WO2012040764A1 - Dispositif d'éclairage - Google Patents
Dispositif d'éclairage Download PDFInfo
- Publication number
- WO2012040764A1 WO2012040764A1 PCT/AU2010/001266 AU2010001266W WO2012040764A1 WO 2012040764 A1 WO2012040764 A1 WO 2012040764A1 AU 2010001266 W AU2010001266 W AU 2010001266W WO 2012040764 A1 WO2012040764 A1 WO 2012040764A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- illumination device
- photoluminescent material
- chamber
- article
- photoluminescent
- Prior art date
Links
- 238000005286 illumination Methods 0.000 title claims abstract description 129
- 239000000463 material Substances 0.000 claims abstract description 138
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims abstract description 19
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 239000005084 Strontium aluminate Substances 0.000 claims abstract description 5
- FNWBQFMGIFLWII-UHFFFAOYSA-N strontium aluminate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Al+3].[Sr+2].[Sr+2] FNWBQFMGIFLWII-UHFFFAOYSA-N 0.000 claims abstract description 5
- 150000004645 aluminates Chemical class 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 17
- 239000013078 crystal Substances 0.000 claims description 17
- 229910052693 Europium Inorganic materials 0.000 claims description 10
- 239000003550 marker Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 241001465754 Metazoa Species 0.000 claims description 7
- 239000012190 activator Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052712 strontium Inorganic materials 0.000 claims description 5
- 229910052684 Cerium Inorganic materials 0.000 claims description 4
- 229910052691 Erbium Inorganic materials 0.000 claims description 4
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 4
- 229910052689 Holmium Inorganic materials 0.000 claims description 4
- 229910052779 Neodymium Inorganic materials 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 4
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 4
- 229910052772 Samarium Inorganic materials 0.000 claims description 4
- 229910052771 Terbium Inorganic materials 0.000 claims description 4
- 229910052775 Thulium Inorganic materials 0.000 claims description 4
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 4
- -1 alkaline earth metal aluminate Chemical class 0.000 claims description 4
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 230000026030 halogenation Effects 0.000 claims description 4
- 238000005658 halogenation reaction Methods 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 3
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 125000005843 halogen group Chemical group 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 2
- 238000005188 flotation Methods 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract 1
- 229910052796 boron Inorganic materials 0.000 abstract 1
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- 229920003023 plastic Polymers 0.000 description 5
- 239000000049 pigment Substances 0.000 description 4
- MFYSUUPKMDJYPF-UHFFFAOYSA-N 2-[(4-methyl-2-nitrophenyl)diazenyl]-3-oxo-n-phenylbutanamide Chemical compound C=1C=CC=CC=1NC(=O)C(C(=O)C)N=NC1=CC=C(C)C=C1[N+]([O-])=O MFYSUUPKMDJYPF-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 150000001342 alkaline earth metals Chemical class 0.000 description 3
- 229910052788 barium Inorganic materials 0.000 description 3
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- 241000251468 Actinopterygii Species 0.000 description 1
- 208000031872 Body Remains Diseases 0.000 description 1
- 241000282472 Canis lupus familiaris Species 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 235000000177 Indigofera tinctoria Nutrition 0.000 description 1
- 229910052765 Lutetium Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 235000006040 Prunus persica var persica Nutrition 0.000 description 1
- 240000006413 Prunus persica var. persica Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000005083 Zinc sulfide Substances 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229940097275 indigo Drugs 0.000 description 1
- COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Natural products N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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- 239000007769 metal material Substances 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- 239000010959 steel Substances 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000000037 vitreous enamel Substances 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K27/00—Leads or collars, e.g. for dogs
- A01K27/006—Leads or collars, e.g. for dogs with light-emitting or ornamental devices
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
- C09K11/7792—Aluminates
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K87/00—Fishing rods
- A01K87/007—Fishing rods with built-in accessories, e.g. lighting means or measuring devices
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K93/00—Floats for angling, with or without signalling devices
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K97/00—Accessories for angling
- A01K97/02—Devices for laying ground-bait, e.g. chum dispensers, e.g. also for throwing ground-bait
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
- E04H15/322—Stretching devices
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
- E04H15/62—Pegs, stakes or the like
-
- 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
- F21K2/00—Non-electric light sources using luminescence; Light sources using electrochemiluminescence
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B2201/00—Signalling devices
- B63B2201/04—Illuminating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B45/00—Arrangements or adaptations of signalling or lighting devices
- B63B45/04—Arrangements or adaptations of signalling or lighting devices the devices being intended to indicate the vessel or parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
- B63C9/20—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like characterised by signalling means, e.g. lights
Definitions
- This invention relates to an illumination device. More particularly, the invention relates to an illumination device comprising a photoluminescent material that, when excited by ambient light (artificial and/or natural), radiates a luminous afterglow.
