WO2010095797A1 - 정전용량 방식의 터치스크린 패널 - Google Patents
정전용량 방식의 터치스크린 패널 Download PDFInfo
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- WO2010095797A1 WO2010095797A1 PCT/KR2009/005473 KR2009005473W WO2010095797A1 WO 2010095797 A1 WO2010095797 A1 WO 2010095797A1 KR 2009005473 W KR2009005473 W KR 2009005473W WO 2010095797 A1 WO2010095797 A1 WO 2010095797A1
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- substrate
- electrode pattern
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- touch screen
- transparent electrode
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
- G06F3/04182—Filtering of noise external to the device and not generated by digitiser components
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
Definitions
- the present invention relates to a capacitive touch screen panel, and more specifically, to a problem in which a malfunction occurs due to a touch on an upper portion of an electrode in a touch screen, and to prevent scratches and malfunctions and damages caused by static electricity.
- the present invention relates to a capacitive touch screen panel capable of efficiently reducing a manufacturing cost of a touch screen and significantly reducing a manufacturing process procedure of the touch screen panel.
- a touch screen is an input device that can be easily used by anyone of all ages by interactively and intuitively operating a computer by simply touching a button displayed on a display with a finger.
- resistive touch screens As described above, resistive touch screens, capacitive touch screens, infrared touch screens, ultrasonic touch screens, and the like, are currently used for resistive touch screens, and capacitive touch screens are used to minimize the thickness of touch screens.
- the capacitive touch screen has an indium tin oxide (ITO) structure having a conductive floodlight plate, an electrode portion having silver powder painted on the edge of the ITO, and an insulating coating for insulating the lower portion of the electrode. It consists of wealth.
- ITO indium tin oxide
- the ITO is composed of an ITO film made of a light-transmissive resin, and an ITO coating layer formed by coating a conductive material on the lower portion of the ITO film.
- each electrode provided at four sides according to a change in capacitance through the finger detects it so that the touch position can be detected. will be.
- the conventional touch screen as described above has a problem in that the user's will and operation is performed due to the decrease in linearity at the electrode part when the electrode part is touched in the use process.
- a protective layer is formed on the upper surface of the ITO to prevent scratching damage, but the material is made of a simple synthetic resin, so that the user cannot properly respond to the static electricity applied when the user touches it, which causes initial malfunction and damage. .
- an object of the present invention is to prevent the malfunction caused by the touch of the upper portion of the touch screen in the touch screen and to prevent the malfunction and damage due to scratching damage and static electricity during touch
- the present invention provides a capacitive touch screen panel capable of efficiently reducing the manufacturing cost of the touch screen and greatly reducing the manufacturing process of the touch screen panel.
- the first substrate having a screen area and an inactive area; A first transparent electrode pattern part formed on one side screen area of the first substrate; A first outer electrode wiring formed on an inactive region of one side of the first substrate to be electrically connected to the first transparent electrode pattern portion; A second substrate having one side bonded to the other side of the first substrate by an interlayer adhesive and having a screen area and an inactive area; A second transparent electrode pattern part formed on the other side screen area of the second substrate; And a second outer electrode wiring formed to be electrically connected to the second transparent electrode pattern portion in the inactive region on the other side of the second substrate, wherein the electrostatic force is caused by contact with the first and second transparent electrode pattern portions.
- a capacitive touch screen panel characterized in that configured to detect the contact position in accordance with the change in capacitance.
- the first substrate having a screen area and an inactive area; A first transparent electrode pattern part formed on one side screen area of the first substrate; A second substrate having one side bonded to the other side of the first substrate by an interlayer adhesive and having a screen area and an inactive area; A second transparent electrode pattern part formed on the other side screen area of the second substrate; A first outer electrode wiring formed to be electrically connected to the first transparent electrode pattern portion through at least one via hole in an inactive region on the other side of the second substrate; And a second outer electrode wiring formed to be electrically connected to the second transparent electrode pattern portion in the inactive region on the other side of the second substrate, wherein the electrostatic force is caused by contact with the first and second transparent electrode pattern portions.
- a capacitive touch screen panel characterized in that configured to detect the contact position in accordance with the change in capacitance.
