CN212403994U

CN212403994U - Anti-static protective film for OLED display screen

Info

Publication number: CN212403994U
Application number: CN202020460233.0U
Authority: CN
Inventors: 方斌
Original assignee: Suzhou Svs Electric Co ltd
Current assignee: Suzhou Svs Electric Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2021-01-26
Anticipated expiration: 2030-03-24

Abstract

The utility model relates to a display screen protection film technical field discloses an OLED display screen is with preventing static protection film, including transparent TPU basic unit, the bottom of transparent TPU basic unit is paintd and is prevented static polyurethane adhesion agent, and the below of transparent TPU basic unit still is equipped with prevents static type membrane, and prevent static type membrane and prevent the setting that static polyurethane adhesion agent bonds each other, the fixed dull polish protection film that is equipped with in top of transparent TPU basic unit, and the fixed night light layer that is equipped with of circumference lateral wall of dull polish protection film, the top of dull polish protection film and the bottom of preventing static type membrane are laminated respectively has first transparent film and second transparent film, the outside of transparent TPU basic unit still is equipped with the plastic frame, and the inner wall of plastic frame sets up with the four lateral walls fixed connection of first transparent film. The utility model discloses change the subsides that are applicable to curved surface 3D glass apron etc. and pay, reduced the loss, improved the productivity, reduced electrostatic shock to OLED display product simultaneously, improved the product yield.

Description

Anti-static protective film for OLED display screen

Technical Field

The utility model relates to a display screen protection film technical field especially relates to an OLED display screen is with preventing static protection film.

Background

With the gradual development of the flexible AMOLED display industry, the cover glass of the OLED display screen gradually goes through the development from 2D to 2.5D to 3D.

Common protection film material in present market is the PET substrate, it is harder because of the PET material, can't be applicable to and satisfy 3D curved surface glass's laminating protection practicality from now on, OLED display product is in development production equipment in-process simultaneously, all need tear the protecting film and test, and in the middle of the process of tearing the protecting film, all can produce the problem of dyestripping static, arouse the intramembranous electron to shift when dyestripping, form positive negative pole, produce electric charge, thereby form the electric field, if dyestripping voltage is too high, will cause certain degree of static impact to the display product, thereby take place the product bad.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art common protection film material and being the PET substrate, it is harder because of the PET material, can't be applicable to and satisfy 3D curved surface glass's laminating protection practicality from now on, OLED display product is in the development production equipment in-process simultaneously, all need to tear the protective film and test, and in the middle of the process of tearing the protective film, all can produce the problem of dyestripping static, arouse the intramembrane electron transfer when dyestripping, form positive negative pole, produce electric charge, thereby form the electric field, if dyestripping voltage is too high, will cause the static impact of certain degree to the display product, thereby take place the bad problem of product, and the OLED display screen who provides is with antistatic protection film.

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

the utility model provides an OLED display screen is with preventing static protection film, includes transparent TPU basic unit, the bottom of transparent TPU basic unit is paintd and is prevented static polyurethane and glue the agent, and the below of transparent TPU basic unit still is equipped with prevents static type membrane, and prevents static type membrane and prevent that static polyurethane glues the agent and bond the setting each other, and the top of transparent TPU basic unit is fixed and is equipped with the dull polish protection film, and the fixed night light layer that is equipped with of circumference lateral wall of dull polish protection film, the top of dull polish protection film and the bottom of preventing static type membrane are laminated respectively has first transparent film and second transparent film, the outside of transparent TPU basic unit still is equipped with plastic frame, and plastic frame's inner wall and the four lateral walls fixed connection settings of first transparent film.

Preferably, the bottom of plastic frame both sides wall has all been seted up the bar hole, and the downthehole movable rod that is equipped with of bar, two the one end of movable rod passes two bar holes respectively and sets up with the both sides wall fixed connection of second transparent film.

Preferably, two the equal fixedly connected with of one end that the movable rod deviates from mutually draws the piece, and draws the surface of piece and seted up anti-skidding line.

Preferably, the top of transparent TPU basic unit is fixed and is equipped with the layer of protecting against radiation, and the upper and lower both sides wall on the layer of protecting against radiation respectively with transparent TPU basic unit and the fixed setting that bonds of dull polish protection film.

Preferably, the antistatic polyurethane adhesive has a thickness of 20 μm, an adhesive force of 5gf/25mm, and an electrical resistance value of 10⁹Ω。

Preferably, the transparent TPU base layer has a thickness of 75 μm, a hardness of 90A and a tensile strength of 57 MPa.

Compared with the prior art, the utility model provides a OLED display screen is with preventing static protection film possesses following beneficial effect:

1. this OLED display screen is with preventing static protection film, have certain deflection and softer TPU substrate through the use, the pliability has been increased, the effect of pasting is paid to having improved, it pays to change the subsides that are applicable to curved surface 3D glass apron etc., the loss has been reduced, the productivity has been improved, simultaneously through preventing static from type membrane that is equipped with, the produced dyestripping voltage effect of guarantee customer when the material tears the operation that can be better is optimal, show the product to OLED and reduced electrostatic shock, the product yield has been improved.

The device does not relate to the part all the same with prior art or can adopt prior art to realize, the utility model discloses change the subsides of being applicable to curved surface 3D glass apron etc. and pay, reduced the loss, improved the productivity, reduced electrostatic shock to OLED display product simultaneously, improved the product yield.

Drawings

Fig. 1 is a schematic structural view of an anti-static protective film for an OLED display screen according to the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: the anti-radiation coating comprises a transparent TPU base layer 1, an anti-static polyurethane adhesive 2, an anti-static film 3, a frosted protective film 4, a luminous layer 5, a first transparent film 6, a second transparent film 7, a plastic frame 8, a movable rod 9, a pull block 10 and an anti-radiation layer 11.

