CN220252551U - Key touch screen with self-diffusion ink - Google Patents

Abstract

The utility model discloses a key touch screen with self-diffusion ink, and relates to the field of touch screens, comprising a touch screen, wherein a key area is arranged on the touch screen, and a diffusion ink layer is arranged on the surface of the touch screen, which is positioned in the key area; according to the utility model, the diffusion ink layer is arranged in the key area of the touch screen, the diffusion ink is utilized to uniformly backlight the keys, so that the local display of the keys is realized, the key backlight structure can be made thinner, the structure is more suitable for the limited space structure of the whole machine, the design of other structures of the key matching surface is convenient, the backlight display can be continuously carried out, and the display function of the key touch screen is ensured; the key backlight structure is simplified without attaching a diffusion film, the thickness of the key backlight structure is reduced, the key backlight structure is convenient to assemble, the assembly efficiency is improved, the production efficiency is improved, and only the diffusion ink layer is required to be arranged in the key area, so that the material waste is reduced, the production cost is reduced, the economic efficiency is higher, and the product competitiveness is further improved.

Description

Key touch screen with self-diffusion ink

Technical Field

The utility model relates to the technical field of touch screen display, in particular to a key touch screen with self-diffusion ink.

Background

Many of the conventional touch screens have display keys, a backlight is arranged below the keys, and in order to make the light transmission of the key display uniform, a key diffusion film is usually added between the keys and the backlight to uniformly backlight the keys. As shown in fig. 1, the conventional key touch screen structure with a diffusion film comprises a touch screen 10, a double-sided adhesive 20 and a diffusion film 30 which are sequentially overlapped, wherein the total thickness of the diffusion film 10 and the double-sided adhesive 20 is between 0.15 and 0.3mm, the thickness of the touch screen 20 is increased, and in order to completely cover a key area and retain an adhesive area, the periphery of the diffusion film is generally larger than the outline of the key area, so that the structure in the XYZ direction is extended, and other structural designs matched with the key surface are influenced; a key backlight apparatus and a touch screen are disclosed in patent application No. 201520204242.2, which includes: a light-storing self-luminous light-emitting film and a first bonding layer; the light-emitting film comprises a first surface and a second surface opposite to the first surface, the first attaching layer is arranged between the first surface of the light-emitting film and the touch screen, and the first attaching layer is transparent at a light-transmitting area corresponding to the touch screen; the light-emitting film is adopted to replace the light guide film of the backlight structure, external light can be irradiated onto the key backlight through the transparent area, and the key backlight can continuously emit light after absorbing the light. The key icons are basically consistent in intensity of receiving and irradiation by utilizing the ambient light of the parallel light, the energy stored by the luminous films is equivalent, the consistency of luminous effects of the corresponding icons of the key backlight is good, the problems that the light guide films are difficult to process in a very thin effect, the brightness of different windowing windows of the light shielding films is difficult to be completely consistent, and the key icons of the visual touch screen are different are solved. The self-luminous light-emitting film stores energy, so that the use of light source components such as FPC (flexible printed circuit), LEDs (light emitting diodes) and the like is reduced, but the light source components are in a dark environment for a long time, and the backlight effect disappears after the stored energy is exhausted, so that the use is influenced.

Disclosure of Invention

Based on the above, it is necessary to provide a key touch screen with a diffusion ink layer in the key area of the touch screen, and the diffusion ink layer is used to uniformly backlight the key, so as to realize local display of the key, and the thickness of the diffusion ink layer is thin, so that the key backlight structure is thinner, more suitable for the limited space structure of the whole machine, convenient for the design of other structures of the key matching surface, and capable of continuously performing backlight display, and ensuring the display function of the key touch screen; the key backlight structure is simplified without attaching a diffusion film, the thickness of the key backlight structure is reduced, the key backlight structure is convenient to assemble, the assembly efficiency is improved, mass production is realized, the production efficiency is improved, the diffusion ink layer is only required to be arranged in the key area, the material waste is reduced, the production cost is reduced, the economic efficiency is higher, and the product competitiveness is improved.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a key touch screen with self-diffusion ink comprises a touch screen, wherein a key area is arranged on the touch screen, and a diffusion ink layer is arranged on the surface of the touch screen, which is positioned in the key area.

