TWM510855U - Screen protection patch with fingerprint resistance and blue light filtering - Google Patents

Description

Anti-fingerprint filter blue screen protector

The invention relates to a screen protection product applied to an electronic product such as a mobile phone or a tablet computer, and more particularly to an anti-fingerprint blue light screen protection sticker which is provided by combining a plurality of layers of anti-blue light layers by means of a vacuum coating method.

With the popularity of electronic products such as mobile phones and tablet PCs, modern people often spend a considerable amount of time staring at the screens of mobile phones and tablet computers for communication, reading, data inquiry, video or games, but long-term eyes. Looking at the screen of electronic products, it is very easy to cause damage to the eyes and cause various eye diseases to occur frequently. In order to alleviate the problem of electronic screen damage to the user's eyes and protect the screen from scratches or collisions, the relevant companies have developed and designed the TWM455622 "Blue Screen Screen Protector", TWM486548 "High Through A screen protector product having a protective effect is disclosed in a patent document such as a light-filtering blue light super-water-repellent slick-proof oleophobic glass base layer screen protector and a TWM 494 919 "Structure of an anti-blue-ray protective sticker".

Taking the novel patent of TWM494919 as an example, the composition includes a bonding layer, a second optical coating layer, a base layer, a first optical coating layer and a surface layer, which are sequentially disposed, and the bonding layer is used The screen protector is attached to the screen of the electronic product. When the light hits the anti-blue layer of the two layers of optical coating, the blue-resistant layer reflects and converts the blue light into white light, and the contrast sensitivity is improved by double-layer reflection. , to achieve anti-blue light to reduce eye discomfort and improve contrast sensitivity. However, according to the applicant's research and test, although the existing screen protector such as the new patent case TWM494919 has been able to provide anti-fingerprint or blue-light filtering function, but because the structural design is not perfect, the following aspects exist in the implementation. The problems described are as follows: 1. The existing screen protector is a method in which an anti-blue layer is bonded to the base layer by means of optical coating. Since the bonding force of the optical coating is poor, the problem of peeling off against the blue layer is likely to occur. 2. The existing screen protector usually has 1 to 2 layers of optical coating layer. Please refer to the test result of optical software simulation shown in Figure 4, setting the optical transmittance of the 2 layers of optical coating layer not only in the short wavelength section. It is difficult to effectively filter out violet or blue light, and the light transmittance in the middle and high wavelength sections (500–700 nm) is not significantly improved, which affects the penetration of visible light and causes the brightness of the screen to decay. 3. The adhesive layer of the existing screen protector is an ordinary silicone layer, which will cause the attenuation of light transmittance.

In order to solve the shortcomings and limitations of the existing screen protector, such as easy flaking and poor light transmittance, the main purpose of the present invention is to propose a screen protector against fingerprint blue light, which utilizes physical vapor deposition (PVD). The vacuum coating method combines most of the layer of anti-blue layer on the base layer, and uses the optical adhesive layer to bond the silicone layer to the base layer, effectively solving various technical problems existing in the existing screen protector, and improving the practical performance of the screen protector. .

The anti-fingerprint blue-screen screen protector proposed by the invention solves the technical problem, comprising: a base layer which is a high light transmissive sheet with supporting ability; and a blue filter layer which is attached and attached to the top surface of the base layer And a vacuum coating layer having four or more stacked layers, at least one anti-blue layer is disposed on each vacuum coating layer; a surface layer is attached to the top surface of the blue filtering layer and is highly transparent with anti-fingerprint And a bonding layer attached to the bottom surface of the base layer and having an optical adhesive layer attached to the base layer and a silicone layer attached to the optical adhesive layer.

The screen protector, wherein the blue light filtering layer comprises four or six layers of the vacuum coating layer.

Compared with the prior art, the enhancements obtained by the novel technical means include: 1. The present invention utilizes a physical vapor deposition (PVD) vacuum coating method to bond a plurality of layers of anti-blue light layers to the base layer, enabling the anti-blue layer It has excellent adhesion and adhesion effect, improving the durability and light transmission effect of the screen protector. 2. The blue filter layer of the novel comprises four or more vacuum coating layers, which not only can effectively produce the effect of filtering blue light, but also maintain high penetration efficiency in the wavelength range of 500-700 nm, effectively avoiding the screen. The brightness is attenuated by setting the screen protector. 3. The adhesive layer of the present invention comprises an optical adhesive layer and a silicone adhesive layer, and the optical adhesive layer is arranged to form a close-contact effect between the adhesive layer and the base layer, thereby effectively improving the high light transmission efficiency of the screen protector. 4. The surface layer of the novel has anti-fingerprint property and can produce anti-fingerprint performance.

