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:
Apr. 05, 2022
Filed:
Jul. 18, 2019
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventor:
Seungje Park, Seoul, KR;
Assignee:
LG ELECTRONICS INC., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25D 23/02 (2006.01); G06F 3/041 (2006.01); H03K 17/96 (2006.01); F25D 29/00 (2006.01);
U.S. Cl.
CPC ...
F25D 23/028 (2013.01); G06F 3/0414 (2013.01); H03K 17/964 (2013.01); F25D 29/005 (2013.01); F25D 2400/361 (2013.01);
Abstract
A touch sensor assembly may include a touch substrate that is attached to a rear of a front panel on which touch points are displayed, a piezo disc in which a first pole and a second pole are stacked, wherein the first pole faces the touch substrate to contact a rear of the touch substrate; a holder that is configured to support a lateral surface and a rear of the piezo disc to fix the piezo disc to the rear of the touch substrate, and a cover that has a front surface which adheres to the rear of the touch substrate and that includes a concave chamber which is overlapped with the holder. A refrigerator door may include the touch sensor assembly.