As a preferred implementation mode of the key touch screen with the self-diffusion ink, the touch screen comprises a transparent surface layer and a circuit layer, wherein a sensing electrode positioned in a key area is arranged on the circuit layer, and the circuit layer is electrically connected with a flexible circuit board.

As an optimal implementation mode of the key touch screen with the self-diffusion ink, the surface layer is a transparent film.

As an optimal implementation mode of the key touch screen with the self-diffusion ink, the touch screen comprises a display area and a non-display area, and the key area is arranged in the display area.

As a preferable implementation mode of the key touch screen with the self-diffusion ink, the non-display area is provided with a shading layer.

As an preferable implementation mode of the key touch screen with the self-diffusion ink, the display area is of a planar structure or a scattered point-plane structure.

As a preferable implementation mode of the key touch screen with the self-diffusion ink, the diffusion ink layer is a light-colored ink layer.

As a preferred embodiment of the key touch screen with the self-diffusion ink, the light-color ink layer is one of white, light gray or brown.

As an optimal implementation mode of the key touch screen with the self-diffusion ink, the light-color ink layer adopts a gradual-change lattice point structure.

As an optimal implementation mode of the key touch screen with the diffusion ink, the thickness of the diffusion ink layer is 3-15um.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the key touch screen with the diffusion ink, the diffusion ink layer is arranged in the key area of the touch screen, the diffusion ink is utilized to uniformly backlight the key, so that the local display of the key is realized, the thickness of the diffusion ink layer is thin, the key backlight structure can be made thinner, the key touch screen is more suitable for a limited space structure of a whole machine, the design of other structures of a key matching surface is facilitated, the backlight display can be continuously carried out, and the display function of the key touch screen is ensured; the key backlight structure is simplified without attaching a diffusion film, the thickness of the key backlight structure is reduced, the key backlight structure is convenient to assemble, the assembly efficiency is improved, the diffusion ink layer can be silk-screened on the whole touch screen during production and processing, then the whole touch screen is cut into single touch screens, batch production can be realized, the production efficiency is improved, and only the diffusion ink layer is required to be arranged in a key area, so that the material waste is reduced, the production cost is reduced, the economic efficiency is higher, and the product competitiveness is improved.

Drawings

In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a conventional touch screen structure;

FIG. 2 is a schematic plan view of a touch screen with ink diffusion according to the present utility model;

FIG. 3 is a schematic plan view of a touch screen with ink diffusion according to another embodiment of the present utility model;

FIG. 4 is a schematic side view of a touch screen with ink diffusion according to the present utility model;

FIG. 5 is a schematic diagram of a touch screen structure of a key touch screen with self-diffusing ink according to the present utility model;

fig. 6 is a schematic diagram showing a partial enlarged view of a diffusion ink layer of a key touch screen with diffusion ink according to the present utility model.

The labels in the figures are illustrated below:

10. a touch screen; 11. a surface layer; 12. a circuit layer; 13. a flexible circuit board; 20. double-sided adhesive; 30. a diffusion film; 40. diffusing the ink layer; 50. a display area; 60. a non-display area.

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.

As described in the background art, as shown in fig. 1, the conventional key touch screen adopts a structure with a diffusion film, the total thickness of the diffusion film 30 and the double-sided adhesive 20 is between 0.15mm and 0.3mm, the thickness of the touch screen 10 is increased, in order to completely cover a key area and retain an adhesive area, the periphery of the diffusion film is generally larger than the shape of the key area, so that the structure extends in XYZ directions, other structural designs matched with the key surface are affected, and the light-storage self-luminous film is adopted to store energy.

In order to solve the technical problem, the utility model provides a key touch screen with self-diffusion ink, which is applied to the field of touch screens.

Specifically, referring to fig. 2-6, the key touch screen with the diffusion ink specifically includes a touch screen 10, a key area is disposed on the touch screen 10, and a diffusion ink layer 40 is disposed on a surface of the touch screen 10 in the key area.