- Photoluminescent materials generally comprise rare-earth doped alkali and/or alkaline earth metal aluminates, alumino-silicates, alumino-phosphates and alumino-phospho-silicates, with optional halogenation.
- a source of excitation such as light
- the excitation energy can be derived from a number of sources (artificial and/or natural) including a light bulb, headlight, fluorescent light and sunlight. Generally, the stronger the light source, the quicker the
- Photoluminescent materials are used for many different purposes. Most photoluminescent products comprise photoluminescent pigments that can be incorporated into many different mediums or materials such as paint, ink, rubber, films, fabrics, ceramic glaze or porcelain enamel, glass, flexible and rigid moulded plastics. Such materials may therefore be used in many different types of consumer products such as for example clothing, shoes, caps, toys, stationery goods, watches, switches, novelties, fishing equipment, sporting goods.
- an illumination device comprising: a body arranged to provide a region of space for accommodating a quantity of photoluminescent material so that a portion of the material is provided in radiant communication with ambient light.
- an illumination device comprising: a body arranged to provide a region of space in which a quantity of photoluminescent material is accommodated so that a portion of the material is provided in radiant communication with ambient light.
- Embodiments of each of the first and second aspects of the present invention may include one or more of the following arrangements.
- the body is arranged to provide a chamber in which the quantity of photoluminescent material is housed, the chamber being defined by at least one wall.
- a region of the wall of the chamber is configured so that a portion of the photoluminescent material is provided in radiant communication with ambient light.
- the chamber may be arranged so to increase the surface area of the wall of the chamber.
- the increased surface area of the wall(s) defining the chamber provides for increased e:xposure of the photoluminescent material housed within the chamber to ambient fight.
- the photoluminescent material may absorb as much available energy as possible from the available ambient light thereby providing an increased afterglow effect (ie. luminance and duration).
- the chamber is arranged so as to be provided within the body.
- the chamber is arranged so as to be substantially internal of the body.
- the defining wall of the chamber may be inset a predefined distance beneath the external surface of the body. The predefined distance may be substantially uniform about the body or may vary.
- the photoluminescent material may be doped.
- doped photoluminescent materials include a rare-earth doped alkali and/or alkaline earth metal aluminate, alumino-silicate, alumino-phosphate or alurnino- phospho-silicate, with optional halogenation.
- the photoluminescent material may comprise a halogenated alkali earth metal aluminate containing rare earth metal doping.
- the photoluminescent material ma be one having the following generic formula (as described in PCT Application No).
- Al is aluminium;
- X is a halogen selected from F, CI, Br and I;
- O oxygen
- R is one or more rare earth element activators selected from the elements Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, D , Ho, Er, Tm, and Yb; and, a, b, c and f are variables having values in moles per 100 grams.
- the photoluminescent material may be europium doped strontium aluminate having the following components: SrAl 2 0 4 :Eu +2 , Dy +2 , ⁇ +3 .
- the photoluminescent material may be characterized by the following chemical description: AlxSryCa(l-y)Oz: Eu Dy.
- the photoluminescent material may be further provided.
- M is an alkaline earth metal
- N is Silicon or Aluminium
- O is Oxygen
- RE is any rare earth element
- the quantity of photoluminescent material is provided substantially in crystalline form.
- the photoluminescent material crystals may be substantially in the range from 0.01mm to 2.5mm.
- the size of the photoluminescent material crystals is substantially in the range from 0.5mm to 2.0mm.
- the body of the illumination device of the present invention is preferably of sufficient transparency so that the portion of the photoluminescent material is in radiant communication with ambient light.
- the defining wall(s) of the chamber is also preferably of sufficient transparency so that the portion of the photoluminescent material is in radiant communication with ambient light. This therefore ensures that the energy from ambient light is able to be readily absorbed by the photoluminescent material.
- the chamber may be configured so as to be sealable. As such, the chamber may be formed haying an Open portion which is closed by an applied cap then sealed in position by an appropriate sealing operation (such as an ultrasonic welding operation).
- the chamber may be arranged to be sealed so as to be substantially water resistant or water proof.
- the body may have attachment means (such as for example a key ring) so that the illumination device may be removably attachable to an article, the article comprising one of a backpack, a scuba tank, a whistle, a pull handle for safety equipment, a position identification marker, a pull for a fastening means for a garment, a novelty item (such as that provided in the shape of a letter of the alphabet or numeral), a collar or band for removable attachment about a limb of an animal or person, recreational equipment such as a fishing rod, fishing floats, submersible markers, and guy rope sliders.
- attachment means such as for example a key ring
- the body of the device is arranged integrally with an article, the article comprising one of a backpack, a scuba tank, a whistle, a pull handle for safety equipment, a position identification marker, a pull for a fastening means for a garment, a novelty item (such as that provided in the shape of a letter of the alphabet or numeral) , a collar or band for removable attachment about a limb of an animal or person, recreational equipment such as a fishing rod, fishing floats, submersible markers, and guy rope sliders.
