CN-113839000-B - Guide film, method of manufacturing the same, and apparatus and method of manufacturing display device

Abstract

The present application relates to a method of manufacturing a display device, a guide film, a method of manufacturing a guide film, and an apparatus for manufacturing a display device. The method of manufacturing the display device includes preparing a display panel including a main display area, a first edge area, a second edge area, a third edge area, a fourth edge area, a driving chip, and a printed circuit film, and disposing the display panel on a guide film disposed on a forming pad. The guide film includes a main film portion overlapping the main display area, a first film portion, a second film portion, a third film portion, a fourth film portion, and a first ultraviolet absorbing pattern attached to the fourth film portion.

Inventors

• LI XIANGYUAN
• PU ZHONGDE

Assignees

• 三星显示有限公司
• 三星显示有限公司

Dates

Publication Date

20260421

Application Date

20210607

Priority Date

20200608

Claims (20)

1. 1. A method of manufacturing a display device, comprising: Preparing a display panel, the display panel comprising: A main display area; a first edge region on a first side of the main display region in a first direction; A second edge region on a second side of the main display region in the first direction; a third edge region on a first side of the main display region in a second direction intersecting the first direction; A fourth edge region on a second side of the main display region in the second direction; a driving chip disposed in the first pad region of the fourth edge region, and A printed circuit film disposed in the second pad region of the fourth edge region, and The display panel is provided on a guide film provided on the shaping pad, wherein, The guide film includes: a main film portion overlapping the main display area; A first film portion disposed on a first side of the main film portion in the first direction and overlapping the first edge region; a second film portion provided on a second side of the main film portion in the first direction and overlapping the second edge region; A third film portion disposed on a first side of the main film portion in the second direction and overlapping the third edge region; a fourth film portion provided on a second side of the main film portion in the second direction and overlapping the fourth edge region, and A first ultraviolet absorbing pattern attached to the fourth film portion, Wherein the first ultraviolet absorbing pattern is disposed so as not to overlap the first film portion, the second film portion, and the third film portion.
2. 2. The method of claim 1, wherein the first ultraviolet absorbing pattern comprises an ultraviolet absorbing material.
3. 3. The method of claim 2, wherein, The guide film includes a first coupling member disposed on the first surface of the main film portion, the first surface of the first film portion, the first surface of the second film portion, the first surface of the third film portion, and the first surface of the fourth film portion, and The first coupling member is disposed between the first ultraviolet absorbing pattern and the fourth film portion and includes an ultraviolet curable adhesive.
4. 4. The method of claim 3, wherein, The guide film includes a second coupling member spaced apart from the first coupling member by the first ultraviolet absorbing pattern, and The second coupling member includes an ultraviolet non-curing adhesive.
5. 5. The method of claim 4, wherein, The guide film includes: A second ultraviolet absorbing pattern provided on a second surface of the fourth film portion opposite to the first surface of the fourth film portion, and A third coupling member disposed between the second ultraviolet absorbing pattern and the second surface of the fourth film portion, and The third coupling member includes the ultraviolet non-curing adhesive.
6. 6. The method of claim 5, wherein disposing the display panel comprises: Attaching the guide film other than the fourth film portion to the display panel via the first coupling member, and The first ultraviolet absorbing pattern is attached on the fourth edge region via the second coupling member.
7. 7. The method of claim 6, wherein disposing the display panel comprises securing a portion of the first film portion, a portion of the second film portion, a portion of the third film portion, and a portion of the fourth film portion by a clip.
8. 8. The method of claim 7, further comprising: The first, second, third and fourth edge regions of the display panel are bent from the main display region by lowering the guide film except the main film portion using a guide roller connected to the nip.
9. 9. The method of claim 8, further comprising: The curved window is laminated on the display panel by using a panel window coupling member.
10. 10. The method of claim 9, further comprising: the panel window coupling member is uv cured by applying uv light.
11. 11. The method of claim 10, further comprising: The guide film except for the fourth film portion is removed.
12. 12. The method of claim 11, further comprising: a panel backsheet spaced apart from the window by the display panel is attached to the display panel.
13. 13. The method of claim 12, further comprising: the fourth film portion, the first ultraviolet absorbing pattern and the second ultraviolet absorbing pattern are removed.
14. 14. The method of claim 13, further comprising: bending the fourth edge region.
15. 15. The method of claim 2, wherein, The guide film includes: a first coupling member disposed on the first surface of the main film portion, the first surface of the first film portion, the first surface of the second film portion, the first surface of the third film portion, and the first surface of the fourth film portion, and A second coupling member disposed between the first ultraviolet absorbing pattern and the fourth film portion, The first coupling member includes an ultraviolet curable adhesive, The second coupling member includes an ultraviolet non-curable adhesive, and Providing the display panel includes attaching the guide film to the display panel via the first coupling member.
16. 16. The method of claim 15, further comprising: The curved window is laminated on the display panel by using a panel window coupling member.
17. 17. The method of claim 16, further comprising: The guide film except for the fourth film portion is removed.
18. 18. The method of claim 17, further comprising: a panel backsheet spaced apart from the window by the display panel is attached to the display panel.
19. 19. The method of claim 18, further comprising: The first ultraviolet absorbing pattern is removed, and then the fourth film portion is removed by applying ultraviolet light.
20. 20. A guide film, comprising: A main film portion; a first film portion disposed on a first side of the main film portion in a first direction; A second film portion disposed on a second side of the main film portion in the first direction; A third film portion disposed on a first side of the main film portion in a second direction intersecting the first direction; a fourth film portion disposed on a second side of the main film portion in the second direction, and A first ultraviolet absorbing pattern attached to the fourth film portion, Wherein the first ultraviolet absorbing pattern is disposed so as not to overlap the first film portion, the second film portion, and the third film portion.

