阅读说明：本技术 一种带触控功能的可折叠防爆玻璃盖板 (Foldable explosion-proof glass cover plate with touch function ) 是由 蒋承忠 江建志 周晧煜 赖耀升 于 2020-08-21 设计创作，主要内容包括：本发明公开了一种带触控功能的可折叠防爆玻璃盖板,包括超薄玻璃,所述超薄玻璃下方设置有第一触摸传感器层,第一触摸传感器层下方设置有第一防爆膜,所述第一防爆膜下方设置有第二触摸传感器层,本发明不同于传统OGS结构,在生产控制上难度也较低,并且具备防爆效果的,折叠效果又好。(The invention discloses a foldable explosion-proof glass cover plate with a touch function, which comprises ultra-thin glass, wherein a first touch sensor layer is arranged below the ultra-thin glass, a first explosion-proof film is arranged below the first touch sensor layer, and a second touch sensor layer is arranged below the first explosion-proof film.)

1. The utility model provides a take collapsible explosion-proof glass apron of touch-control function which characterized in that: including ultra-thin glass, the ultra-thin glass below is provided with first touch sensor layer, and first touch sensor layer below is provided with first rupture membrane, first rupture membrane below is provided with second touch sensor layer.

2. The foldable explosion-proof glass cover plate with the touch control function according to claim 1, wherein: the first touch sensor layer is one of an X-axis touch circuit and a Y-axis touch circuit, and the second touch sensor layer is the other of the X-axis touch circuit and the Y-axis touch circuit.

3. The foldable explosion-proof glass cover plate with the touch control function according to claim 2, wherein: the X-axis touch circuit and the Y-axis touch circuit are made of ITO or metal grids or nano silver or graphene.

4. The foldable explosion-proof glass cover plate with the touch control function according to claim 3, wherein: when the X-axis touch circuit and the Y-axis touch circuit are made of metal grids, the metal grids are made of one or an alloy of at least two of gold, silver, copper, aluminum, zinc and molybdenum; the metal grid is of a single-layer or multi-layer structure.

5. The foldable explosion-proof glass cover plate with the touch control function according to claim 4, wherein: and a second explosion-proof membrane is arranged above the ultrathin glass.

6. The foldable explosion-proof glass cover plate with the touch control function according to claim 5, wherein: and a third explosion-proof film is arranged on the side edge of the ultrathin glass.

7. The foldable explosion-proof glass cover plate with the touch control function according to claim 6, wherein: the first explosion-proof membrane, the second explosion-proof membrane and the third explosion-proof membrane are all made of explosion-proof printing ink.

8. The foldable explosion-proof glass cover plate with the touch control function according to claim 7, characterized in that the manufacturing method thereof is as follows:

1) manufacturing a first touch sensor layer on the lower surface of the ultrathin glass by adopting a yellow light manufacturing process;

2) printing or coating explosion-proof ink below the first touch sensor layer, and drying to form a first explosion-proof film;

3) and manufacturing a second touch sensor layer on the lower surface of the first explosion-proof membrane by adopting a yellow light manufacturing process, and forming a complete touch layer together with the first touch sensor layer.

9. The foldable explosion-proof glass cover plate with the touch control function according to claim 8, wherein: printing or coating explosion-proof ink on the upper surface of the ultrathin glass, and drying to form a second explosion-proof film.

10. The foldable explosion-proof glass cover plate with the touch control function according to claim 9, wherein: when the explosion-proof ink is printed or coated on the upper surface of the ultrathin glass, the explosion-proof ink is printed or coated on the side edge of the ultrathin glass, and a third explosion-proof film is formed after drying.

Technical Field

The invention belongs to the field of glass cover plates of electronic products, and particularly relates to a foldable explosion-proof glass cover plate with a touch function.

Background

Since the year 2019, companies including the beijing east have successively exposed foldable self-luminous flexible screens that are completely self-developed. Companies such as samsung, huayao, etc. have also made related products based on network messages. Unicom even in officers means "fold screen handset not far away! "

The folding screen mobile phones released in the market at present have many problems, for example, various problems occur on the screen of a tester just released by a three-star Galaxy Fold. In the first quarter of 2020, samsung released a Galaxy Z Flip folding screen mobile phone, which is the first global folding screen mobile phone adopting ultrathin glass as a protective cover plate.

The functional layers of the folded OLED screen and the common OLED screen are basically similar, and an OLED, a TFT, a polarizer, a touch sensor and the like are all necessary, but the process has great difference.

The touch sensor is mainly divided into three structures of In-Cell, On-Cell and OGS at present In the manufacture of LCD or OLED, and each structure has advantages and disadvantages. The simple point distinguishing means that the OGS is that the touch sensor is manufactured on a cover plate; the On-Cell is formed by manufacturing a touch sensor On an LCD/OLED; the In-Cell is a touch sensor fabricated on the TFT.

