CN219476090U - Narrow-frame large-size touch screen structure - Google Patents

Abstract

The utility model discloses a narrow-frame large-size touch screen structure which comprises a first touch chip layer and a second touch chip layer, wherein a first capacitance channel is arranged on the side wall of the first touch chip layer, a transmitting electrode pin is arranged at the end part of the first capacitance channel, a second capacitance channel is arranged on the side wall of the second touch chip layer, a receiving electrode pin is arranged at the end part of the second capacitance channel, the first touch chip layer and the second touch chip layer are bonded together through a first OCA optical adhesive layer, a first PET protective film layer is arranged above the first touch chip layer, a glass cover plate is arranged above the first PET protective film layer, the first PET protective film layer and the glass cover plate are bonded together through the second OCA optical adhesive layer, and a second PET protective film layer is arranged below the second touch chip layer; the utility model has the advantages that: the problem that the bonding degree between each layer is reduced easily due to the bending force of a capacitive channel of the large-size touch screen in the process of folding the capacitive channel to the back to realize a narrow frame is solved.

Description

Narrow-frame large-size touch screen structure

Technical Field

The utility model relates to the technical field of touch screens, in particular to a narrow-frame large-size touch screen structure.

Background

The touch screen is an induction type device capable of receiving input signals such as touch, when the touch screen is contacted with a graphic button, the touch feedback system on the touch screen can drive various connecting devices according to a preprogrammed program, the touch screen can be used for replacing a mechanical button panel, vivid video and audio effects are produced by virtue of a liquid crystal display picture, the touch screen endows a brand new appearance of information interaction, and the touch screen is very attractive brand new information interaction equipment.

At present, in order to bring better experience to customers, the size of the touch screen is bigger, the narrow frame is also in great attention, the comparison document CN202121311174.1 discloses a large-size touch screen with an ultra-narrow frame, the design concept of the narrow frame belongs to a mode of abandoning traditional side wall wiring, a capacitor channel and a circuit are folded to be hidden at the back, the further narrow frame design is achieved, but in the long-term use process of the conventional narrow frame touch screen, the bending force of the capacitor channel easily causes the adhesiveness between layers to be reduced, so that later touch is not effective, and in order to optimize the touch screen, a practitioner designs a narrow frame large-size touch screen structure.

Disclosure of Invention

Aiming at the problems, the utility model provides a narrow-frame large-size touch screen structure, which solves the problems that the bonding degree between layers is easy to be reduced due to the bending force of a capacitive channel in the process of folding the capacitive channel to the back to realize the narrow frame of the large-size touch screen.

The utility model adopts the following technical scheme:

the utility model provides a narrow frame jumbo size touch screen structure, includes first touch chip layer and second touch chip layer, be provided with first electric capacity passageway on the first touch chip layer lateral wall, first electric capacity passageway tip is provided with the transmitting electrode pin, be provided with the second electric capacity passageway on the second touch chip layer lateral wall, second electric capacity passageway tip is provided with the receiving electrode pin, first touch chip layer with bond mutually through first OCA optics glue film between the second touch chip layer, first touch chip layer top is provided with first PET protection film layer, first PET protection film layer top is provided with the glass cover piece, first PET protection film layer with the glass cover piece bonds mutually through second OCA optics glue film, second touch chip layer below is provided with the second PET protection film layer.

Further, the thickness of the first capacitance channel is smaller than that of the first touch chip layer, and the thickness of the second capacitance channel is smaller than that of the second touch chip layer, so that the first capacitance channel and the second capacitance channel are prevented from being in contact with other layers, and certain interference is caused.

Further, the junction of the first capacitive channel and the first touch chip layer and the junction of the second capacitive channel and the second touch chip layer are respectively provided with waterproof glue, so that the possibility of opening and closing the junction caused by bending of the first capacitive channel and the second capacitive channel is reduced, and meanwhile, the waterproof effect of the junction is enhanced.

Further, the first touch chip layer, the second touch chip layer, the first PET protective film layer and the side wall of the glass cover plate are provided with a layer of ink, and glue overflows from the first OCA optical glue layer and the second OCA optical glue layer.

Further, the specification of the glass cover plate is larger than that of the first PET protective film layer, and the overall attractive appearance of the front face of the touch screen is guaranteed.

The utility model has the advantages that: the first PET protective film layer and the second PET protective film layer are added, so that the adhesive force of the PET protective film layers after being attached is small in change, and the matching effect among the layers can be effectively improved; the capacitive channel is smaller than the design of the height of the touch chip layer, and the bending force brought by the capacitive channel is reduced by reducing the angle of the capacitive channel after bending, so that the possibility of opening and closing of each layer is avoided.