- the illumination device of the present invention may be integrally arranged with many other different types of articles.
- the device may be arranged so as to be substantially planar or substantially non- planar.
- a quantity of photoluminescent material may be applied to a base such as a substantially planar substrate body, and a covering, such as a second substantially planar substrate, or a sealing face, such as a lacquer, may be applied thereto.
- the photoluminescent material accordingly occupies a region of space between the base and the covering or sealing face.
- the covering and/or the sealing face is transparent so that a portion of the photoluminescent material is provided in radiant communication with ambient light.
- a collar for an animal such as a pet
- the collar including an illumination device according to any one of the embodiments of the first or second aspects of the present invention.
- a buoyant article including an illumination device according to any one of the embodiments of the first or second aspects of the present invention.
- the buoyant article is in the form of a recreational marine device such as a surfboard, windsurf board, wakeboard, a water ski, waveski, dinghy, kayak, a boat, a runabout, lifeboat, surfski, canoe, paddleboard, marine safety equipment such as a lifebuoy, fishing float, a buoyancy aid, a marine life saving device, a rigid personal flotation device and the like.
- a recreational marine device such as a surfboard, windsurf board, wakeboard, a water ski, waveski, dinghy, kayak, a boat, a runabout, lifeboat, surfski, canoe, paddleboard
- marine safety equipment such as a lifebuoy, fishing float, a buoyancy aid, a marine life saving device, a rigid personal flotation device and the like.
- the body of the illumination device may be arranged integrally with the buoyant article.
- the illumination device may be fastened to the buoyant article by any fastening arrangement known in the art.
- the fastening system may provide for releasable or permanent attachment between the buoyant article and the illumination device.
- a fishing rod including an illumination device according to any one of the embodiments of the first or second aspects of the present invention, wherein the body of the illumination device is associated with the rod.
- the illumination device may be releasably attached to a region of the rod.
- Fishing rods typically comprise two rod sections
- the illumination device may be associated with either or both sections.
- the illumination device may be arranged integrally with the rod.
- the illumination device may be arranged integrally with one or more of the respective sections.
- a guy rope slider for use with a tent arrangement, the guy rope slider having an illumination device according to any one of the embodiments of the first or second aspects of the present invention associated therewith.
- the body of the illumination device may be arranged integrally with the guy rope slider.
- a zipper arrangement for a garment including an illumination device according to any one of the embodiments of the first or second aspects of the present invention.
- the zipper comprises a pull handle associated with the illumination device.
- the illumination device may be arranged integrally with the pull handle.
- a tent peg having an iUumination device according to any one of the embodiments of the first or second aspects of the present invention.
- the body of the illumination device may be arranged integrally with the tent peg.
- the illumination device may be suitably affixed to the tent pe using any known affixing arrangements known in the art.
- the body of the peg is of sufficient structural rigidity to withstand the repeated impact (direct or indirect) necessary to secure the tent peg in the ground.
- the relevant fastening system selected is of sufficient strength to ensure the device does not separate from the tent peg when subjected to repeated direct or indirect impacts.
- a whistle having an illumination device according to any one of the embodiments of the first or second aspects of the present invention.
- the body of the illumination device may be arranged integrally with the whistle.
- a garment having one or more fastening arrangements provided thereon, the garment including an illumination device according to any one of the embodiments of the first or second aspects of the present invention associated with the or each fastening arrangement respectively.
- the illumination device may be arranged integrally with a portion of the or each respective fastening arrangement.
- a method for producing an illumination device comprising: forming a body having an open chamber; filling the chamber with a quantity of photoluminescent material; and, closing the chamber with a closure means, the arrangement being such that a portion of the photoluminescent material in the chamber is in radiant communication with ambient light.
- the method further comprises the step of ultrasonically welding the closure such as a cap to the body so as to close the chamber.
- the method further comprises the step of heating the body so as to seal the closure against the body thereby sealing the chamber.
- the heating of the body may take the form of a suitable baking process such as that performed in an oven or the like.
- the body may be formed in at least two portions.
