WO2008018551A1 - Panneau d'affichage et dispositifs l'utilisant - Google Patents
Panneau d'affichage et dispositifs l'utilisant Download PDFInfo
- Publication number
- WO2008018551A1 WO2008018551A1 PCT/JP2007/065633 JP2007065633W WO2008018551A1 WO 2008018551 A1 WO2008018551 A1 WO 2008018551A1 JP 2007065633 W JP2007065633 W JP 2007065633W WO 2008018551 A1 WO2008018551 A1 WO 2008018551A1
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- WO
- WIPO (PCT)
- Prior art keywords
- light
- reflective polarizing
- polarizing plate
- pattern
- solar cell
- Prior art date
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Classifications
-
- 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
- G04G21/00—Input or output devices integrated in time-pieces
- G04G21/04—Input or output devices integrated in time-pieces using radio waves
Definitions
- the present invention relates to a display board including a timepiece dial, a clock parting board, an instrument dial, and the like, and more particularly to a display board having a solar cell on the lower surface side.
- the present invention provides a device in which the display plate is used as a display plate for devices such as a display plate for a clock, a desktop computer, an automobile, an instrument panel of an airplane, a mopile device such as a mobile phone, etc. About.
- a display panel provided with a solar cell is required to transmit light in order to transmit received light and cause the solar cell disposed on the lower surface side to generate a power generation function.
- translucent materials such as plastic, ceramic and glass are used.
- plastic is very popular because it is inexpensive and easy to mold and process.
- FIG. 48 is a plan view showing a general solar cell.
- a general solar cell is provided on four surfaces (Al, A2, A3, A4) divided into four equal parts, and is disposed on the lower surface of the display board. .
- the power generation efficiency is maximized when the transmitted light that has passed through the display panel is incident on each of the four surfaces (Al, A2, A3, A4) in a uniform amount.
- the display panel placed on the top side of this solar cell is the part corresponding to the four sides of the solar cell (Al, A2, A3, A4), that is, the 12-6 o'clock line and the 9 o'clock line. It is necessary to design each of the four equally divided four surfaces to transmit a uniform amount of light.
- the solar cell disposed on the lower surface side of the display panel exhibits a unique dark purple color, and the crosshairs obtained by dividing into four equal parts are very conspicuous due to the difference in materials. For this reason, since it does not give an aesthetically pleasing feeling, various attempts have been made to display panels in order to soften or hide this dark purple color.
- FIG. 49 is a partially enlarged cross-sectional view showing the structure of a timepiece dial plate having a solar cell as a display plate in the prior art
- FIG. 50 is a component part of the display plate in the prior art, and a plurality of layers are laminated. It is a schematic block diagram which shows the reflection-type polarizing body formed.
- a dial plate 100 for a solar timepiece in the prior art includes a base material 101, a polarizer 103 provided on the surface of the base material 101 facing the solar cell 109, and a base material. 101 and a diffusing layer 102 disposed between the polarizer 103 and a structure in which time letters, decorative characters, marks, and the like are provided on the base material 101.
- the substrate 101 is made of a light-transmitting material such as plastic such as acrylic resin or polycarbonate resin, glass, etc., and has a flat plate shape with a thickness of about 300 to 600 m. .
- a colored layer by a coating method, a printing method, a wet plating method, a dry plating method, or the like is provided on the base material 101.
- the colored layer is preferably white!
- the diffusion layer 102 is made of a material including a diffusing agent having a function of diffusing incident light.
- the diffusing agent that constitutes the diffusion layer 102 are granular (powder), scales, needles, and the like, and silica, glass, resin, etc. are used and have adhesiveness and adhesiveness. It is made up of materials that are disclosed.
- the reflective polarizer 103 has a function of polarizing incident light, 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 has a function of reflecting the second light.
- the reflective polarizer 103 is a laminate in which a plurality of layers are laminated, and two different types of layers, that is, a polarizing film layer (A layer) 131, and a polarizing property
- the film layer (B layer) 13 2 has a structure in which a plurality of layers are alternately laminated.
- the A layer 131 of the reflective polarizer 103 is, for example, a stretched film of polyethylene naphthalate, and the B layer 132 is a copolyester of naphthalenedicarboxylic acid and terephthalic acid. What has been configured is disclosed.
- the dial for solar timepiece 100 as a display plate in the prior art has a light-transmitting base material 101, a diffusion layer 102, and a reflective polarizer 103, so that the light transmittance is sufficiently high. While preventing the self-color of the solar cell 109 from being seen through. And having a decorative property.
- Patent Document 1 See, for example, Patent Document 1].
- Patent Document 1 International Publication No. WO2006 / 006390 (Pages 5-11, Fig. 1-2) Disclosure of Invention
- the display panel in the prior art cannot obtain a clear color with whiteness and brightness, which is similar to the metal display panel, and obtains a display panel having a high-quality appearance quality. It was difficult.
- the display panel in the prior art has a problem in that it does not have a metal feeling peculiar to metals and has poor design variation! /, And! /.
- the present invention supplies a sufficient amount of light for power generation of a solar cell so that the cross-hair and dark purple color of the solar cell are not visible, and has excellent decorativeness.
- An object is to provide a display board.
- the present invention provides a display panel having a metallic appearance similar to that of a metal display panel, white and brightness, and having a high-quality appearance quality.
- the purpose is to improve design thinness and make it thinner.
- the present invention provides devices using the display plate as a display plate for devices such as display plates for clocks, desk calculators, automobiles, airplane instrument panels, mobile phone and other mopile devices.
- the purpose is to provide.
- the display board of the present invention includes:
- a display board provided with a display board base provided on the viewing side
- the display panel substrate has at least one reflective polarizing plate
- the reflective polarizing plate has a light reflection axis and an easy light transmission axis
- It has a characteristic of transmitting light of a linearly polarized light component having a vibration plane parallel to the light transmission easy axis.
- the linearly polarized light component having a vibration surface parallel to the light reflection axis of the reflective polarizing plate is reflected, and the linear polarization component light having a vibration surface parallel to the light transmission easy axis is reflected.
- the reflected light from the solar cell is reduced, and the cross-hair and dark purple color of the solar cell are completely erased by scattering due to the uneven pattern, so that it cannot be seen at all.
- the crosshairs and dark purple of the solar cell can be completely erased, and a metallic feeling similar to that of a metal display board can be obtained, and a clear pattern can be visually recognized. You can power to get the board.
- the reflective polarizing plate has an uneven pattern on both the front and back surfaces
- the uneven patterns on both the front and back surfaces are different from each other.
- the display panel substrate has a plurality of reflective polarizing plates
- the reflective polarizing plate disposed on the most visible side has a concavo-convex pattern on at least one surface thereof.
- the display panel of the present invention is characterized in that the plurality of reflective polarizing plates are arranged such that directions of easy light transmission axes are different from each other.
- the reflective polarizing plate has an uneven pattern on both front and back surfaces
- the concave and convex patterns on the front and back surfaces are different from each other.
- a display board provided with a display board base provided on the viewing side
- the display plate substrate includes a light transmissive substrate and a reflective polarizing plate
- a display board provided with a display board base provided on the viewing side
- the display plate substrate includes at least one light transmissive substrate and at least one reflective polarizing plate,
- the optically transparent substrate and the reflective polarizing plate are provided as described above and the concave and convex patterns are formed on at least one surface of the reflective polarizing plate, for example, a solar-powered wrist watch or the like When used in a solar cell, it is possible to supply a sufficient amount of light for the power generation of the solar cell so that the crosshairs and dark purple color of the solar cell are visible.
- the reflective polarizing plate has a light reflection axis and an easy light transmission axis
- the linearly polarized light component having a vibration surface parallel to the light reflection axis of the reflective polarizing plate is reflected, and the linearly polarized light component having a vibration surface parallel to the light transmission easy axis is reflected.
- the reflected light from the solar cell is reduced, and the cross-hair and dark purple color of the solar cell are completely erased by scattering due to the uneven pattern, so that it cannot be seen at all.
- the crosshairs and dark purple color of the solar cell can be completely erased, and a metal feeling similar to that of a metal display board can be obtained, and a clear pattern can be visually recognized. You can power to get the board.
- the reflective polarizing plate has an uneven pattern on both the front and back surfaces
- the uneven patterns on both the front and back surfaces are different from each other.
- the light-transmitting substrate has an uneven pattern on at least one surface.
- the display panel of the present invention is characterized in that the light-transmitting substrate has a light-transmitting colored layer or a diffusion layer on at least one surface.
- the light transmissive substrate by configuring the light transmissive substrate to have the light transmissive colored layer or the diffusion layer on at least one surface, whiteness is increased by providing the light transmissive substrate with the diffusion layer. Thus, a display panel with a higher quality can be obtained. Further, by providing a light-transmitting colored layer on the light-transmitting substrate, a display panel having bright and clear colors can be obtained.
- the light-transmitting substrate contains at least one of a colorant and a diffusing agent.
- the display panel of the present invention is characterized in that the reflective polarizing plate is arranged on the side opposite to the viewing side.
- the display board of the present invention is characterized in that the light-transmitting substrate is arranged on the side opposite to the viewing side.
- the light transmissive substrate is at least one light transmissive material selected from a transparent resin material plate, a translucent color material plate, a phase difference plate, and a metal plate having a plurality of transmission holes. It is composed of a temporary substrate.
- the uneven pattern includes at least one pattern selected from a circle, a spiral, a stripe, a radial pattern, a grain, a satin texture, a stone tone, and a geometric pattern.
- the display panel of the present invention is characterized in that the reflective polarizing plate has a light-transmitting colored layer or a diffusion layer on at least one surface.
- the reflective polarizing plate by configuring the reflective polarizing plate to have a light-transmitting colored layer or a diffusing layer on at least one surface, whiteness is increased by providing the reflective polarizing plate with a diffusing layer. Thus, a display panel with a higher quality can be obtained.
- the display panel of the present invention is characterized in that a solar cell is provided on the side opposite to the viewing side of the display panel.
- the display panel of the present invention is characterized in that at least an outer peripheral portion between the substrates is fixed by a fixing member! /.
- each surface may be fixed with a fixing member such as an adhesive or an adhesive, and the entire surface between the reflective polarizing plate, solar cell, and light transmissive substrate is You may fix with a fixing member.
- a fixing member such as an adhesive or an adhesive
- the device according to the present invention includes any one of the display panels described above.
- the devices of the present invention are characterized in that a solar power generation device is provided on the lower surface side of the display panel.
- the devices of the present invention are characterized in that an antenna is provided on the lower surface side of the display plate.
- the devices of the present invention are characterized in that the devices are watches.
- a display panel for a clock, a desk calculator, a car When used as a display panel for equipment such as airplane instrument panels and mobile phones, especially when used in solar-powered wristwatches, it supplies a sufficient amount of light to generate solar cells. It is possible to make the crosshairs and dark purple of the solar cell invisible. In addition, design variations can be improved and the thickness can be reduced.
- the metal feeling is the same as that of the metal display board, it is possible to provide equipment including a high-quality display board that has whiteness and is excellent in decorativeness.
- the display panel according to the present invention forms an uneven pattern on the surface of the reflective polarizing plate, so that, for example, when used for a solar-powered wristwatch or the like, it is sufficient for power generation of a solar cell.
- the metal feeling is the same as that of the metal display board, a white display can be obtained, and a high-quality display board having excellent decorativeness can be realized.
- a bright and clear display panel can be obtained by providing a light-transmitting colored layer on the reflective polarizing plate.
- a light-transmitting substrate and a reflective polarizing plate are arranged on the viewing side, and an uneven pattern is formed on the surface of the reflective polarizing plate.
- the metal feeling is the same as that of the metal display board, whiteness is obtained and the decorativeness is excellent and the luxury feeling. It is possible to realize a display panel with Further, by providing a diffusion layer on a reflective polarizing plate or a light transmissive substrate, whiteness can be increased and a display panel with a higher quality can be obtained. In addition, a bright and clear display panel can be obtained by providing a light-transmitting colored layer on a reflective polarizing plate or a light-transmitting substrate.
- the thickness of the display panel can be easily adjusted by changing the thickness of the light-transmitting substrate.
- a translucent color material In addition to the transparent resin material, a translucent color material, a phase difference plate, a metal plate having a plurality of transmission holes, and the like can be used as the light-transmitting substrate. By combining with a light plate, a display plate having a vivid color with a metallic color and brightness can be obtained.
- the display board of the present invention is a display board for equipment such as a display panel for a clock, a desktop computer, an automobile, an instrument panel of an airplane, a mobile phone, and the like.
- a display panel for a clock such as a display panel for a clock, a desktop computer, an automobile, an instrument panel of an airplane, a mobile phone, and the like.
- the design variation can be improved and the thickness can be reduced, such as the expression of a three-dimensional uneven pattern with a depth.
- the metal feeling is the same as that of the metal display board, it is possible to provide equipment including a high-quality display board that is white and has a good decorative property.
- FIG. 1 shows a display panel of Example 1 of the present invention
- FIG. 1 (a) is a plan view
- FIG. 1 (b) is a sectional view taken along line A in FIG. 1 (a). .
- FIG. 2 is a perspective view showing a reflective polarizing plate substrate of Example 1 of the present invention.
- FIG. 3 is an optical path diagram showing the optical path of the display panel of Example 1 of the present invention.
- FIG. 4 is a cross-sectional view showing a display panel of Example 2 of the present invention.
- FIG. 5 is a cross-sectional view showing a display panel of Example 3 of the present invention. 6] FIG. 6 is a cross-sectional view showing another embodiment of the display panel of Embodiment 3 of the present invention.
- FIG. 7 is a cross-sectional view showing a display panel of Example 4 of the present invention.
- FIG. 8 is a cross-sectional view showing another embodiment of the display panel of Embodiment 4 of the present invention.
- FIG. 9 is a cross-sectional view showing the display panel of Example 4 of the present invention.
- FIG. 10 is a cross-sectional view showing the display panel of Example 5 of the present invention.
- FIG. 11 is a cross-sectional view showing another embodiment of the display panel of Embodiment 5 of the present invention.
- FIG. 12 is a cross-sectional view showing the display panel of Example 6 of the present invention.
- FIG. 13 is a cross-sectional view showing the display panel of Example 7 of the present invention.
- FIG. 14 is a perspective view showing first and second reflective polarizing plates of Example 5 of the present invention.
- FIG. 15 shows a display panel according to Example 8 of the present invention
- FIG. 15 (a) is a plan view
- FIG. 15 (b) is a cross-sectional view taken along line AA of FIG. 15 (a).
- FIG. 16 is an optical path diagram showing the optical path of the display panel of Example 8 of the present invention.
- FIG. 17 is a cross-sectional view showing the display panel of Example 9 of the present invention.
- FIG. 18 is a cross-sectional view showing the display panel of Example 10 of the present invention.
- FIG. 19 is a cross-sectional view showing a display panel of Example 11 of the present invention.
- FIG. 20 is a cross-sectional view showing another example of the display panel of Example 11 of the present invention.
- FIG. 21 is a cross-sectional view showing the display panel of Example 12 of the present invention.
- FIG. 22 is a cross-sectional view showing the display panel of Example 13 of the present invention.
- FIG. 23 is a cross-sectional view showing a display panel according to Embodiment 14 of the present invention.
