US-20260130078-A1 - DISPLAY DEVICE

Abstract

A display device includes a first data line group disposed in a fan-out area and including a plurality of first data lines extending to a display area adjacent to the fan-out area, a second data line group disposed in the fan-out area and including a plurality of second data lines extending to the display area adjacent to the fan-out area, a plurality of pixels disposed in the display area and connected to the first and second data lines, and a dummy pattern disposed in the fan-out area between the first data line group and the second data line group, where the dummy pattern is in a floating state.

Inventors

• DOGI LIM
• Young Je Cho
• Jeongil Kim
• Kwang-Min Lee

Assignees

• SAMSUNG DISPLAY CO., LTD.

Dates

Publication Date

20260507

Application Date

20251230

Priority Date

20220331

Claims (20)

1. 1 . A display device comprising: a first data line group disposed in a fan-out area and including a plurality of first data lines extending to a display area; a second data line group disposed in the fan-out area and including a plurality of second data lines extending to the display area; a plurality of pixels disposed in the display area and connected to the first and second data lines; and a dummy pattern disposed in the fan-out area between the first data line group and the second data line group, wherein the dummy pattern is provided in plurality, and wherein each of a plurality of dummy patterns is bent at least twice.
2. 2 . The display device of claim 1 , wherein the first data lines extend radially in the fan-out area toward the display area, and the second data lines extend radially in the fan-out area toward the display area.
3. 3 . The display device of claim 2 , wherein each of the plurality of the dummy patterns is in a floating state, and wherein each of the plurality of the dummy patterns has a hat shape.
4. 4 . The display device of claim 2 , wherein the plurality of dummy patterns is disposed adjacent to a first first data line adjacent to the second data line group among the first data lines and adjacent to a first second data line adjacent to the first data line group among the second data lines.
5. 5 . The display device of claim 4 , wherein the plurality of dummy patterns extends parallel to the first first data line and the first second data line.
6. 6 . The display device of claim 4 , wherein each of the plurality of dummy patterns includes: a first dummy line pattern adjacent to the first first data line and extending parallel to the first first data line; and a second dummy line pattern adjacent to the first second data line and extending parallel to the first second data line, wherein the second dummy line pattern extends by being bent from a distal end of the first dummy line pattern adjacent to the display area.
7. 7 . The display device of claim 1 , wherein each of the plurality of dummy patterns is integrally formed as a single unitary an indivisible part.
8. 8 . The display device of claim 1 , further comprising: a plurality of extensions extending from adjacent dummy patterns among the dummy patterns, wherein the extensions are integrally formed with the adjacent dummy patterns.
9. 9 . The display device of claim 1 , wherein the plurality of dummy patterns is insulated from surrounding conductors.
10. 10 . The display device of claim 1 , wherein the plurality of dummy patterns is disposed in a same layer as the first and second data lines.
11. 11 . The display device of claim 10 , further comprising: a substrate; and an insulating layer disposed on the substrate, wherein the plurality of dummy patterns and the first and second data lines are directly disposed on the substrate, and the insulating layer is disposed on the plurality of dummy patterns and the first and second data lines.
12. 12 . The display device of claim 1 , wherein the plurality of dummy patterns is disposed in a layer different from a layer in which the first and second data lines are disposed.
13. 13 . The display device of claim 12 , further comprising: a substrate; and an insulating layer disposed on the substrate, wherein the plurality of dummy patterns is disposed directly on the substrate, the insulating layer is disposed on the plurality of dummy patterns, and the first and second data lines are disposed on the insulating layer.
14. 14 . The display device of claim 1 , wherein the plurality of the dummy patterns is spaced apart from each other and extend parallel to each other to be electrically isolated from each other.
15. 15 . The display device of claim 1 , wherein each of the plurality of dummy patterns has a polygonal shape.
16. 16 . The display device of claim 1 , wherein each of the plurality of dummy patterns has a mesh shape.
17. 17 . The display device of claim 1 , wherein each of the plurality of dummy patterns has a polygonal closed loop shape.
18. 18 . A display device comprising: a first data line group disposed in a fan-out area and including a plurality of first data lines extending to a display area; a second data line group disposed in the fan-out area and including a plurality of second data lines extending to the display area; a plurality of pixels disposed in the display area and connected to the first and second data lines; and a dummy pattern disposed in the fan-out area between the first data line group and the second data line group, wherein the dummy pattern extends parallel to a first first data line adjacent to the second data line group among the first data lines and adjacent to a first second data line adjacent to the first data line group among the second data lines, wherein the dummy pattern is provided in plurality, and wherein each of a plurality of dummy patterns is bent at least twice.
19. 19 . The display device of claim 18 , wherein each of the plurality of dummy patterns includes: a first dummy line pattern adjacent to the first first data line and extending parallel to the first first data line; and a second dummy line pattern adjacent to the first second data line and extending parallel to the first second data line, wherein the second dummy line pattern extends by being bent from a distal end of the first dummy line pattern adjacent to the display area.
20. 20 . An electronic device comprising: a processer; a display device configured to display an image under control of the processer, wherein the display device comprises: a first data line group disposed in a fan-out area and including a plurality of first data lines extending to a display area; a second data line group disposed in the fan-out area and including a plurality of second data lines extending to the display area; a plurality of pixels disposed in the display area and connected to the first and second data lines; and a dummy pattern disposed in the fan-out area between the first data line group and the second data line group wherein the dummy pattern is provided in plurality, and wherein each of a plurality of dummy patterns is bent at least twice.

