WO2017086751A1 - 터치 입력장치, 이를 포함하는 차량, 및 그 제조방법 - Google Patents
터치 입력장치, 이를 포함하는 차량, 및 그 제조방법 Download PDFInfo
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- WO2017086751A1 WO2017086751A1 PCT/KR2016/013372 KR2016013372W WO2017086751A1 WO 2017086751 A1 WO2017086751 A1 WO 2017086751A1 KR 2016013372 W KR2016013372 W KR 2016013372W WO 2017086751 A1 WO2017086751 A1 WO 2017086751A1
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- sensing
- touch
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- 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
-
- 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
-
- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive 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
- G06F3/044—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K20/00—Arrangement or mounting of change-speed gearing control devices in vehicles
- B60K20/02—Arrangement or mounting of change-speed gearing control devices in vehicles of initiating means
-
- 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
-
- 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
- G06F2203/04111—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
Definitions
- the present invention relates to a touch input device, a vehicle including the same, and a manufacturing method thereof, and more particularly, to a touch input device capable of inputting a touch signal, a vehicle including the same, and a manufacturing method thereof.
- Input devices are used in various types of display systems for providing information to users such as portable terminals, laptops, smart phones, smart pads, and smart TVs. Recently, with the development of electronic devices, a method of inputting a command signal using a touch has been used in addition to a method of inputting using a manipulation key, a dial, and the like.
- the touch input device is an input device that forms an interface between an information communication device using various displays and a user.
- the user may directly touch or approach a touch pad or a touch screen using an input tool such as a finger or a touch pen. It allows the interface between the device and the user.
- Touch input devices are used in various devices such as ATMs (Automated Teller Machines), PDAs (Personal Digital Assistants), and mobile phones because they can be easily used by both men and women simply by touching input tools such as fingers or touch pens. It is also widely used in many fields such as banks, government offices, tourism and transportation.
- a resistive method, a capacitive method, a surface ultrasonic method, a transmitter method, and the like are used.
- the touch input devices using the capacitive type there is a type of forming an electrode pattern in a direction crossing each other, and detecting an input position by detecting a change in capacitance between electrodes when an input means such as a finger touches each other. .
- a touch input device includes a plurality of first metals electrically connecting first sensing patterns arranged in a first direction (for example, an x-axis direction) to a first substrate and a sensor circuit for calculating positions of the sensing patterns.
- Japanese Patent Laid-Open No. 10-2008-0110477 discloses a capacitive touch panel having a single-sheet two-layer structure.
- the conventional capacitive touch pad is formed only on a smooth curved surface, and there is no technique for forming a touch pad on a complicated curved surface.
- An object of the present invention is to provide a touch input device and a method of manufacturing the same, which enable touch input even in a complicated shape without malfunction.
- the touch unit receives a user's touch signal, the touch portion is formed;
- a base provided integrally with the touch unit or disposed under the touch unit and having a pattern groove formed in an area corresponding to the touch unit;
- a sensing pattern provided in the pattern groove, wherein the resistance of the sensing pattern disposed below the recess is smaller than the resistance of the sensing pattern located outside the recess.
- the vertical cross section width of the sensing pattern positioned below the recess may be greater than the vertical cross section width of the sensing pattern located outside the recess.
- the base may comprise a metal composite.
- the base is a resin containing any one or more of PC (Polycarbonate), PA (Polyamide), and ABS (acrylonitrile-butadiene-styrene copolymer) and Mg, Cr, Cu, Ba, Fe, Ti, and It may include a metal oxide containing any one or more of Al.
- the touch unit further comprises a base material is formed, the base may be provided is coated on the bottom of the base material.
- the base material may be any one or more of resin, glass, and leather.
- the base may include a first base disposed under the base material and a second base disposed under the first base, wherein the pattern groove and the sensing pattern are formed on one surface of the first base.
- a first pattern groove, a first sensing pattern, and a second pattern groove and a second sensing pattern formed on one surface of the second base may be included.
- providing a base material including a recess and providing a base including a metal composite under the base material, to form a pattern groove by irradiating a laser to the touch area of the base, the recess A touch for forming at least one of the width or depth of the pattern groove in the region where the additional portion is located and the outer region of the recess is different from each other, and forming a sensing pattern including a conductive material through the plating or deposition process in the pattern groove.
- a method for manufacturing an input device can be provided.
- any one or more of the width or depth of the pattern groove in the region where the recess is located may be formed to be larger than any one or more of the width or depth of the pattern groove in the outer region of the recess.
- a metal seed may be exposed to an inner surface of the pattern groove in a process of irradiating a laser to one surface of the base, and a conductive material may be attached onto the metal seed in the process of plating or depositing the sensing pattern.
- the forming of the pattern groove may include forming a first pattern groove and a second pattern groove spaced apart from each other, and the forming of the sensing pattern may include plating or depositing the first pattern groove on the first pattern groove. And forming a first sensing pattern and a second sensing pattern to be plated or deposited in the second pattern groove, and after providing current to the first and second sensing patterns, mutual capacitance between the two sensing patterns.
- the method may further include determining whether the sensor can be used as a sensor by checking a change in the mutual capacitance.
- a vehicle including the touch input device may be provided.
- the touch input device may be installed in a centralized control system installed in the gearbox.
- the touch input device may include a touch surface having a complicated shape such as a recessed part, and increase the resistance of the recessed part so that the user may make a touch input at a desired point.
- the touch input device according to the embodiment of the present invention is manufactured using the laser directing structure (LDS) method, the manufacturing process may be simplified and the process cost may be reduced.
