WO2010001805A1 - Protective panel with touch input function for electronic equipment display panel - Google Patents

Protective panel with touch input function for electronic equipment display panel Download PDF

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Publication number
WO2010001805A1
WO2010001805A1 PCT/JP2009/061618 JP2009061618W WO2010001805A1 WO 2010001805 A1 WO2010001805 A1 WO 2010001805A1 JP 2009061618 W JP2009061618 W JP 2009061618W WO 2010001805 A1 WO2010001805 A1 WO 2010001805A1
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WO
WIPO (PCT)
Prior art keywords
electrode sheet
air
sheet
transparent
touch input
Prior art date
Application number
PCT/JP2009/061618
Other languages
French (fr)
Japanese (ja)
Inventor
康次 楠田
俊之 岩井
Original Assignee
日本写真印刷株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本写真印刷株式会社 filed Critical 日本写真印刷株式会社
Priority to KR1020107027770A priority Critical patent/KR101489029B1/en
Publication of WO2010001805A1 publication Critical patent/WO2010001805A1/en

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Classifications

    • 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
    • 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
    • G06F3/0412—Digitisers structurally integrated in a display
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices

Definitions

  • the present invention is applied to PDAs (Personal Digital Assistants), portable information terminals such as handy terminals, OA devices such as copiers and facsimiles, smartphones, mobile phones, portable game devices, electronic dictionaries, car navigation systems, small PCs, various home appliances, and the like.
  • PDAs Personal Digital Assistants
  • portable information terminals such as handy terminals
  • OA devices such as copiers and facsimiles
  • smartphones mobile phones
  • portable game devices electronic dictionaries
  • car navigation systems small PCs, various home appliances, and the like.
  • the present invention relates to a protective panel with a touch input function for an electronic device display window that does not cause circuit malfunction or appearance failure even when a strong load is applied to the entire front surface.
  • a front exterior casing in an electronic device such as a mobile phone or a smartphone is configured by combining a front exterior casing and a rear exterior casing made of synthetic resin.
  • a protective panel is fixed to the surface of the front exterior casing by fusion or the like in order to protect the liquid crystal display window.
  • a colorless and transparent resin panel has been used as the protective panel.
  • decoration such as bordering has been applied by printing.
  • the protective panel 100 with a touch input function is arranged on the front surface of the display device 20 and is fitted into the front exterior casing 19, and is used for an electronic device display window.
  • the protection panel 100 with a touch input function of the electronic device display window will be described in more detail with reference to the exploded view of FIG.
  • the protection panel 100 with a touch input function is composed of a lower electrode panel 3, an upper electrode sheet 2a, and a decorative sheet 2b.
  • the lower electrode panel 3 has a lower transparent electrode 5 on the upper surface of the protective panel body, and lower circuits 7 a and 7 b are provided around the lower transparent electrode 5.
  • the upper electrode sheet 2a has an upper transparent electrode 4 at a position facing the lower transparent electrode 5 on the lower surface of the transparent insulating sheet, and upper circuits 6a to 6d, 7c and 7d are provided around the upper transparent electrode 4. ing.
  • the periphery of the upper electrode sheet 2a and the lower electrode panel 3 is bonded so that an air cell is formed between the electrode of the upper electrode sheet 2a and the lower electrode panel 3, and the transparent insulating sheet
  • a decorative sheet 2b having a decorative layer is formed on at least one surface.
  • the decorative sheet 2b is bonded to the upper surface of the upper electrode sheet 2a, and the pattern 17 is transparent so as to hide the lower circuits 7a and 7b and the upper circuits 6a to 6d, 7c and 7d.
  • a window portion 18 is formed.
  • the protection panel 100 with a touch input function configured as described above When the protection panel 100 with a touch input function configured as described above is pressed against the surface of the decorative sheet 2b with a finger or a pen, the decorative sheet 2b is integrated with the upper electrode sheet 2a.
  • the input position is detected when the transparent electrodes 4 and 5 formed on the inner surfaces of the upper electrode sheet 2a and the lower electrode panel 3 come into contact with each other.
  • FIG. 13 is a cross-sectional view showing an example of mounting the protection panel 100 with a touch input function on the front surface of the exterior housing.
  • FIG. 13 (a) shows a state before mounting the protection panel with a touch input function.
  • b) shows a state after mounting.
  • a panel fitting portion 22 for fitting the protection panel 100 with a touch input function is provided on the front surface of the exterior housing 19.
  • the panel fitting portion 22 is configured such that the depth thereof is substantially equal to the thickness dimension of the protection panel 100 with a touch input function, and the outer surface of the protection panel 100 is flush with the surrounding exterior casing.
  • a seamless (stepless) structure can be formed.
  • an opening or recess 23 that is slightly smaller than the bottom is formed on the bottom surface of the panel fitting portion 22, and the display device 20 that is visible from the outside through the transparent window portion 18 is disposed in the opening or recess 23. Is formed for.
  • the protective panel 100 with a touch input function is supported by the opening or the peripheral edge 22a of the recess 23 and fixed by an adhesive or a double-sided tape 24.
  • ⁇ A seamless cellular phone or smartphone equipped with the protection panel 100 with a touch input function is assumed to be used for a long time sitting in a chair in a jeans pocket.
  • the protection panel 100 with a touch input function is mounted on the panel fitting portion 22 of the front exterior casing 19 so that the outer surface thereof is flush with the periphery thereof, the protection with the touch input function is provided. A strong load is applied to the entire outer surface of the panel 100 as in the case of the front exterior casing 19.
  • the movable sheet 2 is pressed in a wide area, and the air between the upper electrode sheet 2 a and the lower electrode panel 3.
  • the cell 15 has high air pressure.
  • the movable sheet 2 after the air has escaped does not return to its original state while being deformed, resulting in a malfunction such as a defective insulation or a Newton ring, resulting in a poor appearance.
  • the present invention has been made in consideration of the above-described problems of the prior art, and has a touch input function for an electronic device display window that does not cause malfunction or appearance failure even when a heavy load is applied to the entire outer surface.
  • a protective panel is provided.
  • a protective panel with a touch input function of an electronic device display window includes a protective panel body made of a resin plate, a lower transparent electrode on the upper surface of a transparent insulating sheet, and a lower circuit provided around the lower transparent electrode.
  • a lower electrode sheet bonded to the upper surface of the protective panel body, an upper transparent electrode provided at a position facing the lower transparent electrode on the lower surface of the transparent insulating sheet, and provided around the upper transparent electrode.
  • the multilayer protective panel is further provided with an air buffer portion provided in a layer concealed by the decorative layer, and the air buffer portion is configured to communicate with an air cell between the transparent electrodes.
  • a recess is formed in a part of a region concealed by the decorative layer of the protection panel body, and the opening surface of the recess is formed by the lower electrode sheet.
  • the air buffer portion can be configured by covering.
  • a through-hole is formed in a portion of the lower electrode sheet that covers the opening surface of the air buffer portion, and the air layer is bonded to the adhesive layer that bonds the peripheral portion of the upper electrode sheet and the lower electrode sheet.
  • An air passage that allows the buffer unit and the air cell to communicate with each other through the through hole may be provided.
  • the protection panel body is configured by bonding a first resin plate and a second resin plate, and the decorative layer of the first resin plate
  • a cylindrical hole is drilled in a part of the concealed region, the upper opening surface of the cylindrical hole is covered with the lower electrode sheet, and the lower opening surface of the cylindrical hole is covered with the second resin plate
  • An air buffer unit is configured.
  • a through-hole is formed in a portion of the lower electrode sheet that covers the air buffer portion, and the air buffer portion and the adhesive layer that bonds the peripheral portion of the upper electrode sheet and the lower electrode sheet
  • An air passage that communicates with the air cell through the through hole may be provided.
  • a cylindrical hole is formed in a part of a region concealed by the decorative layer of the protective panel body, and the upper opening surface of the cylindrical hole is formed on the lower electrode sheet. If the cover tape is affixed to the lower opening surface of the cylindrical hole, the air buffer portion is configured. In this configuration, a through-hole is formed in a portion of the lower electrode sheet that covers the opening surface of the air buffer portion, and the air layer is bonded to the adhesive layer that bonds the peripheral portion of the upper electrode sheet and the lower electrode sheet. An air passage that allows the buffer unit and the air cell to communicate with each other through the through hole may be provided.
  • the cover tape can be made of an elastic material.
  • the protection panel main body has a structure in which a first resin plate and a second resin plate are bonded together, and the first resin plate and the lower electrode sheet are laminated.
  • the air buffer portion is configured.
  • an air passage that allows the air buffer portion and the air cell to communicate with each other can be provided in an adhesive layer that bonds the peripheral portions of the upper electrode sheet and the lower electrode sheet.
  • the protective panel with a touch input function is an air cell between the upper electrode sheet and the lower electrode sheet.
  • the air buffer unit communicating with the air cell is built in, the pressure applied to the air cell can be dispersed. Therefore. Peeling does not easily occur in the adhesive layer that bonds the upper electrode sheet and the lower electrode sheet at the periphery thereof, so that the air in the air cell is not pushed out of the protective panel with touch input function, Appearance defects can be prevented.
  • FIG. 3 is a view corresponding to FIG. 1 showing a second embodiment of the protection panel with a touch input function according to the present invention.
  • FIG. 3 is a view corresponding to FIG. 1 and showing a third embodiment of a protection panel with a touch input function according to the present invention.
  • It is the longitudinal cross-sectional view which comprised the air buffer part with the cover tape provided with elasticity.
  • FIG. 6 is a view corresponding to FIG.
  • FIG. 1 showing a fourth embodiment of a protection panel with a touch input function according to the present invention.
  • It is a principal part longitudinal cross-sectional view which shows the function of the air buffer part which concerns on this invention.
  • It is a disassembled perspective view explaining the structure of the conventional protection panel with a touch input function.
  • (a) is a longitudinal cross-sectional view which shows the state before mounting of the conventional protection panel with a touch input function
  • (b) is a longitudinal cross-sectional view which shows the state after mounting.
  • a protective panel 1 with a touch input function has a lower electrode panel 3 and an upper electrode sheet 2a.
  • the lower electrode panel 3 has a lower transparent electrode 5 formed on the upper surface of a protective panel body made of a resin plate.
  • Lower circuits 7 a and 7 b are formed around the lower transparent electrode 5.
  • An upper transparent electrode 4 is formed at a position facing the lower transparent electrode 5 on the lower surface of the transparent insulating sheet constituting the upper electrode sheet 2a, and upper circuits 6a to 6d, 7c, 7d is formed.
  • the periphery of the lower electrode panel 3 and the upper electrode sheet 2a is bonded, and an air cell is formed between the electrodes 4 and 5.
  • a transparent window 18 is formed on at least one surface (upper surface in this embodiment) of the upper electrode sheet 2a by concealing the lower circuits 7a and 7b and the upper circuits 6a to 6d, 7c and 7d with a pattern 17.
  • a decorative sheet 2b as a decorative layer is provided.
  • a lower electrode sheet 3a having a lower transparent electrode 5 and lower circuits 7a and 7b provided around the lower transparent electrode 5 on the upper surface of the transparent insulating sheet is provided.
  • the one bonded to the upper surface of the protective panel body 3b made of a resin plate is used (see FIG. 2).
  • the thickness of the protective panel body 3b is shown larger than the actual thickness for the purpose of explaining the configuration of the air buffer 34 described later.
  • the material of the resin plate used for the protective panel body 3b for example, engineering plastics such as polycarbonate, polyamide and polyetherketone can be used, and acrylic, polyethylene terephthalate, polybutylene terephthalate, etc. A plastic plate or the like can be used.
  • the thickness of the protective panel body 3b is usually about 0.5 mm to 1.0 mm.
  • engineering plastics such as a polycarbonate type, a polyamide type, or a polyether ketone type, can be used, for example.
  • Polyethylene terephthalate-based or polybutylene terephthalate-based films can be used as a material of the transparent insulation film used for the said lower electrode sheet 3a and the said upper electrode sheet 2a.
  • the lower electrode sheet 3a and the upper electrode sheet 2a are arranged to face each other so as to form a gap between the transparent electrodes 4 and 5, and are bonded at the peripheral edge.
  • the transparent electrodes 4 and 5 are mainly composed of metal oxide films such as tin oxide, indium oxide, antimony oxide, zinc oxide, cadmium oxide, or indium tin oxide (ITO), or these metal oxides.
