WO2005064451A1 - 保護パネル付き電子機器、保護パネル及び保護パネルの製造方法 - Google Patents
保護パネル付き電子機器、保護パネル及び保護パネルの製造方法 Download PDFInfo
- Publication number
- WO2005064451A1 WO2005064451A1 PCT/JP2004/019200 JP2004019200W WO2005064451A1 WO 2005064451 A1 WO2005064451 A1 WO 2005064451A1 JP 2004019200 W JP2004019200 W JP 2004019200W WO 2005064451 A1 WO2005064451 A1 WO 2005064451A1
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- WIPO (PCT)
- Prior art keywords
- transparent
- film
- electrode
- protection panel
- panel
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0279—Improving the user comfort or ergonomics
- H04M1/0283—Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1643—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being associated to a digitizer, e.g. laptops that can be used as penpads
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/045—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2200/00—Indexing scheme relating to G06F1/04 - G06F1/32
- G06F2200/16—Indexing scheme relating to G06F1/16 - G06F1/18
- G06F2200/163—Indexing scheme relating to constructional details of the computer
- G06F2200/1634—Integrated protective display lid, e.g. for touch-sensitive display in handheld computer
Definitions
- the present invention relates to an electronic device with a protection panel, a protection panel for an electronic device display window, and a method for manufacturing a protection panel for an electronic device display window.
- a casing of an electronic device such as a mobile phone or a smartphone is generally a flat casing formed by combining a front casing and a rear casing made of a synthetic resin.
- a protective panel is fixed to the surface of the front casing by fusing or the like to protect the liquid crystal display window.
- This protection panel is formed by printing as disclosed in Japanese Patent Application Laid-Open No. 2001-318612, following the fashion of electronic devices, in which colorless and transparent resin panels have been used. Decoration such as edging has come to be applied.
- a mobile phone equipped with a touch panel is expected as the next interface.
- An example of a mobile phone having a touch panel is disclosed in, for example, Japanese Patent Application Laid-Open No. 2000-270063.
- Patent Document 1 JP-A-2000-270063
- Patent Document 2 JP 2001-318612 A
- a liquid crystal display window of an electronic device such as a mobile phone is protected by a protection panel constituting a part of a front casing. Therefore, if the touch panel is placed in the casing as it is, touch input operation is hindered by the protection panel, and the touch panel cannot be used. Therefore, instead of a protection panel that covers the touch input operation surface of the touch panel, the touch input operation surface, as disclosed in Japanese Patent Laid-Open No. 2000-270063, for example, is provided on the surface of the front casing.
- the front panel provided with the opening for exposing the panel must be fixed by fusion or the like.
- the front panel 67 is operated by the periphery of the opening 66 to operate the touch panel 60. Since the outside of the region is covered, a step corresponding to the thickness of the front panel 67 exists between the decorative portion 70 on the outer surface of the front panel 67 and the touch input operation surface 62. As a result, the pen or the finger is guided by the step, so that the same portion of the touch input operation surface 62 along the edge of the opening 66 of the front panel 67 often slides, and the touch input function is not provided. There is a problem that deterioration easily occurs. Further, when wiping off dirt such as oils and fats adhered to the touch input operation surface 62 by input or the like, there is a problem that it is difficult to completely wipe off the vicinity of the opening 66 of the front panel 67 U.
- the touch panel 60 is fixed directly to the surface of the display 65 via an adhesive layer 71, and the stress applied to the external force touch panel 60 is directly applied to the display. It will be. Therefore, there is a problem that the display 65 is easily damaged.
- an object of the present invention is to solve the above-described problems, and to enable touch input in a display window of an electronic device, and that the touch input operation surface slides on the same portion.
- An object of the present invention is to provide a protective panel for an electronic device display window, an electronic device with a protective panel, and a method for manufacturing the protective panel, which is easy to wipe off dirt such as fats and oils that are easily and easily damaged.
- the present invention is configured as follows.
- a protective panel on which a decorative layer having a transparent window is formed is formed
- a display device located below the protection panel and disposed so as to be visible from the outside through the transparent window portion
- the protection panel is the protection panel
- a transparent lower electrode is provided around the transparent lower electrode so as to be concealed by the decorative layer.
- a transparent protective panel body provided on the upper surface with
- a transparent upper electrode provided on the lower surface of the transparent resin film at a position facing the transparent lower electrode of the protective panel main body, and an upper portion provided around the transparent upper electrode so as to be concealed by the decorative layer.