- a method for producing an illumination device comprising: providing a substantially planar substrate body; applying to the substrate body a quantity of photoluminescent material; and, applying a covering thereto; whereby the photoluminescent material occupies a region of space between the substrate body and the covering, the arrangement of the substrate body and covering such that a portion of the photoluminescent material is provided in the region of space so as to be in radiant
- Figure 1 shows a perspective view of one embodiment of an illumination device in accordance with the present invention
- Figure 2 shows a perspective view of one embodiment of a guy roper slider having an iUumination device in accordance with the present invention
- Figure 3 shows a perspective view of another embodiment of a guy rope slider having an illumination device in accordance with the present invention
- Figure 4 shows a perspective view of one embodiment of a tent peg having an illumination device in accordance With the present invention
- Figure 5 shows a perspective view of one embodiment of a novelty item having an illumination device in accordance with the present invention
- Figure 6 shows a perspective view of one embodiment of a whistle having an illumination device in accordance with the present invention
- Figure 7 shows a perspective view of a one embodiment of a pull handle having an illumination device in accordance with the present invention
- Figure 8 shows a perspective view of one embodiment of a marker device having an iUumination device in accordance with the present invention
- Figure 9 shows a perspective view of one embodiment of a pull tag having an illumination device in accordance with the present invention
- Figure 10 shows a perspective view of another embodiment of a pull tag having an illumination device in accordance with the present invention
- Figure 11 shows a perspective view of yet another embodiment of a pull tag having an illumination device in accordance with the present invention
- Figure 12A shows a perspective view of one embodiment of a fishing float having an illumination device in accordance with the present invention
- Figure 12B shows a cross-section view of an embodiment of a spherical fishing float having an illumination device in accordance with the present invention
- Figure 13 shows a perspective view of one embodiment of a portable illumination device in accordance with the present invention.
- Figure 14 shows a perspective view of another embodiment of an illumination device in accordance with the present invention.
- Figure 15A shows a perspective view of anothe embodiment of an illumination device in accordance with the present invention arranged for use with a fishing rod;
- Figure 15B shows a perspective view of the embodiment of the illumination device shown in Figure 15A when assembled with a holder used for attachin the device to a fishing rod;
- Figure 1 shows a perspective view of one embodiment of a collar having an illumination device in accordance with the present invention.
- FIG. 1 shows one embodiment of an illumination device 2 in accordance with the present invention.
- the illumination device 2 comprises a body 6 arranged for providing a region of space 10 for accommodating a quantity of photoluminescent material 14 so that a portion of the material is in radiant communication with ambient light (which may comprise artificial and/or natural light).
- the region of space 10 is defined by a chamber 18 in which the quantity of photoluminescent material is housed.
- the chamber 18 may be defined by one or more walls arranged so that at least a region of one of the walls of the chamber 18 allows the portion of the photoluminescent material to be in radiant communication with ambient light.
- Photoluminescent materials (often termed photoluminous materials or pigments) generally comprise rare-earth doped alkali and/or alkaline earth metal aluminates, alumino-silieates, alumino-phosphates and alumino-phospho-silicates, with optional halogenation.
- photoluminescent materials When photoluminescent materials are exposed to a source of excitation such as light, they emit the absorbed energy as a wavelength of visible light - generally referred to as an afterglow having a characteristic luminescence lasting for a characteristic period of time (hereinafter, afterglow duration) .
- Examples of such photoluminescent materials absorb, store and emit visible Ught repeatedly, and have been shown to have an extremely long lifetime - in some cases up to around 10 years.
- photoluminescent materials are widely available.
- one class of photoluminescent materials are the halogenated alkali earth metal aluminates containing rare earth doping.
- Such photoluminescent materials include those with the following formula (as described in Patents Cooperation Treaty (PCT) international application PCT/AU2009/001013 published as WO 2010/017580):
- M is an alkali earth metal selected from one or more of Sr, Ca, Mg and Ba
- X is a halogen selected from F, CI, Br and I
- O is oxygen
- Al is aluminium
- R is one or more rare earth element activators selected from the elements Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm and Yb
- a, b, c and f are variables having values in moles per 100 grams.
- alkali and/or alkaline earth metal alumino-phospho- silicates with rare earth metal doping. These materials may include the following components (as described in WO 2010/017580):
- L is selected from Na, and/or K
- M is a divalent metal selected from one or more of the group consisting of Sr, Ca, Mg and Ba
- Al, Si, P and O represent their respective elements
- R is selected from one or more rare earth element activators.
- Rare earth element activators can be selected from one or more of Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm and Yb and Lu, with a combination of Eu with a second rare earth activator being one notable example.
- Other embodiments of suitable photoluminescent materials may be characterized by the following further generic formula:
- M is an alkaline earth metal
- N Silicon or Aluminium
- O Oxygen
- Eu Europium
- RE any rare earth element
- the photoluminescent material is preferably not mixed with any a medium and preferably remains in its raw or crystal form. It is thought that the afterglow luminance and afterglow duration that results when the photoluminescent material is provided in its crystal form becomes compromised when mixed with a host medium. This results in the end product exhibiting (depending on ratios mixed with the host medium) less than 100% of the afterglow luminance and afterglow duration than is the case when the
- photoluminescent material is maintained in its crystal form.
- a composite mixture that is made up of 50% host medium and 50%
- photoluminescent material may result in an afterglow luminance and afterglow duration of 50%.
- photoluminescent material preferred comprises a europium doped strontium aluminate having the following components: SrAl 2 0 4 :Eu +2 , Dy +2 , B* 3 , and characterized by the following chemical formula: AlxSryCa(l-y)Oz:Eu Dy.
