CN108304102A - The electric resistance touch screen of irregular shape - Google Patents
The electric resistance touch screen of irregular shape Download PDFInfo
- Publication number
- CN108304102A CN108304102A CN201711335754.2A CN201711335754A CN108304102A CN 108304102 A CN108304102 A CN 108304102A CN 201711335754 A CN201711335754 A CN 201711335754A CN 108304102 A CN108304102 A CN 108304102A
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- items
- ito
- conductive layer
- touch screen
- electric resistance
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Classifications
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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
- G06F3/045—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
Abstract
The invention discloses a kind of electric resistance touch screens of irregular shape, the periphery for touching film and glass substrate is connected by viscose glue so that tactile form induction cavity between film and glass substrate, several introns are provided in induction cavity, it touches film and is equipped with upper transparent conductive layer close to a side end face of glass substrate, glass substrate is equipped with lower transparent conductive layer close to a side end face of tactile film, and upper transparent conductive layer and lower transparent conductive layer are electrically connected to touch controller by upper FPC and lower FPC respectively；Upper transparent conductive layer is internally provided with several upper ITO items being mutually parallel, and each upper ITO items are electrically connected to FPC, lower transparent conductive layer is internally provided with several lower ITO items being mutually parallel, and each lower ITO items are electrically connected to lower FPC, and upper ITO items are perpendicular to lower ITO items.The electric resistance touch screen disclosure satisfy that the use demand of irregular contour.
Description
Technical field
The present invention relates to electric resistance touch screens, more particularly to a kind of electric resistance touch screen of irregular shape.
Background technology
Touch screen technology is more and more in the application of Industry Control, military display field, including electric resistance touch screen, it is infrared touch
Screen, capacitance touch screen are touched, wherein electric resistance touch screen is widely used because its is simple in structure, reliability is high, environmental suitability is strong.Allusion quotation
The four-line resistive touch screen of type, basic principle structure including one layer of outer surface cure process inner surface as shown in Figure 1, be coated with
The film of transparent conductive layer, one layer of upper surface are coated with the glass substrate of transparent conductive layer and between two layers of ITO
Transparent partition son.Two layers of ITO working face of four-wire type artifical resistance touch screen must be complete, the two of each working face
An elargol is respectively applied on side, one end adds 5V voltages, the other end to add 0V voltages, and a uniformly continuous can be formed on working face
Parallel voltage distribution, when finger presses touch screen surface, the contact conducting of both sides ITO conductive layer, controller detects this and connects
The voltage value of the corresponding upper layer and lower layer ITO in position is touched, and voltage value is converted into relative to upper and lower ITO layer electricity using voltage divider principle
X, the Y location coordinate of pole, to realize touch positioning function.
From the operation principle of above-mentioned artifical resistance touch screen it is found that upper layer and lower layer ITO layer is necessary for the ITO of irregular figure,
Equally distributed electric field could be formed, to calculate X, Y coordinates position, thus can not be real for the application scenario of irregular shape
Existing resistive touch.
And in actual production and application, the needs of the touch display screen of non-regular shape are frequently encountered, such as
Trapezoidal, hexagon, circle etc. cannot meet the needs of this non-regular shape touches with traditional four-wire resistive screen.
Invention content
The object of the present invention is to provide a kind of electric resistance touch screen of irregular shape, which disclosure satisfy that and do not advise
The then use demand of shape.
To achieve the goals above, the present invention provides a kind of electric resistance touch screen of irregular shape, the resistive touch
Screen includes spaced glass substrate, touches film and touch controller, and the periphery of the tactile film and the glass substrate, which passes through, to be glued
Glue connection is parched if being provided in the induction cavity so that form induction cavity between the tactile film and the glass substrate
Bright introns, this touches film and is equipped with upper transparent conductive layer, the glass substrate close to a side end face of the glass substrate
It is equipped with lower transparent conductive layer close to a side end face of the tactile film, the upper transparent conductive layer and the lower ITO are saturating
Bright conductive layer is electrically connected to the touch controller by upper FPC and lower FPC respectively；The inside of the upper transparent conductive layer
Several upper ITO items being mutually parallel are provided with, and each upper ITO items are electrically connected to the upper FPC, the lower ITO is saturating
Bright conductive layer is internally provided with several lower ITO items being mutually parallel, and each lower ITO items be electrically connected to it is described under
FPC, wherein the upper ITO items are towards the projection on the lower transparent conductive layer perpendicular to the lower ITO items.