- a movable electrode film having a circuit, a peripheral portion of the movable electrode film being adhered to the protective panel body, and disposed above the protective panel body via an air layer;
- An electronic device with a protection panel comprising: a transparent resin cover film provided on an upper surface of the transparent resin film and having the decorative layer formed on at least one surface.
- the electronic device with a protective panel according to the first aspect, wherein the decorative layer is formed on a lower surface of the cover film.
- the electronic device with a protection panel according to the second aspect wherein the cover film has the same outer dimensions as the transparent resin film and the protection panel main body. I do.
- the upper surface of the cover film is subjected to a hard coat treatment, a low reflection treatment, an antifouling treatment, or a treatment combining some of these.
- a transparent lower electrode and a lower circuit provided around the transparent lower electrode include: a transparent protective panel main body formed on an upper surface;
- a transparent layer provided on a lower surface of a transparent resin film having a transparent window portion and covering a decorative circuit for concealing the lower circuit on at least one surface, at a position facing the transparent lower electrode of the protective panel body.
- An upper electrode is provided around the transparent upper electrode so as to be concealed by the decorative layer, and a peripheral portion is adhered to the upper circuit and disposed above the protective panel body via an air layer.
- a transparent resin cover film provided on an upper surface of the transparent resin film and having the decorative layer formed on at least one surface thereof,
- the outer surface of the casing fitting portion having the opening is formed so as to be fitted and held without any gap so that the outer surface thereof forms the same plane, and is disposed under the transparent window portion so as to be visible from the outside through the transparent window portion.
- Electronic device display to protect the display device Provides window protection panels.
- the protective panel according to the fifth aspect wherein the decorative layer is formed on a lower surface of the cover film.
- the protection panel according to the sixth aspect wherein the cover film has the same outer dimensions as the transparent resin film and the protection panel main body.
- the upper surface of the cover film is subjected to a hard coat treatment, a low-reflection treatment, an antifouling treatment, or a treatment combining some of these.
- a protection panel according to any one of the fifth to seventh aspects is provided.
- a plurality of transparent lower electrodes and a plurality of lower circuits provided around the transparent lower electrodes are formed on the upper surface of the transparent plate member, respectively.
- a transparent layer provided on a lower surface of a transparent resin film formed on at least one surface and having a transparent window portion and provided to cover the lower circuit, at a position facing the transparent lower electrode.
- the plate-shaped member and the transparent resin film are adhered to the upper side of the plate-shaped member via an air layer so that a peripheral portion of the lower circuit and a peripheral portion of the upper circuit are adhered to each other. Protection of an electronic device display window by integrally cutting the bonded plate-shaped member and the transparent resin film along the outside of the transparent upper electrode and along the inside of the periphery of the decorative layer to obtain a protection panel.
- a method for manufacturing a panel is provided.
- the decorative layer includes a transparent resin cover film on which the decorative layer is formed, and a surface of the transparent resin film on which the transparent upper electrode is provided.
- the electronic device with a protection panel and the protection panel for an electronic device display window according to the present invention have the above-described configuration, and thus have the following effects.
- the protective panel body is formed of a transparent lower electrode formed on the upper surface, and faces the transparent lower electrode via an air layer. Then, since it is bonded to the transparent resin film having the transparent upper electrode formed on the lower surface at the peripheral edge, it has a touch input function on the front surface of the protection panel main body. Therefore, even if the protection panel is mounted on the surface of the front casing of an electronic device such as a mobile phone, touch input on the electronic device display window is possible.
- the touch input operation surface is evenly slid, thereby deteriorating the touch input function. Is unlikely to occur.
- the step since the step does not exist, it is possible to wipe off dirt such as oils and fats attached to the touch input operation surface due to input or the like, and to reduce the thickness of the device immediately.
- a protective panel of the present invention by cutting the integrally bonded members at a time, the external dimensions of each member can be equalized, and the protective panel can be easily manufactured. Can be manufactured.
- FIG. 1 is an exploded view showing an embodiment of a protection panel for an electronic device display window according to the present invention.
- FIG. 2 is a cross-sectional view when the protection panel of the electronic device display window of FIG. 1 is cut along line ⁇ - ⁇ .
- FIG. 3 is an exploded view showing an example of a mounting structure in a front casing using a protection panel for an electronic device display window.
