EP3552061B1 - Verre de montre avec élément luminescent - Google Patents

Verre de montre avec élément luminescent Download PDF

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Publication number
EP3552061B1
EP3552061B1 EP17800764.7A EP17800764A EP3552061B1 EP 3552061 B1 EP3552061 B1 EP 3552061B1 EP 17800764 A EP17800764 A EP 17800764A EP 3552061 B1 EP3552061 B1 EP 3552061B1
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EP
European Patent Office
Prior art keywords
glass
watch
luminizing
carrier
elements
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.)
Active
Application number
EP17800764.7A
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German (de)
English (en)
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EP3552061A1 (fr
Inventor
Michael Bonke
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.)
Realization Desal AG
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Realization Desal AG
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Filing date
Publication date
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Publication of EP3552061A1 publication Critical patent/EP3552061A1/fr
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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/30—Illumination of dials or hands
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/12—Selection of materials for dials or graduations markings
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/30—Illumination of dials or hands
    • G04B19/32—Illumination of dials or hands by luminescent substances
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses

Definitions

  • the invention relates to a watch glass with luminescent elements.
  • Dials with self-illuminating, fluorescent luminous dots are well known.
  • Associated hands that are filled with self-illuminating fluorescent material are also previously known.
  • the luminous dots on the dial and the self-luminous hands ensure that the wearer of the watch can read the time on their watch even at night without additional light.
  • the DE 10 2015 204613 A1 discloses a method for producing a watch glass in which at least one diamond or gemstone or other gemstone is embedded.
  • the method includes the steps of providing a carrier glass, providing a cover glass, introducing at least one recess into the carrier glass, providing at least one diamond, gemstone or other gemstone, inserting the at least one diamond, gemstone or gemstone into the at least a recess in the carrier glass, placing the cover glass on the carrier glass, and connecting the cover glass to the carrier glass in such a way that an airtight connection point is created between the cover glass and the carrier glass, which is subject to a suction cup effect.
  • the DE 10 2015 204613 A1 also relates to a watch glass which is produced according to the process and a watch which is provided with such a watch glass.
  • the EP 2 477 083 A1 discloses a clock having a base plate having at least one row of small lights for indicating the hours and a row of small lights for indicating the minutes, and an electrical or electronic controller for controlling the lights for indicating the hours and minutes.
  • the DE 880 071 C reveals a watch glass with recesses filled with glowing powder.
  • a watch glass which comprises a cover glass, a carrier glass which is connected to the cover glass to form a glass unit, and a luminescent element which is introduced into the glass unit.
  • the present invention relocates the placement of the luminous material in the form of a luminescent element into the watch glass. This ensures that when used of the watch glass of a watch, the self-illuminating luminous material emits its light rays directly to the viewer, thus making a time division clearly visible even in the dark or at night. On the other hand, the luminous material also emits its light in the opposite direction, into the interior of the watch, where the dial and the hands are located. The luminescent element thus illuminates both the hands and the dial, which are arranged under the watch glass.
  • the hands which are free of luminous material, can be freely designed.
  • other elements such as the numbers on the dial, etc., can also be selected without compromising on design and do not have any luminous material. This makes it possible to reduce the overall amount of luminous material where the luminous material interferes, namely on the dial and the hand(s). There it is reduced to the value zero.
  • an improved pattern can be achieved in terms of the distribution of the elements in the watch glass, which in turn leads to an improved appearance of the watch glass or watch.
  • the great advantage of the invention is that the luminescent element not only shines back at the viewer and is therefore seen itself. Rather, the luminescent element itself becomes an illuminator for the entire watch.
  • the luminescent element doesn't just want to be “seen”, it wants to illuminate.
  • the dial and hands do not light up, they are illuminated as if during the day or with external lighting. This is achieved because the luminescent element is integrated into the watch glass above the interior of the dial and the hands.
  • the cover glass is to be understood as a first glass and the carrier glass as a second glass.
  • the cover glass corresponds in particular to the glass which faces a viewer or faces away from the bottom of a watch case.
  • the carrier glass corresponds in particular to the glass that faces away from an observer or faces the bottom of the watch case.
