Patent ID: 11864410
Assignee: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
Field: nan (nan)
Classification: CPC H | IPC H

Claim 18:
19. The preparation method for OLED display panel of claim 18, wherein the preparation method comprises:
forming a planarization layer on a base substrate, and forming a pattern of a concave-convex structure on a side of the planarization layer away from the base substrate by a patterning process, the pattern of the concave-convex structure being in a non-display area of the OLED display panel;
forming an organic light-emitting function layer, a first encapsulation layer, and a second encapsulation layer sequentially on the base substrate on which the planarization layer is formed; wherein the first encapsulation layer is an inorganic layer, and a position corresponding to the concave-convex structure on a side of the first encapsulation layer away from the organic light-emitting function layer is an uneven surface; the second encapsulation layer is an organic layer, and the second encapsulation layer covers the first encapsulation layer in a display area and a portion of the uneven surface that is adjacent to the display area.