logo

For the Inventor, By the Inventor

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.:

US 10942604 B1

PDFFull Text
Date of Patent:
Mar. 09, 2021

Filed:

Dec. 18, 2019

Touch sensing device and display apparatus including the same

Applicant:

Silicon Works Co., Ltd., Daejeon, KR;

Inventors:

Hee Jin Lee, Daejeon, KR;

Jae Hwan Lee, Daejeon, KR;

Jeong Kwon Nam, Daejeon, KR;

Kyu Tae Lee, Daejeon, KR;

Hyun Soo Chung, Daejeon, KR;

Jin Yoon Jang, Daejeon, KR;

Hee Ra Yun, Daejeon, KR;

Kyung Min Shin, Daejeon, KR;

Mun Seok Kang, Daejeon, KR;

Assignee:

SILICON WORKS CO., LTD., Daejeon, KR;

Attorney:

Harness, Dickey & Pierce, P.L.C.

Primary Examiner:

Xuemei Zheng

Int. Cl.
CPC ...
G06F 3/041 (2006.01); G06F 3/044 (2006.01); H03F 3/45 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0418 (2013.01); G06F 3/044 (2013.01); G06F 3/04182 (2019.05); H03F 3/45269 (2013.01); H03F 3/45273 (2013.01); H03F 2203/45512 (2013.01);
Abstract

Disclosed is a touch sensing device for preventing touch sensing performance from being reduced by a parasitic capacitance. The touch sensing device includes a plurality of buffers buffering a difference between a reference signal and a reception signal received from a touch electrode and generating first and second currents corresponding to a buffered signal, a plurality of current mirror units generating a first output signal using a first mirror current generated through mirroring of the first current and a third mirror current generated through mirroring of the second current and generate a second output signal using a second mirror current generated through mirroring of the first current and a fourth mirror current generated through mirroring of the second current, and a plurality of integrators integrating a difference between the first output signal from an ncurrent mirror unit and the second output signal from an (n−1)current mirror unit.

Find Patent Forward Citations

Lee, Hee. (2021). Touch sensing device and display apparatus including the same (U.S. Patent No. 10942604). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10942604

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…