In-Cell and On-Cell are more complex than OGS, the difficulty In production control is higher, particularly if the In-Cell and On-Cell are applied to a folding display screen, the yield is low and the cost is higher.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the foldable anti-explosion glass cover plate with the touch function, which is different from the traditional OGS structure, has lower difficulty in production control, has an anti-explosion effect and a good folding effect.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a take collapsible explosion-proof glass apron of touch-control function, includes ultra-thin glass, the ultra-thin glass below is provided with first touch sensor layer, and first touch sensor layer below is provided with first rupture membrane, first rupture membrane below is provided with second touch sensor layer.

The first touch sensor layer is further one of an X-axis touch circuit and a Y-axis touch circuit, and the second touch sensor layer is the other one of the X-axis touch circuit and the Y-axis touch circuit.

Further, the X-axis touch circuit and the Y-axis touch circuit are made of ITO or metal grids or nano silver or graphene.

When the X-axis touch circuit and the Y-axis touch circuit are made of metal grids, the metal grids are made of one or an alloy of at least two of gold, silver, copper, aluminum, zinc and molybdenum; the metal grid is of a single-layer or multi-layer structure.

And a second explosion-proof membrane is arranged above the ultrathin glass.

And a third explosion-proof film is arranged on the side edge of the ultrathin glass.

And further, the first explosion-proof membrane, the second explosion-proof membrane and the third explosion-proof membrane are all made of explosion-proof ink.

The manufacturing method is further as follows:

1) manufacturing a first touch sensor layer on the lower surface of the ultrathin glass by adopting a yellow light manufacturing process;

2) printing or coating explosion-proof ink below the first touch sensor layer, and drying to form a first explosion-proof film;

3) and manufacturing a second touch sensor layer on the lower surface of the first explosion-proof membrane by adopting a yellow light manufacturing process, and forming a complete touch layer together with the first touch sensor layer.

And further printing or coating explosion-proof ink on the upper surface of the ultrathin glass, and drying to form a second explosion-proof film.

And further, when the explosion-proof ink is printed or coated on the upper surface of the ultrathin glass, the explosion-proof ink is printed or coated on the side edge of the ultrathin glass, and a third explosion-proof film is formed after drying.

Compared with the prior art, the invention has the beneficial effects that:

1. the double-layer touch sensor structure is respectively arranged on the lower surface of the ultrathin glass and the lower surface of the first explosion-proof film, so that the touch control is sensitive, and the folding effect is good;

2. the ultrathin glass is used as a protective cover plate, so that the screen has better hand feeling;

3. the first explosion-proof film can prevent glass fragments from splashing when the ultrathin glass is broken and can also be used as an insulating layer between the double-layer touch sensors;

4. and a second explosion-proof film and a third explosion-proof film are added, so that the safety of the ultrathin glass is better improved.

Drawings

FIG. 1 is a schematic structural diagram of a foldable explosion-proof glass cover plate with a touch function according to the present invention;

FIG. 2 is a schematic diagram of the structure of a pad printing unit for gravure printing used in printing explosion-proof ink according to the present invention.

Reference numerals: 1. ultra-thin glass; 21. a first touch sensor layer; 22. a second touch sensor layer; 31. a first rupture membrane; 32. a second rupture disk; 51. a jig; 52. a pad printing roller; 53. a gravure cylinder; 54. an ink bin; 55. an ink roller; 56. a doctor blade.

Detailed Description

An embodiment of the foldable explosion-proof glass cover plate with touch control function according to the present invention is further described with reference to fig. 1 and 2.

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a number" or "a number" means two or more unless explicitly specified otherwise.

The utility model provides a take collapsible explosion-proof glass apron of touch-control function, includes ultra-thin glass 1, 1 below of ultra-thin glass is provided with first touch sensor layer 21, and first touch sensor layer 21 below is provided with first rupture membrane 31, first rupture membrane 31 below is provided with second touch sensor layer 22.

In the embodiment, the thickness of the ultra-thin glass 1 is 20 to 150 micrometers, the thickness of the first explosion-proof film 31 is 1 to 50 micrometers, and the first explosion-proof film 31 is formed by printing or coating explosion-proof ink on the first touch sensor layer 21.

The first explosion-proof film 31 can prevent fragments from splashing when the ultrathin glass 1 is broken, and can be used as an insulating layer of the first touch sensor layer 21 and the second touch sensor layer 22, so that the touch sensor layers are easier to produce, and the yield is increased.

