[go: up one dir, main page]

CN104020903A - Novel integrated capacitive touch screen - Google Patents

Novel integrated capacitive touch screen Download PDF

Info

Publication number
CN104020903A
CN104020903A CN201410229441.9A CN201410229441A CN104020903A CN 104020903 A CN104020903 A CN 104020903A CN 201410229441 A CN201410229441 A CN 201410229441A CN 104020903 A CN104020903 A CN 104020903A
Authority
CN
China
Prior art keywords
touch screen
capacitive touch
toughened glass
tempered glass
conductive
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
CN201410229441.9A
Other languages
Chinese (zh)
Inventor
吴宝玉
方维祥
张庆超
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.)
Green Precision Components Huizhou Co Ltd
Original Assignee
Green Precision Components Huizhou Co Ltd
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 Green Precision Components Huizhou Co Ltd filed Critical Green Precision Components Huizhou Co Ltd
Priority to CN201410229441.9A priority Critical patent/CN104020903A/en
Publication of CN104020903A publication Critical patent/CN104020903A/en
Pending legal-status Critical Current

Links

Landscapes

  • Position Input By Displaying (AREA)

Abstract

The invention provides a novel integrated capacitive touch screen which comprises a sensor and a toughened glass film. The sensor is used for sensing touch points, the sensor is a conductive toughened glass which is formed by processing toughened glass coated with a whole-face conductive layer, specific patterns are arranged on the surface of the conductive toughened glass, and the thickness of the conductive toughened glass is smaller than 0.55 mm. The toughened glass film is attached to the conductive toughened glass, and the conductive toughened glass and the toughened glass film are attached together through optical double-sided adhesive tape. The surface hardness of the toughened glass film is no less than 7H/750 g, and the visible light transmittance is no less than 90%. An appearance effect layer is arranged on the inner surface of the toughened glass film, and the appearance effect layer is formed through the processes of printing, spraying, electroplating and the like. The novel integrated capacitive touch screen further comprises a flexible circuit board which is connected with the conductive toughened glass. The novel integrated capacitive touch screen lowers the total thickness and weight of a product, lowers the raw material and processing cost, and meanwhile improves the appearance effect of the product.