- FIG. 4 is a cross-sectional view of the embodiment of the mounting structure in the front casing of FIG. 3 taken along line IV-IV.
- FIG. 5 is an exploded view showing another embodiment of a protection panel for an electronic device display window according to the present invention.
- FIG. 6 is an exploded perspective view of a transparent electrode film used for a protection panel of an electronic device display window in FIG. 1.
- FIG. 7 is a perspective view of a double-sided adhesive tape used for a protective panel of the electronic device display window of FIG. 1.
- FIG. 8 is an exploded perspective view of a fixed electrode substrate used for a protection panel of a display window of the electronic device in FIG. 1.
- FIG. 9 is a partially enlarged disassembled perspective view for explaining a bonding position of the transparent electrode film, the double-sided adhesive tape, and the fixed electrode substrate of the protection panel of the electronic device display window of FIG. .
- FIG. 10 is an explanatory diagram of a position at which each bonded member shown in FIG. 9 is cut.
- FIG. 11A is a diagram showing a front-side external configuration of a mobile phone using the protection panel of the electronic device display window of FIG. 1 or FIG.
- FIG. 11B is a diagram showing a rear-side appearance configuration of the mobile phone in FIG. 11A.
- FIG. 12 is an exploded view showing another example of a mounting structure of a front casing using a protection panel for an electronic device display window.
- FIG. 13 is a cross-sectional view taken along line II-II of another embodiment of the mounting structure in the front casing of FIG.
- FIG. 14 is an exploded view showing an example of a mounting structure in a front casing having an opening and a front panel using a touch panel according to a conventional technique.
- FIG. 15 is a cross-sectional view taken along line XV-XV showing an example of a mounting structure in a front casing having an opening and a front panel using a touch panel according to a conventional technique.
- FIG. 1 is an exploded view showing an embodiment of a protection panel for an electronic device display window according to the present invention
- FIG. 2 is a cross-sectional view taken along the line II-II of FIG.
- the protection panel 100 for the electronic device display window in FIG. 1 is provided with a display unit 41, 42 provided on the front casing 13 and the rear casing 13b, which are the casing of the cellular phone 40 shown in FIGS. 11A and 11B, respectively. It is used as a protection panel.
- Each of the display units 41 and 42 has a display device such as a liquid crystal or an organic EL provided inside thereof, and a protection panel for the present embodiment is disposed to protect the surface thereof.
- the protection panel according to the present embodiment need not be provided on the display units 41 and 42 of both the front casing 13 and the rear casing 13b, but may be provided as needed as needed.
- the protection panel 100 of the electronic device display window includes a protection panel body 1 having a transparent lower electrode 2 and a circuit 5b formed on an upper surface, and a transparent resin having a transparent upper electrode 4 and a circuit 5a formed on a lower surface. It comprises a film 3 and a transparent resin cover film 8 having a decorative layer 9 having a transparent window 8a formed on at least one surface.
- the transparent resin film 3 and the cover film 8 are bonded to each other to form a movable electrode film 16 of a touch panel, as described later.
- the protective panel body 1 and the transparent resin film 3 are adhered to each other with a double-sided adhesive tape 7 at the peripheral edge of the transparent resin film 3 via an air layer between the electrodes. Laminated with transparent adhesive 19 on top! /
- a circuit 5 a having a predetermined pattern such as a bus bar or a lead wire is formed on the same surface as the transparent lower electrode 2 and the transparent upper electrode 4. Output to outside by connector 18.
- a spacer 10 is provided between the protective panel main body 1 and the transparent resin film 3, and is provided on each of the opposing surfaces so that the electrodes 2 and 4 do not make erroneous contact.
- the spacer 10 can be obtained by forming a transparent photocurable resin into fine dots by a photo process. Also, a number of fine dots can be formed by a printing method to form spacers 10.
- a material having excellent transparency and capable of protecting the display 15 such as a liquid crystal panel or an organic EL panel from being damaged is used.
- general-purpose resins such as polystyrene resins, polyolefin resins, ABS resins, AS resins, acrylic resins, and AN resins can be mentioned.
- general engineering such as polyphenylene oxide, polystyrene resin, polycarbonate resin, polyacetal resin, polycarbonate-modified polyphenylene ether resin, polybutylene terephthalate resin, ultra-high molecular weight polyethylene resin, etc.
- Engineering resin can be used.