- LDS laser directing structure
- the base on which the touch area is provided can be extended to the portion connecting the integrated circuits and formed integrally, the manufacturing process can be simplified and the process cost can be reduced.
- the base can be formed by the injection method, the manufacturing cost can be reduced.
- the bonding portion used to electrically connect the sensing pattern to the integrated circuit can be minimized, durability against high heat and vibration is improved.
- the sensing pattern may be formed even when the touch unit is provided as a curved surface.
- FIG. 1 is a structural diagram showing an electrode arrangement of a touch input device according to a first embodiment of the present invention.
- FIG. 2 is a cross-sectional view illustrating a touch input device according to a first embodiment of the present invention.
- FIG. 3 is an exploded perspective view illustrating a touch input device according to a first embodiment of the present invention.
- FIG. 4 is a flowchart illustrating a method of manufacturing a touch input device according to a first embodiment of the present invention.
- 5 to 11 schematically illustrate a method of manufacturing a touch input device according to a first embodiment of the present invention.
- FIG. 5 illustrates a process of preparing a first base
- FIG. 6 illustrates a process of processing a first pattern groove
- FIG. 7 illustrates a process of forming a first sensing pattern
- FIG. 8 illustrates a process of stacking a second base.
- 9 illustrates a process of processing a second pattern groove
- FIG. 10 illustrates a process of forming a second sensing pattern
- FIG. 11 illustrates a process of stacking a coating layer.
- FIG. 12 is a cross-sectional view illustrating a touch input device according to a second embodiment of the present invention.
- FIG. 13 is a flowchart illustrating a method of manufacturing a touch input device according to a second embodiment of the present invention.
- FIG. 14 is a cross-sectional view illustrating a touch input device according to a third embodiment of the present invention.
- 15 is a flowchart illustrating a method of manufacturing a touch input device according to a third embodiment of the present invention.
- FIG. 16 is a cross-sectional view illustrating a touch input device according to a fourth embodiment of the present invention.
- 17 to 24 schematically illustrate a method of manufacturing a touch input device according to a fourth embodiment of the present invention.
- FIG. 17 illustrates a process of preparing a heterogeneous base material
- FIG. 18 illustrates a process of stacking a first base
- FIG. 19 illustrates a process of processing a first pattern groove
- FIG. 20 illustrates a process of forming a first sensing pattern
- 21 illustrates a process of stacking a second base
- FIG. 22 illustrates a process of processing a second pattern groove
- FIG. 23 illustrates a process of forming a second sensing pattern
- FIG. 24 illustrates a process of stacking a coating layer.
- 25 is a cross-sectional view illustrating a touch input device according to a fifth embodiment of the present invention.
- Fig. 27 is a diagram showing an operating state when the resistance value is changed according to the curvature.
- the touch input device may be provided in the form of a touch pad, or may be provided in the form of a touch panel.
- the touch input device is a means for receiving a signal by contact (or proximity) of an input means such as a user's finger, and determining a contacted position (or proximity).
- the touch pad is mainly used as an input device such as a notebook, and recently, is used as an input device of a vehicle.
- the touch panel is a type of interactive graphic input device that allows a user to directly specify a position while viewing a screen.
- the structure of the touch input device 100 will be described with reference to FIG. 1.
- FIG. 1 is a structural diagram showing an arrangement of electrodes of a touch input device 100 according to a first embodiment of the present invention. Although it is different from what is actually seen, FIG. 1 is a plan view for clearly showing an operation method of the touch input device 100.
- the touch input device 100 may be formed integrally with the touch unit 10 or the touch unit 10 that may contact the user's input means (for example, a finger or a touch pen), or may be provided below the touch unit 10.
- the first and second sensing patterns 120 and 140, the wiring unit 30 and the connection pad 40 connected thereto are included.
- the first sensing pattern 120 and the second sensing pattern 140 have a predetermined pattern to detect a change in capacitance when the user touches the touch input device 100 with a finger or a touch pen, and detect the position thereof. Can be formed.
- the contact (touch) may be defined as including both direct contact and indirect contact. That is, direct contact indicates a case in which the object touches the touch input device 100, and indirect contact indicates a state in which the sensing pattern does not touch the touch input device 100 but approaches a range within which a sensing pattern can detect the object. .
- the first sensing pattern 120 may be arranged by dividing a predetermined section in a first direction (horizontal direction in the drawing), and the second sensing pattern 140 may be partitioned in a direction different from the first direction (vertical direction in the drawing). Can be arranged by dividing.
- the first sensing pattern 120 and the second sensing pattern 140 are provided on different layers and form an intersection portion 11. In the intersection part 11, the first sensing pattern 120 and the second sensing pattern 140 may overlap each other without the direct contact between the insulating parts.
- the intersection 11 may determine the resolution of the touch unit 10 and may be recognized as coordinates. That is, the case where the input means contacts the intersection 11 and the case where the input means contacts the intersection 11 adjacent thereto can be distinguished, and the input means is connected to the intersection 11 at any position. You can find out if the contact was made. Therefore, as more intersections 11 are formed in the same area, the resolution of the touch unit 10 increases.
- One end of the first and second sensing patterns 120 and 140 may be connected to the wiring unit 30 made of metal wiring.
- a connection pad 40 may be provided at one end of the wiring unit 30, and each wiring unit 30 may be connected to a circuit board (not shown) through the connection pad 40.
