EP2989507A1 - Module d'affichage pour une piece d'horlogerie comprenant une cellule solaire - Google Patents
Module d'affichage pour une piece d'horlogerie comprenant une cellule solaireInfo
- Publication number
- EP2989507A1 EP2989507A1 EP14702618.1A EP14702618A EP2989507A1 EP 2989507 A1 EP2989507 A1 EP 2989507A1 EP 14702618 A EP14702618 A EP 14702618A EP 2989507 A1 EP2989507 A1 EP 2989507A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- dial
- solar cell
- display device
- digital information
- information display
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G17/00—Structural details; Housings
- G04G17/02—Component assemblies
- G04G17/04—Mounting of electronic components
- G04G17/045—Mounting of the display
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C10/00—Arrangements of electric power supplies in time-pieces
- G04C10/02—Arrangements of electric power supplies in time-pieces the power supply being a radioactive or photovoltaic source
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G9/00—Visual time or date indication means
- G04G9/0023—Visual time or date indication means by light valves in general
- G04G9/0029—Details
- G04G9/0035—Details constructional
Definitions
- the present invention relates to a timepiece comprising a digital information display device. More specifically, the invention relates to such a timepiece in which the digital display of information is more aesthetic and easier to read.
- Wristwatches equipped with a digital information display device such as a liquid crystal cell have been known for a long time.
- Such wristwatches typically include a dial under and away from which is arranged for example a liquid crystal cell.
- a window in the dial of the watch allows the user to read hourly or other information displayed by the liquid crystal cell.
- the liquid crystal cell is fixed on a platen housed in the watch case remote from the dial. There is therefore an unsightly gap between the surface of the dial and the display surface of the liquid crystal cell.
- his vision may be impeded by the shadow projected by the edges of the window on the display surface of the liquid crystal cell.
- liquid crystal cells that equip the wristwatches of the type described above most often comprise glass substrates joined together by means of a sealing frame.
- These glass substrates are usually of square or rectangular shape because, even if it is technically possible to give such glass substrates shapes that deviate from the square or rectangular shape, this is hardly possible from a point of view. economic view.
- DE 198 57 997 discloses a dial under the surface of which are simultaneously fixed a liquid crystal cell and a solar cell.
- the present invention aims to overcome the problems mentioned above as well as others by providing a timepiece provided with a digital information display device in which the display of information is more aesthetic and More legible.
- the present invention relates to a display module for a timepiece, this display module comprising a dial on a lower face of which is fixed a digital information display device, a solar cell and a platinum, the solar cell being received in the plate so that the solar cell is under and at a short distance from the dial, the assembly formed by the dial and the digital information display device being arranged over the cell solar.
- the display module is completed by a backlight device disposed on a lower side of the plate and removably attached thereto.
- the present invention also relates to a method of manufacturing a timepiece comprising a dial under which is disposed a digital information display device, a window formed in the dial of the watch allowing a user to read the information displayed by the digital information display device, the dial having an upper face and a lower face and the digital information display device having a top information display surface, the method being characterized in that the upper display surface is provided with information of a layer adhesive and that the digital information display device is laminated on the underside of the dial by means of the adhesive layer.
- the assembly is passed through an autoclave in order to expel the air possibly trapped between the adhesive layer and the dial.
- the pressure in the autoclave is 6 bar
- the treatment temperature is of the order of 50 ° C
- the treatment time is about 30 min.
- FIG. 1 is a perspective view and exploded of a first embodiment of the timepiece according to the invention
- FIG. 2 is a perspective and exploded view of a second embodiment of the timepiece according to the invention.
- FIGS. 3A and 3B are respectively overall and scale-up views of a plastic dial which is imparted with a composite fiber-like material appearance.
- the present invention proceeds from the general inventive idea which consists, in the case of a timepiece comprising a dial on the underside of which is fixed a digital information display device, to removably accommodate a cell solar in a platinum arranged under the dial.
- a timepiece comprising a dial on the underside of which is fixed a digital information display device
- a cell solar in a platinum arranged under the dial.
- FIG. 1 is a perspective and exploded view of a first exemplary embodiment of a display module for a timepiece according to the invention.
- this display module comprises a dial 2 which, in the example shown, is of generally circular shape. However, it will be understood that the shape of the dial may deviate from a circular profile and may be for example square or rectangular.
- the dial 2 has an upper face 4 and a lower face 6 and is pierced with a hole 8 at its center for the passage of a set of axes of the minute and second hands (not shown in the drawing).