- the external driver may be bonded to the first and second outer electrode wirings on the other surface inactive region of the second substrate.
- a transparent substrate having one side bonded to the other side of the second substrate by an interlayer adhesive and having a screen area and an inactive area; And a shielding electrode pattern for removing a noise signal formed in the screen area of the other side of the transparent substrate.
- the outer shielding electrode wiring may be further included in the inactive region of the other side of the transparent substrate so as to be electrically connected to the shielding electrode pattern.
- the transparent substrate having a screen area and an inactive area; A shielding electrode pattern for removing noise signal formed in one screen area of the transparent substrate; And an outer shielding electrode wiring formed to be electrically connected to the shielding electrode pattern on one side of an inactive region of the transparent substrate, the shielding electrode pattern and the outer shielding electrode wiring of the transparent substrate being formed by an interlayer adhesive.
- One side may be bonded to the other side of the second substrate.
- the first and second substrates are in the form of a transparent film, and are made of at least one of glass, polyethylene terephthalate (PET), polyethylene naphthalate (PEN), polyimide (PI), or acrylic (Acryl). Can be formed.
- PET polyethylene terephthalate
- PEN polyethylene naphthalate
- PI polyimide
- Acryl acrylic
- a third aspect of the invention the substrate having a screen area and an inactive area; First and second transparent electrode pattern portions formed on one side and the other side screen area of the substrate, respectively; And first and second outer electrode wirings electrically connected to the first and second transparent electrode pattern portions, respectively, on one side and the other side inactive region of the substrate, wherein the first and second outer electrode wirings are formed.
- the present invention provides a capacitive touch screen panel configured to detect a contact position according to a change in capacitance caused by contact of a transparent electrode pattern part.
- the substrate having a screen area and an inactive area; First and second transparent electrode pattern portions formed on one side and the other side screen area of the substrate, respectively; A first outer electrode wiring formed to be electrically connected to the first transparent electrode pattern portion through at least one via hole in the inactive region of the other side of the substrate; And a second outer electrode wiring formed to be electrically connected to the second transparent electrode pattern portion in the inactive region of the other side of the substrate, wherein the capacitance changes due to contact with the first and second transparent electrode pattern portions.
- a capacitive touch screen panel characterized in that configured to detect the contact position.
- the external driver may be bonded to the first and second outer electrode wirings on the inactive region of the other side of the substrate.
- a transparent substrate having one side bonded to the other side of the substrate by an interlayer adhesive and having a screen area and an inactive area; And a shielding electrode pattern for removing a noise signal formed in the screen area of the other side of the transparent substrate.
- the outer shielding electrode wiring may be further included in the inactive region of the other side of the transparent substrate to be electrically connected to the shielding electrode pattern.
- the transparent substrate having a screen area and an inactive area; A shielding electrode pattern for removing noise signal formed in one screen area of the transparent substrate; And an outer shielding electrode wiring formed to be electrically connected to the shielding electrode pattern on one side of an inactive region of the transparent substrate, the shielding electrode pattern and the outer shielding electrode wiring of the transparent substrate being formed by an interlayer adhesive.
- One side may be bonded to the other side of the substrate.
- the substrate is in the form of a transparent film, and may be formed using at least one of glass, polyethylene terephthalate (PET), polyethylene naphthalate (PEN), polyimide (PI), or acrylic. .
- PET polyethylene terephthalate
- PEN polyethylene naphthalate
- PI polyimide
- acrylic acrylic
- the first and second transparent electrode pattern portions include indium tin oxide (ITO), indium zinc oxide (IZO), AZO (Al-doped ZnO), carbon nanotubes (CNT), and conductive polymers (PEDOT). poly (3,4-ethylenedioxythiophene)), silver (Ag), or copper (Cu) transparent ink.
- ITO indium tin oxide
- IZO indium zinc oxide
- AZO Al-doped ZnO
- CNT carbon nanotubes
- PEDOT conductive polymers
- the first and second transparent electrode pattern portions may be formed in an orthogonal lattice shape, and the first transparent electrode pattern portions may be connected to each other in the longitudinal direction so that vertices of the plurality of triangular or rectangular sensing pads are spaced at a predetermined interval.
