WO2017200270A1 - 정전식 스위치 - Google Patents
정전식 스위치 Download PDFInfo
- Publication number
- WO2017200270A1 WO2017200270A1 PCT/KR2017/005067 KR2017005067W WO2017200270A1 WO 2017200270 A1 WO2017200270 A1 WO 2017200270A1 KR 2017005067 W KR2017005067 W KR 2017005067W WO 2017200270 A1 WO2017200270 A1 WO 2017200270A1
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- WO
- WIPO (PCT)
- Prior art keywords
- electrode pattern
- switch
- switch structure
- elastic body
- input operation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
Definitions
- the technical idea of the present invention relates to a capacitive switch, and more particularly, to a capacitive switch that outputs electrical signals for multifunction execution in response to changes in capacitance caused by user touch input and user push input.
- the technical problem to be achieved by the capacitive switch according to the technical idea of the present invention, and the capacitive switch for outputting the electrical signals for the multi-function execution in response to the change of the capacitance according to the user touch input and the user push input and its It is to provide a method of operation.
- a capacitive switch includes a switch structure having a first electrode pattern, a substrate having a second electrode pattern and an integrated circuit, and an elastic body interposed between the switch structure and the substrate.
- the integrated circuit unit may generate a first output signal by detecting a change in capacitance generated according to a user's touch input operation through the first electrode pattern, the elastic body, and the second electrode pattern.
- the second output signal is generated by detecting a change in capacitance generated by an input operation.
- a portion of the first electrode pattern may extend from the top surface of the inside of the switch structure to the side surface or from the top surface of the switch structure to the bottom surface of the switch structure.
- the switch structure may include a cap part, a support part for supporting the cap part, and a guide part for guiding a movement path of the support part according to the user push input operation.
- the first electrode pattern is formed on the support, and a portion of the first electrode pattern extends from the upper surface of the support portion to the side surface or from the upper surface of the support portion to the lower surface along the side surface. Can be.
- the first electrode pattern may be formed in the support part and the guide part, and a portion of the first electrode pattern may extend from the top surface of the support part to the bottom surface of the guide part along side and bottom surfaces thereof. have.
- one portion of the second electrode pattern may be formed on the elastic body, and may face with a portion of the first electrode pattern formed on the lower surface of the guide part.
- a portion of the first electrode pattern may be formed on the lower surface of the switch structure, and another portion of the first electrode pattern is formed on the elastic body, but the first electrode formed on the lower surface of the switch structure You can touch a part of the pattern.
- the user touch input operation may not involve physical changes of the elastic body, and the user push input operation may involve physical changes of the elastic body.
- the first electrode pattern may be formed directly on the switch structure by a laser direct structuring process or a multiple injection process.
- the capacitive switch may further include a cover member covering at least a portion of the exposed surface of the first electrode pattern.
- the capacitive switch according to the embodiments of the inventive concept does not need to implement a contact, thereby alleviating structural complexity, and preventing the durability from being reduced due to wear of the contact.
- the capacitive switch according to the embodiments of the inventive concept may be manufactured in a simplified process without being restricted in shape by using a laser direct structuring process.
- FIG. 1 is a view for explaining the principle of the operation of the capacitive switch according to the embodiments of the present invention.
- FIGS. 2 and 3 are views showing a part of the capacitive switch according to an embodiment of the present invention.
- FIGS. 4 and 5 are views illustrating a capacitive switch according to another embodiment of the inventive concept.
- FIGS. 6 and 7 are views illustrating a capacitive switch according to another embodiment of the inventive concept.
- FIG 8 and 9 are views illustrating a capacitive switch according to another embodiment of the inventive concept.
- FIGS. 10 and 11 are diagrams illustrating a capacitive switch according to another embodiment of the inventive concept.
- FIGS. 4 to 11 are diagram illustrating an example in which an additional pattern is formed on the substrate illustrated in FIGS. 4 to 11.
- one component when one component is referred to as “connected” or “connected” with another component, the one component may be directly connected or directly connected to the other component, but in particular It is to be understood that, unless there is an opposite substrate, it may be connected or connected via another component in the middle.
- ⁇ unit (unit) means a unit for processing at least one function or operation, which is hardware or software Or a combination of hardware and software.
- FIG. 1 is a view for explaining the principle of the operation of the capacitive switch according to the embodiments of the present invention.
- the capacitive switch 10 may include a switch structure 100, an elastic body 200, and a substrate 300.
