Patent ID: 11862664
Assignee: APPLE INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H  B | IPC B  H

Claim 12:
13. A foldable electronic device, comprising:
a foldable housing that is configured to bend about a bend axis;
a flexible display panel coupled to the foldable housing that overlaps the bend axis; and
a display cover layer that overlaps the flexible display panel, wherein the display cover layer has a locally thinned portion overlapping the bend axis, wherein the locally thinned portion has a minimum thickness portion with a first thickness and has a variable-thickness portion with a thickness that transitions between the minimum thickness and a thickness value associated with non-thinned portions of the display cover layer, wherein the non-thinned portions of the display cover layer have a first surface normal, wherein the variable-thickness portion has a second surface normal that is angled away from the first surface normal by an angle that is less than 20 degrees, and wherein the variable-thickness portion and the minimum thickness portion have a roughened glass surface.