Description

A kind of integration type capacitive touch screen
Technical field
The present invention relates to capacitive touch screen field, be specifically related to a kind of integration type capacitive touch screen.
Background technology
Touch screen is for the compound touch-screen on the electronic products such as mobile phone, e-book, digital camera, and wherein capacitance type touch control screen is the most frequently used a kind of in touch screen.
Capacitance type touch control screen is to utilize the electric current induction of human body to carry out work, when user's finger touch is on capacitance type touch control screen, due to people's bulk electric field, user and capacitance touching control screen surfaces form with a coupling capacitance (for high-frequency current, electric capacity can be considered as conductor), so finger siphons away a very little electric current from the touch point of capacitance touching control screen surfaces, this electric current divides in the electrode four jiaos from capacitance type touch control screen and flows out.The electric current of these four electrodes of flowing through is directly proportional to the distance of four jiaos to finger, and controller, by the accurate Calculation to these four current ratios, draws the position of touch point.
Existing capacitance type touch control screen generally includes following chief component element: at glass or poly terephthalic acid class plastics (PET, Polyethylene terephthalate) on base material, plated the nano indium tin metal oxide ITO sensor of indium tin metal oxide (ITO, Indium Tin Oxides) pattern; The cover plate that ITO sensor is shielded (Cover Lens); For the optics double faced adhesive tape of bonding ITO sensor and cover plate (Cover Lens) and for calculating touch point return to the flexible PCB of processor.Existing capacitive touch screen need utilize glass as cover plate, utilize glass or PET as conductive base, and the cutting yield of glass baseplate is lower, make starting material and processing cost higher, PET base material promotes also limited aspect etching yield and efficiency, simultaneously at present gradually single glass structure capacitance plate of volume production also have that color is single, poor toughness, frangible shortcoming.
Application number discloses the patent of invention that name is called " a kind of capacitance type touch control screen " for the Chinese patent of " 201110171418.5 "; it comprises basal plate, induction electrode layer and protective seam; described induction electrode layer is arranged in order and is formed by some parallel induction electrode groups, and induction electrode layer is between basal plate and protective seam.Its weak point is that tempered glass (protective seam) structure color is single, affects the overall appearance of product.
Summary of the invention
The object of the present invention is to provide a kind of integration type capacitive touch screen, can reduce overall product thickness and weight, reduce starting material and processing cost, improve the appearance effect of product simultaneously.
In order to realize above object, the invention provides a kind of integration type capacitive touch screen, comprising: for the sensor of sensing touch point; Described sensor is to be coated with the conduction tempered glass with particular conductivity figure that the tempered glass of whole conductive layer is processed into; Tempered glass film; Be fitted in conduction tempering on glass; Together with conduction tempered glass passes through optics adhered by double sided plaster with tempered glass film.
Further, the thickness of conduction tempered glass is less than 0.55mm, and product integral thickness can be controlled in 0.7mm, greatly reduces thickness and the weight of product.
Further, tempered glass film skin hardness is not less than 7H/750g, visible light transmissivity is not less than 90%, therefore pass through optics adhered by double sided plaster after conduction tempering glass surface, guaranteeing under the prerequisite of capacitance plate skin hardness and translucent effect, can play effect explosion-proof and lifting capacitance plate overall flexibility simultaneously.
Further, the inside surface of tempered glass film forms the appearance effect layer of different color or texture by techniques such as printing, spraying, plating.
Further, integration type capacitive touch screen also comprises a flexible PCB, and flexible PCB connects with conduction tempering glassy phase, for calculating touch point return to processor.
Integration type structure capacitive touch screen provided by the invention at least has the following advantages:
(1) starting material and processing cost reduce.Existing capacitive touch screen technology in various degree exist the problem that the cost of raw material is high or processing cost is high, integration type structure capacitive touch screen provided by the invention only needs a sheet glass as base material, and the glass baseplate that is different from single glass structure capacitance plate need be taken into account the technological requirement of appearance effect, and starting material and processing cost are all decreased significantly.
(2) overall product thickness and weight reducing.Integration type structure capacitive touch screen provided by the invention, what account for thickness and weight proportion maximum is a slice tempered glass, and tempered glass can accomplish in 0.55mm, and integral thickness can be controlled in 0.7mm, therefore in thickness and weight, all has superiority.
(3) appearance effect variation.Integration type structure capacitive touch screen provided by the invention adopts the techniques such as the inside surface of tempered glass film prints, spraying, plating to form the appearance effect of different color or texture, because being different from the glass baseplate of single glass structure capacitance plate, need take into account the technological requirement of appearance effect, therefore more flexible in outward appearance effect process.
(4) product reliability promotes.Touch screen drop test is a very important link in product test, and existing capacitance type touch control screen is containing one to two tempered glass, and the probability that falls rear fragmentation is larger.Comparatively speaking, integration type structure capacitive touch screen provided by the invention adopts the combination of a slice tempered glass film and a slice tempered glass greatly to promote the anti-dropping capability of product, and the tempered glass film attaching can play good explosion-proof effect simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of integration type capacitive touch screen provided by the invention.
Embodiment
A kind of integration type capacitive touch screen provided by the invention, has reduced overall product thickness and weight, has reduced starting material and processing cost, has improved the appearance effect of product simultaneously.
Below in conjunction with the accompanying drawing in the present invention, the technical scheme in the present invention is clearly and completely described, obviously, described is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belongs to the scope of protection of the invention.
As shown in Figure 1, a kind of integration type capacitive touch screen, comprising: for the sensor of sensing touch point; Described sensor is to be coated with the conduction tempered glass 23 with particular conductivity figure that the tempered glass of whole conductive layer is processed into; Tempered glass film 20, is fitted on conduction tempered glass 23; Conduction tempered glass 23 is bonded together by optics double faced adhesive tape 22 with tempered glass film 20; The thickness of conduction tempered glass 23 is less than 0.55mm, and product integral thickness can be controlled in 0.7mm, greatly reduces thickness and the weight of product; Tempered glass film 20 skin hardnesses are not less than 7H/750g, visible light transmissivity is not less than 90%, therefore by optics double faced adhesive tape 22, be bonded in behind conduction tempered glass 23 surfaces, guaranteeing under the prerequisite of capacitance plate skin hardness and translucent effect, can play effect explosion-proof and lifting capacitance plate overall flexibility simultaneously; The inside surface of tempered glass film 23 forms the appearance effect layer 21 of different color or texture by techniques such as printing, spraying, plating, strengthened the aesthetic property of screen; Integration type capacitive touch screen also comprises a flexible PCB 24, and flexible PCB connects with conduction tempering glassy phase, for calculating touch point return to processor.
Known by above description, integration type structure capacitive touch screen provided by the invention at least has the following advantages:
(1) starting material and processing cost reduce.Existing capacitive touch screen technology in various degree exist the problem that the cost of raw material is high or processing cost is high, integration type structure capacitive touch screen provided by the invention only needs a sheet glass as base material, and the glass baseplate that is different from single glass structure capacitance plate need be taken into account the technological requirement of appearance effect, and starting material and processing cost are all decreased significantly.
(2) overall product thickness and weight reducing.Integration type structure capacitive touch screen provided by the invention, what account for thickness and weight proportion maximum is a slice tempered glass, and tempered glass can accomplish in 0.55mm, and integral thickness can be controlled in 0.7mm, therefore in thickness and weight, all has superiority.
(3) appearance effect variation.Integration type structure capacitive touch screen provided by the invention adopts the techniques such as the inside surface of tempered glass film prints, spraying, plating to form the appearance effect of different color or texture, because being different from the glass baseplate of single glass structure capacitance plate, need take into account the technological requirement of appearance effect, therefore more flexible in outward appearance effect process.
(4) product reliability promotes.Touch screen drop test is a very important link in product test, and existing capacitance type touch control screen is containing one to two tempered glass, and the probability that falls rear fragmentation is larger.Comparatively speaking, integration type structure capacitive touch screen provided by the invention adopts the combination of a slice tempered glass film and a slice tempered glass greatly to promote the anti-dropping capability of product, and the tempered glass film attaching can play good explosion-proof effect simultaneously.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.