  • a composite film or a metal film such as gold, silver, copper, tin, nickel, aluminum, or palladium is formed in a rectangular shape by a vacuum deposition method, a sputtering method, an ion plating method, or a CVD method. .
  • a spacer (not shown) is provided between the lower electrode panel 3 and the upper electrode sheet 2a so that the electrodes 4 and 5 provided on the opposing surfaces do not accidentally contact each other. ing.
  • the spacer can be obtained by forming a transparent photocurable resin into fine dots by a photo process. Also, a large number of fine dots can be formed by a printing method to form a spacer.
  • the upper transparent electrode 4 is formed, and is connected as an upper circuit, and is formed of a metal paste such as gold, silver, copper, or nickel, or a conductive paste such as carbon.
  • Bus bars 6a and 6b are formed in parallel.
  • the lower electrode sheet 3a is provided with the lower transparent electrode 5 and strip-shaped bus bars 7a, 7b orthogonal to the bus bars 6a, 6b as lower circuits.
  • the strip-like bus bars 6a, 6b, 7a, 7b can be formed by a printing method such as screen printing, offset printing, gravure printing, or flexographic printing, a photoresist method, or a brush coating method.
  • each bus bar 6a, 6b, 7a, 7b has a circuit extended to the connection part 8 provided in the edge of the upper electrode sheet 2a, and is put together in one place (refer FIG. 1).
  • bus bars 6a and 6b of the upper electrode sheet 2a are extended to the electrode ends 6d and 6c of the connection portion 8, and are extended from the bus bars 7a and 7b of the lower electrode panel 3 as lower circuits 7e and 7f.
  • a conductive adhesive (not shown).
  • Through holes 9a to 9d are formed in the lower electrode panel 3, which is a laminate of the protective panel body 3b and the lower electrode sheet 3a, corresponding to the electrode ends 6c, 7c, 6d, and 7d in the connecting portion 8. Yes.
  • the metal pins 11 to 14 of the FPC (flexible printed wiring board) 10 and the electrode ends 6c, 7c, 6d, and 7d are electrically connected through the through holes 9a to 9d via a conductive adhesive. Yes.
  • the FPC 10 only needs to be able to extract electrical signals from the through-holes 9a to 9d.
  • the FPC 10 has four metal pins corresponding to the through-holes 9a to 9d at the connection side end 10a. 11 to 14 are preferably erected.
  • a commercially available method can be used from the side between the upper electrode sheet 2a and the lower electrode panel 3 as is usually done with a touch panel. It can also be output to the outside by inserting an FPC.
  • a decorative sheet 2b having a transparent window portion 18 is bonded to the surface of the upper electrode sheet 2a.
  • the decorative sheet 2b is, for example, one side of a transparent insulating sheet made of a polycarbonate, polyamide, or polyetherketone engineering plastic, or an acrylic, polyethylene terephthalic, or polybutylene terephthalic film. It is comprised by forming a decoration layer.
  • the decorative layer has a window frame-like pattern 17 so as to conceal the lower circuits 7a and 7b and the upper circuits 6a to 6d, 7c and 7d arranged around the transparent window 18. ing.
  • the area where the pattern 17 is not applied becomes the transparent window 18.
  • a resin such as a polyvinyl resin, a polyamide resin, a polyester resin, a polyacrylic resin, a polyurethane resin, a polyvinyl acetal resin, a polyester urethane resin, or an alkyd resin is used as a binder.
  • Colored inks containing various color pigments or dyes as colorants may be used.
  • a normal printing method such as screen printing, offset printing, gravure printing, or flexographic printing may be used.
  • the offset printing method and the gravure printing method are suitable for performing multicolor printing and gradation expression.
  • the decorative layer may be composed of a metal thin film layer or a combination of a pattern printing layer and a metal thin film layer.
  • the metal thin film layer expresses metallic luster as the decorative layer, and is formed by a vacuum deposition method, a sputtering method, an ion plating method, a plating method, or the like.
  • a metal such as aluminum, nickel, gold, platinum, chromium iron, copper, tin, indium, silver, titanium, lead, or zinc, or an alloy or compound thereof is used depending on the metallic luster color to be expressed. use.
  • the film thickness of the metal thin film layer is generally about 0.05 ⁇ m. Moreover, you may affix a hard coat film on the upper surface of the decorating sheet 2b.
  • a pressure-sensitive adhesive (PSA: Pressure Sensitive Adhesives) 31 may be used for laminating the entire surface of the lower electrode sheet 3a and the protective panel body 3b, and the upper electrode sheet 2a and the decorative sheet 2b.
  • a normal printing method such as screen printing, offset printing, gravure printing, flexographic printing, or the like can be used.
  • an insulating transparent adhesive made of acrylic resin, epoxy resin, phenol resin, vinyl resin or the like is used.
  • a normal printing method such as screen printing, offset printing, gravure printing, or flexographic printing can be used.
  • the basic configuration of the protection panel 1 with a touch input function has been described above, but the features of the protection panel 1 with a touch input function according to the present invention are further hidden by the decorative layer in addition to the basic configuration described above.
  • An air buffer portion is provided, and the air buffer portion is in communication with an air cell between the electrodes.
  • FIG. 2A and 2B are diagrams showing a first embodiment of a protection panel with a touch input function incorporating an air buffer portion, where FIG. 2A is a longitudinal sectional view and FIG. 2B is a plan view thereof.
  • a rectangular tube-shaped recess 33 is formed in a part of a region concealed by the decoration layer on the upper surface of the protective panel main body 3 b in the panel thickness direction.
  • the upper side opening is covered with the lower electrode sheet 3a to form a compartment, whereby the air buffer 34 is configured.
  • a through hole 35 is formed in a portion of the lower electrode sheet 3b covering the air buffer portion 34, and further, a part of the adhesive layer 32 used for bonding the peripheral portions of the electrode sheets 3a and 2a.
  • An air passage 36 is provided for communicating the air buffer portion 34 and the air cell 15 through a through hole 35.
  • the protective panel 1 with a touch input function incorporates the air buffer part 34 concealed by the decorative layer, and the air buffer part 34 communicates with the air cell 15 between the electrodes, thereby providing a touch input function. Even when a strong load is applied to the entire outer surface of the protective panel 1, the pressure applied to the air cell 15 can be dispersed.
  • the protective panel 1 with a touch input function is bonded to the front exterior casing 19 at the peripheral edge, so that the inside of the air cell 15 is interposed between the protection panel 1 with a touch input function and the front exterior casing 19. A space is provided for the air pushed out from the air to move.
  • this method has the disadvantage that the assembly manufacturer must adjust the air pressure during assembly, and the quality of the protection panel 1 with touch input function cannot be guaranteed.
  • the protection panel 1 with a touch input function is built in the air buffer portion 34 as described above.
  • the place where the air buffer part 34 is provided is limited to the area hidden by the pattern 17 of the decorative layer. This is because when the air buffer portion 34 overlaps the transparent window portion 17, the visibility of the display device disposed on the lower side is lowered.
  • the said air buffer part 34 is provided in two places in FIG.2 (b), you may provide only one place and may provide two or more places.
  • the air buffer portion 34 is provided in the design of the protection panel 1 with a touch input function. Even if there is an area that cannot be handled, it can be dealt with.
  • the place where the hole 44 for installing the batch of logo marks is designed is an area where the air buffer portion 34 cannot be provided.
  • areas where the air buffer portion 34 cannot be provided in terms of design include areas for forming speaker holes, ear holes, camera lenses, and the like.
  • the air buffer 34 may be formed in an arbitrary shape, and is not limited to a rectangular shape as shown in FIG. For example, it may be formed in an L shape in order to avoid a speaker hole or the like.
  • the recess 33 constituting the air buffer portion 34 can be formed by drilling from the upper surface of the protective panel body 3b.
  • the air passage 36 is a passage through which gas enters and exits, and as shown in FIG. 8, the shape of the air passage 36 is formed by an adhesive layer non-forming portion 32 b cut out linearly from the inner edge of the window frame-like adhesive layer 32. It is determined.
  • the adhesive layer non-forming portion 32b shown in FIG. 8 is formed perpendicular to the inner edge of the window frame-shaped adhesive layer 32, but is not limited to this, for example, the inner edge of the window frame-shaped adhesive layer 32 It can also be formed obliquely.
  • 32a is a rectangular non-adhesive layer forming portion for forming the air cell 15 between the electrodes
  • 32c is a position corresponding to a hole 44 (see FIG. 2 (b)) for installing a batch of logo marks. This is a portion where the adhesive layer is not formed.
  • FIGS. 3A and 3B are diagrams showing a second embodiment of the protection panel with a touch input function in which the air buffer unit is built in, in which FIG. 3A is a longitudinal sectional view, and FIG. 3B is a plan view thereof.
  • the protective panel body 3 b is configured by bonding a first resin plate 37 and a second resin plate 38, and is hidden by the decorative layer in the first resin plate 37.
  • a cylindrical hole 39 is formed in a part of the region in the panel thickness direction.
  • the upper opening surface of the cylindrical hole 39 is covered with the lower electrode sheet 3a, and the lower opening surface is covered with the second resin plate 38 to form a compartment, whereby the air buffer portion 34 is configured.
  • a portion of the lower electrode sheet 3a that covers the air buffer portion 34 is provided with a through hole 35 in the panel thickness direction.
  • the adhesive layer 32 used for bonding the peripheral edge portion includes the air buffer portion 34 and the electrode.
  • An air passage 36 is provided for communicating the air cell 15 therebetween via the through hole 35.
  • the second resin plate 38 is bonded so as to cover the lower opening surface of the cylindrical hole 39. A recess corresponding to the recess 33 of the first embodiment is obtained.
  • the punching process can be used as the means for forming the cylindrical hole 39, the shape of the air buffer portion 34 as viewed from above can be freely designed.
  • the pressure-sensitive adhesive 31 described above can be used to bond the first resin plate 37 and the second resin plate 38 together.
  • the first resin plate 37 and the second resin plate 38 may be made of the same material or different materials.
  • FIG. 4A and 4B are diagrams showing a third embodiment of a protection panel with a touch input function incorporating an air buffer portion, where FIG. 4A is a longitudinal sectional view and FIG. 4B is a plan view thereof.
  • a cylindrical hole 40 is formed in the thickness direction of the panel in a part of the region concealed by the decorative layer in the protective panel main body 3b.
  • the upper opening surface of the cylindrical hole 40 is covered with the lower electrode sheet 3a, and the cover tape 41 is attached so as to cover the lower opening surface, thereby forming an air chamber portion 34. .
  • a through hole 35 is formed in the lower electrode sheet 3a so as to cover the air buffer portion 34 in the panel thickness direction, and the adhesive layer 32 used for bonding the peripheral edge portion is provided between the air buffer portion 34 and the electrode.
  • An air passage 36 that communicates with the air cell 15 via the through hole 35 is provided.
  • the punching process can be used as the means for forming the cylindrical hole 40, the shape of the air buffer portion 34 viewed from the plane can be freely designed.
  • the entire thickness of the protective panel body 3b can be utilized as the air buffer portion 34.
  • the cover tape 41 may be a tape.
  • the cover tape 41 preferably has elasticity. If the cover tape 41 has elasticity, when air is pushed out from the air cell 15 to the air buffer portion 34, the cover tape 41 swells as shown in FIG. 5, and as a result, the air buffer portion The air storage capacity of 34 can be increased.
  • cover tape 41 having elasticity
  • rubber, vinyl resin or the like can be used as the material of the cover tape 41 having elasticity.
  • FIGS. 6A and 6B are diagrams showing a fourth embodiment of the protection panel with a touch input function incorporating the air buffer portion, where FIG. 6A is a longitudinal sectional view, and FIG. 6B is a plan view thereof.
  • the protective panel main body 3b has a structure in which a first resin plate 37 and a second resin plate 38 are bonded together, and in the laminate of the first resin plate 37 and the lower electrode sheet 3a.
  • the cylindrical hole 39 and the cylindrical hole 42 are formed in a part of the region concealed by the decorative layer in a state where they communicate with each other in the panel thickness direction.
  • the upper opening surface of the cylindrical hole 42 is covered with the upper electrode sheet 2a, and the lower opening surface of the cylindrical hole 39 is covered with the second resin plate 38 to form a compartment. It is configured.
  • the adhesive layer 32 used for bonding the peripheral edge portion is provided with an air passage 36 for communicating the air buffer portion 34 and the air cell 15 between the electrodes.
