CN106206128A - A kind of thin film switch - Google Patents

A kind of thin film switch Download PDF

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Publication number
CN106206128A
CN106206128A CN201610639336.1A CN201610639336A CN106206128A CN 106206128 A CN106206128 A CN 106206128A CN 201610639336 A CN201610639336 A CN 201610639336A CN 106206128 A CN106206128 A CN 106206128A
Authority
CN
China
Prior art keywords
thin film
conducting wire
film switch
line
metallic circuit
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.)
Pending
Application number
CN201610639336.1A
Other languages
Chinese (zh)
Inventor
张志云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian University of Science and Technology
Original Assignee
Xian University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xian University of Science and Technology filed Critical Xian University of Science and Technology
Priority to CN201610639336.1A priority Critical patent/CN106206128A/en
Publication of CN106206128A publication Critical patent/CN106206128A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H01H13/704Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by the layers, e.g. by their material or structure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/78Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the contacts or the contact sites
    • H01H13/807Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the contacts or the contact sites characterised by the spatial arrangement of the contact sites, e.g. superimposed sites
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/83Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/88Processes specially adapted for manufacture of rectilinearly movable switches having a plurality of operating members associated with different sets of contacts, e.g. keyboards
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00Legends
    • H01H2219/054Optical elements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00Manufacturing
    • H01H2229/016Selective etching

Abstract

The invention discloses a kind of thin film switch, including upper conducting wire, lower conducting wire and be positioned at insulated part between the two, described lower conducting wire includes low glue-line and etching metallic circuit, bottom, described upper conducting wire is provided with some trigger points, described etching metallic circuit upper end is provided with some lower electric conductors and LED, described low glue-line is provided with two groups of through holes, the bottom of described through hole inside and the low glue-line between two groups of through holes is equipped with metal coating, described etching metallic circuit forms closed-loop path with metal coating, positive pole trigger unit and negative pole trigger unit is included inside described lower electric conductor.The aesthetics that thin film switch of the present invention is overall, novel in design, it is easy to promote the use of.