- the protective panel body 1 forms a transparent lower electrode 2 through a transparent film as described later. May be performed.
- the transparent resin film include engineering plastics such as polycarbonate, polyamide, and polyetherketone, and resin films such as acrylic, polyethylene terephthalate, and polybutylene terephthalate.
- the material of the transparent resin film 3 includes engineering plastics such as polycarbonate, polyamide, and polyetherketone, acrylic, and polyethylene terephthalate.
- a resin film such as polybutylene terephthalate.
- the transparent lower electrode 2 and the transparent upper electrode 4 are made of a transparent conductive film.
- Materials for the transparent conductive film include metal oxides such as tin oxide, indium oxide, antimony oxide, dumbbell oxide, oxidized dome, ITO, and the like; gold, silver, copper, tin, nickel, aluminum, and the like. Is a thin film of a metal such as palladium or a conductive polymer.
- the transparent lower electrode 2 and the transparent upper electrode 4 may be formed, for example, by vacuum evaporation, sputtering, ion plating, CVD, roll coater, etc. After forming a conductive film on the substrate, unnecessary portions are removed by etching.
- Etching is performed by forming a resist on a portion to be left as an electrode by a photolithography method or a screen method, and then immersing the resist in an etching solution such as hydrochloric acid or spraying the etching solution to form a resist. Then, the resist is swelled or dissolved by dipping in a solvent to remove. Laser etching is also possible.
- a conductive paste such as a metal such as gold, silver, copper, or nickel, or carbon is used.
- These forming methods include a printing method such as screen printing, offset printing, gravure printing, or flexographic printing, a photoresist method, or a brush coating method.
- a printing method such as screen printing, offset printing, gravure printing, or flexographic printing, a photoresist method, or a brush coating method.
- the protection panel of the present embodiment is disposed integrally with the front casing 13 having the liquid crystal display window of an electronic device such as a mobile phone, and is not limited by the size of the display 15.
- the end of the film connector 18 is located between the protective panel main body 1 and the transparent resin film 3. And connected to the output terminals of the circuits 5a and 5b by thermocompression bonding.
- the film connector 18 can be easily turned to the back.
- the material of the transparent resin cover film 8 is the same as that of the transparent resin film 3, such as polycarbonate-based, polyamide-based, polyetherketone-based engineering plastics, acryl-based, polyethylene terephthalate-based, and polybutylene terephthalate.
- a resin film such as a resin film can be used.
- a decorative layer 9 having a transparent window portion 8 a is formed on at least one surface of the transparent resin cover film 8, and is located on the upper surface side of the transparent resin film 3 on which the transparent upper electrode 4 is formed. .
- the decorative layer 9 having the transparent window portion 8a is provided on the lower surface of the protective panel main body 1.
- the upper surface of the protective panel main body 1 and the transparent This is because the opaque wiring 5 is provided on the lower surface of the resin film 3 so as to cover and cover the wiring.
- the part covered with the decoration layer 9 becomes the decoration part 11, and the part not covered with the decoration layer 9 becomes the transparent window part 8a.
- the decorative layer 9 is usually formed as a printed layer in a protective panel.
- the material of the printing layer may be, for example, polyvinyl chloride resin, polyamide resin, polyester resin, polyacrylic resin, polyurethane resin, polybutylacetal resin, polyester. It is preferable to use a coloring ink containing a resin such as a urethane resin, a cellulose ester resin, or an alkyd resin as a binder and a pigment or dye of an appropriate color as a coloring agent.
- a normal printing method such as an offset printing method, a gravure printing method, and a screen printing method may be used.
- an offset printing method or a gravure printing method is suitable for performing multicolor printing and gradation expression.
- a coating method such as a gravure coating method, a roll coating method, and a comma coating method may be employed.
- the printing layer may be provided entirely or partially according to the decoration to be expressed.
- the decorative layer 9 may be a layer having a metal thin film layer strength or a layer having a combined force of a printing layer and a metal thin film layer.
- the metal thin film layer is for expressing metallic luster as the decorative layer 9, and can be formed by a vacuum deposition method, a sputtering method, an ion plating method, a plating method, or the like.
- Metals such as nickel, gold, platinum, chromium, iron, copper, tin, indium, silver, titanium, lead, zinc, and alloys or compounds thereof can be used.
