US 12,255,490 B2
Display apparatus and control method thereof
Moonyoung Kim, Suwon-si (KR); Jeongil Kang, Suwon-si (KR); and Keonwoo Kim, Suwon-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Apr. 4, 2023, as Appl. No. 18/130,609.
Application 18/130,609 is a continuation of application No. PCT/KR2022/021710, filed on Dec. 30, 2022.
Claims priority of application No. 10-2022-0036027 (KR), filed on Mar. 23, 2022.
Prior Publication US 2023/0307947 A1, Sep. 28, 2023
Int. Cl. H02J 9/06 (2006.01)
CPC H02J 9/065 (2013.01) 20 Claims
OG exemplary drawing
 
1. A display apparatus, comprising:
a backlight;
a main circuit;
a power supply configured to output a first power to drive the backlight and a second power to drive the main circuit;
a first battery configured to be charged by the first power and supply power to the backlight;
a second battery which is connected to the first battery in series, and configured to be charged by the first power and supply power to the backlight and the main circuit; and
a control circuit configured to control the first battery and the second battery to be charged with the first power for a first time period, and drive the backlight with first battery power of the first battery and second battery power of the second battery for a second time period.