Patent 11349088 was granted and assigned to BOE Technology Group Co., Ltd. on May, 2022 by the United States Patent and Trademark Office.
A flexible substrate includes a first part and a second part at a side surface of the first part which is perpendicular to a plane in which the first part extends. An elastic modulus of the first part is less than an elastic modulus of the second part, and holes are distributed in the flexible substrate.