- FIG. 24 is a cross-sectional view showing another embodiment of the display panel of Embodiment 14 of the present invention.
- FIG. 25 is a cross-sectional view showing the display panel of Example 15 of the present invention.
- FIG. 26 is a cross-sectional view showing the display panel of Example 16 of the present invention.
- FIG. 27 shows a display panel of Example 17 of the present invention
- FIG. 27 (a) is a plan view
- FIG. 27 (b) is a cross-sectional view taken along line AA of FIG. 27 (a).
- FIG. 28 is an optical path diagram showing the optical path of the display panel of Example 17 of the present invention.
- FIG. 29 is a perspective view showing the first and second reflective polarizing plates of Example 17 of the present invention.
- FIG. 30 is a cross-sectional view showing the display panel of Example 18 of the present invention.
- FIG. 31 is a cross-sectional view showing the display panel of Example 19 of the present invention.
- FIG. 32 is a cross-sectional view showing another embodiment of the display panel of Embodiment 20 of the present invention.
- FIG. 33 is a plan view showing the arrangement of optical axes of the first and second reflective polarizing plates and the retardation plate of Example 20 of the present invention.
- FIG. 34 is a diagram showing the relationship between the arrangement of the optical axes of the first and second reflective polarizing plates and the retardation plate of Example 20 of the present invention and the display color.
- FIG. 35 is a view showing a display panel of Example 21 of the present invention.
- FIG. 35 (a) is a schematic cross-sectional view
- FIG. 35 (b) is a diagram showing the first reflective polarizing plate and the second display.
- FIG. 35 (c) is a cross-sectional view of the pressure-sensitive adhesive material containing a base material
- FIG. 35 (c) is a cross-sectional view of the pressure-sensitive adhesive material containing the base material.
- FIG. 36 is a diagram showing the arrangement of optical axes of the first and second reflective polarizing plates of Example 21 of the present invention and the relationship between the arrangement in the longitudinal direction of the double-sided tape and the display color.
- FIG. 37 is a cross-sectional view showing the display panel of Example 22 of the present invention.
- FIG. 38 is a cross-sectional view showing a display panel according to Embodiment 23 of the present invention.
- FIG. 39 is a cross-sectional view showing the display panel of Example 24 of the present invention.
- FIG. 40 is a cross-sectional view showing the display panel of Example 25 of the present invention.
- FIG. 41 is a cross-sectional view showing the display panel of Example 26 of the present invention.
- FIG. 42 is a cross-sectional view showing the display panel of Example 27 of the present invention.
- FIG. 43 is a cross-sectional view showing the display panel of Example 28 of the present invention.
- FIG. 44 is an exploded perspective view in which the display board of the present invention is applied to a wireless function watch.
- FIG. 45 is a partial cross-sectional view taken along the line AA in the state in which the wireless function watch of FIG. 44 is assembled.
- FIG. 46 is a photomicrograph showing an experimental example in which the state of thermal transfer of the reflective polarizing plate was verified using an optical micrograph.
- FIG. 47 shows the light transmittance of a reflective polarizing plate having no pattern, a reflective polarizing plate having a pattern formed by thermal transfer, and a reflective polarizing plate having a pattern formed by machining. It is a photograph which shows the experimental example which measured.
- FIG. 48 is a diagram showing a general solar cell.
- FIG. 49 is a schematic sectional view showing a conventional display panel.
- FIG. 50 is a schematic configuration diagram showing a reflective polarizer of the prior art. Explanation of symbols
- Light transmissive colored layer Light transmissive substrate a slow axis
- Light transmissive colored layer Light transmissive substrate Reflective polarizing plate a recess
- Light transmissive colored layer Light transmissive substrate a
- the display plates of Examples 1 to 7 below include a solar cell and a reflective polarizing plate provided on the viewing side of the solar cell, and the surface of the reflective polarizing plate has an uneven surface.
- a sufficient amount of light is supplied to the power generation of the solar cell so that the cross line and dark purple of the solar senor are not visible, and a thin display board with excellent decorativeness is realized. It is.
- FIG. 1 shows a display panel of Example 1
- FIG. 1 (a) is a plan view
- FIG. 1 (b) is a cross-sectional view taken along line AA in FIG. 1 (a).
- 2 is a perspective view showing a reflective polarizing plate
- FIG. 3 is an optical path diagram of a display panel.
- the display board of Example 1 includes a solar cell 17 and the solar cell 17 And a reflective polarizing plate 11 provided on the viewing side.
- FIG. 1 a diagram is shown in which an axial hole that passes through the needle shaft that drives the minute hand and the hour hand is formed only in the reflective polarizing plate 11.
- Force The solar sensor 17 is also formed with a shaft hole that passes through the needle shaft of the movement located below it. However, for the sake of convenience, the shaft hole of the solar sensor 17 is omitted. (In the following examples, the same applies to the reflective polarizing plate, the light-transmitting substrate, and the axial hole of the solar cell).
- a concavo-convex pattern 13 having a stripe shape is formed, and a time character 15, a mark, and the like are further attached.
- the reflective polarizing plate 11 and the solar cell 17 have their outer peripheral portions fixed to each other by a fixing member 19 such as an adhesive or an adhesive.
- the reflective polarizing plate 11 and the solar cell 17 can be simply arranged in layers and held by a watch inner frame or the like without using the fixing member 19 (also in the following examples). The same).
- the reflective polarizing plate base material as the material of the reflective polarizing plate 11 is preferably a laminate in which two types of films having different polarizabilities are alternately laminated.
- Sumitomo 3M The product name “DBEF-E” manufactured by the company was used.
- the reflective polarizing plate substrate 10 made of "DBEF-E” has a light reflection axis N and an easy light transmission axis M! Linearly polarized light with a plane of vibration parallel to the light is reflected, and light of a linearly polarized light with a plane of vibration parallel to the light transmission easy axis M is transmitted. It also has the property of transmitting about 50% of light and reflecting about 50% of light.
- Various values of the thickness t of the reflective polarizing plate substrate 10 of about 130 to 400 111 are commercially available and can be selected as necessary.
- the surface of the reflective polarizing plate substrate 10 has an uneven shape such as embossing, for example. If one is used, interference fringes can be prevented when the solar cell 17 and the reflective polarizing plate substrate 11 are arranged.
- a reflective polarizing plate substrate 10 having a thickness t and a value of 160 m was used.
- a striped uneven pattern 13 is formed on the surface of the reflective polarizing plate substrate 10, and then punched into a display plate shape to obtain the reflective polarizing plate 11 shown in FIG. It is.
- the stripe-shaped uneven pattern 13 formed on the surface of the reflective polarizing plate 11 is formed by engraving by machining such as cutting.
- the stripe-shaped uneven pattern 13 is formed such that the depth and width of the recesses and the width of the protrusions are visible to the eye, and the pattern can be visually recognized from the upper surface side.
- the value of the width b of the concavo-convex pattern 13 formed by this cutting is not particularly limited, and is preferably set in the range of force S, 40-60111.
- the value of the pattern depth d can also be set as appropriate, but it is preferably set in the range of 10-20111.
- the striped uneven pattern 13 also has an action of refracting and scattering reflected light from below.
- the stripe pattern and the metallic feeling are brightly and clearly visible by the reflected light of the reflective polarizing plate 11.
- the crosshairs and dark purple of the solar cell are completely erased and are no longer visible.
- the uneven pattern 13 of this embodiment may be formed into another stripe pattern with force unevenness formed in a stripe shape.
- various patterns such as circles, swirls, satin patterns, checkered patterns, substantially pyramid shapes, geometric patterns, stitch patterns, stone-tone patterns, sand texture patterns, ripple patterns, Asahi light texture, etc. The ability to select according to the desired design.
- the striped uneven pattern 13 is formed by machining such as cutting, but in addition to this, various processing methods such as thermal transfer processing, press processing, and sand blast processing are used depending on the pattern to be selected. be able to.
- the cross-sectional shape of the uneven pattern can be appropriately selected such as a V shape, a U shape, or a square shape.
- linearly polarized light nl having a vibration plane parallel to the light reflection axis of the reflective polarizing plate 11 is reflected from the reflective polarizing plate 11 and reflected.
- Light P2 is emitted outside.
- the linearly polarized light component ml having a vibration plane parallel to the light transmission easy axis of the reflective polarizing plate 11 passes through the reflective polarizing plate 11 and enters the solar cell 17.
- the light incident on the solar cell 17 is divided into light absorbed therein and light reflected therefrom.
- the light reflected from the solar cell 17 is linearly polarized light m2 having a vibration plane parallel to the light transmission easy axis of the reflective polarizing plate 11, and the reflected light m2 passes through the reflective polarizing plate 11. P3 is emitted outside.
- the linearly polarized light component n2 having a vibration plane parallel to the light reflection axis of the reflective polarizing plate 11 is reflected from the reflective polarizing plate 11 and becomes reflected light P4 on the solar cell 17 side. Come back. As a result, the amount of light incident on the reflective polarizing plate 11 and reflected from the solar cell 17 and returning to the reflective polarizing plate 11 becomes very small.
- the uneven pattern 13 is formed on the surface of the reflective polarizing plate 11
- the reflected light P2 reflected on the surface of the reflective polarizing plate 11 and the solar cell 17 reflect the reflective type.
- the reflected light P3 transmitted through the polarizing plate 11 is not reflected in a uniform direction, but is emitted outside as reflected light scattered and scattered in all directions.
- the crosshairs and dark purple color of the solar cell 17 are completely erased, and the same metallic feeling as that of the metal display board is obtained and a clear pattern is visually recognized.
- a display panel with excellent decorativeness can be obtained.
- a thin and high-quality display plate could be obtained by setting the thickness of the reflective polarizing plate 11 to 160 m.
- FIG. 4 is a cross-sectional view showing the display panel of Example 2.
- the display panel of Example 2 has a textured uneven pattern 23 on the surface of the reflective polarizing plate 21 facing the solar cell 17 from the mold. This is different from Example 1 in that it was transferred and formed, and the other points were the same as Example 1.
- the light transmission and reflection actions of the reflective polarizing plate 21 of this example are the same as those of the reflective polarizing plate 11 described in Example 1 above.
- the textured uneven pattern 23 provided on the reflective polarizing plate 21 can adjust the metallic color and whiteness of the display plate by changing the size of the unevenness.
- the size of the unevenness is # 180 or more, which indicates the roughness of sandpaper, a color feeling in which the metallic color and whiteness are mixed in half is obtained. A little metallic color appears in the whiteness and a beautiful white feeling is obtained.
- the size of the unevenness is larger than the # 120 roughness.
- Example 1 Further, as in Example 1, a reflective polarizing plate (longitudinal wave pattern), which was patterned by machining, had a light transmittance of 64.6% and had no pattern. It can be seen that the light transmittance is improved compared to the light transmittance of the plate.
- the light transmittance is generally obtained from the amount of power generated by the solar cell by the light transmitted through the dial for the solar cell timepiece. That is, in a device in which external light is not allowed to enter, light is applied to a solar cell placed at a certain distance from the light source, and the current value when converted from light energy to electrical energy is defined as Ao. A solar cell watch dial is placed on top, and the current value measured in the same manner as above is A1, and A1 is expressed as a percentage of Ao.
- the display panel of this example has a textured pattern 23 formed on the surface of the reflective polarizing plate 21 on the side facing the solar cell 17, but is described in Example 1 above. As described above, other pattern patterns with unevenness may be formed. In addition, the uneven pattern 23 is formed by transferring from a mold, but various processing methods such as cutting, pressing, and sandblasting can be used depending on the pattern to be selected.
- the same white feeling as that of the metal display panel can be obtained. Also in this embodiment, the same effect as in Embodiment 1 can be obtained. Furthermore, by providing an uneven pattern on the surface of the reflective polarizing plate 21 on the side facing the solar cell 17, a transparent display pattern can be visually recognized, and a high-quality display board can be obtained. .
- Example 5 and 6 show the display plate of Example 3, which shows an example in which uneven patterns are formed on both surfaces of the reflective polarizing plate.
- a lattice-shaped uneven pattern 33 is formed on the surface on the viewing side of the reflective polarizing plate 31, and the side facing the solar cell 17.
- a circular or spiral concavo-convex pattern 43 is formed on the surface of this, and both are formed by transferring from a mold and can be processed simultaneously on both sides.
- Example 1 Others are the same as those of Example 1, and the light transmission and reflection of the reflective polarizing plate 31 of this example are similar to those of Example 1.
- the action of the projection is the same as that of the reflective polarizing plate 11 described in the first embodiment.
- the lattice-shaped uneven pattern 33 formed on the surface of the reflective polarizing plate 31 on the viewing side is such that the depth and width of the recesses, the width of the protrusions, etc. are of a size that can be visually recognized. It is formed and the pattern is clearly visible from the upper side.
- the value of the width b of the uneven pattern 33 is not particularly limited, but is preferably set in the range of 40 to 60 m. Further, the value of the pattern depth d is preferably set in the range of 10 to 20 111 which can be appropriately set.
- the circular or spiral pattern 43 formed on the surface of the reflective polarizing plate 31 facing the solar cell 17 has a triangular cross-section, and is a circle pattern. It is formed in a shape or a spiral pattern.
- the angle of the triangle is in the range of 75 to 100 degrees for both the concave and convex portions.
- the height h is 10 to 20 111
- the pitch p is about 100 m. It is preferable to form the height and the pitch so that the mold can be easily processed and is visible.
- the display plate of this example has been described with an example in which a lattice-shaped uneven pattern and a circular or spiral pattern are formed on both surfaces of the reflective polarizing plate 31, As long as the patterns to be formed in the pattern are different from each other, other uneven patterns may be formed.
- the uneven patterns 33 and 43 can be formed by using various processing methods such as cutting, pressing, and sandblasting depending on the selected pattern. It can also be used in combination.
- the display panel of this example is formed by forming different uneven patterns 33 and 43 on both surfaces of the reflective polarizing plate 31 so that the uneven patterns 33 and 43 overlap each other. It is done. Further, the uneven patterns 33 and 43 also have an action of refracting and scattering the reflected light.
- the reflected light from the reflective polarizing plate 31 expresses a complex pattern, which is a combination of two patterns, with a bright metallic color, and the ability to expand the design variations of the display panel. S can. Also, the crosshairs and dark purple of the solar cell are completely erased and are no longer visible.
- FIG. 6 is a cross-sectional view showing another example of the display panel of Example 3. As shown in FIG. [0129] As shown in FIG. 6, the display panel of this example was formed on the surface of the reflective polarizing plate 41 on the viewing side.
- a lattice-like uneven pattern 33 is formed, and the same lattice-like uneven pattern 53 is also formed on the surface facing the solar cell 17.
- the concave and convex patterns 33 and 53 are formed so that the concave parts 53 a of the concave and convex pattern 53 are arranged at positions corresponding to the convex parts 33 a of the concave and convex pattern 33.
- Example 3 Others are the same as in Example 3.
- the depth of the grid-like concavo-convex pattern is emphasized, the three-dimensional concavo-convex pattern is visually recognized, and it is possible to obtain a higher-grade display board.
- Example 7 to 9 show the display panel of Example 4, showing an example in which an uneven pattern is formed on the reflective polarizing plate and a light-transmitting colored layer or diffusion layer is provided.
