Patent ID: 11940594
Assignee: APPLE INC.
Field: Optics (Instruments)
Classification: CPC G  H | IPC G  H

Claim 0:
1. An electronic device comprising:
a housing;
a cover assembly coupled to the housing, the cover assembly comprising:
a glass cover member defining an exterior surface having a textured region, the textured region comprising a set of surface features having:
a distribution of heights, a magnitude of the heights ranging from greater than zero to less than or equal to 1.5 microns; and
a distribution of spacings between adjacent surface features of the set of surface features, the spacings ranging from 1 micron to 25 microns; and

an anti-reflection coating disposed on the textured region and comprising a plurality of inorganic dielectric layers configured to produce a neutral reflectance over the visible spectrum when disposed on the textured region; and

a display positioned below the cover assembly and configured to display a graphical output that is visible through the set of surface features and the anti-reflection coating.