CN213338090U

CN213338090U - Reflection-type polaroid structure

Info

Publication number: CN213338090U
Application number: CN202022404508.1U
Authority: CN
Inventors: 卢鹏飞
Original assignee: Shenzhen Mingle Polarizer Materials Technology Co ltd
Current assignee: Shenzhen Mingle Polarizer Materials Technology Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-06-01
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a reflection-type polaroid structure, include from type membrane, pressure sensitive adhesive, first TAC layer, PVA layer, second TAC layer and reflectance coating, from type membrane, pressure sensitive adhesive, first TAC layer, PVA layer, second TAC layer and reflectance coating from interior to exterior bond in proper order, just be provided with compound glue and complex film between second TAC layer and the reflectance coating, compound glue bonds through OCA mutually with second TAC layer, the complex film also bonds through OCA mutually with the reflectance coating, the reflectance coating includes interior protective layer, reflectance coating, antistatic backing and the outer protective layer that from interior to exterior set gradually, interior protective layer and outer protective layer are the modified PET material. The utility model relates to a polaroid technical field has solved current polaroid and has influenced great problem by steam, is favorable to the life of extension piece positive.

Description

Reflection-type polaroid structure

Technical Field

The utility model relates to a polaroid technical field especially relates to a reflection-type polaroid structure.

Background

The polarizer is called a polarizer, and is made of a dichroic material, and when a light wave passes through the polarizer, one of orthogonal polarization components is strongly absorbed by the polarizer, while the other component is weakly absorbed, so that natural light can be converted into linearly polarized light by the polarizer.

The reflection-type LCD mainly comprises a twisted nematic LCD and a super twisted nematic LCD, the structure mainly comprises a liquid crystal box, a front polarizer and a rear polarizer which are respectively attached to the front and the back of the liquid crystal box, wherein the back of the rear polarizer is also provided with a reflection layer, and the surface of the reflection layer is subjected to certain rough treatment to form certain diffuse reflection, so that the display has softer ground color.

In the prior art, the influence of water vapor and oxygen on the AMOLED luminescent layer material and PVA is large, so that the service life of an electronic device is short, and the appearance and the use effect of the polaroid are easily influenced after being scraped.

To this end, we propose a reflective polarizer structure to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a reflection-type polaroid structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a reflection-type polaroid structure, includes from type membrane, pressure sensitive adhesive, first TAC layer, PVA layer, second TAC layer and reflectance coating, from type membrane, pressure sensitive adhesive, first TAC layer, PVA layer, second TAC layer and reflectance coating from interior to exterior bond in proper order, just be provided with compound glue and complex film between second TAC layer and the reflectance coating, compound glue bonds through OCA with second TAC layer mutually, the complex film bonds through OCA with the reflectance coating also mutually, the reflectance coating includes interior protection layer, reflectance coating, antistatic backing and the outer protective layer that from interior to exterior set gradually, interior protection layer and outer protection layer are the modified PET material.

Preferably, a brightness enhancement film is arranged between the compound glue and the composite film, and the compound glue and the composite film are bonded through the brightness enhancement film.

Preferably, the type of the brightness enhancement film is 3M-APF.

Preferably, the antistatic layer is a silica gel type antistatic PET film, and the thickness thereof is 40 um.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses utilize inner protective layer and outer protective layer to realize the protection to the polaroid, promoted its anti steam and anti scraping performance, be favorable to prolonging the life of polaroid, utilize antistatic backing to promote the antistatic backing's of polaroid ability simultaneously, be favorable to promoting the result of use.

Drawings

Fig. 1 is a schematic structural diagram of a reflection-type polarizer structure according to the present invention;

fig. 2 is a schematic structural diagram of a reflective film in a reflective polarizer structure according to the present invention.

