TWM472619U - Layer structure of protective film - Google Patents

Description

Layered structure of protective stickers

The present invention provides a layered structure of a protective sticker, in particular, a functional film layer formed on the surface of the film for protecting the film has good anti-smudge and abrasion resistance, reduces glare reflected by an external light source, and blocks blue light. It can effectively reduce the discomfort of the eyes, and can also have the effect of shining powder or mirror, and also protect the screen from damage caused by external impact.

According to the vigorous development and progress of the technology era, many electronic devices continue to be introduced, such as notebook computers, smart phones, tablets, digital cameras, e-books, global satellite navigation machines, digital photo frames, etc. Although the control screen itself is a scratch-resistant tempered glass, it will still be contaminated with dirt after being used for a long time. Even the dust and metal hard objects (such as keys, coins, etc.) will cause surface scratches and fine lines on the tempered glass. As a result, the panel and the touch screen are blurred, which affects the quality of the viewing and is not beautiful.

Moreover, today's electronic devices are not only functionally strong, but with the high resolution and multi-touch requirements of the screen, the screen price is relatively more and more expensive, and the external aesthetics is also one of the user considerations. Great focus, so in order to protect the panel, the touch screen surface is not easy to produce scratches and fine lines, the general user will buy a protective sticker on the screen surface for filming, and use the protective stickers to have product beautification, no residue, convenient Heavy work, basic anti-fouling and scratch-resistant functions, but the competition between the manufacturers of screen protectors is fierce, and manufacturers are not Breaking through the development path, and because the public is constantly pursuing novel ideas and attaching more functions and effects to the protection products, any design that is beneficial to users will affect the sales volume and market in the protection product market. The role, which plays a pivotal role, is the key to redesigning the people in this industry.

Therefore, the new creators have designed and applied such protection stickers based on the problems and lacks in the use of the protective stickers. They have collected and reviewed relevant materials through various evaluations and considerations, and have continuously tried and modified the years of research and development experience in this industry. A new layered structure was born.

The main purpose of the present invention is to protect the film from the surface of one side of the film to form a functional film layer, and the film has an adhesive layer formed on the other side surface of the anti-fingerprint layer to form a layered structure. The adhesive layer of the protective film can be evenly attached to the screen surface of the electronic device, and has good adhesion and venting property, and is not easy to cover the air to generate bubbles, so that the functional film layer has good wiping property. Anti-smudge and wear resistance, and reduce the glare caused by the reflection of external light source, and because the protective film has high light transmittance and low haze optical effect, the influence on the brightness of the screen is small, the screen picture remains clear, and the blue light is effectively reduced. Eye discomfort or injury, can also add bright powder and have a unique shiny diamond or mirror effect, the overall color is more vivid and delicate, can also use the functional film layer has good impact resistance to protect the screen of the electronic device is not easy Damaged by falling, artificial crushing or external impact rupture.

1‧‧‧protective film

11‧‧‧ diaphragm

12‧‧‧ functional film

12a‧‧‧Anti-fingerprint layer

12b‧‧‧Anti-glare surface

12c‧‧‧Blue light layer

12d‧‧‧Mirror layer

12e‧‧ ‧ impact resistant layer

121‧‧‧Protective film

13‧‧‧Adhesive layer

131‧‧‧ release film

2‧‧‧Electronic devices

21‧‧‧ screen

The first figure is an exploded perspective view of the first preferred embodiment of the creation.

The second figure is a side cross-sectional view of the protective film of the second preferred embodiment of the present invention.

The third figure is a side cross-sectional view of the protective film of the third preferred embodiment of the present invention.

The fourth figure is a side cross-sectional view of the protective film of the fourth preferred embodiment of the present invention.

Figure 5 is a side cross-sectional view showing the protective film of the fifth preferred embodiment of the present invention.

Figure 6 is a side cross-sectional view showing the protective film of the sixth preferred embodiment of the present invention.

