JP3165112U - Multi-layer LCD protective film structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a multi-layer liquid crystal protective film structure having a plurality of layers of liquid crystal protective films bonded to each other. Each liquid crystal protective film 1 includes an optical film 11 and an adhesive layer 12 provided on the back surface of the optical film. The liquid crystal protective films are arranged so that the viscosity of the adhesive layer gradually increases from the uppermost layer to the lower layer, or the viscosities are the same. The liquid crystal protective film of each layer is arranged so that the adhesive layer on the back surface of the upper liquid crystal protective film is attached to the surface of the adjacent lower liquid crystal protective film. [Selection diagram] FIG. 1A

Description

  The present invention relates to a liquid crystal protective film, and more particularly to a multi-layer liquid crystal protective film structure to be attached to a display surface.

  Conventionally, it is known that liquid crystal protective films are widely used in electronic products such as mobile phones, cameras, and portable multimedia players.

  The existing LCD protective film has only a single-layer structure made of plastic materials, has translucency and flexibility, and there is an adhesive film on the back of the LCD protective film. Laminate with release film. When trying to use a liquid crystal protective film, the release film is first peeled off from the liquid crystal protective film, and the adhesive film of the liquid crystal protective film is applied to the display, thereby achieving the effect of protecting the display.

  However, in the above-described conventional technology, when the liquid crystal protective film is damaged, it is necessary to apply a new liquid crystal protective film, so that the replacement is troublesome for the user, and a lot of discarded release films are generated. There was a problem.

  The present invention has been made in view of such conventional problems. In order to solve the above-mentioned problems, an object of the present invention is to provide a multi-layer liquid crystal protective film structure for a user to more conveniently and effectively protect a display.

  In order to achieve the object of solving the above-described problems, a multi-layer liquid crystal protective film structure according to the present invention has a multi-layer liquid crystal protective film bonded to each other, and each liquid crystal protective film includes an optical film and the above-mentioned An adhesive layer provided on the back surface of the optical film, wherein the plurality of adhesive layers are sequentially increased in viscosity such that the uppermost adhesive layer has a low viscosity and the lowermost adhesive layer is changed to a high viscosity, or Are the same. Between the liquid crystal protective films of each layer, the adhesive layer on the back surface of the upper liquid crystal protective film is pasted on the surface of the lower liquid crystal protective film.

The present invention has the following advantages.
(1) Even when the surface layer of the liquid crystal protective film according to the present invention is damaged, if the damaged liquid crystal protective film is peeled off, it can be used continuously to protect the display. Therefore, not only is it convenient in use, but according to such means, only one release film can be used, and waste can be reduced.
(2) The protective effect is good. Since the present invention has a large number of layers, it has a preferable effect of preventing scratches and preventing impacts.
(3) Separation is easy. The index plate formed of the multi-layered liquid crystal protective film structure according to the present invention is convenient for the user to peel off the liquid crystal protective film to be removed, and on the periphery of the liquid crystal protective film of each layer as follows: By providing the guide plate, any one of the liquid crystal protective films having a plurality of layers can be selectively removed.

It is the schematic of the optical film which concerns on this invention. It is the schematic when the optical film which concerns on this invention is a plastic film. It is the schematic when the optical film which concerns on this invention is a damage prevention film. It is the schematic when the optical film which concerns on this invention is an antiglare film. It is the schematic when the optical film which concerns on this invention is an antireflection film. It is the schematic when the optical film which concerns on this invention is a fingerprint prevention film. It is the schematic when the optical film which concerns on this invention is a peep prevention film. It is the schematic when the optical film which concerns on this invention is a specular reflection film. It is the schematic when the optical film which concerns on this invention is a 3D solid film. It is the schematic of the multilayer film protective film structure concerning this invention. 1 is a schematic view when a multi-layer liquid crystal protective film structure according to the present invention is applied to a notebook computer. 1 is a schematic view when a multi-layer liquid crystal protective film structure according to the present invention is applied to a mobile phone. It is the schematic of 2nd Embodiment which concerns on this invention. It is a partially expanded view of 2nd Embodiment which concerns on this invention. It is the schematic of 3rd Embodiment which concerns on this invention. It is the schematic of another usage method in 3rd Embodiment which concerns on this invention.

Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the drawings. The present invention is not limited to the embodiments described below.
[First Embodiment]
First, a first embodiment of the multi-layer liquid crystal protective film structure of the present invention will be described.

  FIG. 1A to FIG. 3 show a multi-layer liquid crystal protective film structure including a multi-layer liquid crystal protective film 1 bonded to each other according to the present invention, and each liquid crystal protective film 1 is an optical film 11 and the back surface of the optical film 11. The adhesive layer 12 is provided.

  The plurality of optical films 11 may be plastic films 111 (see FIG. 1B). FIG. 1C shows a case where the plurality of optical films 11 are all scratch-preventing films 112. The scratch prevention film 112 is formed by subjecting the plastic film 111 to a surface hardening treatment, and is strengthened to enhance the scratch prevention ability.