- a plurality of first transparent electrode patterns are arranged to be spaced apart by a predetermined interval in the horizontal direction
- the second transparent electrode pattern portion a plurality of second transparent electrode patterns connected to each other in the transverse direction so that the vertices of the plurality of triangle or rectangular sensing pads are spaced at a predetermined interval
- Each of the first transparent electrode patterns may be arranged to be spaced apart at regular intervals in the longitudinal direction so as to be disposed in an orthogonal shape.
- the shielding electrode pattern may be formed in a plate or mesh form.
- the capacitive touch screen panel of the present invention as described above, the problem that a malfunction occurs due to the touch of the upper portion of the electrode portion in the touch screen, and the damage and damage due to static electricity and touch during touch can be prevented
- the manufacturing cost of the touch screen can be efficiently reduced, and the manufacturing process of the touch screen panel can be greatly reduced.
- FIG. 1 to 4 are schematic views illustrating a cross-sectional structure of a touch screen including a capacitive touch screen panel according to embodiments of the present invention.
- FIG. 5 is an overall plan view illustrating a capacitive touch screen panel according to a first embodiment of the present invention.
- 6 and 7 are plan views illustrating only portions of the first and second substrates of FIG. 5, respectively.
- FIG. 8 is a vertical cross-sectional view for describing a capacitive touch screen panel according to a first embodiment of the present invention.
- FIG. 9 is a cross-sectional view taken along the line AA ′ of FIG. 5.
- FIG. 10 is an overall plan view for describing a capacitive touch screen panel according to a second embodiment of the present invention.
- 11 and 12 are plan views illustrating only portions of the first and second substrates of FIG. 10, respectively.
- FIG. 13 is a longitudinal cross-sectional view for describing a capacitive touch screen panel according to a second embodiment of the present invention.
- FIG. 14 is a cross-sectional view taken along the line BB ′ of FIG. 10.
- FIGS. 1 to 4 are diagrams schematically illustrating a cross-sectional structure of a touch screen including a capacitive touch screen panel according to embodiments of the present invention.
- one side surfaces of the first and second substrates 10 and 11 are basically bonded to each other by an interlayer adhesive O.
- the first outer electrode wiring 13 electrically connected to the first transparent electrode pattern 12 is formed in a specific shape in the specific region on the other side of the first substrate 10, and the second substrate 11 is formed.
- the second outer electrode wiring 15 electrically connected to the second transparent electrode pattern 14 is formed in a specific shape in the specific region of the other side of the substrate.
- a window screen 16 in the form of a flat plate bonded by the interlayer adhesive O may be attached to contact the other side of the first substrate 10 with a finger or a specific object (for example, a touch pen). It is provided.
- the third substrate 17 is bonded to one side by the interlayer adhesive O to remove the electromagnetic interference (EMI) noise on the other side of the second substrate 11, and
- the outer shielding electrode wiring 19 electrically connected to the grounding or noise signal removing shielding electrode pattern 18 is formed in a specific shape in a specific region on the other side of the substrate 17.
- the outer shielding electrode wiring 19 is preferably electrically connected to the external driving unit 170 (see FIG. 5) or an external printed circuit board (PCB), but is not limited thereto.
- the outer shielding electrode wiring 19 is removed.
- the shielding electrode pattern 18 may be directly bonded to the external driver 170 or the external printed circuit board (PCB).
- a cover 20 for a cover for protecting the touch panel bonded to the other side of the third substrate 17 by the interlayer adhesive O is provided.
- the positions of the third substrate 17, the shielding electrode pattern 18, and the outer shielding electrode wiring 19 are changed compared with those of FIG. 1, and one side surface of the third substrate 17 is changed.
- the shielding electrode pattern 18 and the outer shielding electrode wiring 19 are formed in a specific shape in a specific area, and one side of the third substrate 17 is formed on the second substrate 11 by the interlayer adhesive (O). It is attached to the other side.
- the touch panel protective cover 20 attached to the other side of the third substrate 17 by the interlayer adhesive O is provided, but is not limited thereto.