  • the said structure is similar to 2nd Embodiment, since the part for thickness of the said lower electrode sheet 3a can be utilized for the said air buffer part 34, the capacity
  • the air vent 36 can be the same as that of the first embodiment (see FIG. 8). However, as shown in FIG. Not only the part contributing to the adhesion of the electrode sheet 3a, that is, not only the adhesive layer non-formation part 32b cut out linearly, but also the same range as the cross section of the cylindrical hole 42 is communicated as the adhesion layer non-formation part 32d. be able to.
  • the portion covering the upper opening surface of the cylindrical hole 42 also becomes the adhesive layer non-formed portion 32d, so that the capacity of the air buffer 34 is increased by the thickness of the adhesive layer in that range. Can do.
  • the second resin plate 38 may have a light shielding function.
  • the protection panel 1 with a touch input function is bonded to a display device (not shown) and fitted into the front exterior casing, but it is assumed that light from the display device leaks through the cylindrical holes 39, 42 and the like. Therefore, the light leakage can be prevented by sticking the light shielding sheet 38a to the surface of the second resin plate 38 on the display device side or performing black printing for light shielding. What is necessary is just to make the sticking range of the said light shielding sheet 38a correspond with the formation range of the decoration layer mentioned above.
  • the present invention can be used as a protective panel for a display unit of a portable information terminal, an OA device, a small electronic device, various home appliances, and the like.

Abstract

A protective panel with touch input function for electronic equipment display panels, which will not malfunction or develop appearance defects even when an intense load is exerted on the entire outer surface thereof, is a multilayered protective panel that comprises a protective panel body (3b) made from a resin sheet, a lower transparent electrode on the upper surface of a transparent insulating sheet, and a lower circuit that is disposed on the perimeter of the lower transparent electrode, comprises a lower electrode sheet (3a) that is glued to the upper surface of the protective panel body, an upper transparent electrode that is disposed on the lower surface of the transparent insulating sheet in a position facing the lower transparent electrode, and an upper circuit that is disposed on the perimeter of the upper transparent electrode, and comprisesan upper electrode sheet (2a) with edges adhered to the lower electrode sheet so as to form an air cell (15) between the transparent electrodes, a decorative layer, which is formed on at least one surface of the transparent insulating sheet to obscure the lower circuit and the upper circuit, a transparent screen on the inside of that decorative layer, and a decorative sheet (2b) that is glued to the upper surface of the upper electrode sheet, and which is further characterized by disposing an air buffer (34) in the layer that is obscured by the decorative layer, and connecting the air buffer (34) to the air cell between the transparent electrodes.

Description

電子機器表示窓のタッチ入力機能付き保護パネルProtection panel with touch input function for electronic device display window
　本発明は、ＰＤＡ（Personal Digital Assistant），ハンディターミナルなどの携帯情報端末、コピー機，ファクシミリなどＯＡ機器、スマートフォン、携帯電話機、携帯ゲーム機器、電子辞書、カーナビシステム、小型ＰＣ、各種家電品等に適用される保護パネルに関し、前面全体に強い負荷がかかっても回路の機能不良や外観不良が生じない電子機器表示窓のタッチ入力機能付き保護パネルに関するものである。 The present invention is applied to PDAs (Personal Digital Assistants), portable information terminals such as handy terminals, OA devices such as copiers and facsimiles, smartphones, mobile phones, portable game devices, electronic dictionaries, car navigation systems, small PCs, various home appliances, and the like. The present invention relates to a protective panel with a touch input function for an electronic device display window that does not cause circuit malfunction or appearance failure even when a strong load is applied to the entire front surface.
　携帯電話機、スマートフォン等の電子機器における前面外装筐体は、合成樹脂製の前面外装筐体と背面外装筐体を組み合わせて構成されたものが一般的である。具体的には、前面外装筐体の表面には液晶表示窓を保護するために保護パネルが融着等により固定されている。そして、この保護パネルは、従来、無色透明な樹脂パネルが用いられてきたが、電子機器のファッション化に伴い、印刷にて縁取り等の加飾が施されるようになってきている。 Generally, a front exterior casing in an electronic device such as a mobile phone or a smartphone is configured by combining a front exterior casing and a rear exterior casing made of synthetic resin. Specifically, a protective panel is fixed to the surface of the front exterior casing by fusion or the like in order to protect the liquid crystal display window. Conventionally, a colorless and transparent resin panel has been used as the protective panel. However, with the trend toward fashion of electronic devices, decoration such as bordering has been applied by printing.
　また、近年、携帯電話機における次なるインターフェイスとして、図１１に示すような保護パネルに入力デバイス機能を備えたタッチ入力機能付き保護パネル１００が期待されており、例えば、特許文献１などに開示されている。 In recent years, as a next interface in a mobile phone, a protection panel 100 with a touch input function in which a protection panel as shown in FIG. 11 has an input device function is expected, and disclosed in, for example, Patent Document 1 and the like. Yes.
　前記タッチ入力機能付き保護パネル１００はディスプレイ装置２０の前面に配置されて前面外装筐体１９に嵌め込まれるようになっており、電子機器表示窓用として使用されるようになっている。 The protective panel 100 with a touch input function is arranged on the front surface of the display device 20 and is fitted into the front exterior casing 19, and is used for an electronic device display window.
　電子機器表示窓のタッチ入力機能付き保護パネル１００について、図１２の分解図を用いて更に詳しく説明する。 The protection panel 100 with a touch input function of the electronic device display window will be described in more detail with reference to the exploded view of FIG.
　同図において、タッチ入力機能付き保護パネル１００は下部電極パネル３と上部電極シート２ａと加飾シート２ｂとから構成されている。 In the figure, the protection panel 100 with a touch input function is composed of a lower electrode panel 3, an upper electrode sheet 2a, and a decorative sheet 2b.
　下部電極パネル３は、保護パネル本体の上面に下部透明電極５を有しその下部透明電極５の周囲に下部回路７ａ，７ｂが設けられている。 The lower electrode panel 3 has a lower transparent electrode 5 on the upper surface of the protective panel body, and lower circuits 7 a and 7 b are provided around the lower transparent electrode 5.
　上部電極シート２ａは、透明絶縁シートの下面に前記下部透明電極５に対向する位置に上部透明電極４を有し、その上部透明電極４の周囲に上部回路６ａ～６ｄ，７ｃ，７ｄが設けられている。 The upper electrode sheet 2a has an upper transparent electrode 4 at a position facing the lower transparent electrode 5 on the lower surface of the transparent insulating sheet, and upper circuits 6a to 6d, 7c and 7d are provided around the upper transparent electrode 4. ing.
　また、上部電極シート２ａの電極と前記下部電極パネル３との間に空気セルが形成されるようにして上部電極シート２ａと下部電極パネル３の周縁部が接着されており、さらに透明絶縁シートの少なくとも一方の面に加飾層を有する加飾シート２ｂが形成されている。 Further, the periphery of the upper electrode sheet 2a and the lower electrode panel 3 is bonded so that an air cell is formed between the electrode of the upper electrode sheet 2a and the lower electrode panel 3, and the transparent insulating sheet A decorative sheet 2b having a decorative layer is formed on at least one surface.
　前記加飾シート２ｂは前記上部電極シート２ａの上面に貼り合わされるようになっており、その絵柄１７は、前記下部回路７ａ，７ｂ及び前記上部回路６ａ～６ｄ，７ｃ，７ｄを隠蔽して透明窓部１８を形成するようになっている。 The decorative sheet 2b is bonded to the upper surface of the upper electrode sheet 2a, and the pattern 17 is transparent so as to hide the lower circuits 7a and 7b and the upper circuits 6a to 6d, 7c and 7d. A window portion 18 is formed.
　このように構成されたタッチ入力機能付き保護パネル１００は、指やペン等で前記加飾シート２ｂ表面を点で押圧すると、前記加飾シート２ｂは前記上部電極シート２ａと一体となって前記押圧点を中心に下方に撓み、その結果、前記上部電極シート２ａ及び下部電極パネル３の内面に形成された各透明電極４および５が接触することによって入力位置が検出される。 When the protection panel 100 with a touch input function configured as described above is pressed against the surface of the decorative sheet 2b with a finger or a pen, the decorative sheet 2b is integrated with the upper electrode sheet 2a. The input position is detected when the transparent electrodes 4 and 5 formed on the inner surfaces of the upper electrode sheet 2a and the lower electrode panel 3 come into contact with each other.
　図１３は、外装筐体の前面に対するタッチ入力機能付き保護パネル１００の実装例を示した断面図であり、同図(ａ)はタッチ入力機能付き保護パネル実装前の状態を示し、同図(ｂ)は実装後の状態を示している。 FIG. 13 is a cross-sectional view showing an example of mounting the protection panel 100 with a touch input function on the front surface of the exterior housing. FIG. 13 (a) shows a state before mounting the protection panel with a touch input function. b) shows a state after mounting.
　図１３(ａ)に示すように、外装筐体１９の前面には、タッチ入力機能付き保護パネル１００を嵌め込むためのパネル嵌め込み部２２が設けられている。パネル嵌め込み部２２は、その深さが、ほぼタッチ入力機能付き保護パネル１００の厚み寸法に等しくなるように構成されており、その保護パネル１００の外表面がその周囲の外装筐体と同一平面を形成するシームレス（段差のない）構造をとることができる。 As shown in FIG. 13A, a panel fitting portion 22 for fitting the protection panel 100 with a touch input function is provided on the front surface of the exterior housing 19. The panel fitting portion 22 is configured such that the depth thereof is substantially equal to the thickness dimension of the protection panel 100 with a touch input function, and the outer surface of the protection panel 100 is flush with the surrounding exterior casing. A seamless (stepless) structure can be formed.
　また、パネル嵌め込み部２２の底面には当該底面より一回り小さい開口又は凹部２３が形成されており、この開口または凹部２３は、前記透明窓部１８を通して外部から視認可能なディスプレイ装置２０を配置するために形成されている。 Further, an opening or recess 23 that is slightly smaller than the bottom is formed on the bottom surface of the panel fitting portion 22, and the display device 20 that is visible from the outside through the transparent window portion 18 is disposed in the opening or recess 23. Is formed for.
　図１３(ｂ)に示すように、実装状態では前記開口または凹部２３の周縁２２ａによって、タッチ入力機能付き保護パネル１００が支持されるとともに、接着剤又は両面テープ２４によって固定されている。 As shown in FIG. 13B, in the mounted state, the protective panel 100 with a touch input function is supported by the opening or the peripheral edge 22a of the recess 23 and fixed by an adhesive or a double-sided tape 24.
再公表特許ＷＯ２００５／０６４４５１Republished patent WO2005 / 064451
　このタッチ入力機能付き保護パネル１００を搭載したシームレス構造の携帯電話機やスマートフォン等は、ジーンズの尻ポケットに入れられた状態で長時間椅子に座るような使用形態が想定される。 ¡A seamless cellular phone or smartphone equipped with the protection panel 100 with a touch input function is assumed to be used for a long time sitting in a chair in a jeans pocket.
　その場合、タッチ入力機能付き保護パネル１００は、前面外装筐体１９のパネル嵌め込み部２２に、その外側面がその周囲と同一平面を形成するように実装されているため、当該タッチ入力機能付き保護パネル１００の外表面全体にも前面外装筐体１９と同様に強い負荷がかかることになる。 In that case, since the protection panel 100 with a touch input function is mounted on the panel fitting portion 22 of the front exterior casing 19 so that the outer surface thereof is flush with the periphery thereof, the protection with the touch input function is provided. A strong load is applied to the entire outer surface of the panel 100 as in the case of the front exterior casing 19.
　図１０に示すように、タッチ入力機能付き保護パネル１００の外表面全体に強い負荷４３がかかると、可動シート２が広域面で押圧され、上部電極シート２ａと下部電極パネル３との間の空気セル１５は空気圧が高くなる。 As shown in FIG. 10, when a strong load 43 is applied to the entire outer surface of the protection panel 100 with a touch input function, the movable sheet 2 is pressed in a wide area, and the air between the upper electrode sheet 2 a and the lower electrode panel 3. The cell 15 has high air pressure.
