CN215494964U

CN215494964U - Ultrathin touch screen

Info

Publication number: CN215494964U
Application number: CN202121487477.9U
Authority: CN
Inventors: 刘泽江
Original assignee: UC Nano Technologies Inc
Current assignee: UC Nano Technologies Inc
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-01-11
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses an ultrathin touch screen which comprises a transparent glass panel, wherein a plurality of pits and salient points which are distributed at intervals are formed on the surface of one side of the transparent glass panel through etching, so that a rough surface with a concave-convex structure is formed, a thermosetting adhesive layer is coated on the surface of the other side of the transparent glass panel, a metal grid layer used for sensing touch operation is laid on the thermosetting adhesive layer, a substrate film is connected with the metal grid layer in an adhesive mode through a light curing adhesive layer arranged on one side surface of the substrate film, and the thickness of the thermosetting adhesive layer is larger than that of the light curing adhesive layer. The utility model can ensure the continuity of the metal wire laying and the stability of the combination with the adhesive layer, and ensure the sensitivity and the stability of touch control in the long-time use process.

Description

Ultrathin touch screen

Technical Field

The utility model relates to the technical field of touch control, in particular to an ultrathin touch screen.

Background

Touch Panel (Touch Panel), also known as Touch screen or Touch Panel, is an inductive liquid crystal display device capable of receiving input signals such as Touch, when touching graphic buttons on the screen, the Touch feedback system on the screen can drive various connecting devices according to pre-programmed programs, and can replace mechanical button panels and produce vivid video and audio effects by means of liquid crystal display pictures. As an intelligent human-computer interaction interface product, touch screens have been widely used in production and life.

In the Metal Mesh capacitive touch technology (Metal Mesh), a Mesh with a regular shape is formed by conductive metals such as copper, and a signal transmission function is realized by sensing touch, however, in the prior art, a touch screen adopting the Metal Mesh has a low processing yield and a large overall thickness.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide the ultrathin touch screen which can ensure the continuity of metal wire laying and the stability of bonding with an adhesive layer and ensure the sensitivity and the stability of touch control in a long-time use process.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides an ultra-thin touch-sensitive screen, includes transparent glass panel, the sunken and bump that form a plurality of interval distribution through the sculpture on the surface of transparent glass panel one side to form the rough surface that has concave-convex structure, the coating has a thermosetting glue film on the surface of transparent glass panel opposite side, and this thermosetting glue film upper berth is equipped with the metal grid layer that is used for responding to the touch operation, and a substrate membrane is through setting up photocuring glue film and the bonding connection of metal grid layer on one of them side surface, the thickness of thermosetting glue film is greater than the thickness of photocuring glue film.

The technical scheme of further improvement in the technical scheme is as follows:

1. in the above scheme, the metal grid layer includes a plurality of vertical metal wires of edge X direction interval arrangement and a plurality of horizontal metal wires of edge Y direction interval arrangement, vertical metal wire is located the heat-cure glue in situ, horizontal metal wire is located one side that vertical metal wire is the same as back of the body substrate membrane and is located the heat-cure glue in situ.

2. In the above scheme, the respective circumferential surfaces of the vertical metal wire and the transverse metal wire are coated with insulating layers.

3. In the above scheme, the vertical metal wire and/or the horizontal metal wire are formed by connecting the arc-shaped convex parts and the arc-shaped concave parts which are arranged in a staggered manner from head to tail.

4. In the above scheme, the thermosetting adhesive layer is an acrylic adhesive layer, an organic silica gel layer or a polyurethane adhesive layer.

5. In the above scheme, the light-cured adhesive layer is a UV-cured adhesive layer.

6. In the scheme, the surface of the substrate film, which is far away from the metal grid layer, is provided with the transparent hardening coating of acrylate group.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages and effects:

according to the ultrathin touch screen, the product yield is improved, the processing technology is simplified, the whole thickness of the screen is greatly reduced, the display definition is improved, the continuity of metal wire laying and the stability of bonding with an adhesive layer can be ensured, and the sensitivity and the stability of touch control in the long-time use process are ensured; further, its metal mesh layer includes a plurality of vertical metal wires of edge X direction interval arrangement and a plurality of horizontal metal wires of edge Y direction interval arrangement, vertical metal wire is located the thermosetting glue in situ, horizontal metal wire is located one side that vertical metal wire is the back of the body substrate membrane and is located the thermosetting glue in situ, vertical metal wire and, or horizontal metal wire is formed by crisscross arc bellying and the connection of arc depressed part head and the tail of arranging, has further improved the demonstration definition of screen.

Drawings

FIG. 1 is a schematic structural diagram of an ultrathin touch screen according to the present invention;

FIG. 2 is a partial structural cross-sectional view of a metal mesh layer in the ultra-thin touch screen of the present invention;

fig. 3 is a schematic view of a partial structure of a metal wire in the ultra-thin touch screen according to the present invention.

