WO2006006390A1 - ソーラー時計用文字板および時計 - Google Patents
ソーラー時計用文字板および時計 Download PDFInfo
- Publication number
- WO2006006390A1 WO2006006390A1 PCT/JP2005/011811 JP2005011811W WO2006006390A1 WO 2006006390 A1 WO2006006390 A1 WO 2006006390A1 JP 2005011811 W JP2005011811 W JP 2005011811W WO 2006006390 A1 WO2006006390 A1 WO 2006006390A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- dial
- solar
- timepiece
- light
- polarizer
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
-
- 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
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/40—Mobile PV generator systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/38—Energy storage means, e.g. batteries, structurally associated with PV modules
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Definitions
- the present invention relates to a dial for a solar timepiece and a timepiece.
- a timepiece dial is required to have a function as a practical product and a decorative property (aesthetic appearance) as a decorative product.
- a decorative property as a decorative product.
- solar timepieces equipped with solar cells when solar cells (solar cells) are placed under the dial (solar clock dial), the dial has excellent light transmission, etc.
- the decorativeness as a decorative item is required.
- a dial for a solar timepiece provides a sufficient amount of light for driving a timepiece through a solar cell disposed below the solar clock dial. Also, decorativeness as a decorative product is also required.
- the solar cell itself is used as a dial plate, or a colored member (particularly a dark color member) is provided on the solar cell.
- the shape of the dial is designed so as not to be arranged, and a color similar to the self-color (usually black to purple) of the solar cell has been used as the dial.
- ceramic includes a main constituent material (see, for example, Patent Document 1).
- a dial plate is expensive and has a problem in terms of strength, such as being easily broken when subjected to an impact caused by dropping or the like.
- Patent Document 1 Japanese Patent Application Laid-Open No. 10-39048 (see claim, paragraph number 0060) Disclosure of Invention
- An object of the present invention is to provide a dial plate for a solar watch excellent in light transmittance and decorativeness (aesthetic appearance), and to supply a sufficient amount of external light to a solar cell. The aim is to provide a watch with excellent decorativeness.
- the present invention provides a dial for a solar timepiece used in a solar timepiece provided with a solar cell,
- a base material made of a material having optical transparency
- a polarizing body provided on the surface of the base material facing the solar cell and having a function of polarizing incident light
- the present invention relates to a dial for a solar timepiece, which is made of a material containing a diffusing agent having a function of diffusing incident light and has a diffusion layer disposed between the base material and the polarizer.
- the polarizer transmits the first light that vibrates in a predetermined direction, and the vibration direction is perpendicular to the vibration direction of the first light. It is preferable that the reflective polarizer has a function of reflecting the second light.
- the polarizer is preferably a film in which a plurality of layers are laminated.
- the polarizer has alternating layers composed mainly of polyethylene naphthalate and layers composed mainly of a copolyester of naphthalenedicarboxylic acid and terephthalic acid. It is preferable that the film is a laminated film. [0016] This makes it possible to effectively prevent the self-color of the solar battery from being seen through while making the light transmission of the solar watch dial sufficiently high, and to improve the decorativeness ( The aesthetic appearance can be made particularly excellent.
- the polarizer is mainly composed of a polyester resin.
- the light transmittance of the entire timepiece dial of the solar timepiece is reduced, and the self-color of the solar cell can be more effectively prevented from being seen through. Further, when a white material is used as the base material, the whiteness of the entire timepiece dial can be improved.
- the diffusion layer is made of a material having adhesiveness and adhesiveness.
- the diffusion layer is mainly composed of an acrylic adhesive.
- the base material is mainly composed of polycarbonate and / or acrylonitrile-butadiene-styrene copolymer.
- the adhesion to the diffusion layer can be made particularly excellent.
- the overall strength of the dial for solar watches can be made particularly excellent.
- a printing layer can also be suitably formed on the surface of the substrate.
- the transmittance of light in the visible light region from the surface side on which the base material is provided to the surface side on which the polarizer is provided is 20 % Or more is preferable.
- the dial for solar timepiece of the present invention preferably exhibits a white appearance.
- the dial for solar timepiece of the present invention is preferably a dial for wristwatch.
- a wristwatch is required to have excellent decorativeness and practicality in various environments where the conditions of the environment used are not constant.