- the switch structure 100 is a portion in which a user touch input according to a user's touch or a user push input according to a user's push is performed.
- the switch structure 100 may be implemented as an injection molding of a polymer material, and may have a three-dimensional shape having at least one surface formed of a flat surface or a curved surface.
- the switch structure 100 may be implemented as an integrated structure (see FIGS. 2 and 3) or a coupled structure (FIGS. 4 to 9) configured by combining a plurality of components.
- the switch structure 100 may have a shape in which at least a portion of a bottom surface side of the switch body 100 facing the upper surface of the elastic body 200 is opened and an internal space is provided.
- the switch structure 100 may include first electrode patterns 150-1, 150-2, and 150-3.
- the first electrode patterns 150-1, 150-2, and 150-3 may be formed to be exposed inside the switch structure 100, and may extend laterally from an upper surface of the inside of the switch structure 100. Or may extend from the upper surface of the inside of the switch structure 100 to the lower surface along the side surface.
- one portion 150-1 of the first electrode pattern may be formed on an upper surface of the switch structure 100, and the other portion 150-2 of the first electrode pattern may be formed in the switch structure 100. It may be formed on the side surface, another portion 150-3 of the first electrode pattern may be formed on the lower surface of the switch structure (100).
- the first electrode patterns 150-1, 150-2, and 150-3 may be implemented in a floating state in order to detect a touch input operation or a push input operation of the user.
- the first electrode patterns 150-1, 150-2, and 150-3 may be directly formed on the switch structure 100 by a laser direct structuring process.
- the laser direct structuring process forms a support material from a material containing a non-conductive, chemically stable metal complex, and exposes a portion of the support material to a laser such as an ultraviolet (Ultra Violet) laser or an excimer laser. After releasing the chemical bonds to expose the metal seed, the support material may be metalized to form a conductive structure on the laser exposed portion of the support material.
- the process of forming the first electrode patterns 150-1, 150-2, and 150-3 is not limited to the laser direct structuring process, and the first electrode patterns 150-1, 150-2, and 150-3 are not limited to the laser direct structuring process.
- the first electrode patterns 150-1, 150-2, and 150-3 may be formed by a patterning process such as double injection or multiple injection, which may perform injection molding and conductive pattern formation in one step. have.
- At least a part of the first electrode patterns 150-1, 150-2, and 150-3 may be covered by a cover member (not shown) at least a part of the surface exposed inside the switch structure 100. Can be covered.
- the cover member may be made of the same material as the material forming the switch structure 100, but is not limited thereto.
- the cover member may be made of a material different from that of the switch structure 100, and may have a multilayer structure. By the cover member, durability of the first electrode patterns 150-1, 150-2, and 150-3 may be improved.
- the elastic body 200 may be interposed between the switch structure 100 and the substrate 300.
- the elastic body 200 is interposed between the switch structure 100 and the substrate 300, and when the user performs a push input operation to the switch structure 100, the elastic body 200 is contracted and then resized when the push input operation is completed. May be restored to restore the switch structure 100 to its original position.
- the elastic body 200 may be made of a material having elasticity (eg, rubber) as an insulating material.
- the substrate 300 may be formed of a printed circuit board (PCB), a flexible PCB (FPCB), or the like.
- PCB printed circuit board
- FPCB flexible PCB
- the substrate 300 may include a second electrode pattern 310 and an integrated circuit unit 400.
- the second electrode pattern 310 may have a shape corresponding to the first electrode patterns 150-1, 150-2, and 150-3, but is not limited thereto and may be implemented in various shapes and sizes.
- the integrated circuit unit 400 changes capacitance caused by a user's touch input through the first electrode patterns 150-1, 150-2, and 150-3, the elastic body 200, and the second electrode pattern 310. Detects and generates a first output signal, and detects a change in capacitance generated according to a user push input operation to generate a second output signal.
- the first state STATE1 of FIG. 1 is a state in which no user input is made
- the second state STATE2 is a case in which a user touch input operation is performed
- the third state STATE3 is a case in which a user push input operation is performed. Indicates.
- the user touch input operation may not involve a physical change of the elastic body 200, and the user push input operation may involve a physical change of the elastic body 200.
- the second state In STATE2, the capacitance has the second value C1 by the user touch input operation, and in the third state STEE3, the capacitance has the third value C2 by the user push input operation.
