TW201912406A - Edge Strengthening Structure of Screen Protector and Manufacturing Method Thereof - Google Patents

Abstract

An edge strengthening structure of a screen protector and manufacturing method thereof are provided in the present disclosure. The edge strengthening structure includes a glass layer, an adhesive layer, and an ink layer, the glass layer has a first surface and a second surface, and an arc edge bent toward the second surface is formed at an edge of the first surface. The arc edge is extended surrounding the glass layer, the adhesive layer is attached on the second surface of the glass layer and the ink layer is printed on the arc edge to improve a surface strength of the arc edge of the glass layer.

Description

Screen protector edge reinforced structure and its preparation method

The invention relates to a protective sticker, in particular to a screen protection edge edge strengthening structure and a manufacturing method thereof, in particular to a protective sticker suitable for a touch screen.

According to the popularization of electronic products such as mobile phones and tablets, technologies such as touch screens are generally applied to the above products. Therefore, products such as screen protectors are also widely used. At the same time, especially in today's market, many mobile phones and tablets emphasize that the periphery of the screen has a circular arc design and is less susceptible to damage due to impact. Therefore, the protective stickers often need to be matched with the screen.

At present, the screens that are commonly visible on the market are used as protective sheets such as 2.5D or 3D full or full versions, which are mainly used on the periphery of a protective substrate made of a material such as glass. Curved lead angles to match the screen. However, due to the conventional process and structure, the arc edge is not further reinforced, so that the edge of the protective sticker having a curved shape is more likely to be scratched or damaged, thereby affecting the appearance.

In addition, traditionally made of PVC (polyvinyl chloride), PET (polyethylene terephthalate) and AR (anti-reflective coating) and other materials, the hardness of the protective tape is made of glass substrate The protective sticker is soft, but it is also easy to adhere to the screen because the material itself is soft; while the glass protective tape has good hardness, but the protective sticker itself is hard and not easy to stick to the screen.

In view of the above, the present inventors have made an effort to improve and solve the above-mentioned shortcomings, and have devoted themselves to research and cooperate with the application of the theory, and finally proposed a present invention which is reasonable in design and effective in improving the above-mentioned defects.

The main object of the present invention is to provide a screen protection edge reinforcing structure and a manufacturing method thereof, which are formed by means of ink printing to form a reinforcing structure on the arc edge of the protective glass layer, thereby reinforcing the protection against the arc edge. Surface strength.

In order to achieve the above object, the present invention provides a screen protector edge reinforcing structure, comprising a glass layer, an adhesive layer, and an ink layer, the glass layer having a first surface and a second surface, and the first surface is The edge is curved toward the second surface in a curved arc shape, the arc edge continuously surrounds the glass layer, the adhesive layer is attached to the second surface of the glass layer, and the ink layer is printed on the arc edge to strengthen the glass The surface strength of the layer on the edge of the arc.

In order to achieve the above object, the present invention provides a method for manufacturing a screen protection edge reinforcement structure, the steps of which include:

a) preparing a glass layer having a first surface and a second surface;

b) grinding the periphery of the glass layer to form a curved edge around the glass layer that is curved from the edge of the first surface toward the second surface;

c) printing ink on the arc edge and forming an ink layer on the arc edge to strengthen the surface strength of the glass layer on the arc side.

The detailed description of the present invention and the accompanying drawings are to be understood by the accompanying claims .

Please refer to FIG. 1 to FIG. 5 , which are respectively a flow chart of the steps of the method of the present invention, a schematic view of the appearance of the glass layer prepared by the present invention, a partial schematic view of the present invention for forming an arc on the glass layer, and the present invention is applied to the arc of the glass layer. A partial schematic view of the printing ink and a schematic representation of the appearance of the finished glass layer of the present invention. The invention provides a screen protection edge edge reinforced structure and a preparation method thereof, which are mainly for a glass protection sticker with a curved edge at the periphery to enhance the strength of the arc edge, and the utility model can reduce the scratch or damage to avoid affecting the appearance thereof. .

