CN203038254U - A narrow frame touch screen - Google Patents

Abstract

The embodiment of the utility model discloses narrow frame touch-sensitive screen, it is thinner than traditional capacitive touch screen thickness, weight is lighter, and the structure is simpler and the frame is narrower. The utility model discloses a narrow frame touch-sensitive screen includes: the decorative cover plate layer, the conductive coating layer, the insulating ink layer, the conductive adhesive and the conductive circuit layer; the decorative cover plate layer is arranged on the conductive coating and used for supporting the touch screen; the conductive coating is formed by indium tin oxide through laser or yellow light and is arranged below the decorative cover plate layer; the insulating ink layer covers the lower surface of the conductive coating and the upper surface of the conductive adhesive; the conductive adhesive is arranged between the conductive coating and the conductive circuit layer and is used for connecting the conductive film layer and the conductive circuit layer; the conductive circuit layer is connected with the conductive adhesive and used for leading out a circuit from the conductive adhesive to a preset position.

Description

A narrow frame touch screen

technical field

The embodiment of the utility model relates to the technical field of touch screens, in particular to a narrow frame touch screen.

Background technique

The touch screen is a set of transparent absolute positioning system, which is composed of touch detection parts and touch screen controller; The point coordinates are sent to the central processing unit, and at the same time, the commands sent by the central processing unit can be received and executed to realize human-computer interaction. At present, capacitive touch screens have been widely used in electronic products such as mobile phones and tablets.

Traditionally used capacitive touch screens generally use a process of bonding two layers of glass through optical glue, or a process of bonding one layer of glass and one layer of film or multilayer films through optical glue. The touch screen produced by the above production process has the problems of thick thickness, heavy weight, complex structure, various processes, and wide frame.

With the advancement and development of science and technology, users are increasingly demanding lighter and thinner electronic products. However, the production process of traditional capacitive touch screens has greatly restricted the development of electronic products in this area. Therefore, there is an urgent need for a lighter and thinner electronic product. Thinner capacitive touch screen.

Utility model content

The embodiment of the utility model provides a narrow frame touch screen, which is thinner, lighter in weight, simpler in structure and narrower in frame than the traditional capacitive touch screen.

The narrow frame touch screen in this embodiment includes:

Decorative cover layer, conductive plating layer, insulating ink layer, conductive adhesive and conductive circuit layer;

The decorative cover layer is on the conductive plating layer for supporting the touch screen;

The conductive plating layer is formed by indium tin oxide through laser or yellow light, under the decorative cover layer;

The insulating ink layer is covered under the conductive plating layer and above the conductive circuit layer;

The conductive glue is between the conductive plating layer and the conductive circuit layer, and is used to connect the conductive plating layer and the conductive circuit layer;

The conductive circuit layer is connected to the conductive glue, and is used to lead the circuit from the conductive glue to a predetermined position.

Optionally, the material of the decorative cover layer is tempered glass, plexiglass, plastic or composite material.

Optionally, the conductive plating layer and the conductive circuit layer are formed of indium tin oxide after laser or yellow photoetching.

Optionally,

The narrow frame touch screen also includes an ink protective layer;

The ink protection layer is covered on the conductive circuit layer for protecting the conductive circuit layer.

Optionally, the material of the conductive circuit layer includes silver paste, molybdenum aluminum molybdenum, nickel or carbon.

The narrow frame touch screen in the embodiment of the utility model includes: a decorative cover layer, a conductive coating, an insulating ink layer, a conductive glue and a conductive circuit layer; the decorative cover layer is on the conductive coating to support the touch screen; Said is composed of a substrate and a conductive film layer, under the decorative cover layer; the insulating ink layer is covered under the conductive plating layer and above the conductive glue; the conductive glue is placed between the conductive plating layer and the conductive glue Between the conductive circuit layers, it is used to connect the conductive plating layer and the conductive circuit layer; the conductive circuit layer is connected to the conductive glue, and is used to lead the circuit from the conductive glue to a predetermined position. Since the narrow frame touch screen of the utility model has only one substrate coated with a conductive coating, the conductive coating and the conductive circuit layer are formed by laser or yellow light, so that the line width and line distance of the conductive circuit on the edge of the touch screen are small, so the utility model The narrow-frame touch screen provided by the novel embodiment is thinner, lighter in weight, simpler in structure and narrower in frame than traditional capacitive touch screens.

