EP2245360A2 - Lampe à décoration sensible à la chaleur - Google Patents

Lampe à décoration sensible à la chaleur

Info

Publication number
EP2245360A2
EP2245360A2 EP09710835A EP09710835A EP2245360A2 EP 2245360 A2 EP2245360 A2 EP 2245360A2 EP 09710835 A EP09710835 A EP 09710835A EP 09710835 A EP09710835 A EP 09710835A EP 2245360 A2 EP2245360 A2 EP 2245360A2
Authority
EP
European Patent Office
Prior art keywords
back plate
image
illumination source
front surface
thermochromic material
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Withdrawn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
EP09710835A
Other languages
German (de)
English (en)
Inventor
Ezer Shitrit
Shlomo Avital
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.)
KEDUSHA IP HOLDINGS LLC
Original Assignee
Shitrit Ezer
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 Shitrit Ezer filed Critical Shitrit Ezer
Publication of EP2245360A2 publication Critical patent/EP2245360A2/fr
Withdrawn legal-status Critical Current

Links

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
    • F21V35/00—Candle holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • B44F1/08—Designs or pictures characterised by special or unusual light effects characterised by colour effects
    • B44F1/10—Changing, amusing, or secret pictures
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/12—Advertising or display means not otherwise provided for using special optical effects

Definitions

  • the present invention relates generally to decorative lighting, and specifically to lamp and candle holders.
  • thermochromic materials in decorative lighting is known in the art.
  • U.S. Patent 6,544,448 whose disclosure is incorporated herein by reference, describes a luminary device with a thermochromic label.
  • a decorative web of heat-shrinkable polymer is heat-shrunk to conform to the shape of a candle or candle holder.
  • the web is decorated with a thermochromic ink or pigmentation, which changes visibly when the candle is burned.
  • a lighting product comprises a holder for an illumination source, such as a candle, and a frame, which is attached to the holder.
  • the frame comprises a back plate having a front surface adjacent to the illumination source.
  • a layer of a thermochromic material disposed on the front surface of the back plate, alters the appearance of the back plate in response to heat emitted by the illumination source.
  • the thermochromic material is opaque at ambient temperature and becomes transparent in response to the heat emitted by the illumination source.
  • the layer of the thermochromic material may optionally comprise a second image, which is visible at the ambient temperature and becomes transparent in response to the heat so as to reveal the first image .
  • Fig. 1 is a schematic, pictorial illustration of a lighting product, in accordance with an embodiment of the present invention
  • Figs. 2A and 2B are schematic, pictorial illustrations showing a reaction of the lighting product of Fig. 1 to heat emitted by a candle, in accordance with an embodiment of the present invention.
  • Fig. 3 is a schematic, sectional illustration of the lighting product of Fig. 1, in accordance with an embodiment of the present invention.
  • Fig. 1 is a schematic, pictorial illustration of a lighting product 20, in accordance with an embodiment of the present invention.
  • Product 20 comprises a frame 21, comprising a base 22 and a back plate 26 mounted on the base.
  • a holder 24 for an illumination source is also mounted on base 22.
  • holder 24 is designed to hold a candle, but the holder may alternatively be adapted to hold any suitable sort of illumination source, such as an electric lamp or oil with a wick, which serves as an oil lamp.
  • Back plate 26 is roughly perpendicular to base 22.
  • the front surface of back plate 26 i.e., the surface that is seen by a user or viewer of product 20 and is shown in this figure
  • Back plate 26 may also comprise a canopy 28, which extends forward over the illumination source in holder 24 and may help in capturing the heat emitted by the illumination source.
  • a protective plate 30 may be mounted behind the back surface of the back plate in order to protect people and objects from exposure to the hot back plate.
  • FIGs. 2A and 2B are schematic, pictorial illustrations showing the reaction of product 20 to heat emitted by a candle 32 in holder 24.
  • Fig. 2A shows the appearance of back plate 26 immediately after lighting the candle, whereas Fig. 2B shows the change in appearance of the back plate after heating by the candle for a period of time.
  • thermochromic material is chosen so that at ambient temperature (for example, in the range of 2O 0 C) , the thermochromic layer is opaque, and image 34 is hidden from view, as shown in Fig. 1. As the temperature of back plate 26 rises, the thermochromic material gradually becomes transparent, and image 34 is revealed, as shown in Figs. 2A and 2B.
  • the thermochromic layer may be uniform, so that back plate 26 is blank until heated by candle 32.
  • the thermochromic material may comprise a second image (not shown) , overlying image 34, so that the second image is visible at ambient temperature and becomes transparent in response to the heat from candle 32 so as to reveal the first image .
  • Fig. 3 is a schematic, sectional view of product 20, taken along the line III-III in Fig. 1, in accordance with an embodiment of the present invention.
  • base 22, back plate 26 and protective plate 30 are made from a suitable metal, such as brass. Alternatively, some or all of these parts may be made from other materials, such as ceramic, glass, or heat-resistant plastic.
  • a back surface 40 of back plate 26 is shown in this figure as being in contact with protective plate 30, there may alternatively be an air gap or other insulating layer between surface 40 and plate 30.
  • a layer 44 of pigment, defining image 34, is disposed on a front surface 42 of back plate 26 and is overlaid by a layer 46 of thermochromic material.
  • Layers 44 and 46 may be printed directly onto surface 42, or they may alternatively be printed on a substrate, such as chromo paper, which is then glued onto or otherwise affixed to the surface.
  • Layer 44 may comprise any suitable ink, and image 34 is typically printed in this layer using a standard monochrome or four-color printing process .
  • Layer 46 may comprise any suitable type of thermochromic material, such as a leuco-based ink or pigment, as is known in the art.
  • the type of material and thickness of layer 46 are chosen so that the layer becomes transparent at the desired temperature. In the kind of design shown in Figs. 1-3, using candle 32 as the source of heat, layer 46 is typically printed to a thickness of 1.5 - 2 ⁇ m. A dark-colored leuco dye may be advantageous to hide image 34 completely until back plate 26 is heated. A second image, which is seen when back plate 26 is at ambient temperature, may be printed in layer 46 or over layer 46 using an additional thin layer of thermochromic ink.
  • layer 44 may be omitted, and the desired image may be formed in layer 46 using a suitable thermochromic material so that the image is invisible at ambient temperature and becomes visible when the thermochromic material is heated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