- connection part 20 may be provided at one end of the first and second sensing patterns 120 and 140. Since the connection part 20 is provided to be wider than the width of the first and second sensing patterns 120 and 140, it is easy to electrically connect the wiring part 30.
- the connection part 20 and the wiring part 30 may be adhered by a conductive adhesive (eg, solder).
- the wiring unit 30 transmits the sensing signal of the sensing pattern to the circuit board through the connection pad 40.
- the wiring part 30 and the connection pad 40 may be formed of a conductive material.
- the capacitance of the cross section 11 is reduced, and the information about the capacitance is controlled by the wiring unit 30 and the connection pad 40.
- the circuit board may be reached, and the control unit may determine at which position the input unit is in contact.
- the capacitance may be reduced when the input means approaches a region of the touch unit 10. In this case, the controller may determine in which position the input means is close.
- FIG. 2 is a cross-sectional view illustrating a touch input device 100 according to a first embodiment of the present invention
- FIG. 3 is an exploded perspective view illustrating the touch input device 100 according to a first embodiment of the present invention.
- the touch input device 100 may include a first base 110 including a first pattern groove 111, a first sensing pattern 120 plated on the first pattern groove 111, and a first base 110. Insulating the second base 130 stacked on the second base 130 including the second pattern groove 131, the second sensing pattern 140 plated on the second pattern groove 131, and the second sensing pattern 140.
- the coating layer 150 may be included.
- the first sensing pattern 120 and the second sensing pattern 140 may be formed on the first base 110 and the second base 130 by using a laser directing structure (LDS) method.
- LDS laser directing structure
- the LDS method forms a support material with a material containing a non-conductive, chemically stable metal complex, and chemically bonds the metal complex by exposing a part of the support material to a laser such as an ultraviolet (Ultra Violet) laser or an excimer laser. After dismantling to expose the metal seed, and then metallizing the support material (Metalizing) means a method of forming a conductive structure on the laser exposed portion of the support material.
- a laser such as an ultraviolet (Ultra Violet) laser or an excimer laser.
- Metalizing metallizing the support material
- Such LDS method is disclosed in Korean Patent Publication No. 374667, Korean Patent Publication No. 2001-40872, and Korean Patent Application Publication No. 2004-21614, which are incorporated herein by reference.
- the first and second sensing patterns 120 and 140 may be made of a conductive material.
- the first and second sensing patterns 120 and 140 may be metal.
- copper (Cu) may be used among metals.
- the first and second sensing patterns 120 and 140 may be formed of a metal such as gold in addition to copper.
- the first sensing pattern 120 may extend in a first direction (horizontal direction in the drawing), and each pattern may be arranged in a row.
- the second sensing patterns 140 may extend in a second direction (vertical direction in the drawing) perpendicular to the first direction, and each pattern may be arranged in a row.
- the crossing angle between the first sensing pattern 120 and the second sensing pattern 140 is not limited to the vertical.
- first sensing pattern 120 and the second sensing pattern 140 may include shapes in which rhombic patterns are continuously connected.
- shape of the pattern is not limited to the lozenge, and various shapes may be adopted as necessary.
- Adjacent rhombic patterns are connected by a connection part, and the connection part may be provided in a bridge type for connecting the two patterns.
- the first base 110 and the second base 130 may include a metal composite.
- the first base 110 and the second base may be a composite including a resin and a metal oxide.
- the resin may include any one or more of polycarbonate (PC), polyamide (PA), and acrylonitrile-butadiene-styrene copolymer (ABS), and the metal oxide is Mg, Cr, Cu, Ba, Fe, Ti. It may include any one or more of, and Al.
- a first pattern groove 111 is formed on one surface of the first base 110 to accommodate the first sensing pattern 120, and the second sensing pattern 140 is accommodated on one surface of the second base 130.
- the second pattern groove 131 is formed. That is, the first and second sensing patterns 120 and 140 may be provided inside the first and second pattern grooves 111 and 131.
- the first and second pattern grooves 111 and 131 are formed by irradiating a laser to one surface of the first and second bases 110 and 130. At this time, the first and second bases 110 and 130 are reduced to the metal by heat generated as the grooves are formed, and the portion reduced to the metal is formed in the first and second pattern grooves 111 and 131. Seed).
- the first and second sensing patterns 120 and 140 are formed by plating on the first and second pattern grooves 111 and 131.
- the process of plating on the metal seed may omit the detailed description since it may use a known plating technique.
- the first and second sensing patterns 120 and 140 may be formed by a deposition process.
- the plating process and the deposition process may be combined.
- the first and second sensing patterns 120 and 140 are formed by a plating process.
- the first and second sensing patterns 120 and 140 may include copper (Cu) plating, and may perform an oxidation treatment by plating nickel (Ni) on the copper plating. In addition, when gold (Au) plating is used, conductivity may be improved.
- first and second bases 110 and 130 may be formed by injecting a metal composite, or may be formed by injecting another material (for example, plastic or glass) and coating the metal composite thereon.
- FIG. 4 is a flowchart illustrating a manufacturing method of the touch input device 100 according to the first embodiment of the present invention.
- 5 to 11 illustrate a method of manufacturing the touch input device 100 according to the first embodiment of the present invention.
- FIG. 5 is a diagram illustrating a process of preparing a first base 110 (S100).
- the first base 110 may include a metal composite.
- the first base 110 may be a composite including a resin and a metal oxide.
- the resin may include any one or more of polycarbonate (PC), polyamide (PA), and acrylonitrile-butadiene-styrene copolymer (ABS), and the metal oxide is Mg, Cr, Cu, Ba, Fe, Ti. It may include any one or more of, and Al.
