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

Claim 12:
13. A manufacturing method of a color film substrate, the color film substrate according to claim 12, the manufacturing method comprising:
manufacturing the black matrix with the plurality of openings on the base;
manufacturing the reflective layer on a side of the black matrix away from the base, wherein an orthogonal projection of the reflective layer on the base is covered by an orthogonal projection of the black matrix on the base; a surface of the reflective layer configured to be proximate to the black matrix has microstructures for scattering light, the microstructures include at least one of zigzag structures, wavy structures, columnar structures arranged in an array, conical structures arranged in an array, and spherical structures arranged in an array; or the surface of the reflective layer configured to be proximate to the black matrix includes at least one curved surface recessed towards a side where the black matrix is located; and
manufacturing the color film layer, wherein the color film layer includes the plurality of filter portions, and the at least a portion of each filter portion is located in the opening of the black matrix.