Drawings

FIG. 1 is a schematic illustration of the present utility model;

fig. 2 is a schematic diagram of a sidewall structure according to the present utility model.

In the figure, a 1-first touch chip layer, a 2-second touch chip layer, a 3-first capacitance channel, a 4-transmitting electrode pin, a 5-second capacitance channel, a 6-receiving electrode pin, a 7-first OCA optical adhesive layer, an 8-first PET protective film layer, a 9-glass cover plate, a 10-second OCA optical adhesive layer and an 11-second PET protective film layer.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-2, a narrow-frame large-size touch screen structure comprises a first touch chip layer 1 and a second touch chip layer 2, wherein a first capacitance channel 3 is arranged on the side wall of the first touch chip layer 1, a transmitting electrode pin 4 is arranged at the end part of the first capacitance channel 3, a second capacitance channel 5 is arranged on the side wall of the second touch chip layer 2, a receiving electrode pin 6 is arranged at the end part of the second capacitance channel 5, the first touch chip layer 1 and the second touch chip layer 2 are bonded together through a first OCA optical adhesive layer 7, a first PET protection film layer 8 is arranged above the first touch chip layer 1, a glass cover plate 9 is arranged above the first PET protection film layer 8 and the glass cover plate 9 are bonded through a second OCA optical adhesive layer 10, and a second PET protection film layer 11 is arranged below the second touch chip layer 2.

The thickness of the first capacitance channel 3 is smaller than that of the first touch chip layer 1, and the thickness of the second capacitance channel 5 is smaller than that of the second touch chip layer 2, so that the first capacitance channel 3 and the second capacitance channel 5 are prevented from being in contact with other layers, and certain interference is caused; the waterproof glue is arranged at the junction of the first capacitance channel 3 and the first touch chip layer 1 and at the junction of the second capacitance channel 5 and the second touch chip layer 2, so that the possibility of opening and closing the junction caused by bending of the first capacitance channel 3 and the second capacitance channel 5 is reduced, and the waterproof effect of the junction is enhanced; the side walls of the first touch chip layer 1, the second touch chip layer 2, the first PET protective film layer 8 and the glass cover plate 9 are provided with a layer of ink, and glue overflows from the first OCA optical glue layer 7 and the second OCA optical glue layer 10 is covered; the specification of the glass cover plate 9 is larger than the specification of the first PET protective film layer 8, so that the overall aesthetic degree of the front face of the touch screen is ensured.

Working principle: through reducing the height of first electric capacity passageway 3 and second electric capacity passageway 5, reduce the angle of both after bending to the back, the possibility that the junction opened and shut is reduced to priority, then through the joining of first PET protection rete 8 and second PET protection rete 11, through the little characteristic of adhesion change after PET protection rete its is attached, strengthen the matching degree between each layer, further impose the possibility that opens and shuts under certain pulling force.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (5)

1. A narrow frame jumbo size touch-sensitive screen structure, its characterized in that: including first touch chip layer (1) and second touch chip layer (2), be provided with first electric capacity passageway (3) on first touch chip layer (1) lateral wall, first electric capacity passageway (3) tip is provided with transmission electrode pin (4), be provided with second electric capacity passageway (5) on second touch chip layer (2) lateral wall, second electric capacity passageway (5) tip is provided with receives electrode pin (6), first touch chip layer (1) with bond mutually through first OCA optical glue film (7) between second touch chip layer (2), first touch chip layer (1) top is provided with first PET protection film layer (8), first PET protection film layer (8) with glass cover plate (9) bond mutually through second OCA optical glue film (10), second touch chip layer (2) below is provided with second protection film layer (11).

2. The narrow bezel large-scale touch screen structure of claim 1, wherein: the thickness of the first capacitance channel (3) is smaller than that of the first touch chip layer (1), and the thickness of the second capacitance channel (5) is smaller than that of the second touch chip layer (2).

3. The narrow bezel large-scale touch screen structure of claim 2, wherein: waterproof glue is arranged at the joint of the first capacitance channel (3) and the first touch chip layer (1) and the joint of the second capacitance channel (5) and the second touch chip layer (2).

4. The narrow bezel large-scale touch screen structure of claim 1, wherein: the first touch chip layer (1), the second touch chip layer (2), the first PET protective film layer (8) and the side wall of the glass cover plate (9) are provided with a layer of ink.

5. The narrow bezel large-scale touch screen structure of claim 1, wherein: the specification of the glass cover plate (9) is larger than that of the first PET protective film layer (8).