In order to achieve the above objectives and effects, the technical means and its construction adopted in the present invention are described in detail in the preferred embodiment of the present invention, and the structure and function are as follows.

Please refer to the first, second, third, fourth, fifth and sixth figures, which are respectively an exploded perspective view of the first preferred embodiment of the creation, a side sectional view of the protective film of the second preferred embodiment, and a third A side cross-sectional view of the protective film of the preferred embodiment, a side cross-sectional view of the protective film of the fourth preferred embodiment, a side cross-sectional view of the protective film of the fifth preferred embodiment, and a side of the protective film of the sixth preferred embodiment As seen from the cross-sectional view, it is clear that the present invention includes a protective film 1 having a film 11 and a functional film layer 12 formed on one surface of the film 11 and A protective film 121 is attached to the surface of the functional film layer 12, and an adhesive layer 13 is formed on the other side surface of the film 11 opposite to the functional film layer 12, and a release film 131 is attached to the surface of the adhesive layer 13. The protective film 1 is a layered structure.

Furthermore, the diaphragm 11 of the protective film 1 can be preferably made of polyethylene terephthalate (PET), but in practical applications, it can also be polycarbonate (PC) or polyethylene (PE). ), polymethacrylate (PMMA) or other polymer plastic material, and the functional film layer 12 is preferably implemented by a special optical coating and surface hardening treatment (Hard Coat, HC) to form an anti-fingerprint Layer (Anti- Fingerprint) 12a has good wiping, anti-staining and abrasion resistance for fingerprints, cosmetics, etc., but in practical applications, the functional film layer 12 can also be formed by special optical coating and surface hardening treatment. Anti-glare surface layer 12b, and diffuse reflection principle can diffuse and reflect the light of external light source to eliminate or reduce the glare reflection caused by reflection of ambient light to achieve anti-glare effect, or functional film layer 12 can be a blue light cut layer 12c formed by special optical coating and surface hardening treatment, and can block about 21% to 43% of blue visible light emitted by a light emitting diode (LED) light source. (The wavelength is between 380 and 495 nm), which can effectively reduce the fatigue or damage of the acid sputum caused by the blue light reaching the retina for a long time, and the blue light layer 12c can be gray, white, light yellow or other transparent. The color of the light is used to alleviate the visual discomfort, and the functional film layer 12 may be a mirror layer 12d formed by a special optical coating and surface hardening treatment, and the functional film layer 12 further It is made of brightly colored powders (such as crystal diamonds, pearls, silver powder, etc.) with a unique color, and has a unique sparkling powder or mirror effect, or the functional film layer 12 can be made of polyethylene terephthalate ( PET) or thermoplastic polyurethane (TPU) is formed by coating the impact resistant layer 12e with an overall light transmittance of 89%, a haze of 1.2%, and a surface hardness of 4H, so that the protective film 1 has Good impact resistance, high light transmittance and low haze optical effects.

However, the protective film 121 attached to the surface of the functional film layer 12 of the protective film 1 may be made of polyethylene terephthalate (PET) or polyethylene (PE), and has high cleanliness and is not easily contaminated. And the good tearing of the residual glue, so that the protective film 1 finished product can maintain the original appearance and gloss of the surface, can improve the quality and effect of the film, and protect the film 1 of the film 1 An Adhering Layer 13 is formed on the other side surface of the functional film layer 12 by coating with a enamel enamel.

One of the best embodiments of the layered structure of the creative protection sticker is applicable to a smart phone, but in practical applications, it can also be applied to a computer screen, a notebook computer, a tablet computer, a digital camera, an e-book, The car navigation, the small game machine, the touch screen or other electronic device 2 can tear off the release film 131 on the adhesive layer 13 and make the adhesive layer 13 correspond to the screen 21 of the electronic device 2, and then The protective film 1 is uniformly adhered to the surface of the screen 21 by the adhesive layer 13 to form a flat shape. Since the adhesive force of the adhesive layer 13 is between 2 and 20 g/inch, the adhesive layer has good adhesion and venting property, so as to protect the film. When the film 1 is attached, it is not easy to cover the air to generate bubbles, so that the user can perform filming and increase the appearance of the overall surface, and then the protective film 121 on the functional film layer 12 is peeled off, and the protective film 121 has high cleanliness and goodness. If you don't remove the glue, you can improve the quality and effect of the film.