Preferably, the thickness of the tactile film is 0.11-0.19mm.
Preferably, a side end face of the tactile film far from the glass substrate is equipped with by cure process and surface light
Sliding plastic layer.
Preferably, the upper ITO items are identical with the diameter of the lower ITO items.
Preferably, a diameter of 0.02-0.08mm of the upper ITO items and the lower ITO items.
Preferably, a diameter of 1-2mm of the upper ITO items and the lower ITO items.
Preferably, it is provided with the first gap between multiple upper ITO items, is provided between multiple described lower ITO articles
Two gaps.
Preferably, the width in first gap is the 1/5-1/3 of the upper ITO diameter, the width in second gap
Degree is the 1/5-1/3 of the lower ITO diameter.
Preferably, it is provided with insulation strip in first gap and/or second gap.
Preferably, the insulation strip is made of transparent insulating resin.
According to above-mentioned technical proposal, heretofore described tactile film connected by viscose glue with the periphery of the glass substrate so that
It obtains and forms induction cavity between the tactile film and the glass substrate, several transparent intervals are provided in the induction cavity
Son, this touches film and is equipped with upper transparent conductive layer close to a side end face of the glass substrate, and the glass substrate is close to described
The side end face for touching film is equipped with lower transparent conductive layer, the upper transparent conductive layer and the lower transparent conductive layer
The touch controller is electrically connected to by upper FPC and lower FPC respectively；If the upper transparent conductive layer is internally provided with
The dry upper ITO items being mutually parallel, and each upper ITO items are electrically connected to the upper FPC, the lower transparent conductive layer
Be internally provided with several lower ITO items being mutually parallel, and each lower ITO items are electrically connected to the lower FPC, wherein
The upper ITO items are towards the projection on the lower transparent conductive layer perpendicular to the lower ITO items.By the upper of electric resistance touch screen
Transparent conductive layer and lower transparent conductive layer are subdivided into the upper ITO items of multiple X-directions and Y direction and lower ITO respectively
Item, upper ITO items towards the projection on lower transparent conductive layer perpendicular to lower ITO items, using upper ITO items as driving, lower ITO
For item as sensed layer, the method that touch controller scans upper ITO strip adoptions one by one carries out driving scanning, if there is finger touching
The somewhere pressure that film is touched on screen touches, and when upper ITO items scanning is to touch location, corresponding lower ITO items can sense ITO items
Voltage signal, the corresponding coordinate position of upper and lower ITO items exports as touch location.Exist to solve electric resistance touch screen
The demand that the place of irregular contour uses.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is to be used to provide further understanding of the present invention, an and part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of longitudinal cross-section structure chart of preferred embodiment of electric resistance touch screen in the present invention；
Fig. 2 is a kind of overall structure diagram of preferred embodiment of electric resistance touch screen in the present invention；
Fig. 3 is a kind of structural representation for preferred embodiment that upper transparent conductive layer is connected with upper FPC in the present invention
Figure；
Fig. 4 is the structural representation of lower transparent conductive layer and a kind of lower FPC preferred embodiments connected in the present invention
Figure.
Reference sign
1 tactile film, 2 glass substrate
3 introns, 4 viscose glue
6 times FPC of FPC on 5
ITO items on 7 touch controllers 8
9 times ITO items
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific implementation mode stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, " up and down, front and back inside and outside " etc. is included in the term
The noun of locality only represents orientation of the term under normal service condition, or be those skilled in the art understand that be commonly called as, without answering
It is considered as the limitation to the term.