Claims (6)

1. an integration type capacitive touch screen, is characterized in that, comprising:
Sensor for sensing touch point; Sensor is a conduction tempered glass, by being coated with the tempered glass of whole conductive layer, is processed into;
Tempered glass film; Be fitted in conduction tempering on glass;
Together with conduction tempered glass passes through optics adhered by double sided plaster with tempered glass film.
2. a kind of integration type capacitive touch screen according to claim 1, is characterized in that, conduction tempering is on glass is provided with specific conductive pattern.
3. a kind of integration type capacitive touch screen according to claim 1 and 2, is characterized in that, the thickness of conduction tempered glass is less than 0.55mm.
4. a kind of integration type capacitive touch screen according to claim 1, is characterized in that, tempered glass film skin hardness is not less than 7H/750g, and visible light transmissivity is not less than 90%.
5. a kind of integration type capacitive touch screen according to claim 1, is characterized in that, the inside surface of tempered glass film is provided with an appearance effect layer, and it forms by techniques such as printing, spraying, plating.
6. a kind of integration type capacitive touch screen according to claim 1, is characterized in that, integration type capacitive touch screen also comprises a flexible PCB, and flexible PCB connects with conduction tempering glassy phase.
CN201410229441.9A 2014-05-22 2014-05-22 Novel integrated capacitive touch screen Pending CN104020903A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410229441.9A CN104020903A (en) 2014-05-22 2014-05-22 Novel integrated capacitive touch screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410229441.9A CN104020903A (en) 2014-05-22 2014-05-22 Novel integrated capacitive touch screen

Publications (1)

Publication Number Publication Date
CN104020903A true CN104020903A (en) 2014-09-03

Family

ID=51437690

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410229441.9A Pending CN104020903A (en) 2014-05-22 2014-05-22 Novel integrated capacitive touch screen

Country Status (1)

Country Link
CN (1) CN104020903A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106775103A (en) * 2016-12-29 2017-05-31 重庆金鑫智慧科技有限公司 A kind of intelligent touch panel switch
CN116394603A (en) * 2023-03-16 2023-07-07 凯盛科技股份有限公司蚌埠华益分公司 High-hardness high-dielectric-constant vehicle-mounted glass cover plate with AR and AF functions

