CN216919097U

CN216919097U - Liquid crystal panel packaging composite uniform light film with high haze, high light transmission, low water vapor and yellowing resistance

Info

Publication number: CN216919097U
Application number: CN202122813756.6U
Authority: CN
Inventors: 何永锐
Original assignee: Suzhou Changyuqi New Material Co ltd
Current assignee: Suzhou Changyuqi New Material Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-07-08
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses a high-haze high-light-transmission low-water-vapor yellowing-resistant liquid crystal panel packaging composite light homogenizing film which comprises a composite film main body, wherein a protective frame is fixedly connected to the periphery of the composite film main body, a bonding layer, an antistatic layer, a light-scraping-resistant layer and an antistatic layer II are integrally formed inside the composite film main body, the light-scraping-resistant layer is positioned on the outer surface of the antistatic layer II, the antistatic layer is positioned on the outer surface of the light-scraping-resistant layer I, the bonding layer is positioned on the outer surface of the antistatic layer I, and a dustproof bonding sheet is fixedly connected to one side of the composite film main body. The liquid crystal board packaging composite light homogenizing film with high haze, high light transmittance, low water vapor yellowing resistance adopts a multilayer film composite structure, so that the prepared composite optical film has the characteristics of high haze, high light transmittance, easiness in bonding processing, high surface hardness, difficulty in yellowing, static electricity resistance and long service life.

Description

Liquid crystal panel packaging composite uniform light film with high haze, high light transmission, low water vapor and yellowing resistance

Technical Field

The utility model relates to the field of POE (polyolefin elastomer) and PET (polyethylene terephthalate) film materials, in particular to a liquid crystal panel packaging composite light homogenizing film with high haze, high light transmittance, low water vapor yellowing resistance, which is mainly applied to the field of optical packaging of electronic display light-emitting components.

Background

The liquid crystal plate packaging composite light homogenizing film is a film for carrying out LED packaging protection, an electronic display light-emitting component needs to select a proper film layer for sealing and protecting a light-emitting element, a printed conductive circuit and a substrate, the uniformity of backlight is ensured, the film layer needs to have the performances of high haze, high light transmission, low water vapor transmission, yellowing resistance, aging resistance, scratch resistance and the like, and along with the continuous development of science and technology, the requirements of people on the manufacturing process of the liquid crystal plate packaging composite light homogenizing film are higher and higher.

The existing liquid crystal board packaging composite light homogenizing film has certain defects when in use, silica gel glue and epoxy glue are the most commonly used film sources, the processing technology needs thick film coating on a light-emitting component, long-time curing forming is carried out, the production efficiency is low, the film thickness is difficult to control, the coating equipment is complex, film curing forming needs to be waited, a PET light homogenizing film needs to be additionally clamped between a silica gel layer or an epoxy glue layer and a liquid crystal panel layer after curing forming, the defects limit industrialization and scale of electronic display light-emitting component production and lightening and thinning of the component, certain adverse influence is brought to the using process of people, and therefore, the liquid crystal board packaging composite light homogenizing film with high haze, high light transmission and low water vapor resistance yellowing is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a liquid crystal plate packaging composite light homogenizing film with high haze, high light transmission, low water vapor yellowing resistance, and the composite optical film adopts a multi-layer film composite structure, so that the prepared composite optical film has the characteristics of high haze, high light transmission, easy adhesion processing, high surface hardness, difficult yellowing, static resistance and long service life, and can effectively solve the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a compound even light membrane of liquid crystal board encapsulation of high haze high printing opacity low steam resistance to yellowing, includes the complex film main part, the peripheral fixedly connected with protective frame of complex film main part, the inside integrated into one piece of complex film main part has adhesive linkage, an antistatic layer, the even light layer of anti scraping and No. two antistatic layers, the even light layer of anti scraping is located the surface of No. two antistatic layers, an antistatic layer is located the surface of anti even light layer of scraping, the adhesive linkage is located the surface of an antistatic layer.

Preferably, one side of the composite film main body is fixedly connected with a first dustproof bonding sheet, the other side of the composite film main body is fixedly connected with a second dustproof bonding sheet, the bottom of the composite film main body is fixedly connected with a uniform light negative sheet, and the periphery of the uniform light negative sheet is fixedly connected with a connecting sheet.