- Fig. 7 shows an example in which a concavo-convex pattern is formed on the surface of the reflective polarizing plate on the viewing side, and a light-transmitting colored layer is provided on the surface.
- the display panel of this example was formed on the surface of the reflective polarizing plate 51 on the viewing side.
- a circle-shaped uneven pattern 63 is formed, and the light-transmitting colored layer 14 is provided on the surface of the uneven pattern 63.
- the circular uneven pattern 63 is formed by transferring from a mold, and the width and depth values of the uneven pattern 63 are not particularly limited, but are 10 to; It is preferable to set it within the range of 15 111.
- Example 1 Others are the same as in Example 1, and the light transmission and reflection actions of the reflective polarizing plate 51 of this example are the same as those of the reflective polarizing plate 11 described in Example 1 above. is there.
- the light transmissive colored layer 14 is made into an ink by mixing copper metal powder with a transparent urethane resin.
- the circular uneven pattern 63 is clearly visible from the viewing side.
- this circle-shaped uneven pattern 63 also has an action of refracting and scattering the reflected light from below, and the strong reflected light of the reflective polarizing plate 51 gives a golden feeling to the circular arc-shaped uneven pattern 63. Visible and clear. As a result, a feeling of precious metal is felt. Therefore, a high-quality display board can be obtained. Also, the color of the solar cell 17 is completely erased and cannot be seen.
- FIG. 8 is an example in which a concavo-convex pattern is formed on the surface of the reflective polarizing plate on the viewing side, and a light-transmitting colored layer is provided on the surface facing the solar cell 17.
- a radial uneven pattern 73 is formed from the center hole on the surface on the viewing side of the reflective polarizing plate 61, and so-called Asahi light weight is provided. It has been subjected.
- the concavo-convex pattern 73 was formed using a device dedicated to Asahi light.
- the width and depth values of the concavo-convex pattern 73 are not particularly limited, but are preferably set to about 5 m. Further, a light-transmitting colored layer 24 is provided on the surface of the reflective polarizing plate 61 on the side facing the solar cell 17.
- the light transmissive colored layer 24 is formed by mixing a white pigment with a resin and printing.
- the reason why the white pigment is used is to give a white feeling to the display board. When the film thickness is increased, whiteness appears, but the transmittance deteriorates.
- the film thickness is reduced to about 7 to 10 m, so that the transmittance is reduced by about 10%. If you want to produce other colors, use other pigments. Further, it is preferable to select appropriately according to the desired color even if a very thin metal film is formed by a vapor deposition method.
- the diffusion layer is a mixture of a diffusion agent that has the function of diffusing light incident on an adhesive, adhesive, etc.
- the material of the diffusion agent is granular, powdery, scale-like, or needle-like silica.
- Glass, resin, etc. can be used.
- the display board of this example completely erases the color of the solar cell 17.
- the whiteness is further increased and the whiteness is emphasized, and the Asahi light weight is clearly visible. As a result, a high-quality display board can be obtained.
- FIG. 9 shows an example in which a concavo-convex pattern is formed on the surface of the reflective polarizing plate on the viewing side, and a light-transmitting colored layer is provided on both surfaces of the viewing side and the side facing the solar cell. It is.
- the display panel of this example was formed on the surface of the reflective polarizing plate 71 on the viewing side.
- An uneven pattern 83 made of a stone pattern is formed, a light-transmitting colored layer 34 is provided on the surface of the uneven pattern 83, and a diffusion layer 12 is formed on the surface facing the solar cell 17. It is provided.
- the concavo-convex pattern 83 made of a stone pattern is formed by transferring from a mold, and the width and depth values of the concavo-convex pattern 83 are not particularly limited. It is preferable to set in the range of 25 111.
- Example 1 Others are the same as in Example 1, and the light transmission and reflection actions of the reflective polarizing plate 71 of this example are the same as those of the reflective polarizing plate 11 described in Example 1 above. is there.
- the first light-transmitting colored layer 34 is coated with a transparent blue paint to such an extent that the concave portions of the concavo-convex pattern 83 made of a stone pattern are completely filled, and a thick coating layer is formed. Then, the surface of the thick coating layer is polished to form a smooth surface.
- the diffusing layer 12 was prepared by mixing a scaly resin into an adhesive.
- the uneven pattern 83 made of a blue stone pattern is clearly visible from the viewing side. Further, since the surface of the light-transmitting colored layer 34 is polished smoothly, the depth of the blue stone pattern is generated, and a high-quality display panel can be obtained. Further, the color of the solar cell 17 is completely erased and is not visually recognized.
- FIGS. 10 to 11 show the display panel of Example 5, in which two reflective polarizing plates are stacked and an uneven pattern is formed on the surface of the reflective polarizing plate arranged on the viewing side. An example of forming this is shown.
- the display panel of Example 5 faces the solar cell 17, the first reflective polarizing plate 18 provided on the viewing side of the solar cell 17 and the solar cell 17. And a second reflective polarizing plate 16 provided on the side.
- a concavo-convex pattern 13 having a stripe shape is formed, and a time character 15, a mark, and the like are further attached.
- the first reflective polarizing plate 18 and the second reflective polarizing plate 16 are fixed to each other by a fixing member 19a made of a transparent adhesive material, an adhesive, or the like.
- the second reflective polarizing plate 16 and the solar cell 17 are fixed to each other by a fixing member 19 such as an adhesive or an adhesive.
- the first reflective polarizing plate 18 and the uneven pattern 13 are the same as the reflective polarizing plate 11 and the uneven pattern 13 of Example 1, and thus the description thereof is omitted.
- the second reflective polarizing plate 16 is different only in that the uneven pattern is not formed on the surface. For other points such as light transmission and reflection, the second reflective polarizing plate 16 can be Since this is the same as the reflective polarizing plate 11 described in 1, description thereof is omitted.
- the first and second reflective polarizing plates 18 and 16 each have a light reflection axis and an easy light transmission axis.
- the first and second reflective polarizing plates 18 and 16 are stacked so that the light transmission easy axes 18a and 16a have different directions.
- the value of the crossing angle s is preferably set in the range of 5 to 45 degrees because it is necessary to secure the amount of light transmitted through the two reflective polarizing plates.
- the value of the crossing angle s was set to about 20 degrees.
- the first and second reflective polarizing plates 18 and 16 are circular in shape, but in FIG. 14, they are drawn in a simulated quadrilateral shape for easy understanding.
- the first reflective polarizing plate 18 of this example forms a striped uneven pattern 13 on the surface of the reflective polarizing plate substrate 10, and then the display plate. It was formed by punching into a shape.
- the second reflective polarizing plate 16 is formed by punching the reflective polarizing plate base material 10 into a display plate shape. Thereafter, the surface of the first reflective polarizing plate 18 where the uneven pattern 13 is not formed and the surface of the second reflective polarizing plate 16 are overlapped, and the adhesive material having transparency over the entire surface or It is fixed by a fixing member 19a such as an adhesive and integrated.
- the display panel of this example has the value of the crossing angle s between the light transmission easy axes 18a and 16a of the two reflective polarizing plates of the first and second reflective polarizing plates 18 and 16. By changing the two pieces The amount of light transmitted through the reflective polarizing plate can be easily and easily adjusted.
- the power S can be reduced. Further, as in Example 1, the color of the solar cell 17 can be completely erased and the stripe pattern can be clearly seen.
- FIG. 11 shows another embodiment of the display panel of this embodiment. As shown in FIG. 11
- the first and second reflective polarizing plates 18 and 16 may be fixed by a fixing member 19b made of an adhesive or an adhesive at the outer peripheral portions of the surfaces.
- FIG. 12 shows an example of the display panel of Example 6, which includes first and second reflective polarizers 28 and 16, and the second reflective polarizer 16 of the first reflective polarizer 28 and A textured uneven pattern 23 is provided on the surface on the opposite side, and the first and second reflective polarizing plates 28 and 16 and the solar cell 17 are simply laminated without using a fixing member. It is held by the inner frame of the watch
- the value of the crossing angle s was set to about 15 degrees in order to secure the amount of transmitted light. Others are the same as in Example 5.
- the first reflective polarizing plate 28 and the textured uneven pattern 23 are the same as the reflective polarizing plate 21 and the uneven pattern 23 of Example 2, and thus the description thereof is omitted. .
- FIG. 13 shows an example of the display plate of Example 7.
- the light-transmitting surface is formed on the surface on the viewing side where the uneven pattern 13 of the first reflective polarizing plate 18 of Example 5 is formed.
- a colored layer 24 is provided, and a diffusion layer 12 is provided on the surface of the second reflective polarizing plate 16 facing the solar cell 17.
- the first and second reflective polarizing plates 18, 16 and the solar cell 17 are simply laminated without using a fixing member, and are held by an inner frame of a watch or the like. .
- the value of the crossing angle s is set to about 15 degrees. Others are the same as in Example 5.
- the light transmissive colored layer 24 is formed by mixing a white pigment with a resin and printing.
- the reason why the white pigment is used is to give a white color to the display panel, and the thickness is about 7 to 10 m.
- the diffusion layer 12 used was a material in which granular glass was mixed with an adhesive as the material of the diffusing agent.
- the whiteness is further increased by the diffused action of the reflected light of the first and second reflective polarizing plates 18, 16, the white color of the light-transmitting colored layer 24, and the diffusion layer 12. It is possible to clearly see the stripe pattern with whiteness emphasized.
- Example 5 to Example 7 an uneven pattern is provided on either the surface on the viewing side of the first reflective polarizing plate or the surface on the side facing the solar cell. As described in the embodiment, uneven patterns may be provided on both surfaces.
- the display panels of Examples 8 to 16 below include a solar cell, a light-transmitting substrate provided on the viewing side of the solar cell, and a reflective polarizing plate.
- a solar cell By forming an uneven pattern on the surface of the board, it provides a sufficient amount of light for power generation of the solar cell so that the crosshair and dark purple color of the solar cell are not visible, and there is depth It is possible to express a three-dimensional uneven pattern and realize a display panel with excellent decoration.
- the reflective polarizing plate can be disposed in the lower layer or the upper layer of the light transmissive substrate.
- the reflective polarizing plate is disposed in the lower layer of the light transmissive substrate, the light transmissive substrate Through The uneven pattern of the reflective polarizing plate can be visually recognized, and a three-dimensional expression with a depth can be achieved.
- the light-transmitting substrate 16A is made of a transparent resin material such as polycarbonate or acrylic, an inorganic material such as glass, sapphire, or ceramics, a translucent color material, or the like, for example, a film made of resin or the like. It can be used and has the power to realize a display board with clear colors. In particular, when polycarbonate or acrylic is used, the light resistance can be further improved. Further, it is more preferable to form an ultraviolet cut (absorbing) layer or to contain an ultraviolet cut (absorbing) agent.
- the reflective polarizing plate is disposed on the upper layer of the light-transmitting substrate, in addition to the above materials, a retardation plate, a metal plate having a plurality of small holes that transmit light, and the like are used.
- a display plate having a vivid color with a metallic color or brightness can be realized.
- a display panel having clear colors and high-quality whiteness can be obtained. Further, the same effect can be obtained by adding a colorant or a diffusing agent to the light-transmitting substrate or the reflective polarizing plate.
- FIG. 15 shows a display panel of Example 8
- FIG. 15 (a) is a plan view
- FIG. 15 (b) is an AA sectional view of FIG. 15 (a).
- FIG. 16 shows an optical path diagram of the display board.
- the display board of Example 8 includes solar cell 17 and solar cell 1
- a light transmitting substrate 16A provided on the viewing side, and a reflective polarizing plate 11 disposed between the solar cell 17 and the light transmitting substrate 16A.
- a time character 15 or a mark is attached on the surface of the light-transmitting substrate 16A on the viewing side.
- an uneven pattern 13 is formed on the surface of the reflective polarizing plate 11 on the side facing the light transmissive substrate 16A.
- the outer peripheral portions of the light transmissive substrate 16A and the reflective polarizing plate 11 are fixed by a fixing member 19a such as an adhesive or an adhesive.
- a fixing member 19a such as an adhesive or an adhesive.
- reflective polarizing plate 11 and solar cell 1 are fixed by a fixing member 19a such as an adhesive or an adhesive.
- a fixing member 19 such as an adhesive or an adhesive.
- the light-transmitting substrate 16A, the reflective polarizing plate 11, and the solar cell 17 are bonded and fixed on the entire surface. Instead of using the fixing members 19 and 19a, they can be simply stacked and held by the inner frame of the watch. Further, the light-transmitting substrate 16A and the reflective polarizing plate 11 can be fixed by thermo-compression.
- the light-transmitting substrate 16A is a light-transmitting substrate 16A shown in FIG. 15, which is punched into a display plate shape using a transparent polycarbonate resin or acrylic resin.
- the surface of the light-transmitting substrate 16A is smooth and has a thickness of about 200 ⁇ m, preferably about 700 ⁇ m. did.
- the reflective polarizing plate substrate as the material of the reflective polarizing plate 11 is preferably a laminate in which two types of films having different polarizabilities are alternately laminated.
- the product name “DBEF-E” manufactured by Sumitomo 3M Co. is used, which is the same as in Example 1, and therefore detailed description thereof is omitted.
- a stripe-shaped uneven pattern 13 is formed on the surface of the reflective polarizing plate substrate 10, and then punched into a display plate shape.
- the stripe-shaped uneven pattern 13 formed on the surface of the reflective polarizing plate 11 is formed by engraving by machining such as cutting in the same manner as in Example 1. Since this is the same as Example 1, detailed description thereof is omitted.
- the light transmissive substrate 16A processed as described above and the reflective polarizing plate 11 are fixed to each other at the outer peripheral portion by a fixing member 19a such as an adhesive or an adhesive. At this time, the uneven pattern 13 of the reflective polarizing plate 11 is arranged and fixed so as to face the surface of the light-transmitting substrate 16A.
- the reflective polarizing plate 11 integrated with the light transmissive substrate 16A and the solar cell 17 are fixed to each other at the outer periphery with a fixing member 19 such as an adhesive or an adhesive.
- the display board of this example was formed as shown in FIG.
- the light P1 incident on the light transmissive substrate 16A is refracted in the light transmissive substrate 16A, passes through the light transmissive substrate 16A, and enters the reflective polarizing plate 11.
- the light P1 incident on the reflective polarizing plate 11 is reflected polarized light provided with the first uneven pattern 13 Incident on plate 11.
- the linearly polarized light component ml having a vibration plane parallel to the light transmission easy axis of the reflective polarizing plate 11 passes through the reflective polarizing plate 11 and enters the solar cell 17.
- the light incident on the solar cell 17 is divided into light absorbed therein and light reflected therefrom.
- Light reflected from the solar cell 17 is linearly polarized light m2 having a vibration plane parallel to the light transmission easy axis of the reflective polarizing plate 11, and the light m2 is transmitted through the reflective polarizing plate 11 to be light.
- the light enters the transmissive substrate 16A. Then, it is refracted and radiated as reflected light P3.
- the linearly polarized light component n2 having a vibration plane parallel to the light reflection axis of the reflective polarizing plate 11 is reflected from the reflective polarizing plate 11 and becomes reflected light P4 on the solar cell 17 side.
- the amount of light incident on the light transmissive substrate 16A, reflected from the solar cell 17 and returned to the light transmissive substrate 16A is very small.
