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.

Date of Patent:
Jul. 20, 2021

Filed:

Jun. 01, 2020
Applicant:

Samsung Display Co., Ltd., Yongin-si, KR;

Inventors:

Jung Hak Kim, Yongin-si, KR;

Do Ik Kim, Yongin-si, KR;

Young Sik Kim, Yongin-si, KR;

Sang Chul Lee, Yongin-si, KR;

Assignee:

Samsung Display Co., Ltd., Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/044 (2006.01); G06F 3/041 (2006.01); G06F 3/047 (2006.01); H01L 27/32 (2006.01); H01L 51/52 (2006.01); G09G 3/3266 (2016.01); G09G 3/3275 (2016.01); G09G 3/20 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0412 (2013.01); G06F 3/047 (2013.01); G06F 3/0443 (2019.05); G06F 3/0446 (2019.05); G06F 3/0448 (2019.05); G06F 3/04182 (2019.05); G09G 3/20 (2013.01); G09G 3/3266 (2013.01); G09G 3/3275 (2013.01); H01L 27/323 (2013.01); H01L 27/3262 (2013.01); H01L 27/3265 (2013.01); H01L 27/3276 (2013.01); H01L 51/5221 (2013.01); H01L 51/5237 (2013.01); G06F 3/04164 (2019.05); G06F 2203/04106 (2013.01); G06F 2203/04111 (2013.01); G06F 2203/04112 (2013.01); G09G 2300/0426 (2013.01); G09G 2310/0267 (2013.01); G09G 2310/0291 (2013.01); G09G 2354/00 (2013.01);
Abstract

A touch sensor includes a sensor unit having a first region including at least one pair of a first electrode and a second electrode, and a second region including at least two pairs of first electrodes and second electrodes, a plurality of sensing channels each including first and second input terminals, wherein the first input terminals of the sensing channels are connected to different ones of the first electrodes, an amplifying circuit connected between the second input terminals of the sensing channels and the second electrodes, and an input control unit connected between the amplifying circuit and the second electrodes, the input control unit including a first resistor connected to the second electrode of the first region, and a second resistor commonly connected to the second electrodes of the second region.


Find Patent Forward Citations

Loading…