- watch dials solar watch dials
- solar watch dials used in solar watches are required to have excellent decorativeness among various types of solar watch dials and have excellent light transmission properties. It is what is required. Therefore, the present invention can be suitably applied particularly to a watch dial among various watch dials (solar watch dials).
- the present invention also provides a solar cell
- a base material made of a material having optical transparency
- a polarizing body provided on the surface of the base material facing the solar cell and having a function of polarizing incident light
- the present invention relates to a timepiece comprising a material containing a diffusing agent having a function of diffusing incident light, and having a diffusion layer disposed between the base material and the polarizer.
- the timepiece of the present invention includes the dial for solar timepiece of the present invention.
- FIG. 1 is a cross-sectional view showing a preferred embodiment of a dial for a solar timepiece according to the present invention.
- FIG. 2 is a schematic configuration diagram showing a preferred embodiment of a polarizer formed by laminating a plurality of layers, which can be used in the present invention.
- FIG. 3 is a partial cross-sectional view showing a preferred embodiment of a wristwatch (portable timepiece) according to the present invention.
- FIG. 1 is a sectional view showing a preferred embodiment of a dial for a solar timepiece according to the present invention
- the dial 1 for a solar timepiece is used for a solar timepiece including the solar battery 9.
- a dial 1 for a solar timepiece includes a base material 11, a polarizer 13 provided on the surface of the base material 11 facing the solar cell 9, and a base material. 11 and a diffusion layer (diffuser) 12 disposed between the polarizer 13 and the polarizer 13.
- the self-color of the solar cell can be seen through while making the light transmission of the dial for a solar timepiece sufficiently high by having the diffusion layer and the polarizer. Can be effectively prevented, and the decorativeness (aesthetic appearance) can be made particularly excellent.
- the base material 11 is made of a light transmissive material.
- the base material 11 As a constituent material of the base material 11, for example, various plastics, various glasses, various ceramic statuses and the like can be used.
- the base material 11 is made of plastic (particularly heat-resistant plastic). Is preferred. Thereby, for example, it is possible to provide a dial 1 for a solar timepiece that is generally relatively light and easy to carry. For example, it can be formed into a desired shape relatively easily. Further, since it is a non-metallic material, it can be suitably applied to a radio timepiece dial.
- Plastic materials constituting the substrate 11 include various thermoplastic resins and various thermosetting properties. Resin, etc., such as polyethylene, polypropylene, ethylene monopropylene copolymer, ethylene-butyl acetate copolymer (EVA) and other polyolefins, cyclic polyolefins, modified polyolefins, polychlorinated burs, polyvinylidene chloride, polystyrene, Polyamide (Example: Nylon 6, Nylon 46, Nylon 66, Nylon 610, Nylon 612, Nylon 11, Nylon 12, Nylon 6-12, Nylon 6-66), Polyimide, Polyamideimide, Polycarbonate (PC), Poly (4-methylpentene 1), ionomer, acrylic resin, polymethyl methacrylate, acrylonitrile-butadiene-styrene copolymer (ABS resin), acrylonitrile-styrene copolymer (AS resin), butadiene-styrene
- the substrate 11 is preferably mainly composed of polycarbonate and / or acrylonitrile-butadiene-styrene copolymer.
- the adhesion with the diffusion layer 12 described later is particularly excellent. Can do.
- the overall strength of the solar watch dial 1 can be made particularly excellent, and the degree of freedom in molding of the solar watch dial 1 (base material 11) can be increased. Ease is improved).
- a printing layer can be suitably formed on the surface of the substrate 11.
- the substrate 11 may have a substantially uniform composition at each site, or may have a different composition depending on the site.
- the base material 11 may have a base portion and a coating layer such as a colored layer provided on the base portion.
- the coating layer may be formed by, for example, various coating methods, printing methods, wet plating methods, dry plating methods, and the like.
- the shape and size of the base material 11 are not particularly limited, and are usually determined based on the shape and size of the dial 1 for a solar timepiece.
- the substrate 11 (solar clock dial 1) has a flat plate shape, but may have a curved plate shape, for example.
- the color of the substrate 11 is not particularly limited as long as it has optical transparency (transparency for light having a wavelength that can be used to drive and store the solar cell 9).
- the base material 11 is white
- the aesthetic appearance of the solar timepiece dial 1 (particularly the aesthetic appearance when applied to the timepiece 100) can be made particularly excellent.
