CN218782429U

CN218782429U - Multilayer composite polarizer

Info

Publication number: CN218782429U
Application number: CN202222395034.8U
Authority: CN
Inventors: 王小林; 何畅; 刘延升
Original assignee: Henan Qiongjie Intelligent Technology Co ltd
Current assignee: Henan Qiongjie Intelligent Technology Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-03-31
Anticipated expiration: 2032-09-07

Abstract

The utility model relates to an optical film piece field discloses a compound polaroid of multilayer, including the polaroid, the polaroid is including leaving the type membrane, it is provided with the pressure-sensitive adhesive to leave the fixed type epimembranal end, the fixed first cellulose triacetate that is provided with of pressure-sensitive adhesive upper end, the fixed polyvinyl alcohol that is provided with in first cellulose triacetate upper end, the fixed second cellulose triacetate that is provided with in polyvinyl alcohol upper end, the polaroid upper end just is located the bonding of the interior protection film outside and is provided with the outer protection film, the outer protection film includes high temperature resistant layer, the fixed waterproof layer that is provided with of high temperature resistant layer lower extreme, the outer protection film is all fixed in the middle part all around and is provided with the registration film, polaroid and the equal activity in outer protection film four corners are provided with protection angle shell. The utility model discloses in, the device can the damping waterproof simultaneously can protect the four corners of polaroid, improves the life-span of polaroid, increases its practicality.

Description

Multilayer composite polarizer

Technical Field

The utility model relates to an optical film field especially relates to a compound polaroid of multilayer.

Background

The polarizer is called a polarizer because the polarizer facing the eyes of a common liquid crystal display is frosted to dissipate surface reflection and scatter light to increase the viewing angle of the liquid crystal display, and any scattering causes light loss for a projector, and the ideal state of the liquid crystal for the projector should be a 0-degree viewing angle, i.e. viewing the liquid crystal from the vertical direction, there is no light, which is impossible to realize, but the closer to the 0-degree viewing angle, the higher the light utilization rate, so that after the frosted polarizer is replaced by the flat polarizer, the brightness of the projector on the wall can be greatly improved, which can be improved by about 50-80%, and the basic structure of the polarizer comprises: the most middle of the polarizers are PVA (polyvinyl alcohol), two layers of TAC (triacetylcellulose), PSA film, release film and Protective film, wherein the PVA layer plays a role in polarization, but the PVA is very easy to hydrolyze, in order to protect the physical characteristics of the polarizing film, a (TAC) film with high light transmittance, good water resistance and certain mechanical strength is compounded on two sides of the PVA for protection, so that a polarizer original plate is formed.

Through search, the prior patent (publication number: CN 214474074U) discloses a composite polarizer, which is not easy to separate and has better reliability, but has a problem of extremely poor protection effect on the polarizer itself, thereby causing damage to the polarizer due to improper operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the compound polaroid of multilayer that proposes, the device can be protected the four corners of polaroid by waterproof ability simultaneously of shock attenuation, improves the life-span of polaroid, increases its practicality.

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

a multilayer composite polarizer comprises a polarizer, wherein the polarizer comprises a release film, the upper end of the release film is fixedly provided with a pressure-sensitive adhesive, the upper end of the pressure-sensitive adhesive is fixedly provided with a first cellulose triacetate, the upper end of the first cellulose triacetate is fixedly provided with polyvinyl alcohol, the upper end of the polyvinyl alcohol is fixedly provided with a second cellulose triacetate, and the outer protective film is adhered to the upper end of the polarizer and positioned outside an inner protective film;

the outer protective film comprises a high-temperature-resistant layer, a waterproof layer is fixedly arranged at the lower end of the high-temperature-resistant layer, positioning films are fixedly arranged in the middle of the periphery of the outer protective film, and protective angle shells are movably arranged at four corners of the polarizer and the outer protective film;

through the technical scheme, the outer protective film can protect the polaroid, the high temperature resistant layer can prevent that the high temperature from causing the damage to the polaroid, the waterproof layer can prevent that the water from dripping on the polaroid, cause the damage to the polaroid, the buffer layer can prevent that the heavy object from dropping on the polaroid, cause the damage to the polaroid, improve the security of polaroid, four bonding rings are fixed on the screen earlier, fix the polaroid again, prevent the slope of polaroid angle when using, guarantee that this polaroid overall stability obtains promoting, protection angle shell and draw-in groove can protect the four corners of polaroid.

