CN212933993U

CN212933993U - Protective cover plate structure for folding display screen

Info

Publication number: CN212933993U
Application number: CN202021880506.3U
Authority: CN
Inventors: 江建志; 赖耀升; 周晧煜
Original assignee: Enrique Zhejiang Display Technology Co Ltd
Current assignee: Anhui Fansheng Display Technology Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-04-09
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a visor structure that folding display screen used, including ultra-thin glass and first PET, first PET is located the ultra-thin glass top and outside the edge extended to ultra-thin glass, is provided with first optical cement between shown first PET and the ultra-thin glass, and first optical cement cladding ultra-thin glass's side and top surface, the utility model discloses a reduce ultra-thin glass's size, hide into first PET below and protect top surface and side through first optical cement with ultra-thin glass's edge, neither influence outward appearance and practicality, can effectively protect ultra-thin glass's side again.

Description

Protective cover plate structure for folding display screen

Technical Field

The utility model belongs to electronic product display screen field, more specifically the protective cover plate structure that a folding display screen was used that says so.

Background

In the first quarter of 2020, samsung released a GalaxyZFlip folding screen mobile phone, which is the first global folding screen mobile phone that adopts ultrathin glass as a protective cover plate. In 7 months, Samsung released GalaxyZFlip version 5G, which not only increased the support frequency of 5G, but also improved the structure of the folding part, and still used ultra-thin glass (UTG) as the protective cover plate.

When UTG is used as the main material of the protective cover plate, PET is generally required to be attached to UTG to protect UTG, so that the pressure resistance of UTG is increased, and the protective cover plate is not easy to damage. Although the surface UTG was protected by PET, the side UTG was still very fragile and not well protected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a through reducing ultra-thin glass's size, hide ultra-thin glass's edge into first PET below and through first optical cement with top surface and side protection, neither influence outward appearance and practicality, can effectively protect ultra-thin glass's side again.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a visor structure that folding display screen was used, includes ultra-thin glass and first PET, first PET is located ultra-thin glass top and outside the edge extended to ultra-thin glass, is provided with first optical cement between shown first PET and the ultra-thin glass, and first optical cement cladding ultra-thin glass's side and top surface.

Further the lower surface of the first PET is provided with a BM pattern frame, and the orthographic projection of the BM pattern frame covers the edge of the first PET and the edge of the ultrathin glass.

Further, the first optical cement is coated or printed on the top surface and the side surface of the ultrathin glass.

And an explosion-proof membrane is arranged below the ultrathin glass.

And a second optical adhesive is arranged below the explosion-proof film, and a second PET (polyethylene terephthalate) or release film is attached below the second optical adhesive.

Further explosion-proof membrane below is provided with the second optical cement, and the laminating of second optical cement below has second PET, and second PET below is provided with the third optical cement, and the laminating of third optical cement below has from the type membrane.

Further, the thickness of the ultrathin glass is 20-150 micrometers.

Further the first and second PET have a thickness of 20-150 microns.

The thickness of the first optical cement corresponding to the top surface of the ultrathin glass, the second optical cement and the third optical cement is 5-60 micrometers.

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

1. the edge of the ultrathin glass is hidden under the BM pattern frame by reducing the size of the ultrathin glass, so that the appearance and the practical performance are not influenced, and the side edge of the ultrathin glass can be effectively protected by the first optical cement positioned on the side surface of the ultrathin glass;

2. an explosion-proof film can be coated or printed on the lower surface of the ultrathin glass, so that the ultrathin glass is better protected;

3. the laminating is from the type membrane, makes the protection apron become single product, and the transportation of being convenient for can process alone, improves the yield of folding display screen.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a protective cover plate structure for a foldable display screen according to the present invention;

FIG. 2 is a schematic structural diagram of a second embodiment of a protection cover plate structure for a foldable display screen according to the present invention;

FIG. 3 is a schematic view of a third embodiment of a protection cover plate structure for a foldable display panel according to the present invention;

FIG. 4 is a schematic structural diagram of a fourth embodiment of a protection cover plate structure for a foldable display screen according to the present invention;

fig. 5 is a schematic structural diagram of a protective cover plate structure for a foldable display screen according to an embodiment of the present invention.

Reference numerals: 1. a first PET; 2. a first optical cement; 3. ultra-thin glass; 4. BM pattern frame; 5. an explosion-proof membrane; 6. a second optical cement; 7. a second PET; 8. a release film; 9. and a third optical cement.

Detailed Description

The embodiment of the protection cover plate structure for the foldable display screen of the present invention is further described with reference to fig. 1 to 5.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

The first embodiment is as follows:

as shown in fig. 1, a protective cover plate structure for a foldable display screen includes an ultra-thin glass 3 and a first PET1, the first PET1 is located above the ultra-thin glass 3 and has an edge extending to the outside of the ultra-thin glass 3, a first optical glue 2 is disposed between the first PET1 and the ultra-thin glass 3, and the first optical glue 2 covers the side surfaces and the top surface of the ultra-thin glass 3.

The thickness of the ultra-thin glass 3 is preferably 20 to 150 μm in this embodiment; further preferred the thickness of the first PET1 is 20-150 microns; it is further preferable that the thickness of the first optical cement 2 is 5 to 60 micrometers corresponding to the top surface of the ultra-thin glass 3.