　その結果、上部電極シート２ａと下部電極パネル３を周縁部で接着している接着層３２に剥がれが発生し、空気セル内にあった空気がタッチ入力機能付き保護パネル１００の外に押し出されることがある（図中の黒矢印は押し出される空気を示す）。 As a result, peeling occurs in the adhesive layer 32 that bonds the upper electrode sheet 2a and the lower electrode panel 3 at the peripheral edge, and the air in the air cell is pushed out of the protective panel 100 with a touch input function. (The black arrow in the figure indicates the air to be pushed out).
　そして、空気の抜けた後の可動シート２は変形したまま元の状態に戻らなくなり、絶縁不良などの機能不良が生じたり、ニュートンリングが発生して外観不良となる。 Then, the movable sheet 2 after the air has escaped does not return to its original state while being deformed, resulting in a malfunction such as a defective insulation or a Newton ring, resulting in a poor appearance.
　本発明は、以上のような従来技術の課題を考慮してなされたものであり、外表面全体に強い負荷がかかっても機能不良や外観不良の発生のない電子機器表示窓のタッチ入力機能付き保護パネルを提供するものである。 The present invention has been made in consideration of the above-described problems of the prior art, and has a touch input function for an electronic device display window that does not cause malfunction or appearance failure even when a heavy load is applied to the entire outer surface. A protective panel is provided.
　本発明に係る電子機器表示窓のタッチ入力機能付き保護パネルは、樹脂板からなる保護パネル本体と、透明絶縁シートの上面に下部透明電極と当該下部透明電極の周囲に設けられた下部回路とを有し、前記保護パネル本体の上面に貼り合わされた下部電極シートと、透明絶縁シートの下面に前記下部透明電極に対向する位置に設けられた上部透明電極と当該上部透明電極の周囲に設けられた上部回路とを有し前記透明電極間に空気セルを形成するように前記下部電極シートに対し周縁部が接着された上部電極シートと、透明絶縁シートの少なくとも一方の面に、前記下部回路および前記上部回路を隠蔽するように加飾層が形成されるとともにその加飾層の内側に透明窓部を有し、前記上部電極シートの上面に貼り合わされる加飾シートとを備えた多層保護パネルであって、さらに、前記加飾層にて隠蔽される層にエアバッファ部が設けられ、当該エアバッファ部が前記透明電極間の空気セルと連通するように構成したことを要旨とする。 A protective panel with a touch input function of an electronic device display window according to the present invention includes a protective panel body made of a resin plate, a lower transparent electrode on the upper surface of a transparent insulating sheet, and a lower circuit provided around the lower transparent electrode. A lower electrode sheet bonded to the upper surface of the protective panel body, an upper transparent electrode provided at a position facing the lower transparent electrode on the lower surface of the transparent insulating sheet, and provided around the upper transparent electrode. An upper electrode sheet having an upper circuit and a peripheral edge bonded to the lower electrode sheet so as to form an air cell between the transparent electrodes, and at least one surface of the transparent insulating sheet, the lower circuit and the A decorative layer is formed so as to conceal the upper circuit, and there is a transparent window inside the decorative layer, and a decorative sheet that is bonded to the upper surface of the upper electrode sheet The multilayer protective panel is further provided with an air buffer portion provided in a layer concealed by the decorative layer, and the air buffer portion is configured to communicate with an air cell between the transparent electrodes. And
　また、本発明のタッチ入力機能付き保護パネルにおいて、前記保護パネル本体の前記加飾層にて隠蔽される領域の一部に凹所を形成し、前記凹所の開口面を前記下部電極シートで覆うことにより前記エアバッファ部が構成することができる。この構成では、前記下部電極シートの前記エアバッファ部の開口面を覆う部分に貫通孔を穿設し、前記上部電極シートと前記下部電極シートの周縁部を接着している接着層に、前記エアバッファ部と前記空気セルとを前記貫通孔を介して連通させるエア通路を備えることができる。 Further, in the protection panel with a touch input function of the present invention, a recess is formed in a part of a region concealed by the decorative layer of the protection panel body, and the opening surface of the recess is formed by the lower electrode sheet. The air buffer portion can be configured by covering. In this configuration, a through-hole is formed in a portion of the lower electrode sheet that covers the opening surface of the air buffer portion, and the air layer is bonded to the adhesive layer that bonds the peripheral portion of the upper electrode sheet and the lower electrode sheet. An air passage that allows the buffer unit and the air cell to communicate with each other through the through hole may be provided.
　また、本発明のタッチ入力機能付き保護パネルにおいて、前記保護パネル本体を第一の樹脂板と第二の樹脂板とを貼り合わせた構成とし、当該第一の樹脂板の前記加飾層にて隠蔽される領域の一部に筒孔を穿設し、当該筒孔の上側開口面を前記下部電極シートで覆い、前記筒孔の下側開口面を前記第二の樹脂板で覆うと、前記エアバッファ部が構成される。この構成では、前記下部電極シートの前記エアバッファ部を覆う部分に貫通孔を穿設し、前記上部電極シートと前記下部電極シートの周縁部を接着している接着層に、前記エアバッファ部と前記空気セルとを前記貫通孔を介して連通させるエア通路を備えることができる。 Moreover, in the protection panel with a touch input function of the present invention, the protection panel body is configured by bonding a first resin plate and a second resin plate, and the decorative layer of the first resin plate When a cylindrical hole is drilled in a part of the concealed region, the upper opening surface of the cylindrical hole is covered with the lower electrode sheet, and the lower opening surface of the cylindrical hole is covered with the second resin plate, An air buffer unit is configured. In this configuration, a through-hole is formed in a portion of the lower electrode sheet that covers the air buffer portion, and the air buffer portion and the adhesive layer that bonds the peripheral portion of the upper electrode sheet and the lower electrode sheet An air passage that communicates with the air cell through the through hole may be provided.
　また、本発明のタッチ入力機能付き保護パネルにおいて、前記保護パネル本体の前記加飾層にて隠蔽される領域の一部に筒孔を形成し、当該筒孔の上側開口面を前記下部電極シートで覆うとともに、前記筒孔の下側開口面にカバーテープを貼り付ければ、前記エアバッファ部が構成される。この構成では、前記下部電極シートの前記エアバッファ部の開口面を覆う部分に貫通孔を穿設し、前記上部電極シートと前記下部電極シートの周縁部を接着している接着層に、前記エアバッファ部と前記空気セルとを前記貫通孔を介して連通させるエア通路を備えることができる。 Further, in the protection panel with a touch input function of the present invention, a cylindrical hole is formed in a part of a region concealed by the decorative layer of the protective panel body, and the upper opening surface of the cylindrical hole is formed on the lower electrode sheet. If the cover tape is affixed to the lower opening surface of the cylindrical hole, the air buffer portion is configured. In this configuration, a through-hole is formed in a portion of the lower electrode sheet that covers the opening surface of the air buffer portion, and the air layer is bonded to the adhesive layer that bonds the peripheral portion of the upper electrode sheet and the lower electrode sheet. An air passage that allows the buffer unit and the air cell to communicate with each other through the through hole may be provided.
　また、前記カバーテープを用いる構成では、前記カバーテープを、弾性を有する材料で構成することができる。 In the configuration using the cover tape, the cover tape can be made of an elastic material.
　また、本発明のタッチ入力機能付き保護パネルにおいて、前記保護パネル本体を第一の樹脂板と第二の樹脂板とを貼り合わせた構成とし、前記第一の樹脂板と前記下部電極シートの積層体において前記加飾層にて隠蔽される領域の一部に前記エアバッファ部としての筒孔を形成し、当該筒孔の上側開口面を前記上部電極シートで覆い、前記筒孔の下側開口面を前記第二の樹脂板で覆うと、前記エアバッファ部が構成される。この構成では、前記上部電極シートと前記下部電極シートの周縁部を接着している接着層に、前記エアバッファ部と前記空気セルとを連通させるエア通路を備えることができる。 Further, in the protection panel with a touch input function of the present invention, the protection panel main body has a structure in which a first resin plate and a second resin plate are bonded together, and the first resin plate and the lower electrode sheet are laminated. Forming a cylindrical hole as the air buffer part in a part of the body concealed by the decorative layer, covering the upper opening surface of the cylindrical hole with the upper electrode sheet, and opening the lower side of the cylindrical hole; When the surface is covered with the second resin plate, the air buffer portion is configured. In this configuration, an air passage that allows the air buffer portion and the air cell to communicate with each other can be provided in an adhesive layer that bonds the peripheral portions of the upper electrode sheet and the lower electrode sheet.
　本発明に従えば、タッチ入力機能付き保護パネルの外表面全体に強い負荷がかかったときでも、本発明に係るタッチ入力機能付き保護パネルは、上部電極シートと下部電極シートとの間の空気セルとは別に当該空気セルと連通するエアバッファ部を内蔵しているため、前記空気セルにかかる圧力を分散させることができる。したがって。上部電極シートと下部電極シートをそれらの周縁部で接着している接着層に剥がれが発生し難くなり、空気セル内の空気がタッチ入力機能付き保護パネルの外に押し出されることなく、機能不良や外観不良の発生を防止することができる。 According to the present invention, even when a heavy load is applied to the entire outer surface of the protective panel with a touch input function, the protective panel with a touch input function according to the present invention is an air cell between the upper electrode sheet and the lower electrode sheet. In addition, since the air buffer unit communicating with the air cell is built in, the pressure applied to the air cell can be dispersed. Therefore. Peeling does not easily occur in the adhesive layer that bonds the upper electrode sheet and the lower electrode sheet at the periphery thereof, so that the air in the air cell is not pushed out of the protective panel with touch input function, Appearance defects can be prevented.
本発明に係るタッチ入力機能付き保護パネルの構成を説明する分解斜視図である。It is a disassembled perspective view explaining the structure of the protection panel with a touch input function which concerns on this invention. 本発明に係るタッチ入力機能付き保護パネルの第１実施形態を示す図であり、(ａ)は縦断面図、(ｂ)は平面図である。It is a figure which shows 1st Embodiment of the protection panel with a touch input function which concerns on this invention, (a) is a longitudinal cross-sectional view, (b) is a top view. 本発明に係るタッチ入力機能付き保護パネルの第２実施形態を示す、図１相当図である。FIG. 3 is a view corresponding to FIG. 1 showing a second embodiment of the protection panel with a touch input function according to the present invention. 本発明に係るタッチ入力機能付き保護パネルの第３実施形態を示す、図１相当図である。FIG. 3 is a view corresponding to FIG. 1 and showing a third embodiment of a protection panel with a touch input function according to the present invention. 弾性を備えたカバーテープでエアバッファ部を構成した縦断面図である。It is the longitudinal cross-sectional view which comprised the air buffer part with the cover tape provided with elasticity. 本発明に係るタッチ入力機能付き保護パネルの第４実施形態を示す、図１相当図である。FIG. 6 is a view corresponding to FIG. 1 showing a fourth embodiment of a protection panel with a touch input function according to the present invention. 本発明に係るエアバッファ部の働きを示す要部縦断面図である。It is a principal part longitudinal cross-sectional view which shows the function of the air buffer part which concerns on this invention. 本発明に係るエア通路の実施例を示す平面図である。It is a top view which shows the Example of the air path which concerns on this invention. 本発明に係るエア通路の別の実施例を示す平面図である。It is a top view which shows another Example of the air path which concerns on this invention. 従来技術に係るタッチ入力機能付き保護パネルの問題点を示す要部縦断面図である。It is a principal part longitudinal cross-sectional view which shows the problem of the protection panel with a touch input function which concerns on a prior art. タッチ入力機能付き保護パネルを実装する電子機器を説明する分解斜視図である。It is a disassembled perspective view explaining the electronic device which mounts the protection panel with a touch input function. 従来のタッチ入力機能付き保護パネルの構成を説明する分解斜視図である。It is a disassembled perspective view explaining the structure of the conventional protection panel with a touch input function. (ａ)は従来のタッチ入力機能付き保護パネルの実装前の状態を示す縦断面図、(ｂ)は実装後の状態を示す縦断面図である。(a) is a longitudinal cross-sectional view which shows the state before mounting of the conventional protection panel with a touch input function, (b) is a longitudinal cross-sectional view which shows the state after mounting.
　以下、図面に示した実施の形態に基づいて本発明を詳細に説明する。 Hereinafter, the present invention will be described in detail based on the embodiments shown in the drawings.
　本発明に係る電子機器表示窓のタッチ入力機能付き保護パネル１の基本構成について、図１を用いて説明する。 The basic configuration of the protection panel 1 with a touch input function of the electronic device display window according to the present invention will be described with reference to FIG.