Description

A kind of thin film switch
Technical field
The present invention relates to thin film technique field, particularly relate to a kind of thin film switch.
Background technology
Thin film switch is frivolous due to volume, is widely used in various electronic product, especially thin film the most in recent years and opens Minimum about produced sound during pressing, especially it is applicable to button or the keyboard of various device.Traditional thin film switch generally has There is upper and lower double-layer films, and double-layer films respectively has one or more electric conductor up and down, when user force makes upper and lower two layers of thin When film is close to each other, the electric conductor of the most bilevel thin film will contact with each other and then electrically conduct.But, thin film now Switch seldom possesses for light characteristic so that operator operates inconvenience, and meanwhile, the degree of accuracy of pressing position is the most urgently improved;Existing Thin film switch much use three layers structure, including upper layer circuit plate, insulating barrier and lower sandwich circuit board, wherein upper layer circuit plate Base material and printing silver wire circuit is included, between upper layer circuit plate and insulating barrier, insulating barrier and lower sandwich circuit board with lower sandwich circuit board By glue laminating, its production technology includes that silver wire, wire jumper, gluing are printed in the upper and lower, and production process is more, relatively costly, And the fraction defective of circuit is the highest during printing silver wire, waterproof ability is poor.
Summary of the invention
The technical problem existed based on background technology, the present invention proposes a kind of thin film switch.
A kind of thin film switch that the present invention proposes, including upper conducting wire, lower conducting wire and be positioned between the two Insulated part, described lower conducting wire includes low glue-line and etching metallic circuit, and bottom, described upper conducting wire is provided with some touching Sending out point, described etching metallic circuit upper end is provided with some lower electric conductors and LED, and described low glue-line is provided with two groups of through holes, institute The bottom stating through hole inside and the low glue-line between two groups of through holes is equipped with metal coating, described etching metallic circuit and gold Belong to coating and form closed-loop path, inside described lower electric conductor, include positive pole trigger unit and negative pole trigger unit.
Preferably, described trigger point is carbon trigger point or conducting metal trigger point.
Preferably, described metal coating is copper coating or silver coating.
Preferably, any one trigger point of described some trigger points contacts lower electric conductor all energy turning circuits.
Preferably, described often group through hole be made up of 4 or 6 through holes, the metal coating in described through hole highlight through hole in Etching metallic circuit contacts.
Preferably, described low glue-line is mylar, polycarbonate film or polyvinyl chloride film.
Preferably, described LED will send light when described trigger point is with described lower conductive body contact.
Preferably, described upper conducting wire is provided with transparent region and passes through for the light of LED.
Beneficial effect in the present invention
(1) present invention use base material be provided above etch metal circuitry instead traditional in printing on substrates silver wire road shape The circuit become, decreases production process, reduces technology difficulty, significantly save production cost, and the cost of saving is about tradition The 50% of thin film switch;Meanwhile, conducting wire is compactly concentrated on the metal layer, and circuit when reducing printing occurs bad machine Rate, promotes yield
(2) positive pole trigger unit and negative pole trigger unit are simultaneously located in lower electric conductor by the present invention, turn on therewith and lead Electricity body can simply be the conducting medium with conducting function, and by compressing switch, upper electric conductor is led with adjacent positive wire and negative pole Logical, line contacts simultaneously, and both positive and negative polarity turns on, and button turns on.
(3) adding for photo structure, even if the most also can use freely, total button not only increases thin film The safety of switch entirety and accuracy, also improve the aesthetics that thin film switch is overall, novel in design, it is easy to promote the use of.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of thin film switch that the present invention proposes;
Fig. 2 is the upward view of the upper conducting wire that the present invention proposes;
Fig. 3 is the top view of the etching metallic circuit that the present invention proposes;
Fig. 4 is the top view of the low glue-line that the present invention proposes;
In figure: electric conductor under conducting wire under the upper conducting wire of 1-, 11-trigger point, 2-, 3-etching metallic circuit, 31-, The low glue-line of 32-LED lamp, 4-, 5-metal coating, 6-through hole.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is explained orally further.
A kind of thin film switch that the present invention proposes, including upper conducting wire 1, lower conducting wire 2 and be positioned between the two Insulated part, lower conducting wire 2 includes low glue-line 4 and etching metallic circuit 3, and bottom, upper conducting wire 1 is provided with some triggerings Point 11, etching metallic circuit 3 upper end is provided with some lower electric conductors 31 and LED 32, and low glue-line 4 is provided with two groups of through holes 6, through hole The bottom of 6 inside and the low glue-line 4 between two groups of through holes 6 is equipped with metal coating 5, and etching metallic circuit 3 is coated with metal Layer 5 forms closed-loop paths, lower electric conductor 31 is internal include positive pole trigger unit and negative pole trigger unit, trigger point 11 be carbon trigger point or Conducting metal trigger point, metal coating 5 is copper coating or silver coating, and any one triggering of some trigger points 11 taps 11 and arrives down Electric conductor 31 all can turning circuit, often group through hole 6 be made up of 4 or 6 through holes 6, the metal coating 5 in through hole 6 highlights through hole Contacting in etching metallic circuit 3, low glue-line 4 is mylar, polycarbonate film or polyvinyl chloride film, and LED 32 exists Trigger point 11 will send light with lower electric conductor 31 when contacting, upper conducting wire 1 is provided with transparent region for LED 32 Light passes through.
Embodiment one
Trigger point 11 is carbon trigger point, and metal coating 5 is copper coating, when in some trigger points 11, any one triggering taps 11 touch lower electric conductor 31 all can turning circuit, often group through hole 6 is made up of 4 through holes 6, and metal coating in through hole 65 highlights Through hole contacts in etching metallic circuit 3, and low glue-line 4 is mylar, and trigger point 11 will be touched when contacting with lower electric conductor 31 Send out LED 32 and send light, and upper conducting wire 1 is provided with transparent region and passes through for the light of LED 32.
Embodiment two
Trigger point 11 is conducting metal trigger point, and metal coating 5 is silver coating, when in some trigger points 11, any one touches Send out tap 11 touch lower electric conductor 31 all can turning circuit, often group through hole 6 is made up of 6 through holes 6, and metal in through hole 6 is coated with Layer 5 highlights through hole and contacts in etching metallic circuit 3, and low glue-line 4 is polyvinyl chloride film, and trigger point 11 connects with lower electric conductor 31 LED 32 will be triggered time tactile and send light, and upper conducting wire 1 is provided with transparent region and passes through for the light of LED 32.
Embodiment three
Trigger point 11 is carbon trigger point, and metal coating 5 is silver coating, when in some trigger points 11, any one triggering taps 11 touch lower electric conductor 31 all can turning circuit, often group through hole 6 is made up of 6 through holes 6, and metal coating in through hole 65 highlights Through hole contacts in etching metallic circuit 3, and low glue-line 4 is mylar, and trigger point 11 will be touched when contacting with lower electric conductor 31 Send out LED 32 and send light, and upper conducting wire 1 is provided with transparent region and passes through for the light of LED 32.
The present invention uses and is provided above etching traditional being formed on printing on substrates silver wire road of metal circuitry instead at base material Circuit, decrease production process, reduce technology difficulty, significantly save production cost, the cost of saving is about conventional thin The 50% of membrane switch;Meanwhile, conducting wire is compactly concentrated on the metal layer, and circuit when reducing printing occurs bad machine Rate, promotes yield;Positive pole trigger unit and negative pole trigger unit being simultaneously located in lower electric conductor, the upper electric conductor turned on therewith can Only to have the conducting medium of conducting function, by compressing switch, upper electric conductor turns on adjacent positive wire and negative pole, and line is same Time contact, both positive and negative polarity turn on, button turn on;Add for photo structure, even if the most also can use freely, feel the pulse with three fingers simulataneously Button not only increases the overall safety of thin film switch and accuracy, also improves the aesthetics that thin film switch is overall, and design is new Grain husk, it is easy to promote the use of.
The performance elaboration that thin film switch embodiment one, embodiment two, embodiment three and comparative example are presented herein below contrasts:
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.