Preferably, the outer surfaces of the first dustproof bonding sheet and the second dustproof bonding sheet are both connected with a tearing film, and one end of the tearing film is fixedly connected with a tearing head.

Preferably, mode integrated into one piece through the combined machining between adhesive linkage, antistatic layer, the even light layer of anti scraping, the antistatic layer No. two.

Preferably, the thickness of adhesive linkage can be adjusted according to waiting to bond light emitting component surface element height tolerance, the thickness of adhesive linkage is between 0.1mm to 0.4mm, No. one antistatic layer is the coating layer with No. two antistatic layers, and the coating thickness is below 0.01mm, does not contain halogen, anti even photosphere thickness of scraping is at 0.05mm to 0.15 mm.

Preferably, the avris of complex film main part fixes a position through dustproof bonding pad and No. two dustproof bonding pads, dustproof bonding pad and tear the separation of can tearing between the membrane.

(III) advantageous effects

Compared with the prior art, the utility model provides a liquid crystal plate packaging composite light homogenizing film with high haze, high light transmission, low water vapor and yellowing resistance, which has the following beneficial effects: the liquid crystal plate packaging composite light homogenizing film with high haze, high light transmission, low water vapor yellowing resistance adopts a multilayer film composite structure, so that the prepared composite optical film has the characteristics of high haze, high light transmission, easy adhesion processing, high surface hardness, difficult yellowing, static electricity resistance and long service life, the instant curing effect is achieved in a vacuumizing and laminating mode, all the film layers in the composite film layers have the performances of yellowing resistance, high light transmission and visible light band light wave transmittance of more than 88%, the multilayer film composite has the effect of low water vapor transmission, the bonding layer plays an easy adhesion effect, the first antistatic layer and the second antistatic layer play an antistatic effect, the anti-scratching light homogenizing layer plays an anti-scratching light homogenizing effect, the bonding layer is made of POE (polyolefin elastomer) film materials, the first antistatic layer and the second antistatic layer are made of coating materials, and the anti-scratching layer is made of PET (polyethylene terephthalate) materials, the thickness of the POE adhesive film layer can be adjusted according to the high and low tolerance of the surface element of the luminous component to be bonded, the thickness of the adhesive film layer can be selected from 0.1mm to 0.4mm according to actual conditions, the hardness of the PET layer reaches Shore 50D or above, the high temperature resistance reaches 150 ℃ or above, the volume shrinkage rate is less than 0.5 percent, the haze is more than 90 percent, the thickness of the PET layer is selected from 0.05mm to 0.15mm according to actual conditions, the coating thickness of the first antistatic layer and the second antistatic layer is less than 0.01mm, the POE is ethylene-octene copolymer, consists of saturated fat chains, has the characteristics of excellent aging resistance, wide high and low temperature resistance range, high visible light transmittance, good electrical insulation performance, easy processing and the like, but has the defects of low strength of the POE body, weak antistatic and scratch resistance and the like, and influences the protection effect of the POE in the electronic display component, therefore, the problem needs to be solved by using the multilayer diaphragm composite film, the haze of the film body of the PET film is larger than 90%, the light transmittance is larger than 88%, the PET film is more practical, the effect of protecting the dodging is provided, the whole liquid crystal panel packaging composite dodging film is simple in structure and convenient to operate, and the using effect is better than that of the traditional mode.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a liquid crystal panel packaged composite light homogenizing film with high haze, high light transmittance, low water vapor yellowing resistance.

Fig. 2 is a schematic structural diagram of a composite film main body in a liquid crystal panel packaging composite light homogenizing film with high haze, high light transmittance, low water vapor yellowing resistance.

Fig. 3 is a schematic structural diagram of a dustproof bonding sheet in a liquid crystal panel packaging composite light homogenizing film with high haze, high light transmittance, low water vapor yellowing resistance.

Fig. 4 is a schematic structural diagram of a tear film in a liquid crystal panel packaged composite light homogenizing film with high haze, high light transmittance, low water vapor yellowing resistance.

In the figure: 1. a composite membrane body; 2. a protective frame; 3. an adhesive layer; 4. an antistatic layer I; 5. a scratch resistant finish; 6. a second antistatic layer; 7. a first dust-proof adhesive sheet; 8. a negative film with uniform light; 9. connecting sheets; 10. a second dustproof bonding sheet; 11. tearing the film; 12. and tearing the pull head.

