Patent ID: 11948393
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 13:
14. A display apparatus, comprising a display substrate, wherein the display substrate comprises:
a base substrate;
a plurality of sub-pixels arranged on the base substrate, wherein the sub-pixels each comprise a sub-pixel driving circuit;
a plurality of fingerprint recognition structures arranged on the base substrate, wherein the fingerprint recognition structures each comprise a control circuit and a fingerprint recognition electrode, the fingerprint recognition electrode is located on a side of the control circuit facing away from the base substrate, the control circuit is coupled to the fingerprint recognition electrode, and the control circuit is used for outputting a sensing signal from the fingerprint recognition electrode;
wherein the control circuit and the sub-pixel driving circuit are arranged in a direction parallel to the base substrate;
wherein the fingerprint recognition electrode includes an electric-conductive film layer having an antireflection function, and a thickness d of the fingerprint recognition electrode in a direction perpendicular to the base substrate satisfies:

2*d* sin θ=(2k+1)*λ/2;

wherein, λ is wavelength of visible light, k is an integer greater than or equal to zero, and θ is an angle of incidence of ambient light into the fingerprint recognition electrode.