  • Luminescent means that the element does not supply energy supplied from outside, for example from the sun, in whole or in part to its thermal energy, but is put into an excited state by the absorbed energy and emits light. If there is no activation process between the absorption of energy and the emission, then it is called fluorescence. When an excited intermediate state can "store" energy for a certain period of time, it is called phosphorescence.
  • fluorescence a very short afterglow as a direct consequence and side effect of the excitation
  • phosphorescence means a longer afterglow after excitation.
  • the term “luminescent” or “luminescence” serves as a generic term and includes the sub-terms “fluorescence” and “phosphorescence”.
  • At least one recess is provided in the watch glass, in which the luminescent element is arranged, the recess being formed in the cover glass and/or in the carrier glass.
  • the recess is particularly preferably formed completely in the carrier glass.
  • the luminescent element is therefore closer to a dial and the hands of a watch that has the watch glass described. This increases the intensity of the illumination of an area of the dial illuminated by the luminescent element.
  • the recess can preferably be formed in the carrier glass. This means that a larger area of the dial can be illuminated by the luminescent element.
  • Another advantage of a recess with luminescent material in the carrier glass is that the cover glass can then be free of recesses. This makes it easier to use sapphire glass as a cover glass, which is much more difficult to provide with a recess than the softer mineral glass of the carrier glass.
  • the use of sapphire glass as a cover glass or as a finish to the watch glass on the outside is advisable, as the scratch-resistant sapphire glass is preferred for high-quality watches.
  • the luminescent element is arranged centrally in the glass unit made of the carrier glass and the cover glass in the direction of the thickness of the glass unit.
  • the luminescent element is therefore preferably positioned centrally in the glass unit in a direction perpendicular to the glass unit or to the larger surface of the glass unit.
  • the luminescent element can preferably be designed as a gemstone, in particular diamond, and/or an index and/or time marking element, the gemstone, the index and the time marking element having luminescent properties.
  • the entire recess is filled by the luminescent element.
  • the luminescent element There is essentially no air in the recess. This means that light refraction that would otherwise occur at the boundary between air and the luminescent element can be avoided. This means that no light is lost or scattered due to such refraction.
  • the luminescent element only partially occupies the recess. This makes it easier to introduce the luminescent element into the recess.
  • the luminescent element designed as a fluorescent gemstone, in particular a fluorescent diamond, for example brilliant cut, is provided.
  • the luminescent element does not take up the entire recess.
  • Fluorescent gemstones preferably natural fluorescent diamonds, are used, and at least one black light LED is installed in the interior of the watch, which illuminates the fluorescent diamonds from below and causes them to fluoresce.
  • a black light LED is also provided when luminescent elements other than fluorescent gemstones are used.
  • an intermediate layer is provided between the cover glass and the carrier glass.
  • the intermediate layer preferably comprises a self-crosslinking film, in particular polymer film and/or adhesive film, a silicone layer and/or an adhesive which is in particular UV-curable.
  • the luminescent element can preferably be arranged in the intermediate layer.
  • the luminescent element is positioned completely in the intermediate layer.
  • a recess in the cover glass and/or in the carrier glass can be dispensed with.
  • a thickness of the luminescent element is smaller than a thickness of the intermediate layer.
  • a plurality of luminescent elements are preferably provided in the watch glass, the elements being arranged in the glass unit in a circumferential direction of the glass unit.
  • the luminescent elements lie on a circle in the glass unit.
  • the recess and/or the luminescent element are preferably designed and/or arranged in such a way that when the luminescent element lights up, light can emerge from at least 50% of an area of the underside of the carrier glass.
  • the light will initially emerge from the luminescence upwards. Daylight or a lighting medium that stimulates luminescence will first stimulate the upper layers of the luminous material and these will then increasingly shine back into the viewer's eye. In this case, the luminous material then passes on the energy downwards, in the form of light, which then stimulates the deeper layers of the luminous material.
  • luminescent element in the Phrase "Light emerges from X% of a surface” also includes a variety of luminescent ones elements is to be understood. In other words, the above statement about the percentage applies even if a large number of luminescent elements are provided.
  • Another advantage of positioning the luminous substance (luminescent elements) in the watch glass is that the light output of this substance is significantly optimized. If the luminous material is attached to the bottom of the interior of the clock, i.e. on the dial or on the hands, then only the light that radiates upwards, i.e. towards the viewer of the clock, has an effect. The light that radiates in the opposite direction, i.e. onto the dial or the hands on which the luminous material is placed, is lost to the viewer. Since in the present invention all the material surrounding the luminescent element or elements is transparent, there is an almost 100% yield of the emitted light. In this way, the effect of the luminous material (regardless of whether it is a chemical substance or a fluorescent gemstone) can be significantly optimized.
