CN204331679U - A kind of monolayer capacitive touch screen - Google Patents
A kind of monolayer capacitive touch screen Download PDFInfo
- Publication number
- CN204331679U CN204331679U CN201420793577.8U CN201420793577U CN204331679U CN 204331679 U CN204331679 U CN 204331679U CN 201420793577 U CN201420793577 U CN 201420793577U CN 204331679 U CN204331679 U CN 204331679U
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- circuit board
- spacing
- touch screen
- capacitive touch
- optical cement
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Abstract
The utility model discloses a kind of monolayer capacitive touch screen, comprise adopt earth silicon material make polaroid, the protective lens being located at polaroid lower surface, be located at the glass plate below protective lens and be located at the flexible printed circuit board of glass plate side, the upper surface of glass plate is provided with the electric pole plate be set up in parallel by the first spacing, the lower surface of glass plate is provided with the lower electrode plate be set up in parallel by the second spacing, fill an OCA optical cement in first spacing, in the second spacing, fill the 2nd OCA optical cement; Flexible printed circuit board comprises the first connecting circuit board, the second connecting circuit board and the 3rd connecting circuit board, and the first connecting circuit board is connected with electric pole plate, and the second connecting circuit board is connected with lower electrode plate, and the 3rd connecting circuit board is connected with circuit.This monolayer capacitive touch screen stable performance, antistatic effect is strong, and structure is simple, cost is low.
Description
Technical field
the utility model relates to a kind of capacitive touch screen, more particularly relates to a kind of monolayer capacitive touch screen.
Background technology
touch-screen, as one man-machine interaction mode easily, is widely used in as plurality of devices such as mobile phone, media player, navigational system, digital camera, photo frame, PDA, game station, display, electrical equipment control, Medical Devices.According to the medium of principle of work and transmission information, touch-screen can be divided into four kinds, be respectively resistance-type, condenser type, infrared-type and surface acoustic wave type, capacitive touch screen is one piece of two layers of compound glass screen, the inside surface interlayer of glass screen scribbles ITO (plated film electro-conductive glass), outermost layer is skim silicon soil glassivation, ITO coating is as workplace, four electrodes are drawn at four angles, when finger touch is on screen, due to human body electric field, user and touch screen surface form a coupling capacitance, for high-frequency current, electric capacity is direct conductor, a very little electric current is siphoned away from contact point so point, this electric current flows out respectively from the electrode the corner of touch-screen, and flow through the electric current of these four electrodes and the distance of finger to corner
Be directly proportional, controller, by the accurate Calculation to these four current ratios, draws the position of touch point.
Capacitive touch screen of the prior art is mostly adopt single-surface single-layer structure, and the capacitive touch screen of this structure there will be the problem of hydraulic performance decline after a protracted use; The capacitive touch screen of this structure is due to the long-term situation that there will be surface abrasion with human contact in addition, and utility time long after occur that intraware damages, cause the antistatic effect of capacitive touch screen poor.
Utility model content
The technical matters that the utility model solves is to provide a kind of monolayer capacitive touch screen, and this capacitive touch screen adopts bilateral structure stable performance, and antistatic effect is strong.
For the technical scheme solving the problems of the technologies described above employing is: a kind of monolayer capacitive touch screen, comprise adopt earth silicon material make polaroid, the protective lens being located at polaroid lower surface, be located at the glass plate below protective lens and be located at the flexible printed circuit board of glass plate side, the upper surface of glass plate is provided with the electric pole plate be set up in parallel by the first spacing, the lower surface of glass plate is provided with the lower electrode plate be set up in parallel by the second spacing, fill an OCA optical cement in first spacing, in the second spacing, fill the 2nd OCA optical cement; Flexible printed circuit board comprises the first connecting circuit board, the second connecting circuit board and the 3rd connecting circuit board, and the first connecting circuit board is connected with electric pole plate, and the second connecting circuit board is connected with lower electrode plate, and the 3rd connecting circuit board is connected with circuit.
Further, also comprise metal film, metal film is located between described glass plate and described protective lens, and one end of metal film is connected with described electric pole plate, and its other end is connected with described first connecting circuit board.
Further, one end that described metal film is connected with electric pole plate is covered by an OCA optical cement.