Referring to the electric resistance touch screen of irregular shape shown in Fig. 1-4, the electric resistance touch screen includes spaced glass
Glass substrate 2 touches film 1 and touch controller 7, the periphery of the tactile film 1 and the glass substrate 2 connected by viscose glue 4 so that
Induction cavity is formed between the tactile film 1 and the glass substrate 2, several transparent introns are provided in the induction cavity
3, this touches film 1 and is equipped with upper transparent conductive layer close to a side end face of the glass substrate 2, and the glass substrate 2 is close to institute
The side end face for stating tactile film 1 is equipped with lower transparent conductive layer, and the upper transparent conductive layer and the lower transparent are conductive
Layer is electrically connected to the touch controller 7 by upper FPC5 and lower FPC6 respectively；The inside of the upper transparent conductive layer is arranged
There are several upper ITO items 8 being mutually parallel, and each upper ITO items 8 are electrically connected to the upper FPC5, the lower transparent
Conductive layer is internally provided with several lower ITO items 9 being mutually parallel, and each lower ITO items 9 be electrically connected to it is described under
FPC6, wherein the upper ITO items 8 are towards the projection on the lower transparent conductive layer perpendicular to the lower ITO items 9.
Through the implementation of the above technical solution, the periphery of the tactile film 1 and the glass substrate 2 by viscose glue 4 connect with
So that form induction cavity between the tactile film 1 and the glass substrate 2, be provided in the induction cavity it is several it is transparent between
Every son 3, this touches film 1 and is equipped with upper transparent conductive layer close to a side end face of the glass substrate 2, and the glass substrate 2 leans on
One side end face of the nearly tactile film 1 is equipped with lower transparent conductive layer, the upper transparent conductive layer and the lower transparent
Conductive layer is electrically connected to the touch controller 7 by upper FPC5 and lower FPC6 respectively；The inside of the upper transparent conductive layer
Several upper ITO items 8 being mutually parallel are provided with, and each upper ITO items 8 are electrically connected to the upper FPC5, the lower ITO
Transparency conducting layer is internally provided with several lower ITO items 9 being mutually parallel, and each lower ITO items 9 be electrically connected to it is described
Lower FPC6, wherein the upper ITO items 8 are towards the projection on the lower transparent conductive layer perpendicular to the lower ITO items 9.It will
The upper transparent conductive layer of electric resistance touch screen and lower transparent conductive layer are subdivided into multiple X-directions and Y direction respectively
Upper ITO items 8 and lower ITO items 9, upper ITO items 8 are towards the projection on lower transparent conductive layer on lower ITO items 9, use
For ITO items 8 as driving, lower ITO items 9 are used as sensed layer, touch controller 7 to carry out upper ITO items 8 using the method scanned one by one
Driving scanning, it is corresponding when the upper scanning of ITO items 8 is to touch location if there is the somewhere pressure that finger touches film 1 on the touchscreen to touch
Lower ITO items 9 can sense the voltage signals of ITO items 8,9 corresponding coordinate position of upper and lower ITO items is i.e. as touching position
Set output.To solve the demand that electric resistance touch screen uses in the place of irregular contour.The scanning theory of touch controller 7
It is as follows：Wherein upper FPC5 and lower FPC6 is responsible for connect the silver wire of ITO items 8 and lower ITO items 9 and touch controller 7 in each
Connection.The effect of touch controller 7 be apply voltage one by one to ITO items 8 in each by upper FPC5 to be scanned driving, and
The voltage of ITO items 9 under each is sensed by lower FPC6.Touch controller 7 applies ITO items 8 in each one by one
Voltage is scanned driving, and per one upper ITO item 8 of turntable driving, just ITO items lower to every 9 sense, if not touching hair
Raw, the voltage of ITO items 9 is all zero under each that touch controller 7 senses；When finger touches a certain position, the position pair
Upper and lower ITO items 9 conducting answered, when touch controller 7 scans corresponding upper ITO items 8, phase is sensed on corresponding lower ITO items 9
The voltage value answered, upper 8 corresponding X-coordinate of ITO items and lower 9 corresponding Y coordinate of ITO items are the position coordinates of touch point at this time
(X,Y).FPC therein is the abbreviation of circuit soft board.