- a window 1 0 is provided in the dial 2.
- the decorative layer whose dial 2 is coated is omitted at the location corresponding to the window 10. Another solution to form the window 10 is to pierce the dial 2 at the desired location.
- the display module 1 also comprises a digital information display device.
- this digital information display device consists of a flexible liquid crystal display cell 12 which has a substantially semicircular shape.
- This liquid crystal display cell 12 comprises a front substrate 14 which defines an upper display surface and a rear substrate 16.
- the front 14 and rear 16 substrates are made of a flexible plastic material and are conventionally connected between them by a sealing frame (not visible in the drawing) which delimits a closed volume for the confinement of the liquid crystal.
- a flexible electrical connector 18 makes it possible to connect the electrodes of the cell liquid crystal display 12 to an electronic control circuit (not shown).
- the front substrate 14 of the liquid crystal display cell 12 is coated with an adhesive layer 20 formed of an optically transparent adhesive and through which the crystal display cell liquid 12 is applied against the lower face 6 of the dial 2.
- the liquid crystal display cell 1 2 is mechanically laminated against the lower face 6 of the dial 2, then the assembly formed by the dial 2 and the liquid crystal display cell 12 is passed through an autoclave in order to expel the air possibly trapped between the adhesive layer 20 and the dial 2.
- the pressure in the autoclave is 6 bar
- the treatment temperature is of the order of 50 ° C
- the treatment time is about 30 min.
- the assembly is completed by a first solar cell 22.
- this solar cell 22 corresponds to the preferred embodiment of the invention but that, in the basic variant of the invention, the display module 1 includes only the dial 2 and the liquid crystal display cell 12.
- the solar cell 22 has a substantially semicircular shape complementary to the shape of the display cell The sum of the area of the liquid crystal display cell 12 and the solar cell 22 substantially corresponds to that of the dial 2.
- the solar cell 22 is arranged under and at a short distance from the dial 2. For this purpose, it is received in a plate 24 which is adapted in shape and dimensions to those of the dial 2.
- the plate 24 comprises a bearing surface 26 whose area is substantially equal to that of the solar cell 22.
- the solar cell 22 is provided along its outer perimeter of at least one and, preferably two pins 28 which are engaged in two corresponding housing 30 provided on the periphery of the platen 24.
- the bearing surface 26 is pierced by two diametrically opposed through holes 32 in which are engaged springs 34 which make it possible to ensure electrical contact between the two terminals of the solar cell 22 and the power supply circuit of the watch (not shown).
- the assembly formed by the dial 2 and the liquid crystal display cell 1 2 is disposed above the solar cell 22 and bears on a peripheral rim 36 of the plate 24. It is seen that the display cell 12 is located directly above an opening 38 formed in the plate 24 and whose extent substantially corresponds to the surface of the liquid crystal display cell 12. This opening 38 allows a backlight device 40 mounted from below the plate 24 to illuminate the liquid crystal display cell 1 2 from the rear.
- the assembly formed by the dial 2, the liquid crystal display cell 12 and the solar cell 22 is detachably immobilized on the plate 24 by means of flexible locking hooks 42.
- a module of FIG. 1 complete display that can be exchanged piece for room in case of malfunction. In case of problems, it is even possible to remove the display module 1 and replace only the (or) component (s) defective, which is very advantageous from an economic point of view.
- FIG. 2 is a perspective and exploded view of a second exemplary embodiment of a display module for a timepiece according to the invention.
- elements identical or similar to those already described in connection with Figure 1 will be designated by the same reference numerals.
- FIG. 2 shows that the dial 2 comprises a window 10 adapted in shape and size to the shape and dimensions of the front substrate 14 which defines the upper display surface of the liquid crystal display cell 1 2. also that a second solar cell 220 has substantially the same dimensions as the dial 2 and is provided with an opening 221 in which is housed the liquid crystal display cell 12 when the solar cell 220 is disposed under the dial 2. It is understood that when there is under the dial 2 a solar cell of the same dimensions as the dial 2, part of the surface of the solar cell will be masked by the liquid crystal display cell 12.
- the display module illustrated in Figure 2 is identical to that described above in connection with Figure 1.
- the liquid crystal display cell 1 2 is fixed on the lower face 6 of the dial 2 preferably by rolling and the solar cell 220 is received in the plate 24.