In the above drawings: 1. a transparent glass panel; 2. thermally curing the adhesive layer; 3. a metal mesh layer; 31. a vertical metal wire; 32. a transverse metal line; 33. an insulating layer; 34. an arc-shaped convex part; 35. an arc-shaped recess; 33. an insulating layer; 4. a substrate film; 5. a photo-curing adhesive layer; 6. a transparent hardened coating.

Detailed Description

The utility model is further described below with reference to the following examples:

in the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.

Example 1: the utility model provides an ultra-thin touch-sensitive screen, includes transparent glass panel 1, form a plurality of interval distribution's sunken and bump through the sculpture on the surface of transparent glass panel 1 one side to form the rough surface that has concave-convex structure, the coating has a thermosetting glue film 2 on the surface of transparent glass panel 1 opposite side, and this thermosetting glue film 2 upper berth is equipped with the metal mesh layer 3 that is used for responding to the touch operation, and a substrate membrane 4 is through setting up light curing glue film 5 and the 3 adhesive connection of metal mesh layer on one of them side surface, the thickness of thermosetting glue film 2 is greater than the thickness of light curing glue film 5.

The metal grid layer 3 comprises a plurality of vertical metal lines 31 arranged at intervals along the X direction and a plurality of transverse metal lines 32 arranged at intervals along the Y direction, the vertical metal lines 31 are positioned in the thermosetting adhesive layer 5, and the transverse metal lines 32 are positioned on one side of the vertical metal lines 31 opposite to the main base material film 2 and positioned in the thermosetting adhesive layer 2;

the circumferential surfaces of the vertical metal wires 31 and the transverse metal wires 32 are respectively coated with an insulating layer 33; the thermosetting adhesive layer 2 is an organic silicon adhesive layer; the light-curing glue layer 5 is a UV curing glue layer.

Example 2: the utility model provides an ultra-thin touch-sensitive screen, includes transparent glass panel 1, form a plurality of interval distribution's sunken and bump through the sculpture on the surface of transparent glass panel 1 one side to form the rough surface that has concave-convex structure, the coating has a thermosetting glue film 2 on the surface of transparent glass panel 1 opposite side, and this thermosetting glue film 2 upper berth is equipped with the metal mesh layer 3 that is used for responding to the touch operation, and a substrate membrane 4 is through setting up light curing glue film 5 and the 3 adhesive connection of metal mesh layer on one of them side surface, the thickness of thermosetting glue film 2 is greater than the thickness of light curing glue film 5.

the circumferential surfaces of the vertical metal wires 31 and the transverse metal wires 32 are respectively coated with an insulating layer 33; the vertical metal wire 31 and the horizontal metal wire 32 are formed by connecting the arc-shaped convex parts 34 and the arc-shaped concave parts 35 which are arranged in a staggered mode end to end;

the thermosetting adhesive layer 2 is an acrylic adhesive layer; the surface of the substrate film 4 far away from the metal mesh layer 3 is provided with an acrylate-based transparent hardening coating 6.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. An ultra-thin touch screen, includes transparent glass panel (1), its characterized in that: the utility model discloses a transparent glass panel, including transparent glass panel (1), transparent glass panel (1) one side, the surperficial sunken and bump that forms a plurality of interval distribution through the sculpture on the surface to form the rough surface that has concave-convex structure, the coating has a thermosetting glue film (2) on the surface of transparent glass panel (1) opposite side, and this thermosetting glue film (2) upper berth is equipped with metal grid layer (3) that are used for responding to the touch operation, and a substrate membrane (4) are through setting up photocuring glue film (5) and metal grid layer (3) adhesive bonding connection on one of them side surface, the thickness of thermosetting glue film (2) is greater than the thickness of photocuring glue film (5).

2. The ultra-thin touch screen of claim 1, wherein: the metal mesh layer (3) comprises a plurality of vertical metal wires (31) arranged at intervals along the X direction and a plurality of transverse metal wires (32) arranged at intervals along the Y direction, the vertical metal wires (31) are positioned in the thermosetting adhesive layer (2), and the transverse metal wires (32) are positioned on one side of the vertical metal wires (31) opposite to the base material film (4) and positioned in the thermosetting adhesive layer (2).

3. The ultra-thin touch screen of claim 2, wherein: the circumferential surfaces of the vertical metal wires (31) and the transverse metal wires (32) are coated with insulating layers (33).

4. The ultra-thin touch screen of claim 2 or 3, wherein: the vertical metal wire (31) and/or the horizontal metal wire (32) are formed by connecting arc-shaped convex parts (34) and arc-shaped concave parts (35) which are arranged in a staggered mode end to end.

5. The ultra-thin touch screen of claim 1, wherein: the thermosetting adhesive layer (2) is an acrylic adhesive layer, an organic silica gel layer or a polyurethane adhesive layer.

6. The ultra-thin touch screen of claim 1, wherein: the light-cured adhesive layer (5) is a UV-cured adhesive layer.

7. The ultra-thin touch screen of claim 1, wherein: the surface of the substrate film (4) far away from the metal grid layer (3) is provided with an acrylate-based transparent hardening coating (6).