connected with electrical conductors (not shown), connected with the areas 23 and 24 of said element.
  • the cavity 22 has a diamond-studded or prismatic wall 22A for better diffusing the light through the body 3. At least a part of the latter is at least partially light-transparent and bears a closing device 27 (which is also at least partially light-transparent) placed above the cavity 22 and coupled to the body 3, for example by bayonet screwing coupling.
  • a light is emitted from the body 3 comprising a plurality of light rays emitted in different space directions and exhibiting different colors.
  • the led 15 emits a white light which comes out from the upper part of the body 3, whereas the light emitted by the leds 16 is filtered to become a blue light emitted on the lower and side parts of said body.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Planar Illumination Modules (AREA)
  • Led Device Packages (AREA)

Abstract

A lamp comprises a support (2) bearing a body (3) from which there is an emission of light, said body (3) containing at least a light-emitting diode or led, preferably a microled, which is associated with a light-filtering means suitable to modify at least partially its color, at least a part of said body (3) being light-transparent, so as to allow the multicolor light rays emitted by the led and filtered by the filtering means to come out, this allowing the use of the lamp for lighting and decorating purposes.

Description

  • The object of the present invention is a lamp according to the preamble of the main claim.
  • Lamps (by this term it being meant any product having a light source provided with a support) which are used for lighting or decorating an environment through the emission of colored light have been known for some time.
  • The object of the present invention is to provide a lamp which allows the emission of a light, suitable for lighting and, at the same time, decorating the environment where the lamp is placed.
  • A further object is to provide a lamp of the type cited above, which allows the emission of a light having at least two different colors.
  • Still a further object is to provide a lamp of low energy consumption, which is easy to realize and which requires relatively low costs.
  • These and other objects, which will appear evident to the expert in the art, are attained through a lamp according to the claims attached hereto.
  • For a better understanding of the present invention, the following drawing is herein enclosed, exclusively for illustrating the invention without limiting it:
  • fig. 1 shows a cross-sectional view of a lamp according to the invention;
  • figure 2 shows an enlarged view of the part marked with an A in figure 1;
  • figure 3 shows a prospective view of the upper part of the lamp of figure 1, some parts thereof being omitted and others being transparent, for clarity's sake.
  • With respect to the cited figures, a lamp according to the invention is generically referred to as 1 and comprises a support 2 and a body 3, from which there is an emission of light. The body 3, in the example, is placed in the upper end (with respect to figure 1) of the support 2; this latter comprising a supporting base 4.
  • The support 2 comprises an inner cavity 8 which is open in proximity of the base 4, where a closing device 9, for example a screw-closing device, is provided. The cavity 8 is suitable to contain, preferably, one or more batteries (which are not shown) which to feed at least a light source S present in the body 3. The electric energy provided by the batteries (or by other energy accumulator) is transferred to said light source through ordinary conductors (which are not shown) inserted in the support 2 and the body 3. For example, at least a conductor is provided in a cavity 11 standing above the cavity 8 cited above, which, through sliding contact means associated with an end portion 12 of the support 2, can contact the corresponding sliding contact means associated with an end portion 14 of the body 3 coupled to the portion 12 cited above. This applies when the body 3 can be rotated on the support 2; in this case, the cooperation between the contact means cited above takes place only when said body is rotated in a particular position on the support.
  • Obviously, the body 3 can be fed in a different, per se known, way, for example by connection with a fixed electrical network, or by connecting though cables the battery or batteries with the light source in the body 3. Analogously, interrupting means can be provided to activate or not the feeding to the source.
  • The light source S comprises, in the embodiment of the figures, a plurality of light-emitting diodes or leds 15 and 16 associated with corresponding opposite faces 17 and 18 of a flat supporting element 19, on which printed (not shown) electrical connections are present. The leds 15 and 16 are associated (and electrically connected) with said element 19 (or printed circuit) in any known way. The leds 15 and 16 are per se known microleds and can generate a monochromatic light, or the leds 15 emit a light: of one color, whereas the leds 16 generate a light of a different color. In the first case, a means 20 is provided in front of the leds 16, which filters the light produced by said leds and which is suitable to modify their color. Said means is of a per se known type and will not be further described.
  • The means 20 and the element 19 are placed into a cavity 22 of the body 3 and are linked to this latter in a per se known way (for example stuck). In a just as known way, the electric connections of the element 19 are connected to the electric contact means of the body 3: for example, element 19 is connected with electrical conductors (not shown), connected with the areas 23 and 24 of said element.
  • The cavity 22 has a diamond-studded or prismatic wall 22A for better diffusing the light through the body 3. At least a part of the latter is at least partially light-transparent and bears a closing device 27 (which is also at least partially light-transparent) placed above the cavity 22 and coupled to the body 3, for example by bayonet screwing coupling.
  • Thanks to the peculiar conformation of the light source S and the presence of the filtering means 20, a light is emitted from the body 3 comprising a plurality of light rays emitted in different space directions and exhibiting different colors. For example, the led 15 emits a white light which comes out from the upper part of the body 3, whereas the light emitted by the leds 16 is filtered to become a blue light emitted on the lower and side parts of said body.
  • Obviously, nothing prevents to realize the source S by means of leds 15 and 16 of different colors in order to obtain the same result disclosed above of an emission of light of different colors from different parts of the body 3. Another embodiment, finally, provides a single led 15 and 16 in front of which there is provided the means 20 suitably realized in such a way as to filter and color only one part of the light emitted by the led .

