Patent ID: 11874975
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 11:
12. A display device comprising:
a display panel comprising a code pattern comprising a plurality of sub-code patterns and a peripheral area disposed around the code pattern; and
an electronic pen configured to emit light to the code pattern of the display panel, detect light reflected from the code pattern, and recognize position information according to sub-code patterns detected from the code pattern,
wherein the electronic pen comprises:
a code processor configured to, when sub-code patterns among the plurality of sub-code patterns are detected in a portion of a detection area which overlaps at least a part of the code pattern, generate a virtual code pattern corresponding to a remaining portion of the detection area; and
a projector configured to output the virtual code pattern to the remaining portion of the detection area.