Detailed Description

The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and the detailed description, but those skilled in the art will understand that the following described embodiments are some, not all, of the embodiments of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

as shown in fig. 1-4, a liquid crystal panel packaging composite light homogenizing film with high haze, high light transmission, low water vapor and yellowing resistance comprises a composite film main body 1, a protective frame 2 is fixedly connected to the periphery of the composite film main body 1, a bonding layer 3 is integrally formed inside the composite film main body 1, an antistatic layer 4, a light-homogenizing-resistant layer 5 and an antistatic layer 6 II, the light-homogenizing-resistant layer 5 is located on the outer surface of the antistatic layer 6 II, the antistatic layer 4 is located on the outer surface of the light-homogenizing-resistant layer 5, and the bonding layer 3 is located on the outer surface of the antistatic layer 4.

Furthermore, the adhesive layer 3, the first antistatic layer 4, the scratch-resistant and leveling-resistant layer 5 and the second antistatic layer 6 are integrally formed in a composite processing mode.

Furthermore, the thickness of the bonding layer 3 can be adjusted according to the height tolerance of the surface element of the light-emitting component to be bonded, the thickness of the bonding layer 3 is 0.1mm to 0.4mm, the first antistatic layer 4 and the second antistatic layer 6 are coating layers, the thickness of the coating layers is less than 0.01mm, halogen is not contained, and the thickness of the scratch-resistant uniform light layer 5 is 0.05mm to 0.15 mm.

Example two:

on the basis of the first embodiment, as shown in fig. 1 to 4, a liquid crystal panel packaging composite light homogenizing film with high haze, high light transmittance, low water vapor and yellowing resistance comprises a composite film main body 1, a protective frame 2 is fixedly connected to the periphery of the composite film main body 1, a bonding layer 3, an antistatic layer 4, an anti-scraping light homogenizing layer 5 and an antistatic layer 6 are integrally formed inside the composite film main body 1, the anti-scraping light homogenizing layer 5 is located on the outer surface of the antistatic layer 6, the antistatic layer 4 is located on the outer surface of the anti-scraping light homogenizing layer 5, and the bonding layer 3 is located on the outer surface of the antistatic layer 4.

Furthermore, one side of the composite film main body 1 is fixedly connected with a first dustproof adhesive sheet 7, the other side of the composite film main body 1 is fixedly connected with a second dustproof adhesive sheet 10, the bottom of the composite film main body 1 is fixedly connected with a uniform light bottom sheet 8, and the periphery of the uniform light bottom sheet 8 is fixedly connected with a connecting sheet 9.

Furthermore, the outer surfaces of the first dustproof adhesive sheet 7 and the second dustproof adhesive sheet 10 are both connected with a tearing film 11, and one end of the tearing film 11 is fixedly connected with a tearing head 12.

Furthermore, the side of the composite film main body 1 is positioned by the first dustproof adhesive sheet 7 and the second dustproof adhesive sheet 10, and the first dustproof adhesive sheet 7 and the tearing film 11 can be torn and separated.

Example three:

the composite film material bonding layer 3 provided by the utility model is attached above the light-emitting component, bubbles are removed in vacuum for a short time, heating, bonding and curing are carried out, a certain bonding strength is achieved, and the light-scraping-resistant layer 5 with the first antistatic layer 4 and the second antistatic layer 6 coated on the two sides can be connected above the light-emitting component through the bonding layer 3, so that the function of protecting and homogenizing light is provided.