- the size of the photoluminescent material's crystal also effects the afterglow performance of the material.
- the photoluminescent pigments are incorporated or mixed with different mediums, the initial glow and afterglow characteristics can be significantly reduced.
- the inventors have found that a crystal size in the range from 500,000 um to 2,000,000 ⁇ (0.5-2.0 mm) provides the most favourable results - contrasting starkly with the sizes used when the material is used as an additive (often in the range from 45-65 um). This is thought to result due to the larger crystal size being able to absorb and store more energy.
- the preferred crystal size for use with the present invention is considered unique as the particle size is too large for mixing with a host medium to obtain a uniform mixture. Furthermore, even if such a crystal size were to be used in a host medium, the resulting composition will not result in a favourable afterglow intensity due to the photoluminescent material being a mere constituent or additive - which has been found to be disadvantageous as discussed above.
- the inventors also considered the effects of certain coloured afterglows.
- the photoluminescent material of preference has a colour appearance of 'light-yellow' in normal daytime ambient light. This colour provides an afterglow of yellow- green' in low light conditions.
- certain coloured dyes for example peach, orange, green, blue, pink, and yellow
- peach, orange, green, blue, pink, and yellow added to the photoluminescent material.
- These coloured dyes gave the appearance of the stated colours in daytime ambient light conditions.
- their afterglow luminance and afterglow duration was found to be severely compromised. It is thought that this is due to the dye being added and mixed with the
- the first photoluminescent material appeared 'light- yellow' (in its natural state) in ambient daytime conditions and provided an afterglow colour of 'yellow-green' in low light conditions. Testing both materials in accordance with International Commission of Illumination (CIE) Standard iUuminant D65, the first photoluminescent material provided an afterglow luminance of around 6400 mcd/m 2 after one minute (having been excited or 'charged' for 10 minutes by 1000 LUX), and an afterglow of 120 mcd/m 2 (averaged) for a subsequent 12 hour period.
- CIE International Commission of Illumination
- the second photoluminescent material appeared 'light-yellow' (in its natural state) in daytime ambient conditions, and provided an afterglow of a 'blue-green' colour in low light conditions.
- the second photoluminescent material exhibited an afterglow luminance of 3580 mcd/m 2 after one minute (having been excited or 'charged' for 10 minutes by 1000 LUX) and provided an afterglow of 140 mcd/m 2 (averaged) for a subsequent 12 hour period. Both photoluminescent materials were considered to provide the desired afterglow luminance and afterglow duration for use with the illumination device of the present invention.
- photoluminescent materials when used in its raw crystal form, may be used with any of the embodiments of the present invention described and shown herein.
- the photoluminescent material is broadly processed as follows: the requisite raw materials are obtained and mixed together in the desired ratios. The resulting niixture is then oven baked so as to form a solid crystal formation which is then processed and screened to obtain the final desired particle size.
- the body 6 is arranged so that the photoluminescent material (within the chamber) is in radiant communication with the ambient light. Such arrangement allows the photoluminescent material to absorb energy (ie, the 'charging' process) from the ambient light (from sources such as sunlight and artificial light emitted from lamps and the like).
- the body of each individual product is preferably transparent in appearance. This allows artificial light or sunlight to penetrate through the transparent material so the photoluminescent material may absorb as much energy as possible from the light source in order to become sufficiently excited and emit the desired afterglow effect in low ambient light conditions.
- the inventors have determined that a clear transparent plastic body provides a favourable afterglow luminance and afterglow duration.
- the body 6 is therefore formed from a suitable material so as to have sufficient transparency to ensure the photoluminescent material may absorb as much energy from the ambient light as possible. As will become evident, the body may be of many different shapes and sizes.
- the body components of all embodiments described herein are preferably arranged to be suitably transparent but can be tinted with different colours (such as for example 'transparent purple', 'transparent blue', 'transparent green', 'transparent yellow', 'transparent orange', and 'transparent pink') for aesthetic purposes provided the body remains sufficiendy transparent to ensure the photoluminescent material is exposed to ambient light.
- all the body components are formed of any suitable plastic material capable of being used in typical injection moulding manufacturing processes.
- ROYGBIV Furthermore, if the object absorbs aU of the frequencies of visible light except for the frequency associated with blue light, then the object will appear blue in the presence of ROYGBIV. This is basically associated with the
- the chamber 18 may therefore be arranged with the body 6 so to increase the surface area of the waU(s) which define the chamber.
- the increased surface area of the waU(s) defining the chamber provides for increased exposure of the photoluminescent material to ambient Ught.
- the body 6 comprises a rectangular elongate soUd and the chamber 18 is commensurately shaped so as to occupy as much as possible of the internal volume of the body in order to increase the exposure of the photoluminescent material to ambient light.