In this embodiment, in order to improve the reaction speed of tactile film 1, it is preferable that the thickness of the tactile film 1 is 0.11-
0.19mm.Thicker tactile film 1 can be applied in larger touch screen.
In this embodiment, in order to improve the touch feeling of tactile film 1 and the use intensity of tactile film 1, it is preferable that described
It touches a side end face of the film 1 far from the glass substrate 2 and is equipped with plastic layer by cure process and that surface is smooth.
In this embodiment, in order to improve the inductive voltage value on pressure voltage and lower ITO items 9 on upper ITO items 8
With more precisely, it is easier to positioning touch location, it is preferable that the upper ITO items 8 are identical with the diameter of the lower ITO items 9.
In this embodiment it is preferred that ground, a diameter of 0.02-0.08mm of the upper ITO items 8 and the lower ITO items 9.
The position control of the smaller touch of diameter of upper ITO items 8 and lower ITO items 9 is more accurate, as using the ITO items of which kind of diameter can be with
As needed and cost consideration.
In this embodiment it is preferred that ground, a diameter of 1-2mm of the upper ITO items 8 and the lower ITO items 9.For compared with
For big touch screen, it need not touch that precision is very high, it can be according to cost consideration by the straight of upper ITO items 8 and lower ITO items 9
Diameter is set as 1-2mm, cost-effective.
In this embodiment, in order to avoid between two adjacent upper ITO items 8 or two adjacent lower ITO items 9
It interferes with each other, it is preferable that be provided with the first gap between multiple upper ITO items 8, be provided between multiple lower ITO items 9
Second gap.
In this embodiment, in order to avoid between two adjacent upper ITO items 8 or two adjacent lower ITO items 9
While interfering with each other, do not influence to touch effect, it is preferable that the width in first gap is upper 8 diameter of ITO items
, the width in second gap is the 1/5-1/3 of lower 9 diameter of ITO items.
In this embodiment, in order to further avoid two adjacent upper ITO items 8 or two adjacent lower ITO
Interfering with each other between item 9, it is preferable that be provided with insulation strip in first gap and/or second gap.
In this embodiment, in order to further avoid two adjacent upper ITO items 8 or it is two adjacent under
The display effect for not influencing touch screen while interfering with each other between ITO items 9, it is preferable that the insulation strip is by transparent exhausted
Edge resin is made.In addition, insulating resin itself has certain elasticity, certain resilient support can be played the role of, avoid touching
Screen pressing transition is touched to damage.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical scheme of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of electric resistance touch screen of irregular shape, the electric resistance touch screen includes spaced glass substrate (2), touches film
(1) and touch controller (7), the periphery of the tactile film (1) and the glass substrate (2) is connected by viscose glue (4) so that institute
It states and forms induction cavity between tactile film (1) and the glass substrate (2), several transparent intervals are provided in the induction cavity
Sub (3), which is characterized in that the tactile film (1) is equipped with transparent conduction close to a side end face of the glass substrate (2)
Layer, the glass substrate (2) are equipped with lower transparent conductive layer close to a side end face of the tactile film (1), and the upper ITO is saturating
Bright conductive layer and the lower transparent conductive layer are electrically connected to the touch controller by upper FPC (5) and lower FPC (6) respectively
(7)；
The upper transparent conductive layer is internally provided with several upper ITO items (8) being mutually parallel, and each upper ITO items
(8) it is electrically connected to the upper FPC (5), the lower transparent conductive layer is internally provided with several lower ITO being mutually parallel
Item (9), and each lower ITO items (9) are electrically connected to the lower FPC (6), wherein the upper ITO items (8) are described in
Projection on lower transparent conductive layer is perpendicular to the lower ITO items (9).
2. the electric resistance touch screen of irregular shape according to claim 1, which is characterized in that the thickness of the tactile film (1)
For 0.11-0.19mm.
