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:
Nov. 02, 2021

Filed:

Jul. 15, 2019
Applicant:

Japan Display Inc., Tokyo, JP;

Inventors:

Takafumi Suzuki, Tokyo, JP;

Shota Hosaka, Tokyo, JP;

Yosuke Nakamori, Tokyo, JP;

Assignee:

Japan Display Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/044 (2006.01); G02F 1/1343 (2006.01); G02F 1/1333 (2006.01); G06F 3/041 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0445 (2019.05); G02F 1/1343 (2013.01); G02F 1/13338 (2013.01); G06F 3/0412 (2013.01); G06F 3/0446 (2019.05); G06F 3/0447 (2019.05); G06F 3/041662 (2019.05);
Abstract

A force detection apparatus is provided and includes a first electrode facing an input surface to which an object to be detected applies force, and configured to be supplied with a reference potential; a second electrode and a third electrode facing the first electrode; a first conductor arranged between the first electrode, and the second and third electrodes, and configured to be supplied with a drive signal; a first dielectric layer arranged between the first electrode and the first conductor; and a second dielectric layer arranged between the first conductor, and the second and third electrodes, wherein the second electrode is configured to be supplied with the reference potential, and wherein a signal that is same as the drive signal is supplied in synchronization with the drive signal to the third electrode.


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