As shown in Fig. 1 and Fig. 2, the present invention is prepared in advance for the preparation method (i.e., step S1 of Fig. 1). That is, a glass layer 1 is prepared, the glass layer 1 has a first surface 1a and a second surface 1b; wherein the first surface 1a is used as a protective surface attached to the touch surface behind the screen (ie, the finger is directly operated by a human hand) The surface to be contacted, and the second surface 1b serves as an adhesive surface to which the screen is attached (that is, an adhesive layer needs to be further bonded to be attached to the screen). In the embodiment of the present invention, the thickness of the glass layer 1 is about 0.33 mm, and the first surface 1a can be a smooth or matte surface, wherein the smooth surface is processed by precision polishing. This can be done, and the matte surface is sanded on the first surface 1a of the glass layer 1. For example, the glass layer 1 is placed in a sanding device (not shown), and the first surface 1a is uniformly etched and sprayed by the etching solution through the head for several minutes, and then washed by ultrasonic waves or the like. The matte surface is formed on a surface 1a.

As shown in FIGS. 1 and 3, edge polishing (i.e., step S2 of FIG. 1) may be performed on the glass layer 1 to form the desired arc edge. That is, the periphery of the glass layer 1 is polished to form an arc edge 1c which is curved from the edge of the first surface 1a toward the second surface 1b around the glass layer 1. In the embodiment of the present invention, the circumference of the glass layer 1 can be polished by an angle of α, for example, by a precise sanding method. Wherein, the angle of the angle α may fall at about 135 degrees, so that the first surface 1a has a curved arc edge 1c at the edge toward the second surface 1b, and is polished by the periphery of the glass layer 1. The circle, so the arc edge 1c can also continuously surround the periphery of the glass layer 1. After the crucible, the surface of the arc edge 1c is polished.

As shown in FIG. 1 and FIG. 4, finally, an ink layer 2 is formed on the arc side 1c by ink printing (ie, step S3 of FIG. 1), and the glass layer 1 is reinforced by the ink layer 2. The surface strength of the arc 1c. That is, ink is printed on the arc side 1c, and an ink layer 2 is formed on the arc side 1c to strengthen the surface strength of the glass layer 1 on the arc side 1c. In the embodiment of the present invention, the ink layer 2 having a thickness R of about 0.4 um can be formed by screen printing on the arc side 1c by an ink such as a light-shielding paint. In addition, a small amount (about 10%) of the curing agent may be added to the ink and baked by high temperature (about 150 degrees) to obtain a glass layer having the ink layer 2 as shown in FIG. 1.

Therefore, the edge protection structure of the screen protector of the present invention and the method for manufacturing the same can be obtained by the above-mentioned structural composition.

Furthermore, in order to allow the above glass layer 1 to be adhered to the screen, it is prepared to form a complete protective sticker. As shown in FIG. 6, in an embodiment of the present invention, an adhesive layer 3 is attached to the second surface 1b of the glass layer 1, and the glass layer 1 includes a flat portion 10 and a surrounding portion. a frame edge portion 11 at the periphery of the flat portion 10, and the flat portion 10 has a see-through region 100 and a printing region 101, and the printing region 101 can further extend to the inner surface of the frame edge portion 11, that is, at least the glass layer 1 The printing zone 101 (shown in Figure 8) is formed by spraying an opaque coating on the edges of the two surfaces 10b. As shown in FIG. 7 and FIG. 8 , when the glass layer 1 is attached to a mobile phone 4 , the mobile phone 4 mainly has a front surface 40 and an arc edge 41 surrounding the front surface 40 , and the The front surface 40 further includes a screen area 400 and a panel area 401, and the perspective area 100 corresponds to the screen area 400 and the printing area 101 corresponds to the panel area 401; the thickness D of the adhesive layer 3 is between 0.23 mm and 0.27 mm. Between, and preferably, 0.25 mm.该Because the glass layer 1 itself is relatively hard, it is more likely to generate voids when it is in contact with the screen of the mobile phone 4; and by controlling the thickness D of the adhesive layer 3 to match the screen size, the adhesive layer 3 can have sufficient material energy. Fill the gap.

In addition, as shown in FIG. 9, in another embodiment of the present invention, the adhesive layer 3 can be divided into a first adhesive portion 30 and a second adhesive portion 31, and is commonly attached to the glass layer 1. The second surface 1b, and as shown in FIG. 10, the thickness D of the first adhesive portion 30 is thicker than the thickness d of the second adhesive portion 31. The thickness D of the first adhesive portion 30 may be between 0.23 and 0.27 mm, preferably 0.25 mm. In addition, although the printed region 101 also has a certain thickness, it is generally 4 μm, so it can be ignored.俾 By the difference in thickness between the first and second adhesive portions 30, 31 and the position of the attachment, the user can achieve the purpose of sticking.