A first preferred embodiment of the anti-fingerprint blue-screen screen protector of the present invention is shown in FIG. 1 and FIG. 2 . The screen protector comprises a base layer 10 , a blue light-emitting layer 20 bonded to the base layer 10 , and a The surface layer 30 of the blue light filtering layer 20 is bonded, and a bonding layer 40 bonded to the base layer 10 is bonded. among them:

The base layer 10 is a thin sheet having high light transmittance and supporting ability and has a top surface and a bottom surface, and the base layer 10 may be an acrylic sheet, a polyethylene terephthalate (PET) sheet or a glass. For thin sheets such as sheets, the present invention is not particularly limited.

The blue light filtering layer 20 has a top surface and a bottom surface, and the bottom surface is bonded to the top surface of the base layer 10. The blue light filtering layer 20 is composed of a plurality of layers of the vacuum coating layer 21, and each vacuum coating layer 21 is formed. At least one anti-blue layer 22 is included. In the first preferred embodiment as shown, the blue screen layer 20 is stacked with six layers of vacuum coating layer 21.

The surface layer 30 has a top surface and a bottom surface, and the bottom surface is bonded to the top surface of the blue light filtering layer 20, and the surface layer 30 is a high light transmissive sheet having anti-fingerprint properties.

The bonding layer 40 has a top surface and a bottom surface, and the top surface is bonded to the bottom surface of the base layer 10. The bonding layer 40 includes an optical adhesive layer 41 adhered to the base layer 10 and a film attached to the optical layer 41. The silicone layer 42 of the glue layer 41.

Referring to FIG. 1 and FIG. 2 , the present invention can protect the screen by using the bonding layer 40 to adhere to the screen attached to the mobile phone 50 . The anti-fingerprint property of the surface layer 30 can effectively prevent fingerprints and oil stains from remaining on the surface of the screen protector; and the majority of the blue light-resistant layer 22 of the blue-filter layer 20 can effectively filter out the short-wavelength purple light. And blue light, reducing purple light and blue light into the user's eyes and slowing down the discomfort of watching the screen. The novel can also significantly improve the light transmittance in the range of wavelengths of 500-700 nm, and avoid the screen protection of the mobile phone 50 screen. And cause the attenuation of the brightness.

FIG. 3 is a second preferred embodiment of the present invention. The structural configuration of the embodiment is substantially the same as that of the first preferred embodiment. The distinguishing feature is that the blue light filtering layer 20 of the embodiment is provided with four layers. An embodiment of the vacuum coating layer 21. The novel blue light filtering layer 20 is provided with four layers of anti-blue light layer 22, please refer to the test results simulated by the optical software shown in FIG. 4, which can not only produce a good blocking effect in the short wavelength region, but also in the middle and high wavelength sections (500– The light transmittance of 700 nm) is obviously improved, and the brightness of the screen is effectively avoided. The test results revealed in Fig. 4 show that the structure design proposed by the present invention is obviously superior to the existing screen protector products, and has practical benefits.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any person having ordinary knowledge in the art can use the present invention without departing from the technical features of the present invention. Equivalent embodiments of the novel modifications or modifications made by the novel teachings are still within the scope of the novel features.

10‧‧‧ grassroots
20‧‧‧Blue light layer
21‧‧‧vacuum coating
22‧‧‧Anti-blue layer
30‧‧‧ surface layer
40‧‧‧Fitting layer
41‧‧‧Optical adhesive layer
42‧‧‧ Silicone layer
50‧‧‧Mobile phones

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic illustration of the use of the first preferred embodiment of the present invention. Figure 2 is a cross-sectional view showing the constitution of the first preferred embodiment of the present invention. Figure 3 is a cross-sectional view showing the constitution of a second preferred embodiment of the present invention. Fig. 4 is a graph showing the comparison of the transmittances of the four layers of the vacuum coating layer and the two layers of the optical coating layer at different wavelengths by optical software simulation.

10‧‧‧ grassroots

20‧‧‧Blue light layer

21‧‧‧vacuum coating

22‧‧‧Anti-blue layer

30‧‧‧ surface layer

40‧‧‧Fitting layer

41‧‧‧Optical adhesive layer

42‧‧‧ Silicone layer

Claims (3)

An anti-fingerprint blue-screen screen protector comprises: a base layer which is a high light transmissive sheet with supporting ability; a blue filter layer which is attached and attached to the top surface of the base layer and has a stacking arrangement of four or more layers The vacuum coating layer comprises at least one anti-blue layer on each vacuum coating layer; a surface layer attached to the top surface of the blue filter layer and having a high light transmissive sheet with anti-fingerprint; and a sticker The layer is attached to the bottom surface of the base layer and has an optical adhesive layer attached to the base layer and a silicone layer attached to the optical adhesive layer. The anti-fingerprint blue-screen screen protector of claim 1, wherein the blue-filter layer comprises six layers of the vacuum coating layer. The anti-fingerprint blue-screen screen protector of claim 1, wherein the blue-filter layer comprises four layers of the vacuum coating layer.