- the integrated circuit unit 400 may detect a change in capacitance between the first state STATE1, the second state STATE2, and the third state STATE3 to distinguish a user touch input operation from a user push input operation. By outputting an output signal corresponding to each of the user touch input operation and the user push input operation, the corresponding function may be performed.
- the second state STATE2 and the third state STATE3 may be implemented as sequential user input steps.
- the second state STATE2 may be implemented as a preliminary input for activation of the third state STATE3.
- the integrated circuit unit 400 may provide guide information about the user push input operation through visual or audio means.
- the user may perform a push input operation according to the provided guide information
- the third state STEE3 is detected according to the user push input operation
- the integrated circuit unit 400 may perform a predetermined specific function. .
- 2 and 3 are views showing a part of the capacitive switch according to an embodiment of the present invention. 2 and 3 illustrate a part of the capacitive switch 10A according to an embodiment for convenience of description.
- the switch structure 100 may be integrally formed.
- the first electrode patterns 150-1A, 150-2A, and 150-3A may be formed over the top, side, and bottom surfaces of the switch structure 100.
- One portion 150-1A (hereinafter, the first portion) of the first electrode pattern may be formed on an upper surface of the switch structure 100.
- 2 and 3 illustrate that the first portion 150-1A has a shape covering the entire upper surface of the switch structure 100, but is not limited thereto.
- a light transmitting region may be formed on the switch structure 100, and the first portion 150-1A may have a shape having an empty area corresponding to the light transmitting region.
- the other part 150-2A (hereinafter, the second part) of the first electrode pattern may be connected to the first part 150-1A and may be formed on a side surface of the switch structure 100.
- the second parts 150-2A are respectively formed on side surfaces facing the inside of the switch structure 100, but are not limited thereto.
- the second parts 150-2A may be the switch structures. It may be formed in plurality on one side in the (100). Of course, the second portion 150-2A may have various widths, thicknesses, and shapes.
- Another portion 150-3A (hereinafter, third portion) of the first electrode pattern may be connected to the second portion 150-2A and may be formed on the bottom surface of the switch structure 100.
- the third portion 150-3A may be formed to cover the bottom surface of at least some of the sidewalls defining the internal space of the switch structure 100, and the second portion 150 formed on the outer surface of the sidewall. -2A).
- FIGS. 4 and 5 are views illustrating a capacitive switch according to another embodiment of the inventive concept.
- the capacitive switch 10B may include a switch structure 100, an elastic body 200, and a substrate 300.
- the switch structure 100 may be implemented as a combined structure configured by combining a plurality of components.
- the switch structure 100 may include a cap 110, a support 120, and a guide 130.
- the cap unit 110 is a portion that a user contacts for a user touch input operation or a user push input operation, and is configured separately from the support unit 120 supporting the cap unit 110 and may be coupled to the support unit 120.
- the support part 120 may have a square pipe structure having an empty space therein. However, the present invention is not limited thereto, and the support 120 may have a pipe structure having various shapes such as a circular shape having a hollow vertical cross section with respect to the axial direction.
- the guide part 130 may be coupled to or integrally provided on the side of the support part 120, and the guide part 130 may be coupled to an external structure to guide the vertical movement path of the support part 120.
- the first electrode patterns 150-1B, 150-2B, and 150-3B may be formed on the support 120.
- one portion 150-1B of the first electrode pattern is formed on the upper surface of the support 120, and the other portion 150-2B of the first electrode pattern is formed on the side of the support 120.
- Another portion 150-3B of the first electrode pattern may be formed on the bottom surface of the support part 120.
- the elastic member 200 is provided with a protrusion 210 to be in contact with the protrusion 125 of the support part 120, and contracted according to the user's push input operation. As the shape of the switch structure 100 is restored, the switch structure 100 may be restored to its original position.
- FIGS. 6 and 7 are views illustrating a capacitive switch according to another embodiment of the inventive concept.
- a portion 150-3C of the first electrode pattern may extend to the guide part 130.
- the first electrode patterns 150-1C, 150-2C, and 150-3C may extend from the top surface of the support part 120 to the bottom surface of the guide part 130 along side and bottom surfaces thereof.
- the extended portion 310 ′ of the second electrode pattern 310 may be formed in an area corresponding to a region in which the second electrode pattern 310 is formed on the substrate 300 in the elastic body 200. It may be electrically connected to the second electrode pattern 310 formed in the 300.
