EP3069199B1 - Perlmutterziffernblatt für eine verborgene anzeige - Google Patents

Perlmutterziffernblatt für eine verborgene anzeige Download PDF

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Publication number
EP3069199B1
EP3069199B1 EP14798847.1A EP14798847A EP3069199B1 EP 3069199 B1 EP3069199 B1 EP 3069199B1 EP 14798847 A EP14798847 A EP 14798847A EP 3069199 B1 EP3069199 B1 EP 3069199B1
Authority
EP
European Patent Office
Prior art keywords
dial
display
display assembly
semi
assembly according
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
EP14798847.1A
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English (en)
French (fr)
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EP3069199A2 (de
Inventor
Michel Sagardoyburu
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.)
Swatch Group Research and Development SA
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Swatch Group Research and Development SA
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 Swatch Group Research and Development SA filed Critical Swatch Group Research and Development SA
Priority to EP14798847.1A priority Critical patent/EP3069199B1/de
Publication of EP3069199A2 publication Critical patent/EP3069199A2/de
Application granted granted Critical
Publication of EP3069199B1 publication Critical patent/EP3069199B1/de
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Anticipated expiration legal-status Critical

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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
    • G04B19/06—Dials
    • G04B19/10—Ornamental shape of the graduations or the surface of the dial; Attachment of the graduations to the dial
    • 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
    • G04B19/10—Ornamental shape of the graduations or the surface of the dial; Attachment of the graduations to the dial
    • G04B19/103—Ornamental shape of the graduations or the surface of the dial; Attachment of the graduations to the dial attached or inlaid numbers
    • 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
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C17/00—Indicating the time optically by electric means
    • G04C17/0091—Combined electro-optical and electro-mechanical displays
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0082—Visual time or date indication means by building-up characters using a combination of indicating elements and by selecting desired characters out of a number of characters or by selecting indicating elements the positions of which represents the time, i.e. combinations of G04G9/02 and G04G9/08
    • G04G9/0088—Visual time or date indication means by building-up characters using a combination of indicating elements and by selecting desired characters out of a number of characters or by selecting indicating elements the positions of which represents the time, i.e. combinations of G04G9/02 and G04G9/08 by controlling light sources, e.g. electroluminescent diodes
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/02—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques
    • G04G9/04—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques by controlling light sources, e.g. electroluminescent diodes
    • G04G9/047—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques by controlling light sources, e.g. electroluminescent diodes provided with means for displaying at will a time indication or a date or a part thereof
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/08—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques
    • G04G9/10—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques by controlling light sources, e.g. electroluminescent diodes
    • G04G9/107—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques by controlling light sources, e.g. electroluminescent diodes provided with means for displaying at will a time indication or a date or a part thereof
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals

