Manufacturing method of display panel, and electronic equipment

This is the U.S. National Stage of International Patent Application No. PCT/CN2019/116452 filed Nov. 8, 2019, which in turn claims the benefit of Chinese Patent Application No 201910771363.8 filed Aug. 20, 2019.

The present disclosure relates to the technical field of display, and in particular, relates to a manufacturing method of display panel, an electronic equipment, and a storage medium.

With the development of electronic devices, users have increasingly higher requirements for the screen-body ratios of display screens. The display screens are gradually developing towards full screens, thereby advancing the technology of the display screen.

To reduce the bezels of electronic devices, bending areas (Pad bending) are usually formed outside the display area of the display panel. By bending the bending areas to the back of the electronic device, a narrow bezel design is realized.

Technical Problem

However, the existing bending areas have a large stress during the bending process, so it is easy to cause the circuit in the bending area to break. As a result, it is necessary to provide a manufacturing method of display panel, an electronic equipment, and a storage medium to solve the defects existing in the conventional technology.

Technical Solution

An object of the present disclosure is to provide a manufacturing method of display panel, an electronic equipment, and a storage medium, which can prevent a disconnection of a circuit in a bending area.

To achieve the above object, the present disclosure provides a manufacturing method of a display panel, wherein the display panel includes a display area and a bending area, and the manufacturing method comprises steps of:

forming a buffer on at least one portion of a first base, wherein the first base is a substrate located in the bending area, and the buffer is made by nano-imprinting or melting;

forming a release film on an upper surface of the buffer;

forming a first flexible substrate on the buffer having the release film;

forming display units on the first flexible substrate; and

removing the release film to separate the buffer from the first flexible substrate, so that a groove is formed on the first flexible substrate at a position corresponding to the buffer.

The present disclosure further provides a manufacturing method of a display panel, wherein the display panel includes a display area and a bending area, and the manufacturing method comprises steps of:

forming a buffer on at least one portion of a first base, wherein the first base is a substrate located in the bending area;

forming a first flexible substrate on the buffer;

forming display units on the first flexible substrate; and

removing the buffer from the first flexible substrate, so that a groove is formed on the first flexible substrate at a position corresponding to the buffer.

The present disclosure further provides an electronic equipment, including a controller and a memory configured to store instructions, wherein the controller is configured to execute the instructions to implement said manufacturing method of the display panel.

The present disclosure further provides a storage medium, wherein at least one instruction is stored in the storage medium, and the instruction is loaded and executed by a processor to implement the manufacturing method of the display panel.

Beneficial Effects

The present disclosure is to provide a manufacturing method of display panel, an electronic equipment, and a storage medium. By forming the buffer on at least one portion of the first base, forming the first flexible substrate on the buffer, forming the display units on the first flexible substrate, and removing the buffer from the first flexible substrate, the grooves are formed on the first flexible substrate at a position corresponding to the buffer. Since the grooves are formed on the first flexible substrate at a position corresponding to the buffer, the bending stress in the bending area is alleviated, and the circuit in the bending area can be prevented from being broken.

FIG. 1 is a schematic structural view of a first step of a manufacturing method of a display panel according to a first embodiment of the present disclosure.

FIG. 2 is a schematic structural view of a second step of a manufacturing method of the display panel according to the first embodiment of the present disclosure.

FIG. 3 is a schematic structural view of a third step of a manufacturing method of the display panel according to the first embodiment of the present disclosure.

FIG. 4 is a schematic structural view of a fourth step of a manufacturing method of the display panel according to the first embodiment of the present disclosure.

FIG. 5 is a schematic structural view of a second step of a manufacturing method of the display panel according to a second embodiment of the present disclosure.

FIG. 6 is a schematic structural view of the second and fourth steps of a manufacturing method of the display panel according to a third embodiment of the present disclosure.

FIG. 7 is a schematic structural view of a preferred structure of a fourth step of a manufacturing method of the display panel according to a third embodiment of the present disclosure.

FIG. 8 is a schematic structural view of a first step of a manufacturing method of the display panel according to a fourth embodiment of the present disclosure.

FIG. 9 is a schematic structural view of the display panel according to a fourth embodiment of the present disclosure.

Structural and technical means adopted by the present disclosure to achieve the above and other objects can be best understood by referring to the following detailed description of the preferred embodiments and the accompanying drawings. Furthermore, directional terms described by the present disclosure, such as upper, lower, front, back, left, right, inner, outer, side, longitudinal/vertical, transverse/horizontal, etc., are only directions by referring to the accompanying drawings, and thus the used directional terms are used to describe and understand the present disclosure, but the present disclosure is not limited thereto.

Referring to FIG. 1 to FIG. 4 , FIG. 1 is a schematic structural view of a first step of a manufacturing method of a display panel according to a first embodiment of the present disclosure.

A manufacturing method of a display panel according to an embodiment includes:

Step S 101 of forming a buffer on at least one portion of a first base.

For example, as shown in FIG. 1 , the display panel includes a display area 101 and a bending area 102 ; a first substrate 11 includes the first base 111 and a second base 112 , wherein the first base 111 is the substrate located in the bending area 102 . The first base 111 corresponds to the position of the bending area 101 , and the second base 112 corresponds to the position of the display area 102 .