- the assembly formed by the dial 2 and the liquid crystal display cell 12 is disposed above the solar cell 220, so that the solar cell 220 is under and at a short distance from the dial 2 and the liquid crystal display cell 1 2 is housed in the opening 221.
- a backlight device 40 mounted below the plate 24 makes it possible to illuminate the liquid crystal display cell 12 from the rear through the opening 38 formed in the plate 24.
- the assembly formed by the dial 2 the liquid crystal display cell 12 and the solar cell 220 are removably attached to the plate 24 by means of a plurality of flexible locking hooks 42.
- the bearing surface 26 is pierced with two through-holes 32 placed close to one another on a diameter portion of the bearing surface 26 in which springs 34 are engaged. which make it possible to ensure the electrical contact between the two terminals of the solar cell 220 and the electric supply circuit of the watch (not shown).
- the solar cell 220 is provided on its device with at least one and, preferably, three notches 44 which cooperate with three corresponding pins 46 of the plate 24.
- the dial 2 In the case where the timepiece is of the solar watch type, the dial 2 must be at least partially transparent in order to let a sufficient amount of light to allow the solar cell 22, 220 to effectively recharge the battery of the shows while masking the solar cell 22, 220 with regard to the wearer.
- the dial 2 can be made of a transparent plastic material and be covered with a layer of paint whose opacity is adjusted according to the thickness of the paint layer and / or the concentration of the pigments in the paint.
- the transmittance of a dial 2 of transparent plastic covered with paint is of the order of 45%. In other words, 45% of the incident light is transmitted to the solar cell 22, 220 and the rest of the light is absorbed by the dial 2, which is sufficient to mask the solar cell 22, 220 with respect to the user.
- the dial 2 of plastic material may be covered with a layer of mother-of-pearl whose thickness is typically 1 50 ⁇ ⁇ 20 ⁇ and whose transmittance is adjusted to 35%. The mother-of-pearl layer is fixed on the upper surface 4 of the dial 2 by means of an optically transparent adhesive layer.
- the plastic dial 2 it is sought to confer on the plastic dial 2 an appearance of composite material of the carbon fiber type. It is known that such a composite material is obtained by means of interleaved carbon fibers which are impregnated with resin, the surface state of the resulting material having slightly raised areas which are repeated periodically.
- the first solution consists in machining in the inner wall of the mold into which the plastics material is injected structures that will form as many raised areas on the surface of the dial 2.
- the second solution uses the principle of a traditional printing pad (decal with cliché) or an electronic printing that is also possible from a technical point of view but whose rendering for the eye is however a little less good.
- the carbon effect is obtained by the alternating and periodic repetition of horizontal lines 48 and vertical lines 50. Even if the horizontal lines 48 appear brighter, this is only due to the angle of incidence of the light. This effect makes the dial “live” depending on the light and it's exactly the same with real carbon.
- the lines are black (horizontal lines and vertical lines). We could also use a mixture of black (vertical lines) and gray (horizontal lines) to obtain the carbon effect, but in this case it would be independent of light and quite static.
- the liquid crystal display cell 12 and the first solar cell 22 each have a clearance, respectively 52 and 54, for the passage of the needle axes of the hours and minutes.
- a through hole 56 is formed on the edge of the bearing surface 26 of the plate 24 and the backlight device 40 is pierced with a hole 58.
