WO2005008467A1 - 透明タッチパネル及び電子機器 - Google Patents
透明タッチパネル及び電子機器 Download PDFInfo
- Publication number
- WO2005008467A1 WO2005008467A1 PCT/JP2004/010769 JP2004010769W WO2005008467A1 WO 2005008467 A1 WO2005008467 A1 WO 2005008467A1 JP 2004010769 W JP2004010769 W JP 2004010769W WO 2005008467 A1 WO2005008467 A1 WO 2005008467A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- touch panel
- substrate
- transparent touch
- transparent
- lead
- Prior art date
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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
Definitions
- the present invention relates to a transparent touch panel and an electron ⁇ provided with the same.
- This transparent touch panel is configured by laminating a movable substrate 110 and a fixed substrate 130 via a spacer 140 made of a double-sided adhesive tape, as shown by a perspective view in FIG.
- the thickness of the double-sided adhesive tape is usually about 50 to: L O O zm.
- the movable substrate 110 has an input operation surface on the front surface side, and receives an input from an operator using a finger or an input pen on the transparent touch panel.
- the spacer 140 is formed in a frame shape, and is occupied by shells along the periphery of the movable substrate 110 and the fixed substrate 130.
- the spacer 140 has a cutout portion 141 functioning as an internal air vent hole, and a cutout portion 142 to which a connector 120 described later is mounted.
- Dot-shaped spacers 160 are provided at predetermined intervals in a gap between the movable substrate 110 and the fixed substrate 130 surrounded by the spacer 140.
- a transparent conductive layer 111 and a transparent conductive layer 131 are respectively formed on almost the entire surface except for the edges.
- the transparent conductive layer 111 formed on the movable substrate 110 is provided with a pair of electrodes 112, 112 at both ends, and the pair of electrodes 112, 112 is formed on the edge of the movable substrate 110.
- the lead-out terminals 114, 114 are connected through a routing circuit 113.
- the transparent conductive layer 131 formed on the fixed substrate 130 is provided with a pair of electrodes 132 at both ends.
- the pair of electrodes 132, 132 is disposed so that the facing direction is orthogonal to the pair of electrodes 112, 112 provided on the movable substrate 110.
- the pair of electrodes 1 3 2 and 1 3 2 are connected to extraction terminals 1 3 4 and 1 3 4 via a circuit 13 formed on the edge of the fixed substrate 13 0. .
- the connector 120 has terminals 122, 122 on the upper surface for connection to the movable substrate 110, and terminals 123 for connection to the fixed substrate 130 on the lower surface.
- the connection terminals 122, 122 and the connection terminal are formed. 1 2 3 ⁇ 1 2 3 Force Connected to the draw-out terminals 1 1 4 and 1 14 and the draw-out terminals 1 3 4 and 1 3 4 respectively.
- a connector 120 for connecting to an external electronic device such as a display device is inserted between the movable substrate 110 and the fixed substrate 130. There is a possibility that undulation may occur on the input operation surface.
- a transparent touch panel configured to be connectable to the external ⁇ without using a connector of a separate component is disclosed in Japanese Patent Application Laid-Open No. 1122181/31.
- This transparent touch panel is configured such that a portion corresponding to the connector is integrally formed on a movable substrate made of a transparent film.
- this part has a shape protruding from the periphery of the rectangular movable substrate, the trimming loss of the transparent film for forming the movable substrate increases, and there is room for further improvement from the viewpoint of cost reduction. . Disclosure of the invention
- the present invention has been made to solve the above-described problem, and has as its object to provide a transparent touch panel and an electronic ⁇ that can be reduced in size and cost.
- the object of the present invention is that a transparent first substrate and a second substrate each having a transparent conductive layer on one surface are arranged at a predetermined interval so that the respective transparent conductive layers face each other;
- the transparent conductive layer has a pair of electrodes at both ends, and each of the electrodes is connected to each of the electrodes via a routing circuit formed at a peripheral portion of the first substrate and the second substrate.
- a transparent touch panel having a plurality of connected drawer terminals, wherein each of the drawer terminals is achieved by a transparent touch panel provided adjacent to an exposed portion of the first substrate.
- the bow 1 extraction terminal is provided on a surface of the first substrate opposite to a surface on which the transparent conductive layer is formed, and the first substrate is provided on the first substrate. It can be configured to be connected to the routing circuit through the formed through hole.
