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:
Jan. 23, 2024
Filed:
Nov. 06, 2019
Samsung Electronics Co., Ltd., Suwon-si, KR;
Kookmin University Industry Academic Cooperation Foundation, Seoul, KR;
Du Hee Jang, Suwon-si, KR;
Sang-Kyoo Han, Seoul, KR;
Sang Hoon Lee, Suwon-si, KR;
Ka San Ha, Suwon-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
KOOKMIN UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATION, Seoul, KR;
Abstract
The present disclosure provides a display device, which enables minimization of a transformer circuit and which can be driven using various commercial voltages, and a method for controlling the display device. The display device according to an embodiment comprises: a display; a transformer which transforms commercial power and supplies the transformed commercial power to the display and which includes a plurality of switching devices; and a controller for determining, on the basis of the magnitude of an input voltage input to the transformer, whether or not to open at least one of the plurality of switching devices, and controlling the plurality of switching devices on the basis of an output voltage of the transformer to perform a modulation control of the output voltage to follow a predetermined reference voltage.