High-hardness touch screen cover plate

Abstract

The utility model discloses a high-hardness touch screen cover plate which comprises a base plate layer, a composite layer is arranged at the top of the base plate layer, a wear-resistant coating is arranged at the top of the composite layer, and protective layers are arranged at four corners of the base plate layer. The protective layer comprises a PC layer arranged on the outer side of the substrate layer and a PMMA layer arranged on the side, away from the substrate layer, of the PC layer. According to the structure, the composite layer, the wear-resistant layer and the protective layer are arranged outside the base plate layer, so that the touch screen cover plate has higher hardness and stronger impact resistance, the impact resistance and the protective capability of the touch screen cover plate are enhanced, the risk that the cover plate is damaged due to stress at four corners is reduced, and the touch screen cover plate is firmer and more durable. The service life of the touch screen cover plate is prolonged, the use stability and reliability of the touch screen cover plate are ensured, and more secure and smooth touch experience is brought to a user.

Description

TECHNICAL FIELD

[0001] The utility model relates to touch -sensitive screen technical field especially relates to a kind of high-hardness touch -sensitive screen cover plate. BACKGROUND

[0002] With the popularity of smart phones, tablet computers, industrial control equipment and other electronic products, touch screen as the main man-machine interface, widely used in various fields.And touch screen cover plate as the important component of our daily use smart phones, tablet computers and other electronic products, it can well play the role of protecting touch screen.

[0003] At present, although touch screen cover plate has made significant progress in high hardness and wear resistance, but in some specific application scenarios, such as industrial control and outdoor display and other harsh environments, usually accompanied by external impact etc.The existing touch screen cover plate when facing these external impact, environmental adaptability is poor and still can be broken or damaged, the overall protection performance needs to be improved.Therefore, the utility model provides a kind of high-hardness touch screen cover plate to solve the problems raised in the above background technology. SUMMARY

[0004] The utility model aims at providing a kind of high-hardness touch screen cover plate, by setting composite layer, wear-resistant layer and protective layer outside substrate layer, provide higher hardness and stronger impact resistance for touch screen cover plate, enhance the impact resistance and protection ability of touch screen cover plate, reduce the damage risk of cover plate due to four corners stress, so that touch screen cover plate is more solid, durable.Not only beneficial to prolong the service life of touch screen cover plate, also ensure the stability and reliability of touch screen cover plate use, bring more reassured, smooth touch experience for user.

[0005] To achieve the above object, provide a kind of high-hardness touch screen cover plate, including substrate layer, the top of substrate layer is equipped with composite layer, the top of composite layer is equipped with wear-resistant coating, the four corners of substrate layer are equipped with protective layer;

[0006] The protective layer includes PC layer arranged outside the substrate layer and PMMA layer arranged on the side of the PC layer away from the substrate layer.

[0007] According to the high-hardness touch screen cover plate, the four corners of the substrate layer, the composite layer and the wear-resistant coating are all chamfered structures, and the PC layer and the PMMA layer are both arranged as circular arc structures matched with the chamfered structures.

[0008] According to the high-hardness touch screen cover plate, the composite layer includes a PC film arranged close to the substrate layer and a PMMA film arranged close to the wear-resistant coating.

[0009] According to the high-hardness touch screen cover plate, the wear-resistant coating is a nano coating.

[0010] According to the high-hardness touch screen cover plate, the embedding grooves are arranged in the chamfered structures of the substrate layer, the composite layer and the wear-resistant coating.

[0011] According to the high-hardness touch screen cover plate, the PC layer and the substrate layer are adhesively connected, the PMMA layer and the PC layer are adhesively connected, and the PC film and the PMMA film are adhesively connected.

[0012] The high-hardness touch screen cover plate has the following beneficial effects:

[0013] Compared with the prior art, the high-hardness touch screen cover plate has the following beneficial effects: the composite layer, the wear-resistant layer and the protective layer are arranged outside the substrate layer, so that the touch screen cover plate has high hardness and strong impact resistance, the impact resistance and protection capability of the touch screen cover plate are enhanced, the damage risk of the cover plate caused by stress on four corners is reduced, the touch screen cover plate is more solid and durable, the service life of the touch screen cover plate is prolonged, the stability and reliability of the touch screen cover plate are ensured, and users have a more comfortable and smooth touch experience.

[0014] Additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0015] The present application will be further described below in combination with the drawings and embodiments.

[0016] Figure 1 It is a whole structure schematic view of the high-hardness touch screen cover plate of the present application.

[0017] Figure 2 It is a split structure schematic view of the high-hardness touch screen cover plate of the present application.

[0018] Figure 3 It is a split structure schematic view of the high-hardness touch screen cover plate of the present application. Figure 1 It is an enlarged structure schematic view of position A.