- the first base 110 may be formed using an injection method.
- the first base 110 may be formed by injecting a metal composite, or may be formed by coating the metal composite on one surface of a base material formed of other material such as plastic or glass.
- the first base 110 may have a curved surface formed on one surface thereof.
- one surface of the first base 110 may have a curved surface that is recessed into a portion of the spherical surface.
- FIG. 6 is a diagram illustrating a process (S110) of processing the first pattern groove 111.
- the first pattern groove 111 is formed by irradiating a laser such as a UV (ultra violet) laser or an excimer laser on one surface of the first base 110. At this time, the heat generated while the groove is formed to decompose the chemical bonds of the metal composite to reduce the metal, to form a metal seed (Seed) in the first pattern groove (111).
- a laser such as a UV (ultra violet) laser or an excimer laser
- the first pattern groove 111 may be formed on one surface of the first base 110 having a curved surface. Since the groove is formed by irradiating the laser, various shapes of patterns may be formed regardless of the surface shape of the first base 110.
- FIG. 7 is a diagram illustrating a process of forming the first sensing pattern 120 (S120).
- the first sensing pattern 120 may be formed by metallizing the first pattern groove 111 to which the metal seed is exposed.
- the first sensing pattern 120 may include copper plated on the first pattern groove 111. It is also possible to plate nickel over copper plating for anti-oxidation treatment.
- FIG. 8 is a diagram illustrating a process of stacking the second base 130 (S130)
- FIG. 9 is a diagram illustrating a process (S140) of processing the second pattern groove 131
- FIG. 10 is a second sensing pattern.
- 140 shows a process of forming 140 (S150).
- the second base 130 may be formed of a metal composite and may be formed by being coated on the first base 110.
- the descriptions of FIGS. 5 to 7 may be applied, and thus redundant descriptions thereof will be omitted.
- FIG. 11 is a diagram illustrating a process of stacking the coating layer 150 (S160).
- the coating layer 150 may be formed by coating on the second base 130 to protect the second sensing pattern 140 from external impact or contaminants. In addition, the coating layer 150 may configure a touch surface of the touch unit 10.
- the coating layer 150 may be formed by UV coating or UV coating using a sunscreen.
- the method may further include an inspection process S170 of inspecting whether the touch input device 100 made by the process of FIGS. 5 to 11 operates properly.
- the inspection process S170 provides a current to the first and second sensing patterns 120 and 140, and examines the change in mutual capacitance between the two sensing patterns to determine whether it can be used as a sensor. Process. In order for the touch input device 100 to function as a product, mutual capacitance between the first and second sensing patterns 120 and 140 when the input means contacts the touch unit 10 is changed, and the input means is detected and input means. This is because the touched position must be detected.
- the inspection process (S170) may be made before the process of stacking the coating layer 150 (S160). This is because the second detection pattern 140 may be repaired due to failure to receive a suitability determination in the inspection process S170.
- FIG. 12 is a cross-sectional view illustrating a touch input device 100-1 according to a second embodiment of the present invention.
- the touch input device 100-1 includes a base 110-1 and a first pattern groove 111 formed on one surface of the base 110-1. ), The second pattern groove 112 formed on the back surface of the base 110-1, the first sensing pattern 120 plated on the first pattern groove 111, and the second pattern groove 112.
- the second sensing pattern 140 to be plated, the first coating layer 150-1 coated on one surface of the base 110-1, and the second coating layer coated on the other surface of the base 110-1. (150-2).
- the touch input device 100-1 may form the first sensing pattern 120 and the second sensing pattern 140 on both surfaces of the base, respectively. That is, since only one base 110-1 is used to form two layers of sensing patterns, the thickness of the touch input device 100 can be reduced and a slim product can be made.
- connection part 20 for connecting the sensing patterns 120 and 140 and the wiring part 30 may be formed on one surface of the base 110-1.
- any one of the first sensing pattern 120 or the second sensing pattern 140 may extend to the opposite side of the base 110-1 to be connected to the connection unit 20.
- FIG. 13 is a flowchart illustrating a method of manufacturing the touch input device 100-1 according to the second embodiment of the present invention.
- the base 110-1 is prepared (S200), and a first pattern groove is formed on one surface of the base 110-1.
- Process (S210) 111
- form the first pattern pattern 111 by plating the first sensing pattern 120 (S220), and reverse the base (110-1) the back of the base (110-1)
- the second pattern groove 112 is processed (S230), the second pattern groove 112 is formed by plating the second sensing pattern 140 (S240), and the one side of the base 110-1
- the first paint layer 150-1 is laminated (S260) to protect the first sensing pattern 120, and the second paint layer 150-2 is laminated (S270) on the other surface of the base 110-1. And protecting the second sensing pattern 140.
- the step S210 of processing the first pattern groove 111 on one surface of the base 110-1 and the step S230 of processing the second pattern groove 112 on the back surface may be performed simultaneously or continuously.
- the process of plating the first sensing pattern 120 (S220) and the process of plating the second sensing pattern 140 (S240) may also be performed simultaneously or continuously.
- the inspection process S250 of checking whether the first sensing pattern 120 and the second sensing pattern 140 are in normal operation may be performed before the first and second coating layers 150 are laminated (S260 and S270). have.
- FIG. 14 is a cross-sectional view illustrating a touch input device 100-2 according to a third embodiment of the present invention.