- the uneven pattern 13 is formed on the surface of the reflective polarizing plate 11, the reflected light from the surface of the reflective polarizing plate 11 or reflected by the solar cell 17 is reflected.
- the reflected light that has passed through the plate 11 is not reflected in a uniform direction, but is reflected and scattered in all directions, enters the light-transmitting substrate 16A, is refracted, and is emitted outside.
- the light transmissive substrate 16A is formed by disposing the reflective polarizing plate 11 between the light transmissive substrate 16A and the solar cell 17.
- the stripe pattern as the concavo-convex pattern 13 can be viewed brightly and clearly, and a three-dimensional expression with depth can be realized.
- FIG. 17 is a schematic sectional view showing the display panel of Example 9.
- the display panel of this example is different from Example 8 in that a light-transmitting colored layer is provided on the surface of the light-transmitting substrate facing the reflective polarizing plate. Same as Example 8
- the display board of this example includes a solar cell 17, a light-transmitting substrate 16A provided on the viewing side of the solar sensor 17, a solar cell 17 and a light-transmitting substrate 16A.
- the reflective polarizing plate 11 is provided between them, and the light transmitting colored layer 14 is provided on the surface of the light transmitting substrate 16A on the side facing the reflective polarizing plate 11.
- the light transmissive colored layer 14 is formed by mixing a white pigment with a resin and printing.
- the reason why the white pigment is used is to give a white feeling to the display board. When the film thickness is increased, whiteness appears, but the transmittance deteriorates.
- the film thickness is reduced to about 7 to 10 m, so that the transmittance is reduced by about 10%. If you want to produce other colors, use other pigments. Further, it is preferable to select appropriately according to the desired color even if a very thin metal film is formed by a vapor deposition method.
- the display board of this example completely erases the color of the solar cell 17 and further enhances the whiteness to enhance the whiteness, so that the striped uneven pattern 13 can be clearly seen. Touch with S.
- the diffusion layer is a mixture of a diffusion agent having a function of diffusing light incident on an adhesive, an adhesive, a resin (transparent ink, transparent paint), etc.
- the material of the diffusion agent is granular, powder, scale, Needle-like silica, glass, resin, or the like can be used.
- the display panel of this embodiment can completely erase the color of the solar cell 17 and further increase the whiteness to enhance the whiteness, thereby obtaining a high-quality display panel.
- FIG. 18 is a cross-sectional view showing the display panel of Example 10. As shown in FIG. [0211] The display panel of Example 10 is different from the point S in which a pear-like uneven pattern 23 is formed on the surface of the reflective polarizing plate on the side facing the solar cell. Is the same as in Example 8.
- the display board of this example includes a solar cell 17, a light-transmitting substrate 16A provided on the viewing side of the solar sensor 17, a solar cell 17 and a light-transmitting substrate 16A.
- a reflective polarizing plate 21 disposed between the two, and a textured uneven pattern 23 is provided on the surface of the reflective polarizing plate 21 on the side facing the solar sensor 17.
- the light-transmitting substrate blank material and the reflective polarizing plate blank material are pressure-bonded and fixed by a thermocompression bonding method. Both blanks were both finished with a smooth flat surface! /.
- a satin-like uneven pattern 23 is formed on the surface of the integrated reflective polarizing plate blank material, and then punched into a display plate shape, and the integrated light-transmitting substrate 16A and A reflective polarizing plate 21 was formed.
- Fig. 18 the region 20 where the light-transmitting substrate 16A and the reflective polarizing plate 21 are thermocompression bonded is shown with crossed diagonal lines in order to facilitate component power. In the case of such a smooth flat surface, it can be fixed by thermocompression bonding without using an adhesive or adhesive.
- the reflective polarizing plate 21 integrated with the light-transmitting substrate 16A is fixed to the solar cell 17 at the outer peripheral portion with a fixing member 19 such as an adhesive or adhesive, and is shown in FIG. As shown, the display board of this example was formed.
- the textured uneven pattern 23 provided on the reflective polarizing plate 21 of this example changes the size of the unevenness so that the metallic color and whiteness of the display panel are sensed. Since this is the same as in Example 2, detailed description thereof is omitted.
- the color of the solar cell 17 is completely erased, and the satin pattern formed on the reflective polarizing plate 21 is transparent to the transparent substrate 16A. Layer It can be seen through, and a deep white feeling can be obtained. Furthermore, by providing an uneven pattern different from the satin pattern on the surface of the reflective polarizing plate 21 on the side facing the solar cell 17, a transparent and deep pattern is visually recognized, resulting in a high-class feeling. Obtain a display board with a force S.
- FIG. 19 shows a display panel of Example 11, showing an example in which uneven patterns are formed on the surfaces of the light-transmitting substrate and the reflective polarizing plate.
- the display board of this example is formed on the surface of the light-transmitting substrate 26 on the viewing side.
- This pattern is formed by transferring the marks and misalignments from the mold.
- Example 8 Others are the same as in Example 8, and the light transmission and reflection actions of the reflective polarizing plate 31 of this example are the same as those of the reflective polarizing plate 11 described in Example 8 above. is there.
- the light-transmitting substrate 26 is different from the light-transmitting substrate 16A of Example 8 in which the uneven pattern 18A is formed on the surface, and the others are the same.
- the grid-like uneven pattern 18A of the light-transmitting substrate 26 is formed in such a size that the depth and width of the recesses, the width of the protrusions, etc. are visible to the eye, and from the upper surface side. The pattern is clearly visible.
- the lattice-shaped uneven pattern 33 of the reflective polarizing plate 31 is formed with the same size as the lattice-shaped uneven pattern 18A of the light-transmitting substrate 26.
- the light transmissive substrate 26 is arranged so that the concave and convex portions 33b of the concave and convex patterns 33 of the reflective polarizing plate 31 are arranged at positions corresponding to the convex portions 18B of the concave and convex patterns 18A.
- a substrate 26 and a reflective polarizing plate 31 are laminated.
- the value of the width b of the lattice-shaped uneven pattern 33 of the reflective polarizing plate 31 is not particularly limited, but is preferably set in the range of 40-60111. Further, the value of the pattern depth d can be set as appropriate, but is preferably set in the range of 10 to 20 111.
- the lattice-shaped uneven pattern 18A of the light-transmitting substrate 26 is the same as the uneven pattern 33 of the reflective polarizing plate 31 described above, and a description thereof will be omitted.
- the light transmissive substrate 26 is This is the same as the point S in which the uneven pattern 18A is formed on the surface, the light-transmitting substrate 16A in Example 8, and the others.
- the depth of the lattice-shaped uneven pattern is emphasized, and the uneven pattern with a three-dimensional effect is visually recognized, so that a display panel with a higher-class feeling can be obtained.
- the crosshairs and dark purple of the single cell are completely erased and are no longer visible.
- the display panel of this example has been described in the example in which the light-transmitting substrate 26 and the reflective polarizing plate 31 are provided with the same lattice-shaped uneven pattern, the light-transmitting substrate and the reflective type Different patterns may be formed on the respective surfaces of the polarizing plate.
- FIG. 20 shows another example of the display panel of Example 11. In FIG. 20
- This example is an example in which an uneven pattern is formed on the surface of each of the light-transmitting substrate and the reflective polarizing plate, and the side facing the solar cell 17 of the reflective polarizing plate. The difference is that a concavo-convex pattern is formed on the surface.
- a lattice-shaped uneven pattern 18 A is formed on the surface of the light-transmitting substrate 26 on the viewing side, and the solar panel of the reflective polarizing plate 41 is formed.
- a circular or spiral pattern 43 is formed on the surface facing the cell 17 by transferring it from a mold.
- the light transmitting substrate blank material and the reflective polarizing plate blank material are bonded and fixed to the entire surface with a fixing member 19b made of an adhesive, and then integrated.
- Convex and concave patterns 18A and 43 are simultaneously formed on the surfaces of the transparent substrate blank material and the reflective polarizing plate blank material, which are then punched into a display plate shape and integrated into an integrated light transmitting substrate. 26 and reflective polarizing plate 41.
- the reflective polarizing plate 41 integrated with the light-transmitting substrate 26 and the solar cell 17 are fixed to each other by a fixing member 19 such as an adhesive or an adhesive, as shown in FIG. As shown in FIG. 5, the display board of this embodiment is formed.
- Example 11 Others are the same as those of Example 11, and the light transmission and reflection of the reflective polarizing plate 41 of this example are similar to those of Example 11. The effect of reflection is the same as that of the reflective polarizing plate 11 described in Example 8 above.
- the circular or spiral pattern 43 formed on the surface of the reflective polarizing plate 41 facing the solar cell 17 has a triangular cross-sectional shape.
- the angle of the triangle is formed in the range of 75 to 100 degrees for both the concave and convex portions.
- the height h is set to 10 to 20 111, and the pitch p is set to about 100 m. It is preferable that the height and pitch be formed so that the mold can be easily processed and is visible. Note that the light-transmitting substrate 26 is the same as that of Example 11, and thus the description thereof is omitted.
- a lattice-shaped uneven pattern 18A is formed on a light-transmitting substrate 26, and a circle-shaped or spiral-shaped uneven pattern 43 is formed on a reflective polarizing plate 41.
- the patterns formed on the two are different from each other, other uneven patterns can be formed.
- the display panel of this example has the uneven pattern 18A by forming different uneven patterns 18A and 43 on the light-transmitting substrate 26 and the reflective polarizing plate 41, respectively. , 43
- the uneven patterns 18A and 43 also have an action of refracting and scattering the reflected light.
- the reflected light of the reflective polarizing plate 41 expresses a complex pattern in which two patterns are combined with a bright metallic color feeling.
- the concave and convex pattern 43 of the reflective polarizing plate 41 is visually recognized through the transparent layer of the light-transmitting substrate 26, so that a three-dimensional expression with a depth can be achieved in a painting style. Also, the crosshair and dark purple color of a solar cell are completely erased and are no longer visible.
- FIG. 21 is a cross-sectional view showing the display panel of Example 12.
- the order of lamination of the light-transmitting substrate and the reflective polarizing plate is different from that of the above-described display panels of Examples 8 to 11, and the others are the same.
- the display board of this example includes a solar cell 17, a reflective polarizing plate 11 provided on the viewing side of the solar cell 17, a solar cell 17, and a reflective polarizing plate 11. And a light-transmitting substrate 36 disposed between them.
- a concavo-convex pattern 13 having a stripe shape is formed, and a time character 15, a mark, and the like are further attached.
- a circular or spiral pattern 27 is formed on the surface of the light-transmitting substrate 36 facing the solar cell 17.
- the concavo-convex patterns 13, 28 are both formed by transferring from a mold. Also
- a fixing member 19b such as an adhesive or an adhesive.
- a fixing member 19 such as an adhesive or an adhesive.
- a light transmitting substrate blank material and a reflective polarizing plate blank material are used.
- the concave and convex patterns 27 and 13 are simultaneously formed on the respective surfaces of the integrated light-transmitting substrate blank and reflective polarizing plate blank. After that, it is punched into a display plate shape to obtain an integrated reflective polarizing plate 11 and light transmissive substrate 36.
- the light-transmitting substrate 36 integrated with the reflective polarizing plate 11 and the solar cell 17 are fixed to each other at the outer periphery with a fixing member 19 such as an adhesive or an adhesive. As shown in FIG. 4, the display board of this embodiment is formed.
- the circular or spiral pattern 27 formed on the surface of the light-transmitting substrate 36 on the side facing the solar cell 17 has a triangular cross-sectional shape. Form in a pattern or spiral pattern.
- the angle of the triangle is formed in the range of 75 to 100 degrees for both the concave and convex portions.
- the height h is 10-20 mm 111
- the pitch p is about 100 mm.
- the height and the pitch be formed so that the mold can be easily processed and is visible.
- the light-transmitting substrate 36 is different from the light-transmitting substrate 16A of Example 8 in that an uneven pattern 27 is formed on the surface, and the others are the same.
- the reflective polarizing plate 11 is the same as that in Example 8, and therefore the description thereof is omitted.
- a lattice-shaped uneven pattern 27 is formed on the reflective polarizing plate 11.
- the light-transmitting substrate 36 is formed with a concavo-convex pattern of a circle pattern or a spiral pattern, if the patterns formed on the two are different from each other, other concavo-convex patterns are formed. May be.
- the display panel of this example has the uneven pattern 13 by forming different uneven patterns 13 and 28 on the reflective polarizing plate 11 and the light-transmitting substrate 36, respectively. , 28 can be seen overlapping.
- FIG. 22 is a cross-sectional view showing the display panel of Example 13.
- the display panel of this example includes a solar cell 17, a reflective polarizing plate 21 provided on the viewing side of the solar cell 17, a solar cell 17, and a reflective polarizing plate 21. And a light-transmitting substrate 16A disposed between them. Further, a textured uneven pattern 23 is provided on the surface of the reflective polarizing plate 21 on the side facing the light-transmitting substrate 16A.
- the light-transmitting substrate 16A is the same as that of the above-described Example 8, and thus detailed description thereof is omitted.
- a diffusion layer 12 is provided on the surface of the light-transmitting substrate 16A on the side facing the solar cell 17.
- the light-transmitting substrate 16A, the reflective polarizing plate 21, and the solar cell 17 are laminated and held without using a fixing member, and are held by a watch inner frame or the like.
- the textured uneven pattern 23 provided on the reflective polarizing plate 21 can adjust the metallic color and whiteness of the display plate by changing the size of the unevenness.
- the reflective polarizing plate 21 is the same as that in Example 10 described above, and therefore, detailed description thereof is omitted.
- the diffusion layer 12 is a mixture of a pressure-sensitive adhesive, adhesive, resin (transparent ink, transparent paint), etc., with a diffusion agent having a function of diffusing incident light. Powder Silica, glass, resin, etc. can be used.
- the display panel of this example completely erases the color of the solar cell 17, and the whiteness is further increased, the whiteness is emphasized, and the Asahi light weight is clearly visible. As a result, a high-quality display board can be obtained. In addition, the crosshairs and dark purple of the solar cell are completely erased and cannot be seen.
- FIG. 23 shows the display panel of Example 14, which is an example in which an uneven pattern is formed on the reflective polarizing plate and a light-transmitting colored layer is provided.
- the display board of this example includes a solar cell 17, a reflective polarizing plate 31 provided on the viewing side of the solar cell 17, a solar cell 17, and a reflective polarizing plate 31. And a light transmissive substrate 46 disposed between them.
- a lattice-shaped uneven pattern 33 is formed on the surface of the reflective polarizing plate 31 on the viewing side.
- the light-transmitting colored layer 24 is provided on the surface of the uneven pattern 33.
- the reflective polarizing plate 31 and the lattice-shaped uneven pattern 33 are the same as in Example 11, detailed description thereof is omitted.
- the reflection type polarizing plate 31 and the light transmissive substrate 46 are fixed to each other by a fixing member 19a such as an adhesive or an adhesive.
- the outer peripheral portions of the light transmissive substrate 46 and the solar cell 17 are fixed by a fixing member 19 such as an adhesive or an adhesive.
- the light-transmitting colored layer 24 is formed by mixing copper metal powder with a transparent urethane resin to form an ink and forming it on the surface of the lattice-shaped uneven pattern 33 of the reflective polarizing plate 31 by a printing method. is doing.
