CN-224234112-U - Display apparatus

Abstract

The present application relates to a display device. The display device may include a display panel including at least one region of a curvature, and a cladding layer disposed under the display panel and overlapping the curvature region of the display panel, the cladding layer having a plurality of metal layers clad to each other, the plurality of metal layers including different metals, and a surface of the cladding layer adjacent to the display panel overlapping the entirety of the display panel.

Inventors

• Pu Xuanxiang
• JIN YONGHAI
• LIU DAOHENG
• LIU ZAIRONG
• LI ZHONGZHU
• ZHANG YONGCHENG
• ZHENG YUXUAN

Assignees

• 三星显示有限公司

Dates

Publication Date

20260512

Application Date

20250421

Priority Date

20240509

Claims (10)

1. 1. A display device, characterized in that the display device comprises: a display panel including a curved region, and A cladding layer disposed under the display panel, overlapping the curved region of the display panel, and having a plurality of metal layers cladding-bonded to each other, the plurality of metal layers including different metals, Wherein, the surface of the cladding layer adjacent to the display panel overlaps with the whole of the display panel.
2. 2. The display device according to claim 1, wherein the display panel includes: A main region; A plurality of auxiliary areas bent downward from edge portions of the main area, and And corner regions disposed at intersections of adjacent auxiliary regions among the plurality of auxiliary regions.
3. 3. The display device of claim 2, wherein the cladding layer overlaps the plurality of auxiliary regions and the corner region.
4. 4. The display device according to claim 2, wherein the clad layer comprises: A first metal layer including a first metal; A second metal layer disposed on the first metal layer and including a second metal different from the first metal, and And a third metal layer disposed on the second metal layer and including the first metal.
5. 5. The display device of claim 4, wherein the strength of the first metal is greater than the strength of the second metal.
6. 6. The display device of claim 4, wherein the second metal has a ductility that is greater than a ductility of the first metal.
7. 7. The display device of claim 4, wherein the first metal comprises at least one of nickel and stainless steel.
8. 8. The display device of claim 7, wherein the second metal comprises copper.
9. 9. The display device of claim 4, wherein the display device comprises a display device, The first, second and third metal layers overlap the entirety of the display panel.
10. 10. The display device of claim 4, wherein the display device comprises a display device, The first metal layer and the third metal layer are integrally overlapped with the display panel, and The second metal layer overlaps the plurality of auxiliary regions and the corner region of the display panel in a plan view, but does not overlap the main region.

Description

Display apparatus Cross Reference to Related Applications The present application claims priority and rights of korean patent application No. 10-2024-0061331 filed at korean intellectual property office on day 5 and 9 of 2024, the entire contents of which are incorporated herein by reference. Technical Field The present disclosure relates to a display device and a method of manufacturing a display device, wherein a region (e.g., a single region) of the display device is curved. Background Recently, as interest in information display increases and efforts to achieve wider display areas continue, research and development of a display device in which one area is curved and a method of manufacturing the display device are continuously underway. Disclosure of utility model An object to be solved by the present disclosure is to provide a display device having a wide display area without deformation of a display panel. Another object to be solved by the present disclosure is to provide a method of manufacturing a display device, which molds a display panel without deforming the display panel. The objects of the present disclosure are not limited to the above objects, and other technical objects not described will be clearly understood by those skilled in the art from the following description. According to an embodiment of the present disclosure, a display device may include a display panel including a curved region, and a cladding layer disposed under the display panel, overlapping the curved region of the display panel, and having a plurality of metal layers cladding-bonded to each other, the plurality of metal layers including different metals, and a surface of the cladding layer adjacent to the display panel may overlap the entirety of the display panel. In an embodiment, the display panel may include a main region, a plurality of auxiliary regions bent downward from edge portions of the main region, and corner regions disposed at intersections of adjacent auxiliary regions among the plurality of auxiliary regions. In an embodiment, the cladding layer may overlap the plurality of auxiliary regions and the corner regions. In an embodiment, the cladding layer may include a first metal layer including a first metal, a second metal layer disposed on the first metal layer and including a second metal different from the first metal, and a third metal layer disposed on the second metal layer and including the first metal. In an embodiment, the strength of the first metal may be greater than the strength of the second metal. In an embodiment, the ductility of the second metal may be greater than the ductility of the first metal. In an embodiment, the first metal may include at least one of nickel and stainless steel. In an embodiment, the second metal may include copper. In an embodiment, the first, second, and third metal layers may overlap with the whole of the display panel. In an embodiment, the first metal layer and the third metal layer may overlap the whole of the display panel, and the second metal layer may overlap a plurality of auxiliary regions and corner regions of the display panel in a plan view, not the main region. According to an embodiment of the present disclosure, a method of manufacturing a display device may include forming a display panel, forming a clad layer under the display panel, the clad layer may include a plurality of metal layers clad to each other, the plurality of metal layers including different metals, and forming a curved region by thermoforming the display panel and the clad layer, and a surface of the clad layer adjacent to the display panel may overlap with the entirety of the display panel. In an embodiment, the method may further include attaching the cladding layer to the display panel after forming the cladding layer. In an embodiment, in forming the curved region, the display panel includes a main region, a plurality of auxiliary regions curved downward from edge portions of the main region, and corner regions disposed at intersections of adjacent auxiliary regions among the plurality of auxiliary regions. In an embodiment, the cladding layer may overlap the plurality of auxiliary regions and the corner regions. In an embodiment, forming the clad layer may include forming a first metal layer, forming a second metal layer on the first metal layer, forming a third metal layer on the second metal layer, and cladding the first, second, and third metal layers with each other by rolling the first, second, and third metal layers. In an embodiment, the first metal layer may include a first metal, the second metal layer may include a second metal different from the first metal, and the third metal layer may include the first metal. In an embodiment, the strength of the first metal may be greater than the strength of the second metal. In an embodiment, the ductility of the second metal may be greater than the ductility of the first metal. In an embodiment, the first, second, and thi