Definitions

  • the present invention relates to a display assembly comprising a display comprising a light source and a semi-transparent element making it possible to show the display only when the latter is activated.
  • the dial of this watch is plastic or metal dial.
  • This dial has an opening so that the display can be seen by the user.
  • the LCD display will be glued to the underside of the dial to be attached to it.
  • a display assembly 1 which consists in arranging the display 4 and its electronic circuit 3 under the dial 2, the latter having no opening.
  • a semi-transparent dial is necessary for an electronic display hidden under a dial.
  • Such a semi-transparent dial allows in a first mode of use to camouflage the movement so that only the dial and its decoration are visible when the display is off, and in a second mode of use, to allow reading through the dial of the electronic display when this last is engaged.
  • a dial which will absorb the light or will diffuse it so that the user cannot see through the dial.
  • a piece of fine mother-of-pearl between 0.01 and 1 mm thick. This piece of fine mother-of-pearl is aesthetically interesting and translucent; it transmits light while diffusing it. This diffusion property makes it possible to camouflage the display and the movement; the greater the diffusion, the clearer the dial will appear.
  • the dial when the display is on, it is preferable for the dial to be as transparent as possible in order to transmit a greater luminance of the display to promote the contrast necessary for good reading.
  • the dial having the least possible diffusion in order to preserve the fineness of the illuminated details of the display placed under the dial.
  • the more the mother-of-pearl part diffuses the more the display will appear of poor quality.
  • An example of a parameter that can be modified is the thickness of the mother-of-pearl which makes it possible to adapt the diffusion property in order to make the mother-of-pearl lighter. If it is too light, that is to say too fine, the electronic display may be visible when it is switched off and the mother-of-pearl appears dark as visible on the figure 1b . On the other hand, if the mother-of-pearl thickness is too great, as can be seen picture 1a , the dial is prettier because the mother-of-pearl appears lighter, but the display image will be too distorted.
  • the document US2008/101161A1 discloses an embodiment ( figure 1 and 9) a display assembly comprising a display module fitted with a light source for displaying at least one item of information and a dial module making it possible to show said display item information only when the latter is activated.
  • the dial module comprises a dial made of a translucent or semi-transparent material, under which is arranged a semi-reflecting element (54) making it possible to reflect part of the light from said light source and transmit another proportion of the light from said light source by preventing deflection of the light rays by diffusion through the dial module, said display module being arranged under said semi-reflecting element.
  • the invention proposes to solve the drawbacks of the prior art by providing a display assembly in which an electronic display is hidden under a dial when said display is off but allowing the information provided by said display to be perfectly legible and accurate when said display is on.
  • the invention relates to a display assembly as defined in appended claim 1. Preferred embodiments are defined in the dependent claims.
  • the present invention also relates to a timepiece which comprises a display assembly according to one of the advantageous embodiments of the invention.
  • FIG. 2 shows a display assembly 10 in accordance with the present invention.
  • This display assembly 10 is arranged in a casing of a portable object such as a watch. It is also possible to imagine this display assembly being arranged in an article of jewelery such as a bracelet.
  • the display assembly 10 comprises a dial module 20 and a display module 30.
  • the display module 30 comprises an electronic display 31 carried by a plate.
  • This electronic display 31 is a digital display or screen.
  • This display 31 can use LCD, or LED, or OLED technology. LED or OLED technologies have the advantage of being their own light source allowing emissive displays.
  • LCD technology a backlight is used.
  • an electronic LED display 31 this comprises a substrate serving as a circuit 32 on which the light-emitting diodes (LEDs) are soldered and a separator 33 to improve the distinction of the details of the information displayed by the light-emitting diodes.
  • This electronic display 31 is placed under the dial part 20.
  • the dial module 20 then comprises a dial 21 in a translucent or semi-transparent material.
  • This translucent or semi-transparent material can be mother-of-pearl, amber, meteorites, horn, bone, leather, skin (such as snake or crocodile skin), coral, cartilage, semi-transparent minerals (silica, calcite), semi-transparent or tinted glasses, ceramics (oxides, carbides, nitrides, borides) or wood. Indeed, these materials are translucent or semi-transparent when they come in a thin plate. In the rest of the description, mother-of-pearl will be used.
  • the dial module 20 further comprises a semi-reflecting element 22.
  • This semi-reflecting element 22 is used to have a pearly white dial 21 and an electronic display 31 camouflaged when the latter is switched off and, when the electronic display 31 is on, have the information of the latter which are clearly visible and well detailed.
  • the semi-reflecting element 22 is combined with a dial 21 having a given thickness.
