US 12,094,427 B2
Dimming processing device and timing controller
Hyun Kyu Jeon, Daejeon (KR); Ji Won Lee, Daejeon (KR); Jung Eun Baek, Daejeon (KR); Xin Cui, Daejeon (KR); and Do Hoon Lee, Daejeon (KR)
Assigned to SILICON WORKS CO., LTD., Daejeon (KR)
Filed by SILICON WORKS CO., LTD., Daejeon (KR)
Filed on Oct. 2, 2023, as Appl. No. 18/479,683.
Application 18/479,683 is a continuation of application No. 17/235,049, filed on Apr. 20, 2021, granted, now 11,810,523.
Claims priority of application No. 10-2020-0048515 (KR), filed on Apr. 22, 2020.
Prior Publication US 2024/0029668 A1, Jan. 25, 2024
Int. Cl. G09G 3/34 (2006.01)
CPC G09G 3/3406 (2013.01) [G09G 2310/08 (2013.01); G09G 2320/0247 (2013.01); G09G 2320/064 (2013.01); G09G 2320/0646 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a backlight; and
a dimming processing device for controlling the backlight,
wherein the dimming processing device comprises:
a dimming value receiving circuit configured to receive a first dimming value and a second dimming value, wherein the first and second dimming values are for adjusting the backlight, and wherein a frame includes a first time interval, a second time interval subsequent to the first time interval, and a third time interval subsequent to the second time interval; and
a dimming value adjusting circuit configured to:
adjust the first dimming value to a predetermined dimming value at a first rate during the first time interval,
adjust the predetermined dimming value to the second dimming value at a second rate different from the first rate during the second time interval, and
maintain the second dimming value during the third time interval,
wherein the predetermined dimming value is a value between the first dimming value and the second dimming value.