- the touch panel protective cover 20 is removed and the third By configuring the substrate 17 to perform the function of the touch panel protective cover 20, the manufacturing cost of the touch screen can be efficiently reduced, and the manufacturing process procedure of the touch screen panel can be greatly reduced. .
- FIG. 3 a structure in which one substrate 30 is used without using the first and second substrates 10 and 11 bonded to each other by the interlayer adhesive O as compared to FIG. 1 described above is provided.
- the first transparent electrode pattern 12 and the first outer electrode wiring 13 are formed in a specific shape on one side specific area of the 30, and the second transparent electrode pattern is formed on the other side specific area of the substrate 30.
- (14) and the second outer electrode wiring 15 are each formed in a specific shape.
- the position of the third substrate 17, the shielding electrode pattern 18, and the outer shielding electrode wiring 19 is changed as in FIG. 2 described above with reference to FIG. 3.
- the shielding electrode pattern 18 and the outer shielding electrode wiring 19 are formed in a specific shape on one side of the specific region of the side 17, and one side of the third substrate 17 is formed by the interlayer adhesive O. 2 is bonded to the other side of the substrate 11.
- the first to third substrates 10, 11, and 17 applied to the above-described FIGS. 1 to 4 may be formed in the form of a transparent dielectric film, for example, glass, PI, acrylic, It is preferably formed using polyethylene terephthalate (PET) or polyethylene naphthalate (PEN).
- PET polyethylene terephthalate
- PEN polyethylene naphthalate
- the interlayer adhesive O uses, for example, an optically clear adhesive (OCA) or the like as the transparent adhesive.
- OCA optically clear adhesive
- window screen 16 and the touch panel protective cover 20 may be formed using, for example, glass or polyethylene terephthalate (PET).
- PET polyethylene terephthalate
- first and second transparent electrode patterns 12 and 14 and the shielding electrode pattern 18 may be, for example, indium tin oxide (ITO) or indium zinc oxide (IZO). , AZO (Al-doped ZnO), carbon nanotubes (CNT), conductive polymers (PEDOT; poly (3,4-ethylenedioxythiophene)), it is preferably made using silver (Ag) or copper (Cu) transparent ink, etc. .
- first and second outer electrode wirings 13 and 15 and the outer shielding electrode wiring 19 are, for example, copper (Cu), nickel (Ni), aluminum (Al), chromium (Cr), and molybdenum (Mo). It is preferably formed using at least one of silver (Ag) and gold (Au).
- the operation principle of the touch screen according to the present invention configured as described above is the same as the operation principle of a conventional capacitive touch screen.
- the touch screen is touched by a finger or a specific object on the window screen 16.
- the capacitance is between the window screen 16, which is a dielectric, and the first transparent electrode pattern 12, and between the first and second substrates 10 and 11 or between the substrate 30 and the second transparent electrode pattern 14. This is induced.
- the controller 160 (refer to FIG. 5) detects the first and second direction coordinates of the touched position on the window screen 16 through the induced capacitance change.
- FIG. 5 is an overall plan view illustrating a capacitive touch screen panel according to a first embodiment of the present invention
- FIGS. 6 and 7 are only plan views illustrating only the first and second substrate portions of FIG. 5, respectively.
- 8 is a longitudinal cross-sectional view for describing a capacitive touch screen panel according to a first embodiment of the present invention
- FIG. 9 is a cross-sectional view taken along line AA ′ of FIG. 5.
- the capacitive touch screen panel according to the first embodiment of the present invention may be divided into first and second substrates 100 and 110, and first and second transparent electrode pattern portions ( 120 and 130, first and second outer electrode wirings 140 and 150, and the like.
- one side surfaces of the first and second substrates 100 and 110 are bonded to each other by the interlayer adhesive O, and have a screen area S and an inactive area X.
- the first and second substrates 100 and 110 may be in the form of transparent dielectric films, for example, glass, polyimide (PI), acrylic, polyethylene terephthalate (PET), polyethylene naphthalate (PEN), or the like. It is preferably formed using.
