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:
Mar. 23, 2021
Filed:
Dec. 18, 2019
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
DoYoung Jung, Paju-si, KR;
HyungUk Jang, Paju-si, KR;
SangHyuck Bae, Paju-si, KR;
Sungsu Han, Paju-si, KR;
Suyun Ju, Paju-si, KR;
Jongsung Kim, Paju-si, KR;
Assignee:
LG DISPLAY CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01); G06F 3/0354 (2013.01); G06F 3/038 (2013.01);
U.S. Cl.
CPC ...
G06F 3/04162 (2019.05); G06F 3/0383 (2013.01); G06F 3/03545 (2013.01); G06F 3/0412 (2013.01); G06F 3/0414 (2013.01);
Abstract
A touchscreen display device includes a display panel, a touch sensor, and a touch circuit. The touch sensor is disposed in an area corresponding to the display panel to output an uplink signal including signal intensity information regarding an intensity of a downlink signal output from an active pen. The touch circuit controls the touch sensor to output the uplink signal.