According to the key touch screen 10 with the diffusion ink, the diffusion ink layer 40 is arranged in the key area of the touch screen 10, the diffusion ink is used for uniformly carrying out key backlight, so that partial display of keys is realized, the thickness of the diffusion ink layer 40 is thin, a key backlight structure can be made thinner, the key touch screen is more suitable for a limited space structure of a whole machine, the design of other structures of a key matching surface is facilitated, backlight display can be continuously carried out, and the display function of the key touch screen 10 is ensured; the key backlight structure is simplified without attaching a diffusion film, the thickness of the key backlight structure is reduced, the key backlight structure is convenient to assemble, the assembly efficiency is improved, the diffusion ink layer 40 can be silk-screened on the whole touch screen 10 during production and processing, then the whole touch screen 10 is cut into single touch screens, batch production can be realized, the production efficiency is improved, and only the diffusion ink layer 40 is required to be arranged in a key area, so that the material waste is reduced, the production cost is reduced, the economic efficiency is higher, and the product competitiveness is improved.

In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Example 1

Referring to fig. 2-6, a key touch screen with a diffusion ink is provided, which includes a touch screen 10, a key area is provided on the touch screen 10, and a diffusion ink layer 40 is provided on a surface of the touch screen 10 in the key area.

The touch screen 10 adopts a capacitive touch panel structure, and comprises a transparent surface layer 11 and a circuit layer 12 positioned on the back side of the surface layer 11, wherein the surface layer 11 adopts a transparent film, a sensing electrode positioned in a key area is arranged on the circuit layer 12, the sensing electrode adopts a transparent conductive material, the circuit layer 12 also adopts a transparent structure layer, the sensing electrode is routed on the circuit layer 12, and the circuit layer 12 is electrically connected with the flexible circuit board 13, so that the sensing electrode is connected with the flexible circuit board 13.

The sensing electrode is made of transparent conductive materials, the sensing electrode is located on the circuit layer 12, and the front face of the circuit layer 12 is made of a surface layer 11 made of transparent materials, so that the surface and the inside are completely isolated, and oil, water and dust prevention can be realized.

The diffusion ink layer 40 may be provided on the surface of the circuit layer 12 or the surface of the face layer 11, and the diffusion ink layer 40 is provided between the face layer 11 and the circuit layer 12 when the diffusion ink layer 40 is provided on the surface of the face layer 11.

In order to ensure the light scattering effect, the plane size of the diffusion ink layer 40 is not smaller than the plane size of the key area, the diffusion ink layer 40 is coated on the touch screen 10 in a silk-screen manner, and in order to facilitate silk-screen processing, the diffusion ink layer 40 adopts a standard plane structure, such as a circle or a rectangle.

When the touch screen 10 is produced, before the touch screen 10 is produced by cutting single particles, the ink is diffused in the key area of the touch screen 10 through screen printing of a large screen plate, so that an ink diffusion layer 40 is formed in the key area, then the touch screen 10 is cut into single particles, and the single particles are bound with the flexible circuit board 13 to prepare the key film touch screen 10 with the ink diffusion in the key area.

According to the key touch screen with the diffusion ink, the diffusion ink layer 40 is arranged in the key area of the touch screen 10, the diffusion ink is used for uniformly carrying out key backlight, so that partial display of keys is realized, the thickness of the diffusion ink layer 40 is thin, a key backlight structure can be made thinner, the key touch screen is more suitable for a limited space structure of a whole machine, the design of other structures of a key matching surface is facilitated, backlight display can be continuously carried out, and the display function of the key touch screen 10 is ensured; the key backlight structure is simplified without attaching a diffusion film, the thickness of the key backlight structure is reduced, the key backlight structure is convenient to assemble, the assembly efficiency is improved, the diffusion ink layer 40 can be silk-screened on the whole touch screen 10 during production and processing, then the whole touch screen 10 is cut into single touch screens, batch production can be realized, the production efficiency is improved, and only the diffusion ink layer 40 is required to be arranged in a key area, so that the material waste is reduced, the production cost is reduced, the economic efficiency is higher, and the product competitiveness is improved.

Example 2

For further optimization of the key touch screen with self-diffusion ink provided in embodiment 1, specifically, as shown in fig. 2-3, the touch screen 10 includes a display area 50 and a non-display area 60, the key area is disposed in the display area 50, the non-display area 60 is provided with a light shielding layer, the light shielding layer is dark light shielding ink, such as black ink, the light shielding layer may also be bonded with the touch screen 10 by using a light shielding adhesive layer, the light shielding adhesive layer may also be a double-sided adhesive layer, the light shielding layer may also be a light shielding paper, the light shielding paper is bonded with the non-display area 60 of the touch screen 10, the light shielding layer has a light shielding effect, and is used for shielding an area of the touch screen 10 that does not need to be displayed, the display area 50 is in a planar structure, that is, and can also be displayed around the key area for displaying other contents, and the diffusion ink layer 40 is also silk-screened in the display area 50, so as to improve the display effect of the display area 50.