- the metal thin film layer is usually formed partially. Further, when the metal thin film layer is provided, a front anchor layer or a rear anchor layer may be provided in order to improve the adhesion to other layers.
- the decorative layer 9 is formed on the lower surface of the transparent resin cover film 8 as described later, and is bonded to the upper surface of the transparent resin film 3. Since a finger or a pen does not directly contact the decorative layer, it is protected from abrasion.
- this protection panel has a touch input function on the front surface of the protection panel main body 1. That is, there is no need for a touch panel in the casing as in the conventional case. With such a feature, even if the protection panel 100 is mounted on the surface of the front casing 13 of an electronic device such as a mobile phone as shown in FIG. 3, it is possible to perform a touch input on the electronic device display window. Become.
- FIG. 4 is a cross-sectional view showing one embodiment of a mounting structure of the front casing using the protection panel for the electronic device display window of FIG.
- the front casing 13 is provided with a concave portion 22 into which the protection panel 100 is fitted.
- the recess 22 is preferably configured to have a depth force substantially equal to the thickness dimension of the protection panel 100.
- An opening 17 is formed on the bottom surface of the concave portion 22, and a peripheral portion 12a of the protection panel 100 on which the decorative layer is provided is supported on a peripheral edge of the bottom surface.
- the display device 15 is arranged inside the opening 17.
- the protection panel 100 is supported by the casing 13 only at the peripheral portion, so that the touch input operation surface 12 of the protection panel 100 can be configured to have substantially the same dimensions as the opening 17.
- the sliding operation is performed on the touch input operation surface 12 without bias, and the touch input function is not provided. Deterioration hardly occurs.
- the protection panel 100 is fitted with the outward force of the front casing.
- the protection panel When the protection panel is configured to be held by the recess 22, the protection panel 100 does not directly contact the display 15, and the gap between the protection panel 100 and the display is reduced by the thickness of the bottom wall of the recess 22 of the front casing 13. Is formed. Therefore, even if an external force is applied to the protection panel 100, the display can be prevented from being damaged, since the external force does not directly reach the surface of the display 15.
- the protection panel of the electronic device display window of the present invention is not limited to the above-described configuration.
- the decoration unit 11 may include a key input pattern 11a (see FIG. 5).
- the transparent lower electrodes 2, 2a and the transparent upper electrodes 4, 4a are formed not only in the lower area of the transparent window 8a but also in the lower area of the key input pattern 11a.
- the protection panel of FIG. 1 includes a movable electrode film 16 on which a plurality of decorative layers 9 and upper transparent electrodes 4 are formed, and a single fixed electrode substrate 27 on which a plurality of protection panel bodies 1 are formed. It can be manufactured by laminating at specified positions and cutting them out integrally.
- FIG. 6 is an exploded perspective view showing an assembly configuration of a movable electrode film used for the protection panel of FIG.
- the movable electrode film 16 is formed by bonding a transparent resin film 3s and a transparent resin cover film 8s with a transparent adhesive 25.
- the transparent resin cover film 8s is a transparent sheet having a plurality of decorative layers 9 formed on its surface. In the example of FIG. 6, four decorative layers 9 are formed on one transparent resin cover film 8s.
- the decorative layer 9 is preferably provided on at least one surface, and is preferably provided on the surface to be bonded to the transparent resin film 3s as described later.
- the transparent resin film 3s has an upper transparent electrode 4 and a circuit 5a formed on the lower surface thereof.
- the upper transparent electrode 4 and the circuit 5a are formed so as to be smaller than the external dimensions of the decorative portion 11 formed on the transparent resin cover film 8s, and are formed on the transparent resin cover film 8s. It is provided at a position corresponding to layer 9.
- the upper transparent electrode is configured to be substantially the same as or slightly larger than the transparent window 8a of the decorating layer 9 so that the circuit 5a is concealed by the decorating portion 11 through the transparent window 8a.
- the surface of the transparent resin cover film 8s on which the decorative layer is formed and the surface of the transparent resin film 3s on which the upper transparent electrode 4 and the circuit 5a are not provided are made of a transparent adhesive 25. Thereby, the transparent resin film 3s is adhered to the movable electrode film 16. At this time, the circuit 5a is formed on the transparent resin cover film 8s and is bonded to a position where the circuit 5a is concealed by the decorative portion 11 of each decorative layer 9.
- FIG. 7 is a perspective view of a double-sided adhesive tape used for the protection panel of the electronic device display window of FIG.