- the respective chambers are generally inset at a uniform distance within their respective bodies. Furthermore, as with the body, the waU(s) defining the chamber are of sufficient transparency to ensure the photoluminescent material is readily exposed to ambient light.
- the illumination device 2 of the present invention may be arranged to be associated with many types of articles or products.
- the general general description of the illumination device 2 of the present invention may be arranged to be associated with many types of articles or products.
- desigrVmanufacturing process is as follows: a body of the article (to which the illumination device is to be applied) is designed and arranged to provide a generally internal chamber. Generally, the body is designed and provided as one separate mould. Another mould is then made for a cap which attaches to the body to seal the chamber.
- the body having the chamber, and the cap.
- the body is then placed into an automated machine that automatically fills each chamber with the photoluminescent material.
- the photoluminescent material is preferably arranged within the chamber so the material cannot move around in the chamber (ie. tightly packed within the chamber) .
- the automated machinery then ultrasonically welds the cap in position thereby closing and sealing the chamber.
- the body of the article is produced in two halves, the chamber filled with photoluminescent material, and both halves ultrasonically welded together.
- the article may then be oven baked to ensure the chamber is appropriately sealed.
- the chamber must be sealed so as to be completely water resistant/water proof.
- FIGS 2 and 3 each show different embodiments of a guy rope slider 22 having a body 2 within which a chamber 30 is provided that is filled with a quantity of photoluminescent material 34.
- the body 26 of the guy rope slider 22 is provided with a number of apertures 38 (three for the embodiment shown in Figure 2 and one for the embodiment shown in Figure 3) which are appropriately sized to allow a guy rope for a tent or the like to pass therethrough.
- the body 26 is formed from a transparent material so that the photoluminescent material 34 housed in the chamber 30 is exposed to ambient light.
- the chamber 30 is shaped commensurate with that of the body 26 to ensure that as much of the photoluminescent material as possible (within the structural constraints of the material used to form the body 26) is exposed to ambient light. It will be understood that the guy rope slider 22 could be formed in many different shapes and/or sizes.
- Figure 4 shows one embodiment of a tent peg 42 having an illumination device 2.
- the tent peg 42 comprises an elongate body 46 having a first end 50 and a second end 54.
- the first end 50 of the peg 42 is arranged so that it may be insertable in the ground to a sufficient depth to allow the peg to be capable of securing a guy rope for a tent.
- the first end 50 is of suitable construction so as to be capable of penetrating various densities of ground.
- the second end 54 is provided with a body portion 56 having a chamber 58 provided therein into which photoluminescent material 62 may be placed.
- the second end 54 is also provided with a hook portion 66 so that, when in use, a loop formed in a guy rope may be caught thereby.
- the second end of the elongate body 46 ma be of sufficient construction (shape and material) so as to with stand the impact of a mallet/hammer or the like so the peg 42 may be inserted appropriately into the ground.
- the elongate body 46 also comprises web portions 70 extending along the length of the body which act to provide sufficient structural rigidity to the peg 42 when in use.
- the body portion 56 is square in shape and the chamber 58 is provided of commensurate shaping (square in shape) occupying a substantial portion of the body portion 56 in order to provide as much exposure of the photoluminescent as possible to ambient light.
- the chamber 58 is provided of commensurate shaping (square in shape) occupying a substantial portion of the body portion 56 in order to provide as much exposure of the photoluminescent as possible to ambient light.
- the chamber 58 may be arranged to extend along the length of the elongate body 46 of the peg and/or within one or more of the webs portions 70.
- the illumination device 2 is formed integral with the elongate body 46.
- the elongate body 46 of the peg 42 may be fabricated as a separate component and associated with the illumination device 2 by way of a suitable fastening system during an assembly stage.
- suitable fastening systems may comprise any known suitable adhesive (such as glues or epoxies) or mechanical systems (such as nut and bolt fastening systems) that ensure the illumination device 2 remains with the body 46 when the peg 42.
- the body 46 of the peg 42 may be formed from steel (or any other suitable metallic material) and then assembled together with an illumination device 2 formed from plastic.
- the body of the peg is of sufficient structural rigidity to withstand the repeated impact (direct or indirect) necessary to secure the tent peg in the ground.
- the relevant fastening system selected is of sufficient strength to ensure the device does not separate from the tent peg when subject to repeated direct or indirect impacts.
- Embodiments of the illumination device 2 may be used to provide various novelty items.
- Figure 5 shows a novelty item 74 having a body 78 (in this instance shaped as the letter 'A") within which there is provided a chamber 82 for housing the photoluminescent material 86.
- the chamber 82 is arranged commensurate with the geometry of the body 78 to maximize exposure of the photoluminescent material 86 to ambient light.
- the body 78 is further arranged with an aperture 90 configured to receive an attachment means such as a key-ring 4 so that the novelty item 74 may be removably attachable to another article.
