The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 01, 2025
Filed:
Jan. 26, 2024
Hideep Inc., Seongnam-si, KR;
Hwanhee Lee, Seongnam-si, KR;
Seyeob Kim, Seongnam-si, KR;
Bonkee Kim, Seongnam-si, KR;
Hyoungwook Woo, Seongnam-si, KR;
Kiryoung Jung, Seongnam-si, KR;
Wonwoo Lee, Seongnam-si, KR;
HIDEEP INC., Seongnam-si, KR;
Abstract
An embodiment of the present invention provides a display device including: a touch sensor configured to sequentially transfer an electromagnetic signal having two or more frequencies to a stylus pen, and to receive an electromagnetic signal corresponding to the electromagnetic signal from the stylus pen; and a touch controller configured to operate the touch sensor by determining one of the two or more frequencies as the frequency of the electromagnetic signal depending on a change in the received electromagnetic signal.