- an uneven pattern 38 that is a prism reflecting surface is formed on the surface of the light-transmitting substrate 46 facing the solar cell 17.
- the light-transmitting substrate 46 is formed by injection molding. At that time, the uneven pattern 38 which is the prism reflecting surface is also transferred from the mold and simultaneously formed.
- the uneven pattern 38 which is the reflecting surface of the prism, has a triangular prism shape.
- the angle of the triangle is within the range of 75 to 100 degrees for both the concave and convex portions. Also, The height h is 15 to 100 mm, and the pitch p is about 150 mm.
- the light reflected by the uneven pattern 38, which is the prism reflection surface of the light-transmitting substrate 46, or the reflected light from the solar cell 17 is transmitted through the uneven pattern 38, which is the prism reflection surface. Since the prism reflection surface is formed in a circle or spiral, the reflected light does not reflect in a uniform direction, but becomes reflected light scattered and scattered in all directions. The light passes through the plate 31 and is emitted outside.
- the light-transmitting substrate 46 is different from the light-transmitting substrate 16A of Example 8 in that the concave-convex pattern 38 that is a prism reflecting surface is formed on the surface, and the others are the same. is there.
- the display plate of this example includes the reflected light of the reflective polarizing plate 31 and the reflected light of the uneven pattern 38 which is the prism reflecting surface of the light transmissive substrate 46, and the light transmissive colored layer. With the color of 24, it is finished so that a golden feeling appears as a whole.
- the lattice-shaped uneven pattern 33 of the reflective polarizing plate 31 can be clearly seen from the viewing side. Further, the lattice-like uneven pattern 33 also has an action of refracting and scattering reflected light from below.
- the lattice-like uneven pattern 33 and the golden feeling are brightly and clearly visible.
- FIG. 24 is a cross-sectional view showing another example of the display panel of Example 14. In FIG. 24
- the display panel of this example was formed on the surface of the reflective polarizing plate 51 on the viewing side.
- a concavo-convex pattern 53 made of a stone pattern is formed, and a light-transmitting colored layer 34 is provided on the surface of the concavo-convex pattern 53. The rest is the same.
- the uneven pattern 53 made of a stone pattern of the reflective polarizing plate 51 is formed by transferring from a mold, and the width and depth values of the uneven pattern 53 are particularly limited. It ’s not something, It is preferable to set in the range of 10-25111.
- the light transmission and reflection actions of the reflective polarizing plate 51 of this example are the same as those of the reflective polarizing plate 11 described in Example 8 above.
- the light-transmitting substrate 46 is provided with a concavo-convex pattern 38 which is a prism reflection surface on the surface facing the solar cell 17.
- Example 14 Since this is the same as Example 14, the description thereof is omitted.
- the light-transmitting colored layer 34 is coated with a transparent blue paint so that the concave portions of the concave-convex pattern 53 made of a stone pattern of the reflective polarizing plate 51 are completely filled. A thick coating layer is formed, and then the surface of the thick coating layer is polished to form a smooth surface.
- the uneven pattern 53 made of a blue stone pattern can be clearly seen from the viewing side.
- the blue stone pattern appears brightly and clearly due to the reflective action of the uneven pattern 38, which is the prism reflecting surface of the light-transmitting substrate 46, and the dark purple and cross of the solar cell 17 The line is completely erased and is not visible.
- FIG. 25 is a cross-sectional view showing another example of the display panel of Example 15. In FIG.
- the display board of this example is the same as that of Example 12 except that a thin metal plate with a large number of small holes is provided as a light-transmitting substrate. .
- the display panel of this example includes the solar cell 17, the reflective polarizing plate 11 provided on the viewing side of the solar cell 17, the solar cell 17, the reflective polarizing plate 11, And a light-transmitting substrate 56 disposed between the two. Since the reflective polarizing plate 11 is the same as that of Example 12, the description thereof is omitted.
- the light-transmitting substrate 56 is made of a thin metal plate, and a plurality of small holes 56a penetrating the metal plate are formed.
- the hole diameter of the small hole 56a is 5 to 30 111 and can be recognized visually.
- the small hole 56a has a uniform density, and the total area occupied by the small holes 56a is within a range of 20 to 50% of the area where the display board can be seen from the surface (within the parting). .
- the shape of the small hole 56a may be a round hole, a square hole, or a long hole shape, and the shape is not particularly limited.
- a pattern 56b is formed on the surface of the light transmitting substrate 56 made of the thin metal plate on the side facing the reflective polarizing plate 11.
- the pattern 56b can form various patterns such as an Asahikari pattern, a stripe pattern, a radial pattern, and a lattice pattern.
- a radial pattern was formed from the central hole.
- the thickness of the light-transmitting substrate 56 is not particularly limited as long as the pattern 56b is sufficiently thick.
- the metal plate having the small holes 56a was made of a metal material such as nickel (Ni) or copper (Cu), and was manufactured by an electroforming method (electroplating method). Thereafter, a pattern 56b was formed on the surface of the metal plate by a mechanical processing method to obtain a light-transmitting substrate 56.
- the entire surface of the light transmissive substrate 56 is fixed to the reflective polarizing plate 11 via a fixing member 19b such as an adhesive or an adhesive. Further, the outer peripheral portion of the light transmissive substrate 56 and the solar cell 17 is fixed by a fixing member 19 such as an adhesive or an adhesive.
- the small hole 56a of the light-transmitting substrate 56 is 5 to 30 ⁇ m, the small hole is not visible, and light can be transmitted through the invisible small hole 56a. It can fulfill the power generation function of the cell.
- the amount of transmitted light can be adjusted by changing the formation density of the small holes 56a.
- the display panel of this example is provided with the uneven pattern 13 by forming different uneven patterns 13 and 56b on the reflective polarizing plate 11 and the light-transmitting substrate 56, respectively. , 56b is visible.
- FIG. 26 is a cross-sectional view showing another example of the display panel of Example 16. In FIG.
- the display plate of this example is the same as that of Example 8 except that a retardation plate is provided as a light-transmitting substrate.
- the display board of this example includes a solar cell 17, a reflective polarizing plate 11 provided on the viewing side of the solar cell 17, a solar cell 17, and a reflective polarizing plate 11. And a light-transmitting substrate 66 made of a phase difference plate.
- the light reflected from the surface of the solar cell is reflected by arranging the reflective polarizing plate and the retardation plate in the order of the incident direction of the light, thereby crossing the solar cell. Or dark purple. Since the reflective polarizing plate 11 is the same as that of Example 12, the description thereof is omitted.
- the easy transmission axis of the reflective polarizing plate 11 and the retardation axis of the retardation plate as the light transmissive substrate 66 are arranged to form 45 °.
- the retardation plate functions as a 1/4 ⁇ plate
- the reflective polarizing plate 11 and the light transmissive substrate 66 are combined to function as a circularly polarizing plate.
- the linearly polarized light that has passed through the reflective polarizing plate 11 passes through the light-transmitting substrate 66 (1/4 ⁇ plate), and is converted from linearly polarized light to circularly polarized light.
- the circularly polarized light is reflected by the surface of the solar cell 17, is now rotated in the reverse direction with respect to the traveling direction, and is incident on the light transmissive substrate 66 (1/4 ⁇ plate) again.
- the light is converted into light having a vibration plane perpendicular to that incident on the outgoing light transmissive substrate 66 (1/4 ⁇ plate), and the light is easily transmitted through the reflective polarizing plate 11. Therefore, the light is reflected by the reflective polarizing plate 11 and cannot pass, and as a result, the reflected light is blocked.
- the uneven pattern 13 of the reflective polarizing plate 11 is visually recognized with a bright metallic color feeling.
- the range of design of the display board is widened, and a high-quality appearance can be obtained as a product.
- the light reflected on the surface of the solar cell 17 passes through the light-transmitting substrate 66 (1/4 ⁇ plate) and then is reflected and blocked by the reflective polarizing plate 11.
- Crosshair or dark Purple is no longer visible.
- the light-transmitting colored layer or the diffusion layer has been described in the example provided on one surface of the reflective polarizing plate or the light-transmitting substrate, but may be provided on both surfaces.
- the light-transmitting substrate may contain at least one of a colorant and a diffusing agent, and the light-transmitting colored layer or the diffusion layer may be provided.
- the display panels of Examples 17 to 27 below include a solar cell, a light transmissive substrate provided on the viewing side of the solar cell, and a plurality of reflective polarizing plates.
- a concavo-convex pattern By forming a concavo-convex pattern on the surface of at least one reflective polarizing plate among the reflective polarizing plates, a sufficient amount of light is supplied to the solar cell for power generation. This makes it possible to display a three-dimensional concavo-convex pattern with a depth, making the display board excellent in decorativeness.
- the transparent substrate can be made of a transparent resin material, an inorganic material such as glass, sapphire, or ceramics, or a semi-transparent color material. I'll do it.
- a display panel having clear colors and high-quality whiteness can be realized. it can.
- the same effect can be obtained by adding a colorant or a diffusing agent to the light-transmitting substrate. Furthermore, by arranging the reflection easy polarizing axes of the plurality of reflective polarizing plates to be different from each other, the amount of light supplied to the solar cell can be easily adjusted. is there.
- the light-transmitting substrate can be disposed on the lower layer, the upper layer, or between the two reflective polarizing plates facing each other.
- Examples 17 to 20 are examples in which a light-transmitting substrate is disposed between two reflective polarizing plates facing each other.
- a prismatic uneven pattern is formed on the light-transmitting substrate, and this reaction is performed.
- a display panel having a vivid color with a metallic color or brightness can be realized by irradiation.
- a display plate having a desired color can be realized by using a retardation plate as the light-transmitting substrate.
- Examples 21 to 23 are examples in which a light-transmitting substrate is disposed under a plurality of reflective polarizing plates, that is, between a plurality of reflective polarizing plates and a solar cell. is there.
- a prismatic uneven pattern is formed on the light-transmitting substrate, and a display plate having a clear color with a metallic color or brightness can be realized by the reflected light.
- a display plate having a clear color can be realized by using an adhesive containing a base material as a fixing member for fixing the reflective polarizing plates to each other.
- Examples 24 to 27 are examples in which a light-transmitting substrate is arranged on the upper layer of a plurality of reflective polarizing plates, that is, on the most visible side.
- the uneven pattern of the reflective polarizing plate through the light-transmitting substrate can be visually recognized, and a three-dimensional expression with depth can be achieved.
- a display plate having a clear color can be realized by using an adhesive containing a base material as a fixing member for fixing the reflective polarizing plates to each other.
- FIG. 27 shows a display panel of Example 17, FIG. 27 (a) is a plan view, and FIG. 27 (b) is an AA sectional view of FIG. 27 (a).
- FIG. 28 is an optical path diagram of the display panel, and FIG. 29 is a perspective view showing the first and second reflective polarizing plates.
- the display board of Example 17 includes the solar cell 17, the first and second reflective polarizing plates 11A and 11B provided on the viewing side of the solar cell 17, and the first A light transmissive substrate 16 disposed between the reflective polarizing plate 11A and the second reflective polarizing plate 11B.
- the first reflective polarizing plate 11A is disposed on the most visible side, and the second reflective polarizing plate 11B is disposed on the side facing the solar cell 17.
- a concavo-convex pattern 13 having a stripe shape is formed, and a time character 15, a mark, and the like are further attached.
- No pattern is formed on the second reflective polarizing plate 11B, and both the front and back surfaces are flat. Smoothly finished.
- a circular or spiral prismatic pattern 18 is formed on the surface of the light transmissive substrate 16 on the side facing the second reflective polarizing plate.
- the reflective polarizing plate 11 and the light transmissive substrate 16 are fixed to each other on the entire surface by a fixing member 19b made of a transparent adhesive material or an adhesive.
- the outer peripheral portions of the reflective polarizing plate 11B are fixed by a fixing member 19a such as an adhesive or an adhesive.
- the second reflective polarizing plate 11B and the solar cell 17 are fixed to each other at the outer periphery by a fixing member 19 such as an adhesive or an adhesive.
- the first and second reflective polarizing plates 11A and 11B, the light-transmitting substrate 16, and the solar cell 17 are
- the first and second reflective polarizing plates 11A and 11B and the light-transmitting substrate 16 can be fixed by thermocompression bonding.
- the light-transmitting substrate 16 is made of transparent polycarbonate resin, acrylic resin, or the like, and the surface facing the first reflective polarizing plate 11A has a smooth finish, so that the second reflective type A circular or spiral prismatic pattern 18 is formed on the surface facing the polarizing plate 11B.
- the thickness of the light-transmitting substrate 16 is 200 forces, preferably about 700 m, and is preferably 500 m in this embodiment.
- the light-transmitting substrate 16 is formed by injection molding. At this time, the uneven pattern 18 which is the prism reflection surface is also transferred from the mold and simultaneously formed.
- the concave / convex pattern 18 serving as the prism reflecting surface has a triangular prism shape, and is formed in a circle pattern or a spiral pattern.
- the angle of the triangle is formed in the range of 75 to 100 degrees for both the concave and convex portions.
- the height h is 15 to 100 mm
- the pitch p is about 150 mm.
- the height and the pitch be formed so that the mold can be easily processed and is visible.
- the second reflection type polarizing plate 1 The light reflected from the IB and the solar cell 17 and transmitted through the concave / convex pattern 18 which is the prism reflection surface has the prism reflection surface formed in a circle shape or a spiral shape. Therefore, it does not reflect in a uniform direction, but becomes reflected light scattered and scattered in all directions, and is transmitted through the first reflective polarizing plate 11A and emitted outside.
- the reflective polarizing plate substrate as the material of the first and second reflective polarizing plates 11A and 1IB is composed of two or more layers of two types of films having different polarizabilities as in Example 1.
- a product name “DBEF-E” manufactured by Sumitomo 3M Co. is used, which is the same as that in Embodiment 1, and therefore detailed description thereof is omitted.
- a striped uneven pattern 13 was formed on the surface of the reflective polarizing plate substrate 10, and then punched into a display plate shape.
- the first reflective polarizing plate shown in FIG. The light plate is 11 A.
- the second reflective polarizing plate 11B is the same except that the pattern is formed!
- the first and second reflective polarizing plates 11A and 11B each have a light reflection axis and an easy light transmission axis.
- the light transmission easy axes l la and 12a and the light reflection axes 1 lb and 12b of the first and second reflective polarizing plates 11A and 11B are arranged in different directions! /, The
- the value of the crossing angle s is preferably set in the range of 5 to 45 degrees because it is necessary to secure the amount of light transmitted through the two reflective polarizing plates.
- the value of the crossing angle s was set to about 20 degrees.
- the shapes of the first and second reflective polarizing plates 11A and 1IB are circular, but in FIG. 29, for the sake of easy understanding, the shape is drawn in a quadrilateral shape.
- the stripe-shaped uneven pattern 13 formed on the surface of the first reflective polarizing plate 11A is formed by engraving by machining such as cutting.
- the stripe-like concave / convex pattern 13 is formed in such a size that the depth and width of the concave portion and the width of the convex portion are visually recognizable, and the pattern can be visually recognized from the upper surface side.
- the value of the width b of the concavo-convex pattern 13 formed by this cutting is not particularly limited, and is preferably set in the range of force S, 40-60111. Further, the value of the pattern depth d can be set as appropriate, but is preferably set in the range of 10 to 20111.
