公开(公告)号：US20250098431A1

公开(公告)日：2025-03-20

申请号：US18742773

申请日：2024-06-13

Applicant: Samsung Display Co., Ltd.

Inventor： WONKYU CHOE ,  YOONSEOK KA ,  SEHUN KIM ,  KYONGSUB KIM ,  Jaeyoul KIM

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/38 ,  H10K59/80

Abstract: A display device is provided to include a base layer in which a pixel region and a peripheral region adjacent to the pixel region are defined, a pixel defining film which is provided on the base layer and in which a light emitting opening corresponding to the pixel region is defined, a light emitting element which is provided in the light emitting opening and generates first color light, and an encapsulation layer provided on the light emitting element, wherein the encapsulation layer includes a first inorganic encapsulation layer provided on the light emitting element, a polymer layer which is provided on the first inorganic encapsulation layer and includes a base resin and an organic acid derivative, an organic encapsulation layer provided on the polymer layer, and a second inorganic encapsulation layer provided on the organic encapsulation layer.