Patent ID: 11903251
Assignee: LG DISPLAY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC H

Claim 19:
20. A display device, comprising:
a first substrate including a plurality of sub-pixels;
a thin film transistor in each sub-pixel of the first substrate;
an organic light emitting element in each sub-pixel of the first substrate;
an insulating layer over the thin film transistor and the organic light emitting element;
a touch sensor over the insulating layer;
a passivation layer covering the touch sensor; and
a second substrate disposed over the passivation layer,
wherein a plurality of concave portions are formed in the insulating layer, and a concave portion among the plurality of concave portions is filled with the passivation layer to form an adhesive reinforcing portion, and
wherein the concave portion is formed of an undercut shape where an area of a lower portion is larger than an area of an entrance.