CN216427201U

CN216427201U - Oca optical cement with multilayer film structure

Info

Publication number: CN216427201U
Application number: CN202123232799.1U
Authority: CN
Inventors: 刘平
Original assignee: Huizhou Xinshijie Photoelectric Technology Co ltd
Current assignee: Huizhou Xinshijie Photoelectric Technology Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-05-03
Anticipated expiration: 2031-12-22

Abstract

The utility model relates to an oca optical cement technical field specifically is a oca optical cement of multilayer film structure, including oca optical cement body, the top of oca optical cement body is provided with from the type membrane, the bottom of oca optical cement body is provided with down from the type membrane, four corners of oca optical cement body are provided with supplementary installation component. Through setting up location sticky tape and hand tear film in oca optical cement body's four corners, when carrying out the bonding of touch-sensitive screen, bond oca optical cement body on the touch-sensitive screen in advance through the location sticky tape, thereby can reach the purpose of location in advance, then will go up from the type membrane and get rid of from the type membrane down, the operation of bonding, can avoid the condition of bonding failure to take place, through setting up the heat-conducting layer, the hose glue layer, first bleeder vent and second bleeder vent, can absorb the heat of touch-sensitive screen work and discharge the heat through first bleeder vent and second bleeder vent through the heat-conducting layer, thereby can improve oca optical cement body's life.

Description

Oca optical cement with multilayer film structure

Technical Field

The utility model relates to an oca optical cement technical field specifically is a oca optical cement of multilayer film structure.

Background

The OCA optical cement is an optical element bonding material with multiple excellent performances. The special adhesive for gluing transparent optical elements (such as a display cover plate, a touch panel and the like) belongs to the class of pressure-sensitive adhesives, and the OCA optical adhesive is one of the raw materials of an important touch screen.

Current OCA optical cement is when bonding the touch-sensitive screen, and it is inaccurate to appear adsorbing the location easily, leads to influencing the adsorption strength of OCA colloid and leads to the condition of bonding failure even to take place, and uses the back for a long time at the touch-sensitive screen, can give out great heat, can cause certain influence to OCA optical cement, is unfavorable for prolonging OCA optical cement's life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a oca optical cement of multilayer film structure to solve the problem that proposes among the above-mentioned background art. In order to achieve the above object, the utility model provides a following technical scheme: an oca optical cement with a multilayer film structure comprises a oca optical cement body, wherein an upper release film is arranged at the top of the oca optical cement body, a lower release film is arranged at the bottom of the oca optical cement body, and auxiliary mounting assemblies are arranged at four corners of the oca optical cement body.

Preferably, the bottom of oca optical cement body is provided with the heat-conducting layer, the bottom of heat-conducting layer is provided with soft glue layer, the bottom of soft glue layer is provided with down from the type membrane.

Preferably, the heat conducting layer is mainly a nano-carbon heat dissipation film, and the thickness of the heat conducting layer is about 0.03 mm.

Preferably, the flexible glue layer is mainly organic silica gel, just a plurality of first bleeder vent has been seted up to the top face of flexible glue layer, all run through on the lateral wall of first bleeder vent and seted up the second bleeder vent, just first bleeder vent and second bleeder vent switch on each other, the size of first bleeder vent and second air guide hole is about 50 um.

Preferably, the auxiliary mounting assembly comprises a positioning adhesive tape and a hand-tearing film, and the hand-tearing film is arranged at the bottom of the positioning adhesive tape.

Preferably, the positioning adhesive tape is bonded to the oca optical adhesive body.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, through setting up location sticky tape and hand tear film piece in oca optical cement body's four corners, when carrying out the bonding of touch-sensitive screen, tear two adjacent hand tear film pieces, bond oca optical cement body on the touch-sensitive screen in advance through the location sticky tape to can reach the purpose of advance positioning, then get rid of from the type membrane from top and from the type membrane from bottom, bond the operation, thereby can improve oca optical cement body's adsorption strength, and can avoid the condition of bonding failure to take place;

the utility model discloses in, use through the cooperation that sets up heat-conducting layer, soft glue layer, first bleeder vent and second bleeder vent, after touch-sensitive screen work a period of time gives out the heat, can give off the heat and discharge the heat through first bleeder vent and second bleeder vent through the heat-conducting layer to can improve oca optical cement body's life.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the soft rubber layer of the present invention;

fig. 4 is a schematic diagram of a partially enlarged structure at a position in fig. 2 according to the present invention.