3. the electric resistance touch screen of irregular shape according to claim 1 or 2, which is characterized in that the tactile film (1) is separate
One side end face of the glass substrate (2) is equipped with plastic layer by cure process and that surface is smooth.
4. the electric resistance touch screen of irregular shape according to claim 1, which is characterized in that the upper ITO items (8) and institute
The diameter for stating lower ITO items (9) is identical.
5. the electric resistance touch screen of irregular shape according to claim 4, which is characterized in that the upper ITO items (8) and institute
State a diameter of 0.02-0.08mm of lower ITO items (9).
6. the electric resistance touch screen of irregular shape according to claim 4, which is characterized in that the upper ITO items (8) and institute
State a diameter of 1-2mm of lower ITO items (9).
7. the electric resistance touch screen of the irregular shape according to any one in claim 1-6, which is characterized in that multiple
It is provided with the first gap between the upper ITO items (8), the second gap is provided between multiple lower ITO items (9).
8. the electric resistance touch screen of irregular shape according to claim 7, which is characterized in that the width in first gap
For the 1/5-1/3 of upper ITO items (8) diameter, the width in second gap is the 1/5-1/ of lower ITO items (9) diameter
3。
9. the electric resistance touch screen of irregular shape according to claim 8, which is characterized in that first gap and/or
It is provided with insulation strip in second gap.
10. the electric resistance touch screen of irregular shape according to claim 9, which is characterized in that the insulation strip is by transparent
Insulating resin be made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711335754.2A CN108304102A (en) | 2017-12-14 | 2017-12-14 | The electric resistance touch screen of irregular shape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711335754.2A CN108304102A (en) | 2017-12-14 | 2017-12-14 | The electric resistance touch screen of irregular shape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108304102A true CN108304102A (en) | 2018-07-20 |
Family
ID=62870023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711335754.2A Pending CN108304102A (en) | 2017-12-14 | 2017-12-14 | The electric resistance touch screen of irregular shape |
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| JP2005149967A (en) * | 2003-11-18 | 2005-06-09 | Kawaguchiko Seimitsu Co Ltd | Touch panel and screen input type display device with the same |
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| CN101625465A (en) * | 2008-07-09 | 2010-01-13 | 清华大学 | Touch liquid crystal display screen |
| CN101739189A (en) * | 2008-11-26 | 2010-06-16 | 旭曜科技股份有限公司 | Method for detecting contacts, and touch panel using same |
| CN101866253A (en) * | 2009-04-20 | 2010-10-20 | 禾瑞亚科技股份有限公司 | Resistance type multi-point touch device and method |
| CN201936287U (en) * | 2010-12-17 | 2011-08-17 | 比亚迪股份有限公司 | Resistance type touch screen |
| CN202694312U (en) * | 2012-05-25 | 2013-01-23 | 无锡宇宁光电科技有限公司 | Abnormal touch screen device |
-
2017
- 2017-12-14 CN CN201711335754.2A patent/CN108304102A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005149967A (en) * | 2003-11-18 | 2005-06-09 | Kawaguchiko Seimitsu Co Ltd | Touch panel and screen input type display device with the same |
| CN101625465A (en) * | 2008-07-09 | 2010-01-13 | 清华大学 | Touch liquid crystal display screen |
| CN101339481A (en) * | 2008-08-14 | 2009-01-07 | 成都吉锐触摸技术股份有限公司 | Electric resistance array touch screen |
| CN101739189A (en) * | 2008-11-26 | 2010-06-16 | 旭曜科技股份有限公司 | Method for detecting contacts, and touch panel using same |
| CN101866253A (en) * | 2009-04-20 | 2010-10-20 | 禾瑞亚科技股份有限公司 | Resistance type multi-point touch device and method |
| CN201936287U (en) * | 2010-12-17 | 2011-08-17 | 比亚迪股份有限公司 | Resistance type touch screen |
| CN202694312U (en) * | 2012-05-25 | 2013-01-23 | 无锡宇宁光电科技有限公司 | Abnormal touch screen device |
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Application publication date: 20180720 |