Description of drawings

Fig. 1 is a partial enlarged structural diagram of a narrow frame touch screen in an embodiment of the present invention;

In the above Figure 1:

Decorative cover layer 101, conductive plating layer 102, insulating ink layer 103, conductive glue 104, conductive circuit layer 105 and ink protective layer 106;

Fig. 2 is the wiring connection diagram of the narrow frame touch screen in the embodiment of the present invention;

In Figure 2 above:

Figure 1 enlarges the position 201, the flexible circuit board 202, and the driving part 203.

Detailed ways

The embodiment of the utility model provides a narrow frame touch screen, which is thinner, lighter in weight, simpler in structure and narrower in frame than the traditional capacitive touch screen.

Below in conjunction with the accompanying drawings in the utility model embodiment, the technical solution in the utility model embodiment is described clearly and in detail, obviously, the described embodiment is only a part of the utility model embodiment, rather than all embodiments . Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model. Please refer to Fig. 1, the narrow frame touch screen in the embodiment of the utility model includes:

Decorative cover layer 101, conductive plating layer 102, insulating ink layer 103, conductive glue 104 and conductive circuit layer 105;

The decorative cover layer 101 is on the conductive plating layer 102 for supporting the touch screen;

The conductive plating layer 102 is formed by indium tin oxide through laser or yellow light, under the decorative cover layer 101;

The insulating ink layer 103 is covered under the conductive plating layer 102 and above the conductive circuit layer 105;

The conductive glue 104 is between the conductive plating layer 102 and the conductive circuit layer 105, and is used to connect the conductive plating layer and the conductive circuit layer 105;

The conductive circuit layer 105 is connected to the conductive glue 104 and is used to lead the circuit from the conductive glue 104 to a predetermined position.

The narrow frame touch screen in this embodiment may further include: an ink protection layer 106;

The ink protection layer 106 covers the conductive circuit layer and is used to protect the conductive circuit layer.

Optionally, the decorative cover layer 104 is made of tempered glass, plexiglass, plastic or composite material.

Optionally, the conductive plating layer 102 and the conductive circuit layer 105 are formed of indium tin oxide after laser or yellow photoetching.

Optionally, the material of the conductive circuit layer 105 includes silver paste, molybdenum aluminum molybdenum, nickel or carbon.

For ease of understanding, the narrow frame touch screen in the utility model is described in detail in combination with the accompanying drawings in the embodiment of the utility model:

Please refer to Fig. 1, the uppermost part of the narrow frame touch screen in the embodiment of the present invention is a decorative cover layer 101, the material of the above-mentioned decorative cover layer 101 can be toughened glass, plexiglass, plastic or composite material, etc., specifically can be Tempered glass plays the role of supporting the entire product structure; under the decorative cover layer is a conductive coating 102, the above-mentioned conductive coating 102 is a pattern formed by indium tin oxide through laser or yellow light, etc., on the decorative cover Below the layer 101 is the embodiment of the touch screen function. The specific pattern can be designed according to the functional requirements of the touch screen. The conductive coating 102 can be produced by the following method: first, indium tin oxide is plated on the substrate by evaporation or vacuum plating. Then use yellow light or laser etching process to etch out the preset pattern, and finally complete the conductive coating 102; the functional pattern on the conductive coating 102 is connected with the conductive circuit layer 105 through the conductive glue 104, the above-mentioned conductive glue 104 Play the role of leading the functional circuit of the conductive film layer to the conductive circuit 105; the conductive coating 102 and the conductive glue 104 are covered with an insulating ink layer 103, which can prevent the functional circuit on the conductive coating 102 and the conductive circuit layer 105 from short circuiting; The material of the above-mentioned conductive circuit layer 105 can be silver paste, molybdenum aluminum molybdenum, nickel or carbon, etc., formed by laser or yellow light, etc., to play the role of leading the circuit from the conductive adhesive 104 to a fixed position; in the conductive circuit layer 105 may be covered with an ink protection layer 106 to prevent the conductive circuit layer 105 from directly contacting air, thereby preventing the conductive circuit layer 105 from being oxidized and corroded.