The working principle is as follows: the utility model comprises a composite film main body 1, a protective frame 2, an adhesive layer 3, a first antistatic layer 4, an anti-scratching and leveling layer 5, a second antistatic layer 6, a first dustproof adhesive sheet 7, a leveling negative film 8, a connecting sheet 9, a second dustproof adhesive sheet 10, a tearing film 11 and a tearing head 12, when in use, the instant curing effect is achieved by a vacuumizing and laminating mode, all the film layers in the composite film layer have the performances of yellowing resistance, high light transmission and visible light wave transmittance of more than 88%, the multilayer film composite has the function of low water vapor transmission, wherein the adhesive layer 3 plays an easy adhesive role, the first antistatic layer 4 and the second antistatic layer 6 play an antistatic role, the anti-scratching and leveling layer 5 plays an anti-scratching and leveling role, the adhesive layer 3 is made of POE (polyolefin elastomer) film material, the first antistatic layer 4 and the second antistatic layer 6 are made of coating material, the scratch-resistant uniform light layer 5 is made of PET material, the thickness of a POE adhesive film layer can be selected according to the tolerance of the light emitting component to be bonded, the thickness of the adhesive film layer can be adjusted according to the actual situation, the surface component of the component is ensured to be completely wrapped and bonded, the thickness of the adhesive film layer can be selected from 0.1mm to 0.4mm, the hardness of the PET layer can reach Shore 50D or above, the high temperature resistance can reach 150 ℃ or above, the volume shrinkage rate is less than 0.5%, the haze is more than 90%, the thickness of the PET layer is selected from 0.05mm to 0.15mm according to the actual situation, the coating thickness of the first antistatic layer 4 and the second antistatic layer 6 is less than 0.01mm, POE is ethylene-octene copolymer and consists of saturated fat chains, the POE has the characteristics of excellent aging resistance, wide high and low temperature resistance range, high visible light transmittance, good electrical insulation performance, easy processing and the like, but the defects of low strength of a POE body, weak antistatic and scratch resistance and the like, and influences the protection effect of the POE in an electronic display component, therefore, the problem needs to be solved by using multilayer film compounding, the haze of the film body of the PET film is more than 90%, the light transmittance is more than 88%, and the PET film is more practical and provides the effect of protecting uniform light.

It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides a compound even light membrane of liquid crystal board encapsulation that high haze is high printing opacity low steam is able to bear or endure yellow stain, includes complex film main part (1), its characterized in that: peripheral fixedly connected with protection frame (2) of complex film main part (1), the inside integrated into one piece of complex film main part (1) has adhesive linkage (3), antistatic layer (4), anti even photosphere (5) and No. two antistatic layer (6) of scraping, the surface that even photosphere (5) are located No. two antistatic layer (6) is scraped in the resistance, antistatic layer (4) are located the surface of anti even photosphere (5) of scraping, adhesive linkage (3) are located the surface of antistatic layer (4).

2. The liquid crystal panel packaging composite light homogenizing film with high haze, high light transmission, low water vapor yellowing resistance as claimed in claim 1, which is characterized in that: one side fixedly connected with of complex film main part (1) prevents dust bonding sheet (7) No. one, the opposite side fixedly connected with of complex film main part (1) prevents dust bonding sheet (10) No. two, the even light film (8) of bottom fixedly connected with of complex film main part (1), the peripheral fixedly connected with connection piece (9) of even light film (8).

3. The liquid crystal panel packaging composite light homogenizing film with high haze, high light transmission, low water vapor yellowing resistance as claimed in claim 2, wherein: the outer surfaces of the first dustproof bonding sheet (7) and the second dustproof bonding sheet (10) are both connected with a tearing film (11), and one end of the tearing film (11) is fixedly connected with a tearing head (12).

4. The liquid crystal panel packaging composite light homogenizing film with high haze, high light transmission, low water vapor yellowing resistance as claimed in claim 1, which is characterized in that: mode integrated into one piece through the combined machining between adhesive linkage (3), antistatic layer (4), anti even light layer (5), No. two antistatic layer (6) of scraping.

5. The liquid crystal panel packaging composite light homogenizing film with high haze, high light transmission, low water vapor yellowing resistance as claimed in claim 1, which is characterized in that: the thickness of adhesive linkage (3) can be adjusted according to waiting to bond and send out the light component surface element height tolerance, the thickness of adhesive linkage (3) is between 0.1mm to 0.4mm, No. one antistatic layer (4) is the coating layer with No. two antistatic layers (6), and the coating thickness is below 0.01mm, does not contain halogen, the even photosphere (5) thickness of anti scraping is 0.05mm to 0.15 mm.

6. The liquid crystal panel packaging composite light homogenizing film with high haze, high light transmission, low water vapor yellowing resistance as claimed in claim 2, wherein: the avris of complex film main part (1) is fixed a position through dustproof bonding pad (7) and No. two dustproof bonding pads (10), dustproof bonding pad (7) and tear and draw and can tear the separation between membrane (11).