- the watch 100 can be made more luxurious.
- the base material 11 is substantially transparent, specifically, the light transmittance in the visible light region is 90% or more), the light transmission as the dial 1 for the solar watch is transmitted. The rate can be further increased, and the solar cell 9 can be reduced in size.
- the average thickness of the substrate 11 is not particularly limited, but is preferably 200 to 700 111, and preferably 300 to 600 111.
- the solar cell dial 1 has a sufficiently high light transmittance, and the solar cell 9 can be seen more transparently. Can be prevented and the decorativeness (aesthetic appearance) can be made particularly excellent.
- the diffusion layer 12 is made of a material including a diffusing agent having a function of diffusing incident light. Thereby, a part of the incident light can be scattered also to the base material 11 side while emitting the light (external light) incident from the base material 11 side described above to the polarizing body 13 side described later. Further, light incident from the side of the polarizer 13 to be described later can also be emitted while being scattered toward the substrate 11 side. As a result, the solar cell 9 can be seen through the dial for solar timepiece 1 while the light (external light) incident from the substrate 11 side is emitted to the polarizer 13 side (solar cell 9 side). Can be effectively prevented.
- the aesthetic appearance of the dial 1 for a solar timepiece (especially the aesthetic appearance when applied to the watch 100) is emitted while emitting the light of the amount necessary for driving and storing the solar cell 9 to the solar cell 9 side. It can be excellent.
- the timepiece dial 1 for solar timepieces light is emitted (diffused) to the base material 11 side in the diffusion layer 12, so that the appearance as the dial 1 for solar timepieces has a higher whiteness and is more luxurious. It will have.
- any diffusing agent having a function of diffusing light may be used.
- the diffusing agent may be in any shape such as granular (powdered), scaly, needle, etc., and may be indefinite.
- the diffusion layer 12 may be substantially composed only of a spreading agent.
- Examples of the constituent material of the diffusing agent include silica, glass, and resin.
- the diffusion layer 12 is preferably made of a material having adhesiveness and adhesiveness. As a result, the adhesion between the base material 11 and the polarizer 13 can be improved. As a result, the impact resistance of the dial 1 for the solar watch can be improved, and it can be used as a practical product or a decorative product. The reliability of the dial 1 for solar timepiece can be made particularly excellent.
- the material having the above-mentioned adhesiveness and adhesiveness for example, materials used for adhesives, adhesives, etc. can be used. It is preferable to use an acrylic resin. As a result, the adhesiveness between the base material 11 and the polarizer 13 can be made particularly excellent while sufficiently maintaining the light transmission, aesthetic appearance, etc. of the dial for solar timepiece 1 as a whole.
- the diffusion layer 12 includes the above-mentioned adhesive / adhesive material, the diffusion layer 12 is preferably mainly composed of an adhesive / adhesive material. As a result, the effects as described above can be made more remarkable.
- the polarizer 13 has a function of polarizing incident light.
- the solar watch dial 1 By installing such a polarizer 13 closer to the solar cell 9 than the substrate 11 (particularly, the polarizer 13, the diffusion layer 12, and the substrate 11 are arranged in this order from the side closer to the solar cell 9.
- the solar watch dial 1 can be effectively prevented from seeing through the self-color of the solar cell 9 while making the light transmission as the solar watch dial 1 sufficiently high.
- the present inventor has found that the decorativeness (aesthetic appearance) of the board 1 can be made particularly excellent.
- the polarizer 13 may be any material as long as it has a function of polarizing incident light. However, the polarizer 13 transmits the first light that vibrates in a predetermined direction, and the vibration direction is the aforementioned. A reflective polarizer having a function of reflecting the second light perpendicular to the vibration direction of the first light is preferable. This makes it possible to effectively prevent the self-color of the solar cell 9 from being seen through while making the light transmission of the dial 1 for the solar watch sufficiently high, and to improve the decoration (aesthetic appearance). Can be made particularly excellent.
- the polarizer (reflective polarizer) 13 may be made of any material, but for example, may be made mainly of a polyester resin. This reduces the light transmittance of the solar timepiece dial 1 as a whole, and can more effectively prevent the solar cell from seeing through its own color. Further, when a white material is used as the base material 11, the whiteness of the solar timepiece dial 1 as a whole can be further improved.