- the second solar cell 220 is pierced with a hole 60 at its center and the plate 24 is provided with a hole 62 defined by a guide flange 64.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electric Clocks (AREA)
- Electromechanical Clocks (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15202670.4A EP3037900B1 (fr) | 2013-04-24 | 2014-02-05 | Procede de fabrication d'un module d'affichage pour une piece d'horlogerie comprenant un dispositif numerique d'affichage d'informations |
| EP14702618.1A EP2989507B1 (fr) | 2013-04-24 | 2014-02-05 | Module d'affichage pour une piece d'horlogerie comprenant une cellule solaire |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20130165115 EP2796946A1 (fr) | 2013-04-24 | 2013-04-24 | Pièce d'horlogerie comprenant un dispositif numérique d'affichage d'informations |
| PCT/EP2014/052192 WO2014173552A1 (fr) | 2013-04-24 | 2014-02-05 | Module d'affichage pour une piece d'horlogerie comprenant une cellule solaire |
| EP14702618.1A EP2989507B1 (fr) | 2013-04-24 | 2014-02-05 | Module d'affichage pour une piece d'horlogerie comprenant une cellule solaire |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP15202670.4A Division-Into EP3037900B1 (fr) | 2013-04-24 | 2014-02-05 | Procede de fabrication d'un module d'affichage pour une piece d'horlogerie comprenant un dispositif numerique d'affichage d'informations |
| EP15202670.4A Division EP3037900B1 (fr) | 2013-04-24 | 2014-02-05 | Procede de fabrication d'un module d'affichage pour une piece d'horlogerie comprenant un dispositif numerique d'affichage d'informations |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2989507A1 true EP2989507A1 (fr) | 2016-03-02 |
| EP2989507B1 EP2989507B1 (fr) | 2017-02-01 |
Family
ID=48142694
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20130165115 Withdrawn EP2796946A1 (fr) | 2013-04-24 | 2013-04-24 | Pièce d'horlogerie comprenant un dispositif numérique d'affichage d'informations |
| EP14702618.1A Active EP2989507B1 (fr) | 2013-04-24 | 2014-02-05 | Module d'affichage pour une piece d'horlogerie comprenant une cellule solaire |
| EP15202670.4A Active EP3037900B1 (fr) | 2013-04-24 | 2014-02-05 | Procede de fabrication d'un module d'affichage pour une piece d'horlogerie comprenant un dispositif numerique d'affichage d'informations |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20130165115 Withdrawn EP2796946A1 (fr) | 2013-04-24 | 2013-04-24 | Pièce d'horlogerie comprenant un dispositif numérique d'affichage d'informations |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP15202670.4A Active EP3037900B1 (fr) | 2013-04-24 | 2014-02-05 | Procede de fabrication d'un module d'affichage pour une piece d'horlogerie comprenant un dispositif numerique d'affichage d'informations |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9354614B2 (fr) |
| EP (3) | EP2796946A1 (fr) |
| JP (1) | JP6216443B2 (fr) |
| CN (1) | CN105143998B (fr) |
| WO (1) | WO2014173552A1 (fr) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106575100B (zh) * | 2014-09-04 | 2020-08-25 | 索尼公司 | 信息显示装置和信息显示方法、程序以及通信系统 |
| EP3182226B1 (fr) * | 2015-12-15 | 2019-02-06 | The Swatch Group Research and Development Ltd. | Montre squelette-solaire |
| EP3195755A1 (fr) * | 2016-01-22 | 2017-07-26 | Century Time Gems Ltd | Pièce d'horlogerie pourvue d'un élément d habillage décoratif en nacre |
| US10802313B2 (en) * | 2016-12-15 | 2020-10-13 | Sharp Kabushiki Kaisha | Display device |
| JP6469816B2 (ja) * | 2017-02-06 | 2019-02-13 | セイコーインスツル株式会社 | 時計 |
| JP6888356B2 (ja) * | 2017-03-21 | 2021-06-16 | セイコーエプソン株式会社 | 電子時計 |
| JP7098946B2 (ja) * | 2018-02-01 | 2022-07-12 | セイコーエプソン株式会社 | 太陽電池付ムーブメントおよび時計 |
| EP3521945B1 (fr) * | 2018-02-05 | 2021-04-07 | Montres Rado S.A. | Cadran pour pièce d'horlogerie et son procédé de fabrication |
