Patent ID: 11899303
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 4:
5. The color film structure according to claim 4, wherein of the surface configured to be proximate to the light-emitting substrate, a portion located between two adjacent openings of the black matrix includes two curved surfaces recessed towards the side where the black matrix is located, the two curved surfaces are symmetrically arranged relative to a bisector of a reference line, the reference line is a dummy line in an arrangement direction of the two adjacent openings and from one of the two adjacent openings to the other opening; and
in the arrangement direction of the two adjacent openings and a direction from either of the two adjacent openings to the bisector, a thickness of a portion of the reflective layer located between the two adjacent openings increases.