- the bow I extraction terminal is provided on a surface of the first substrate on which the transparent conductive layer is formed, and the second transparent substrate is A configuration having a notch at a position corresponding to the lead-out terminal can be adopted.
- the object of the present invention is the above-mentioned transparent tatsino.
- a display device having a connection terminal wherein the transparent touch panel is arranged on the display surface side of the display device, and the bow I extraction terminal and the connection terminal come into contact with each other. This is achieved by the electronic device.
- FIG. 1 is an exploded perspective view of the transparent touch panel according to the first embodiment of the present invention.
- FIG. 2 is a cross-sectional view of a main part of the transparent touch panel shown in FIG.
- FIG. 3 is a perspective view of a main part of the transparent touch panel shown in FIG.
- FIG. 4 is a side view of a main part of an electronic device including the transparent touch panel shown in FIG.
- FIG. 5 is a main part side view showing a modification of the transparent touch panel shown in FIG.
- FIG. 6 is a perspective view of a transparent touch panel according to the second embodiment of the present invention.
- FIG. 7 is a top view of the transparent touch panel shown in FIG.
- FIG. 8 is a side view of a main part of the electron device provided with the transparent touch panel shown in FIG.
- FIG. 9 is a main part side view showing a modification of the electronic device shown in FIG.
- FIG. 10 is a perspective view showing a modification of the transparent touch panel shown in FIG.
- FIG. 11 is a ⁇ view of the transparent touch panel shown in FIG.
- FIG. 12 is a side view of a main part of an electronic device including the transparent touch panel shown in FIG.
- FIG. 13 is an exploded perspective view showing a conventional transparent touch panel. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is an exploded perspective view of the transparent touch panel according to the first embodiment of the present invention.
- the same components as those of the conventional transparent touch panel shown in FIG. 13 are denoted by the same reference numerals.
- various plastic films having transparency can be used, and specifically, polyethylene terephthalate (PET), polyethylene naphthalate (PEN;), polyether sulfone (PES), polyether ether ketone ( PEEK), polycarbonate (PC), polypropylene (PP), polyamide (PA), polyacryl (PAC), norpolene-based thermoplastic transparent resin, or a laminate thereof.
- PET polyethylene terephthalate
- PEN polyethylene naphthalate
- PES polyether sulfone
- PEEK polyether ether ketone
- PC polypropylene
- PP polypropylene
- PA polyamide
- PAC polyacryl
- norpolene-based thermoplastic transparent resin or a laminate thereof.
- the thickness of the film substrate is usually 20 to 500 ⁇ .
- the fixed substrate 130 the same material as that of the movable substrate 110 can be used, and further, glass can be used.
- a support may be laminated on the fixed substrate 130 for the purpose of reinforcing the fixed substrate 130 and improving durability.
- the support is made of a polycarbonate resin substrate, an acrylic resin substrate, a polyolefin resin substrate, glass, or the like, and usually has a thickness of 0.5 to 5 mm.
- the shape of the support is generally flat, but a shape having a convex center can also be used.
- the formation of the transparent conductive layers 111 and 131 on the movable substrate 110 and the fixed substrate 130 A general method of providing a conductive material on a film substrate may be used, for example, a PVD method such as a slitter method, a vacuum deposition method, an ion plating method, a CVD method, a coating method, a printing method, and the like. Can be mentioned.
- the material of the transparent conductive layers 11 and 131 is not particularly limited as long as it is a transparent material, and examples thereof include indium tin oxide (ITO), tin oxide, copper, aluminum, nickel, and chromium. Further, materials other than these may be formed in layers.
- ITO indium tin oxide
- tin oxide copper, aluminum, nickel, and chromium
- materials other than these may be formed in layers.
- an undercoat layer for improving transparency, adhesion, and the like may be provided on the movable substrate 110 or the fixed substrate 130.
- the transparent conductive layers 111 and 131 are formed such that the peripheral portions of the movable substrate 110 and the fixed substrate 130 are exposed. After forming the transparent conductive layers 111 and 131 on the entire surface of the movable substrate 110 and the fixed substrate 130, a desired pattern mask is formed on the surfaces of the transparent conductive layers 111 and 131, and the exposed portions are etched with an acid solution. After removing only unnecessary portions of the transparent conductive layer 111, 131, the patterned mask is dissolved and removed with a stripping agent such as an alkaline solution to form the layer. The peeling of the transparent conductive layers 111 and 131 can be removed by using a laser instead of etching with an acid solution.
- the pair of electrodes 112, 112 and 132, 132 formed on both ends of the transparent conductive layers 111, 131, respectively, can be formed by conductive ink.