- the novelty item 74 may take the form of many other shapes such as for example letters, numerals, symbols and notations used in known languages (including those used in the mathematical and scientific arts). Such items may be used for example as education aids.
- the illumination device 2 may be employed to provide a range of safety devices as shown in Figures 6, 7 and 8.
- Figure 6 shows a whistle 98 having a transparent elongate body 102 within which there is provided a chamber 106 for housing a quantity of photoluminescent material 110.
- the body 102 of the whistle is further provided at one end with an aperture 114 arranged to receive a retaining means such as a small gauge rope arranged in a loop or similar.
- Figure 7 shows a pull handle 122 and Figure 8 shows a marker device 126 which may be associated with a variety of articles such as scuba diving gear, emergenc whistles, back pack products, and the like.
- the marker device 126 will be rectangular in shape and the chamber will be of commensurate shaping to exploit the surface area of the body. It will be appreciated that the marker device 126 may come in a range of different sizes and shapes.
- the pull handle 122 and the marker device 126 maybe secured to such equipment using any known appropriate fastening system (such as for example mechanical and adhesive fastening systems) known in the art.
- the illumination device of the present invention may be arranged for use with garments.
- Figures 9 to 11 show respective embodiments of pull tags 130, 134 and 138 arranged for use with various types of fastening arrangements used on garments. As will be evident from the figures, the arrangement of the pull tags follows that of the previous examples. It will be understood that the pull tags may be provided in different shapes and sizes.
- the illumination device of the present invention may be used with buoyant articles such as for example fishing floats.
- Figure 12A shows a fishing float 142 having a body 146 and an internal chamber 150 housing the photoluminescent material 154.
- the body 146 further comprises an aperture formed through the length of the body so that a fishing line 159 or similar may be passed
- a further chamber may be provided within the body 146 to provided additional buoyancy and are not intended to house photoluminescent material.
- further buoyancy chambers may be of any shape and size depending on the specific buoyancy characteristics required, and may be located at any position within or on the float body.
- the float body 144 may be arranged having a centrally orientated buoyancy chamber 151, and the chamber 152 housing the photoluminescent material configured to be provided between the external surface 156 of the body 144 and the central buoyancy chamber 151.
- the outermost wall defining the chamber housing the photoluminescent material may be inset from the surface of the body at a distance of approximately 3mm. It will be appreciated that this distance could be of any size.
- Such floats may be provided in various shapes and sizes.
- the illumination device of the present invention may be arranged with the following float types: the torpedo float, squiddler float, little squiddler float, small bobber float and large bobber float.
- float types the torpedo float, squiddler float, little squiddler float, small bobber float and large bobber float.
- Generally, such floats will be made out of transparent plastic (with a possible coloured tinting as appropriate) .
- the bobber floater may be provided in the shape of a sphere.
- photoluminescent material is housed will be shaped (commensurate with the shape of the body of the float) to exploit as much surface area of the float body as possible.
- a peripheral advantage of such floats being arranged to include the illumination device of the present invention is that they may be cast out further due to the increased weight due to inclusion of the photolurninescent material.
- the illumination device of the present invention may also be arranged to provide a convenient and cost effective portable light (such as a night light).
- Figure 13 shows an illumination device 160 having a body 161 arranged with a handle portion 162 provided at one end for handling purposes, and sharing all the characteristics of the previous examples. The skilled person will understand that the device 160 may be used as a portable night light for many different types of recreational activities.
- the illumination device of the present invention may be arranged for use with fishing equipment.
- Figure 14 shows an illumination device 166 having a body 170 through which an aperture is provided along an axis of the body for allowing a line such as a fishing line 174 or similar to pass therethrough.
- the device 166 is arranged to be secured to the fishing line so that the device 166 is submersible for providing illumination under water.
- Figure 15A and 15B both show an illumination device 180 arranged for use with a fishing rod.
- the device 180 comprises an elongate body 184 having a chamber 188 provided therein for housing the photolurninescent material.
- the device 180 is removably attached to the fishing rod by a fastening means such as a holder 192.
- the holder 192 is arranged having a first side 196 configured to receive the body 184, and a second side 200 arranged to releasably secure the holder 192 to the fishing rod.
- the first side 196 comprises opposing end portions 204, 208 which are spaced and configured to releasably receive the body 184.
- the end portions 204, 208 are suitably arranged to ensure a push-fit or snap-fit engagement between the device 180 and the holder 192 results. It will be appreciated that other forms of engagement between the device 180 and the holder 192 can be employed.
- the second side 200 of the holder 192 comprises a fastening means in the form of two retainers 212 each arranged to releasably receive a portion of the fishing rod.
- Fishing rods typically comprise two rod sections (conventionally a top section and a bottom section) which are assembled for use. As such, the illumination device may be associated with either or both sections.