In this embodiment, preferably, the first touch sensor layer 21 is one of an X-axis touch circuit and a Y-axis touch circuit, and the second touch sensor layer 22 is the other of the X-axis touch circuit and the Y-axis touch circuit, that is, if the first touch sensor layer 21 is the X-axis touch circuit, the second touch sensor layer 22 is the Y-axis touch circuit, and if the first touch sensor layer 21 is the Y-axis touch circuit, the second touch sensor layer 22 is the X-axis touch circuit.

The X-axis touch circuit and the Y-axis touch circuit preferred in this embodiment are made of ITO, metal mesh, nano silver, or graphene.

When the X-axis touch circuit and the Y-axis touch circuit are made of metal grids, the metal grids are made of one or an alloy of at least two of gold, silver, copper, aluminum, zinc and molybdenum; the metal grid is of a single-layer or multi-layer structure.

In this embodiment, a second explosion-proof film 32 is preferably disposed above the ultra-thin glass 1, the second explosion-proof film 32 is preferably formed by printing or coating explosion-proof ink on the upper surface of the ultra-thin glass 1, and the second explosion-proof film 32 enhances the protection of the ultra-thin glass 1 and improves the safety.

In the embodiment, a third explosion-proof film is preferably arranged on the side edge of the ultrathin glass 1, and the third explosion-proof film is preferably formed by printing or coating explosion-proof ink on the side edge of the ultrathin glass 1 and has a side edge explosion-proof function; reference may be made to the specific structures and methods disclosed in the prior applications 202020753966.3 and CN202010387878.0, which are disclosed in the patent application 1.

In this embodiment, the thickness of the second burst disk 32 and the third burst disk is preferably 1 to 50 μm.

The manufacturing method of the foldable explosion-proof glass cover plate with the touch function in the embodiment comprises the following steps:

1) manufacturing a first touch sensor layer 21 on the lower surface of the ultrathin glass 1 by adopting a yellow light manufacturing process;

2) printing or coating explosion-proof ink below the first touch sensor layer 21, and drying to form a first explosion-proof film 31;

3) the second touch sensor layer 22 is fabricated on the lower surface of the first explosion-proof membrane 31 by a yellow light process, and forms a complete touch layer (touch sensor layer) with the first touch sensor layer 21.

The explosion-proof ink is prepared by mixing the ink, the curing agent and the diluent according to a certain proportion, and glass cannot splash everywhere after being broken after the explosion-proof ink is printed. For example, chinese patent CN201611259798.7 discloses an explosion-proof ink, which can be a transparent ink, wherein the transparent explosion-proof ink is prepared by the conventional method of the skilled person in the art.

When the explosion-proof ink is manufactured in a printing mode, as shown in fig. 2, the manufacturing is performed by using a gravure pad printing device, which mainly comprises an ink bin 54, a gravure cylinder 53, a pad printing cylinder 52 and a jig 51, wherein the pad printing cylinder 52 is a rubber roller.

The explosion-proof ink is placed in an ink chamber 54, an ink roller 55 is further arranged in the ink chamber 54, the ink roller 55 is abutted against a gravure roller 53, the ink roller 55 sucks the ink in the ink chamber 54 and transfers the ink into a gravure of the gravure roller 53, the gravure roller 53 rotates along the direction a, a doctor blade 56 is arranged beside the gravure roller 53 to scrape the ink in the gravure roller 53, the gravure roller 53 transfers the ink in the gravure to the surface of a transfer printing roller 52, the transfer printing roller 52 rotates along the direction b, the ultrathin glass 1 is placed on a jig 51 and moves along the direction c, the ultrathin glass 1 passes under the transfer printing roller 52, the transfer printing roller 52 prints the explosion-proof ink on the surface of the ultrathin glass 1, and the thickness of the explosion-proof film (comprising a first explosion-proof film 31 and a second explosion-proof film 32 and a third explosion-proof film which are described later) can be increased by repeatedly printing or adjusting the viscosity or the depth of the ink or the gravure), through this gravure pad printing device, printing efficiency is high, and thickness is even, and thickness control is accurate.

The present embodiment preferably further includes printing or coating an explosion-proof ink on the upper surface of the ultra-thin glass 1, and forming the second explosion-proof film 32 after drying, which may be performed before the step 1) of printing the first touch sensor layer 21 or after the step 3) of printing the second touch sensor layer 22.

In the embodiment, when the explosion-proof ink is printed or coated on the upper surface of the ultra-thin glass 1, the explosion-proof ink is printed or coated on the side edge of the ultra-thin glass 1, and the third explosion-proof film is formed after drying, and the printing method of the third explosion-proof film refers to the technical scheme disclosed in application number CN 202010387878.0.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.