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:
Jun. 04, 2024
Filed:
Dec. 04, 2020
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Assignee:
LG DISPLAY CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 59/00 (2023.01); G06F 3/01 (2006.01); H10K 50/842 (2023.01); H10N 30/20 (2023.01);
U.S. Cl.
CPC ...
H10K 59/00 (2023.02); G06F 3/016 (2013.01); H10K 50/8426 (2023.02); H10N 30/204 (2023.02);
Abstract
A display apparatus includes a display panel configured to display an image and a plurality of vibration generating devices configured to vibrate the display panel. Each of the plurality of vibration generating devices includes a plurality of first portions having a piezoelectric characteristic and a plurality of second portions disposed near the plurality of first portions to have an expansion coefficient, and the plurality of vibration generating devices have different expansion coefficients.