Further, a buffer layer is fixedly arranged at the lower end of the waterproof layer;

through the technical scheme, the buffer layer is used for buffering and protecting the polaroid.

Further, a base layer is fixedly arranged at the lower end of the buffer layer.

Furthermore, the lower ends of the four positioning films are fixedly provided with bonding rings;

through above-mentioned technical scheme, fix a position through the adhesive ring and paste.

Furthermore, clamping grooves are formed in the four protection angle shells;

through above-mentioned technical scheme, come the protection to polaroid and outer protection film four corners through the draw-in groove.

Furthermore, four corners of the polarizer and the outer protective film are respectively clamped in corresponding clamping grooves;

through above-mentioned technical scheme, will polaroid and the four corners of outer protection film block through the draw-in groove.

Further, an inner protective film is fixedly arranged at the upper end of the second cellulose triacetate.

The utility model discloses following beneficial effect has:

1. the utility model provides a pair of compound polaroid of multilayer, the device can protect the polaroid through the outer protection film that sets up, and high temperature resistant layer can prevent that the high temperature from causing the damage to the polaroid, and the waterproof layer can prevent that the water droplet from dropping on the polaroid, causes the damage to the polaroid, and the buffer layer can prevent that the heavy object from dropping on the polaroid, causes the damage to the polaroid, improves the security of polaroid, avoids causing the damage at the in-process of transportation.

2. The utility model provides a pair of compound polaroid of multilayer, the device can fix a position its when using through the registration film and the bond ring that set up, fixes the polaroid again on the screen earlier through four bond rings, prevents the slope of polaroid angle when using, guarantees that this polaroid overall stability obtains promoting, and life obtains the extension, and can make closely laminating between this polaroid and the display panel, prevents to drop.

3. The utility model provides a pair of compound polaroid of multilayer, the device can protect the four corners of polaroid through the protection angle shell and the draw-in groove that set up, prevents at the in-process of transportation, and the four corners is damaged to some extent, improves the life-span of polaroid.

Drawings

Fig. 1 is a bottom view of a multilayer composite polarizer according to the present invention;

fig. 2 is a schematic structural diagram of a polarizer of a multilayer composite polarizer according to the present invention;

fig. 3 is a schematic view of a protective angle case of a multilayer composite polarizer according to the present invention;

fig. 4 is a schematic view of the layered structure of the outer protective film of the multilayer composite polarizer according to the present invention.

Illustration of the drawings:

1. a polarizer; 2. a release film; 3. a pressure sensitive adhesive; 4. a first cellulose triacetate; 5. polyvinyl alcohol; 6. a second cellulose triacetate; 7. an inner protective film; 8. an outer protective film; 9. a high temperature resistant layer; 10. a waterproof layer; 11. a buffer layer; 12. a base layer; 13. positioning the film; 14. a bonding ring; 15. a protective corner shell; 16. a clamping groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a multilayer composite polarizer comprises a polarizer 1, wherein the polarizer 1 comprises a release film 2, the upper end of the release film 2 is fixedly provided with a pressure-sensitive adhesive 3, the upper end of the pressure-sensitive adhesive 3 is fixedly provided with a first cellulose triacetate 4, the upper end of the first cellulose triacetate 4 is fixedly provided with a polyvinyl alcohol 5, the upper end of the polyvinyl alcohol 5 is fixedly provided with a second cellulose triacetate 6, and the outer protective film 8 is adhered to the upper end of the polarizer 1 and is positioned outside an inner protective film 7;

the outer protective film 8 comprises a high temperature resistant layer 9, a waterproof layer 10 is fixedly arranged at the lower end of the high temperature resistant layer 9, positioning films 13 are fixedly arranged in the middle of the periphery of the outer protective film 8, and protective angle shells 15 are movably arranged at four corners of the polaroid 1 and the outer protective film 8;