　同図において、タッチ入力機能付き保護パネル１は、下部電極パネル３と上部電極シート２ａとを有し、下部電極パネル３は、樹脂板からなる保護パネル本体の上面に下部透明電極５が形成され当該下部透明電極５の周囲に下部回路７ａ，７ｂが形成されている。 In the figure, a protective panel 1 with a touch input function has a lower electrode panel 3 and an upper electrode sheet 2a. The lower electrode panel 3 has a lower transparent electrode 5 formed on the upper surface of a protective panel body made of a resin plate. Lower circuits 7 a and 7 b are formed around the lower transparent electrode 5.
　上部電極シート２ａを構成している透明絶縁シートの下面において前記下部透明電極５に対向する位置には上部透明電極４が形成され、当該上部透明電極４の周囲に上部回路６ａ～６ｄ，７ｃ，７ｄが形成されている。 An upper transparent electrode 4 is formed at a position facing the lower transparent electrode 5 on the lower surface of the transparent insulating sheet constituting the upper electrode sheet 2a, and upper circuits 6a to 6d, 7c, 7d is formed.
　前記下部電極パネル３と上部電極シート２ａは周縁部が接着されており、両電極４，５間に空気セルを形成するようになっている。 The periphery of the lower electrode panel 3 and the upper electrode sheet 2a is bonded, and an air cell is formed between the electrodes 4 and 5.
　上部電極シート２ａの少なくとも一方の面（本実施形態では上面）には、前記下部回路７ａ，７ｂ及び前記上部回路６ａ～６ｄ，７ｃ，７ｄを絵柄１７で隠蔽して透明窓部１８を形成する加飾層としての加飾シート２ｂが備えられている。 A transparent window 18 is formed on at least one surface (upper surface in this embodiment) of the upper electrode sheet 2a by concealing the lower circuits 7a and 7b and the upper circuits 6a to 6d, 7c and 7d with a pattern 17. A decorative sheet 2b as a decorative layer is provided.
　なお、本実施形態においては、前記下部電極パネル３として、透明絶縁シートの上面に下部透明電極５と当該下部透明電極５の周囲に設けられた下部回路７ａ，７ｂとを有する下部電極シート３ａを、樹脂板からなる保護パネル本体３ｂの上面に貼り合わされたものを用いる（図２参照）。 In the present embodiment, as the lower electrode panel 3, a lower electrode sheet 3a having a lower transparent electrode 5 and lower circuits 7a and 7b provided around the lower transparent electrode 5 on the upper surface of the transparent insulating sheet is provided. The one bonded to the upper surface of the protective panel body 3b made of a resin plate is used (see FIG. 2).
　なお、図２では、後述するエアバッファ部３４の構成を説明する都合上、保護パネル本体３ｂの厚みを実際よりも大きく表している。 In FIG. 2, the thickness of the protective panel body 3b is shown larger than the actual thickness for the purpose of explaining the configuration of the air buffer 34 described later.
　前記保護パネル本体３ｂに用いる樹脂板の材質としては、例えば、ポリカーボネート系，ポリアミド系，ポリエーテルケトン系などのエンジニアリングプラスチックを用いることができ、また、アクリル系，ポリエチレンテレフタレート系，ポリブチレンテレフタレート系などのプラスチック板などを用いることができる。前記保護パネル本体３ｂの厚みは、通常０．５ｍｍ～１．０ｍｍ程度である。 As the material of the resin plate used for the protective panel body 3b, for example, engineering plastics such as polycarbonate, polyamide and polyetherketone can be used, and acrylic, polyethylene terephthalate, polybutylene terephthalate, etc. A plastic plate or the like can be used. The thickness of the protective panel body 3b is usually about 0.5 mm to 1.0 mm.
　また、前記下部電極シート３ａ及び前記上部電極シート２ａに用いる透明絶縁フィルムの材質としては、例えば、ポリカーボネート系、ポリアミド系、若しくはポリエーテルケトン系などのエンジニアリングプラスチックを用いることができ、また、アクリル系、ポリエチレンテレフタレート系、又は、ポリブチレンテレフタレート系などのフィルムを用いることができる。 Moreover, as a material of the transparent insulation film used for the said lower electrode sheet 3a and the said upper electrode sheet 2a, engineering plastics, such as a polycarbonate type, a polyamide type, or a polyether ketone type, can be used, for example. Polyethylene terephthalate-based or polybutylene terephthalate-based films can be used.
　前記下部電極シート３ａと前記上部電極シート２ａとは、前記透明電極４，５間に隙間を形成するように対向配置され、周縁部で接着されている。 The lower electrode sheet 3a and the upper electrode sheet 2a are arranged to face each other so as to form a gap between the transparent electrodes 4 and 5, and are bonded at the peripheral edge.
　前記透明電極４，５としては、酸化錫、酸化インジウム、酸化アンチモン、酸化亜鉛、酸化カドミウム、若しくは、インジウムチンオキサイド（ＩＴＯ）などの金属酸化物膜、又は、これらの金属酸化物を主体とする複合膜、又は、金、銀、銅、錫、ニッケル、アルミニウム、若しくは、パラジウムなどの金属膜等が真空蒸着法、スパッタリング法、イオンプレーティング法、若しくは、ＣＶＤ法によって矩形状に形成されている。 The transparent electrodes 4 and 5 are mainly composed of metal oxide films such as tin oxide, indium oxide, antimony oxide, zinc oxide, cadmium oxide, or indium tin oxide (ITO), or these metal oxides. A composite film or a metal film such as gold, silver, copper, tin, nickel, aluminum, or palladium is formed in a rectangular shape by a vacuum deposition method, a sputtering method, an ion plating method, or a CVD method. .
　また、前記下部電極パネル３と前記上部電極シート２ａとの間には図示しないスペーサーが設けられており、それぞれの対向面に設けられている両電極４，５が誤って接触しないように構成されている。 In addition, a spacer (not shown) is provided between the lower electrode panel 3 and the upper electrode sheet 2a so that the electrodes 4 and 5 provided on the opposing surfaces do not accidentally contact each other. ing.
　前記スペーサーとしては、透明な光硬化型樹脂をフォトプロセスで微細なドット状に形成して得ることができる。また、印刷法により微細なドットを多数形成してスペーサーとすることもできる。 The spacer can be obtained by forming a transparent photocurable resin into fine dots by a photo process. Also, a large number of fine dots can be formed by a printing method to form a spacer.
　前記上部電極シート２ａには前記上部透明電極４が形成され、上部回路として接続される、金、銀、銅、若しくは、ニッケルなどの金属、あるいはカーボンなどの導電性を有するペーストを用いた帯状のバスバー６ａ，６ｂが平行に形成されている。 In the upper electrode sheet 2a, the upper transparent electrode 4 is formed, and is connected as an upper circuit, and is formed of a metal paste such as gold, silver, copper, or nickel, or a conductive paste such as carbon. Bus bars 6a and 6b are formed in parallel.
　また、前記下部電極シート３ａには前記下部透明電極５と、下部回路として前記バスバー６ａ，６ｂに直交する帯状のバスバー７ａ，７ｂが形成されている。 The lower electrode sheet 3a is provided with the lower transparent electrode 5 and strip-shaped bus bars 7a, 7b orthogonal to the bus bars 6a, 6b as lower circuits.
　前記帯状のバスバー６ａ，６ｂ，７ａ，７ｂは、スクリーン印刷、オフセット印刷、グラビア印刷、若しくはフレキソ印刷などの印刷法、フォトレジスト法、又は、刷毛塗法などによって形成することができる。 The strip- like bus bars 6a, 6b, 7a, 7b can be formed by a printing method such as screen printing, offset printing, gravure printing, or flexographic printing, a photoresist method, or a brush coating method.
　なお、各バスバー６ａ，６ｂ，７ａ，７ｂは上部電極シート２ａの縁部に設けられた接続部８まで回路が延設されて１箇所にまとめられている（図１参照）。 In addition, each bus bar 6a, 6b, 7a, 7b has a circuit extended to the connection part 8 provided in the edge of the upper electrode sheet 2a, and is put together in one place (refer FIG. 1).
　詳しくは、前記上部電極シート２ａの各バスバー６ａ，６ｂは接続部８の電極端６ｄ，６ｃまで延長され、前記下部電極パネル３の各バスバー７ａ，７ｂから下部回路として延長された部分７ｅ，７ｆは、前記電極端６ｄ，６ｃと並んで前記上部電極シート２ａの接続部８に形成された電極端７ｃ，７ｄに対し、図示しない導電性接着剤にて接続される。 Specifically, the bus bars 6a and 6b of the upper electrode sheet 2a are extended to the electrode ends 6d and 6c of the connection portion 8, and are extended from the bus bars 7a and 7b of the lower electrode panel 3 as lower circuits 7e and 7f. Are connected to the electrode ends 7c, 7d formed in the connection portion 8 of the upper electrode sheet 2a along with the electrode ends 6d, 6c by a conductive adhesive (not shown).
　この接続部８における各電極端６ｃ，７ｃ，６ｄ，７ｄに対応して前記保護パネル本体３ｂと前記下部電極シート３ａの積層体である下部電極パネル３には貫通孔９ａ～９ｄが形成されている。 Through holes 9a to 9d are formed in the lower electrode panel 3, which is a laminate of the protective panel body 3b and the lower electrode sheet 3a, corresponding to the electrode ends 6c, 7c, 6d, and 7d in the connecting portion 8. Yes.
　さらに、これらの貫通孔９ａ～９ｄから導電性接着剤を介し、ＦＰＣ（フレキシブルプリント配線板）１０の金属ピン１１～１４と前記電極端６ｃ，７ｃ，６ｄ，７ｄとを導通させるようになっている。 Further, the metal pins 11 to 14 of the FPC (flexible printed wiring board) 10 and the electrode ends 6c, 7c, 6d, and 7d are electrically connected through the through holes 9a to 9d via a conductive adhesive. Yes.
　前記ＦＰＣ１０としては、貫通孔９ａ～９ｄ部分から電気信号を取り出すことができればよいが、上記したように、ＦＰＣ１０の接続側端部１０ａに、貫通孔９ａ～９ｄに対応して４本の金属ピン１１～１４を立設させることが好ましい。 The FPC 10 only needs to be able to extract electrical signals from the through-holes 9a to 9d. As described above, the FPC 10 has four metal pins corresponding to the through-holes 9a to 9d at the connection side end 10a. 11 to 14 are preferably erected.
　さらに、電気信号の取り出し方法としては、前記下部電極パネル３の裏面から取り出す以外に、タッチパネルで通常行なわれているように前記上部電極シート２ａおよび前記下部電極パネル３の間に側方より市販のＦＰＣを挿入することによって外部に出力することもできる。 Furthermore, as a method for taking out an electric signal, in addition to taking out from the back surface of the lower electrode panel 3, a commercially available method can be used from the side between the upper electrode sheet 2a and the lower electrode panel 3 as is usually done with a touch panel. It can also be output to the outside by inserting an FPC.
　また、前記上部電極シート２ａ表面には、透明窓部１８を有する加飾シート２ｂが貼り合わせられている。 Further, a decorative sheet 2b having a transparent window portion 18 is bonded to the surface of the upper electrode sheet 2a.
　当該加飾シート２ｂは、例えばポリカーボネート系、ポリアミド系、若しくは、ポリエーテルケトン系のエンジニアリングプラスチック、またはアクリル系、ポリエチレンテレフタール系、若しくは、ポリブチレンテレフタール系などのフィルムからなる透明絶縁シートの片面に加飾層を形成することによって構成されている。 The decorative sheet 2b is, for example, one side of a transparent insulating sheet made of a polycarbonate, polyamide, or polyetherketone engineering plastic, or an acrylic, polyethylene terephthalic, or polybutylene terephthalic film. It is comprised by forming a decoration layer.
　その加飾層は窓枠状の模様１７を有し、透明窓部１８の周囲に配置されている前記下部回路７ａ，７ｂ及び前記上部回路６ａ～６ｄ，７ｃ，７ｄなどを隠蔽するようになっている。 The decorative layer has a window frame-like pattern 17 so as to conceal the lower circuits 7a and 7b and the upper circuits 6a to 6d, 7c and 7d arranged around the transparent window 18. ing.
　前記模様１７の施されていない範囲が透明窓部１８となる。 The area where the pattern 17 is not applied becomes the transparent window 18.