[0019] LEGEND

[0020] 11, substrate layer; 12, composite layer; 13, wear-resistant coating; 21, PC layer; 22, PMMA layer; 3, embedding groove. DETAILED DESCRIPTION

[0021] The detailed embodiments of the utility model will be described in detail in this part, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the written part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0022] Referring to Figures 1-3 The utility model discloses a kind of high-hardness touch screen cover plate, it includes substrate layer 11, substrate layer 11 top is equipped with composite layer 12, composite layer 12 includes the PC film being close to substrate layer 11 and the PMMA film being close to wear-resistant coating 13, composite layer 12 top is equipped with wear-resistant coating 13, wear-resistant coating 13 is nano coating, substrate layer 11 four corners are equipped with protective layer, protective layer includes PC layer 21 being located substrate layer 11 outer side and PMMA layer 22 being located PC layer 21 side away from substrate layer 11.

[0023] Substrate layer 11 can use toughened glass as base layer, surface hard. Composite layer 12 is made by PC film and PMMA film bonding, PMMA material provides higher hardness and weather resistance, PC material provides stronger impact resistance, can make touch screen cover plate more solid, durable very well.In outermost layer, nano coating is set, can effectively reduce surface pollution, and enhance wear resistance, prolong the service life of touch screen cover plate.And in touch screen cover plate four corners, protective layer is set by PC layer 21 and PMMA layer 22, form stable protective structure, to further enhance the impact resistance and protection ability of touch screen cover plate, reduce the damage risk of cover plate due to four corners stress.Not only beneficial to prolong the service life of touch screen cover plate, also ensure the stability and reliability of touch screen cover plate use, bring more reassured, smooth touch experience for user.

[0024] Substrate layer 11, composite layer 12 and wear-resistant coating 13 four corners are all chamfer structure, PC layer 21 and PMMA layer 22 are all set as the arc structure matched with chamfer structure, chamfer structure not only makes touch screen cover plate more round and beautiful in appearance, and can reduce the damage of external force impact to touch screen and cover plate.Substrate layer 11, composite layer 12 and wear-resistant coating 13 chamfer structure are all provided with embedding groove 3, PC layer 21 and PMMA layer 22 are all embedded in embedding groove 3 inside, PC layer 21 and PMMA layer 22 are embedded and hidden, beneficial to guarantee the overall appearance of touch screen cover plate.

[0025] PC layer 21 and substrate layer 11, PMMA layer 22 and PC layer 21 are all bonded connection, PC film and PMMA film are also bonded connection, composite layer 12 and protective layer are bonded and compounded by using adhesive, form a whole, improve the overall performance of touch screen cover plate.

[0026] Working principle: the substrate layer 11 can adopt tempered glass as base layer, surface hard. The composite layer 12 is made by PC film and PMMA film bonding, PMMA material provides higher hardness and weather resistance, PC material provides stronger impact resistance, can make touch screen cover plate more solid, durable. Set up nanometer coating in the outermost layer, can effectively reduce surface pollution, and enhance wear resistance, prolong the service life of touch screen cover plate. And in the four corners of touch screen cover plate set up the protective layer by PC layer 21 and PMMA layer 22, form stable protective structure, to further enhance the impact resistance and protection ability of touch screen cover plate, reduce the damage risk of cover plate due to four corners stress. Not only beneficial to prolong the service life of touch screen cover plate, also ensure the stability and reliability of touch screen cover plate use, bring more peace of mind, smooth touch experience for the user.

[0027] The embodiments of the utility model are explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, within the knowledge range of ordinary skill in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A high-hardness touchscreen cover, characterized in that, It includes a substrate layer (11), a composite layer (12) on top of the substrate layer (11), a wear-resistant coating (13) on top of the composite layer (12), and a protective layer at each of the four corners of the substrate layer (11). The protective layer includes a PC layer (21) disposed outside the substrate layer (11) and a PMMA layer (22) disposed on the side of the PC layer (21) away from the substrate layer (11).

2. The high-hardness touchscreen cover plate according to claim 1, characterized in that, The four corners of the substrate layer (11), composite layer (12) and wear-resistant coating (13) are all chamfered, and the PC layer (21) and PMMA layer (22) are both designed as arc structures to match the chamfered structures.

3. A high-hardness touchscreen cover plate according to claim 2, characterized in that, The composite layer (12) includes a PC film disposed near the substrate layer (11) and a PMMA film disposed near the wear-resistant coating (13).

4. A high-hardness touchscreen cover plate according to claim 3, characterized in that, The wear-resistant coating (13) is a nano-coating.

5. A high-hardness touchscreen cover plate according to claim 4, characterized in that, The substrate layer (11), composite layer (12) and wear-resistant coating (13) are all provided with embedding grooves (3) at their chamfered structures, and the PC layer (21) and PMMA layer (22) are both embedded in the embedding grooves (3).

6. A high-hardness touchscreen cover plate according to claim 5, characterized in that, The PC layer (21) is bonded to the substrate layer (11), and the PMMA layer (22) is bonded to the PC layer (21). The PC film is also bonded to the PMMA film.

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