- a conductive, printable paste such as silver, carbon ink, or copper ink can be used, and silver and carbon may be mixed or overcoated.
- the electrode width is 0.2mm to 3 ⁇ 4mm, and the thickness is several m to several tens of ⁇ m.
- an insulating ink may be applied to necessary portions of the transparent conductive layers 111 and 131 and the electrodes 112 and 132 to ensure insulation and prevent migration. Acrylic resin, urethane resin, epoxy resin, silicon resin, etc. are used for the insulating ink.
- a routing circuit 113, 133 and intermediate terminals 114, 114; 134, 134 are formed, and a pair of electrodes 1 12, 112; They are connected to intermediate terminals 114, 114; 134, 134 via routing circuits 113, 133. Routing circuit 113, The 133 and intermediate terminals 114 and 134 can be formed simultaneously with the formation of the electrodes 112 and 132 described above.
- the intermediate terminals 114, 114 of the movable substrate 110 and the intermediate terminals 134, 134 of the fixed substrate 130 are provided so as to be adjacent to each other in regions facing each other.
- the movable substrate 110 and the fixed substrate 130 are made of a double-sided adhesive tape 1 having a predetermined thickness.
- the double-sided adhesive tape 140 is obtained by applying an adhesive to upper and lower surfaces of a core material film.
- a plastic film such as polyethylene terephthalate (PET), polyethylene (PE), polypropylene (PP), and polyethersulfone (PES) is used. Acrylic, silicone, urethane, or a mixture of these is used as the adhesive.
- a cutout portion 142 is formed at a portion corresponding to the intermediate terminals 134, 134 of the fixed substrate 130.
- through holes 50, 50; 51, 51 are formed adjacently at positions corresponding to the respective intermediate terminals 114, 114; 134, 134.
- the diameter of the through hole is preferably about 0.0 lmm to 3 mm, and it can be formed by press working, router working, drill working, laser working or the like.
- the inside of each through hole 50, 50; 51, 51 is filled with a conductive adhesive 60, and is bonded and hardened to each intermediate terminal 114, 114; 134, 134, respectively.
- the conductive adhesive 60 a paste-like adhesive can be preferably used, and a two-pack epoxy conductive adhesive (product number 3380B) manufactured by Sri Bond Co., Ltd.
- a conductive ink may be used instead of the conductive adhesive 60, or an anisotropic conductive material may be used so that conduction occurs only in the normal direction of the movable substrate 110.
- a conductive ink 55 may be applied to the inner wall surface of the through hole 50 (51) and the periphery of the opening.
- the conductive adhesive 60 filled in 51, 51 serves as a lead-out terminal exposed on the upper surface side (input operation surface side) of the movable substrate 110.
- FIG. 2 is an enlarged view of a main part showing an example of an electronic apparatus in which a transparent touch panel 100 is connected to a display surface side of a display device 90 such as a display device.
- the display device 90 and the transparent touch panel 100 are housed in a housing 91.
- the housing 91 has a holding portion 91a extending inward at an upper end thereof, and a connection terminal 92 with the display device 9 ⁇ provided on a lower surface side of the holding portion 91a.
- the holding portion 91 a has a “I” raw, and the connection terminal 92 contacts the draw-out terminal 101 of the transparent touch panel 100, so that the transparent touch panel: the upper surface of L 00. (Input operation surface) Press and hold the periphery.
- the display device 90 and the transparent touch panel 100 can be housed in a compact manner without increasing the number of components, so that the size and cost of the electron ⁇ can be reduced. Can be achieved.
- the connection between the connection terminal 92 and the lead-out terminal 101 may be performed by using an elastic force such as a spring instead of using the flexibility of the holding portion 91a, or by conducting.
- the bonding may be performed with an adhesive.
- the connection of the transparent touch panel 100 to the lead-out terminal can also be made via a metal clip 80 attached to the periphery of the transparent touch panel 100.
- the clip 80 is formed in a U-shape when viewed from the side, and holds the transparent touch panel 100 at a position where the clip 80 comes into contact with a lead-out terminal formed on the through hole 50 (51).
- the transparent touch panel 100 can be connected to the lead-out terminal not only on the upper surface side but also on the side surface or the lower surface side.
- the degree of freedom in design can be increased in considering the connection with ⁇ .
- the shape, size, and thickness of the clip 80 are not particularly limited.
- the clip 80 may be formed in an L shape, or may be partially bent to increase the strength.