In the figure: 1. a release film; 2. a pressure sensitive adhesive; 3. a first TAC layer; 4. a PVA layer; 5. a second TAC layer; 6. compounding glue; 7. a brightness enhancement film; 8. compounding film; 9. a reflective film; 901. an outer protective layer; 902. an antistatic layer; 903. a reflective film layer; 904. and an inner protective layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a reflective polarizer structure comprises a release film 1, a pressure sensitive adhesive 2, a first TAC layer 3, a PVA layer 4, a second TAC layer 5 and a reflective film 9, wherein the release film 1, the pressure sensitive adhesive 2, the first TAC layer 3, the PVA layer 4, the second TAC layer 5 and the reflective film 9 are sequentially bonded from inside to outside and are all cured and bonded by OCA adhesive, a composite adhesive 6 and a composite film 8 are arranged between the second TAC layer 5 and the reflective film 9, the composite adhesive 6 is bonded with the second TAC layer 5 by OCA, the composite film 8 is also bonded with the reflective film 9 by OCA, the reflective film 9 comprises an inner protective layer 904, a reflective film layer 903, an antistatic layer 902 and an outer protective layer 901 which are sequentially arranged from inside to outside, the inner protective layer 904 and the outer protective layer 901 are both made of modified PET materials, a blue-violet light absorber and a diffuser are added in the preparation process of the composite adhesive 6, and the ratio of the blue-violet light absorber and diffuser is respectively 15% and 10%, the blue-violet light absorbent not only effectively improves the relative penetration rate of blue-violet light wave bands of the linearly polarized substrate, realizes the hundred-color LCD base color, and improves the whitening effect by matching with the composite film 8 with the artificial pearlescent pigment.

Wherein, be provided with brightness enhancement film 7 between compound glue 6 and the complex film 8, and compound glue 6 bonds mutually through brightness enhancement film 7 with complex film 8 to improve whole backlight system luminous efficacy, the model of brightness enhancement film 7 is 3M-APF.

Wherein, antistatic backing 902 is the antistatic PET membrane of silica gel type, and its thickness is 40um, and the antistatic PET membrane of silica gel type not only has antistatic function, still has the good high temperature resistance and the high transparency of silica gel simultaneously.

The working principle is as follows: the utility model discloses in, the homogeneous mixing has blue purple light absorbent and diffusant in the compound 6 of gluing, and blue purple light absorbent and diffusant account for respectively 15% and 10%, blue purple light absorbent has not only effectively promoted the relative penetrability of line polarisation base plate blue purple light wave band, LCD base colour whitening has been realized, also can cooperate and add complex film 8 that has artifical pearl pigment to have promoted whitening effect, utilize inner protective layer 904 and outer protective layer 901 to have realized the protection to the polaroid, its steam resistance and scratch resistance ability have been promoted, be favorable to prolonging the life of polaroid, utilize antistatic backing 902 to promote the antistatic backing's of polaroid simultaneously, be favorable to promoting the result of use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A reflection-type polarizer structure comprises a release film (1), a pressure-sensitive adhesive (2), a first TAC layer (3), a PVA layer (4), a second TAC layer (5) and a reflecting film (9), it is characterized in that the release film (1), the pressure-sensitive adhesive (2), the first TAC layer (3), the PVA layer (4), the second TAC layer (5) and the reflecting film (9) are sequentially bonded from inside to outside, and a composite adhesive (6) and a composite film (8) are arranged between the second TAC layer (5) and the reflecting film (9), the composite adhesive (6) is bonded with the second TAC layer (5) through OCA, the composite film (8) and the reflecting film (9) are also bonded through OCA, the reflecting film (9) comprises an inner protective layer (904), a reflecting film layer (903), an anti-static layer (902) and an outer protective layer (901) which are arranged from inside to outside in sequence, the inner protection layer (904) and the outer protection layer (901) are both made of modified PET materials.

2. A reflective polarizer structure according to claim 1, wherein a brightness enhancement film (7) is disposed between the compound adhesive (6) and the compound film (8), and the compound adhesive (6) and the compound film (8) are bonded by the brightness enhancement film (7).

3. A reflective polarizer structure according to claim 2 wherein the brightness enhancing film (7) is of type 3M-APF.

4. A reflective polarizer structure according to claim 1, wherein the anti-static layer (902) is a silicone type anti-static PET film with a thickness of 40 um.