　前記加飾層としては、ポリビニル系樹脂、ポリアミド系樹脂、ポリエステル系樹脂、ポリアクリル系樹脂、ポリウレタン系樹脂、ポリビニルアセタール系樹脂、ポリエステルウレタン系樹脂、若しくは、アルキド樹脂などの樹脂をバインダーとし、適切な色の顔料又は染料を着色剤として含有する着色インキを用いるとよい。 As the decorative layer, a resin such as a polyvinyl resin, a polyamide resin, a polyester resin, a polyacrylic resin, a polyurethane resin, a polyvinyl acetal resin, a polyester urethane resin, or an alkyd resin is used as a binder. Colored inks containing various color pigments or dyes as colorants may be used.
　前記加飾層の形成方法としては、スクリーン印刷、オフセット印刷、グラビア印刷、若しくは、フレキソ印刷などの通常印刷法などを用いるとよい。特に、多色刷りや階調表現を行うには、オフセット印刷法やグラビア印刷法が適している。 As a method for forming the decorative layer, a normal printing method such as screen printing, offset printing, gravure printing, or flexographic printing may be used. In particular, the offset printing method and the gravure printing method are suitable for performing multicolor printing and gradation expression.
　また、前記加飾層は、金属薄膜層からなるもの、あるいは絵柄印刷層と金属薄膜層との組み合わせからなるものでもよい。金属薄膜層は、前記加飾層として金属光沢を表現するものであり、真空蒸着法、スパッタリング法、イオンプレーティング法、若しくは、鍍金法などで形成する。この場合、表現したい金属光沢色に応じて、アルミニウム、ニッケル、金、白金、クロム鉄、銅、スズ、インジウム、銀、チタニウム、鉛、若しくは、亜鉛などの金属、又は、これらの合金又は化合物を使用する。 Further, the decorative layer may be composed of a metal thin film layer or a combination of a pattern printing layer and a metal thin film layer. The metal thin film layer expresses metallic luster as the decorative layer, and is formed by a vacuum deposition method, a sputtering method, an ion plating method, a plating method, or the like. In this case, a metal such as aluminum, nickel, gold, platinum, chromium iron, copper, tin, indium, silver, titanium, lead, or zinc, or an alloy or compound thereof is used depending on the metallic luster color to be expressed. use.
　金属薄膜層の膜厚は、０．０５μｍ程度とするのが一般的である。また、加飾シート２ｂの上面にハードコートフィルムを貼付けてもよい。 The film thickness of the metal thin film layer is generally about 0.05 μm. Moreover, you may affix a hard coat film on the upper surface of the decorating sheet 2b.
　前記下部電極シート３ａと前記保護パネル本体３ｂ、前記上部電極シート２ａと前記加飾シート２ｂの全面貼り合せには、感圧接着剤(ＰＳＡ：Pressure Sensitive Adhesives)３１を使用すればよい。 A pressure-sensitive adhesive (PSA: Pressure Sensitive Adhesives) 31 may be used for laminating the entire surface of the lower electrode sheet 3a and the protective panel body 3b, and the upper electrode sheet 2a and the decorative sheet 2b.
　感圧接着剤３１の塗布方法としては、スクリーン印刷、オフセット印刷、グラビア印刷、若しくは、フレキソ印刷などの通常印刷法などを用いることができる。 As a method for applying the pressure-sensitive adhesive 31, a normal printing method such as screen printing, offset printing, gravure printing, flexographic printing, or the like can be used.
　また、前記上部電極シート２ａと前記下部電極パネル３との電極間に空気セル１５が形成されるように周縁部を接着する接着層３２としては、窓枠状に打抜いた両面接着テープや、アクリル樹脂、エポキシ樹脂、フェノール樹脂、ビニル樹脂などからなる絶縁性の透明粘着剤を用いる。 Further, as the adhesive layer 32 for adhering the peripheral edge so that the air cell 15 is formed between the electrodes of the upper electrode sheet 2a and the lower electrode panel 3, a double-sided adhesive tape punched into a window frame shape, An insulating transparent adhesive made of acrylic resin, epoxy resin, phenol resin, vinyl resin or the like is used.
　透明粘着剤を用いる場合の接着層３２の形成方法としては、スクリーン印刷、オフセット印刷、グラビア印刷、若しくは、フレキソ印刷などの通常印刷法などを用いることができる。 As a method for forming the adhesive layer 32 when using a transparent adhesive, a normal printing method such as screen printing, offset printing, gravure printing, or flexographic printing can be used.
　以上、タッチ入力機能付き保護パネル１の基本構成について説明したが、本発明に係るタッチ入力機能付き保護パネル１の特徴は、上記した基本構成に加え、さらに、前記加飾層にて隠蔽されるエアバッファ部を備え、当該エアバッファ部を前記電極間の空気セルと連通させていることにある。 The basic configuration of the protection panel 1 with a touch input function has been described above, but the features of the protection panel 1 with a touch input function according to the present invention are further hidden by the decorative layer in addition to the basic configuration described above. An air buffer portion is provided, and the air buffer portion is in communication with an air cell between the electrodes.
　［第１実施形態］
　図２は、エアバッファ部を内蔵したタッチ入力機能付き保護パネルの第１実施形態を示す図であり、(ａ)は縦断面図、（ｂ）はその平面図を示す。 [First Embodiment]
2A and 2B are diagrams showing a first embodiment of a protection panel with a touch input function incorporating an air buffer portion, where FIG. 2A is a longitudinal sectional view and FIG. 2B is a plan view thereof.
　図２に示すように、保護パネル本体３ｂ上面において前記加飾層にて隠蔽される領域の一部に、角筒状の凹所３３がパネル厚み方向に形成されており、当該凹所３３の上側開口部が前記下部電極シート３ａによって覆われて隔室となることにより前記エアバッファ部３４が構成されている。 As shown in FIG. 2, a rectangular tube-shaped recess 33 is formed in a part of a region concealed by the decoration layer on the upper surface of the protective panel main body 3 b in the panel thickness direction. The upper side opening is covered with the lower electrode sheet 3a to form a compartment, whereby the air buffer 34 is configured.
　前記下部電極シート３ｂにおける前記エアバッファ部３４を覆う部分には貫通穴３５が穿設され、さらに、両電極シート３ａ，２ａの周縁部を接着するのに用いられる前記接着層３２の一部に、前記エアバッファ部３４と前記空気セル１５とを貫通穴３５を介して連通させるエア通路３６が備えられている。 A through hole 35 is formed in a portion of the lower electrode sheet 3b covering the air buffer portion 34, and further, a part of the adhesive layer 32 used for bonding the peripheral portions of the electrode sheets 3a and 2a. An air passage 36 is provided for communicating the air buffer portion 34 and the air cell 15 through a through hole 35.
　タッチ入力機能付き保護パネル１に、前記加飾層にて隠蔽される前記エアバッファ部３４が内蔵され、当該エアバッファ部３４を前記電極間の空気セル１５と連通させることにより、タッチ入力機能付き保護パネル１の外表面全体に強い負荷がかかったときでも空気セル１５にかかる圧力を分散させることができる。 The protective panel 1 with a touch input function incorporates the air buffer part 34 concealed by the decorative layer, and the air buffer part 34 communicates with the air cell 15 between the electrodes, thereby providing a touch input function. Even when a strong load is applied to the entire outer surface of the protective panel 1, the pressure applied to the air cell 15 can be dispersed.
　さらに詳しく説明すれば、図７に示すようにタッチ入力機能付き保護パネル１の外表面全体に強い負荷４３がかかると、空気セル１５内の空気は前記エア通路３６を通って前記エアバッファ部３４に押し出され（図中の黒矢印は空気の移動を示す）、負荷４３が解除されると、再びそのエアバッファ部３４から空気セル１５内へ戻ることができる。 More specifically, as shown in FIG. 7, when a strong load 43 is applied to the entire outer surface of the protection panel 1 with a touch input function, the air in the air cell 15 passes through the air passage 36 and the air buffer 34. (The black arrow in the figure indicates the movement of air), and when the load 43 is released, the air buffer unit 34 can return to the air cell 15 again.
　そのため、従来技術のようにタッチ入力機能付き保護パネルの外表面全体への強い負荷が加わることにより逃げ道を失った空気が前記接着層３２と前記上部電極シート２ａとの間、あるいは前記接着層３２と前記下部電極パネル３との間に押し入る虞がない。 Therefore, air that has lost its escape route due to a strong load applied to the entire outer surface of the protection panel with a touch input function as in the prior art is between the adhesive layer 32 and the upper electrode sheet 2a, or the adhesive layer 32. There is no possibility of being pushed in between the lower electrode panel 3 and the lower electrode panel 3.
　その結果、前記上部電極シート２ａと前記下部電極パネル３の周縁部で接着している前記接着層３２に剥がれが発生し難くなり、空気セル１５内の空気がタッチ入力機能付き保護パネル１の外に押し出されることが防止され、機能不良や外観不良は発生しない。 As a result, it is difficult for the adhesive layer 32 adhered to the upper electrode sheet 2a and the lower electrode panel 3 to be peeled off, and the air in the air cell 15 is removed from the protective panel 1 with a touch input function. It is prevented from being pushed out and no malfunction or appearance defect occurs.
　なお、前記保護パネル本体３ｂ及び前記下部電極シート３ｂに、タッチ入力機能付き保護パネル１の外部と連通する貫通穴だけを設けることも考えられる。具体的には、そのタッチ入力機能付き保護パネル１を周縁部で前面外装筐体１９と接着することにより、タッチ入力機能付き保護パネル１と前面外装筐体１９との間に、空気セル１５内から押し出された空気が移動するための空間を設けるというものである。 Note that it is also conceivable that only a through hole communicating with the outside of the protection panel 1 with a touch input function is provided in the protection panel body 3b and the lower electrode sheet 3b. Specifically, the protective panel 1 with a touch input function is bonded to the front exterior casing 19 at the peripheral edge, so that the inside of the air cell 15 is interposed between the protection panel 1 with a touch input function and the front exterior casing 19. A space is provided for the air pushed out from the air to move.
　しかしながら、このやり方では、アッセンブリーメーカー側で組み立て時に空気圧の調整をしなければならず、タッチ入力機能付き保護パネル１の製造側でその品質を保証することができないという不都合がある。タッチ入力機能付き保護パネル１の品質を保証するには上記した構成のように、前記エアバッファ部３４をタッチ入力機能付き保護パネル１が内蔵することが好ましい。 However, this method has the disadvantage that the assembly manufacturer must adjust the air pressure during assembly, and the quality of the protection panel 1 with touch input function cannot be guaranteed. In order to guarantee the quality of the protection panel 1 with a touch input function, it is preferable that the protection panel 1 with a touch input function is built in the air buffer portion 34 as described above.
　前記エアバッファ部３４を設ける場所は、前記加飾層の模様１７にて隠蔽される領域内に限られる。前記エアバッファ部３４が透明窓部１７と重なると、下側に配置されるディスプレイ装置の視認性が低下するからである。 The place where the air buffer part 34 is provided is limited to the area hidden by the pattern 17 of the decorative layer. This is because when the air buffer portion 34 overlaps the transparent window portion 17, the visibility of the display device disposed on the lower side is lowered.
　また、図２（ｂ）には２箇所に前記エアバッファ部３４を設けているが、１箇所だけ設けてもよいし、２箇所以上設けてもよい。 Moreover, although the said air buffer part 34 is provided in two places in FIG.2 (b), you may provide only one place and may provide two or more places.
　前記エアバッファ部３４を複数個設けることにより、空気を逃がすのに必要とされる空間の容量を分割した構成によれば、タッチ入力機能付き保護パネル１のデザイン上、前記エアバッファ部３４を設けることが出来ない領域があっても対処することができる。 According to the configuration in which the space capacity required for air escape is divided by providing a plurality of the air buffer portions 34, the air buffer portion 34 is provided in the design of the protection panel 1 with a touch input function. Even if there is an area that cannot be handled, it can be dealt with.
　例えば、図２（ｂ）において、ロゴマークのバッチを設置するための孔４４がデザインされる場所は、前記エアバッファ部３４を設けることが出来ない領域となる。 For example, in FIG. 2B, the place where the hole 44 for installing the batch of logo marks is designed is an area where the air buffer portion 34 cannot be provided.