- the polarizer (reflection polarizer) 13 is preferably a film (laminate) in which a plurality of layers are laminated. This makes it possible to more effectively prevent the self-color of the solar cell 9 from being seen through while making the light transmission of the dial 1 for the solar watch sufficiently high, and to provide decorativeness (aesthetic appearance). Can be made particularly excellent.
- FIG. 2 shows a preferred embodiment of the polarizer 13 in which a plurality of layers are laminated.
- the polarizer 13 as a laminate has two different layers, that is, polarizing properties. It has a structure in which a plurality of film layers (A layer) 131 and polarizing film layers (B layer) 132 are alternately laminated. In this polarizer 13, the refractive index (n) of the A layer 131 in the X-axis direction is
- the light having a wavelength that is linearly polarized light in the X-axis direction among the light incident on the polarizer 13 is suitably reflected by the polarizer 13.
- the polarizer 13 Since the average thickness of the A layer 131 in the Z-axis direction and the average thickness of the A layer 132 in the Z-axis direction are variously changed, the polarizer 13 is formed over a wide range of the visible wavelength region. Reflects linearly polarized light in the X-axis direction.
- each layer may be composed of any material
- the A layer 131 of the polarizer 13 is preferably composed of polyethylene naphthalate (particularly, a stretched film composed of polyethylene naphthalate).
- the B layer 132 is composed of naphthalene dicarboxylic acid. It is preferably made of a copolyester of terephthalic acid. This makes it possible to more effectively prevent the self-color of the solar cell 9 from being seen through while making the light transmission of the solar watch dial 1 sufficiently high, and the solar watch dial.
- the decorativeness (aesthetic appearance) of 1 can be made particularly excellent.
- the material constituting the polarizer 13 is not limited to the above, and a material known as suitable for forming a polarizing film (polarizing plate) in this technical field is appropriately selected. It is possible to use power S.
- the polarizer 13 is composed of the laminate as described above,
- the number is not limited, but 2-20 is preferred 6-: 12 is more preferred 8-: 10 is even more preferred. Thereby, the effect mentioned above becomes further remarkable.
- the average thickness of the polarizer 13 is not particularly limited, it is preferably 20 to 300 ⁇ m, preferably 100 to 200 111.
- the solar watch dial 1 has a sufficiently high light transmittance, and the self-color of the solar cell 9 can be seen through. It can be effectively prevented and the decorativeness (aesthetic appearance) can be made particularly excellent.
- the solar timepiece dial 1 as described above is used by being placed on the solar cell 9 (on the light receiving surface side of the solar cell 9) in a timepiece (solar timepiece).
- the dial 1 for solar timepiece has a light transmittance of 20% or more in the visible light region from the surface side on which the base material 11 is provided to the surface side on which the polarizer 13 is provided. 21 to 80% is more preferable, and 22 to 70% is more preferable.
- the decoration (aesthetic appearance) of the solar watch dial 1 (as a watch with the solar watch dial 1 as a whole) is sufficiently excellent and incident on the solar watch dial 1.
- the incident light can enter the solar cell 9 more efficiently.
- the light transmittance is too low, it may be difficult to make the solar cell 9 incident with a sufficient amount of light for driving and storing the solar cell 9.
- the light transmittance is too high, it is difficult to make the decorative face (aesthetic appearance) of the dial 1 for solar timepieces (as a watch with the dial 1 for solar timepieces) sufficiently excellent. There is a possibility.
- the dial 1 for a solar timepiece may have a white color appearance, although it may have a color tone. Thereby, the decorativeness (especially high-class feeling) of the dial 1 for solar timepiece can be made particularly excellent.
- the diffusion layer 12 is formed on the back surface (non-printing surface) of the substrate 11 by a coating method or the like.
- the base material 11 and the diffusion layer 12 can be made of the materials described above.
- the polarizer 13 is bonded to the surface of the diffusion layer 12 formed on the substrate 11.
- Bonding with the light body 13 can be performed more suitably.
- the polarizer 13 the one as described above can be used. The structure formed in this way is heated, for example, specifically by curing the constituent material of the diffusion layer 12), and the adhesion between the polarizer 13 and the substrate 11. Can be made stronger.
- the solar timepiece dial as described above may be applied to any clock as long as it is a solar timepiece, but is applicable to a watch (watch dial). Is preferred.