  • the invention further relates to a watch with a watch glass described above.
  • the Fig. 1 shows a watch 10 in the form of a wristwatch with a housing 11 and a watch glass 1 according to the invention, which is arranged in the housing 11.
  • the housing 11 and the watch glass 1 are circular, but can have any other shape such as. B. a rectangle, a polygon, etc. have.
  • the clock 10 also has a dial 12, which is designed, for example, as a gold leaf, as well as three hands 13 for displaying the hours, minutes and seconds, and two connections for a bracelet 14.
  • the clock 10 includes a clockwork 7 for operating the hands 13.
  • clocks are also conceivable that do not have 3, but only 2 hands.
  • the watch glass 1 is provided with luminescent elements 5.
  • luminescent elements 5 In particular, four luminescent elements 5 with a constant radius in the circumferential direction are arranged in the watch glass 1 at the same distance from one another.
  • the position and the number of the luminescent elements 5 can be chosen arbitrarily depending on the watch design. For example, it is also possible to install either just one luminescent element or two or twelve luminescent elements in the watch glass 1.
  • the Fig. 2 is a simplified, schematic view of a section AA of the watch glass 1 of Fig. 1 .
  • the watch glass 1 has a carrier glass 2 and a cover glass 3.
  • the carrier glass 2 and the cover glass 3 are preferably made of different types of glass.
  • the carrier glass 2 is a mineral glass and the cover glass 3 is a sapphire glass.
  • Other types of glass can also be used.
  • the carrier glass 2 can be made of sapphire glass or a polymer product, for example.
  • B. plexiglass, and / or the cover glass 3 can be made of mineral glass or plexiglass.
  • Recesses 4 are formed in the carrier glass 2 and serve to accommodate the luminescent elements 5. In Figure 2 two such recesses 4 can be seen. The recesses 4 are preferably formed exclusively in the carrier glass 2.
  • the corresponding luminescent element 5 is preferably completely arranged in each recess 4. This means that the luminescent element 5 preferably completely fills the associated recess 4.
  • the recesses 4 are not completely, i.e. only partially, filled by the luminescent elements 5. This is particularly the case when fluorescent gemstones, particularly preferably fluorescent diamonds, for example brilliant cut, are used as the luminescent elements 5.
  • the cover glass 3 and the carrier glass 2 are in particular circular and have the same diameter.
  • the glasses 2, 3 differ in their thickness, with the cover glass 3 preferably having a thinner shape. But it is also possible for the two glasses 2, 3 to have the same thickness.
  • an inner surface 20 of the carrier glass 2 and an inner surface 30 of the cover glass 3 are flat at the contact point of the two glasses 2, 3. According to an alternative embodiment, the inner surfaces 20, 30 can also be curved in the same and complementary manner.
  • the cover glass 3 and the carrier glass 2 are connected to one another via a connecting intermediate layer 6 (connecting layer).
  • the intermediate layer 6 can in particular as Adhesive film, laminating film, glue or another bonding compound can be formed.
  • the intermediate layer 6 is arranged between the cover glass 3 and the carrier glass 2. A seamless, airtight connection thus results between the cover glass 3 and the carrier glass 2.
  • the luminescent elements 5 can advantageously store light (arrows 100), in particular sunlight, when they are illuminated and release it again in the dark (arrows 101).
  • the cover glass 3, the carrier glass 2 and the luminescent elements 5 are first provided.
  • the recesses 4 for receiving the luminescent elements 5 are introduced into the carrier glass 2.
  • the luminescent elements 5 are then inserted into the recesses 4.
  • the intermediate layer 6 is applied to the carrier glass 2.
  • the intermediate layer 6 can, as already described, be a self-crosslinking polymer film, a thin silicone layer, a UV-curing adhesive or another connecting material.
  • the cover glass 3 is applied to the intermediate layer 6.
  • the intermediate layer 6 is preferably heated under vacuum and at the same time under pressure from above and below.
  • the carrier glass 2 and the cover glass 3 are connected to one another in such a way that the luminescent elements 5 are firmly integrated between the two glasses 2, 3 and that the entire structure becomes a solid glass unit 8.
  • the second embodiment of Fig. 3 differs from the first embodiment of Figures 1 and 2 basically because there are no recesses in the watch glass 1. Instead, the luminescent elements 5 are preferably embedded in the intermediate layer 6. In particular, the luminescent elements 5 lie on the inside 20 of the carrier glass 2.
  • the manufacturing process of the watch glass 1 according to the second exemplary embodiment corresponds to the manufacturing process of the watch glass 1 according to the first exemplary embodiment, except for the steps of introducing recesses into the carrier glass 2 and inserting the luminescent elements 5 into recesses.
  • the luminescent elements 5 are placed on the carrier glass 2.
  • the intermediate layer 6 is then applied to the carrier glass 2 or the luminescent elements 5.
  • the watch glass 1 comprises two glasses (cover glass and carrier glass). However, it is possible for the watch glass 1 to have several glasses, with successive glasses being connected to one another, in particular by an intermediate layer.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Claims (11)