- the double-sided adhesive tape 7 has substantially the same dimensions as the movable electrode film 16, and a hollow portion 26 is provided at a position corresponding to the position where the decorative layer 9 of the movable electrode film is provided.
- the hollow portion 26 is configured to be larger than the upper transparent electrode 4 and smaller than the decorative layer 9.
- FIG. 8 is an exploded perspective view of a fixed electrode substrate used for the protection panel of the electronic device display window of FIG.
- the fixed electrode substrate 27 is formed by attaching a fixed electrode film 28 to the upper surface of a transparent plate member 29.
- the fixed electrode film 28 has a lower transparent electrode 2 and a circuit 5b formed on the upper surface thereof.
- the lower transparent electrode 2 and the circuit 5b are formed so as to be smaller than the outer dimensions of the decorative layer 9 formed on the transparent resin cover film 8s and to have substantially the same dimensions as the upper transparent electrode 4 and the circuit 5a. It is provided at a position corresponding to the decorative layer 9 formed on the transparent resin cover film 8s.
- the upper surface of the fixed electrode film on which the upper transparent electrode 2 and the circuit 5b are provided is adhered to the plate member 29 with the transparent adhesive 30.
- the spacer 10 is formed by providing a large number of fine dots by the above-described method or the like after bonding the two.
- the movable electrode film 16 and the fixed electrode substrate 27 configured as described above are adhered by the double-sided adhesive tape 7.
- the positional relationship at this time is as shown in FIG. That is, the decorative layer 9 is attached to a position where the upper transparent electrode 2, the lower transparent electrode 4, the circuit 5a, and the hollow portion 26 do not protrude. Also this At this time, the upper transparent electrode 2 and the lower transparent electrode 4 are bonded together so as to fit in the hollowed portion 26 of the double-sided adhesive tape. Due to such a positional relationship, when they are bonded to each other, only the periphery of the upper transparent electrode 2 and the lower transparent electrode 4 are adhered by the double-sided adhesive tape 7, and an air layer is formed between the movable electrode film 16 and the fixed electrode substrate 27. Only the surroundings are adhered through.
- the bonded movable electrode film 16 and fixed electrode substrate 27 are cut integrally.
- the cut portion is the position of L1 shown in FIG. 10, the outer edge of the outer edge of the hollow portion 26 of the double-sided adhesive tape shown in L2 and the outer edge of the upper transparent electrode 2 and the lower transparent electrode 4 shown in L3, , Near the inner periphery of the decorative layer 9.
- the bonded movable electrode film 16 and the fixed electrode substrate 27 are integrally cut, so that the configured protection panel 100 is formed by cutting out the movable electrode film 16 and forming the transparent panel. Only the periphery of the protection panel main body 1 formed by cutting out the resin film and the fixed electrode substrate 27 is adhered, and is arranged on the upper side of the protection panel main body via an air layer.
- the protection panel 101 is fitted into the opening 57 of the front casing 43 of the mobile phone from the inside, and a projection 51 for neglecting the casing 43 is provided around the protection panel. Partially provided.
- protrusions 51 are provided at four places.
- the projection 51 provided on the protection panel 101 is provided so as to be thinner than the thickness of the protection panel 101, and is formed on the rear surface of the protection panel 101 so that a step is formed on the touch input operation surface 52 side. More arranged.
- the projection 51 is fitted to the fitting portion 23 provided around the opening of the casing 43 to fix the protection panel 101 to the casing 43. Since the height of the step is substantially equal to the thickness of the wall around the opening of the casing 43, the touch input operation surface 52 of the protection panel 101 has the same outer surface of the casing as the same plane.
- the protection panel that is strong in this configuration is configured to be fixed to the casing 43 by the protrusion 51 protruding from the outer shape of the protection panel 101.
- the opening 15 is formed in the same shape as the opening 57 provided in the ring, and the display device 15 can be arranged on the entire surface of the opening. Therefore, the width of the peripheral portion 52a provided with the decorative layer can be reduced and the area of the transparent window can be increased, so that the display window of an electronic device such as a mobile phone can be made larger.
- the protective panel 101 can be manufactured by bonding the movable electrode film and the fixed electrode substrate using a double-sided adhesive tape or the like as described above, but is thinner than the thickness of the protective panel. Since it is necessary to provide the projections 51 having dimensions, it is manufactured as follows.