- the uneven pattern 13 of this embodiment may be formed in another shape having a force unevenness formed in a stripe shape.
- various patterns such as circles, swirls, satin patterns, lattice patterns, almost pyramid patterns, geometric patterns, stitch patterns, stone-tone patterns, grain patterns, ripple patterns, Asahi light texture, etc. You can choose according to the design.
- the striped uneven pattern 13 was formed by machining such as cutting.
- various processing methods such as thermal transfer processing, press processing, and sand blast processing can be used depending on the pattern to be selected.
- the cross-sectional shape of the uneven pattern can be selected as appropriate, such as a V shape, a U shape, or a square shape.
- the first reflective polarizing plate 11A and the light-transmitting substrate 16 processed as described above are fixed on the entire surface with a fixing member 19b made of a transparent adhesive or adhesive.
- the first reflective polarizing plate 11 A is disposed and fixed so that the smooth surface of the first reflective polarizing plate 11 A faces the smooth surface of the light-transmitting substrate 16. After that, the prismatic pattern 18 of the light transmissive substrate 16 is formed.
- a fixing member 19a such as an adhesive or an adhesive at the outer periphery of each other.
- the first and second reflective polarizing plates 11A and 11B integrated with the light-transmitting substrate 16 and the solar cell 17 are fixed to each other at the outer periphery with an adhesive or an adhesive.
- the display panel of this example was formed as shown in FIG.
- FIG. 28 Next, the operation of the first and second reflective polarizing plates 11A and 11B will be described with reference to FIGS. 28 and 29.
- FIG. 28 the operation of the first and second reflective polarizing plates 11A and 11B will be described with reference to FIGS. 28 and 29.
- the light of the linearly polarized light component having the vibration plane parallel to the optical reflection axis 1 lb of the first reflective polarizing plate 11A is the first Is reflected from the reflective polarizing plate 11A and is radiated to the outside as reflected light P2.
- the light kl of the linearly polarized light component having the vibration plane parallel to the light transmission easy axis 11a of the first reflective polarizing plate 11A is transmitted through the first reflective polarizing plate 11A and is light transmissive. Incident on the substrate 16.
- the light kl incident on the light transmissive substrate 16 is refracted in the light transmissive substrate 16, passes through the light transmissive substrate 16, and enters the second reflective polarizing plate 11B.
- the linearly polarized light component nl having a vibration plane parallel to the optical reflection axis 12b of the second reflective polarizing plate 11B is Reflected from the reflective polarizing plate 11B of the light, passes through the light transmissive substrate 16 and the first reflective polarizing plate 11A, and reflects the reflected light P.
- the light transmission easy axis 12a of the second reflective polarizing plate 11B is arranged to be different from the light transmission easy axis of the first reflective polarizing plate 11A.
- the amount of light incident on is adjusted so as to have a desired size.
- the light incident on the solar cell 17 is divided into light absorbed therein and light reflected therefrom.
- the light reflected from the solar cell 17 is reflected by the second reflective polarizing plate 11
- the linearly polarized light n2 having a vibration plane parallel to the light reflection axis 12b of the second reflective polarizing plate 11B is reflected from the second reflective polarizing plate 11B and reflected light P5 It will return to the solar cell 17 side.
- the amount of light incident on the first reflective polarizing plate 11A and reflected from the solar cell 17 and returning to the first reflective polarizing plate 11A becomes very small.
- the uneven pattern 13 is formed on the surface of the first reflective polarizing plate 11A, the reflected light on the surface of the first reflective polarizing plate 11A has a uniform direction. Instead of being reflected, it is reflected and scattered in all directions and radiated outside.
- the reflected light reflected by the solar cell 17 and transmitted through the second reflective polarizing plate 11B and the light-transmitting substrate 16 is a concavo-convex shape that is a prism reflecting surface on the surface of the light-transmitting substrate 16.
- the first and second reflective polarizing plates 11A and 1IB are provided on the viewing side of the solar cell 17, and the first reflective polarizing plate is provided.
- a light-transmitting substrate 16 is disposed between 11A and the second reflective polarizing plate 11B, a stripe-shaped uneven pattern 13 is provided on the first reflective polarizing plate 11A, and a prism is provided on the light-transmitting substrate 16.
- the solar cell 17 is arranged by arranging the light transmission easy axes 1la and 12a of the first and second reflective polarizing plates 11A and 1IB to be different from each other.
- the amount of light supplied to the battery can be adjusted easily and easily, and the manufacturing cost can be reduced.
- FIG. 30 is a schematic sectional view showing the display panel of Example 18. As shown in FIG.
- the display board of this example includes the solar cell 17, the first and second reflective polarizing plates 11A and 11B provided on the viewing side of the solar cell 17, and the first A light transmissive substrate 26 disposed between the reflective polarizing plate 11A and the second reflective polarizing plate 11B! /,
- a light-transmitting colored layer 14 is provided on the surface on the viewing side where the stripe-shaped uneven pattern 13 of the first reflective polarizing plate 11A is formed, and the second reflective polarizing plate A diffusion layer 24A is provided on the surface of the plate 11B on the side facing the solar cell 17.
- the light-transmitting substrate 26 has a smooth flat surface on both sides, and the first and second reflections.
- the mold polarizing plates 11 A and 11 B and the light transmissive substrate 26 are thermocompression bonded to each other over the entire surface. The other points are the same as in Example 17.
- a light transmissive substrate blank material is laminated between two reflective polarizing plate base materials, and the light transmissive substrate blank material and two reflective types are arranged.
- the polarizing plate base material is fixed and integrated by thermocompression bonding.
- a striped uneven pattern 13 is formed on the surface of the integrated first reflective polarizing plate base material, and then punched into a display plate shape to integrate the first first Second reflective polarizing plates 11 A and 11 B and a light transmissive substrate 26 were formed.
- the first reflective polarizing plate 11A, the light-transmitting substrate 26 and the second reflective polarizing plate 11B, and the thermocompressed region 20 of the light-transmitting substrate 26 are easy to understand.
- the integrated second reflective polarizing plate 11B is fixed to the solar cell 17 and the fixing member 19 such as an adhesive or adhesive at the outer periphery of each other.
- the display panel of this example was formed.
- the light-transmitting colored layer 14 provided on the surface of the concavo-convex pattern 13 of the first reflective polarizing plate 11A is formed by mixing a white pigment with a resin and printing.
- the reason why the white pigment is used is to give the display board a white feeling. When the film thickness is increased, the whiteness is generated and the power transmittance is deteriorated.
- the film thickness is about 7 to 10 m, and the transmittance is reduced by about 10%.
- the diffusion layer 24A provided on the surface of the second reflective polarizing plate 11B is a diffusion having a function of diffusing incident light into an adhesive, an adhesive, a resin (transparent ink, transparent paint), or the like.
- the material of the diffusing agent is granular, powdery, scale-like, needle-like silica, glass, etc. Resin, resin, etc. can be used.
- the value of the crossing angle s between the light transmission easy axes lla and 12a of the first and second reflective polarizing plates 11A and 1IB was set to about 15 degrees.
- Other constituent members are the same as those in the embodiment 17, and the description thereof is omitted.
- FIG. 31 is a cross-sectional view showing the display panel of Example 19.
- the display board of this example includes the solar cell 17, the first and second reflective polarizing plates 21, 11B provided on the viewing side of the solar cell 17, and the first Reflection type polarizing plate
- a textured uneven pattern 23 is formed on the surface of the first reflective polarizing plate 21 on the viewing side, and a stripe-like pattern is formed on the surface facing the light-transmitting substrate. An uneven pattern 13 is formed.
- the first and second reflective polarizing plates 21 and 11B, the light-transmitting substrate 16, and the solar cell 17 are laminated without using a fixing member, and are held by an inner frame for a watch or the like. ing.
- first and second reflective polarizing plates 21 and 11B of this example are the same as those of the first and second reflective polarizing plates described in Example 17 above. Same as 11A and 11B.
- the light-transmitting substrate 16 has a concavo-convex pattern 18 as a prism reflecting surface formed on the surface facing the second reflective polarizing plate 11B.
- the explanation is omitted because it is the same as the example. Others are the same as Example 17, and description is abbreviate
- the textured uneven pattern 23 provided on the reflective polarizing plate 21 of this example is the same as that of Example 2. Similar to the reflective polarizing plate 11 of FIG. 11, the metallic color and whiteness of the display panel can be adjusted by changing the size of the unevenness. Therefore, detailed description thereof is omitted.
- the size of the unevenness was set to # 600 roughness.
- the sand blasting method in which sand is sprayed at a high pressure is generally used, and the particle size of the sand used is large. You can select the roughness of the satin pattern by adjusting the thickness
- the light of the first reflective polarizing plate 21 is reflected by the reflected light of the uneven pattern 18 which is the prism reflection surface of the light-transmitting substrate 16.
- the striped uneven pattern 13 formed on the surface on the side facing the transmissive substrate is visible brightly and clearly.
- the amount of transmitted light is secured in consideration of the fact that a textured uneven pattern 23 is formed on the surface on the viewing side of the first reflective polarizing plate 21. Therefore, the value of the crossing angle of the easy light transmission axes of the first and second reflective polarizing plates 21 and 12 was set to about 15 degrees.
- the display panel of Example 20 is an example in which a retardation plate is disposed as a light transmissive substrate.
- FIG. 32 is a cross-sectional view showing the display plate of Example 20
- FIG. 33 is a plan view showing the arrangement of optical axes of the first and second reflective polarizing plates and the retardation plate of Example 20.
- FIG. 34 and FIG. 34 are diagrams showing the relationship between the arrangement of the first and second reflective polarizing plates and the retardation plate of Example 20 and the display color of the display plate.
- the display board of this example includes the solar cell 17 and the solar cell.
- the first and second reflective polarizing plates 11A and 11B provided on the viewing side of the light 17 and the light transmissive property disposed between the first reflective polarizing plate 11A and the second reflective polarizing plate 11B.
- a phase difference plate as a substrate 36.
- the reflective polarizing plate 11 and the light transmissive substrate (retardation plate) 36 are fixed to each other by a fixing member 19b made of a transparent adhesive or adhesive, and transmit light.
- Phase difference plate 36 and second reflective polarizing plate 11B are fixed to each other by a fixing member 19b such as an adhesive or an adhesive on the entire surface.
- the second reflective polarizing plate 11B and the solar cell 17 have their outer peripheral parts fixed by a fixing member 19 such as an adhesive or an adhesive.
- first and second reflective polarizing plates 11A and 11B are the same as in Example 17, the force to omit the description
- the first and second reflective polarizing plates 11A and 11B Optical axis (light transmission easy axis
- light transmission substrate phase difference plate
- optical axis fast axis or slow axis
- FIG. 33 shows the light transmission easy axes 1 la and 12 a and the light reflection axes l lb and 12b of the first and second reflective polarizing plates 11A and 1IB of the display board, and the light transmissive substrate (position).
- the phase difference plate) 36 is a plan view schematically showing the slow axis 36a of the phase difference plate 36a.
- the slow axis 36a of the light transmitting substrate (retardation plate) 36 is obliquely intersected with respect to the reference line B at a predetermined inclination angle b.
- the light transmission easy axes l la and 12a of the reflective polarizing plates 11A and 11B are obliquely intersected with the reference line B at predetermined inclination angles a and c, respectively.
- the light transmission easy axes l la and 12a of the first and second reflective polarizing plates 11A and 11B are arranged so as to be substantially parallel or orthogonal to each other, and the first and second The light transmission easy axes l la and 12a of the reflection type polarizing plates 11A and 11B of 2 are shifted by 45 ° obliquely with respect to the slow axis 36a of the light transmitting substrate (phase difference plate) 36.
- the display plate of this example is obtained by obtaining a colored display color by the polarization action of the light transmitting substrate (retardation plate) 36.
- the light that is linearly polarized and transmitted by the first reflective polarizing plate 11A is a light-transmitting substrate (retardation plate) in which the slow axis 40a is shifted by approximately 45 ° with respect to the light transmission easy axis 11a.
- the light-transmitting substrate (retardation plate) 36 undergoes a polarization action corresponding to the value of Re and becomes elliptically polarized light.
- the colored light transmitted through the second reflective polarizing plate 11B is incident on the solar cell 17, and a part of the colored light is reflected, and the upper surface side of the display plate is reverse to the light path described above. However, since the amount of light is very small, this colored light is not visually recognized.
- the retardation Re of the light transmitting substrate (retardation plate) 36 is ⁇ n ⁇ d of the light transmitting substrate (retardation plate) 36 (the refractive index anisotropy ⁇ n and the plate thickness of the retardation plate). d product).
- FIG. 34 shows an example of the display color of the display board of this example.
- Fig. 34 (a) shows a light transmission substrate (retardation plate) 36.
- One of the two retardation plates of retardation Re having a value power of 620 ⁇ m and 380 nm is used. Is placed An example is shown.
- FIG. 34 (b) shows an example in which two retardation plates having retardation values Re of 620 nm and 380 nm are arranged.
- Fig. 34 (a) and Fig. 34 (b) indicate the arrangement angles of the optical axes of the first and second reflective polarizing plates and the retardation plate with respect to the reference line B in Fig. 33.
- a desired display color can be obtained by changing the arrangement angle and the value of the retardation Re.
- specific examples of display colors will be described with reference to FIGS. 33 and 34.
- Example 1 in FIG. 34 (a) shows that the light transmission axis is set to 0 ° with respect to the reference line B by setting the arrangement angle a of the light transmission easy axis 1 la of the first reflective polarizing plate 11A.
- a retardation plate having a retardation Re value of 620 nm is used as the substrate (retardation plate) 36, and the arrangement angle b of the slow axis 36a is set to 45 ° with respect to the reference line B.
- the display color of the display board is blue.
- Example 2 is a case where the value of the arrangement angle c of the light transmission easy axis 12a of the second reflective polarizing plate 11B is set to 90 °, and the display color is yellow.
- Examples 3 and 4 show an example in which a retardation plate with retardation value Re of 380 ⁇ m is used as the light-transmitting substrate (retardation plate) 36.
- the second reflective polarizing plate 1 IB light transmission axis 1 2a The display color changes from yellow to blue depending on the value of the arrangement angle c (0 ° or 90 °).
- Example 1 and Example 2 in Fig. 34 (b) show an example in which two retardation plates of retardation Re and S of 620 nm are arranged as the light-transmitting substrate (retardation plate) 36.
- the display color changes from green to red according to the value (0 ° or 90 °) of the arrangement angle c of the light transmission easy axis 12a of the second reflective polarizing plate 11B.
- Example 3 and Example 4 show an example in which two retardation plates having a retardation Re value of 380 nm are arranged as the light transmitting substrate (retardation plate) 36.
- the display color changes from green to red depending on the value (0 ° or 90 °) of the arrangement angle c of the light transmission easy axis 12a of the reflective polarizing plate 11B.
- Examples 5 and 6 show examples in which retardation plates having retardation Re of 620 nm and 380 nm are arranged as the light-transmitting substrate (retardation plate) 36.
- the display color is red, It changes to green.
- the value of the retardation Re, the first and second reflective polarizing plates or the optical axes of the light-transmitting substrate (retardation plate) 36 are arranged.
