CN210666739U

CN210666739U - Capacitive touch screen

Info

Publication number: CN210666739U
Application number: CN201922098695.2U
Authority: CN
Inventors: 朱晔
Original assignee: Fujian Huiyunlian Technology Co Ltd
Current assignee: Fujian Huiyunlian Technology Co Ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-06-02
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a capacitive touch screen, including frame, drive plate, sensing layer and glass substrate, the glass substrate is installed to the frame inner chamber, the sensing layer is installed at glass substrate top, the fixed drive plate that is equipped with in sensing layer top, the utility model relates to a touch screen technical field. This capacitive touch screen has solved the direct border department of following between the lower floor of current touch screen and sealed poor next to the installation like this, top layer or bottom get into water and can the interpenetration influence, and border department collides with damage and the waterproof poor problem of top layer easily, the inner chamber wall adhesion of frame has the parting bead of four groups, just in time the parting bead is located the inner chamber of scarce groove, just so make its protective glass, the bond line, the drive plate, the border between sensing layer and the glass substrate is adjacent separates through the parting bead, make border department between its every layer more firm like this, and it is favorable to waterproofly to keep apart border department, improve the leakproofness between every layer, avoid mutual interference.

Description

Capacitive touch screen

Technical Field

The utility model relates to a touch-sensitive screen technical field specifically is a capacitive touch screen.

Background

The capacitive touch screen technology works by using current induction of a human body. The capacitive touch screen is a four-layer composite glass screen, the inner surface and the interlayer of the glass screen are respectively coated with one layer of ITO, the outermost layer is a thin-layer silica glass protective layer, the interlayer ITO coating serves as a working surface, four electrodes are led out from four corners, and the inner layer of ITO serves as a shielding layer to guarantee a good working environment.

But the border is directly close to such border department of installation poor sealed about current touch-sensitive screen between the lower floor, and top layer or bottom get into water and can the interpenetration influence, and border department damages and top layer is waterproof poor easily in addition.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a capacitive touch screen has solved between the lower floor of current touch-sensitive screen border directly and has been close to the sealed poor of such border department of installation, and top layer or bottom get into water and can the infiltration influence each other, and border department collides with damage and the waterproof poor problem of top layer easily moreover.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a capacitive touch screen, includes frame, drive plate, sensing layer and glass substrate, glass substrate is installed to the frame inner chamber, the sensing layer is installed at glass substrate top, the fixed drive plate that is equipped with in sensing layer top, bonding layer fixedly connected with cover glass is passed through at the drive plate top, cover glass bottom border and glass substrate top border and bonding layer, drive plate and sensing layer top and bottom border have all seted up the scarce groove, the parting bead is installed to frame inner chamber wall, and the parting bead is located the scarce groove inner chamber, cover glass top adhesion has the protecting film, the seal groove has been seted up to four sides in protecting film top, frame top fixedly connected with sealing strip, and the sealing strip is located the seal groove inner chamber.

Preferably, the bottom of the outer frame is fixedly connected with a bottom plate.

Preferably, the top surface of the bottom plate is fixedly connected with a heat dissipation fin, and the heat dissipation fin is positioned at the bottom of the glass substrate.

Preferably, a hard core is embedded in the inner side of the division bar, and a rubber layer is fixedly connected to the outer side of the hard core.

Preferably, the sealing strip is made of silica gel.

Advantageous effects

The utility model provides a capacitive touch screen. The method has the following beneficial effects:

1. the capacitive touch screen is characterized in that four groups of partition bars are adhered to the inner cavity wall of the outer frame, the bottom edge of the protective glass, the top edge of the glass substrate, the bonding layer, the top and the bottom edges of the drive board and the sensing layer are provided with notches, and the partition bars are positioned in the notches, so that the protective glass, the bonding layer, the drive board, the sensing layer and the edges between adjacent glass substrates are separated by the partition bars, the edges between every two layers are more stable, the isolation edges are favorable for water prevention, the sealing performance between every two layers is improved, mutual interference is avoided, hard cores are adopted in the partition bars, soft rubber layers are adopted outside, the hardness is guaranteed, the outside protects the edges between every two layers, and the sealing performance is better; the top of the protective glass is provided with a protective film, the top of the protective film is provided with a sealing groove, the top of the outer frame is provided with a sealing strip, the sealing strip is just located in an inner cavity of the sealing groove, and therefore the top layer and the outer frame are just sealed, the waterproof and dustproof effect of the top layer is improved, the surface of the bottom plate is provided with radiating fins, the radiating fins are located at the bottom of the glass substrate, and the radiating fins improve the radiating effect.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a schematic view of the structure of the parting strip of the present invention.