- PI polyimide
- PET polyethylene terephthalate
- PEN polyethylene naphthalate
- the first transparent electrode pattern part 120 is formed on the other side screen area S of the first substrate 100, and the vertices of the plurality of triangular or rectangular sensing pads SP are spaced apart from each other by a predetermined distance.
- the plurality of first transparent electrode patterns 125 electrically connected to each other in the longitudinal direction are arranged to be spaced apart at a predetermined interval in the lateral direction.
- the second transparent electrode pattern unit 130 is formed on the other side screen area S of the second substrate 110, and the vertices of the plurality of triangular or rectangular sensing pads SP are spaced apart from each other at regular intervals.
- the plurality of second transparent electrode patterns 135 electrically connected to each other in the lateral direction are arranged to be spaced at regular intervals in the longitudinal direction so as to be disposed in an orthogonal shape between the first transparent electrode patterns 125, thereby providing the first and second When the substrates 100 and 110 are viewed in a plane, they may be formed in an orthogonal lattice shape.
- the first and second transparent electrode pattern portions 120 and 130 may be, for example, indium tin oxide (ITO), indium zinc oxide (IZO), or AZO (Al-doped ZnO). ), Carbon nanotubes (CNTs), conductive polymers (PEDOT; poly (3,4-ethylenedioxythiophene)), silver (Ag) or copper (Cu) transparent ink is preferably used.
- ITO indium tin oxide
- IZO indium zinc oxide
- AZO Al-doped ZnO
- CNTs Carbon nanotubes
- PEDOT poly(ethylenedioxythiophene)
- silver (Ag) or copper (Cu) transparent ink is preferably used.
- the shape of the sensing pad is, for example, preferably formed in a triangle, square or rhombus, but is not limited to this, for example, may be formed in a variety of shapes, such as circular, oval or polygonal.
- the first outer electrode wiring 140 is formed to be electrically connected to each of the first transparent electrode patterns 125 of the first transparent electrode pattern part 120 on the other side inactive region X of the first substrate 100. It is.
- the second outer electrode wiring 150 is formed to be electrically connected to each of the second transparent electrode patterns 135 of the second transparent electrode pattern part 130 on the other side inactive region X of the second substrate 110. It is.
- the first and second outer electrode wirings 140 and 150 are electrically connected to each other to drive and control the touch screen panel as a whole.
- An external driving unit eg, a flexible printed circuit (FPC) or a chip on film (COF), etc.
- FPC flexible printed circuit
- COF chip on film
- one side is bonded to the other side of the second substrate 110 by an interlayer adhesive O (see FIG. 1), and has a transparent substrate (not shown) having a screen area S and an inactive area X (FIG. 1) and a shielding electrode pattern 18 (refer to FIG. 1) for noise signal removal formed on the other side screen area S of the transparent substrate.
- the outer shield electrode wiring 19 (refer to FIG. 1) may be further included in the inactive region X of the transparent substrate so as to be electrically connected to the shielding electrode pattern 18.
- the shielding electrode pattern 18 may be formed, for example, in the form of a plate or a mesh. Meanwhile, as shown in FIG. 2, the positions of the transparent substrate, the shielding electrode pattern 18, and the outer shielding electrode wiring 19 may be changed.
- FIG. 10 is an overall plan view for describing a capacitive touch screen panel according to a second embodiment of the present invention
- FIGS. 11 and 12 are plan views showing only first and second substrate portions of FIG. 10, respectively.
- 13 is a longitudinal cross-sectional view for describing a capacitive touch screen panel according to a second embodiment of the present invention
- FIG. 14 is a cross-sectional view taken along line B-B 'of FIG. 10.
- the capacitive touch screen panel according to the second embodiment of the present invention may be divided into first and second substrates 200 and 210, and first and second transparent electrode pattern portions ( 220 and 230, first and second outer electrode wirings 240 and 250, and the like.
- first and second substrates 200 and 210 and the first and second transparent electrode pattern parts 220 and 230 are the same as those of the first embodiment of the present invention, a detailed description thereof will be provided. Reference is made to the first embodiment of the invention.
