CN220041081U

CN220041081U - Cover plate film

Info

Publication number: CN220041081U
Application number: CN202320107017.1U
Authority: CN
Inventors: 万飞; 杨欢
Original assignee: Hubei Feirun Photoelectric Co ltd
Current assignee: Hubei Feirun Photoelectric Co ltd
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-11-17
Anticipated expiration: 2033-02-03

Abstract

The utility model discloses a cover plate film in the technical field of touch display products, which comprises the following components: the cover plate substrate assembly comprises a cover plate substrate and baffles arranged at the peripheral edges of the top of the cover plate substrate; the black film is arranged on the top of the cover plate substrate assembly; the optical adhesive layer is arranged on the top of the cover plate substrate assembly and the black film; the functional sheet is arranged at the top of the cover plate substrate assembly and the black film through the optical adhesive layer, and the functional sheet is connected with the second hollowed-out alignment line on the functional sheet by hollowed-out design of the bit line on the second film.

Description

Cover plate film

Technical Field

The utility model relates to the technical field of touch display products, in particular to a cover plate film.

Background

The touch screen display can enable a user to operate the host only by lightly touching icons or characters on the computer display screen with fingers, so that keyboard and mouse operations are eliminated, and man-machine interaction is more straightforward. The method is mainly applied to public hall information inquiry, office work, electronic games, song and dish ordering, multimedia teaching, air ticket/train ticket pre-selling and the like. The product is mainly divided into three types of capacitive touch screens, resistive touch screens and surface acoustic wave touch screens. Along with the wider and wider application range of the touch display screen in China, the touch display screen is widely applied to various industries, such as various fields of electronic consumer products, industrial production, intelligent home furnishings, artificial intelligence and the like. Because of the display technology, high cleanliness and transparency are required, and optical adhesive OCA or SCA is used in the industry to attach the functional sheet and the protective cover plate, but bubbles are inevitably discharged.

At present, bubbles which are difficult to remove from TP are mainly concentrated on four corners of TP, as shown in FIG. 5, at present, cover plates are made into three films, namely a main body black film, a cover bottom black film and a counterpoint line film, the main body black film is arranged in the middle, the bottom cover black film is arranged at the bottom of the main body black film and contacts with the top of a cover plate substrate, the counterpoint line film is arranged at the top of the main body black film and is connected with a functional sheet through optical cement, and the main reason is that bubbles are not removed after being forced to the corners due to ink breakage of the cover plates, so that the yield of the cover plates and finished products is affected.

Disclosure of Invention

The utility model aims to provide a cover plate film, which aims to solve the problems that the prior cover plate film (taking a black cover plate as an example) proposed in the background art is manufactured into three films, namely a main body black film, a cover bottom black film and a counterpoint line film, the main body black film is arranged in the middle, the bottom cover black film is arranged at the bottom of the main body black film and is contacted with the top of a cover plate substrate, the counterpoint line film is arranged at the top of the main body black film and is connected with a functional sheet through optical cement, and air bubbles are not discharged after being forced to corners due to cover plate ink break difference, so that the yield of the cover plate and a finished product is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a cover film comprising:

a cover substrate assembly;

the black film is arranged on the top of the cover plate substrate assembly;

the optical adhesive layer is arranged on the top of the cover plate substrate assembly and the black film;

the functional sheet is arranged on the top of the cover plate substrate assembly and the top of the black film through the optical adhesive layer.

Preferably, the cover substrate assembly comprises a cover substrate and a baffle plate arranged at the peripheral edge of the top of the cover substrate.

Preferably, the black film comprises a first film arranged on the top of the cover plate base material and arranged on the inner side of the baffle plate, and a second film arranged on the top of the first film and arranged on the inner side of the baffle plate.

Preferably, first hollowed-out alignment lines are arranged at four corners of the top of the second film.

Preferably, the positions of the four corners of the top of the functional sheet corresponding to the first hollowed-out alignment lines are provided with second hollowed-out alignment lines.

Compared with the prior art, the utility model has the beneficial effects that: according to the cover plate film, the hollowed-out design is carried out on the bit line on the second film, the cover plate film is connected with the second hollowed-out alignment line on the functional sheet, when bubbles exist in corners, the bubbles can be discharged along with the second hollowed-out alignment line, the problem that the bubbles in the corners are abnormal is effectively solved, and the yields of the cover plate and finished products can be effectively improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic diagram of a second film and a first hollowed-out alignment line arrangement of the present utility model;

FIG. 3 is a schematic diagram of a functional sheet and a second hollowed-out alignment;

FIG. 4 is a schematic diagram of a cover substrate assembly according to the present utility model;

fig. 5 is a schematic diagram of a conventional cover film design according to the present utility model.