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.

Referring to fig. 1-2, an anti-static protective film for an OLED display screen comprises a transparent TPU base layer 1, an anti-static polyurethane adhesive 2 is coated on the bottom of the transparent TPU base layer 1, an anti-static film 3 is further arranged below the transparent TPU base layer 1, and the anti-static film 3 and the anti-static polyurethane adhesive 2 are bonded with each other, the process comprises the steps of adding an anti-static agent into prepared polyurethane glue, uniformly mixing, carrying out static reaction in a glue reaction furnace for stabilization, coating a second layer of material on the transparent TPU base layer 1 on an upper coating production line, then attaching the anti-static release film 3, putting into an aging furnace after processing and manufacturing, carrying out curing treatment, a frosted protective film 4 is fixedly arranged on the top of the transparent TPU base layer 1, and a noctilucent layer 5 is fixedly arranged on the circumferential side wall of the frosted protective film 4, the top of dull polish protection film 4 and the bottom of preventing static type membrane 3 are laminated respectively and are had first transparent film 6 and second transparent film 7, and transparent TPU basic unit 1's outside still is equipped with plastic frame 8, and plastic frame 8's inner wall and the four lateral walls fixed connection setting of first transparent film 6, through plastic frame 8 that is equipped with, can inject transparent TPU basic unit 1 position, improve the effect of pad pasting.

The bar hole has all been seted up to the bottom of 7 both sides walls of plastic frame, and the downthehole movable rod 9 that is equipped with of bar, and the one end of two movable rods 9 pass two bar holes respectively and set up with the both sides wall fixed connection of second transparent film 7, and through the movable rod 9 that is equipped with, pulling movable rod 9 can be convenient for tear second transparent film 7.

The equal fixedly connected with in one end that two movable rods 9 deviate from mutually draws piece 10, and draws the surface of piece 10 and seted up anti-skidding line, draws piece 10 through being equipped with, can be convenient for stimulate movable rod 9 and remove.

The fixed layer 11 that protects against radiation that is equipped with in top of transparent TPU basic unit 1, and the upper and lower both sides wall on the layer 11 that protects against radiation respectively with transparent TPU basic unit 1 and the fixed setting that bonds of dull polish protection film 4, can adsorb the radiation that the cell-phone sent to reduce the radiation and cause the harm to the eye.

The thickness of the antistatic polyurethane adhesive 2 was 20 μm, the adhesive force was 5gf/25mm, and the electrical resistance value was 10⁹Omega, the voltage of the surface tearing film is less than 300V.

The transparent TPU substrate 1 has a thickness of 75 μm, a hardness of 90A and a tensile strength of 57 MPa.

The utility model discloses in, during the use, through transparent TPU basic unit 1 that is equipped with, certain deflection and softer TPU substrate have, the pliability has been increased, the effect of paying is pasted in having improved, it pays to change the subsides that are applicable to curved surface 3D glass apron etc., the loss is reduced, the productivity has been improved, the rethread is equipped with prevents static polyurethane adhesion agent 2 and prevents static type membrane 3, the dyestripping voltage effect that the guarantee customer that can be better produced when the material tears the operation is optimal, show the product to OLED and reduced the electrostatic impact, night light layer 5 that the rethread was equipped with, can give out light at night, thereby be convenient for look for the cell-phone night, dull polish protection film 4 that the rethread was equipped with, can protect transparent TPU basic unit 1, the service life of the same is prolonged.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An anti-static protective film for an OLED display screen comprises a transparent TPU base layer (1), it is characterized in that the bottom of the transparent TPU base layer (1) is coated with an antistatic polyurethane adhesive (2), an anti-static film (3) is arranged below the transparent TPU base layer (1), the anti-static film (3) and the anti-static polyurethane adhesive (2) are mutually bonded, a frosted protective film (4) is fixedly arranged at the top of the transparent TPU base layer (1), and the circumferential side wall of the frosted protective film (4) is fixedly provided with a luminous layer (5), the top of the frosted protective film (4) and the bottom of the anti-static film (3) are respectively adhered with a first transparent film (6) and a second transparent film (7), a plastic frame (8) is arranged outside the transparent TPU base layer (1), and the inner wall of the plastic frame (8) is fixedly connected with the four side walls of the first transparent film (6).

2. The antistatic protective film for the OLED display screen according to claim 1, wherein the bottom of each of the two side walls of the plastic frame (8) is provided with a strip-shaped hole, a movable rod (9) is arranged in each strip-shaped hole, and one end of each of the two movable rods (9) respectively passes through the two strip-shaped holes and is fixedly connected with the two side walls of the second transparent film (7).

3. The antistatic protective film for the OLED display screen according to claim 2, wherein one end of each of the two movable rods (9) which is away from each other is fixedly connected with a pulling block (10), and the surface of each pulling block (10) is provided with an antiskid pattern.

4. The antistatic protective film for the OLED display screen according to claim 1, wherein a radiation-proof layer (11) is fixedly arranged on the top of the transparent TPU base layer (1), and the upper side wall and the lower side wall of the radiation-proof layer (11) are fixedly bonded with the transparent TPU base layer (1) and the frosted protective film (4) respectively.

5. The antistatic protective film for OLED display screen according to claim 1, wherein the thickness of the antistatic polyurethane adhesive (2) is 20 μm, the adhesive force is 5gf/25mm, and the electrical resistance is 10⁹Ω。

6. The antistatic protective film for the OLED display screen according to claim 1, wherein the transparent TPU base layer (1) has a thickness of 75 μm, a hardness of 90A and a tensile strength of 57 MPa.