- the capacitive touch screen panel according to the second embodiment of the present invention has a structure for bonding the external driving unit 270 to the end surface
- the first outer electrode wiring 240 includes the first and second substrates 200 and The second substrate is electrically connected to each of the first transparent electrode patterns 225 of the first transparent electrode pattern part 220 through at least one via hole (VH) formed on the inactive region X of the 210. It is formed on the other side inactive region X of 210.
- the second outer electrode wiring 250 is formed to be electrically connected to each of the second transparent electrode patterns 235 of the second transparent electrode pattern part 230 on the other side inactive region X of the second substrate 210. It is.
- the first and second substrates 200 and 210 are electrically connected to the first and second outer electrode wirings 240 and 250 to drive and control the touch screen panel as a whole.
- the external drive unit 270 mounted with the control unit 260 is bonded in a cross section.
- the external driving unit 270 mounted with the controller 260 protrudes outwardly and is bonded to the outside, but is not limited thereto, and the first and second substrates 200 and 210 of the first and second substrates 200 and 210 do not protrude outward. It may be bonded in cross section on the other side inactive region (X).
- one side is bonded to the other side of the second substrate 210 by the interlayer adhesive O (see FIG. 1), and has a transparent substrate (not shown) having a screen area S and an inactive area X (FIG. 1) and a shielding electrode pattern 18 (refer to FIG. 1) for noise signal removal formed on the other side screen area S of the transparent substrate.
- the outer shield electrode wiring 19 (refer to FIG. 1) may be further included in the inactive region X of the transparent substrate so as to be electrically connected to the shielding electrode pattern 18.
- the shielding electrode pattern 18 may be formed, for example, in the form of a plate or a mesh. Meanwhile, as shown in FIG. 2, the positions of the transparent substrate, the shielding electrode pattern 18, and the outer shielding electrode wiring 19 may be changed.
- the first and second substrates 100 and 110 (200 and 210) bonded to each other by the interlayer adhesive O are used, but the present invention is not limited thereto.
- a structure composed of one substrate 30 may be used without using the interlayer adhesive (O).
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Claims (17)
- 화면영역과 비활성영역을 갖는 제1 기판;상기 제1 기판의 일측면 화면영역에 형성되는 제1 투명전극패턴부;상기 제1 기판의 일측면 비활성영역에 상기 제1 투명전극패턴부와 전기적으로 연결되도록 형성되는 제1 외곽전극배선;층간 접착제에 의해 일측면이 상기 제1 기판의 타측면에 합착되며, 화면영역과 비활성영역을 갖는 제2 기판;상기 제2 기판의 타측면 화면영역에 형성되는 제2 투명전극패턴부; 및상기 제2 기판의 타측면 비활성영역에 상기 제2 투명전극패턴부와 전기적으로 연결되도록 형성되는 제2 외곽전극배선을 포함하여 이루어지되,상기 제1 및 제2 투명전극패턴부의 접촉에 의한 정전용량 변화에 따라 접촉 위치를 감지하도록 구성된 것을 특징으로 하는 정전용량 방식의 터치스크린 패널.
- 화면영역과 비활성영역을 갖는 제1 기판;상기 제1 기판의 일측면 화면영역에 형성되는 제1 투명전극패턴부;층간 접착제에 의해 일측면이 상기 제1 기판의 타측면에 합착되며, 화면영역과 비활성영역을 갖는 제2 기판;상기 제2 기판의 타측면 화면영역에 형성되는 제2 투명전극패턴부;상기 제2 기판의 타측면 비활성영역에 적어도 하나의 비아홀을 통해 상기 제1 투명전극패턴부와 전기적으로 연결되도록 형성되는 제1 외곽전극배선; 및상기 제2 기판의 타측면 비활성영역에 상기 제2 투명전극패턴부와 전기적으로 연결되도록 형성되는 제2 외곽전극배선을 포함하여 이루어지되,상기 제1 및 제2 투명전극패턴부의 접촉에 의한 정전용량 변화에 따라 접촉 위치를 감지하도록 구성된 것을 특징으로 하는 정전용량 방식의 터치스크린 패널.
- 제2 항에 있어서,상기 제2 기판의 타측면 비활성영역 상에 상기 제1 및 제2 외곽전극배선과 전기적으로 연결되도록 외부구동부가 본딩되는 것을 특징으로 하는 정전용량 방식의 터치스크린 패널.