through the technical scheme, outer protection film 8 can protect polaroid 1, high temperature resistant layer 9 can prevent that the high temperature from causing the damage to polaroid 1, waterproof layer 10 can prevent that the water droplet from falling on polaroid 1, cause the damage to polaroid 1, buffer layer 11 can prevent that the heavy object from dropping on polaroid 1, cause the damage to polaroid 1, improve polaroid 1's security, four bonding rings 14 are fixed on the screen earlier, fix polaroid 1 again, prevent the slope of 1 angle of polaroid when using, guarantee that 1 overall stability of this polaroid obtains promoting, protection angle shell 15 and draw-in groove 16 can protect the four corners of polaroid 1.

Waterproof layer 10 lower extreme is fixed and is provided with buffer layer 11, carry out buffer protection to polaroid 1 through buffer layer 11, the fixed basic unit 12 that is provided with of buffer layer 11 lower extreme, four 13 lower extremes of location membrane are all fixed and are provided with adhesive ring 14 and fix a position through adhesive ring 14 and paste, four protection angle shells 15 are inside all seted up draw-in groove 16, come to protect

polaroid

1 and 8 four corners of outer protection film through draw-in groove 16,

polaroid

1 and 8 four corners of outer protection film joint respectively in the draw-in groove 16 that corresponds, it blocks

polaroid

1 and 8 four corners of outer protection film through draw-in groove 16, 6 upper ends of second cellulose triacetate are fixed and are provided with interior protection film 7.

The working principle is as follows: this compound polaroid of multilayer during the use, outer protection film 8 can protect polaroid 1, high temperature resistant layer 9 can prevent that the high temperature from causing the damage to polaroid 1, waterproof layer 10 can prevent that the water droplet from falling on polaroid 1, cause the damage to polaroid 1, buffer layer 11 can prevent that the heavy object from dropping on polaroid 1, cause the damage to polaroid 1, improve polaroid 1's security, avoid causing the damage in the in-process of transportation, four bonding rings 14 fix on the screen earlier, fix polaroid 1 again, prevent the slope of polaroid 1 angle of a square when using, guarantee that this polaroid 1 overall stability is promoted, life obtains the extension, protection angle shell 15 and draw-in groove 16 can protect the four corners of polaroid 1, prevent the in-process in the transportation, there is damage in the four corners.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A multilayer composite polarizer comprising a polarizer (1), characterized in that: the polaroid (1) comprises a release film (2), a pressure-sensitive adhesive (3) is fixedly arranged at the upper end of the release film (2), a first cellulose triacetate (4) is fixedly arranged at the upper end of the pressure-sensitive adhesive (3), a polyvinyl alcohol (5) is fixedly arranged at the upper end of the first cellulose triacetate (4), a second cellulose triacetate (6) is fixedly arranged at the upper end of the polyvinyl alcohol (5), and an outer protective film (8) is arranged at the upper end of the polaroid (1) and positioned at the outer side of an inner protective film (7) in a bonding manner;

the outer protection film (8) comprises a high temperature resistant layer (9), a waterproof layer (10) is fixedly arranged at the lower end of the high temperature resistant layer (9), a positioning film (13) is fixedly arranged in the middle of the periphery of the outer protection film (8), and protection angle shells (15) are movably arranged at four corners of the polaroid (1) and the outer protection film (8).

2. The multilayer composite polarizer according to claim 1, wherein: and a buffer layer (11) is fixedly arranged at the lower end of the waterproof layer (10).

3. The multilayer composite polarizer according to claim 2, wherein: and a base layer (12) is fixedly arranged at the lower end of the buffer layer (11).

4. The multilayer composite polarizer according to claim 1, wherein: the lower ends of the four positioning films (13) are all fixedly provided with bonding rings (14).

5. The multilayer composite polarizer according to claim 1, wherein: the four protection angle shells (15) are all internally provided with clamping grooves (16).

6. The multilayer composite polarizer according to claim 1, wherein: four corners of the polaroid (1) and the outer protective film (8) are respectively clamped in the corresponding clamping grooves (16).

7. The multilayer composite polarizer according to claim 3, wherein: and an inner protective film (7) is fixedly arranged at the upper end of the second cellulose triacetate (6).