  1. Verre de montre (1) d'une montre (10), qui présente un espace intérieur avec un cadran (12), des aiguilles (13) et au moins une DEL à lumière noire, dans lequel le verre de montre (1) comprend :
    - un verre de couverture (3),
    - un verre porteur (2), qui est relié au verre de couverture (3) pour former une unité de verre (8), et
    - des éléments luminescents (5), qui sont installés dans l'unité de verre (8),
    - dans lequel sont réalisés dans le verre de couverture (3) et/ou dans le verre porteur (2), des évidements (4), dans lesquels les éléments luminescents (5) sont disposés,
    - dans lequel les éléments luminescents (5) sont mis au point pour envoyer d'une part leurs rayons lumineux directement à un observateur et pour envoyer d'autre part leur lumière également dans l'espace intérieur et éclairer ainsi le cadran (12) et les aiguilles (13), et
    - dans lequel les éléments luminescents (5) sont des pierres précieuses fluorescentes et sont mis au point pour être éclairés depuis le bas par au moins une DEL à lumière noire montée dans l'espace intérieur de la montre (10) et pour être amenés à fluorescer.
  2. Verre de montre (1) selon la revendication précédente, caractérisé en ce que l'élément luminescent (5) est disposé au centre dans l'unité de verre (8) depuis le verre porteur (2) et le verre de couverture (3) en direction de l'épaisseur de l'unité de verre (8).
  3. Verre de montre (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément luminescent (5) est réalisé en tant que pierre précieuse, en particulier en tant que diamant, et/ou en tant qu'indication et/ou qu'élément marqueur de temps, qui présente des propriétés luminescentes.
  4. Verre de montre (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'évidement (4) entier est rempli par l'élément luminescent.
  5. Verre de montre selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une couche intermédiaire (6) est disposée entre le verre de couverture (3) et le verre porteur (2), par laquelle le verre de couverture (3) et le verre porteur (2) sont reliés l'un à l'autre.
  6. Verre de montre selon la revendication 5, caractérisé en ce que l'élément luminescent (5) est disposé dans la couche intermédiaire (6).
  7. Verre de montre (1) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une pluralité d'éléments luminescents (5) est prévue, dans lequel les éléments (5) sont disposés dans l'unité de verre (8) dans la direction périphérique de l'unité de verre (8).
  8. Verre de montre (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'évidement (4) et/ou l'élément luminescent (5) sont réalisés de telle manière et/ou sont disposés de telle manière que de la lumière peut sortir d'au moins 50 % de la surface d'un côté inférieur (20) du verre porteur (2) lors de l'éclairage de l'élément luminescent (5).
  9. Verre de montre (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que tout le matériau, lequel entoure l'élément luminescent (5), est transparent.
  10. Verre de montre (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le verre porteur (2) et le verre de couverture (3) sont réalisés à partir de types de verre différents ou identiques, dans lequel le verre porteur (2) est réalisé en particulier à partir de verre minéral et le verre de couverture (3) est réalisé en particulier à partir de verre saphir.
  11. Montre (10) comprenant un verre de montre (1) selon l'une quelconque des revendications précédentes, l'espace intérieur avec le cadran (12) et les aiguilles (13), et l'au moins une lumière noire de DEL.
EP17800764.7A 2017-02-02 2017-11-07 Verre de montre avec élément luminescent Active EP3552061B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017201676.0A DE102017201676B4 (de) 2017-02-02 2017-02-02 Uhrglas mit lumineszierendem Element
PCT/EP2017/078427 WO2018141428A1 (fr) 2017-02-02 2017-11-07 Verre de montre avec élément luminescent

