Patent ID: 11963431
Assignee: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
Field: Optics (Instruments)
Classification: CPC G  H | IPC G  H

Claim 3:
4. A flexible display panel, manufactured by using the method according to claim 1, wherein the flexible display panel comprises a display region and a flexible bendable region outside the display region, and the flexible display panel comprises:
a substrate;
a buffer layer on the substrate;
an insulating layer on a side of the buffer layer distal to the substrate;
a first trench in the insulating layer and in the flexible bendable region; and
a second trench in the buffer layer and in the first trench,
wherein a size in a first direction of a surface of the first trench proximal to the second trench is larger than a size in the first direction of a surface of the second trench proximal to the first trench, a step is formed at a junction of the first trench and the second trench, and a slope angle of the step is smaller than 60°.