  • the thickness of the mother-of-pearl is a parameter which makes it possible to adjust the properties of diffusion in order to make the mother-of-pearl lighter. A compromise must be found because if the mother-of-pearl is too light, the off electronic display 31 may be visible and the mother-of-pearl appears dark in color. On the contrary, if the mother-of-pearl is too thick, it appears more clear but the details of the information of the electronic display 31 will be distorted by the broadcast.
  • the mother-of-pearl dial 21 will have a thickness comprised between 0.01 and 0.4 mm with preferential values at 0.1 mm and 0.15 mm. This range of mother-of-pearl thickness makes it possible to have a translucent dial 21 which transmits light while diffusing it.
  • the total thickness of the dial module 20 is, for its part, between 0.3 and 0.5 mm.
  • the total diffusion of the dial module 20 is the diffusion of the dial 21 in mother-of-pearl.
  • a mother-of-pearl dial 21 of small thickness leads to a low diffusion which makes it possible to keep the fineness of the details of the electronic display 31 when the latter is lit.
  • the advantage in terms of diffusion of a fine mother-of-pearl is therefore combined with the advantage in terms of whiteness of a thick mother-of-pearl.
  • the semi-reflecting element 22 is a semi-reflecting mirror.
  • a semi-reflecting mirror consists of a layer of metal.
  • This layer of metal can be made of Chrome or Silver or Aluminum or any other metal or alloy allowing the production of such a mirror.
  • This layer of metal has a thickness of between 1 and 50 nm.
  • This layer of metal can be deposited directly on mother-of-pearl dial 21 at its surface not visible to the user or via a substrate.
  • a transparent plastic or other substrate is covered by this layer of metal to then be glued to the dial 21 in mother-of-pearl.
  • This substrate makes it possible to have an additional layer which will stiffen the dial module 20 and allow it to have greater mechanical rigidity. The dial module 20 will therefore be easier to handle.
  • a second embodiment consists in the semi-reflecting element 22 comprising a dielectric mirror.
  • a dielectric mirror is composed of a plurality of layers of dielectric materials deposited successively. Manufacturing techniques for dielectric mirrors are based for example on thin film deposition methods. Common techniques are molecular beam epitaxy, ion beam deposition, vapor phase deposition, physical vapor deposition, and sputtering. These layers of dielectric materials have different refractive indices and thicknesses. Therefore, by a phenomenon of constructive interference, the light reflection rate can be considerably increased.
  • the simplest dielectric mirrors 22 are generally colored so that they can be used to color the mother-of-pearl and thus provide more in terms of aesthetics.
  • the dielectric mirror of the semi-reflecting element 22 is made using birefringent dielectric layers.
  • This use of birefringent dielectric layers leads to the appearance of a phenomenon of polarized constructive interference which offers the advantage of having a more neutral color making the mother-of-pearl whiter.
  • Such a mirror made up of birefringent dielectric layers is called a reflective polarizer and makes it possible to transmit one polarization while it reflects another.
  • These reflective polarizers or dielectric mirrors can be in the form of a film, that is to say a thin layer of material such as a sheet.
  • the fact of being in the form of a film makes it possible, when these reflective polarizers or dielectric mirrors are associated with the mother-of-pearl dial, to have greater mechanical rigidity.
  • the dial part 20 will therefore be easier to handle.
  • This film can be flexible or rigid and be made of plastic or a material such as glass or any other usable material.
  • This variant is clever in that such reflective polarizers are generally used in electronic displays for energy recycling or to be used as a polarizing mirror for reflective displays.
  • the use of such reflective polarizers to increase the whiteness of a mother-of-pearl is thus not provided for.
  • this variant has the advantage of being commercially available in the form of a plastic film. It becomes possible to laminate the film on the mother-of-pearl, thus avoiding the use of complex and expensive thin layer deposition processes.
  • the semi-reflecting element 22 is represented in the form of a film or substrate carrying either a semi-reflecting mirror or a dielectric mirror, the version of the semi-reflecting element 22 directly produced on the dial 21 is not not represented.
  • the display assembly further comprises an opaque film 40 placed between the electronic display 31 and the dial module 20 comprising the mother-of-pearl dial 21 and the semi-reflecting element 22.
  • dial 21 it is preferable to have a movement whose color is uniform, otherwise there will be disparities in the tones of the mother-of-pearl dial.
  • the film 40 thus serves to hide screws and other reflective parts which are found in the movement. This prevents them from being visible to the user.
  • This opaque film 40 has an opening at the location facing the electronic display 31 so that the information from the electronic display 31 can be seen by the user. The black color is chosen to highlight the mother-of-pearl and obtain a very uniform background.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electric Clocks (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Polarising Elements (AREA)
  • Electroluminescent Light Sources (AREA)
  • Optical Elements Other Than Lenses (AREA)

