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:
Oct. 22, 2019
Filed:
Oct. 12, 2017
Lg Display Co., Ltd., Seoul, KR;
HyunWoo Jang, Goyang-si, KR;
SuWon Lee, Ansan-si, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
The present disclosure provides a touch display device and a touch driving circuit which support touch sensing of an active pen, and a method of driving the same. Sensing data acquired during a first sensing time period in a pen position sensing section may be transmitted as one data packet, and a plurality of pieces of sensing data acquired during a second sensing time period shorter than the first sensing time period in a pen data sensing section may be transmitted as one data packet, so that it is possible to reduce an unnecessary sensing time period when pen data is sensed, while preventing sensing data transmission sections from overlapping each other. In addition, information about a Most Significant Bit (MSB) of the sensing data to be transmitted when the sensing data is transmitted may be transmitted in the pen data sensing section, so that it is possible to easily restore the sensing data while minimizing a loss of the sensing data.