公开(公告)号：US20200077508A1

公开(公告)日：2020-03-05

申请号：US16555561

申请日：2019-08-29

Applicant: Japan Display Inc.

Inventor： Kota UOGISHI ,  Koji HIRAMOTO ,  Kengo KOWATA

IPC: H05K1/02 ,  H05K1/03 ,  H05K3/28 ,  H05K3/12

Abstract: According to one embodiment, a display device includes a display panel including pad portions, a flexible printed circuit, the flexible printed circuit includes a base member with a first surface and a second surface, wiring lines, and a protective layer, and including a bend area, and a first edge and a second edge, the base member includes a groove portion located in the bend area and formed in the second surface, a first frame region between the first edge and the groove portion, and a second frame region between the second edge and the groove portion, a thickness of the base member in a position where the groove portion is formed is less than a thickness of the base member in a position which overlaps the first frame region and the second frame region.

公开(公告)号：US20200352020A1

公开(公告)日：2020-11-05

申请号：US16935279

申请日：2020-07-22

Applicant: Japan Display Inc.

Inventor： Kota UOGISHI ,  Koji HIRAMOTO ,  Kengo KOWATA

IPC: H05K1/02 ,  H05K3/12 ,  H05K3/28 ,  H05K1/03

Abstract: According to one embodiment, a display device includes a display panel including pad portions, a flexible printed circuit, the flexible printed circuit includes a base member with a first surface and a second surface, wiring lines, and a protective layer, and including a bend area, and a first edge and a second edge, the base member includes a groove portion located in the bend area and formed in the second surface, a first frame region between the first edge and the groove portion, and a second frame region between the second edge and the groove portion, a thickness of the base member in a position where the groove portion is formed is less than a thickness of the base member in a position which overlaps the first frame region and the second frame region.