In the figure: 100 cover plate substrate components, 110 cover plate substrates, 120 baffles, 200 black films, 210 second films, 211 first hollowed-out alignment lines, 220 first films, 300 optical adhesive layers, 400 functional sheets and 410 second hollowed-out alignment lines.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a cover plate film, which is characterized in that a hollowed-out design is carried out on a bit line on a second film and is connected with a second hollowed-out alignment line on a functional sheet, when bubbles exist in corners, the bubbles can be discharged along with the second hollowed-out alignment line, so that the problem of abnormal bubbles in the corners is effectively solved, the yield of a cover plate and a finished product can be effectively improved, and referring to fig. 1, the cover plate film comprises: a cover substrate assembly 100, a black film 200, an optical adhesive layer 300, and a functional sheet 400;

referring to fig. 1 and 4, the cover substrate assembly 100 includes a cover substrate 110 and baffles 120, 120 and 110 disposed at the peripheral edges of the top of the cover substrate 110, wherein the baffles 120 are integrally formed, the baffles 120 are surrounded on the top of the cover substrate 110, and the outer side walls of the baffles 120 are flush with the outer side walls of the cover substrate 110;

referring to fig. 1-2, a black film 200 is disposed on top of a cover substrate assembly 100, the black film 200 includes a first film 220 disposed on top of a cover substrate 110 and disposed on an inner side of a baffle 120, and a second film 210 disposed on top of the first film 220 and disposed on an inner side of the baffle 120, first hollowed-out alignment lines 211 and 220 are disposed at four corners of top of the second film 210 and are laid on top of the cover substrate assembly 110, outer side walls of the cover substrate assembly 220 are contacted with inner side walls of the baffle 120, and 210 is laid on top of the cover substrate assembly 220, and outer side walls of the cover substrate assembly 210 are contacted with inner side walls of the baffle 120;

referring to fig. 1-2 and 4, an optical adhesive layer 300 is disposed on top of the cover substrate assembly 100 and the black film 200, 300 is coated on top of 110 and 210, 300 is laid on the inner side of 220;

referring to fig. 1-4, the functional sheet 400 is disposed on top of the cover substrate assembly 100 and the black film 200 through the optical adhesive layer 300, the four corners of the top of the functional sheet 400 are respectively provided with a second hollowed-out alignment line 410 corresponding to the first hollowed-out alignment line 211, the 400 is laid on top of the cover substrate assembly 110 and 210 through the optical adhesive layer 300, the outer side wall of the functional sheet 400 contacts with the inner side wall of the functional sheet 120, when the functional sheet is glued, the functional sheet is blocked by the functional sheet 120 to prevent the functional sheet 300 from overflowing to the outer side of the functional sheet 400, when bubbles are in corners, the bubbles are discharged along with the top 211 of the functional sheet 210, and the functional sheet is discharged through the functional sheet 410, so that the corner bubble abnormality can be fundamentally solved in design; the method has the advantages of simple design, easy operation and low cost, and can effectively improve the yield of the cover plate and the finished product.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner so long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of brevity and resource saving. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a apron film which characterized in that: comprising the following steps:

a cover substrate assembly (100);

a black film (200), the black film (200) being disposed on top of the cover substrate assembly (100);

an optical adhesive layer (300), wherein the optical adhesive layer (300) is arranged on the top of the cover plate substrate assembly (100) and the black film (200);

and the functional sheet (400) is arranged on the top of the cover plate base material component (100) and the black film (200) through the optical adhesive layer (300).

2. A cover film according to claim 1, wherein: the cover substrate assembly (100) comprises a cover substrate (110) and baffles (120) arranged at the peripheral edge of the top of the cover substrate (110).

3. A cover film according to claim 2, wherein: the black film (200) comprises a first film (220) arranged on the top of the cover plate base material (110) and arranged on the inner side of the baffle plate (120) and a second film (210) arranged on the top of the first film (220) and arranged on the inner side of the baffle plate (120).

4. A cover film according to claim 3, wherein: first hollowed-out alignment lines (211) are arranged at four corners of the top of the second film (210).

5. A cover film according to claim 4, wherein: the four corners of the top of the functional sheet (400) are respectively provided with a second hollowed-out alignment line (410) at the positions corresponding to the first hollowed-out alignment lines (211).