In this embodiment, the first optical glue 2 is coated or printed on the top surface and the side surface of the ultra-thin glass 3.

The top surface of the ultra-thin glass 3 is protected by the first PET1, and the side surface is protected by the coating of the first optical cement 2.

The lower surface of the first PET1 is preferably provided with a BM pattern frame 4, and an orthographic projection of the BM pattern frame 4 covers the edge of the first PET1 and the edge of the ultra-thin glass 3.

The preferred BM pattern frame 4 in this embodiment is formed by applying or printing a pattern ink to the lower surface of the first PET 1.

As shown in fig. 1, the orthographic projection described in the present application is a projection in a downward direction from the viewing angle of fig. 1, so that the orthographic projection of the BM pattern frame 4 presses the edge of the ultra-thin glass 3, that is, the edge of the ultra-thin glass 3 is located in the orthographic projection area of the BM pattern frame 4, the BM pattern frame 4 can prevent light leakage, and the area of the protective cover plate not covered by the BM pattern frame 4 forms a display area.

Example two:

as shown in fig. 2, in the present embodiment, an explosion-proof membrane 5 is disposed below the ultra-thin glass 3, and other technical features are the same as those of the first embodiment, preferably, the explosion-proof membrane 5 is formed by coating or printing explosion-proof ink on the lower portion of the ultra-thin glass 3, and the explosion-proof membrane 5 can better protect the ultra-thin glass 3 and wrap the ultra-thin glass 3 by matching with the first PET1 and the first optical cement 2.

Example three:

as shown in fig. 3, in this embodiment, a second optical adhesive 6 is disposed below the explosion-proof film 5, a second PET7 is bonded below the second optical adhesive 6, the other technical features are the same as those in the embodiment, the second optical adhesive 6 is coated or printed below the explosion-proof film 5, in this embodiment, the thickness of the second optical adhesive 6 is preferably 5 to 60 micrometers, the thickness of the second PET7 is preferably 20 to 150 micrometers, and the bonded second PET7 further protects the ultra-thin glass 3.

Example four:

as shown in fig. 4, in this embodiment, a second optical adhesive 6 is disposed below the explosion-proof film 5, a release film 8 is attached below the second optical adhesive 6, other technical features are the same as those of the embodiment, the second optical adhesive 6 is coated or printed below the explosion-proof film 5, the thickness of the second optical adhesive 6 in this embodiment is preferably 5-60 micrometers, the protective cover plate is used as a finished product after the release film 8 is attached, transportation is facilitated, and the release film 8 can be attached to the OLED display panel by tearing the release film 8 during use.

Example five:

as shown in fig. 5, in this embodiment, a second optical adhesive 6 is disposed below an explosion-proof film 5, a second PET7 is bonded below the second optical adhesive 6, a third optical adhesive 9 is disposed below a second PET7, a release film 8 is bonded below the third optical adhesive 9, other technical features are the same as those of the embodiment, the second optical adhesive 6 is coated or printed below the explosion-proof film 5, and the third optical adhesive 9 is coated or printed below a second PET7, in this embodiment, the thicknesses of the second optical adhesive 6 and the third optical adhesive 9 are preferably 5 to 60 micrometers, the thickness of the second PET7 is 20 to 150 micrometers, in this embodiment, the second PET7 further protects the ultra-thin glass 3, after the release film 8 is bonded, the protective cover plate is used as a finished product, transportation is facilitated, and when in use, the release film 8 is torn off, the release film 8 can be bonded on an OLED display panel.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a protective cover plate structure that folding display screen used which characterized in that: including ultra-thin glass and first PET, first PET is located ultra-thin glass top and outside the edge extends to ultra-thin glass, is provided with first optical cement between shown first PET and the ultra-thin glass, and first optical cement cladding ultra-thin glass's side and top surface.

2. A protective cover panel structure for a foldable display screen according to claim 1, wherein: the lower surface of the first PET is provided with a BM pattern frame, and the orthographic projection of the BM pattern frame covers the edge of the first PET and the edge of the ultrathin glass.

3. A protective cover panel structure for a foldable display screen according to claim 2, wherein: the first optical cement is coated or printed on the top surface and the side surface of the ultrathin glass.

4. A protective cover panel structure for a foldable display screen according to claim 3, wherein: and an explosion-proof membrane is arranged below the ultrathin glass.

5. A protective cover plate structure for a foldable display screen according to claim 4, wherein: and a second optical adhesive is arranged below the explosion-proof film, and a second PET (polyethylene terephthalate) or release film is attached to the lower part of the second optical adhesive.

6. A protective cover plate structure for a foldable display screen according to claim 4, wherein: and a second optical cement is arranged below the explosion-proof membrane, a second PET is attached to the lower part of the second optical cement, a third optical cement is arranged below the second PET, and a release membrane is attached to the lower part of the third optical cement.

7. A protective cover panel structure for a foldable display screen according to any one of claims 1 to 6, wherein: the thickness of the ultrathin glass is 20-150 microns.

8. A protective cover panel structure for a foldable display screen according to any one of claims 1 to 6, wherein: the first and second PET have a thickness of 20 to 150 micrometers.

9. A protective cover panel structure for a foldable display screen according to any one of claims 1 to 6, wherein: the thickness of the first optical cement corresponding to the top surface of the ultrathin glass, the second optical cement and the third optical cement is 5-60 micrometers.