When the user's finger touches the screen 21 of the electronic device 2, the anti-fingerprint layer 12a formed by the special optical coating and the surface hardening treatment (Hard Coat, HC) of the functional film layer 12 of the protective film 1 is good. The wiping property, anti-fouling and abrasion resistance are not only convenient for the user to wipe cleanly with a cleaning cloth or toilet paper, but also reduce the light reflection of the external light source by the anti-glare surface layer 12b to improve the viewing angle. The glare, and the overall transmittance of the diaphragm 11 is between 45 and 93%, which has little effect on the brightness of the screen, so that the light is bright enough, the screen image remains clear, and the discomfort caused by light reflection is reduced, or The blue light layer 12c is used to block the blue light to protect the eyes, so as to effectively reduce the discomfort or damage caused by the long-term exposure of the eyes to the acid fatigue caused by the blue light, and the unique shiny powder or mirror effect can be transmitted through the mirror layer 12d, and the overall color is more Bright and delicate, but also profitable The screen 21 for protecting the electronic device 2 with the impact resistant layer 12e is not easily damaged by dropping, artificial extrusion or external force impact cracking, and is more competitive with the product.

The above detailed description is intended to illustrate a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and other equivalents and modifications may be made without departing from the spirit of the invention. Changes are to be included in the scope of patents covered by this creation.

In summary, the layered structure of the above-mentioned protective stickers can indeed achieve its efficacy and purpose. Therefore, this creation is a practical and excellent creation, which is in line with the application requirements of the new patent, and the application is submitted according to law. The Commission will grant this case as soon as possible to protect the hard work of the new creators. If there is any doubt in the bureau, please do not hesitate to give a letter, and the new creators will try their best to cooperate with them.

1‧‧‧protective film

11‧‧‧ diaphragm

12‧‧‧ functional film

12a‧‧‧Anti-fingerprint layer

121‧‧‧Protective film

13‧‧‧Adhesive layer

131‧‧‧ release film

Claims (10)

The layered structure of the protective sticker comprises a protective film, wherein the protective film has a functional film layer formed on one surface of the film, and a predetermined protective film is attached on the surface of the functional film layer, and the film An adhesive layer is formed on the other side of the anti-fingerprint layer on the sheet, and a predetermined release film is adhered on the surface of the adhesive layer to form a layered structure. The layered structure of the protective tape according to claim 1, wherein the protective film has a film transmittance of between 45 and 93%. The layered structure of the protective tape according to claim 1, wherein the functional film of the protective film is subjected to a special optical coating and surface hardening treatment. The layered structure of the protective tape according to claim 3, wherein the functional film of the protective film is an anti-fingerprint layer. The layered structure of the protective tape according to claim 3, wherein the functional film of the protective film is an anti-glare surface layer. The layered structure of the protective tape according to claim 3, wherein the functional film of the protective film is a blue light filtering layer and can block blue visible light emitted by 21% to 43% of the light source. The layered structure of the protective tape according to claim 3, wherein the functional film of the protective film is a mirror layer. The layered structure of the protective tape according to claim 3, wherein the functional film layer of the protective film is further provided with a uniformly distributed bright powder. The layered structure of the protective tape according to claim 1, wherein the functional film of the protective film is made of polyethylene terephthalate (PET) or thermoplastic polyurethane Epoxy (TPU) is an impact resistant layer formed by coating. The layered structure of the protective tape according to claim 1, wherein the protective film has an adhesive layer adhesion of between 2 and 20 g/inch.