Claims (14)

  1. Anzeigeanordnung (10) mit einem Anzeigemodul (30), das mit einer Lichtquelle versehen ist, um mindestens eine Information anzuzeigen, und einem Zifferblattmodul (20), das ermöglicht, die Information der Anzeigevorrichtung nur dann anzuzeigen, wenn diese aktiviert ist, wobei das Zifferblattmodul (20) ein Zifferblatt (21) umfasst, das aus einem lichtdurchlässigen oder halbdurchlässigen Material hergestellt ist, unter dem direkt oder über ein Substrat eine Schicht aus einem halbreflektierenden Material (22) abgelegt ist, die es ermöglicht, einen Teil des Lichts der Lichtquelle zu reflektieren und einen anderen Anteil des Lichts der Lichtquelle durchzulassen, indem sie die Ablenkung von Lichtstrahlen durch Streuung durch das Zifferblattmodul (20) verhindert, wobei das Anzeigemodul unter dem halbreflektierenden Element angeordnet ist.
  2. Anzeigeanordnung nach Anspruch 1, dadurch gekennzeichnet, dass die halbreflektierende Schicht (22) eine Metallschicht umfasst, die direkt auf dem Zifferblatt (21) abgelegt ist.
  3. Anzeigeanordnung nach Anspruch 1, dadurch gekennzeichnet, dass die halbreflektierende Schicht (22) eine Metallschicht umfasst, die auf einer flexiblen dünnen Schicht abgelegt ist.
  4. Anzeigeanordnung nach Anspruch 1, dadurch gekennzeichnet, dass die halbreflektierende Schicht (22) einen dielektrischen Spiegel umfasst, der die Form einer dünnen Schicht aufweist.
  5. Anzeigeanordnung nach Anspruch 1, dadurch gekennzeichnet, dass die halbreflektierende Schicht (22) einen dielektrischen Spiegel umfasst, der direkt auf dem Zifferblatt (21) verwirklicht ist, wobei eine Folie darüber geklebt ist, um das Zifferblatt zu versteifen.
  6. Anzeigeanordnung nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass der dielektrische Spiegel aus mehreren gestapelten Schichten dielektrischer Materialien zusammengesetzt ist, die unterschiedliche Brechungsindizes und Dicken besitzen.
  7. Anzeigeanordnung nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass der dielektrische Spiegel aus mehreren Schichten aus doppelbrechenden dielektrischen Materialien besteht.
  8. Anzeigeanordnung nach einem der Ansprüche 4 bis 7, dadurch gekennzeichnet, dass die dünne Schicht eine flexible Folie ist.
  9. Anzeigeanordnung nach einem der Ansprüche 4 bis 7, dadurch gekennzeichnet, dass die dünne Schicht ein starrer Film ist.
  10. Anzeigeanordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Dicke des Zifferblattmoduls (20) zwischen 0,3 und 0,5 mm liegt.
  11. Anzeigeanordnung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass die Dicke des Zifferblatts (21) zwischen 0,01 und 0,4 mm liegt.
  12. Anzeigeanordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie außerdem ein lichtundurchlässiges Blättchen (40) umfasst, das sich zwischen dem Anzeigemodul (30) und dem Zifferblattmodul (20) befindet.
  13. Anzeigeanordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Zifferblatt (21) aus einem Material hergestellt ist, das in der Liste enthalten ist, die Folgendes umfasst: Perlmutt, Bernstein, Meteoriten, Horn, Knochen, Leder, Haut, Koralle, Knorpel, halbtransparente Mineralien, halbtransparentes oder getöntes Glas, Keramik oder Holz.
  14. Zeitmessgerät, dadurch gekennzeichnet, dass es eine Anzeigeanordnung (10) nach einem der vorhergehenden Ansprüche umfasst.
EP14798847.1A 2013-11-15 2014-11-13 Perlmutterziffernblatt für eine verborgene anzeige Active EP3069199B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14798847.1A EP3069199B1 (de) 2013-11-15 2014-11-13 Perlmutterziffernblatt für eine verborgene anzeige