Description

This application is a continuation of U.S. patent application Ser. No. 17/992,374, filed on Nov. 22, 2022, which claims priority to Korean Patent Application No. 10-2022-0040740, filed on Mar. 31, 2022, and all the benefits accruing therefrom under 35 U.S.C. § 19, the content of which in its entirety is herein incorporated by reference. BACKGROUND 1. Field Embodiments of the disclosure described herein relate to a display device. 2. Description of the Related Art In general, electronic devices such as a smart phone, a digital camera, a laptop computer, a navigation system, a smart television, and the like that provide an image to a user include a display device for displaying the image. The display device generates the image and provides the generated image to the user via a display screen. In general, the display device includes a display panel and a plurality of driving integrated circuits (ICs) connected to the display panel. The driving ICs may be disposed on flexible circuit boards and connected to the display panel via the flexible circuit boards. The display panel includes a plurality of pixels for displaying the image and lines connected to the pixels. The driving ICs may be connected to the lines via the flexible circuit boards. Driving signals generated by the driving ICs are provided to the pixels via the lines, and the pixels are driven in response to the driving signals. SUMMARY In a manufacturing process of a display panel, a substrate on which pixels and lines connected thereto are formed may be transferred via transfer rollers. During such a transferring process, the lines may be charged based on friction between the substrate and the transfer rollers. In this case, a burnt phenomenon in which components on the substrate are damaged by static electricity caused by the charged lines may occur. Therefore, there is desired to develop a technology for preventing such a burnt phenomenon. Embodiments of the disclosure provide a display device capable of preventing damage to components on a substrate. According to an embodiment, a display device includes a first data line group disposed in a fan-out area and including a plurality of first data lines extending to a display area adjacent to the fan-out area, a second data line group disposed in the fan-out area and including a plurality of second data lines extending to the display area adjacent to the fan-out area, a plurality of pixels disposed in the display area and connected to the first and second data lines, and a dummy pattern disposed in the fan-out area between the first data line group and the second data line group, where the dummy pattern is in a floating state. According to an embodiment, a display device includes a first data line group disposed in a fan-out area and including a plurality of first data lines extending to a display area adjacent to the fan-out area, a second data line group disposed in the fan-out area and including a plurality of second data lines extending to the display area adjacent to the fan-out area, a plurality of pixels disposed in the display area and connected to the first and second data lines, and a dummy pattern disposed in the fan-out area between the first data line group and the second data line group, and the dummy pattern extends parallel to a first first data line adjacent to the second data line group among the first data lines and to a first second data line adjacent to the first data line group among the second data lines. According to an embodiment, a display device includes a first data line group disposed in a fan-out area and including a plurality of first data lines extending to a display area adjacent to the fan-out area, a second data line group disposed in the fan-out area and including a plurality of second data lines extending to the display area adjacent to the fan-out area, a plurality of pixels disposed in the display area and connected to the first and second data lines, and a dummy pattern disposed in the fan-out area between the first data line group and the second data line group, where the dummy pattern is insulated from surrounding conductors and no voltage is applied to the dummy pattern. BRIEF DESCRIPTION OF THE DRAWINGS The above and other features of the disclosure will become apparent by describing in detail embodiments thereof with reference to the accompanying drawings. FIG. 1 is a perspective view of a display device according to an embodiment of the disclosure. FIG. 2 is an exploded perspective view of a display device shown in FIG. 1. FIG. 3 is a diagram illustrating a cross-section of a display module shown in FIG. 2. FIG. 4 is a plan view of a display panel shown in FIG. 3. FIG. 5 is a diagram illustrating a cross-section of one pixel shown in FIG. 4. FIG. 6 is a cross-sectional view of a portion of a display area of a display module shown in FIG. 2. FIG. 7 is an enlarged view of an area AA1 shown in FIG. 4. FIG. 8 is a cross-sectional view taken along line I-I′ show