- the clip 80 can be made of metal foil as long as it can be attached to the transparent touch panel 100.
- the clip 80 need not be entirely made of metal, but may be partially made of resin.
- a conductive adhesive may be interposed between the clip 80 and the lead-out terminal to firmly fix it.
- a through-hole is formed in the fixed substrate in which the bow I extraction terminal is provided on the movable substrate.
- a lead terminal may be provided on the surface side (the side opposite to the surface on which the transparent conductive layer is formed). Since the transparent touch panel 100 is usually arranged on the upper surface side of a display device such as a liquid crystal display device, such a configuration can facilitate connection between the transparent touch panel 100 and the display device.
- examples of the connection method between the drawer terminal of the transparent touch panel and the connection terminal of the display device include bonding using a conductive adhesive, pressing using a spring, and connection using a metal clip. can do.
- the filling of the conductive adhesive 60 into the through-holes 50 and 51 in the present embodiment is performed after the movable substrate 110 and the fixed substrate 130 are bonded to each other.
- the fixed substrate 130 is filled with the conductive adhesive 60
- the movable substrate 110 and the fixed substrate 130 can be overlapped with each other.
- the transparent touch panel of the resistive film type in which a gap is formed between the movable substrate 110 and the fixed substrate 130 has been described, but the entirety between the transparent conductive layers 111 and 131 is described.
- the present invention can be applied to a transparent touch panel of a transmission capacitance type in which an adhesive tape or the like is interposed. This is the same in the following embodiment 2! /.
- FIG. 6 is a perspective view of a transparent touch panel according to the second embodiment of the present invention
- FIG. 7 is an exploded view of the transparent touch panel.
- the same components as those of the transparent touch panel according to the first embodiment shown in FIG. 1 are denoted by the same reference numerals, and detailed description thereof will be omitted.
- the adhesive tape / dot spacer interposed between the movable substrate 110 and the fixed substrate 130 is not shown.
- the transparent touch panel of the present embodiment is provided with lead-out terminals 1 17, 1 17 on the periphery of the surface of the fixed substrate 130 on which the transparent conductive layer 13 1 is formed.
- 13 7, 13 7 (in FIG. 6, these are collectively indicated as reference numeral 101), and these lead-out terminals 1 17, 1 17; 1 3 7 on the movable substrate 110 are provided.
- 13 7 are formed with cutouts 1 18.
- a pair of electrodes 1 1 2 and 1 1 2 formed on the movable substrate 1 1 They are connected to intermediate terminals 116 and 116 via 3, 113.
- the intermediate terminals 116 and 136 are in contact with intermediate terminals 136 and 136 formed at opposing positions on the fixed substrate 130.
- a paste-like conductive adhesive is interposed between the intermediate terminals 116, 116 and 136, 136 and joined.
- the intermediate terminals 136, 136 of the fixed substrate 130 are connected to the lead terminals 117, 117 via the routing circuits 115, 115.
- the pair of electrodes 132, 132 formed on the fixed substrate 130 is connected to the extraction terminals 137, 137 via the routing circuits 133, 133.
- FIG. 8 is a main part enlarged view showing an example of the electron ⁇ in which the transparent touch panel 100 of the present embodiment is connected to the display surface side of the display device 90 such as a liquid crystal display device. This configuration and effects are the same as those of the first embodiment shown in FIG. 4, and thus detailed description is omitted.
- Transparent Touchno As shown in FIG. 9, the connection of the panel 100 to the lead-out terminal can also be made via a metal clip 80 attached to the periphery of the transparent touch panel 100. This configuration and effects are the same as those of the first embodiment shown in FIG. 5, and thus detailed description is omitted.
- the lead-out terminals are provided on the fixed substrate.
- the transparent conductive layer of the movable substrate 110 can be formed.
- Drawer terminals 117, 117; 137, 137 in FIG. 10, these are collectively indicated as reference numeral 101) can also be provided on the formed surface.
- intermediate terminals 136, 136 It is connected to intermediate terminals 136, 136 via 33, 133.
- the intermediate terminals 136 contact the intermediate terminals 116 and 116 formed at opposing positions on the movable substrate 110.
- the intermediate terminals 116, 116 and 136, 136 are joined with a first conductive adhesive therebetween.
- Intermediate terminal 1 of movable board 110 16 and 116 are connected to lead terminals 137 and 137 via routing circuits 135 and 135.