- a wristwatch is required to have excellent decorativeness and practicality in various environments where the conditions of the environment in which it is used are not constant.
- watch dials used in solar watches are required to have excellent decorativeness among various types of solar watch dials and have excellent light transmittance. Is required. Therefore, the present invention can be suitably applied to a watch dial, in particular, among various timepiece dials (solar watch dials).
- the timepiece of the present invention has the dial for solar timepiece of the present invention as described above.
- the dial for solar timepiece of the present invention is excellent in light transmission and decorativeness (aesthetic appearance). For this reason, the timepiece of the present invention provided with such a dial for a solar timepiece can sufficiently satisfy the required requirements as a solar timepiece.
- a force capable of using a known one will be described below.
- FIG. 3 is a partial cross-sectional view showing a preferred embodiment of the timepiece (watch) of the present invention.
- the wristwatch (portable watch) 100 of the present embodiment includes a trunk (case) 22, a back cover 23, a bezel (edge) 24, a glass plate (cover glass) 25, It has. Further, in the case 22, the dial for solar timepiece 1 as described above, the solar cell 9, and the movement 21 are accommodated, and a hand (pointer) (not shown) and the like are accommodated.
- the glass plate 25 is usually made of transparent glass, sapphire or the like having high transparency.
- the aesthetics of the solar watch dial 1 can be fully exhibited.
- a sufficient amount of light can be incident on the solar cell 9.
- Movement 21 uses the electromotive force of solar cell 9 to drive the pointer.
- the solar cell 9 has a function of converting light energy into electric energy.
- the electric energy converted by the solar cell 9 is used for driving the movement.
- a p-type impurity and an n-type impurity are selectively introduced into a non-single-crystal silicon thin film, and a p-type non-single-crystal silicon thin film and an n-type non-single-crystal silicon are further introduced. It has a pin structure with an i-type non-single crystal silicon thin film with a low impurity concentration between it and the thin film.
- a rod pipe 26 is fitted and fixed to the barrel 22, and a shaft portion 271 of a crown 27 is rotatably inserted into the rod pipe 26.
- the back cover 23 is fitted or screwed to the body 22, and a ring-shaped rubber packing (back cover packing) 60 is compressed at these joint portions (seal portions) 50. Being in the state. With this configuration, the seal portion 50 is sealed in a liquid-tight manner, and a waterproof function is obtained.
- a groove 272 is formed on the outer periphery of the shaft portion 271 of the crown 27, and a ring-shaped rubber packing (crown packing) 30 is fitted into the groove 272.
- the rubber packing 30 is in close contact with the inner peripheral surface of the pipe 26 and is compressed between the inner peripheral surface and the inner surface of the groove 272. With this configuration, the space between the crown 27 and the brass pipe 26 is sealed in a liquid-tight manner to provide a waterproof function.
- the rubber packing 30 rotates together with the shaft portion 271 and slides in the circumferential direction while being in close contact with the inner peripheral surface of the Tsubaki Neuve 26.
- a wristwatch portable clock
- a table clock a table clock
- a wall clock a portable clock
- the force described as the substrate 11 and the diffusion layer 12 are in contact with each other and the diffusion layer 12 and the polarizer 13 are in contact with each other. It does not have to be.
- at least one intermediate layer may be provided between the base material 11 and the diffusion layer 12 or between the diffusion layer 12 and the polarizer 13.
- the timepiece of the present invention is not limited as long as it includes a base material, a diffusion layer, and a polarizer.
- the base material, the diffusion layer, and the polarizer do not have to exist as an integrated dial plate.
- the base material (dial plate) and the diffusion layer ( The diffuser) and the polarizer may exist as separate members.
- a watch dial was manufactured by the following method.
- a base material having the shape of a watch dial was prepared by compression molding using polycarbonate, and then necessary portions were cut and polished.
- the obtained base material was substantially disk-shaped and had a diameter of 27 mm and a thickness of 0.5 mm.
- the substrate was washed.
- alkaline electrolytic degreasing was performed for 30 seconds, and then alkaline immersion degreasing was performed for 30 seconds. Thereafter, neutralization was performed for 10 seconds, washing with water for 10 seconds, and washing with pure water for 10 seconds.