| EP3816734A1 (fr) * | 2019-11-04 | 2021-05-05 | ETA SA Manufacture Horlogère Suisse | Montre electronique a cellule solaire |
| JP7015481B2 (ja) * | 2019-11-07 | 2022-02-03 | カシオ計算機株式会社 | 文字板および時計 |
| EP4165475B1 (fr) * | 2020-06-11 | 2025-12-10 | Dayton Technologies Limited | Dispositifs d'affichage et appareils électroniques comprenant ceux-ci |
| EP4407387A4 (fr) | 2022-03-25 | 2025-03-05 | Samsung Electronics Co., Ltd. | Dispositif électronique comprenant une unité d'affichage |
| WO2023182617A1 (fr) * | 2022-03-25 | 2023-09-28 | 삼성전자 주식회사 | Dispositif électronique comprenant une unité d'affichage |
| FI130409B (en) * | 2022-07-06 | 2023-08-17 | Suunto Oy | Display unit for a body worn device |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4044542A (en) * | 1976-06-01 | 1977-08-30 | Hughes Aircraft Company | Watch module construction |
| US4257115A (en) * | 1977-02-12 | 1981-03-17 | Citizen Watch Co., Ltd. | Switch structure for electronic timepiece |
| JPS6029748Y2 (ja) * | 1977-07-13 | 1985-09-07 | セイコーエプソン株式会社 | 時計用表示装置 |
| US4261049A (en) * | 1977-11-16 | 1981-04-07 | Citizen Watch Co., Ltd. | Wristwatch with solar cells |
| US4312056A (en) * | 1979-01-17 | 1982-01-19 | Citizen Watch Company Limited | Composite display type electronic timepiece |
| CN2031943U (zh) * | 1988-02-02 | 1989-02-01 | 迟爱成 | 军用指挥手表 |
| JP3064396B2 (ja) * | 1990-11-08 | 2000-07-12 | カシオ計算機株式会社 | 電子時計 |
| JPH0541397A (ja) * | 1990-12-21 | 1993-02-19 | Shinko Kagaku Kogyo Kk | 実装用機構部品 |
| JPH0990059A (ja) * | 1995-09-22 | 1997-04-04 | Citizen Watch Co Ltd | 時計文字板構造 |
| JP3644755B2 (ja) * | 1996-04-03 | 2005-05-11 | 河口湖精密株式会社 | 時計用文字板 |
| JPH1082872A (ja) * | 1996-09-10 | 1998-03-31 | Citizen Watch Co Ltd | 充電警告機能付電子時計 |
| JPH1082871A (ja) * | 1996-09-05 | 1998-03-31 | Citizen Watch Co Ltd | 時計の構造 |
| DE19780948B4 (de) * | 1996-09-05 | 2006-05-24 | Citizen Watch Co., Ltd. | Kombinierte elektronische Uhr |
| CN1205089A (zh) * | 1996-09-12 | 1999-01-13 | 西铁城时计株式会社 | 配备有太阳能电池的电子钟表 |
| JP3489377B2 (ja) * | 1997-02-27 | 2004-01-19 | セイコーエプソン株式会社 | 太陽電池付表示部構造体並びにこれを用いた太陽電池付電子機器及び時計 |
| DE19857997B4 (de) * | 1997-12-19 | 2005-12-15 | Creativ Product Elektro- Und Feinmechanik Gmbh | Zifferblatt für Armbanduhren |
| US6621766B2 (en) * | 2001-08-01 | 2003-09-16 | Fossil, Inc. | Flexible timepiece in multiple environments |
| JP2004012405A (ja) * | 2002-06-11 | 2004-01-15 | Citizen Watch Co Ltd | 時計文字板およびその製造方法 |
| JP5493527B2 (ja) * | 2009-07-14 | 2014-05-14 | セイコーエプソン株式会社 | 無線機能付き時計 |
| JP2011106908A (ja) * | 2009-11-16 | 2011-06-02 | Casio Computer Co Ltd | 表示装置および腕時計 |
| JP5888071B2 (ja) * | 2012-04-02 | 2016-03-16 | カシオ計算機株式会社 | ソーラー発電装置および電子時計 |
-
2013
- 2013-04-24 EP EP20130165115 patent/EP2796946A1/fr not_active Withdrawn
-
2014
- 2014-02-05 JP JP2016508050A patent/JP6216443B2/ja active Active
- 2014-02-05 US US14/785,728 patent/US9354614B2/en active Active
- 2014-02-05 EP EP14702618.1A patent/EP2989507B1/fr active Active
- 2014-02-05 CN CN201480023399.3A patent/CN105143998B/zh not_active Expired - Fee Related
- 2014-02-05 WO PCT/EP2014/052192 patent/WO2014173552A1/fr not_active Ceased
- 2014-02-05 EP EP15202670.4A patent/EP3037900B1/fr active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016519302A (ja) | 2016-06-30 |
| CN105143998A (zh) | 2015-12-09 |
| US20160070238A1 (en) | 2016-03-10 |
| HK1218447A1 (zh) | 2017-02-17 |
| CN105143998B (zh) | 2017-12-12 |
| EP2796946A1 (fr) | 2014-10-29 |
| EP3037900A1 (fr) | 2016-06-29 |
| US9354614B2 (en) | 2016-05-31 |
| EP3037900B1 (fr) | 2016-10-12 |
| WO2014173552A1 (fr) | 2014-10-30 |
| EP2989507B1 (fr) | 2017-02-01 |
| JP6216443B2 (ja) | 2017-10-18 |
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