- a pair of electrodes 112, 112 formed on the movable substrate 110 is connected to lead terminals 117, 117 via routing circuits 113, 113.
- a transparent touch panel is formed in which the exposed terminals 117, 117; 137, 137 are adjacent to the exposed portion of the movable substrate 110. Since the transparent touch panel 100 is usually disposed on the upper surface side of a display device such as a liquid crystal display device, such a configuration can facilitate connection between the transparent touch panel 100 and the display device.
- the connection method between the draw-out terminal of the transparent touch panel and the connection terminal of the display device includes bonding using a conductive adhesive, connection using a spring, and connection using a metal clip. An example can be given.
- FIG. 12 is a main part enlarged view showing an example of an electronic apparatus in which the transparent touch panel shown in FIGS. 10 and 11 is arranged on the display surface side of a display device 90 such as a liquid crystal display device.
- a display device 90 such as a liquid crystal display device.
- the extraction electrodes 117, 117; 137, 137 provided on the movable substrate 110 are in contact with the connection terminals 92 provided on the display device 90.
- the connection between the lead-out electrodes 117, 117; 137, 137 and the connection terminal 92 may be made by using an elastic force such as a spring or may be made to adhere with a conductive adhesive interposed therebetween. .
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
Description
Claims
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003277367A JP2007018020A (ja) | 2003-07-22 | 2003-07-22 | 透明タッチパネル及び電子機器 |
JP2003-277367 | 2003-07-22 | ||
JP2003294104A JP2007018021A (ja) | 2003-08-18 | 2003-08-18 | 透明タッチパネル |
JP2003-294104 | 2003-08-18 |
Publications (1)
Publication Number | Publication Date |
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WO2005008467A1 true WO2005008467A1 (ja) | 2005-01-27 |
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ID=34082377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2004/010769 WO2005008467A1 (ja) | 2003-07-22 | 2004-07-22 | 透明タッチパネル及び電子機器 |
Country Status (1)
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WO (1) | WO2005008467A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2789349A1 (en) | 2006-11-07 | 2014-10-15 | Boehringer Ingelheim Vetmedica GmbH | Liquid preparation comprising pimobendan |
CN104063079B (zh) * | 2013-03-20 | 2017-04-19 | 奇畿科技股份有限公司 | 触控面板的电极桥接结构 |
EP3865120A1 (en) | 2013-07-19 | 2021-08-18 | Boehringer Ingelheim Vetmedica GmbH | Preserved etherified cyclodextrin derivatives containing liquid aqueous pharmaceutical composition |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08336855A (ja) * | 1995-06-14 | 1996-12-24 | Gunze Ltd | 透明タッチパネル用基板の製造方法 |
JPH09146680A (ja) * | 1995-11-17 | 1997-06-06 | Alps Electric Co Ltd | タブレット |
JP2001092594A (ja) * | 1999-09-13 | 2001-04-06 | Internatl Business Mach Corp <Ibm> | ディスプレイ装置、タッチセンサ、タッチセンサ式液晶表示装置およびディスプレイ装置のフレーム |
JP2002108566A (ja) * | 2000-09-29 | 2002-04-12 | Nissha Printing Co Ltd | 狭額縁タッチパネル |
-
2004
- 2004-07-22 WO PCT/JP2004/010769 patent/WO2005008467A1/ja not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08336855A (ja) * | 1995-06-14 | 1996-12-24 | Gunze Ltd | 透明タッチパネル用基板の製造方法 |
JPH09146680A (ja) * | 1995-11-17 | 1997-06-06 | Alps Electric Co Ltd | タブレット |
JP2001092594A (ja) * | 1999-09-13 | 2001-04-06 | Internatl Business Mach Corp <Ibm> | ディスプレイ装置、タッチセンサ、タッチセンサ式液晶表示装置およびディスプレイ装置のフレーム |
JP2002108566A (ja) * | 2000-09-29 | 2002-04-12 | Nissha Printing Co Ltd | 狭額縁タッチパネル |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2789349A1 (en) | 2006-11-07 | 2014-10-15 | Boehringer Ingelheim Vetmedica GmbH | Liquid preparation comprising pimobendan |
CN104063079B (zh) * | 2013-03-20 | 2017-04-19 | 奇畿科技股份有限公司 | 触控面板的电极桥接结构 |
EP3865120A1 (en) | 2013-07-19 | 2021-08-18 | Boehringer Ingelheim Vetmedica GmbH | Preserved etherified cyclodextrin derivatives containing liquid aqueous pharmaceutical composition |
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