Claims (8)

1. a thin film switch, including upper conducting wire, lower conducting wire and be positioned at insulated part between the two, its feature Being, described lower conducting wire includes low glue-line and etching metallic circuit, and bottom, described upper conducting wire is provided with some trigger points, Described etching metallic circuit upper end is provided with some lower electric conductors and LED, and described low glue-line is provided with two groups of through holes, described through hole The bottom of inside and the low glue-line between two groups of through holes is equipped with metal coating, described etching metallic circuit and metal coating Form closed-loop path, inside described lower electric conductor, include positive pole trigger unit and negative pole trigger unit.
A kind of thin film switch the most according to claim 1, it is characterised in that described trigger point is carbon trigger point or conductive gold Belong to trigger point.
A kind of thin film switch the most according to claim 1, it is characterised in that described metal coating is copper coating or silver painting Layer.
A kind of thin film switch the most according to claim 1, it is characterised in that any one of described some trigger points triggers Point contacts lower electric conductor all can turning circuit.
A kind of thin film switch the most according to claim 1, it is characterised in that described often group through hole is by 4 or 6 sets of vias Becoming, the metal coating in described through hole highlights through hole and contacts in etching metallic circuit.
A kind of thin film switch the most according to claim 1, it is characterised in that described low glue-line is mylar, poly-carbonic acid Ester film or polyvinyl chloride film.
A kind of thin film switch the most according to claim 1, it is characterised in that described LED in described trigger point with described Light will be sent during lower conductive body contact.
A kind of thin film switch the most according to claim 1, it is characterised in that described upper conducting wire is provided with transparent region Light for LED passes through.
CN201610639336.1A 2016-08-08 2016-08-08 A kind of thin film switch Pending CN106206128A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610639336.1A CN106206128A (en) 2016-08-08 2016-08-08 A kind of thin film switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610639336.1A CN106206128A (en) 2016-08-08 2016-08-08 A kind of thin film switch

Publications (1)

Publication Number Publication Date
CN106206128A true CN106206128A (en) 2016-12-07

Family

ID=57514434

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610639336.1A Pending CN106206128A (en) 2016-08-08 2016-08-08 A kind of thin film switch

Country Status (1)

Country Link
CN (1) CN106206128A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0850831A (en) * 1994-08-10 1996-02-20 Shinano Polymer Kk Illuminating type push-button switch apparatus
CN2909488Y (en) * 2006-05-25 2007-06-06 广州市嘉艺电子薄膜开关有限公司 Luminous electronic thin-film switch
CN2911923Y (en) * 2006-04-20 2007-06-13 成都市武侯区金字塔设计室 Computer keyboard able to illuminate by each key
CN203871239U (en) * 2014-03-26 2014-10-08 海门市曼博莱电子发展有限公司 Film switch
CN203871235U (en) * 2014-03-26 2014-10-08 海门市曼博莱电子发展有限公司 Illuminant type film switch
CN105390318A (en) * 2015-12-24 2016-03-09 江苏传艺科技股份有限公司 Thin-film switch

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0850831A (en) * 1994-08-10 1996-02-20 Shinano Polymer Kk Illuminating type push-button switch apparatus
CN2911923Y (en) * 2006-04-20 2007-06-13 成都市武侯区金字塔设计室 Computer keyboard able to illuminate by each key
CN2909488Y (en) * 2006-05-25 2007-06-06 广州市嘉艺电子薄膜开关有限公司 Luminous electronic thin-film switch
CN203871239U (en) * 2014-03-26 2014-10-08 海门市曼博莱电子发展有限公司 Film switch
CN203871235U (en) * 2014-03-26 2014-10-08 海门市曼博莱电子发展有限公司 Illuminant type film switch
CN105390318A (en) * 2015-12-24 2016-03-09 江苏传艺科技股份有限公司 Thin-film switch

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Application publication date: 20161207