- the extended portion 310 ′ of the second electrode pattern 310 may face a portion 150-3C of the first electrode pattern formed on the bottom surface of the guide portion 130 with a gap therebetween. Meanwhile, the extended portion 310 ′ of the second electrode pattern 310 may be spaced apart from the one portion 150-3C of the first electrode pattern even when the user switch push input operation is performed.
- FIG 8 and 9 are views illustrating a capacitive switch according to another embodiment of the inventive concept.
- a portion 150-3D of the first electrode pattern may include the protrusion 125 and the guide 130 of the support 120. It may be formed on the lower surface.
- the extended portion 150 ′ of the first electrode pattern may be formed in the elastic body 200. According to an embodiment, the extended portion 150 ′ of the first electrode pattern may be formed on the protrusion 210 of the elastic body 200, and the extended portion of the first electrode pattern formed on the protrusion 210 of the elastic body 200. 150 ′ may be electrically connected to a portion 150-3D of the first electrode pattern formed on the protrusion 125 of the support 120.
- FIGS. 10 and 11 are diagrams illustrating a capacitive switch according to another embodiment of the inventive concept.
- a portion of the extended portion 310 ′′ of the second electrode pattern corresponds to the bottom surface of the guide portion 130.
- a portion of the extended portion 310 ′′ of the second electrode pattern may be formed in a ring shape on the outer side of the protrusion 210 except for the upper surface of the protrusion 210, and may be connected to each other.
- the position and width of the ring shape may be variously modified.
- a part of the extended portion 310 ′′ of the second electrode pattern formed in the shape of a ring is formed with the first electrode pattern 150-3E formed on the protrusion 125 of the support part 120 even when a user push input is made. Since it does not contact, it can have high durability.
- a portion of the extended portion 310 ′′ of the second electrode pattern formed in a ring shape does not contact the first electrode pattern 150-3E formed on the protrusion 125 of the support 120 when a user push input is made. It can be formed to have as close as possible without.
- the portion formed on the bottom surface of the protrusion 125 of the support part 120 and the portion formed on the bottom surface of the guide portion 130 among the other portions 150-3E (hereinafter, the third portion) of the first electrode pattern may be connected to each other.
- FIGS. 4 to 11 are diagram illustrating an example in which an additional pattern is formed on the substrate illustrated in FIGS. 4 to 11.
- the ground pattern 312 may be formed together with the second electrode pattern 310 on the substrate 300.
- the ground pattern 312 may be formed outside the second electrode pattern 310 so as not to be in contact with the second electrode pattern 310.
- the ground pattern 312 formed on the substrate 300 may prevent external noise, thereby preventing malfunction of the capacitive switches 10A to 10E due to external noise.
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- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Abstract
Description
Claims (10)
- 제1 전극 패턴을 구비하는 스위치 구조체;제2 전극 패턴 및 집적 회로부를 구비하는 기판; 및상기 스위치 구조체와 상기 기판 사이에 개재되는 탄성체;를 포함하되,상기 집적 회로부는,상기 제1 전극 패턴, 상기 탄성체 및 상기 제2 전극 패턴을 통해, 사용자 터치(touch) 입력 동작에 따라 발생되는 정전용량 변화를 감지하여 제1 출력 신호를 생성하고, 사용자 푸시(push) 입력 동작에 따라 발생되는 정전용량 변화를 감지하여 제2 출력 신호를 생성하는, 정전식 스위치.
- 제1항에 있어서,상기 제1 전극 패턴의 일 부분은,상기 스위치 구조체 내부의 상면으로부터 측면으로 연장되거나, 상기 스위치 구조체 내부의 상면으로부터 측면을 따라 하면으로 연장되는, 정전식 스위치.
- 제1항에 있어서,상기 스위치 구조체는,캡부;상기 캡부를 지지하는 지지부; 및상기 사용자 푸시 입력 동작에 따른 상기 지지부의 이동 경로를 가이드하는 가이드부;를 포함하는, 정전식 스위치.
- 제3항에 있어서,상기 제1 전극 패턴은, 상기 지지부에 형성되며,상기 제1 전극 패턴의 일 부분은,상기 지지부의 상면으로부터 측면으로 연장되거나, 상기 지지부의 상면으로부터 측면을 따라 하면으로 연장되는, 정전식 스위치.
- 제3항에 있어서,상기 제1 전극 패턴은, 상기 지지부 및 상기 가이드부에 형성되며,상기 제1 전극 패턴의 일 부분은,상기 지지부의 상면으로부터 측면 및 하면을 따라 상기 가이드부의 하면으로 연장되는, 정전식 스위치.
