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:
Sep. 10, 2024
Filed:
May. 12, 2023
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Beom-Jin Kim, Seoul, KR;
HyeongWon Kang, Seoul, KR;
Assignee:
LG DISPLAY CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01); G06F 3/044 (2006.01);
U.S. Cl.
CPC ...
G06F 3/04164 (2019.05); G06F 3/0418 (2013.01); G06F 3/044 (2013.01); G06F 3/0412 (2013.01);
Abstract
An analog front end for a touch display device operates each of two or more charge removers through a simplified wiring structure by providing an analog front end including a charge remover including a switched-capacitor array that discharges electric charge of a first input terminal of an operational amplifier and a control signal latching circuit that latches a received serial signal according to a generated pulse to generate and output an individual control signal of the switched-capacitor array.