- the movable electrode film, the fixed electrode substrate, and the double-sided adhesive tape are used as described above.
- the movable electrode film and the double-sided adhesive tape have substantially the same configuration as those shown in FIGS. 6 and 7.
- a slit-shaped through hole is provided in a portion corresponding to each of the protrusions 51.
- a groove having the same shape as the slit-shaped through hole provided in the moving electrode film and the double-sided adhesive tape is provided in a portion corresponding to the projection 51 to be formed. .
- the thickness of the projection 51 is set to the thickness of the fixed electrode substrate, it is not necessary to provide a groove.
- the movable electrode film and the fixed electrode substrate are respectively adhered to the positions corresponding to the respective electrodes using a double-sided adhesive tape as shown in Fig. 9 described above.
- the slit-shaped through holes provided in the movable electrode film and the double-sided adhesive tape respectively correspond to the grooves provided in the fixed electrode substrate, and the upper surface force of the integrated sheet is continuous. A non-through hole is formed.
- the bonded movable electrode film, fixed electrode substrate, and double-sided adhesive tape are cut out integrally along the outer edges of the through-holes and grooves corresponding to the protrusions 51.
- the portions of the through holes and the grooves are formed to be thin.
- the present invention is not limited to the above-described embodiment, but can be implemented in other various forms.
- unnecessary portions are etched after forming a conductive film on the entire surface.
- Unnecessary portions may be covered with an insulating layer instead of performing etching instead of removing them.
- the insulating layer acrylic acrylate resin or the like can be used.
- As a method for forming the insulating layer there are screen printing, a photo process, and the like. It is also possible to use laser patterning. Further, the insulating layer may also serve as an adhesive for bonding.
- a through hole may be formed in the peripheral portion of the protection panel main body 1 to draw out the terminals of all the circuits 5 a and 5 b to the back of the protection panel main body 1.
- the terminals of the circuits 5a and 5b are arranged on the lower surface of the protection panel main body.For example, the terminals that come into contact with the terminals on the protection panel side support the protection panel in the concave portion 22 of the casing. It is preferable to provide it on the bottom.
- an adhesive having a strong property such as acrylic resin, epoxy resin, phenol resin, or bur resin may be used.
- the surface of protective panel 100 may be subjected to a hard coat treatment.
- a hard coat treatment is applied, even if the decorative layer 9 is formed on the upper surface of the transparent resin cover film 8, the hard coat treated layer sufficiently protects the decorative layer 9 from abrasion by pressing with a finger or a pen. Is done.
- the hard coating method include applying a hard coat material such as an acrylic resin, a silicon resin, and a UV curable resin, and attaching a hard coat film.
- the surface of the protection panel 100 may be subjected to a low reflection treatment.
- Low-reflection treatment methods include applying a low-reflection material using a low-refractive-index resin such as fluorine resin or silicon resin, forming a metal multilayer film by vapor deposition, or applying a low-reflection film. Or surface treatment with sand blasting, embossing, matte coating, or etching. Further, these low reflection treatment methods may be combined.
- the surface of the protection panel 100 may be subjected to an antifouling treatment.
- the above hard coat treatment, low reflection treatment, and antifouling treatment may be formed by combining some of these!
- a 20-nm-thick ITO film was formed on one side of a 0.1-mm-thick PET film by sputtering. The surface was formed, and the peripheral portion of the ITO film was removed to obtain a wide rectangular transparent electrode. Further, bus bars arranged on two sides of the transparent electrode facing in the lateral direction and circuits for outputting the respective bus bar forces to the outside were formed by screen printing silver paste.
- a 0.7 mm thick acrylic plate with the same dimensions in the vertical and horizontal directions as the PET film is bonded to the surface of the PET film opposite to the surface on which the transparent electrodes are formed with a 0.025 mm thick substrate-less transparent adhesive. As a result, a fixed electrode substrate 27 on which a transparent electrode was formed was obtained.
- a PET film having a thickness of 125 ⁇ m and the same dimensions as the main body of the protection panel is used, and a 20 nm-thick ITO film is formed on one surface thereof by sputtering, and a peripheral portion of the ITO film is removed.
- a transparent electrode having a wide rectangular shape was formed.
- the bus bars arranged on the two sides opposed to each other in the vertical direction of the transparent electrode and the circuits for outputting the respective bus bar forces to the outside were formed by screen printing silver paste.