- the surface of the base material was painted white, air-dried, and then the time (time scale, etc.) was printed on the surface opposite to the surface coated with white, and air-dried.
- a polarizer (reflection polarizer) made of a polyester resin was prepared.
- This polarizer was produced by stretching a sheet material made of a polyester resin in the axial direction and punching it so as to form a substantially disk shape having a diameter of 27 mm. Average thickness of this polarizer It was 20 xm.
- a watch dial is manufactured in the same manner as in Example 1 except that a film (laminate) in which a plurality of layers are laminated as described below is used as the polarizer (reflection polarizer). did.
- the polarizer used in this example is a layer of a sheet material obtained by stretching a sheet material composed of polyethylene naphthalate in the axial direction, and a copolymer of naphthalenedicarboxylic acid and terephthalic acid.
- a sheet material made of polyester was formed by laminating a total of eight layers of layers made of a sheet material obtained by stretching in the axial direction. The average thickness of this polarizer was 160 ⁇ .
- a watch dial was manufactured in the same manner as in Example 1 except that an antireflection layer composed of an antireflection film was formed instead of the polarizer.
- a watch dial was manufactured in the same manner as in Example 1 except that a reflective layer composed of a reflective film was formed instead of the polarizer.
- a wristwatch text is obtained in the same manner as in Example 2 except that a material that does not contain a diffusing agent and is substantially composed only of an acrylic pressure-sensitive adhesive is used instead of the diffusion layer.
- a faceplate was produced.
- the light transmittance of the solar timepiece dial was evaluated by the following method.
- the solar cell and each dial were placed in a dark room. Thereafter, light from a fluorescent lamp (light source) separated by a predetermined distance was made incident on the light receiving surface of the single solar cell. At this time, the power generation current of the solar battery was set to A [mA]. Next, light from a fluorescent lamp (light source) separated by a predetermined distance was made incident in the same manner as described above in a state where the dial plate was superimposed on the light receiving surface of the solar cell. In this state, the power generation current of the solar cell was B [mA]. Then, the light transmittance of the dial represented by (B / A) X 100 was calculated and evaluated according to the following four criteria. It can be said that the greater the light transmittance of the dial, the better the light transmission of the solar watch dial.
- a wristwatch as shown in FIG. 3 was manufactured using the wristwatch dial manufactured in each of the above Examples and Comparative Examples. Then, each manufactured wristwatch was put in a dark room. After that, light of a fluorescent lamp (light source) force separated by a predetermined distance was made incident from the face on the dial face side (the face on the glass face side) of the watch. At this time, the irradiation intensity was changed at a constant speed so that the irradiation intensity of light gradually increased. As a result, in the timepiece of the present invention, the movement was driven even when the irradiation intensity was relatively small. On the other hand, in the watch of Comparative Example 2, the movement was not confirmed even when the irradiation intensity was relatively high.
- a fluorescent lamp light source
- the watches provided with the dials for solar watches of each of the examples and comparative examples were visually observed, and their appearances were evaluated according to the following four criteria.
- a dial for a solar timepiece according to the present invention is a dial for a solar timepiece used in a solar timepiece having a solar cell, and a base material made of a light-transmitting material;
- the polarizing plate is provided on the surface facing the solar cell, and is made of a material including a polarizer having a function of polarizing incident light, and a diffusing agent having a function of diffusing incident light. And a diffusion layer disposed between the body and the body. Therefore, we provide a dial for solar timepieces with excellent light transmission and decorativeness (aesthetic appearance).