In the figure: 1. oca optical glue body; 2. a release film is arranged; 3. a heat conductive layer; 4. a soft adhesive layer; 5. a lower release film; 6. a first air vent; 7. positioning the adhesive tape; 8. the film was torn by hand.

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 the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a oca optical cement of multilayer film structure, includes oca optical cement body 1, oca optical cement body 1's top is provided with from type membrane 2, oca optical cement body 1's bottom is provided with down from type membrane 5, oca optical cement body 1's four corners are provided with supplementary installation component.

In this embodiment, as shown in fig. 1, fig. 2 and fig. 4, a heat conduction layer 3 is disposed at the bottom of the oca optical cement body 1, a soft cement layer 4 is disposed at the bottom of the heat conduction layer 3, and a lower release film 5 is disposed at the bottom of the soft cement layer 4.

In the present embodiment, as shown in fig. 1, fig. 2 and fig. 4, the heat conductive layer 3 is mainly a nanocarbon heat dissipation film, and the thickness of the heat conductive layer 3 is about 0.03 mm.

In this embodiment, as shown in fig. 3 and 4, the soft adhesive layer 4 is mainly made of organic silicon, the top surface of the soft adhesive layer 4 is provided with a plurality of first air holes 6, the side walls of the first air holes 6 are all provided with second air holes, the first air holes 6 and the second air holes are communicated with each other, and the sizes of the first air holes 6 and the second air holes are about 50 um.

In this embodiment, as shown in fig. 1, 2 and 4, the auxiliary mounting assembly includes a positioning tape 7 and a hand-tearing film 8, and the hand-tearing film 8 is disposed at the bottom of the positioning tape 7.

In this embodiment, as shown in fig. 1, fig. 2, and fig. 4, the positioning tape 7 is bonded to the oca optical cement body 1, and after the oca optical cement body 1 and the touch screen are bonded, the positioning tape 7 can be torn off from the corner of the oca optical cement body 1, so that the space is saved.

The utility model discloses a use method and advantage: when the oca optical cement with the multilayer film structure is used, the working process is as follows:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, when the device is used, firstly, the top of the oca optical cement body 1 is aligned with one end of the touch screen, then the hand tearing film 8 is torn, the positioning adhesive tape 7 is adhered on the touch screen, the position of the oca optical cement body 1 is fixed through repeated operation, so that the purpose of pre-positioning can be achieved, then the upper release film 2 and the lower release film 5 are torn to perform adhesion operation, so that the adsorption strength of the oca optical cement body 1 can be improved, and the occurrence of adhesion failure can be avoided.

And after the touch screen emits heat in a working period, the heat can be dissipated through the heat conduction layer 3 and discharged through the first air holes 6 and the second air holes by matching the heat conduction layer 3, the soft adhesive layer 4, the first air holes 6 and the second air holes, and therefore the service life of the oca optical cement body 1 can be prolonged.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An oca optical cement of multilayer film structure, comprising a oca optical cement body (1), characterized in that: oca the top of optical cement body (1) is provided with from type membrane (2), the bottom of oca optical cement body (1) is provided with down from type membrane (5), four corners of oca optical cement body (1) are provided with supplementary installation component, supplementary installation component includes location sticky tape (7) and hand tear film piece (8), the bottom of location sticky tape (7) is provided with hand tear film piece (8).

2. The oca optical cement of claim 1, wherein: oca the bottom of optical cement body (1) is provided with heat-conducting layer (3), the bottom of heat-conducting layer (3) is provided with soft glue layer (4), the bottom of soft glue layer (4) is provided with down from type membrane (5).

3. The oca optical cement of claim 2, wherein: the heat conduction layer (3) is mainly a nano-carbon heat dissipation film, and the thickness of the heat conduction layer (3) is about 0.03 mm.

4. The oca optical cement of claim 2, wherein: soft glue film (4) are mainly organic silica gel, just a plurality of first bleeder vent (6) have been seted up to the top face of soft glue film (4), all run through on the lateral wall of first bleeder vent (6) and seted up the second bleeder vent, just first bleeder vent (6) and second bleeder vent switch on each other, the size of first bleeder vent (6) and second air guide hole is about 50 um.

5. The oca optical cement of claim 1, wherein: the positioning adhesive tape (7) is adhered to the oca optical adhesive body (1).