  FIG. 1D shows a case where the plurality of optical films 11 are all antiglare films 113. The antiglare film 12 is formed by subjecting the plastic film 111 to an atomization process such as sandblasting to disperse the light rays so that the user does not feel light reflection. FIG. 1E shows the case where all of the plurality of optical films 11 are antireflection films 114. By disposing the antireflection film 114, the effect of reducing the light reflection effect of the liquid crystal protective film 1 can be achieved.

  FIG. 1F shows a case where the plurality of optical films 11 are all anti-fingerprint films 115. By disposing the anti-fingerprint film 115, it is not necessary to leave fingerprints or oil stains on the surface of the liquid crystal protective film 1. FIG. 1G shows a case where the plurality of optical films 11 are all peep prevention films 116. The peep prevention film 116 controls the reflection of light mainly by a microlouver light technique and a precise bonding technique, and even if it is going to see the contents of the display from the side, a predetermined angle with respect to both ends of the liquid crystal protective film structure of a plurality of layers. Beyond, you can only see a black screen.

  FIG. 1H shows a case where the plurality of optical films 11 are all specular reflection films 117. The specular reflection film 117 is manufactured by utilizing the principle of reflected light technology that displays highlights by condensing light. FIG. 1I shows a case where the plurality of optical films 11 are all 3D solid films 118. The 3D three-dimensional film 118 employs an optical resin material and is integrally molded by a special method. The 3D three-dimensional film 118 has a 3D curved convex body.

  Further, the plurality of optical films 11 may be any one of a plastic film 111, a scratch prevention film 112, an antiglare film 113, an antireflection film 114, an anti-fingerprint film 115, a peep prevention film 116, a specular reflection film 117, and a 3D three-dimensional film 118. One or more combinations may be used, and FIG. 1J illustrates one of them.

  The adhesive layer 12 was provided on the back surface of the optical film 11, and the adhesive layer 12 was closely bonded to the back surface of the optical film 11, so that it was difficult to peel the adhesive layer 12 from the optical film 11 by hand. Moreover, as for the liquid crystal protective film 1 of any two layers of the liquid crystal protective film structure of a multiple layer, the adhesive layer 12 in the back surface of the liquid crystal protective film 1 is stuck on the liquid crystal protective film 1 surface which adjoins. Laminated. When the upper liquid crystal protective film 1 is to be removed, the adhesive layer 12 of the liquid crystal protective film 1 can be separated from the surface of the lower liquid crystal protective film 1 by peeling it off manually.

  The viscosity of the adhesive layer 12 is the weakest of the adhesive layer 12 of the uppermost liquid crystal protective film 1, and the viscosity of the adhesive layer 12 of the liquid crystal protective film 1 increases as it goes down, and the adhesion of the lowermost liquid crystal protective film 1 The layers 12 may be arranged to have the strongest viscosity, or the plurality of adhesive layers 12 may all have the same viscosity. Thus, when the uppermost liquid crystal protective film 1 is removed, the next lower liquid crystal protective film 1 is not removed together, and the user can use it conveniently.

  The adhesive layer 12 may be an adhesive layer that is adsorbed by static electricity, or may be an adhesive adhesive layer. Furthermore, the liquid crystal protective film 1 of the present invention has a characteristic that no adhesive remains even if it is peeled off or pasted many times.

  The multi-layer liquid crystal protective film structure further includes a release film 2 attached to the adhesive layer 12 of the lowermost liquid crystal protective film 1 of the multi-layer liquid crystal protective film structure. Further, the multi-layer liquid crystal protective film structure further includes a protective film 6 and an adhesive layer 61 applied to the back surface of the protective film, and the adhesive layer 61 is the top layer of the liquid crystal protective film structure of the multi-layer liquid crystal protective film structure. Affix to the surface. By doing so, the liquid crystal protective film 1 can be prevented from being damaged by the protective film 6 when the multi-layer liquid crystal protective film structure is transported.

  When a multi-layer liquid crystal protective film structure is to be used, the release film 2 is first peeled off, and the adhesive layer 12 of the lowermost liquid crystal protective film 1 of the multi-layer liquid crystal protective film structure is used as the display of the electronic equipment 3. Just paste it. At this time, when bubbles are generated between the display of the electronic equipment 3 and the multi-layer liquid crystal protective film structure (not shown), the characteristics of the multi-layer liquid crystal protective film structure being peeled and pasted many times are used. Then, the operation of peeling or pasting is performed many times until the bubbles between the liquid crystal protective film structure of the multiple layers and the display of the electronic equipment 3 disappear. And finally, the protective film 6 may be peeled off.