Further, a described OCA optical cement is provided with the first projection matched with described first spacing; Described 2nd OCA optical cement is provided with the second projection matched with described second spacing.
Further, electric pole plate covers by a described OCA optical cement; Lower electrode plate covers by described 2nd OCA optical cement.
Further, described first spacing width is the twice of described second spacing width.
Further, the width of described first spacing is 2mm; The width of described second spacing is 1 mm.
Further, described electric pole plate sticks to the upper surface of described glass plate by UV optical cement; Described lower electrode plate sticks to the lower surface of described glass plate by UV optical cement.
The beneficial effects of the utility model are:
1. monolayer capacitive touch screen of the present utility model, employing bilateral structure designs, the upper surface of glass plate is provided with the electric pole plate be set up in parallel by the first spacing, the lower surface of glass plate is provided with the lower electrode plate be set up in parallel by the second spacing, an OCA optical cement is filled in first spacing, the 2nd OCA optical cement is filled in second spacing, electric pole plate does not directly contact with lower electrode plate, but connected by circuit board, ensure that this capacitive touch screen also possesses good performance after a protracted use, more can not affect its antistatic effect because its intraware damages, this capacitive touch screen stable performance, antistatic effect is strong, and structure is simple, cost is low.
2. flexible printed circuit board is provided with the first connecting circuit board, the second connecting circuit board and the 3rd connecting circuit board, ensure that electric pole plate and lower electrode plate are connected with circuit unimpeded, capacitive touch screen will be caused to use because of circuit connectivity problem, this capacitive touch screen conducts electricity very well.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model monolayer capacitive touch screen.
Fig. 2 is the flexible printed circuit board structure schematic diagram in the utility model monolayer capacitive touch screen.
Fig. 3 is the OCA optical cement structural representation in the utility model monolayer capacitive touch screen.
Fig. 4 is the 2nd OCA optical cement structural representation in the utility model monolayer capacitive touch screen.
Embodiment
below in conjunction with accompanying drawing, the utility model is described in detail:
As shown in Figures 1 to 4; a kind of monolayer capacitive touch screen; comprise adopt earth silicon material make polaroid 10, the protective lens 20 being located at polaroid 10 lower surface, be located at the glass plate 30 below protective lens 20 and be located at the flexible printed circuit board 60 of glass plate 30 side; the upper surface of glass plate 30 is provided with the electric pole plate 31 be set up in parallel by the first spacing; the lower surface of glass plate 30 is provided with the lower electrode plate 32 be set up in parallel by the second spacing; fill in OCA optical cement 40, second spacing in first spacing and fill the 2nd OCA optical cement 50.Electric pole plate 31 sticks to the upper surface of glass plate 30 by UV optical cement, also by OCA optical cement, electric pole plate 31 can be sticked to the upper surface of glass plate 30 in addition, also by other processes, electric pole plate 31 can be sticked to the upper surface of glass plate 30; Lower electrode plate 32 sticks to the lower surface of 30 glass plates by UV optical cement, also by OCA optical cement, lower electrode plate 32 can be sticked to the lower surface of glass plate 30 in addition, also by other processes, lower electrode plate 32 can be sticked to the lower surface of glass plate 30.Flexible printed circuit board 60 comprises the first connecting circuit board 61, second connecting circuit 62 plate and the 3rd connecting circuit board 63, first connecting circuit board 61 is connected with electric pole plate 31, second connecting circuit board 62 is connected with lower electrode plate 32, and the 3rd connecting circuit board 63 is connected with circuit.Also comprise metal film 70; metal film 70 is located between glass plate 30 and protective lens 20; one end of metal film 70 is connected with electric pole plate 31, and its other end is connected with the first connecting circuit board 61, and one end that metal film 70 is connected with electric pole plate 31 is covered 40 by an OCA optical cement.