- each of the retainers 212 comprise circular bushings 216 having an opening 220 through which the fishing rod may be pushed so that the rod is appropriately embraced by each bushing.
- the openings 220 are provided on opposite sides of the respective bushings 216 to minimise the risk of the rod inadvertently coming free from the embrace of the bushings.
- Each of the bushings 216 may be dimensioned according to the region of the fishing rod the holder is intended to attach with; such as for example, the tip section of the fishing rod. It will be appreciated that other forms of engagement between the holder 192 and the fishing rod could be employed.
- the illumination device may be arranged integral with the rod.
- the illumination device may be arranged integral with one or more of the respective sections.
- the illumination device of the present invention may also be arranged for use with collars for pets such as a dogs and cats.
- Figure 16 shows a pet collar 224 comprising an illumination device 228.
- the collar 224 comprises a band 232 (made from a suitable substrate such as leather for example) with the iUumination device 228 attached thereto on a side of the band that is intended to be outwardly facing when in use.
- the illumination device 228 comprises a body 236 of generally planar rectangular profile having a commensurately shaped chamber. It will be appreciated that the illumination device 228 may be arranged in different shapes and sizes. As with the manufacturing and assembly outlined earlier for previous embodiments, the photoluminescent material will be tightly packed into the rectangular chamber.
- the associated cap will be rectangular so as to fit over the rectangular chamber and ultrasonically welded in position before being oven baked so the chamber is water resistant/proof.
- the body, chamber and cap will be transparent clear (with a possible coloured tinting as appropriate) so as to give the desired afterglow intensity.
- the device is then glued to the desired substrate (such as for example leather) to form the pet collar.
- the illumination device 228 is associated with the band (using any known affixing means in the art such as suitable adhesives) so that, when the collar is applied to the pet, the device 228 is positioned so as to maximise its exposure to sunlight; for example, when the collar is placed around the neck of a cat, the illumination device is preferably located behind the neck.
- the collars can be provided in a variety of sizes, shapes, and may be formed from materials having suitable elasticity so that the may easily adopt or adapt to the shape of the collar or band when applied to the pet or animal. It will also be appreciated that such collars or bands may also be arranged as novelty decorations to be worn by children.
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Abstract
Le dispositif d'éclairage selon l'invention comprend un corps servant à produire une zone d'espace logeant une quantité de matériau photoluminescent (ledit matériau étant de préférence un aluminate de strontium dopé avec une terre rare et/ou du bore ou un aluminate de métal alcalino-terreux halogéné). Ledit dispositif est conçu de telle sorte qu'il peut être agencé de manière amovible ou fixé intégralement à un article comme un vêtement, sac à dos, article flottant, bateau, canne à pêche, piquet de tente, col, fermeture à glissière, sifflet ou dispositif de mode. L'invention concerne aussi des méthodes de fabrication d'un tel dispositif, tant sous forme de récipient fermé contenant le matériau photoluminescent que sous forme d'un substrat sur lequel est appliqué le matériau photoluminescent puis recouvert d'une couche couvrante.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/AU2010/001266 WO2012040764A1 (fr) | 2010-09-27 | 2010-09-27 | Dispositif d'éclairage |
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PCT/AU2010/001266 WO2012040764A1 (fr) | 2010-09-27 | 2010-09-27 | Dispositif d'éclairage |
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WO2012040764A1 true WO2012040764A1 (fr) | 2012-04-05 |
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PCT/AU2010/001266 WO2012040764A1 (fr) | 2010-09-27 | 2010-09-27 | Dispositif d'éclairage |
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Cited By (3)
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US20120056131A1 (en) * | 2010-09-03 | 2012-03-08 | Stephen Roy Nagel | Glow-in-the dark for a Lighting Source including Flexible Packaging for such Light Source |
FR3027486A1 (fr) * | 2014-10-23 | 2016-04-29 | Arnaud Courty | Collier lumineux pour animaux |
WO2022034350A1 (fr) * | 2020-08-10 | 2022-02-17 | Genima Innovations Marketing Gmbh | Procédé pour simplifier le montage et le démontage de tentes au moyen de repères fluorescents |
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US20120056131A1 (en) * | 2010-09-03 | 2012-03-08 | Stephen Roy Nagel | Glow-in-the dark for a Lighting Source including Flexible Packaging for such Light Source |
US9028717B2 (en) * | 2010-09-03 | 2015-05-12 | Stephen Roy Nagel | Glow-in-the dark for a lighting source including flexible packaging for such light source |
FR3027486A1 (fr) * | 2014-10-23 | 2016-04-29 | Arnaud Courty | Collier lumineux pour animaux |
WO2022034350A1 (fr) * | 2020-08-10 | 2022-02-17 | Genima Innovations Marketing Gmbh | Procédé pour simplifier le montage et le démontage de tentes au moyen de repères fluorescents |
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