Description

Guide film, method of manufacturing the same, and apparatus and method of manufacturing display device Cross Reference to Related Applications The present application claims priority and rights of korean patent application No. 10-2020-0069103, filed on 8 th 6 th 2020, to the Korean Intellectual Property Office (KIPO), the entire contents of which are incorporated herein by reference. Technical Field The present disclosure relates to a guide film, a method of manufacturing the guide film, and an apparatus and method of manufacturing a display device. Background Electronic devices that provide images to users, such as smart phones, personal tablet computers (PCs), digital cameras, notebook computers, navigation devices, and smart Televisions (TVs), include display devices capable of displaying images. Typical display devices include display panels that generate and display images, as well as various input devices. An Organic Light Emitting Diode (OLED) display device, which is one type of display device, displays an image using an OLED that generates light through recombination of electrons and holes. The OLED display device can provide excellent response speed, high brightness, and wide viewing angle, and can be driven at low power. Display devices generally display images at their front faces, and recently, curved display devices have been developed that have curved sides and thus are capable of displaying images even on the curved sides. The curved display device includes a curved window and a curved display panel attached to the curved window. Disclosure of Invention Embodiments of the present disclosure provide a method of manufacturing a display device that minimizes movement of a bending region of a bent display panel during manufacturing of the bent display device. Embodiments of the present disclosure also provide a guide film capable of preventing movement of a bending region of a bent display panel during manufacturing of the bent display device. Embodiments of the present disclosure also provide a method of manufacturing a guide film capable of preventing movement of a bending region of a bent display panel during manufacturing of a bent display device. Embodiments of the present disclosure also provide an apparatus for manufacturing a display device capable of preventing movement of a bending region of a bent display panel during manufacturing of the bent display device. However, embodiments of the present disclosure are not limited to the embodiments set forth herein. The above and other embodiments of the present disclosure will become more readily apparent to those of ordinary skill in the art to which the present disclosure pertains by referencing the detailed description of the present disclosure given below. According to an embodiment, a method of manufacturing a display device may include preparing a display panel and disposing the display panel on a guide film disposed on a forming pad, wherein the display panel includes a main display region, a first edge region on a first side of the main display region in a first direction, a second edge region on a second side of the main display region in the first direction, a third edge region on a first side of the main display region in a second direction intersecting the first direction, a fourth edge region on a second side of the main display region in the second direction, a driving chip disposed in a first pad region of the fourth edge region, and a printed circuit film disposed in a second pad region of the fourth edge region, the guide film including a main film portion overlapping the main display region, a first film portion disposed on the first side of the main film portion in the first direction and overlapping the first edge region, a second film portion disposed on the second side of the main film portion in the first direction and overlapping the first edge region, a fourth edge region disposed on the second side of the main film portion in the first direction, and an absorption film portion disposed on the fourth side of the main film portion in the first direction. The first ultraviolet absorbing pattern may include an ultraviolet absorbing material. The guide film may include a first coupling member disposed on the first surface of the main film portion, the first surface of the first film portion, the first surface of the second film portion, the first surface of the third film portion, and the first surface of the fourth film portion. The first coupling member may be disposed between the first ultraviolet absorbing pattern and the fourth film portion, and may include an ultraviolet curable adhesive. The guide film may include a second coupling member spaced apart from the first coupling member by the first ultraviolet absorbing pattern, and the second coupling member may include an ultraviolet non-curing adhesive. The guide film may include a second ultraviolet absorbing pattern disposed on a second surface of the fourth film