Claims (13)

  1. Lamp comprising a support (2) bearing a body (3) containing a light source (S), at least a part of said body being at least partially light-transparent in order to allow what produced by said activated light source to come out, characterized in that said light source (S) comprises at least a light emitting diode or led (15,16), preferably a microled, there being provided means suitable to allow the emission of light of at least two colors from said body, thus allowing the use of the lamp for lighting and decorating purposes.
  2. Lamp according to claim 1, characterized in that the means allowing the emission of a multicolor light are a filtering means (20) which is placed in front of the led (15, 16) and which is suitable to filter only a part of the light emitted by said led.
  3. Lamp according to claim 2, characterized in that the means allowing the emission of a multicolor light are at least a second led.
  4. Lamp according to claim 3, characterized in that the second led emits a different light from the first led.
  5. Lamp according to claim 3, characterized in that the second led emits a light of the same color as that emitted by the first led, said light being filtered and modified in the color by a filtering means which is placed in correspondence with one of the two leds.
  6. Lamp according to claim 3, characterized in that it comprises the first led (15) associated with a first face (17) of a flat supporting element (19), the second led (16) being associated with a second face (18) of said supporting element (19) opposite to the first face (17).
  7. Lamp according to claim 6, characterized in that the first led (15) is part of a first plurality of leds associated with the first face (17) of the flat supporting element (19), the second led (16) being part of a second plurality of leds associated with the second face (18) of the flat supporting element (19).
  8. Lamp according to claim 7, characterized in that there is provided a filtering means (20) opposite to the second face (18) of the flat supporting element (19).
  9. Lamp according to claim 8, characterized in that the filtering means (20) and the flat element are placed and fixed into a cavity (22) of the body (3) which is al least partially light-transparent.
  10. Lamp according to claim 9, characterized in that the cavity (22) has a wall (22A) studded with diamond.
  11. Lamp according to claim 9, characterized in that the cavity (22) is closed by a body (27) which is at least partially light-transparent to the light.
  12. Lamp according to claim 1, characterized in that the support (2) is hollow (in 8) and contains accumulators of electric energy for feeding the light source (S).
  13. Lamp according to claim 12, characterized in that the cavity (8) of the support is open at an end where a closing device (9) is provided.
EP20010108703 2000-04-11 2001-04-06 Led lamp diffusing a multicolor light Withdrawn EP1146282A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI000225U 2000-04-11
IT2000MI000225U IT250275Y1 (en) 2000-04-11 2000-04-11 LED LAMP WITH DIFFUSION OF LIGHT OF DIFFERENT COLORS