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090197088A1 (en) * 2007-08-03 2009-08-06 Nippon Electric Glass Co., Ltd. Tempered glass substrate and method of producing the same
CN102279683A (en) * 2011-08-30 2011-12-14 深圳市豪威薄膜技术有限公司 Integrated capacitive touch screen and manufacturing method thereof and touch screen terminal
CN102331894A (en) * 2011-09-27 2012-01-25 利信光学(苏州)有限公司 Capacitive touch screen structure
CN102681741A (en) * 2012-05-15 2012-09-19 格林精密部件(惠州)有限公司 Single layer Film double layer ITO (indium tin oxide) structure capacitor touch control screen
CN203630765U (en) * 2013-12-11 2014-06-04 兴科电子(东莞)有限公司 Projecting type capacitive touch screen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090197088A1 (en) * 2007-08-03 2009-08-06 Nippon Electric Glass Co., Ltd. Tempered glass substrate and method of producing the same
CN102279683A (en) * 2011-08-30 2011-12-14 深圳市豪威薄膜技术有限公司 Integrated capacitive touch screen and manufacturing method thereof and touch screen terminal
CN102331894A (en) * 2011-09-27 2012-01-25 利信光学(苏州)有限公司 Capacitive touch screen structure
CN102681741A (en) * 2012-05-15 2012-09-19 格林精密部件(惠州)有限公司 Single layer Film double layer ITO (indium tin oxide) structure capacitor touch control screen
CN203630765U (en) * 2013-12-11 2014-06-04 兴科电子(东莞)有限公司 Projecting type capacitive touch screen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106775103A (en) * 2016-12-29 2017-05-31 重庆金鑫智慧科技有限公司 A kind of intelligent touch panel switch
CN116394603A (en) * 2023-03-16 2023-07-07 凯盛科技股份有限公司蚌埠华益分公司 High-hardness high-dielectric-constant vehicle-mounted glass cover plate with AR and AF functions

Similar Documents

Publication Publication Date Title
CN102253781B (en) Metal-bridge integrated capacitive touch screen and manufacturing method
US20140092324A1 (en) Transparent conductive substrate and touch panel having the same
CN102298475A (en) Indium tin oxide (ITO) through hole integrated capacitive touch screen and production method thereof
CN103164101A (en) Capacitance touch screen based on grapheme sensors
CN104035644A (en) Color capacitive touch screen and manufacturing method thereof
CN102722302A (en) Capacitive touch-control screen with single-layer Film double-faced ITO (indium tin oxide) structure
CN102541383A (en) Non-lapping integrated capacitive touch screen without metal electrode layer and manufacturing method for non-lapping integrated capacitive touch screen
CN102681741A (en) Single layer Film double layer ITO (indium tin oxide) structure capacitor touch control screen
CN104020903A (en) Novel integrated capacitive touch screen
CN102750061A (en) Capacitive touch screen based on carbon nanotube sensor
CN202548814U (en) Capacitive touch-control screen with single-layer Film structure
CN202548816U (en) Capacitive touch screen with dual-layer Film structure
CN201876858U (en) Double-sided staggered capacitive touch screen
CN202533921U (en) Ultrathin capacitive touch screen
CN203930761U (en) A kind of integration type capacitive touch screen
CN202615368U (en) Single-layer Film double-side ITO structured capacitive touch screen
CN201837985U (en) Dual-sided straight strip-shaped capacitive touch screen
CN103279249A (en) Casing integrating type capacitance touch screen
CN206162476U (en) Monolayer -film multipoint touch screen
CN103425376A (en) Capacitive touch screen
CN204331693U (en) A kind of projecting type capacitor touch screen
CN203882300U (en) Color capacitive touch screen
CN103713791A (en) Capacitive-type touch module with single plastic sheet, production method for same, and OPS touch screen
CN204066058U (en) Sapphire touch-screen and terminal
CN204613919U (en) A kind of capacitive touch screen adopting monolithic plastic sheet structure

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Address after: 516025 Huizhou City, Guangdong Province, the three digital Industrial Park

Applicant after: Guangdong Green precision parts Limited by Share Ltd

Address before: Three Huicheng Guangdong District, Huizhou City, the number of Digital Industrial Park

Applicant before: Green Precision Components (Huizhou) Co. Ltd.

COR Change of bibliographic data
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20140903