- the touch input device 100-2 may include a base 110-2 and a first pattern groove 111 formed on one surface of the base 110-2. ) And the second pattern groove 112, the first sensing pattern 120 plated on the first pattern groove 111, the second sensing pattern 140 plated on the second pattern groove 112, and the base.
- the coating layer 150 is coated on one surface of the 110-2.
- the touch input device 100-2 may form both the first sensing pattern 120 and the second sensing pattern 140 on one surface of the base 110-2. That is, since only one base 110-2 is used to form two layers of sensing patterns, the thickness of the touch input device 100 can be reduced and a slim product can be made.
- the first sensing pattern 120 and the second sensing pattern 140 are provided to be separated by a predetermined distance without being connected to each other.
- the first sensing pattern 120 and the second sensing pattern 140 may form a pattern so as not to cross each other.
- the shape of the pattern may be provided in various ways. For example, US Patent Publication No. 2015-0234492 discloses a plurality of patterns formed on one surface.
- first sensing pattern 120 and the second sensing pattern 140 may form a pattern to cross each other, but a relay electrode (not shown) may be used so that the two sensing patterns 120 and 140 do not contact each other at the crossing portion. Can be.
- 15 is a flowchart illustrating a manufacturing method of the touch input device 100-2 according to the third embodiment of the present invention.
- the base 110-2 is first prepared (S300), and the first pattern groove is formed on one surface of the base 110-2.
- the first and second pattern grooves 112 are processed (S320), and the first sensing pattern 120 is formed in the first pattern groove 111, and the second sensing pattern 140 is formed in the second pattern groove 112.
- Plating to form (S320) and coating the coating layer 150 on one surface of the base 110-2 (S340) to protect the first and second sensing patterns 120 and 140.
- the inspection process S330 of checking whether the first sensing pattern 120 and the second sensing pattern 140 are in normal operation may be performed before laminating the coating layer 150.
- 16 is a cross-sectional view illustrating the touch input device 100-3 according to the fourth embodiment of the present invention.
- the touch input device 100-3 according to the fourth embodiment of the present invention may be provided on the bottom surfaces of the base materials 51 and 52 made of various materials. That is, the user may input the touch signal to the touch input device 100-3 by touching the base materials 51 and 52.
- the base materials 51 and 52 may be made of a non-conductive material.
- the base materials 51 and 52 may include resin, glass, or leather.
- the base materials 51 and 52 may have a thin thickness.
- the thickness of the base materials 51 and 52 is a mutual electrostatic discharge of the first and second sensing patterns 120 and 140 provided on the back surface of the base materials 51 and 52 when a person touches the base materials 51 and 52 with a finger. It can be determined within the range in which a change in dose can occur.
- the usability of the touch input device may be increased.
- the first base 120 By attaching the first base 120 to the base materials 51 and 52 formed of various materials, selection of materials of the base materials 51 and 52 may be varied. Also, by using the coating process to attach the first base 120 to the base materials 51 and 52, durability to heat or vibration may be improved.
- the touch input device when used in a vehicle, the utility is very large.
- it may be installed in the gearbox to operate as a central control system, in addition to the handle, door trim, ceiling, glass, or filler may be provided in place of a physical button.
- the base materials 51 and 52 may have a stiff surface or may be elastic. In addition, the base materials 51 and 52 may harden and may not be deformed (rigid) or may be bent (Flexible). In addition, the base materials 51 and 52 may be formed by an injection molding method.
- the base materials 51 and 52 may be provided by joining different kinds of materials.
- the first base material 51 and the second base material 52 may be bonded to each other.
- various devices are provided in which various materials are bonded to each other.
- the resin and the glass may be bonded, or different kinds of resin may be bonded.
- the aesthetics of the interior can be increased.
- the user can have a different touch depending on the material of the material.
- the materials of the base materials 51 and 52 are changed, the dielectric constants of the base materials 51 and 52 are changed, so that uniform touch recognition may be a problem.
- the touch input device 100-3 may enable a user to continuously touch input across the boundary 53 of the heterogeneous base materials 51 and 52.
- the touch recognition degree may be uniform. That is, the touch sensitivity when the touch signal is input to the first base material 51 and the touch sensitivity when the touch signal is input to the second base material 52 may be provided in the same manner.
- the first base material 51 and the second base material 52 may be bonded to each other.
- a vertical cross section of the bonding portion may be provided in a step shape.
- the first and second base materials 51 and 52 may be provided at the same height. Accordingly, the top surfaces of the first and second base materials 51 and 52 may form the same plane, and the bottom surfaces of the first and second base materials 51 and 52 may also form the same plane.
- the first base 110 may be coated and attached to the bottoms of the first and second base materials 51 and 52.
- the first base 110 may be provided to cover the boundary 53 between the first and second base materials 51 and 52. That is, the first base 110 may be integrally provided at the bottom of the first and second base materials 51 and 52.
- the first pattern groove 111 may be formed on the bottom surface of the first base 110.
- the first pattern groove 111 may include a plurality of patterns arranged in one direction.
- the first pattern groove 111 may be provided in different widths or depths according to the dielectric constants of the base materials 51 and 52.
- the amount of change in capacitance in order to provide a uniform touch on the touch surface, the amount of change in capacitance must be constant according to a region in which the user's input means contacts.
- the amount of change in capacitance means the amount of capacitance after the user's input means is reduced from the capacitance before the user's input means contacts, and the capacitance that is reduced as the user's input means contacts the base material 51, 52) and the charge is lost through the user's input means.