　その他に、デザイン上、前記エアバッファ部３４を設けることが出来ない領域の例としては、スピーカーホール、イヤーホール、カメラレンズなどを形成するための領域がある。 Other examples of areas where the air buffer portion 34 cannot be provided in terms of design include areas for forming speaker holes, ear holes, camera lenses, and the like.
　また、前記エアバッファ部３４は、任意の形状で形成すればよく、図２（ｂ）に示すような矩形状に限定されない。例えば、スピーカーホール等を避けるためにＬ字状に形成してもよい。 Further, the air buffer 34 may be formed in an arbitrary shape, and is not limited to a rectangular shape as shown in FIG. For example, it may be formed in an L shape in order to avoid a speaker hole or the like.
　前記エアバッファ部３４を構成する前記凹所３３は、前記保護パネル本体３ｂ上面からドリル加工することによって形成することができる。 The recess 33 constituting the air buffer portion 34 can be formed by drilling from the upper surface of the protective panel body 3b.
　前記エア通路３６は、気体を出入りさせるための通路であり、図８に示すように、窓枠状の接着層３２の内縁より線状に切り欠かれた接着層非形成部分３２ｂによってその形状が決定される。 The air passage 36 is a passage through which gas enters and exits, and as shown in FIG. 8, the shape of the air passage 36 is formed by an adhesive layer non-forming portion 32 b cut out linearly from the inner edge of the window frame-like adhesive layer 32. It is determined.
　例えば、図８に示す接着層非形成部分３２ｂは、窓枠状の接着層３２の内縁に対して垂直に形成されているが、これに限定されず、例えば窓枠状の接着層３２の内縁に対して斜めに形成することもできる。 For example, the adhesive layer non-forming portion 32b shown in FIG. 8 is formed perpendicular to the inner edge of the window frame-shaped adhesive layer 32, but is not limited to this, for example, the inner edge of the window frame-shaped adhesive layer 32 It can also be formed obliquely.
　なお、図８中、３２ａは電極間の空気セル１５を形成する矩形の接着層非形成部分であり、３２ｃはロゴマークのバッチを設置する孔４４（図２(ｂ)参照）と対応する位置に切り欠かれた接着層非形成部分である。 In FIG. 8, 32a is a rectangular non-adhesive layer forming portion for forming the air cell 15 between the electrodes, and 32c is a position corresponding to a hole 44 (see FIG. 2 (b)) for installing a batch of logo marks. This is a portion where the adhesive layer is not formed.
　［第２実施形態］
　図３は、エアバッファ部を内蔵したタッチ入力機能付き保護パネルの第２実施形態を示す図であり、(ａ)は縦断面図、（ｂ）はその平面図を示す。 [Second Embodiment]
FIGS. 3A and 3B are diagrams showing a second embodiment of the protection panel with a touch input function in which the air buffer unit is built in, in which FIG. 3A is a longitudinal sectional view, and FIG. 3B is a plan view thereof.
　なお、以下の説明において図２と同じ構成要素については同一符号を付してその説明を省略する。 In the following description, the same components as those in FIG.
　図３に示すように、前記保護パネル本体３ｂを第一の樹脂板３７と第二の樹脂板３８を貼り合わせた構成とし、当該第一の樹脂板３７において前記加飾層にて隠蔽される領域の一部に筒孔３９がパネル厚み方向に形成されている。 As shown in FIG. 3, the protective panel body 3 b is configured by bonding a first resin plate 37 and a second resin plate 38, and is hidden by the decorative layer in the first resin plate 37. A cylindrical hole 39 is formed in a part of the region in the panel thickness direction.
　この筒孔３９の上側開口面が前記下部電極シート３ａによって覆われ、下側開口面が前記第二の樹脂板３８によって覆われ隔室となることにより、エアバッファ部３４が構成されている。 The upper opening surface of the cylindrical hole 39 is covered with the lower electrode sheet 3a, and the lower opening surface is covered with the second resin plate 38 to form a compartment, whereby the air buffer portion 34 is configured.
　前記下部電極シート３ａにおける前記エアバッファ部３４を覆う部分には、パネル厚み方向に貫通孔３５が穿設され、前記周縁部接着に用いられる接着層３２には、前記エアバッファ部３４と前記電極間の空気セル１５とを当該貫通孔３５を介して連通させるエア通路３６が備えられている。 A portion of the lower electrode sheet 3a that covers the air buffer portion 34 is provided with a through hole 35 in the panel thickness direction. The adhesive layer 32 used for bonding the peripheral edge portion includes the air buffer portion 34 and the electrode. An air passage 36 is provided for communicating the air cell 15 therebetween via the through hole 35.
　第２実施形態では、前記第一の樹脂板３７に筒孔３９を形成した後、その筒孔３９の下側開口面を覆うようにして前記第二の樹脂板３８を貼り合わせることで、上述した第１実施形態の凹所３３に相当する凹所が得られる。 In the second embodiment, after the cylindrical hole 39 is formed in the first resin plate 37, the second resin plate 38 is bonded so as to cover the lower opening surface of the cylindrical hole 39. A recess corresponding to the recess 33 of the first embodiment is obtained.
　この場合、前記筒孔３９の形成手段として、打抜き加工を用いることができるため、平面から見たエアバッファ部３４の形状を自由に設計することができる。 In this case, since the punching process can be used as the means for forming the cylindrical hole 39, the shape of the air buffer portion 34 as viewed from above can be freely designed.
　また、前記第一の樹脂板３７と前記第二の樹脂板３８を貼り合わせには、前述の感圧接着剤３１を使用することができる。また、前記第一の樹脂板３７と前記第二の樹脂板３８の材質は、同じものでもよいし、異なるものでもよい。 Also, the pressure-sensitive adhesive 31 described above can be used to bond the first resin plate 37 and the second resin plate 38 together. The first resin plate 37 and the second resin plate 38 may be made of the same material or different materials.
　［第３実施形態］
　図４は、エアバッファ部を内蔵したタッチ入力機能付き保護パネルの第３実施形態を示す図であり、(ａ)は縦断面図、（ｂ）はその平面図を示す。 [Third Embodiment]
4A and 4B are diagrams showing a third embodiment of a protection panel with a touch input function incorporating an air buffer portion, where FIG. 4A is a longitudinal sectional view and FIG. 4B is a plan view thereof.
　図４に示すように、保護パネル本体３ｂにおいて前記加飾層にて隠蔽される領域の一部に筒孔４０がパネル厚み方向に形成されている。 As shown in FIG. 4, a cylindrical hole 40 is formed in the thickness direction of the panel in a part of the region concealed by the decorative layer in the protective panel main body 3b.
　この筒孔４０の上側開口面が前記下部電極シート３ａによって覆われ、下側開口面を覆うようにしてカバーテープ４１が貼り付けられ隔室となることにより、エアバッファ部３４が構成されている。 The upper opening surface of the cylindrical hole 40 is covered with the lower electrode sheet 3a, and the cover tape 41 is attached so as to cover the lower opening surface, thereby forming an air chamber portion 34. .
　前記下部電極シート３ａにおいて前記エアバッファ部３４を覆う部分には貫通孔３５がパネル厚み方向に穿設され、前記周縁部接着に用いられる接着層３２には、前記エアバッファ部３４と前記電極間の空気セル１５とを当該貫通孔３５を介して連通させるエア通路３６が備えられている。 A through hole 35 is formed in the lower electrode sheet 3a so as to cover the air buffer portion 34 in the panel thickness direction, and the adhesive layer 32 used for bonding the peripheral edge portion is provided between the air buffer portion 34 and the electrode. An air passage 36 that communicates with the air cell 15 via the through hole 35 is provided.
　この場合も、上記第２実施形態と同様に、前記筒孔４０の形成手段として、打抜き加工を用いることができるため、平面から見たエアバッファ部３４の形状を自由に設計することができる。 Also in this case, as in the second embodiment, since the punching process can be used as the means for forming the cylindrical hole 40, the shape of the air buffer portion 34 viewed from the plane can be freely designed.
　また、第３実施形態の構成によれば、前記保護パネル本体３ｂの厚み全体を前記エアバッファ部３４として活用することができる。なお、前記カバーテープ４１には、テープ類を用いるとよい。 Further, according to the configuration of the third embodiment, the entire thickness of the protective panel body 3b can be utilized as the air buffer portion 34. The cover tape 41 may be a tape.
　また、前記カバーテープ４１は、弾性を備えていることが好ましい。前記カバーテープ４１が弾性を備えていると、空気セル１５内から前記エアバッファ部３４に空気が押し出されたときに、図５に示すように前記カバーテープ４１が膨らみ、結果として前記エアバッファ部３４の空気収納許容量を増やすことができる。 The cover tape 41 preferably has elasticity. If the cover tape 41 has elasticity, when air is pushed out from the air cell 15 to the air buffer portion 34, the cover tape 41 swells as shown in FIG. 5, and as a result, the air buffer portion The air storage capacity of 34 can be increased.
　弾性を備えた前記カバーテープ４１の材質としては、ゴム、ビニル系樹脂等を用いることができる。 As the material of the cover tape 41 having elasticity, rubber, vinyl resin or the like can be used.
　［第４実施形態］
　図６は、エアバッファ部を内蔵したタッチ入力機能付き保護パネルの第４実施形態を示す図であり、(ａ)は縦断面図、（ｂ）はその平面図を示す。 [Fourth Embodiment]
6A and 6B are diagrams showing a fourth embodiment of the protection panel with a touch input function incorporating the air buffer portion, where FIG. 6A is a longitudinal sectional view, and FIG. 6B is a plan view thereof.
　図６に示すように、保護パネル本体３ｂを第一の樹脂板３７と第二の樹脂板３８を貼り合わせた構成とし、当該第一の樹脂板３７と前記下部電極シート３ａとの積層体において、前記加飾層にて隠蔽される領域の一部に、筒孔３９と筒孔４２がパネル厚み方向に連通した状態で形成されている。 As shown in FIG. 6, the protective panel main body 3b has a structure in which a first resin plate 37 and a second resin plate 38 are bonded together, and in the laminate of the first resin plate 37 and the lower electrode sheet 3a. The cylindrical hole 39 and the cylindrical hole 42 are formed in a part of the region concealed by the decorative layer in a state where they communicate with each other in the panel thickness direction.
　前記筒孔４２の上側開口面が前記上部電極シート２ａによって覆われ、前記筒孔３９の下側開口面が前記第二の樹脂板３８で覆われ隔室となることにより、エアバッファ部３４が構成されている。 The upper opening surface of the cylindrical hole 42 is covered with the upper electrode sheet 2a, and the lower opening surface of the cylindrical hole 39 is covered with the second resin plate 38 to form a compartment. It is configured.
　前記周縁部接着に用いられる接着層３２には、前記エアバッファ部３４と前記電極間の空気セル１５とを連通させるエア通路３６が備えられている。 The adhesive layer 32 used for bonding the peripheral edge portion is provided with an air passage 36 for communicating the air buffer portion 34 and the air cell 15 between the electrodes.
　上記構成は第２実施形態に似ているが、前記下部電極シート３ａの厚み分を前記エアバッファ部３４に利用することができるため、第２実施形態に比べ前記エアバッファ部３４の容量をより大きくすることができる。 Although the said structure is similar to 2nd Embodiment, since the part for thickness of the said lower electrode sheet 3a can be utilized for the said air buffer part 34, the capacity | capacitance of the said air buffer part 34 is more compared with 2nd Embodiment. Can be bigger.
　一方、上記した第１～３実施形態の下部電極シート３ａについては、直径０．５～１．０ｍｍ程度の貫通孔３５が形成されるだけなので、第４実施形態と比べると、前記下部回路７ａ，７ｂ（図１参照）の形成に利用できる面積を広く取ることができ、また可動シート２のフラット性にも優れている。 On the other hand, in the lower electrode sheet 3a of the first to third embodiments described above, only the through hole 35 having a diameter of about 0.5 to 1.0 mm is formed, so that the lower circuit 7a is compared with the fourth embodiment. , 7b (see FIG. 1) can be widened, and the movable sheet 2 is excellent in flatness.
　また、図６に示した第４実施形態の場合、エアベント３６は、第１実施形態と同じ（図８参照）にすることもできるが、図９に示すように前記上部電極シート２ａと前記下部電極シート３ａの接着に寄与する部分のみ、すなわち、線状に切り欠かれた接着層非形成部分３２ｂだけでなく、筒孔４２の横断面と同じ範囲についても接着層非形成部分３２ｄとして連通させることができる。 In the case of the fourth embodiment shown in FIG. 6, the air vent 36 can be the same as that of the first embodiment (see FIG. 8). However, as shown in FIG. Not only the part contributing to the adhesion of the electrode sheet 3a, that is, not only the adhesive layer non-formation part 32b cut out linearly, but also the same range as the cross section of the cylindrical hole 42 is communicated as the adhesion layer non-formation part 32d. be able to.