- the angle By setting the angle to a predetermined value, a display panel having a desired display color can be obtained.
- the display plate of this example has the first reflective polarizing plate 11A, the light transmissive substrate (retardation plate) 36, and the second reflective polarized light with respect to the incident direction of light.
- each of the first and second reflective polarizing plates 11A and 1IB has a transmission easy axis l la, 12a, a light transmitting substrate ( The retardation axis 36a of the retardation plate 36a is arranged at a predetermined angle.
- the light that has passed through the first reflective polarizing plate 11 A and the light transmitting substrate (retardation plate) 36 and has entered the second reflective polarizing plate 11 B is converted into the second reflective polarizing plate 11 B.
- the light is reflected by the reflective polarizing plate 11B, and the reflected light is emitted to the upper surface side of the first reflective polarizing plate 11A through a path opposite to the optical path described above. Display color can be obtained.
- the number of light-transmitting substrates is arbitrary. Furthermore, the arrangement of the optical axes of the first and second reflective polarizing plates and the optical axis of the light transmitting substrate (retardation plate) is not limited to the example shown in FIG. 34, and can be arbitrarily set. it can.
- the display panel of Example 21 obtains a desired display color on the display board by interposing a base material-containing adhesive having a predetermined thickness between the first and second reflective polarizing plates arranged opposite to each other. This is an example.
- FIG. 35 shows the display panel of Example 21, FIG. 35 (a) is a schematic cross-sectional view, and FIG. 35 (b) is a diagram of the first reflective polarizing plate and the second reflective polarizing plate.
- FIG. 35 (c) is a cross-sectional view of a transparent adhesive material with a substrate interposed therebetween, and FIG. 35 (c) is a sectional view of the adhesive material with a substrate.
- FIG. 36 is a diagram showing the relationship between the arrangement of the first and second reflective polarizing plates and the base material-containing adhesive in Example 21 and the display color of the display plate.
- the display panel of this example includes a solar cell 17, first and second reflective polarizing plates 11A, 11B provided on the viewing side of the solar cell 17, And a light transmissive substrate 16 disposed between the two reflective polarizing plates 11 B and the solar cell 17.
- the first reflective polarizing plate 11A is arranged on the most visible side, and a transparent substrate is inserted between the first reflective polarizing plate 11A and the second reflective polarizing plate 11B.
- the entire surface of the first and second reflective polarizing plates 11A and 1IB is fixed by a fixing member 19c made of an adhesive material with a base material interposed therebetween.
- the outer periphery of the second reflective polarizing plate 11B and the light transmissive substrate 16 are fixed by a fixing member 19a such as an adhesive or an adhesive.
- a fixing member 19 such as an adhesive or an adhesive.
- the value of the crossing angle s between the light transmission easy axes lla and 12a of the first and second reflective polarizing plates 11A and 1IB was set to about 20 degrees.
- the fixing member 19c made of the adhesive material with the base material two double-sided tapes (# 5603) 25 manufactured by Nitto Denko were laminated and arranged.
- the base material 25a is made of a transparent polyester film, and acrylic adhesive materials 25b and 25c having transparency are formed on both surfaces thereof.
- the value of the thickness f of the double-sided tape (# 5603) 25 is 30 am.
- FIG. 36 shows an example of the display color of the display board of this example.
- the numerical values in Fig. 36 represent the optical axis arrangement angle a of the first reflective polarizing plate with respect to the reference line B in Fig. 33 and the optical axis arrangement angle c of the second reflective polarizing plate, as shown in Fig. 35 (b).
- Double-sided tape (# 5603) The arrangement angle e with respect to the reference line B in the longitudinal direction indicated by the arrow a of 25 (not shown in FIG. 33).
- a specific example of the display color of the display panel will be described with reference to FIG.
- Examples 1 and 2 in FIG. 36 show the arrangement angles a and c of the light transmission easy axes 1 la and 12 a of the first and second reflective polarizing plates 11A and 1IB with respect to the reference line B.
- the arrangement angle e with respect to the reference line B in the longitudinal direction is set to 90 ° or 0 °
- the display colors of the display boards are all yellow.
- Examples 3 and 4 are the cases where the value of the arrangement angle c of the light transmission easy axis 12a of the second reflective polarizing plate 11B is set to 90 ° compared to Example 1 and Example 2.
- the display color is all blue.
- the first and second reflective polarizing plates 11A and 1IB have light transmission easy axes 1 la and 12a.
- the angles a and c are 0 ° with respect to the reference line B, respectively.
- the display color of the display board is all yellow.
- Examples 7 and 8 are the cases where the value of the arrangement angle c of the light transmission easy axis 12a of the second reflective polarizing plate 11B is set to 45 ° with respect to Examples 5 and 6, The display color is all blue.
- the value of the arrangement angle e in the longitudinal direction of the double-sided tape (# 5603) 25 and the arrangement angles a and c of the optical axes of the first and second reflective polarizing plates 11A and 1IB are predetermined. By setting this value, a display panel having a desired display color can be obtained.
- the display panel of this example has a double-sided tape (# 5603) as the fixing member 19c.
- ) 25 is used by laminating two layers, and interposing between the first and second reflective polarizers 11A and 11B, so that the boundary between the first and second reflective polarizers 11A and 1IB In this case, complicated refraction and reflection are repeated to obtain display colors colored in various colors.
- This display color is clearly recognized by the reflected light of the prismatic pattern 18 of the light-transmitting substrate 16.
- the force S described in the embodiment using two double-sided tapes (# 5603) is not limited to this number, and can be freely selected. Further, other transparent films may be used as the substrate.
- FIG. 37 is a schematic sectional view showing the display panel of Example 22.
- the display panel of this example includes a solar cell 17, first and second reflective polarizing plates 31, 22 provided on the viewing side of the solar cell 17, and a second Reflective polarizing plate 2
- first and second reflective polarizing plates 31 and 22, the light-transmitting substrate 16, and the solar cell 17 are stacked without using a fixing member, and are held by an inner frame for a watch or the like. Has been. Also, the 1st, 1st
- the value of the crossing angle s of the light transmission easy axes of the reflection type polarizing plates 31 and 22 of 2 was set to about 20 degrees.
- the first reflective polarizing plate 31 is arranged on the most visible side, and has a lattice-shaped uneven pattern 33 formed on the surface on the viewing side, and is further attached with time letters 15, marks, and the like. Yes.
- the second reflective polarizing plate 22 has the same concavo-convex pattern 43 formed on the surface facing the first reflective polarizing plate 31. These patterns are all formed by transferring from a mold.
- the light transmission and reflection actions of the first and second reflective polarizing plates 31 and 22 of this embodiment are basically the same as the first and second reflective types described in the above-described Embodiment 17.
- the surface of the light-transmitting substrate 16 facing the solar cell 17 has an uneven pattern 1
- the grid-like uneven pattern 33 of the first reflective polarizing plate 31 is formed such that the depth and width of the concave portion, the width of the convex portion, etc. are visible to the eye, and the upper surface side. The pattern is clearly visible from.
- the lattice-shaped uneven pattern 43 of the second reflective polarizing plate 22 is formed with the same size as the lattice-shaped uneven pattern 33 of the first reflective polarizing plate 31. ing.
- the concave portion 43a of the concave-convex pattern 43 of the second reflective polarizing plate 22 is arranged at a position corresponding to the convex portion 33a of the concave-convex pattern 33 of the first reflective polarizing plate 31.
- the first reflective polarizing plate 31 and the second reflective polarizing plate 22 are laminated.
- the value of the width b of the grid-like uneven pattern 33 of the first reflective polarizing plate 31 is not particularly limited, but is preferably set in the range of 40-60111. Also, the value of the pattern depth d can be set as appropriate, but it is preferable to set it within the range of 10-20 mm 111.
- the lattice-shaped uneven pattern 43 of the second reflective polarizing plate 22 is the same as the uneven pattern 33 of the first reflective polarizing plate 31 described above, and a description thereof will be omitted. .
- the depth of the lattice-like uneven pattern is emphasized, and the uneven pattern with a three-dimensional effect is visually recognized, so that a display panel with a higher-class feeling can be obtained.
- the reflected light of the second reflective polarizing plate 22 and the reflected light of the concavo-convex pattern 18 which is the prism reflecting surface of the light-transmitting substrate 16 are finished so that a metallic color sensation appears as a whole. ing.
- the dark purple color and crosshairs of the solar cell 17 are completely dissipated due to less reflected light from the solar cell 17 and scattering due to the uneven pattern 18 that is the prism reflection surface. It will never be seen after being erased.
- the display panel of this example has been described in the example in which the same lattice-shaped uneven pattern is formed on the first reflective polarizing plate 31 and the second reflective polarizing plate 22. Different patterns may be formed on the surfaces of the first reflective polarizer and the second reflective polarizer.
- FIG. 38 is a schematic sectional view showing the display panel of Example 23.
- FIG. 38 is a schematic sectional view showing the display panel of Example 23.
- the display panel of this example includes a solar cell 17, first and second reflective polarizing plates 41 and 12 provided on the viewing side of the solar cell 17, and a second The reflective polarizing plate 1 1B and the light transmissive substrate 16 disposed between the solar cell 17 and a light transmissive colored layer 34 on the surface of the first reflective polarizing plate 41 on the viewing side. Is provided.
- each of the first reflective polarizing plate 41, the second reflective polarizing plate 11B, and the light transmitting substrate 16 is fixed by a fixing member 19a such as an adhesive or an adhesive. ing.
- the outer peripheral portions of the light transmissive substrate 16 and the solar cell 17 are fixed by a fixing member 19 such as an adhesive or an adhesive.
- a fixing member 19 such as an adhesive or an adhesive.
- an uneven pattern 53 made of a stone pattern is formed on the surface on the viewing side of the first reflective polarizing plate 41.
- the light-transmitting colored layer 34 is provided on the surface of the uneven pattern 53.
- a time character 15, a mark, and the like are provided via a light-transmitting colored layer 34.
- the uneven pattern 53 made of a stone pattern of the first reflective polarizing plate 41 is formed by transferring from a mold, and the width and depth values of the uneven pattern 53 are particularly limited. It is preferable that the force S is set in the range of 10-25111.
- the second reflective polarizing plate 11B has a flat plate shape, which is the same as in Example 17.
- the light-transmitting substrate 16 is provided with an uneven pattern 18 which is a prism reflecting surface on the surface facing the solar cell 17 and is the same as that of Example 17, and thus the description thereof is omitted.
- the light-transmitting colored layer 34 is coated with a transparent blue paint so that the concave portions of the concave-convex pattern 53 made of the stone pattern of the first reflective polarizing plate 41 are completely filled. A thick coating layer is formed, and then the surface of the thick coating layer is polished to form a smooth surface.
- the reflected light of the first reflective polarizing plate 41, the blue color of the light-transmitting colored layer 34, and the uneven pattern 18 that is the prism reflecting surface of the light-transmitting substrate 16 are reflected. Due to the action, the blue stone pattern appears bright and clear.
- the uneven pattern 53 made of a blue stone pattern is clearly visible from the viewing side. Further, since the surface of the light-transmitting colored layer 34 is polished smoothly, a depth is generated in the blue stone pattern, and a high-quality display panel can be obtained.
- the value of the crossing angle s of the light transmission easy axes of the first and second reflective polarizing plates 41 and 12 is set to about 15 degrees, so that a sufficient amount of light can be generated for the solar cell 17 to generate power. Can be supplied. Furthermore, the dark purple and crosshairs of the solar cell 17 are completely erased and are not visible.
- FIG. 39 is a schematic sectional view showing the display panel of Example 24.
- FIG. 39 is a schematic sectional view showing the display panel of Example 24.
- the display board of Example 24 is composed of the solar cell 17 and the solar cell.
- 17 is provided with a light transmissive substrate 26 provided on the viewing side of 17 and first and second reflective polarizing plates 11 A and 1 IB disposed between the solar cell 17 and the light transmissive substrate 26.
- the first reflective polarizing plate 11A is disposed on the side facing the light transmissive substrate 26, and the second reflective polarizing plate 11B is disposed on the side facing the solar cell 17.
- first reflective polarizing plate 11A On the surface of the first reflective polarizing plate 11A on the side facing the light-transmitting substrate 26, an uneven pattern 13 having a stripe shape is formed. Further, the outer peripheral portions of the light transmissive substrate 26 and the first and second reflective polarizing plates 11A and 11B are fixed by a fixing member 19a such as an adhesive or an adhesive.
- the second reflective polarizing plate 11B and the solar cell 17 have their outer peripheral portions fixed by a fixing member 19 such as an adhesive or an adhesive. Since the first and second reflective polarizing plates 11 A and 11 B are the same as in Example 17, description thereof is omitted.
- the light-transmitting substrate 26 is the same as that of the above-described Example 18, the detailed description is omitted. It is made of a transparent resin material, and both surfaces are finished smoothly.
- the value of the crossing angle s of the light transmission easy axes of the first and second reflective polarizing plates 11A and 1IB was set to about 25 degrees.
- the first and second reflective polarizing plates 11A and 1IB are disposed between the light-transmitting substrate 26 and the solar cell 17.
- the stripe pattern as the uneven pattern 13 of the first reflective polarizing plate 11A can be visually recognized brightly and clearly, and a three-dimensional expression with depth can be realized.
- FIG. 40 is a schematic sectional view showing the display panel of Example 25. As shown in FIG. [0483] The display plate of this example is different from point 24 in that a light-transmitting colored layer is provided on the surface of the light-transmitting substrate on the side facing the first reflective polarizing plate. These are the same as in Example 24.
- the display board of this example includes a solar cell 17, a light-transmitting substrate 26 provided on the viewing side of the solar sensor 17, a solar cell 17, a light-transmitting substrate 26,
- the first and second reflective polarizing plates 11A and 11B provided between the light transmitting substrate 26 and the light transmitting colored layer on the surface of the light transmitting substrate 26 facing the first reflective polarizing plate 11A. 44 is provided.
- the first and second reflective polarizing plates 11A and 11B are fixed to each other by thermocompression bonding.
- thermocompressed region 20 is shown with crossed diagonal lines for clarity.
- thermocompression bonding is the same as that in Example 18, and thus the description thereof is omitted.
- the outer peripheral portion of the light transmissive substrate 26 and the first reflective polarizing plate 11A is fixed by a fixing member 19a such as an adhesive or an adhesive.
- the reflection polarizing plate 12 and the solar cell 17 are fixed to each other by a fixing member 19 such as an adhesive or an adhesive.
- the crossing angle s of the easy light transmission axis of B was set to about 15 degrees.
- the light-transmitting colored layer 44 is formed by mixing a white pigment with a resin and printing.
- Example 24 The other components are the same as in Example 24, and thus the description thereof is omitted.
- the display board of this example completely erases the color of the solar cell 17 and further increases the whiteness, emphasizes the whiteness, and clearly sees the striped uneven pattern 13. It is possible to recognize S. Furthermore, as in Example 24, the three-dimensional expression with the depth of the stripe-like uneven pattern 13 can be realized.
- FIG. 41 is a schematic sectional view showing the display panel of Example 26.
- FIG. 41 is a schematic sectional view showing the display panel of Example 26.
- This example forms an uneven pattern on the first reflective polarizing plate and transmits light.
- the other structures are the same as those of Example 24.
