US 12,225,645 B2
Display apparatus and method of controlling the same
Hyungsuk Kim, Suwon-si (KR); Sungyeol Kim, Suwon-si (KR); Taeyeon Kim, Suwon-si (KR); Kyehoon Lee, Suwon-si (KR); and Hyukjun Jang, Suwon-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Mar. 24, 2023, as Appl. No. 18/126,163.
Application 18/126,163 is a continuation of application No. PCT/KR2023/003066, filed on Mar. 7, 2023.
Claims priority of application No. 10-2022-0063704 (KR), filed on May 24, 2022.
Prior Publication US 2023/0389160 A1, Nov. 30, 2023
Int. Cl. G02F 1/1335 (2006.01); G02F 1/13357 (2006.01); H05B 45/56 (2020.01)
CPC H05B 45/56 (2020.01) [G02F 1/133603 (2013.01); G02F 1/133612 (2021.01)] 20 Claims
OG exemplary drawing
 
1. A display apparatus comprising:
a liquid crystal panel;
a backlight unit comprising a plurality of light sources provided on an upper surface of a substrate and configured to emit light to the liquid crystal panel; and
at least one processor configured to:
identify a plurality of dimming blocks, each of which comprises at least one light source among the plurality of light sources;
generate a dimming signal according to luminance values obtained from an input image;
predict a temperature for each of the plurality of dimming blocks based on the dimming signal and current-specific temperature profile information corresponding to the plurality of dimming blocks;
update the dimming signal based on the temperature predicted for each of the plurality of dimming blocks; and
control a supply current for each of the plurality of dimming blocks based on the dimming signal.