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. 01, 2022

Filed:

Nov. 06, 2018
Applicant:

Lg Electronics Inc., Seoul, KR;

Inventors:

Sangjoon Park, Seoul, KR;

Wonsik Kim, Seoul, KR;

Sungjin Kang, Seoul, KR;

Heeyoung Lim, Seoul, KR;

Byungchang Cha, Seoul, KR;

Geunyong Kim, Seoul, KR;

Myungdeok Bae, Seoul, KR;

Assignee:

LG ELECTRONICS INC., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01); G09G 3/32 (2016.01); G09G 5/10 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3406 (2013.01); G09G 3/32 (2013.01); G09G 5/10 (2013.01); G09G 2320/0626 (2013.01); G09G 2330/02 (2013.01);
Abstract

Disclosed herein are a digital signage system for limiting a luminance range settable by a user according to the number of power supply units (PSUs) and a method of operating the same. The digital signage system includes a panel configured to display an image, a plurality of light emitting diode (LED) driver modules configured to provide to the panel, a display device including at least one power supply unit configured to supply power to the panel and the plurality of LED driver modules, and a system controller configured to control the display device. The system controller includes a display configured to display a luminance setting screen for controlling luminance of the image and a controller configured to change a settable maximum luminance value according to the number of power supply units when the luminance setting screen is displayed.


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