Publications (2)

Publication Number Publication Date
EP1146282A2 true EP1146282A2 (en) 2001-10-17
EP1146282A3 EP1146282A3 (en) 2003-12-10

Family

ID=11443977

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20010108703 Withdrawn EP1146282A3 (en) 2000-04-11 2001-04-06 Led lamp diffusing a multicolor light

Country Status (5)

Country Link
EP (1) EP1146282A3 (en)
JP (1) JP3080957U (en)
KR (1) KR200244578Y1 (en)
CN (1) CN2483600Y (en)
IT (1) IT250275Y1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2334197A1 (en) * 2009-10-15 2010-03-05 G.C.E. Solar, S.L. Ecological farola (Machine-translation by Google Translate, not legally binding)
ES2487040A1 (en) * 2013-02-18 2014-08-19 Luis Mariano VOCES GARCÍA Electric illumination and reflexive intubation in multiple chain (Machine-translation by Google Translate, not legally binding)
CN110399772A (en) * 2019-04-15 2019-11-01 泰州市康平医疗科技有限公司 Apparatus control system based on environmental analysis

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735113A (en) * 1972-04-18 1973-05-22 T Stott Optical display
US5319531A (en) * 1992-11-19 1994-06-07 Kutnyak Mark R Illuminated flying disc with special effects lighting
DE29707048U1 (en) * 1997-04-19 1997-09-25 Schmidt, Edgar, 58091 Hagen Self-illuminating and / or illuminated mounting system, in particular mounting system with functional mounting elements
DE19751077A1 (en) * 1996-11-19 1998-05-20 Lam Peter A Visual display in vehicles
EP1006311A2 (en) * 1998-12-02 2000-06-07 ERCO Leuchten GmbH Lamp of the type of a signal and/or orientation lamp
JP2000331502A (en) * 1999-05-21 2000-11-30 Chitose Denki Kk Portable guide light

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735113A (en) * 1972-04-18 1973-05-22 T Stott Optical display
US5319531A (en) * 1992-11-19 1994-06-07 Kutnyak Mark R Illuminated flying disc with special effects lighting
DE19751077A1 (en) * 1996-11-19 1998-05-20 Lam Peter A Visual display in vehicles
DE29707048U1 (en) * 1997-04-19 1997-09-25 Schmidt, Edgar, 58091 Hagen Self-illuminating and / or illuminated mounting system, in particular mounting system with functional mounting elements
EP1006311A2 (en) * 1998-12-02 2000-06-07 ERCO Leuchten GmbH Lamp of the type of a signal and/or orientation lamp
JP2000331502A (en) * 1999-05-21 2000-11-30 Chitose Denki Kk Portable guide light

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 14, 5 March 2001 (2001-03-05) & JP 2000 331502 A (CHITOSE DENKI KK), 30 November 2000 (2000-11-30) *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2334197A1 (en) * 2009-10-15 2010-03-05 G.C.E. Solar, S.L. Ecological farola (Machine-translation by Google Translate, not legally binding)
ES2334197B1 (en) * 2009-10-15 2010-12-03 G.C.E. Solar, S.L. ECOLOGICAL LIGHT
ES2487040A1 (en) * 2013-02-18 2014-08-19 Luis Mariano VOCES GARCÍA Electric illumination and reflexive intubation in multiple chain (Machine-translation by Google Translate, not legally binding)
CN110399772A (en) * 2019-04-15 2019-11-01 泰州市康平医疗科技有限公司 Apparatus control system based on environmental analysis

Also Published As

Publication number Publication date
JP3080957U (en) 2001-10-19
ITMI20000225V0 (en) 2000-04-11
ITMI20000225U1 (en) 2001-10-11
KR200244578Y1 (en) 2001-10-11
CN2483600Y (en) 2002-03-27
EP1146282A3 (en) 2003-12-10
IT250275Y1 (en) 2003-07-28

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