L'invention porte sur un produit d'éclairage comprenant un support pour une source d'éclairage, un cadre attaché au support comprenant une plaque arrière ayant une surface avant adjacente à la source d'éclairage, et une couche d'un matériau thermochromique, qui est agencée sur la surface avant de la plaque arrière de façon à modifier une apparence de la plaque arrière en réponse à de la chaleur émise par la source d'éclairage.
EP09710835A 2008-02-14 2009-02-12 Lampe à décoration sensible à la chaleur Withdrawn EP2245360A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL18952908 2008-02-14
PCT/IL2009/000174 WO2009101627A2 (fr) 2008-02-14 2009-02-12 Lampe à décoration sensible à la chaleur

Publications (1)

Publication Number Publication Date
EP2245360A2 true EP2245360A2 (fr) 2010-11-03

Family

ID=40957347

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09710835A Withdrawn EP2245360A2 (fr) 2008-02-14 2009-02-12 Lampe à décoration sensible à la chaleur

Country Status (7)

Country Link
US (1) US20110045415A1 (fr)
EP (1) EP2245360A2 (fr)
CN (1) CN101970250A (fr)
CA (1) CA2714787A1 (fr)
MX (1) MX2010008878A (fr)
RU (1) RU2010137894A (fr)
WO (1) WO2009101627A2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102305383B (zh) * 2011-05-30 2013-12-04 宁波市佰仕电器有限公司 变色防爆灯的制作方法及其产品
ES2556159B1 (es) * 2014-07-11 2016-11-14 Zobele España, S.A. Dispositivo evaporador de sustancias volátiles
US10797206B2 (en) * 2015-07-23 2020-10-06 Lumileds Llc Controlling off-state appearance of a light emitting device
CN106352298B (zh) * 2016-08-18 2019-06-11 长兴金诺机械有限公司 一种图案多变装饰灯具
CN106642002B (zh) * 2016-08-18 2019-05-24 仪征元益光电科技有限公司 一种热致循环变色led灯
US10676691B2 (en) * 2017-09-18 2020-06-09 Donald Douglas Little Decorative candle holder with dynamic illuminated imagery

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3244872A (en) * 1963-10-31 1966-04-05 James B Mccormick Handle and candle holder for jack-o'-lantern
US3817686A (en) * 1972-06-19 1974-06-18 L Quittner Simulated log burner
SU1099310A1 (ru) * 1980-02-06 1984-06-23 Ордена Трудового Красного Знамени Институт Физики Ан Бсср Способ формировани изображений
US4420218A (en) * 1980-04-19 1983-12-13 Institut Fiziki An Bssr Method of object imaging
US4462789A (en) * 1981-11-25 1984-07-31 Toyotomi Kogyo Co., Ltd. Heating apparatus with decorative light effect
CN2124632U (zh) * 1992-05-28 1992-12-16 黄建培 自动显温变色图案塑料水杯
CN1101605A (zh) * 1993-10-12 1995-04-19 维华兴业有限公司 一种基材上感温变色图案的制法
US6497919B1 (en) * 1996-04-17 2002-12-24 Industrial Thermo Polymers Limited Two-part coated foam structure
US20070020573A1 (en) * 1999-12-21 2007-01-25 Furner Paul E Candle assembly with light emitting system
US6554447B1 (en) * 2000-04-14 2003-04-29 S. C. Johnson & Son, Inc. Candle product decorated with heat-shrinkable film and related method
US7011425B2 (en) * 2003-08-01 2006-03-14 S.C. Johnson & Son, Inc. Luminary product
US20080050540A1 (en) * 2006-08-23 2008-02-28 Peter Christofer Thermochromic display assembly

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009101627A2 *

Also Published As

Publication number Publication date
CA2714787A1 (fr) 2009-08-20
CN101970250A (zh) 2011-02-09
WO2009101627A2 (fr) 2009-08-20
WO2009101627A3 (fr) 2010-03-11
US20110045415A1 (en) 2011-02-24
RU2010137894A (ru) 2012-03-20
MX2010008878A (es) 2010-11-30

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Inventor name: AVITAL, SHLOMO

Inventor name: SHITRIT, EZER

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Effective date: 20110901