In the figure: 1. an outer frame; 2. protective glass; 3. an adhesive layer; 4. a drive plate; 5. a sensing layer; 6. a glass substrate; 7. a sealing groove; 8. a sealing strip; 9. a parting strip; 10. notching; 11. a base plate; 12. heat dissipation fins; 13. a protective film; 14. a hard core; 15. a rubber layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a capacitive touch screen, comprising: a capacitive touch screen comprises an outer frame 1, a driving plate 4, a sensing layer 5 and a glass substrate 6, wherein the glass substrate 6 is arranged in an inner cavity of the outer frame 1, the sensing layer 5 is arranged at the top of the glass substrate 6, the driving plate 4 is fixedly arranged at the top of the sensing layer 5, the top of the driving plate 4 is fixedly connected with a protective glass 2 through a bonding layer 3, the bottom edge of the protective glass 2, the top edge of the glass substrate 6, the bonding layer 3, the top and the bottom edge of the driving plate 4 and the sensing layer 5 are respectively provided with a notch 10, a partition strip 9 is arranged on the inner cavity wall of the outer frame 1 and is positioned in the inner cavity of the notch 10, the top of the protective glass 2 is adhered with a protective film 13, four sides of the top of the protective film 13 are provided with a sealing groove 7, the top of the outer frame 1 is fixedly connected with, the heat dissipation fins 12 are positioned at the bottom of the glass substrate 6, the hard cores 14 are embedded at the inner sides of the partition strips 9, the rubber layers 15 are fixedly connected at the outer sides of the hard cores 14, the sealing strips 8 are made of silica gel, four groups of partition strips 9 are adhered to the inner cavity wall of the outer frame 1, notches 10 are respectively formed in the bottom edge of the protective glass 2, the top edge of the glass substrate 6, the top edge of the bonding layer 3, the driving plate 4 and the bottom edge of the sensing layer 5, and the partition strips 9 are just positioned in the inner cavity of the notches 10, so that the protective glass 2, the bonding layer 3, the driving plate 4, the sensing layer 5 and the adjacent edges of the glass substrate 6 are separated through the partition strips 9, the edges among all the layers are more stable, the partition edges are favorable for water prevention, the sealing performance among all the layers is improved, mutual interference is avoided, the hard cores 14 are adopted in the partition, the soft rubber layer 15 is adopted outside, so that the hardness is ensured, the edges of each layer are protected by the outside, and the sealing performance is better; be equipped with protective film 13 at protective glass 2's top, seal groove 7 has been seted up at protective film 13's top, and be equipped with sealing strip 8 at frame 1's top, and sealing strip 8 just in time is located the inner chamber of seal groove 7, just in time seals between topmost layer and frame 1 like this, improves the waterproof dustproof effect on top layer, and the surface of bottom plate 11 is equipped with heat dissipation wing 12, and heat dissipation wing 12 is located the bottom of glass substrate 6, and heat dissipation wing 12 improves the radiating effect.

When the device works, four groups of spacing strips 9 are adhered to the wall of the inner cavity of the outer frame 1, the bottom edge of the protective glass 2, the top edge of the glass substrate 6, the bonding layer 3, the top edge of the driving plate 4 and the bottom edge of the sensing layer 5 are respectively provided with a notch 10, and the spacing strips 9 are just positioned in the inner cavity of the notch 10, so that the adjacent edges of the protective glass 2, the bonding layer 3, the driving plate 4, the sensing layer 5 and the glass substrate 6 are separated by the spacing strips 9, the edges between the layers are more stable, the isolation edges are favorable for water prevention, the sealing performance between the layers is improved, mutual interference is avoided, the hard core 14 is adopted in the spacing strips 9, the soft rubber layer 15 is adopted outside, the hardness is ensured, meanwhile, the outside of the device protects the edges of the layers, and the sealing performance is better; be equipped with protective film 13 at protective glass 2's top, seal groove 7 has been seted up at protective film 13's top, and be equipped with sealing strip 8 at frame 1's top, and sealing strip 8 just in time is located the inner chamber of seal groove 7, just in time seals between topmost layer and frame 1 like this, improves the waterproof dustproof effect on top layer, and the surface of bottom plate 11 is equipped with heat dissipation wing 12, and heat dissipation wing 12 is located the bottom of glass substrate 6, and heat dissipation wing 12 improves the radiating effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a capacitive touch screen, includes frame (1), drive plate (4), sensing layer (5) and glass substrate (6), glass substrate (6) are installed to frame (1) inner chamber, sensing layer (5) are installed at glass substrate (6) top, fixed drive plate (4), its characterized in that being equipped with in sensing layer (5) top: drive plate (4) top is through bondinglayer (3) fixedly connected with cover glass (2), scarce groove (10) have all been seted up at cover glass (2) bottom border and glass substrate (6) top border and bondinglayer (3), drive plate (4) and sensing layer (5) top and bottom border, parting bead (9) are installed to frame (1) inner chamber wall, and parting bead (9) are located scarce groove (10) inner chamber, cover glass (2) top adhesion has protecting film (13), sealing groove (7) have been seted up to four sides in protecting film (13) top, frame (1) top fixedly connected with sealing strip (8), and sealing strip (8) are located sealing groove (7) inner chamber.

2. A capacitive touch screen according to claim 1, wherein: the bottom of the outer frame (1) is fixedly connected with a bottom plate (11).

3. A capacitive touch screen according to claim 2, wherein: the surface of the top of the bottom plate (11) is fixedly connected with a heat dissipation fin (12), and the heat dissipation fin (12) is positioned at the bottom of the glass substrate (6).

4. A capacitive touch screen according to claim 1, wherein: a hard core (14) is embedded in the inner side of the division bar (9), and a rubber layer (15) is fixedly connected to the outer side of the hard core (14).

5. A capacitive touch screen according to claim 1, wherein: the sealing strip (8) is made of silica gel.