- the timepiece of the present invention includes the dial for solar timepiece of the present invention. For this reason, it is possible to provide a timepiece (solar timepiece) that can supply a sufficient amount of external light to the solar cell and has excellent decorativeness. Therefore, the dial for a solar timepiece and the timepiece of the present invention have industrial applicability.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electromechanical Clocks (AREA)
- Photovoltaic Devices (AREA)
- Electric Clocks (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05765391A EP1775647A4 (en) | 2004-07-07 | 2005-06-28 | NUMBER OF A SOLAR CLOCK AND CLOCK |
JP2006528698A JPWO2006006390A1 (ja) | 2004-07-07 | 2005-06-28 | ソーラー時計用文字板および時計 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004200398 | 2004-07-07 | ||
JP2004-200398 | 2004-07-07 |
Publications (1)
Publication Number | Publication Date |
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WO2006006390A1 true WO2006006390A1 (ja) | 2006-01-19 |
Family
ID=35757235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/011811 WO2006006390A1 (ja) | 2004-07-07 | 2005-06-28 | ソーラー時計用文字板および時計 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060028920A1 (ja) |
EP (1) | EP1775647A4 (ja) |
JP (1) | JPWO2006006390A1 (ja) |
CN (1) | CN1981248A (ja) |
WO (1) | WO2006006390A1 (ja) |
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WO2008018551A1 (fr) | 2006-08-09 | 2008-02-14 | Citizen Seimitsu Co., Ltd. | Panneau d'affichage et dispositifs l'utilisant |
US7333401B2 (en) | 2006-02-23 | 2008-02-19 | Seiko Epson Corporation | Timepiece dial and timepiece |
JP2008128848A (ja) * | 2006-11-21 | 2008-06-05 | Seiko Epson Corp | 時計用文字板、時計用文字板の製造方法、時計、および装飾用化粧板 |
JP2008185427A (ja) * | 2007-01-29 | 2008-08-14 | Seiko Epson Corp | 時計用文字板および時計 |
JP2009186813A (ja) * | 2008-02-07 | 2009-08-20 | Citizen Seimitsu Co Ltd | 表示板およびそれを備えた機器類 |
JP2009213788A (ja) * | 2008-03-12 | 2009-09-24 | Citizen Watch Co Ltd | 装飾部材 |
CN104820359A (zh) * | 2014-01-30 | 2015-08-05 | 精工爱普生株式会社 | 钟表用外装部件、钟表用外装部件的制造方法以及钟表 |
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Cited By (15)
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US7333401B2 (en) | 2006-02-23 | 2008-02-19 | Seiko Epson Corporation | Timepiece dial and timepiece |
JP2007256265A (ja) * | 2006-02-23 | 2007-10-04 | Seiko Epson Corp | 時計用文字板および時計 |
JP5015156B2 (ja) * | 2006-08-09 | 2012-08-29 | シチズン時計河口湖株式会社 | 表示板およびそれを備えた機器類 |
WO2008018551A1 (fr) | 2006-08-09 | 2008-02-14 | Citizen Seimitsu Co., Ltd. | Panneau d'affichage et dispositifs l'utilisant |
EP2058715B1 (en) * | 2006-08-09 | 2017-01-18 | Citizen Holdings Co., Ltd. | Display panel and apparatuses provided with same |
US8446671B2 (en) | 2006-08-09 | 2013-05-21 | Citizen Holdings Co., Ltd. | Display panel and apparatus provided with the same |
JP2012163568A (ja) * | 2006-08-09 | 2012-08-30 | Citizen Watch Kawaguchiko Co Ltd | 表示板およびそれを備えた機器類 |
JPWO2008018551A1 (ja) * | 2006-08-09 | 2010-01-07 | シチズンセイミツ株式会社 | 表示板およびそれを備えた機器類 |
JP2008128848A (ja) * | 2006-11-21 | 2008-06-05 | Seiko Epson Corp | 時計用文字板、時計用文字板の製造方法、時計、および装飾用化粧板 |
JP2008185427A (ja) * | 2007-01-29 | 2008-08-14 | Seiko Epson Corp | 時計用文字板および時計 |
JP2009186813A (ja) * | 2008-02-07 | 2009-08-20 | Citizen Seimitsu Co Ltd | 表示板およびそれを備えた機器類 |
JP2009213788A (ja) * | 2008-03-12 | 2009-09-24 | Citizen Watch Co Ltd | 装飾部材 |
CN104820359A (zh) * | 2014-01-30 | 2015-08-05 | 精工爱普生株式会社 | 钟表用外装部件、钟表用外装部件的制造方法以及钟表 |
JP2016090518A (ja) * | 2014-11-10 | 2016-05-23 | シチズンホールディングス株式会社 | 太陽電池付き時計、及び変形痕を隠す方法 |
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Also Published As
Publication number | Publication date |
---|---|
CN1981248A (zh) | 2007-06-13 |
EP1775647A1 (en) | 2007-04-18 |
EP1775647A4 (en) | 2007-08-08 |
US20060028920A1 (en) | 2006-02-09 |
JPWO2006006390A1 (ja) | 2008-04-24 |
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