- the permittivity depends on the permittivity of the base materials 51 and 52.
- the dielectric constants of the base materials 51 and 52 increase, as the widths of the sensing patterns 120 and 140 increase, or the surfaces and the sensing patterns 120 and 140 of the base materials 51 and 52 are increased. It can be seen that the capacitance increases as the distance between them decreases. In this case, the distance between the surfaces of the base materials 51 and 52 and the sensing patterns 120 and 140 decreases as the depth of the pattern grooves 111 and 131 deepens.
- the widths of the branch patterns 120 and 140 disposed under the heterogeneous base materials 51 and 52 may be different, or the patterns may be different.
- the depths of the grooves 111 and 131 should be different.
- the first sensing patterns 120a and 120b disposed under the first base material 51 and the second base material 52.
- the amount of change in the capacitance in the first base material 51 It becomes smaller than the change amount of the capacitance in the second base material 52.
- the touch sensitivity in the first base material 51 and the touch sensitivity in the second base material 52 are changed.
- the width of the first sensing pattern 120a provided under the first base material 51 is greater than the width of the first sensing pattern 120b provided under the second base material 52.
- the change in capacitance generated in the first base material 51 may be constant with the change in capacitance generated in the second base material 52.
- the first base material 51 by making the depth of the first pattern groove 111 a provided below the first base material 51 larger than the depth of the first pattern groove 111 b provided below the second base material 52.
- the change in the capacitance generated in the) can be made constant with the change in the capacitance generated in the second base material (52). This is because the distance between the first sensing patterns 120a and 120b and the input means decreases as the depth of the first pattern grooves 111a and 111b increases.
- the boundary 53 between the first base material 51 and the second base material 52 is provided in a step shape instead of a vertical line in the vertical cross-sectional direction, the amount of change in capacitance at the boundary 53 In this regard, the shapes of the first sensing patterns 120a and 120b are not changed. This is because the width of the boundary 53 region where the first base material 51 and the second base material 52 overlap with each other is not significantly different from that of the adjacent first sensing pattern 120.
- the width of the boundary 53 region where the first base material 51 and the second base material 52 overlap is larger than the distance between the adjacent first sensing patterns 120, The change in permittivity should be taken into account. That is, the dielectric constant at the boundary 53 region where the first base material 51 and the second base material 52 overlap each other is about halfway between the first base material 51 and the second base material 52, and thus the area of the boundary 53 area.
- the width of the first sensing pattern 120 below is about half the width of the first sensing pattern 120a under the first base material 51 and the width of the first sensing pattern 120b under the second base material 52.
- the depth of the first pattern groove 111 under the boundary 53 may be equal to the depth of the first pattern groove 111a under the first base material 51 and the first pattern groove 111b under the second base material 52. It can be provided about the middle of the depth of).
- 17 to 24 schematically illustrate a method of manufacturing the touch input device 100-3 according to the fourth embodiment of the present invention.
- the first base material 51 and the second base material 52 may be provided with different materials.
- the first base material 51 and the second base material 52 may be bonded by bonding or the like.
- the boundary 53 of the first base material 51 and the second base material 52 may be stepped in the vertical cross-sectional direction.
- first base material 51 and the second base material 52 may be provided to have the same thickness.
- the bottom surfaces of the first base material 51 and the second base material 52 may form the same plane.
- the first base 110 may be coated and attached to bottom surfaces of the first base material 51 and the second base material 52.
- the first base 110 may include a metal composite.
- the first base 110 may have a constant thickness.
- the first pattern groove 111 may be formed by irradiating a laser. At this time, the heat generated while the groove is formed to decompose the chemical bonds of the metal composite to reduce the metal, to form a metal seed (Seed) in the first pattern groove (111).
- At least one of the width and depth of the first pattern grooves 111a and b may be different from each other in an area under the first base material 51 and an area under the second base material 52. Can be. In addition, any one of a width and a depth of the first pattern groove 111 may be formed differently even in a region where the first base material 51 and the second base material 52 overlap.
- the first sensing pattern 120 may be formed by metallizing the first pattern groove 111 to which the metal seed is exposed.
- the first sensing pattern 120 may include copper plated on the first pattern groove 111. It is also possible to plate nickel over copper plating for anti-oxidation treatment.
- FIG. 21 illustrates a process of stacking a second base
- FIG. 22 illustrates a process of processing a second pattern groove
- FIG. 23 illustrates a process of forming a second sensing pattern.
- the second base 130 may be formed of a metal composite and may be formed by being coated on the bottom surface of the first base 110.
- the second base 130 may have a constant thickness.
- FIGS. 18 to 20 may be applied to the processes illustrated in FIGS. 21 to 23, redundant descriptions thereof are omitted.
- the coating layer 150 may be formed by coating on the second base 130 to protect the second sensing pattern 140 from external impact or contaminants. And the coating layer 150 may be formed by UV coating or UV coating using a sunscreen.
- 25 is a cross-sectional view illustrating a touch input device 100-4 according to a fifth embodiment of the present invention.
- the touch input device 100-4 may be provided on a bottom surface of the base material 54 including a recessed recess.
- the base material 54 may be provided in various shapes.
- the touch malfunction is unlikely to occur when the user touches the base material 54.
- the curvature of the base material 54 is sharp, for example, when the recessed part 54a is recessed as shown in the drawing, a touch malfunction may occur differently from the intention of the user.
