KR-20260067418-A - Electronic device including display unit and method of manufacturing a electronic device

Abstract

One embodiment of the present invention discloses a display device comprising: a display panel including a display area, a pad area located on one side of the display area, and a bending area between the display area and the pad area; a panel protection film attached to the lower part of the display panel; a flexible circuit board attached to the pad area; and a cover film attached to the pad area and the flexible circuit board; wherein the pad area overlaps with the display area by bending the bending area, and the cover film, the display panel, and the panel protection film have the same cut surface.

Inventors

• 김영곤
• 박주영
• 유제윤
• 정태현

Assignees

• 삼성디스플레이 주식회사

Dates

Publication Date

20260513

Application Date

20241104

Claims (20)

1. A display panel comprising a display area, a pad area located on one side of the display area, and a bending area between the display area and the pad area; A panel protection film attached to the lower part of the above display panel; A flexible circuit board attached to the pad area above; and A cover film attached to the pad area and the flexible circuit board; comprising By bending the above bending area, the pad area overlaps with the display area, and An electronic device comprising a display device having the same cut surface, wherein the cover film, the display panel, and the panel protection film are the same.
2. In paragraph 1, The above cover film is an electronic device comprising a display device including at least one of an insulating film, a conductive film, or a step film.
3. In paragraph 1, The above-mentioned cross-section is an electronic device including a display device located at both ends of the pad area.
4. In paragraph 1, The pad area above includes at least one marker, and The above cover film is an electronic device comprising a display device that exposes at least one marker.
5. In paragraph 1, An electronic device comprising a display device in which an inspection wire is located in the pad area, and the distance between the inspection wire and the cut surface is 80㎛ to 150㎛.
6. In paragraph 1, An electronic device comprising a display device further including a cover layer located below the panel protection film.
7. In paragraph 6, The above cover layer comprises at least one of a cushion layer and a metal plate, and is an electronic device including a display device.
8. In Paragraph 7, The above metal plate is an electronic device comprising a display device having a material having an elastic modulus of 60 GPa or more at room temperature.
9. In paragraph 1, An electronic device comprising a display device further including an upper protective film attached to the upper part of the above-mentioned display panel.
10. In paragraph 1, The above display panel is an electronic device including a display device including an organic light-emitting diode.
11. A preparation step for preparing a display panel including a display area, a pad area, and a bending area between the display area and the pad area; A panel protection film attachment step of attaching a panel protection film to the lower surface of the display panel; A flexible circuit board attachment step of attaching a flexible circuit board to the pad area; A cover film attachment step of attaching a cover film to the pad area and the flexible circuit board; A cutting step for integrally cutting the cover film, the display panel, and the panel protection film; and A bending step for bending the above display panel; including, A method for manufacturing an electronic device comprising a display device having the same cut surface, wherein the above cover film, the above display panel, and the above panel protection film.
12. In Paragraph 11, In the above cover film attachment step, A method for manufacturing an electronic device including a display device in which the width of the cover film is greater than the width of the pad area.
13. In Paragraph 12, A method for manufacturing an electronic device including a display device in which the difference in length between one end of the cover film and one end of the pad area is 200㎛ to 500㎛.
14. In Paragraph 11, In the above cutting step, A method for manufacturing an electronic device including a display device in which the above cutting is laser cutting.
15. In Paragraph 11, After the above cutting step, A method for manufacturing an electronic device including a display device, further comprising the step of attaching an upper protective film on a display panel.
16. In Paragraph 11. After the above cutting step, A method for manufacturing an electronic device including a display device, further comprising the step of forming a cover layer on the lower part of the panel protection film.
17. In Paragraph 11, A method for manufacturing an electronic device comprising a display device in which the above cover film comprises at least one of an insulating film, a conductive film, or a step film.
18. In Paragraph 11, A method for manufacturing an electronic device including a display device in which an inspection wire is located in the pad area and the distance between the inspection wire and the cut surface is 80㎛ to 150㎛.
19. In Paragraph 11, The pad area above includes at least one marker, and A method for manufacturing an electronic device comprising a display device that exposes at least one marker, wherein the above cover film.
20. Memory that stores at least one program; A processor that operates by executing at least one of the above-mentioned programs; A display device that receives data from the above processor and provides visual information; and A power module that supplies power to the above-mentioned display device; including The above display device is, A display panel comprising a display area, a pad area located on one side of the display area, and a bending area between the display area and the pad area; A panel protection film attached to the lower part of the above display panel; A flexible circuit board attached to the pad area above; and A cover film attached to the pad area and the flexible circuit board; comprising The above cover film, the above display panel, and the above panel protection film are an electronic device having the same cut surface.