- 제1 항 또는 제2 항에 있어서,층간 접착제에 의해 일측면이 상기 제2 기판의 타측면에 합착되며, 화면영역과 비활성영역을 갖는 투명 기판; 및상기 투명 기판의 타측면 화면영역에 형성되는 노이즈 신호 제거용 차폐전극패턴이 더 포함되는 것을 특징으로 하는 정전용량 방식의 터치스크린 패널.
- 제4 항에 있어서,상기 투명 기판의 타측면 비활성영역에 상기 차폐전극패턴과 전기적으로 연결되도록 외곽 차폐전극배선이 더 포함되는 것을 특징으로 하는 정전용량 방식의 터치스크린 패널.
- 제1 항 또는 제2 항에 있어서,화면영역과 비활성영역을 갖는 투명 기판;상기 투명 기판의 일측면 화면영역에 형성되는 노이즈 신호 제거용 차폐전극패턴; 및상기 투명 기판의 일측면 비활성영역에 상기 차폐전극패턴과 전기적으로 연결되도록 형성되는 외곽 차폐전극배선이 더 포함되어 이루어지되,층간 접착제에 의해 상기 투명 기판의 차폐전극패턴 및 외곽 차폐전극배선을 포함한 일측면이 상기 제2 기판의 타측면에 합착되는 것을 특징으로 하는 정전용량 방식의 터치스크린 패널.
- 제1 항 또는 제2 항에 있어서,상기 제1 및 제2 기판은 투명필름 형태로 이루어지며, 글라스(Glass), PET(Polyethylene Terephthalate), PEN(Polyethylene Naphthalate), PI(Polyimide) 또는 아크릴(Acryl) 중 적어도 어느 하나를 이용하여 형성되는 것을 특징으로 하는 정전용량 방식의 터치스크린 패널.
- 화면영역과 비활성영역을 갖는 기판;상기 기판의 일측면 및 타측면 화면영역에 각각 형성되는 제1 및 제2 투명전극패턴부; 및상기 기판의 일측면 및 타측면 비활성영역에 상기 제1 및 제2 투명전극패턴부와 각각 전기적으로 연결되도록 형성되는 제1 및 제2 외곽전극배선을 포함하여 이루어지되,상기 제1 및 제2 투명전극패턴부의 접촉에 의한 정전용량 변화에 따라 접촉 위치를 감지하도록 구성된 것을 특징으로 하는 정전용량 방식의 터치스크린 패널.
- 화면영역과 비활성영역을 갖는 기판;상기 기판의 일측면 및 타측면 화면영역에 각각 형성되는 제1 및 제2 투명전극패턴부;상기 기판의 타측면 비활성영역에 적어도 하나의 비아홀을 통해 상기 제1 투명전극패턴부와 전기적으로 연결되도록 형성되는 제1 외곽전극배선; 및상기 기판의 타측면 비활성영역에 상기 제2 투명전극패턴부와 전기적으로 연결되도록 형성되는 제2 외곽전극배선을 포함하여 이루어지되,상기 제1 및 제2 투명전극패턴부의 접촉에 의한 정전용량 변화에 따라 접촉 위치를 감지하도록 구성된 것을 특징으로 하는 정전용량 방식의 터치스크린 패널.
- 제9 항에 있어서,상기 기판의 타측면 비활성영역 상에 상기 제1 및 제2 외곽전극배선과 전기적으로 연결되도록 외부구동부가 본딩되는 것을 특징으로 하는 정전용량 방식의 터치스크린 패널.
- 제8 항 또는 제9 항에 있어서,층간 접착제에 의해 일측면이 상기 기판의 타측면에 합착되며, 화면영역과 비활성영역을 갖는 투명 기판; 및상기 투명 기판의 타측면 화면영역에 형성되는 노이즈 신호 제거용 차폐전극패턴이 더 포함되는 것을 특징으로 하는 정전용량 방식의 터치스크린 패널.