　このように接着層３２を構成した場合、前記筒孔４２の上側開口面を覆う部分も接着層非形成部分３２ｄとなるので、その範囲の接着層厚み分、エアバッファ部３４の容量を稼ぐことができる。 When the adhesive layer 32 is configured in this way, the portion covering the upper opening surface of the cylindrical hole 42 also becomes the adhesive layer non-formed portion 32d, so that the capacity of the air buffer 34 is increased by the thickness of the adhesive layer in that range. Can do.
　また、図６において、上記第二の樹脂板３８に遮光機能を持たせることもできる。 In FIG. 6, the second resin plate 38 may have a light shielding function.
　詳しくは、タッチ入力機能付き保護パネル１は図示しないディスプレイ装置と貼り合わされて前面外装筐体に嵌め込まれるが、筒孔３９，４２等を介し上記ディスプレイ装置からの光が漏れる場合が想定される。そこで、第二の樹脂板３８におけるディスプレイ装置側の面に遮光シート３８ａを貼着、もしくは遮光用の黒色印刷を施すことにより、光の漏れを防ぐことができる。上記遮光シート３８ａの貼着範囲は、上述した加飾層の形成範囲と一致させればよい。 Specifically, the protection panel 1 with a touch input function is bonded to a display device (not shown) and fitted into the front exterior casing, but it is assumed that light from the display device leaks through the cylindrical holes 39, 42 and the like. Therefore, the light leakage can be prevented by sticking the light shielding sheet 38a to the surface of the second resin plate 38 on the display device side or performing black printing for light shielding. What is necessary is just to make the sticking range of the said light shielding sheet 38a correspond with the formation range of the decoration layer mentioned above.
　なお、前記様々な実施形態のうちの任意の実施形態を適宜組み合わせることにより、それぞれの有する効果を奏するようにすることができる。本発明は、添付図面を参照しながら好ましい実施形態に関連して充分に記載されているが、この技術の熟練した人々にとっては種々の変形や修正は明白である。そのような変形や修正は、請求の範囲による本発明の範囲から外れない限りにおいて、その中に含まれると理解されるべきである。 It should be noted that the effects possessed by each of the various embodiments can be achieved by appropriately combining the various embodiments. Although the present invention has been fully described in connection with preferred embodiments with reference to the accompanying drawings, various variations and modifications will be apparent to those skilled in the art. Such changes and modifications are to be understood as included within the scope of the present invention as long as they do not depart from the scope of the present invention.
　本発明は、携帯情報端末、ＯＡ機器、小型電子機器、各種家電品等の表示部の保護パネルとして利用することができる。 The present invention can be used as a protective panel for a display unit of a portable information terminal, an OA device, a small electronic device, various home appliances, and the like.
　　１　タッチ入力機能付き保護パネル
　　２　可動シート
　　２ａ　上部電極シート
　　２ｂ　加飾シート
　　３　下部電極パネル
　　３ａ　下部電極シート
　　３ｂ　保護パネル本体
　　４　上部透明電極
　　５　下部透明電極
　　６ａ～６ｄ，７ｃ，７ｄ　上部回路
　　７ａ，７ｂ　下部回路
　　８　接続部
　　９ａ～９ｄ　貫通孔
　　１０　ＦＰＣ
　　１０ａ　接続側端部
　　１１～１４　金属ピン
　　１５　空気セル
　　１７　模様
　　１８　透明窓部
　　１９　前面外装筐体
　　２０　ディスプレイ装置
　　３１　感圧接着剤
　　３２　接着層
　　３３　凹所
　　３４　エアバッファ部
　　３５　貫通孔
　　３６　エア通路
　　３７　第一の樹脂板
　　３８　第二の樹脂板
　　３９　筒孔
　　４０　筒孔
　　４１　カバーテープ
　　４２　筒孔
　　４３　負荷 DESCRIPTION OF SYMBOLS 1 Protection panel with touch input function 2 Movable sheet 2a Upper electrode sheet 2b Decorating sheet 3 Lower electrode panel 3a Lower electrode sheet 3b Protection panel body 4 Upper transparent electrode 5 Lower transparent electrode 6a-6d, 7c, 7d Upper circuit 7a, 7b Lower circuit 8 Connection 9a to 9d Through hole 10 FPC
10a Connection side end portion 11-14 Metal pin 15 Air cell 17 Pattern 18 Transparent window portion 19 Front exterior casing 20 Display device 31 Pressure sensitive adhesive 32 Adhesive layer 33 Recess 34 Air buffer portion 35 Through hole 36 Air passage 37 First One resin plate 38 Second resin plate 39 Cylinder hole 40 Cylinder hole 41 Cover tape 42 Cylinder hole 43 Load

Claims (6)

  1. 　樹脂板からなる保護パネル本体と、
    　透明絶縁シートの上面に下部透明電極と当該下部透明電極の周囲に設けられた下部回路とを有し、前記保護パネル本体の上面に貼り合わされた下部電極シートと、
    　透明絶縁シートの下面に前記下部透明電極に対向する位置に設けられた上部透明電極と当該上部透明電極の周囲に設けられた上部回路とを有し、前記透明電極間に空気セルを形成するように前記下部電極シートに対し周縁部が接着された上部電極シートと、
    　透明絶縁シートの少なくとも一方の面に、前記下部回路および前記上部回路を隠蔽するように加飾層が形成されるとともにその加飾層の内側に透明窓部を有し、前記上部電極シートの上面に貼り合わされる加飾シートとを備えた多層保護パネルであって、
    　さらに、前記加飾層にて隠蔽される層にエアバッファ部が設けられ、当該エアバッファ部が前記透明電極間の空気セルと連通していることを特徴とする電子機器表示窓のタッチ入力機能付き保護パネル。     A protective panel body made of a resin plate;
    A lower electrode sheet having a lower transparent electrode and a lower circuit provided around the lower transparent electrode on the upper surface of the transparent insulating sheet, and bonded to the upper surface of the protective panel body;
    An upper transparent electrode provided at a position facing the lower transparent electrode and an upper circuit provided around the upper transparent electrode on the lower surface of the transparent insulating sheet, and forming an air cell between the transparent electrodes An upper electrode sheet having a peripheral edge bonded to the lower electrode sheet;
    A decorative layer is formed on at least one surface of the transparent insulating sheet so as to conceal the lower circuit and the upper circuit, and a transparent window is provided inside the decorative layer, and the upper surface of the upper electrode sheet A multi-layer protective panel having a decorative sheet to be bonded to
    Further, an air buffer part is provided in a layer concealed by the decorative layer, and the air buffer part communicates with an air cell between the transparent electrodes, and the touch input function of the electronic device display window Protective panel with.
  2. 　前記保護パネル本体の前記加飾層にて隠蔽される領域の一部に凹所が形成され、
    　前記凹所の開口面が前記下部電極シートで覆われることにより前記エアバッファ部が構成され、
    　前記下部電極シートの前記エアバッファ部の開口面を覆う部分に貫通孔が穿設され、
    　前記上部電極シートと前記下部電極シートの周縁部を接着している接着層に、前記エアバッファ部と前記空気セルとを前記貫通孔を介して連通させるエア通路が備えられている請求項１に記載の電子機器表示窓のタッチ入力機能付き保護パネル。     A recess is formed in a part of the area hidden by the decorative layer of the protective panel body,
    The air buffer portion is configured by covering the opening surface of the recess with the lower electrode sheet,
    A through hole is formed in a portion covering the opening surface of the air buffer portion of the lower electrode sheet,
    The air path which connects the said air buffer part and the said air cell through the said through-hole is provided in the contact bonding layer which adhere | attached the peripheral part of the said upper electrode sheet and the said lower electrode sheet. The protection panel with a touch input function of the electronic device display window of description.
  3. 　前記保護パネル本体が第一の樹脂板と第二の樹脂板とを貼り合わせた構成からなり、
    　当該第一の樹脂板の前記加飾層にて隠蔽される領域の一部に筒孔が穿設され、当該筒孔の上側開口面が前記下部電極シートで覆われ、前記筒孔の下側開口面が前記第二の樹脂板で覆われることにより、前記エアバッファ部が構成され、
    　前記下部電極シートの前記エアバッファ部を覆う部分に貫通孔が穿設され、
    　前記上部電極シートと前記下部電極シートの周縁部を接着している接着層に、前記エアバッファ部と前記空気セルとを前記貫通孔を介して連通させるエア通路が備えられている請求項１に記載の電子機器表示窓のタッチ入力機能付き保護パネル。     The protective panel body is composed of a first resin plate and a second resin plate bonded together,
    A cylindrical hole is formed in a part of a region concealed by the decorative layer of the first resin plate, an upper opening surface of the cylindrical hole is covered with the lower electrode sheet, and a lower side of the cylindrical hole By covering the opening surface with the second resin plate, the air buffer portion is configured,
    A through hole is formed in a portion covering the air buffer portion of the lower electrode sheet,
    The air path which connects the said air buffer part and the said air cell through the said through-hole is provided in the contact bonding layer which adhere | attached the peripheral part of the said upper electrode sheet and the said lower electrode sheet. The protection panel with a touch input function of the electronic device display window of description.
  4. 　前記保護パネル本体の前記加飾層にて隠蔽される領域の一部に筒孔が形成され、
    　当該筒孔の上側開口面が前記下部電極シートで覆われるとともに、前記筒孔の下側開口面にカバーテープが貼り付けられることにより、前記エアバッファ部が構成され、
    　前記下部電極シートの前記エアバッファ部の開口面を覆う部分に貫通孔が穿設され、
    　前記上部電極シートと前記下部電極シートの周縁部を接着している接着層に、前記エアバッファ部と前記空気セルとを前記貫通孔を介して連通させるエア通路が備えられている請求項１に記載の電子機器表示窓のタッチ入力機能付き保護パネル。     A cylindrical hole is formed in a part of the region concealed by the decorative layer of the protective panel body,
    The upper opening surface of the tube hole is covered with the lower electrode sheet, and a cover tape is attached to the lower opening surface of the tube hole, whereby the air buffer portion is configured,
    A through hole is formed in a portion covering the opening surface of the air buffer portion of the lower electrode sheet,
    The air path which connects the said air buffer part and the said air cell through the said through-hole is provided in the contact bonding layer which adhere | attached the peripheral part of the said upper electrode sheet and the said lower electrode sheet. The protection panel with a touch input function of the electronic device display window of description.
  5. 　前記カバーテープが弾性を有する材料からなる請求項４記載の電子機器表示窓のタッチ入力機能付き保護パネル。 The protective panel with a touch input function for an electronic device display window according to claim 4, wherein the cover tape is made of an elastic material.
  6. 　前記保護パネル本体が第一の樹脂板と第二の樹脂板とを貼り合わせた構成からなり、
    　前記第一の樹脂板と前記下部電極シートの積層体において前記加飾層にて隠蔽される領域の一部に前記エアバッファ部としての筒孔が形成され、当該筒孔の上側開口面が前記上部電極シートで覆われ、前記筒孔の下側開口面が前記第二の樹脂板で覆われ、
    　前記上部電極シートと前記下部電極シートの周縁部を接着している接着層に、前記エアバッファ部と前記空気セルとを連通させるエア通路が備えられている請求項１に記載の電子機器表示窓のタッチ入力機能付き保護パネル。     The protective panel body is composed of a first resin plate and a second resin plate bonded together,
    In the laminated body of the first resin plate and the lower electrode sheet, a cylindrical hole as the air buffer portion is formed in a part of a region concealed by the decorative layer, and an upper opening surface of the cylindrical hole is Covered with the upper electrode sheet, the lower opening surface of the cylindrical hole is covered with the second resin plate,
    2. The electronic device display window according to claim 1, wherein an air passage that communicates the air buffer portion and the air cell is provided in an adhesive layer that adheres the peripheral portions of the upper electrode sheet and the lower electrode sheet. Protection panel with touch input function.
PCT/JP2009/061618 2008-06-30 2009-06-25 Protective panel with touch input function for electronic equipment display panel WO2010001805A1 (en)

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