- the display board of this example includes a solar cell 17, a light-transmitting substrate 26 provided on the viewing side of the solar sensor 17, a solar cell 17 and a light-transmitting substrate 26. 1st and 2nd reflection type polarizing plates 11A and 1IB arranged between these.
- a stripe-shaped uneven pattern 13 is formed on the surface of the first reflective polarizing plate 11A facing the light-transmitting substrate 26, and the surface of the uneven pattern 13 is light-transmitting.
- a colored layer 54 is provided.
- the light-transmitting colored layer 54 is formed by mixing copper metal powder with a transparent urethane resin to form an ink and printing on the surface of the striped uneven pattern 13 of the first reflective polarizing plate 11A. Forming.
- the light-transmitting substrate 26, the first and second reflective polarizing plates 11A and 11B, and the solar cell 17 are stacked without using a fixing member, and are held by an inner frame for a watch or the like. ing.
- the value of the crossing angle s of the light transmission easy axes of the first and second reflective polarizing plates 11A and 11B was set to about 15 degrees.
- the display panel of this example has the colors of the reflected light of the first reflective polarizing plate 11A, the reflected light of the second reflective polarizing plate 11B, and the color of the light-transmitting colored layer 54. And it is finished so that a golden feeling appears overall!
- the stripe-shaped uneven pattern 13 and the golden feeling are brightly and clearly visible by the reflected light. Furthermore, the striped uneven pattern 13 of the first reflective polarizing plate 11A is visually recognized through the transparent layer of the light-transmitting substrate 26, so that a three-dimensional expression with a depth can be achieved in a painting style. .
- FIG. 42 is a schematic sectional view showing the display panel of Example 27. As shown in FIG. 42
- the display board of this example includes a solar cell 17, a light transmitting substrate 26 provided on the viewing side of the solar sensor 17, a solar cell 17, a light transmitting substrate 26, and the like. 1st and 2nd reflection type polarizing plates 11A and 1IB arranged between these.
- a diffusion layer 24A is provided on the surface of the second reflective polarizing plate 11B on the side facing the solar cell 17.
- the diffusion layer 24A is a mixture of a diffusion agent having a function of diffusing light incident on an adhesive, an adhesive, a resin (transparent ink, transparent paint), etc. Further, it is possible to use silica, glass, resin or the like in the form of scales or needles.
- the light-transmissive substrate 26, the first and second reflective polarizing plates 11A, 1IB are the same as in Example 24, and the fixing members for fixing them to each other are also the same as in Example 24. .
- the value of the crossing angle s between the light transmission easy axes lla and 12a of the first and second reflective polarizing plates 11A and 11B was set to about 15 degrees.
- the display plate of this example includes the reflected light of the second reflective polarizing plate 11B and the diffusion layer.
- the three-dimensional expression with depth can be achieved by visually confirming the stripe-like uneven pattern 13 of the first reflective polarizing plate 11A through the transparent layer of the light-transmitting substrate 26. As a result, a high-quality display board can be obtained. Further, since the reflected light from the solar cell 17 is reduced, the dark purple color and the cross hair of the solar cell 17 are completely erased and are not visually recognized.
- FIG. 43 is a cross-sectional view showing the display panel of Example 28 of the present invention.
- This example is an example in which light transmissive substrates are disposed on the upper and lower surfaces of the reflective polarizing plate 11, and the first light transmissive substrate 26A is provided on the viewing side of the reflective polarizing plate 11.
- a second light-transmitting substrate 26B is provided on the surface of the reflective polarizing plate 11 on the side facing the solar cell 17.
- a pattern 13 is formed on the surface of the reflective polarizing plate 11 on the viewing side, and the first An uneven pattern 18C is formed on the surface of the light transmissive substrate 26A on the viewing side.
- no pattern is formed on the surface of the second light transmissive substrate 26B, but the surface of the second light transmissive substrate 26B, the solar panel of the reflective polarizing plate 11 is used.
- An uneven pattern may also be formed on the surface on the cell 17 side.
- the force S can be applied to apply the pattern described in the above embodiment.
- the display plate of this example has the first light transmitting substrate 26A, the reflective polarizing plate 11, and the second light transmitting substrate 26B fixed by, for example, thermocompression bonding.
- Patterns 13 and 18C should be formed. Patterns 13 and 18C can use various processing methods such as thermal transfer processing, press processing, sand blast processing, etc., depending on the selected pattern, in addition to machining by cutting.
- the cross-sectional shape of the concavo-convex pattern can be selected as appropriate, such as a V shape, a U shape, or a square shape.
- a V shape a shape having a V shape
- U shape a shape having a square shape.
- a square shape a shape having a square shape.
- the light-transmitting substrates 26A and 26B and / or the reflective polarizing plate 11 may have a light-transmitting colored layer and a diffusion layer as described in the above embodiments. Further, it may contain a coloring agent and a spreading agent. Further, the substrates may be fixed by a fixing member 19.
- the reflective polarizing plate 11, the first light-transmitting substrate 26A, and the second light-transmitting substrate 26B may be configured by being punched and laminated. After the reflective polarizing plate 11, the first light-transmitting substrate 26A, and the second light-transmitting substrate 26B are stacked, they may be punched out by press calorie or the like.
- the display panel of this example has an overall whiteness enhanced by the reflected light of the reflective polarizing plate 11, the whiteness is enhanced, and the uneven pattern 13 is clearly visible. Can do.
- the pattern 18C of the first light-transmitting substrate 26A and the uneven pattern 13 of the reflective polarizing plate 11 are visually recognized through the transparent layer of the first light-transmitting substrate 26A. You can have a three-dimensional expression. As a result, a high-quality display board can be obtained. In addition, By reducing the reflected light from one cell 17, the dark purple and crosshairs of the solar cell 17 are completely erased and cannot be seen.
- the uneven pattern was provided on one surface of the light-transmitting substrate, but the uneven pattern may be provided on either the front or back surface. It may be provided on the surface.
- the pattern may be provided, or may be provided on both surfaces.
- the light-transmitting substrate may have at least one of a colorant and a diffusing agent, and may have the same effect as a light-transmitting colored layer or diffusion layer. .
- the display board described in the above embodiments can be applied to a wireless function watch as shown in FIGS. 44 and 45, for example.
- FIG. 44 is an exploded perspective view in which the display board of the present invention is applied to a wireless function watch
- FIG. 45 is a partial cross-sectional view taken along line AA in the state where the watch with no spring function of FIG. 44 is assembled. is there.
- reference numeral 150 indicates a wireless function watch as a whole.
- This wireless function watch 150 is a radio-controlled wristwatch that has a radio function that receives a long-wave standard radio wave (carrier wave) including time information and corrects the time based on the time information. As shown in FIG.
- the housing 152 includes a watch case 153 that forms a conductive substantially cylindrical frame, a conductive back cover 154 that is mounted in a sealed state so as to cover a lower surface opening of the watch case 153, Windshield (glass) mounted in a sealed state to cover the top opening of the watch case 153
- a movement 156 constituting a timepiece driving unit is arranged, and on the upper surface of the movement 156, a solar cell 157 for driving the movement 156 by an electromotive force of light is arranged. ing.
- a display board 15 having a light transmitting function that transmits external light having a wavelength contributing to power generation of the solar cell at least enough to drive the movement 156.
- an antenna 159 for receiving a standard radio wave is attached to the small-diameter portion 156a below the side portion of the movement 156.
- the antenna 159 is illustrated as a bar antenna including a rod-shaped magnetic core member serving as a core and a coil wound around the outer periphery of the magnetic core member.
- the watch case 153 includes two sets of band attaching portions 160 that project outward, and these band attaching portions 160 are respectively opposed to each other. Legs 161 are provided that are spaced apart from each other and extend from the watch case 153.
- a wristwatch band (not shown) is connected between the legs 161.
- a minute hand and an hour hand are arranged on the needle shaft 162 of FIG. 44 that protrudes from the movement 156 and penetrates the solar senoule 157 and the display plate 158. These minute hand and hour hand are located between the display board 158 and the windshield 155 and display the time.
- the watch case 153 is divided into a plurality of parts.
- the watch case body 153 is divided into a watch case body 151 and a conductive turn ring 165.
- a flange-shaped counter part 163 protrudes in a ring shape.
- the counter ring 165 is installed.
- the turn ring 165 extends from the turn ring main body portion 166 disposed on the turn receiving portion 163 and the turn ring main body portion 166 on the display plate 158, and is disposed on the display plate 158. And an extending portion 167. Further, on the inner surface side of the counter ring 165, a tapered surface 168 having a downward force and a reduced diameter is formed, and an index such as a time letter is formed on the tapered surface 168. In addition, a fixing (waterproof) packing 169 for fixing the windshield 155 in a sealed state is interposed between the upper end of the turn ring 165 and the inner periphery of the upper end of the watch case body 151.
- a core member 170 projecting inward is formed on the back cover 154, and a plurality of engagement projecting portions 171 formed in a spaced manner project from the outer peripheral side of the core member 170. It is installed. Then, on the inner peripheral side in the vicinity of the lower end of the watch case body 151, there is formed an engaging recess 172 that engages with the engaging projecting portion 171 of the core member 170 of the back cover 154.
- a support frame 173 is interposed between the large-diameter portion 156 b above the side portion of the movement 156 and the upper end portion of the core member 170.
- the support frame 173 is made of a non-conductive material such as a synthetic resin, secures a gap along the plane direction between the conductive watch case body 151 and the antenna 159, and maintains the reception performance of the antenna 159 high.
- reference numeral 174 denotes a waterproof packing for sealing the space between the back cover 154 and the watch case body 151 in a sealed state.
- the display panel of the present invention is used as a display panel (character board) in such a solar cell-driven timepiece with a wireless function, the design variation can be expanded.
- the display board of the present invention supplies a sufficient amount of light for power generation of the solar cell when used in a solar cell-driven clock with a wireless function as described above. It is possible to make dark purple visible.
- the reflective polarizing plate, the light-transmitting substrate and the like constituting the display plate of the present invention are composed of, for example, a non-conductive material force such as a transparent polycarbonate resin or an acrylic resin,
- a non-conductive material force such as a transparent polycarbonate resin or an acrylic resin
- the present invention can also be applied to a normal wristwatch that does not have the solar cell 157 and a solar-powered wristwatch that has a solar cell and does not have a wireless function.
- the structure of the wireless function watch to which the display panel of the present invention is applied exhibits the above-described remarkable effects when applied to a wristwatch.
- the structure of the wireless function watch to which the display board of the present invention is applied can be applied not only to a wrist watch but also to a table clock or a wall clock.
- a radio wave clock having a radio function for receiving a longwave standard radio wave (carrier wave) including time information and correcting the time based on the time information is described.
- the structure of the wireless function watch to which the display panel of the present invention is applied can also be applied to a watch having wireless functions such as a personal computer communication function, a mobile phone function, and a non-contact IC card function.
- devices using the display plate as a display plate for devices such as a display plate for a clock, a desk calculator, an automobile, an instrument panel of an airplane, a mobile phone, and other mopile devices. It is also possible to apply to.
- the display board of the present invention may be used, for example, as a display board for devices such as a display panel for a clock, a desk calculator, an automobile, an instrument panel of an airplane, a mobile phone and other mopile equipment. Is possible.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
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- Liquid Crystal (AREA)
- Polarising Elements (AREA)
- Electric Clocks (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07792283.9A EP2058715B1 (en) | 2006-08-09 | 2007-08-09 | Display panel and apparatuses provided with same |
CN2007800294380A CN101501581B (zh) | 2006-08-09 | 2007-08-09 | 显示面板及具备该显示面板的设备类 |
JP2008528878A JP5015156B2 (ja) | 2006-08-09 | 2007-08-09 | 表示板およびそれを備えた機器類 |
US12/376,513 US8446671B2 (en) | 2006-08-09 | 2007-08-09 | Display panel and apparatus provided with the same |
HK09111526.1A HK1134148A1 (en) | 2006-08-09 | 2009-12-09 | Display panel and apparatuses provided with same |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2006217562 | 2006-08-09 | ||
JP2006-217562 | 2006-08-09 | ||
JP2006-231834 | 2006-08-29 | ||
JP2006231834 | 2006-08-29 |
Publications (1)
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WO2008018551A1 true WO2008018551A1 (fr) | 2008-02-14 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2007/065633 WO2008018551A1 (fr) | 2006-08-09 | 2007-08-09 | Panneau d'affichage et dispositifs l'utilisant |
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Country | Link |
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US (1) | US8446671B2 (ja) |
EP (1) | EP2058715B1 (ja) |
JP (2) | JP5015156B2 (ja) |
CN (1) | CN101501581B (ja) |
HK (1) | HK1134148A1 (ja) |
WO (1) | WO2008018551A1 (ja) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2009213788A (ja) * | 2008-03-12 | 2009-09-24 | Citizen Watch Co Ltd | 装飾部材 |
US8220930B2 (en) * | 2008-03-25 | 2012-07-17 | Shanghai Lexvu Opto Microelectronics Technology Co., Ltd. | Integrated opto-electronic device and portable reflective projection system |
JP2009244107A (ja) * | 2008-03-31 | 2009-10-22 | Citizen Watch Co Ltd | 機器類の表示板 |
JP2010160027A (ja) * | 2009-01-07 | 2010-07-22 | Citizen Watch Co Ltd | 表示板 |
JP2010203817A (ja) * | 2009-03-02 | 2010-09-16 | Casio Computer Co Ltd | 指針式時計 |
JP2010276456A (ja) * | 2009-05-28 | 2010-12-09 | Citizen Watch Kawaguchiko Co Ltd | 表示板およびその製造方法 |
JP2011163887A (ja) * | 2010-02-08 | 2011-08-25 | Citizen Watch Co Ltd | 文字板および時計 |
JP5851989B2 (ja) * | 2010-06-23 | 2016-02-03 | シチズンホールディングス株式会社 | 時計用表示板 |
JP2014002067A (ja) * | 2012-06-19 | 2014-01-09 | Seiko Epson Corp | 太陽電池付電子時計 |
WO2015093269A1 (ja) * | 2013-12-21 | 2015-06-25 | 京セラ株式会社 | 電子機器および透光性カバー基板 |
US9261915B2 (en) | 2013-12-21 | 2016-02-16 | Kyocera Corporation | Electronic apparatus, light-transmissive cover plate, and portable device |
JPWO2015093269A1 (ja) * | 2013-12-21 | 2017-03-16 | 京セラ株式会社 | 電子機器および透光性カバー基板 |
TWI732464B (zh) * | 2019-03-14 | 2021-07-01 | 瑞士商奧米茄公司 | 具結構化裝飾之以陶瓷為主的時計或首飾構件 |
Also Published As
Publication number | Publication date |
---|---|
CN101501581B (zh) | 2012-07-04 |
JPWO2008018551A1 (ja) | 2010-01-07 |
JP5015156B2 (ja) | 2012-08-29 |
US20100053752A1 (en) | 2010-03-04 |
EP2058715B1 (en) | 2017-01-18 |
CN101501581A (zh) | 2009-08-05 |
EP2058715A4 (en) | 2010-05-26 |
US8446671B2 (en) | 2013-05-21 |
JP2012163568A (ja) | 2012-08-30 |
HK1134148A1 (en) | 2010-04-16 |
EP2058715A1 (en) | 2009-05-13 |
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