- a decorative layer having a transparent window on the surface opposite to the hard coat surface was formed by gravure printing. Formed.
- the surface of the PET substrate hard coat film, on which the decorative layer was formed was placed on the opposite side of the surface on which the transparent electrode of the 125 ⁇ m PET film was formed, to a thickness of 0.025 mm.
- a movable electrode film was obtained by laminating with a substrate-less transparent adhesive. After that, the fixed electrode substrate and the movable electrode film are opposed to each other so as to separate the electrodes formed on each other, and are bonded together with a double-sided adhesive tape at the periphery except for the insertion portion of the film connector. Cut along.
- the ends of the film connector are thermocompression-bonded to obtain a protective panel for an electronic device display window, which is provided on a display window of a casing of the electronic device with the protective panel. Fit into.
- This protective panel is capable of performing a touch input on a display window of an electronic device such as a mobile phone, and the touch input operation surface is easy to wipe off dirt such as oil or fat that does not slide on the same portion. !, It was.
- the dimensions of the PET-based hard coat film were set at 5 Example 1 except that a 0.7 mm thick, 5 mm wide frame made of acrylic resin was integrated around the perimeter before lamination with a 125 ⁇ m thick PET film by lamination before bonding to a 125 ⁇ m thick PET film. Same as 1.
- the obtained protection panel is capable of performing touch input on a display window of an electronic device such as a mobile phone, and the touch input operation surface does not slide on the same portion. Was easy to wipe off.
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Signal Processing (AREA)
- Position Input By Displaying (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Telephone Set Structure (AREA)
- Push-Button Switches (AREA)
- Casings For Electric Apparatus (AREA)
- Electroluminescent Light Sources (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04807557A EP1698965A4 (en) | 2003-12-26 | 2004-12-22 | ELECTRONIC DEVICE WITH PROTECTION PANEL, PROTECTION PANEL AND MANUFACTURING PROCESS FOR A PROTECTION PANEL |
US10/584,384 US7554624B2 (en) | 2003-12-26 | 2004-12-22 | Electronic device with protection panel, protection panel, and method of fabricating protection panels |
CA2551595A CA2551595C (en) | 2003-12-26 | 2004-12-22 | Electronic device with protection panel, protection panel, and method offabricating protection panels |
KR1020067011406A KR101096394B1 (ko) | 2003-12-26 | 2004-12-22 | 보호패널 부착 전자기기, 보호패널 및 보호패널의 제조방법 |
JP2005516600A JPWO2005064451A1 (ja) | 2003-12-26 | 2004-12-22 | 保護パネル付き電子機器、保護パネル |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-432628 | 2003-12-26 | ||
JP2003432628 | 2003-12-26 |
Publications (1)
Publication Number | Publication Date |
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WO2005064451A1 true WO2005064451A1 (ja) | 2005-07-14 |
Family
ID=34736483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/019200 WO2005064451A1 (ja) | 2003-12-26 | 2004-12-22 | 保護パネル付き電子機器、保護パネル及び保護パネルの製造方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US7554624B2 (ja) |
EP (1) | EP1698965A4 (ja) |
JP (3) | JPWO2005064451A1 (ja) |
KR (1) | KR101096394B1 (ja) |
CN (1) | CN100405269C (ja) |
CA (1) | CA2551595C (ja) |
MY (1) | MY141635A (ja) |
TW (1) | TWI371207B (ja) |
WO (1) | WO2005064451A1 (ja) |
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Also Published As
Publication number | Publication date |
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US7554624B2 (en) | 2009-06-30 |
TW200536346A (en) | 2005-11-01 |
JP2010113373A (ja) | 2010-05-20 |
CA2551595A1 (en) | 2005-07-14 |
JP2008102512A (ja) | 2008-05-01 |
CN100405269C (zh) | 2008-07-23 |
TWI371207B (en) | 2012-08-21 |
CN1902571A (zh) | 2007-01-24 |
KR101096394B1 (ko) | 2011-12-21 |
JPWO2005064451A1 (ja) | 2007-12-20 |
EP1698965A1 (en) | 2006-09-06 |
KR20060128888A (ko) | 2006-12-14 |
US20070181456A1 (en) | 2007-08-09 |
CA2551595C (en) | 2011-02-08 |
EP1698965A4 (en) | 2010-06-09 |
MY141635A (en) | 2010-05-31 |
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