Publications (2)

Publication Number Publication Date
EP3552061A1 EP3552061A1 (fr) 2019-10-16
EP3552061B1 true EP3552061B1 (fr) 2024-03-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP17800764.7A Active EP3552061B1 (fr) 2017-02-02 2017-11-07 Verre de montre avec élément luminescent

Country Status (5)

Country Link
US (1) US20190369562A1 (fr)
EP (1) EP3552061B1 (fr)
CN (1) CN110573969B (fr)
DE (1) DE102017201676B4 (fr)
WO (1) WO2018141428A1 (fr)

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JP6667113B2 (ja) * 2017-09-15 2020-03-18 カシオ計算機株式会社 表示部材および時計
DE102020112523B3 (de) 2020-05-08 2021-09-02 Realization Desal Ag Uhrglas mit einem dekorativen Element

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US20040213088A1 (en) * 2003-04-28 2004-10-28 Fuwausa Michelle J. Ultraviolet illumination of indicia, watches and other instruments
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Publication number Priority date Publication date Assignee Title
DE880071C (de) * 1949-12-14 1953-06-18 Louis Polo Insbesondere fuer Uhren bestimmtes Deckglas
US20040213088A1 (en) * 2003-04-28 2004-10-28 Fuwausa Michelle J. Ultraviolet illumination of indicia, watches and other instruments
CN202472254U (zh) * 2012-02-07 2012-10-03 深圳市百福珠宝有限公司 一种手表

Also Published As

Publication number Publication date
WO2018141428A1 (fr) 2018-08-09
CN110573969A (zh) 2019-12-13
DE102017201676B4 (de) 2019-08-14
EP3552061A1 (fr) 2019-10-16
CN110573969B (zh) 2023-02-10
DE102017201676A1 (de) 2018-08-02
US20190369562A1 (en) 2019-12-05

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