- 제11 항에 있어서,상기 투명 기판의 타측면 비활성영역에 상기 차폐전극패턴과 전기적으로 연결되도록 외곽 차폐전극배선이 더 포함되는 것을 특징으로 하는 정전용량 방식의 터치스크린 패널.
- 제8 항 또는 제9 항에 있어서,화면영역과 비활성영역을 갖는 투명 기판;상기 투명 기판의 일측면 화면영역에 형성되는 노이즈 신호 제거용 차폐전극패턴; 및상기 투명 기판의 일측면 비활성영역에 상기 차폐전극패턴과 전기적으로 연결되도록 형성되는 외곽 차폐전극배선이 더 포함되어 이루어지되,층간 접착제에 의해 상기 투명 기판의 차폐전극패턴 및 외곽 차폐전극배선을 포함한 일측면이 상기 기판의 타측면에 합착되는 것을 특징으로 하는 정전용량 방식의 터치스크린 패널.
- 제8 항 또는 제9 항에 있어서,상기 기판은 투명필름 형태로 이루어지며, 글라스(Glass), PET(Polyethylene Terephthalate), PEN(Polyethylene Naphthalate), PI(Polyimide) 또는 아크릴(Acryl) 중 적어도 어느 하나를 이용하여 형성되는 것을 특징으로 하는 정전용량 방식의 터치스크린 패널.
- 제1 항, 제2 항, 제8 항 또는 제9 항 중 어느 한 항에 있어서,상기 제1 및 제2 투명전극패턴부는 인듐-틴-옥사이드(ITO), 인듐-징크-옥사이드(IZO), AZO(Al-doped ZnO), 탄소나노튜브(CNT), 전도성 고분자(PEDOT; poly(3,4-ethylenedioxythiophene)), 은(Ag) 또는 구리(Cu) 투명잉크 중 적어도 어느 하나를 이용하여 이루어진 것을 특징으로 하는 정전용량 방식의 터치스크린 패널.
- 제1 항, 제2 항, 제8 항 또는 제9 항 중 어느 한 항에 있어서,상기 제1 및 제2 투명전극패턴부의 형상이 직교형 격자모양으로 이루어질 수 있도록 상기 제1 투명전극패턴부는 다수개의 삼각형 또는 사각형 센싱패드의 꼭지점이 일정간격 이격되게 종방향으로 서로 연결된 다수개의 제1 투명전극패턴이 횡방향으로 일정간격 이격되게 배열되고,상기 제2 투명전극패턴부는 다수개의 삼각형 또는 사각형 센싱패드의 꼭지점이 일정간격 이격되게 횡방향으로 서로 연결된 다수개의 제2 투명전극패턴이 각 제1 투명전극패턴 사이사이에 직교형태로 배치되도록 종방향으로 일정간격 이격되게 배열되는 것을 특징으로 하는 정전용량 방식의 터치스크린 패널.
- 제4 항, 제6 항, 제11 항 또는 제13 항 중 어느 한 항에 있어서,상기 차폐전극패턴은 플레이트 또는 메쉬 형태로 이루어진 것을 특징으로 하는 정전용량 방식의 터치스크린 패널.
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| CN2009801310869A CN102124427A (zh) | 2009-02-23 | 2009-09-25 | 电容式触摸屏面板 |
| US12/747,375 US20110109583A1 (en) | 2009-02-23 | 2009-09-25 | Capacitive Touch Screen Panel |
| JP2011518667A JP2011528147A (ja) | 2009-02-23 | 2009-09-25 | 静電容量方式のタッチスクリーンパネル |
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| KR1020090014912A KR100921709B1 (ko) | 2009-02-23 | 2009-02-23 | 정전용량 방식의 터치스크린 패널 |
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| US (1) | US20110109583A1 (ko) |
| JP (1) | JP2011528147A (ko) |
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Also Published As
| Publication number | Publication date |
|---|---|
| US20110109583A1 (en) | 2011-05-12 |
| CN102124427A (zh) | 2011-07-13 |
| CN104679371A (zh) | 2015-06-03 |
| JP2011528147A (ja) | 2011-11-10 |
| KR100921709B1 (ko) | 2009-10-15 |
| CN103365519A (zh) | 2013-10-23 |
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