- the touch malfunction occurs when the user is recognized as touching another point even though the user does not touch the intended point. This malfunction is most likely to occur when the touch input device 100 allows indirect contact as well as direct contact, that is, when the touch input device 100 has a hovering function.
- a method of preventing a touch malfunction by the touch input device 100-4 according to the fifth embodiment of the present invention illustrated in FIG. 27 will be described with reference to Comparative Example 100-5 of FIG. 26.
- FIG. 26 is a view illustrating a malfunction state when the resistance values of the sensing patterns 120 and 140 are made constant according to the curvature of the base material 54
- FIG. 27 is a sensing pattern 120 according to the curvature of the base material 54. It is a figure which shows the operation state at the time of changing the resistance value of 140).
- the hovering height for recognizing an indirect touch (dashed line in the drawing) It can be seen that the portion shown by) is uniformly formed along the curved surface of the base material 54.
- the touch input device (100-5) may be mistaken that the user touched another area.
- the touch input device 100-4 senses the first sensing pattern 120 and the second sensing according to the curved shape of the base material 54.
- the resistance of the pattern 130 may vary.
- an equation regarding the magnitude of the resistance of the sensing patterns 120 and 140 for determining the touch sensitivity or the height of the hovering is as follows.
- the length of the resistance means the length of the sensing patterns 120 and 140.
- the lengths of the sensing patterns 120 and 140 vary depending on the area of the touch surface and cannot be arbitrarily adjusted.
- the cross-sectional area of the resistor refers to the vertical cross-sectional areas of the sensing patterns 120 and 140. That is, the cross-sectional area of the resistor may be changed by adjusting the width and height of the sensing patterns 120 and 140.
- the resistance decreases as the width of the sensing patterns 120 and 140 is increased or as the height of the sensing patterns 120 and 140 is increased.
- the hovering height for recognizing an indirect touch is relatively high.
- the resistance increases, so that the hovering height for recognizing an indirect touch is relatively low.
- the sensitivity of the touch recognition in the capacitive touch input device may be expressed as a time constant in the series circuit of the capacitor and the resistor as follows.
- the resistance is a value of the surface of the touch unit
- the capacitor is a change amount generated by the user's contact.
- the resistance value is increased, the time for detecting touch recognition is delayed and sensitivity is lowered.
- the resistance value is reduced, the touch recognition can be quickly detected.
- the present invention in order to use the above-described physical laws, by changing the resistance value to the curvature, it is possible to reduce misperception and to sense a touch of the same performance.
- the hovering height is increased by lowering the resistance of the sensing patterns 120 and 140 in the recess 54a of the base material 54. Therefore, while the finger is moving to the point intended by the user, the finger does not catch the hovering height of another point, but reaches the hovering height of the intended point.
- the inside of the recess 54a of the base material 54 may reduce the resistance of the sensing patterns 120 and 140 to speed up touch recognition. Therefore, if the finger reaches the hovering height of another point while the finger is moving to the point intended by the user, the touch sensitivity is delayed because the touch sensitivity decreases at the point where the resistance is large. As a result, the touch sensitivity is increased in a small place, so that the touch recognition corresponding to the user's intention may be performed.
- the bases 110 and 130 are disposed under the base material 54 in FIGS. 25 to 27, the base material 54 may be omitted in the embodiment of the present invention. That is, one surface of the base 110, 130 may be provided as a touch surface.
- the pattern grooves 111 and 131 may be formed on the upper surfaces of the bases 110 and 130, and may be formed on the lower surfaces of the bases 1110 and 130.
- the first pattern groove 111 and the second pattern groove 131 are formed on the upper surfaces of the first base 110 and the second base 130, respectively, or the first pattern groove 111 and the first pattern groove 111 and the second pattern groove 131 are formed.
- the two pattern grooves 131 may be formed in the lower surfaces of the first base 110 and the second base 130, respectively.
- the first pattern groove 111 and the second pattern groove 131 may be formed on different surfaces of the first base 110 and the second base 130, respectively.
- the first pattern groove 111 may be formed in the upper surface of the first base 110
- the second pattern groove 131 may be formed in the lower surface of the second base 130. Or vice versa.
- FIGS. 25 to 27 illustrate that the first and second bases 110 and 130 are stacked in a two-layer structure
- the first and second sensing patterns 120 and 140 are formed on one base.
- the first sensing pattern 120 may be formed on one surface of the base
- the second sensing pattern 140 may be formed on the other surface of the base. That is, the first and second sensing patterns 120 and 140 may have a double sided structure.
- the first and second sensing patterns 120 and 140 may be formed on the same surface of the base. That is, the first and second sensing patterns 120 and 140 may have a cross-sectional structure.
- touch input device 110 first base
- first pattern groove 120 first sensing pattern
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Abstract
Description
Claims (13)
- 사용자의 터치 신호를 입력받고, 요입부가 형성되는 터치부;상기 터치부와 일체로 마련되거나 상기 터치부의 아래에 배치되고, 상기 터치부에 대응되는 영역에 패턴홈이 형성되는 베이스; 및전도성 소재를 포함하고, 상기 패턴홈에 마련되는 감지패턴을 포함하고,상기 요입부의 아래에 위치하는 감지패턴의 저항은 상기 요입부 외측에 위치하는 감지패턴의 저항 보다 작게 마련되는 터치 입력장치.
- 제1항에 있어서,상기 요입부의 아래에 위치하는 감지패턴의 수직 방향 단면 너비는 상기 요입부 외측에 위치하는 감지패턴의 수직 방향 단면 너비 보다 크게 마련되는 터치 입력장치.