One OCA optical cement 40 is provided with the first projection 41 matched with the first spacing; 2nd OCA optical cement 50 is provided with the second projection 51 matched with the second spacing.Matching here refers to: the first projection 41 and the first spacing have identical length, width and height; Second projection 51 and the second spacing have identical length, width and height.First spacing width is the twice of the second spacing width.Here, the width of the first spacing is 2mm; The width of the second spacing is 1 mm.Electric pole plate 31 covers by the one OCA optical cement 40, and lower electrode plate 32 covers by the 2nd OCA optical cement 50.Here an OCA optical cement 40 and the second optical cement 50, except playing the effect of sealing, insulation, printing opacity, also play the effect of protection the one OCA optical cement 40 and the second optical cement 50 simultaneously.
The foregoing is only preferred implementation of the present utility model; not thereby this scope of the claims of the present utility model is limited; every utilize the utility model instructions and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in this scope of patent protection of the present utility model.
Claims (8)
1. a monolayer capacitive touch screen, it is characterized in that: comprise the polaroid (10) adopting earth silicon material to make, be located at the protective lens (20) of polaroid (10) lower surface, be located at the glass plate (30) of protective lens (20) below, and be located at the flexible printed circuit board (60) of glass plate (30) side, the upper surface of glass plate (30) is provided with the electric pole plate (31) be set up in parallel by the first spacing, the lower surface of glass plate (30) is provided with the lower electrode plate (32) be set up in parallel by the second spacing, an OCA optical cement (40) is filled in first spacing, the 2nd OCA optical cement (50) is filled in second spacing, flexible printed circuit board (60) comprises the first connecting circuit board (61), the second connecting circuit board (62) and the 3rd connecting circuit board (63), first connecting circuit board (61) is connected with electric pole plate (31), second connecting circuit board (62) is connected with lower electrode plate (32), and the 3rd connecting circuit board (63) is connected with circuit.
2. a kind of monolayer capacitive touch screen according to claim 1; it is characterized in that: also comprise metal film (70); metal film (70) is located between described glass plate (30) and described protective lens (20); one end of metal film (70) is connected with described electric pole plate (31), and its other end is connected with described first connecting circuit board (61).
3. a kind of monolayer capacitive touch screen according to claim 2, is characterized in that: one end that described metal film (70) is connected with electric pole plate (31) is covered by an OCA optical cement (40).
4. a kind of monolayer capacitive touch screen according to claim 1, is characterized in that: a described OCA optical cement (40) is provided with the first projection (41) matched with described first spacing; Described 2nd OCA optical cement (50) is provided with the second projection (51) matched with described second spacing.
5. a kind of monolayer capacitive touch screen according to claim 4, is characterized in that: electric pole plate (31) covers by a described OCA optical cement (40); Lower electrode plate (32) covers by described 2nd OCA optical cement (50).
6. a kind of monolayer capacitive touch screen according to claim 1, is characterized in that: described first spacing width is the twice of described second spacing width.
7. a kind of monolayer capacitive touch screen according to claim 6, is characterized in that: the width of described first spacing is 2mm; The width of described second spacing is 1 mm.
8. a kind of monolayer capacitive touch screen according to claim 1, is characterized in that: described electric pole plate (31) sticks to the upper surface of described glass plate (30) by UV optical cement; Described lower electrode plate (32) sticks to the lower surface of described glass plate (30) by UV optical cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420793577.8U CN204331679U (en) | 2014-12-16 | 2014-12-16 | A kind of monolayer capacitive touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420793577.8U CN204331679U (en) | 2014-12-16 | 2014-12-16 | A kind of monolayer capacitive touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204331679U true CN204331679U (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420793577.8U Expired - Fee Related CN204331679U (en) | 2014-12-16 | 2014-12-16 | A kind of monolayer capacitive touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204331679U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106716315A (en) * | 2015-06-24 | 2017-05-24 | 深圳市柔宇科技有限公司 | Flexible packaging cover plate, preparation method therefor, touch display device, and preparation method therefor |
| CN108664084A (en) * | 2017-03-30 | 2018-10-16 | Lg电子株式会社 | Electronic equipment |
-
2014
- 2014-12-16 CN CN201420793577.8U patent/CN204331679U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106716315A (en) * | 2015-06-24 | 2017-05-24 | 深圳市柔宇科技有限公司 | Flexible packaging cover plate, preparation method therefor, touch display device, and preparation method therefor |
| CN108664084A (en) * | 2017-03-30 | 2018-10-16 | Lg电子株式会社 | Electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20201216 |