The structural composition of the narrow frame touch screen in the embodiment of the utility model has been introduced in detail above, and the connection relationship between the narrow frame touch screen and the touch screen driver chip in the embodiment of the utility model will be briefly introduced below in conjunction with Figure 2, please refer to Figure 2:

In the narrow frame touch screen in the embodiment of the utility model, the functional circuit on the conductive plating layer 102 is first connected through the conductive glue 104 and the conductive circuit layer 105, and then the conductive circuit layer 105 is connected to the driving part 203 of the touch screen through the flexible circuit board 202. Finally, the connection between the narrow frame touch screen and the touch screen driver chip is completed.

The narrow frame touch screen in the embodiment of the utility model includes: a decorative cover layer 101, a conductive coating 102, an insulating ink layer 103, a conductive glue 104 and a conductive circuit layer 105; the decorative cover layer 101 is on the conductive coating 102, Used to support the touch screen; the conductive plating layer is formed by indium tin oxide through laser or yellow light, under the decorative cover layer; the insulating ink layer 103 is covered under the conductive plating layer 102 and the conductive circuit layer 105 above; the conductive glue 104 is between the conductive plating layer 102 and the conductive circuit layer 105, for connecting the conductive film layer and the conductive circuit layer; the conductive circuit layer 105 and the conductive circuit layer 104 for leading out the lines from the conductive glue 104 to a predetermined position. Since the narrow frame touch screen of the utility model has only one substrate coated with a conductive coating, the conductive coating and the conductive circuit layer are formed by laser or yellow light, so that the line width and line distance of the conductive circuit on the edge of the touch screen are small, so the utility model The narrow-frame touch screen provided by the novel embodiment is thinner, lighter in weight, simpler in structure and narrower in frame than traditional capacitive touch screens.

The narrow frame touch screen provided by the utility model has been introduced in detail above. For those of ordinary skill in the art, according to the idea of the utility model embodiment, there will be changes in the specific implementation and application range. As mentioned above, the contents of this specification should not be construed as limiting the present utility model.

Claims (5)

1. A narrow frame touch screen, comprising: Decorative cover layer, conductive plating layer, insulating ink layer, conductive adhesive and conductive circuit layer; The decorative cover layer is on the conductive plating layer for supporting the touch screen; The conductive plating layer is formed by indium tin oxide through laser or yellow light, under the decorative cover layer; The insulating ink layer is covered under the conductive plating layer and above the conductive circuit layer; The conductive glue is between the conductive plating layer and the conductive circuit layer, and is used to connect the conductive plating layer and the conductive circuit layer; The conductive circuit layer is connected to the conductive glue, and is used to lead the circuit from the conductive glue to a predetermined position. 2. The narrow border touch screen according to claim 1, characterized in that, The material of the decorative cover layer is toughened glass, plexiglass, plastic or composite material. 3 . The narrow-frame touch screen according to claim 1 , wherein the conductive plating layer and the conductive circuit layer are formed of indium tin oxide after laser or yellow photoetching. 4 . 4. The narrow border touch screen according to claim 1, characterized in that, The narrow frame touch screen also includes an ink protective layer; The ink protection layer is covered on the conductive circuit layer for protecting the conductive circuit layer. 5 . The narrow frame touch screen according to claim 1 , wherein the material of the conductive circuit layer comprises silver paste, molybdenum aluminum molybdenum, nickel or carbon.

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