WO2009101627A2 - Lamp with heat -responsive decoration - Google Patents
Lamp with heat -responsive decoration Download PDFInfo
- Publication number
- WO2009101627A2 WO2009101627A2 PCT/IL2009/000174 IL2009000174W WO2009101627A2 WO 2009101627 A2 WO2009101627 A2 WO 2009101627A2 IL 2009000174 W IL2009000174 W IL 2009000174W WO 2009101627 A2 WO2009101627 A2 WO 2009101627A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- back plate
- image
- illumination source
- front surface
- thermochromic material
- Prior art date
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.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2714787A CA2714787A1 (en) | 2008-02-14 | 2009-02-12 | Lamp with heat-responsive decoration |
EP09710835A EP2245360A2 (en) | 2008-02-14 | 2009-02-12 | Lamp with heat -responsive decoration |
CN200980105361XA CN101970250A (en) | 2008-02-14 | 2009-02-12 | Lamp with heat-responsive decoration |
US12/867,275 US20110045415A1 (en) | 2008-02-14 | 2009-02-12 | Lamp with heat-responsive decoration |
MX2010008878A MX2010008878A (en) | 2008-02-14 | 2009-02-12 | Lamp with heat -responsive decoration. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL189529 | 2008-02-14 | ||
IL18952908 | 2008-02-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2009101627A2 true WO2009101627A2 (en) | 2009-08-20 |
WO2009101627A3 WO2009101627A3 (en) | 2010-03-11 |
Family
ID=40957347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IL2009/000174 WO2009101627A2 (en) | 2008-02-14 | 2009-02-12 | Lamp with heat -responsive decoration |
Country Status (7)
Country | Link |
---|---|
US (1) | US20110045415A1 (en) |
EP (1) | EP2245360A2 (en) |
CN (1) | CN101970250A (en) |
CA (1) | CA2714787A1 (en) |
MX (1) | MX2010008878A (en) |
RU (1) | RU2010137894A (en) |
WO (1) | WO2009101627A2 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102305383B (en) * | 2011-05-30 | 2013-12-04 | 宁波市佰仕电器有限公司 | Method for manufacturing color-changing explosion-proof lamp and color-changing explosion-proof lamp |
ES2556159B1 (en) * | 2014-07-11 | 2016-11-14 | Zobele España, S.A. | Evaporator of volatile substances |
CN106352298B (en) * | 2016-08-18 | 2019-06-11 | 长兴金诺机械有限公司 | A kind of changeable decorative lamp of pattern |
CN106642002B (en) * | 2016-08-18 | 2019-05-24 | 仪征元益光电科技有限公司 | A kind of thermotropic circulation color-changed LED light |
US10676691B2 (en) * | 2017-09-18 | 2020-06-09 | Donald Douglas Little | Decorative candle holder with dynamic illuminated imagery |
Citations (5)
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 |
US4420218A (en) * | 1980-04-19 | 1983-12-13 | Institut Fiziki An Bssr | Method of object imaging |
US20010043469A1 (en) * | 2000-04-14 | 2001-11-22 | Carpenter M. Scott | Luminary device with thermochromatic label |
US7011425B2 (en) * | 2003-08-01 | 2006-03-14 | S.C. Johnson & Son, Inc. | Luminary product |
US20070020573A1 (en) * | 1999-12-21 | 2007-01-25 | Furner Paul E | Candle assembly with light emitting system |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3817686A (en) * | 1972-06-19 | 1974-06-18 | L Quittner | Simulated log burner |
SU1099310A1 (en) * | 1980-02-06 | 1984-06-23 | Ордена Трудового Красного Знамени Институт Физики Ан Бсср | Method of forming image |
US4462789A (en) * | 1981-11-25 | 1984-07-31 | Toyotomi Kogyo Co., Ltd. | Heating apparatus with decorative light effect |
CN2124632U (en) * | 1992-05-28 | 1992-12-16 | 黄建培 | Automatic temperature-display and changing-colour pattern plastic cup |
CN1101605A (en) * | 1993-10-12 | 1995-04-19 | 维华兴业有限公司 | Method for making temperature sensitive colour changing pattern on substrate |
US6497919B1 (en) * | 1996-04-17 | 2002-12-24 | Industrial Thermo Polymers Limited | Two-part coated foam structure |
US20080050540A1 (en) * | 2006-08-23 | 2008-02-28 | Peter Christofer | Thermochromic display assembly |
-
2009
- 2009-02-12 MX MX2010008878A patent/MX2010008878A/en not_active Application Discontinuation
- 2009-02-12 EP EP09710835A patent/EP2245360A2/en not_active Withdrawn
- 2009-02-12 RU RU2010137894/12A patent/RU2010137894A/en unknown
- 2009-02-12 US US12/867,275 patent/US20110045415A1/en not_active Abandoned
- 2009-02-12 CA CA2714787A patent/CA2714787A1/en not_active Abandoned
- 2009-02-12 WO PCT/IL2009/000174 patent/WO2009101627A2/en active Application Filing
- 2009-02-12 CN CN200980105361XA patent/CN101970250A/en active Pending
Patent Citations (5)
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 |
US4420218A (en) * | 1980-04-19 | 1983-12-13 | Institut Fiziki An Bssr | Method of object imaging |
US20070020573A1 (en) * | 1999-12-21 | 2007-01-25 | Furner Paul E | Candle assembly with light emitting system |
US20010043469A1 (en) * | 2000-04-14 | 2001-11-22 | Carpenter M. Scott | Luminary device with thermochromatic label |
US7011425B2 (en) * | 2003-08-01 | 2006-03-14 | S.C. Johnson & Son, Inc. | Luminary product |
Also Published As
Publication number | Publication date |
---|---|
US20110045415A1 (en) | 2011-02-24 |
CN101970250A (en) | 2011-02-09 |
EP2245360A2 (en) | 2010-11-03 |
CA2714787A1 (en) | 2009-08-20 |
MX2010008878A (en) | 2010-11-30 |
RU2010137894A (en) | 2012-03-20 |
WO2009101627A3 (en) | 2010-03-11 |
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