- 제5항에 있어서,상기 제2 전극 패턴의 일 부분은, 상기 탄성체에 형성되되, 상기 상기 가이드부의 하면에 형성된 상기 제1 전극 패턴의 일 부분과 간극을 가지고 대면하는, 정전식 스위치.
- 제1항에 있어서,상기 제1 전극 패턴의 일 부분은, 상기 스위치 구조체 하면에 형성되고,상기 제1 전극 패턴의 다른 부분은, 상기 탄성체에 형성되되, 상기 스위치 구조체 하면에 형성된 상기 제1 전극 패턴의 일 부분과 접하는, 정전식 스위치.
- 제1항에 있어서,상기 사용자 터치 입력 동작은 상기 탄성체의 물리적 변화를 수반하지 않고,상기 사용자 푸시 입력 동작은 상기 탄성체의 물리적 변화를 수반하는, 정전식 스위치.
- 제1항에 있어서,상기 제1 전극 패턴은, 레이저 직접 구조화(Laser Direct Structuring) 공정 또는 다중 사출(multiple injection) 공정에 의해 상기 스위치 구조체에 직접적으로(directly) 형성되는, 정전식 스위치.
- 제1항에 있어서,상기 정전식 스위치는,상기 제1 전극 패턴의 노출면 중 적어도 일부를 덮는 커버 부재를 더 포함하는, 정전식 스위치.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201780030813.7A CN109155218B (zh) | 2016-05-17 | 2017-05-16 | 静电式开关 |
| EP17799627.9A EP3444832A4 (en) | 2016-05-17 | 2017-05-16 | ELECTROSTATIC SWITCH |
| JP2019513723A JP6771096B2 (ja) | 2016-05-17 | 2017-05-16 | 静電式スイッチ |
| US16/302,395 US10680610B2 (en) | 2016-05-17 | 2017-05-16 | Capacitive switch |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20160060339 | 2016-05-17 | ||
| KR10-2016-0060339 | 2016-05-17 | ||
| KR10-2016-0074228 | 2016-06-15 | ||
| KR1020160074228A KR101905851B1 (ko) | 2016-05-17 | 2016-06-15 | 정전식 스위치 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2017200270A1 true WO2017200270A1 (ko) | 2017-11-23 |
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ID=60325224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2017/005067 Ceased WO2017200270A1 (ko) | 2016-05-17 | 2017-05-16 | 정전식 스위치 |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2017200270A1 (ko) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005063773A (ja) * | 2003-08-08 | 2005-03-10 | Tokai Rika Co Ltd | 操作スイッチ及び車両用エンジンの始動・停止システム |
| KR20100083973A (ko) * | 2009-01-15 | 2010-07-23 | 삼성전자주식회사 | 터치 입력 장치 및 그 제조방법 |
| JP2011044362A (ja) * | 2009-08-21 | 2011-03-03 | Alps Electric Co Ltd | 静電容量センサ付きプッシュスイッチおよびそれを用いた入力装置 |
| JP2013257957A (ja) * | 2012-06-11 | 2013-12-26 | Shin Etsu Polymer Co Ltd | 接触検知式押圧スイッチ部材 |
| KR20160041199A (ko) * | 2014-10-07 | 2016-04-18 | 손동일 | 다채널 스위치 모듈 |
-
2017
- 2017-05-16 WO PCT/KR2017/005067 patent/WO2017200270A1/ko not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005063773A (ja) * | 2003-08-08 | 2005-03-10 | Tokai Rika Co Ltd | 操作スイッチ及び車両用エンジンの始動・停止システム |
| KR20100083973A (ko) * | 2009-01-15 | 2010-07-23 | 삼성전자주식회사 | 터치 입력 장치 및 그 제조방법 |
| JP2011044362A (ja) * | 2009-08-21 | 2011-03-03 | Alps Electric Co Ltd | 静電容量センサ付きプッシュスイッチおよびそれを用いた入力装置 |
| JP2013257957A (ja) * | 2012-06-11 | 2013-12-26 | Shin Etsu Polymer Co Ltd | 接触検知式押圧スイッチ部材 |
| KR20160041199A (ko) * | 2014-10-07 | 2016-04-18 | 손동일 | 다채널 스위치 모듈 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP3444832A4 * |
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