The buffer 20 formed on at least one portion of a first base 111 , and the buffer 20 includes three buffer portion 21 . The number of the buffer portion 21 may be one, two, or more. A shape of a longitudinal cross-section of the buffer portion 21 is at least one of a rectangle, a triangle, a semicircle, a trapezoid, and a polygon, or not limited to the above shapes. The buffer 20 is made by nano-imprinting, melting, or other way, and the buffer 20 can be stably adhered to the first substrate 11 .

For example, as shown in FIG. 2 , the first flexible substrate 12 is formed on the buffer 20 , and the material of the first substrate 12 may be polyimide (PI).

For example, as shown in FIG. 3 , The display units 30 are formed on the first flexible substrate 12 , wherein the display units 30 include a switch array layer, or an organic light emitting display layer. The switch array layer includes a plurality of thin film transistors, and the organic light emitting display layer includes an anode, an organic light emitting layer, and a cathode.

Step S 104 of removing the buffer from the first flexible substrate, so that a groove is formed on the first flexible substrate at a position corresponding to the buffer.

For example, as shown in FIG. 4 , in one embodiment, the substrate 11 and the buffer 20 can be removed from the first flexible substrate 12 , so that a plurality of grooves 121 are formed on the first flexible substrate 12 at a position corresponding to the buffer 20 , wherein the number of the grooves 121 corresponds to the number of the buffer portion 21 .

Since the buffer is formed on the portion of the first base, the groove are formed on the first flexible substrate at the position corresponding to the buffer, so that the bending stress in the bending area can be relieved, and the circuit in the bending area can be prevented from being broken.

Referring to FIG. 5 , a schematic structural view of a second step of a manufacturing method of the display panel according to a second embodiment of the present disclosure is illustrated.

The manufacturing method of a display panel according to the embodiment includes:

Step S 201 of forming a buffer on at least one portion of a first base, wherein the first base is a substrate located in the bending area.

Step S 202 of forming a release film on an upper surface of the buffer.

For example, as shown in FIG. 5 , the release film 40 is formed on the upper surface of the buffer 20 , wherein the release film 40 may be a metal, a metal oxide, an organic material, a non-organic material, or the like, and the release film 40 may be a substance that is dissolved or melted after a reaction in certain specific environments, so as to facilitate peeling of the release film 40 .

In other words, the first flexible substrate is formed on the buffer having the release film.

Step S 205 of removing the release film to separate the buffer from the first flexible substrate.

For example, in one embodiment, the step of removing the release film 40 includes dissolving or melting the release film 40 to remove the release film 40 .

Step S 201 and Step S 204 are respectively the same as the first and third steps in the first embodiment, respectively.

Since the release film is formed on the upper surface of the buffer, it is convenient to peel the buffer from the first flexible substrate and prevent the flexible substrate from being damaged.

Referring to FIG. 6 and FIG. 7 , FIG. 6 is a schematic structural view of the second and fourth steps of a manufacturing method of the display panel according to a third embodiment of the present disclosure.

The manufacturing method of the display panel according to the embodiment includes:

Step S 301 of forming a buffer on at least one portion of a first base;

Said step is same as step S 101 .

Said step is same as step S 102 .

For example, in the above S 303 , as shown in FIG. 6 , the barrier layer 13 is formed on the first flexible substrate 12 , and the barrier layer 13 is used to block water and oxygen.

For example, the display units 30 are formed on the barrier layer 13 .

In order to further prevent the circuit in the bending area from being broken, the above S 304 may further includes:

Step S 3041 , in which a second flexible substrate is formed on the barrier layer;

Step S 3042 , in which the display units are formed on the second flexible substrate.

For example, as shown in FIG. 7 , the second flexible substrate 14 is formed on the barrier layer 13 , and the display units 30 are formed on the second flexible substrate 14 .

S 305 , removing the buffer from the first flexible substrate, so that a plurality grooves are formed on the first flexible substrate at a position corresponding to the buffer. Said step is the same as step S 104 .

Referring to FIG. 8 and FIG. 9 , FIG. 8 is a schematic structural view of a first step of a manufacturing method of the display panel according to a fourth embodiment of the present disclosure.

As shown in FIG. 8 and FIG. 9 , the manufacturing method of the display panel of the embodiment is different from that of the first embodiment in that: the first step of them are different. The manufacturing method of the embodiment includes:

Step S 401 of forming the buffer on the entire first base, wherein the first base is a substrate located in the bending area;

For example, as shown in FIG. 8 , the display panel includes a bending area 101 and a display area 102 . The first substrate includes a first base 111 and a second base 112 . The first base 111 is the substrate located in the bending area 101 , and the second base 112 corresponds to the position of the display area 102 .

Such as the buffer 20 is formed on entire first base 111 .

Step S 404 of removing the buffer from the first flexible substrate, so that a groove is formed on the first flexible substrate at a position corresponding to the buffer.

For example, as shown in FIG. 9 , in one embodiment, the substrate 11 and the buffer 20 can be removed from the first flexible substrate 12 , so that a plurality of grooves 121 are formed on the first flexible substrate 12 at a position corresponding to the buffer 20 .

Since the buffer is formed on the entire first base, so that the grooves are formed on the first flexible substrate at a position corresponding to the buffer, the bending stress in the bending area is alleviated, and the circuit in the bending area can be prevented from being broken.

In summary, although the present disclosure has been disclosed as above with preferred embodiments, however, the foregoing preferred embodiments are not intended to limit the present disclosure. Those of ordinary skill in the art can make various modifications and decorations without departing from the spirit and scope of this present disclosure. Therefore, the protection scope of this present disclosure is subject to the scope defined by the claims.