In summary, the present invention can achieve the intended use purpose, and solve the lack of the conventional, and because of the novelty and progress, fully meet the requirements of the invention patent application, and apply according to the patent law, please check and The patent in this case is granted to protect the rights of the inventor.

However, the above description is only a preferred embodiment of the present invention, and thus the scope of the present invention is not limited thereto, and the equivalent techniques and means, etc., which are used in the description of the present invention and the contents of the drawings, are the same. It is included in the scope of the present invention and is combined with Chen Ming.

1‧‧‧ glass layer

1a‧‧‧ first surface

1b‧‧‧ second surface

1c‧‧‧Arc edge

10‧‧‧Flat Department

100‧‧‧ Perspective area

101‧‧‧Printing area

11‧‧‧ Frame Edge

2‧‧‧Ink layer

3‧‧‧Adhesive layer

4‧‧‧Mobile phones

40‧‧‧ positive

400‧‧‧Screen area

401‧‧‧ panel area

41‧‧‧Arc edge

S1~S3‧‧‧ steps

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a flow chart showing the steps of the process of the present invention.

Fig. 2 is a schematic view showing the appearance of a glass layer of the material of the present invention.

Figure 3 is a partial schematic view showing the formation of an arc on the glass layer of the present invention.

Fig. 4 is a partial schematic view showing the printing of ink on the arc side of the glass layer of the present invention.

Figure 5 is a schematic view showing the appearance of a finished glass layer of the present invention.

Figure 6 is a perspective exploded view of the glass layer and the adhesive layer of the present invention.

Figure 7 is an exploded perspective view of a first embodiment of the present invention applied to a mobile phone.

Figure 8 is a partial cross-sectional view showing a first embodiment of the present invention applied to a mobile phone.

Figure 9 is an exploded perspective view of a second embodiment of the present invention applied to a mobile phone.

Figure 10 is a partial cross-sectional view showing a second embodiment of the present invention applied to a mobile phone.

Claims (14)

A screen protector edge reinforcing structure, comprising: a glass layer having a first surface and a second surface, and the first surface has a curved arc edge toward the second surface at the edge, the arc A side continuously surrounds the periphery of the glass layer; an adhesive layer attached to the second surface of the glass layer; and an ink layer printed on the arc edge to enhance the surface strength of the glass layer on the arc edge. The screen protector edge reinforcing structure according to claim 1, wherein the glass layer has a thickness of 0.33 mm. The screen protector edge reinforcing structure according to claim 1, wherein the first surface is a smooth surface or a matte surface. The edge protection structure of the screen protector according to claim 1, wherein the thickness of the adhesive layer is between 0.23 mm and 0.27 mm. The screen protector edge reinforcing structure according to claim 1 or 4, wherein the adhesive layer has a thickness of 0.25 mm. The edge protection structure of the screen protector according to claim 1, wherein the adhesive layer is divided into a first adhesive portion and a second adhesive portion, and the thickness of the first adhesive portion is greater than the second adhesive portion. The thickness of the part is thick. The edge protection structure of the screen protector according to claim 6, wherein the thickness of the first adhesive portion is between 0.23 and 0.27 mm. The screen protector edge reinforcing structure according to claim 6 or 7, wherein the first adhesive portion has a thickness of 0.25 mm. The screen protector edge reinforcing structure according to claim 1, wherein the ink layer has a thickness of 0.4 um. A method for manufacturing a screen protector edge reinforced structure, the steps comprising: a) preparing a glass layer having a first surface and a second surface; b) grinding the periphery of the glass layer to the glass layer Forming an arc edge curved from the edge of the first surface toward the second surface; and c) printing ink on the arc edge, and forming an ink layer on the arc edge to strengthen the glass layer The surface strength of the arc edge. The method for manufacturing the edge protection structure of the screen protector according to claim 10, wherein the step a) first polishing the first surface of the glass layer to make a bright surface. The method for manufacturing the edge protection structure of the screen protector according to claim 10, wherein the step a) first sands the first surface of the glass layer to form a matte surface. The method for manufacturing a screen protector edge reinforcing structure according to claim 10, wherein the step b) further polishes the arc edge surface. The method for manufacturing the edge protection structure of the screen protector according to claim 10, wherein the step c) is to add a curing agent to the ink, and to form the arc edge after baking at a high temperature.