公开(公告)号：US20220314578A1

公开(公告)日：2022-10-06

申请号：US17309517

申请日：2020-12-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Penghao Gu ,  Chunyan Xie ,  Song Zhang ,  Ziang Han

IPC: B32B7/06 ,  B32B7/14 ,  B32B27/36 ,  B32B27/28 ,  B32B15/18 ,  B32B37/02 ,  B32B37/12 ,  B32B37/18 ,  B32B38/10 ,  B32B3/16

Abstract: The present disclosure provides a flexible display device. The flexible display device has different base materials for the back supporting film at the bonding region and the non-bonding region, so that it can satisfy the requirements for AOI and bending resistance respectively. The present disclosure also provides a back film for a flexible display device and a preparation method thereof.