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP20130193176 EP2874024A1 (de) 2013-11-15 2013-11-15 Perlmuttzifferblatt für versteckte Anzeigevorrichtung
EP14798847.1A EP3069199B1 (de) 2013-11-15 2014-11-13 Perlmutterziffernblatt für eine verborgene anzeige
PCT/EP2014/074526 WO2015071376A2 (fr) 2013-11-15 2014-11-13 Cadran nacré pour afficheur caché

Publications (2)

Publication Number Publication Date
EP3069199A2 EP3069199A2 (de) 2016-09-21
EP3069199B1 true EP3069199B1 (de) 2023-05-10

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EP20130193176 Withdrawn EP2874024A1 (de) 2013-11-15 2013-11-15 Perlmuttzifferblatt für versteckte Anzeigevorrichtung
EP14798847.1A Active EP3069199B1 (de) 2013-11-15 2014-11-13 Perlmutterziffernblatt für eine verborgene anzeige

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EP20130193176 Withdrawn EP2874024A1 (de) 2013-11-15 2013-11-15 Perlmuttzifferblatt für versteckte Anzeigevorrichtung

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US (1) US9915924B2 (de)
EP (2) EP2874024A1 (de)
JP (1) JP6209281B2 (de)
CN (1) CN105745583B (de)
WO (1) WO2015071376A2 (de)

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JP6701644B2 (ja) * 2015-08-26 2020-05-27 カシオ計算機株式会社 文字板及び時計
EP3378346B1 (de) * 2017-03-21 2023-01-18 Omega SA Stein und sein herstellungsverfahren
KR102564868B1 (ko) 2017-09-12 2023-08-09 코닝 인코포레이티드 장식용 유리 상에 터치 패널을 포함하는 디스플레이용 데드프론트 및 관련 방법
US11065960B2 (en) 2017-09-13 2021-07-20 Corning Incorporated Curved vehicle displays
TWI844520B (zh) 2017-10-10 2024-06-11 美商康寧公司 具有改善可靠性的彎曲的覆蓋玻璃的車輛內部系統及其形成方法
EP3521945B1 (de) * 2018-02-05 2021-04-07 Montres Rado S.A. Zifferblatt für uhrwerk, und sein herstellungsverfahren
EP3588202A1 (de) * 2018-06-25 2020-01-01 Rolex Sa Vielseitige uhrenkomponente
EP3588203A1 (de) * 2018-06-25 2020-01-01 Rolex Sa Vielseitig einsetzbare uhrenkomponente
TWI668536B (zh) * 2018-11-12 2019-08-11 巨擘科技股份有限公司 腕錶裝置及其操作方法
CN115668070A (zh) 2020-06-11 2023-01-31 达腾科技有限公司 显示装置及包括该显示装置的电子设备

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Also Published As

Publication number Publication date
CN105745583B (zh) 2018-04-17
WO2015071376A3 (fr) 2015-11-19
JP2017502260A (ja) 2017-01-19
EP3069199A2 (de) 2016-09-21
US9915924B2 (en) 2018-03-13
US20160282814A1 (en) 2016-09-29
EP2874024A1 (de) 2015-05-20
WO2015071376A2 (fr) 2015-05-21
JP6209281B2 (ja) 2017-10-04
CN105745583A (zh) 2016-07-06

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