Description

Electronic device including display unit and method of manufacturing an electronic device The present invention relates to an electronic device including a display device and a method for manufacturing an electronic device. Recently, various lightweight and compact flat-panel display devices are being developed. Flat-panel display devices include Liquid Crystal Displays (LCDs), Field Emission Displays (FEDs), Plasma Display Panels (PDPs), and Organic Light Emitting Displays (OLEDs). Among flat-panel display devices, Organic Light Emitting Diodes (OLEDs) display images using Organic Light Emitting Diodes that emit light through the recombination of electrons and holes. These OLEDs are gaining attention as next-generation displays because they offer fast response speeds and operate with low power consumption. The following drawings attached to this specification illustrate preferred embodiments of the present invention and serve to further enhance understanding of the technical concept of the present invention together with the detailed description of the invention provided below; therefore, the present invention should not be interpreted as being limited only to the matters described in such drawings. FIG. 1 is a schematic plan view illustrating an example of a display device according to an embodiment of the present invention. FIG. 2 is a perspective view schematically illustrating the bending shape of the display device of FIG. 1. FIG. 3 is a schematic cross-sectional view illustrating an example of the AA' section of FIG. 1. Figure 4 is a circuit diagram illustrating an example of an equivalent circuit of one (sub) pixel of the display device of Figure 1. FIG. 5 is a schematic cross-sectional view illustrating an example of the CC' cross section of FIG. 2. FIG. 6 is a cross-sectional view schematically illustrating the appearance of the display device according to FIG. 5 before bending. FIG. 7 is a flowchart schematically illustrating an example of a method for manufacturing a display device according to an embodiment of the present invention. FIG. 8 is a schematic plan view illustrating an example of a cover film attached to a display panel and an LFC cutting line. Figure 9 is an image showing a laser-cut cover film attached to a display panel. FIG. 10 is a schematic cross-sectional view illustrating an example of the B-B' section of FIG. 8. Figure 11 is an image schematically illustrating an example of the B-B' cross-section of Figure 8. FIG. 12 is a cross-sectional view schematically illustrating an example of a cover film. FIG. 13 is a cross-sectional view schematically illustrating an example of a waterproof tape and a resin-filled area attached to a display device manufactured according to one embodiment of the present invention. FIG. 14 is a schematic plan view illustrating another example of a dashplay device according to one embodiment of the present invention. FIG. 15 is a block diagram schematically illustrating an example of an electronic device according to embodiments of the present invention. FIG. 16 is a schematic perspective view illustrating an example of an electronic device including a display device according to embodiments of the present invention. The present invention is capable of various modifications and may have various embodiments; specific embodiments are illustrated in the drawings and described in detail in the detailed description. The effects and features of the present invention, and the methods for achieving them, will become clear by referring to the embodiments described below in detail together with the drawings. However, the present invention is not limited to the embodiments disclosed below but can be implemented in various forms. In the following embodiments, terms such as first, second, etc. are used not in a limiting sense, but for the purpose of distinguishing one component from another component. In the following examples, singular expressions include plural expressions unless the context clearly indicates otherwise. In the following embodiments, terms such as "include" or "have" mean that the features or components described in the specification are present, and do not preclude the possibility that one or more other features or components may be added. In the following embodiments, when a part such as a unit, area, or component is described as being on or above another part, it includes not only cases where it is directly on top of another part, but also cases where another unit, area, or component is interposed in between. In the following embodiments, terms such as "connect" or "combine" do not necessarily imply a direct and/or fixed connection or combination of two members unless the context clearly indicates otherwise, nor do they exclude the interposition of another member between the two members. In the drawings, the size of components may be exaggerated or reduced for convenience of explanation. For example, the size and/or thickness of each component