Patent ID: 11968859
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: nan (nan)
Classification: CPC H | IPC H

Claim 1:
2. The method according to claim 1, wherein patterning the pixel defining film to form the pixel defining layer, includes:
providing a mask, wherein the mask includes first portions corresponding to the plurality of defining strips to be formed, second portions corresponding to first sub-portions to be formed, and third portions corresponding to second sub-portions to be formed; a transmittance of the first portions is 0, a transmittance of the second portions is greater than the transmittance of the first portions, a transmittance of the third portions is greater than the transmittance of the second portions, and the transmittance of the third portions is less than 100%; or a transmittance of the first portions is 100%, a transmittance of the second portions is less than the transmittance of the first portions, a transmittance of the third portions is less than the transmittance of the second portions, and the transmittance of the third portions is greater than 0;
exposing the pixel defining film by using the mask; and
developing the pixel defining film to form the pixel defining layer.