The electronic equipment 3 to which the multi-layer liquid crystal protective film structure is applied includes a notebook computer 31 (FIG. 2), a mobile phone 32 (FIG. 3), a camera, a TV, an e-book, a calculator, a wristwatch, a telephone, a refrigerator, a portable player, and a mobile phone. It may be a game machine, a machine tool, a personal digital assistant (PDA), a car navigation device, or a device (not shown) having a display such as a display. In addition, the number of layers of the multi-layer liquid crystal protective film structure can be designed and manufactured according to needs, and the thickness of the multi-layer liquid crystal protective film structure can be controlled to a certain size. Even if the protective film structure is affixed to the display of the electronic equipment 3, no significant difference in height occurs in the display. In addition, a multi-layer liquid crystal protective film structure can be attached to a touch display (not shown), and the user can operate the multi-layer liquid crystal protective film structure to protect the touch display.
[Second Embodiment]
Next, a second embodiment of the multi-layer liquid crystal protective film structure according to the present invention will be described.

4 and 4A show a second embodiment of the present invention. The main difference between the present embodiment and the first embodiment is that the edge of the liquid crystal protective film 1 of each layer in the multi-layer liquid crystal protective film structure is shown in FIG. The index plate 4 is extended and formed. Each index plate 4 is formed at a position not facing each other, and the user can peel off the liquid crystal protective film 1 to be removed using the index plate 4.
[Third Embodiment]
Next, a third embodiment of the multi-layer liquid crystal protective film structure of the present invention will be described.

  FIGS. 5 and 6 show a third embodiment of the present invention. The main difference between the present embodiment and the first embodiment is that a multi-layer liquid crystal protective film structure has at least one guide plate 5 for each layer. It is that we have installed. Each of the guide plates 5 is disposed on the peripheral edge of the surface of each liquid crystal protective film 1. Similarly to the second embodiment, the liquid crystal protective film 1 can be peeled off using the guide plate 5. The guide plate 5 can also be a tool that supports the peeling of the liquid crystal protective film 1 on the surface layer. As shown in FIG. 6, the user can select any one of the guide plates 5 and peel off the liquid crystal protective film 1 on which the guide plates 5 are arranged.

  Although the embodiments of the present invention have been described above, the technical scope of the present invention is not limited to the above embodiments, and various modifications can be made by those skilled in the art without departing from the spirit of the present invention. Is possible.

DESCRIPTION OF SYMBOLS 1 LCD protective film 11 Optical film 111 Plastic film 112 Scratch prevention film 113 Anti-glare film 114 Antireflection film 115 Anti-fingerprint film 116 Peep prevention film 117 Specular reflection film 118 3D solid film 12 Adhesive layer 2 Release film 3 Electronic equipment 31 Notebook PC 32 Cellular Phone 4 Index Plate 5 Guide Plate 6 Protective Film 61 Adhesive Layer

Claims (6)

It has a plurality of liquid crystal protective films bonded together, each liquid crystal protective film includes an optical film, and an adhesive layer provided on the back surface of the optical film,
Each liquid crystal protective film is arranged so that the viscosity of the plurality of adhesive layers sequentially increases from the uppermost layer to the lower layer, or the viscosity is the same,
The liquid crystal protective film of each layer is a multi-layer liquid crystal protective film, wherein the adhesive layer on the back surface of the upper liquid crystal protective film is disposed so as to be stuck on the surface of the adjacent lower liquid crystal protective film Construction.   The plurality of optical films are a combination of at least one selected from a plastic film, an anti-scratch film, an anti-glare film, an anti-reflection film, an anti-fingerprint film, a 3D stereoscopic film, an anti-peep film, or a specular reflection film. The multi-layer liquid crystal protective film structure according to claim 1.   Furthermore, it includes a release film, a protective film, and an adhesive layer applied to the back surface of the protective film, and the release film is attached to the adhesive layer of the lowermost liquid crystal protective film of the multi-layer liquid crystal protective film structure. 2. The multi-layer liquid crystal protective film structure according to claim 1, wherein an adhesive layer of the protective film is attached to an uppermost liquid crystal protective film of the multi-layer liquid crystal protective film structure.   The adhesive layer of the lowermost LCD protective film is a notebook computer, camera, TV, e-book, mobile phone, calculator, wristwatch, phone, refrigerator, portable player, portable game machine, machine tool, personal portable information terminal ( The multi-layer liquid crystal protective film structure according to claim 1, wherein the multi-layer liquid crystal protective film structure is attached to a display of an electronic facility selected from a PDA), a car navigation device, or a display.   2. The multi-layer liquid crystal protective film structure according to claim 1, wherein an index plate is extended and formed at a peripheral portion of each liquid crystal protective film, and each index plate is formed at a position not facing each other.   The multi-layer liquid crystal protective film structure according to claim 1, wherein the multi-layer liquid crystal protective film structure has at least one guide plate 5 attached to the surface of the liquid crystal protective film of each layer. Film structure.

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