Example 3

For further optimization of the key touch screen with the diffusion ink provided in embodiment 2, specifically, as shown in fig. 2, the display area 50 is in a dispersed dot-surface structure, so that the display area 50 is only arranged at the position of the key area of the touch screen 10, and is in a black screen state at other positions of the touch screen 10, when the touch screen is used, only the key area on the surface of the touch screen 10 is in a bright state, and other areas of the touch screen 10 are in a dark state, so that the position of the key area can be conveniently and rapidly identified, and the convenience in use is improved.

Example 4

The key touch screen with diffusion ink provided in embodiment 3 is further optimized, specifically, as shown in fig. 2-6, the diffusion ink layer 40 is a light color ink layer, specifically, the light color ink layer is one of white, light gray or brown, in this case, white ink is preferred, so that the optical diffusion effect is better, of course, different colors can be allocated to areas and/or keys with different functions, so that different functional areas and keys with different functions can be distinguished, the effect of separating each key area is achieved, an operator can conveniently find the key to be operated, the using effect is improved, the diffusion ink layer 40 adopts a gradual mesh point structure, the mesh point structure density near the non-display area 60 is higher than that far from the non-display area 60, the brightness in the middle of the key area is higher than that of the edge, in order to better improve the optical uniformity, the structure width near the non-display area 60 is greater than that far from the non-display area 60, the thickness of the diffusion ink layer 40 is 3 um-15 um, and the whole structure is more suitable for the whole touch screen is 10 mm.

The key touch screen 10 with the diffusion ink provided by the utility model has the working principle that: the diffusion ink layer 40 is arranged in the key area of the touch screen 10, the diffusion ink is utilized to uniformly backlight the keys, so that the local display of the keys is realized, the thickness of the diffusion ink layer 40 is thin, the key backlight structure is thinner, the structure is more suitable for the limited space structure of the whole machine, the design of other structures of the key matching surface is facilitated, the backlight display can be continuously carried out, and the display function of the key touch screen 10 is ensured; the key backlight structure is simplified without attaching a diffusion film, the thickness of the key backlight structure is reduced, the key backlight structure is convenient to assemble, the assembly efficiency is improved, the diffusion ink layer 40 can be silk-screened on the whole touch screen 10 during production and processing, then the whole touch screen 10 is cut into single touch screens, batch production can be realized, the production efficiency is improved, and only the diffusion ink layer 40 is required to be arranged in a key area, so that the material waste is reduced, the production cost is reduced, the economic efficiency is higher, and the product competitiveness is improved.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.

Claims (9)

1. The utility model provides a from button touch-sensitive screen of taking diffusion printing ink, it includes the touch-sensitive screen, be equipped with the button district on the touch-sensitive screen, its characterized in that, the surface of touch-sensitive screen is located the button district is provided with the diffusion printing ink layer, the touch-sensitive screen includes display area and non-display area, the display area is located to the button district.

2. The touch screen with ink diffusion function according to claim 1, wherein the touch screen comprises a transparent surface layer and a circuit layer, sensing electrodes located in a key area are arranged on the circuit layer, and the circuit layer is electrically connected with the flexible circuit board.

3. The key touch screen with self-diffusing ink according to claim 2, wherein the surface layer is a transparent film.

4. The key touch screen with self-diffusing ink according to claim 1, wherein the non-display area is provided with a light shielding layer.

5. The touch screen with ink diffusion according to claim 1, wherein the display area is a planar structure or a dispersed dot-plane structure.

6. The self-contained diffusion ink key touch screen of claim 1, wherein the diffusion ink layer is a light color ink layer.

7. The self-diffusing ink key touch screen of claim 6, wherein said light colored ink layer is one of white, light gray, or brown.

8. The self-diffusing ink key touch-screen of claim 7, wherein said light ink layer is a graded dot structure.

9. The key touch screen with self-diffusing ink according to claim 1, wherein the thickness of the diffusing ink layer is 3-15um.