- 제1항에 있어서,상기 베이스는 금속 복합체를 포함하는 터치 입력장치.
- 제3항에 있어서,상기 베이스는 PC(Polycarbonate), PA(Polyamide), 및 ABS(acrylonitrile - butadiene - styrene copolymer) 중 어느 하나 이상을 포함하는 레진(Resin)과 Mg, Cr, Cu, Ba, Fe, Ti, 및 Al 중 어느 하나 이상을 포함하는 금속 산화물을 포함하는 터치 입력장치.
- 제1항에 있어서,상기 터치부가 형성되는 모재를 더 포함하고,상기 베이스는 상기 모재의 저면에 코팅되어 마련되는 터치 입력장치.
- 제5항에 있어서,상기 모재는 수지, 유리, 및 가죽 중 어느 하나 이상인 터치 입력장치.
- 제1항에 있어서,상기 베이스는 상기 모재의 아래에 배치되는 제1 베이스와 상기 제1 베이스의 아래에 배치되는 제2 베이스를 포함하고,상기 패턴홈과 상기 감지패턴은 상기 제1 베이스의 일 면에 형성되는 제1 패턴홈과 제1 감지패턴 및 상기 제2 베이스의 일 면에 형성되는 제2 패턴홈과 제2 감지패턴을 포함하는 터치 입력장치.
- 요입부를 포함하는 모재를 마련하고,상기 모재의 아래에 금속 복합체를 포함하는 베이스를 마련하고,상기 베이스의 터치 영역에 레이저를 조사하여 패턴홈을 형성하되, 상기 요입부가 위치하는 영역과 상기 요입부의 외측 영역에서의 상기 패턴홈의 너비 또는 깊이 중 어느 하나 이상을 서로 다르게 형성하고,상기 패턴홈에 도금 또는 증착 공정을 통해 전도성 소재를 포함하는 감지패턴을 형성하는 터치 입력장치의 제조방법.
- 제8항에 있어서,상기 요입부가 위치하는 영역에서의 패턴홈의 너비 또는 깊이 중 어느 하나 이상이 상기 요입부의 외측 영역에서의 패턴홈의 너비 또는 깊이 중 어느 하나 이상 보다 크도록 형성하는 터치 입력장치의 제조방법.
- 제8항에 있어서,상기 베이스의 일 면에 레이저를 조사하는 과정에서 상기 패턴홈의 내측면에 금속 시드가 노출되고,상기 감지패턴을 도금 또는 증착하는 과정에서 전도성 소재가 상기 금속 시드 상에 부착되는 터치 입력장치의 제조방법.
- 제10항에 있어서,상기 패턴홈을 형성하는 과정은 제1 패턴홈과 이와 떨어져 배치되는 제2 패턴홈을 형성하는 과정을 포함하고,상기 감지패턴을 형성하는 과정은 상기 제1 패턴홈에 도금 또는 증착되는 제1 감지패턴과, 상기 제2 패턴홈에 도금 또는 증착되는 제2 감지패턴을 형성하는 과정을 포함하며,상기 제1 및 제2 감지패턴에 전류를 제공한 후, 두 감지패턴 사이의 상호 정전용량(Mutual Capacitance)의 변화를 검사하여 센서로서 사용할 수 있는지 여부를 판단하는 과정을 더 포함하는 터치 입력장치의 제조방법.
- 제1항 내지 제7항 중 어느 한 항의 터치 입력장치를 포함하는 차량.
- 제12항에 있어서,상기 터치 입력장치는 기어박스에 설치되는 중앙 집중형 조작계에 설치되는 차량.
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RU2018122105A RU2732953C2 (ru) | 2015-11-19 | 2016-11-18 | Сенсорное устройство ввода, транспортное средство, содержащее сенсорное устройство ввода, и способ изготовления сенсорного устройства ввода |
EP16866703.8A EP3364278B1 (en) | 2015-11-19 | 2016-11-18 | Touch input device, vehicle including same, and manufacturing method therefor |
US15/777,101 US10768754B2 (en) | 2015-11-19 | 2016-11-18 | Touch input device, vehicle including same, and manufacturing method therefor |
BR112018009894-9A BR112018009894B1 (pt) | 2015-11-19 | 2016-11-18 | Dispositivo de entrada sensível ao toque, método de fabricação de um dispositivo de entrada sensível ao toque, e veículo |
US16/928,333 US11281344B2 (en) | 2015-11-19 | 2020-07-14 | Touch input device, vehicle including same, and manufacturing method therefor |
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US16/928,333 Division US11281344B2 (en) | 2015-11-19 | 2020-07-14 | Touch input device, vehicle including same, and manufacturing method therefor |
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KR101728329B1 (ko) | 2017-05-02 |
RU2018122105A3 (ko) | 2020-04-23 |
CN108351727B (zh) | 2021-05-18 |
CN108351727A (zh) | 2018-07-31 |
RU2732953C2 (ru) | 2020-09-25 |
US11281344B2 (en) | 2022-03-22 |
US10768754B2 (en) | 2020-09-08 |
US20200348776A1 (en) | 2020-11-05 |
BR112018009894A8 (pt) | 2019-02-26 |
EP3364278B1 (en) | 2022-03-23 |
RU2018122105A (ru) | 2019-12-19 |
EP3364278A1 (en) | 2018-08-22 |
US20180335867A1 (en) | 2018-11-22 |
EP3364278A4 (en) | 2019-05-22 |
BR112018009894A2 (pt) | 2018-11-06 |
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