US 12,248,353 B1
Method of performing power saving control on display device and related display device
Hung-Yu Huang, Tainan (TW); Shu-Ming Chang, Tainan (TW); Chia-Hui Wang, Tainan (TW); Shiang-Wei Wang, Tainan (TW); Sheng-Wen Huang, Tainan (TW); and Tsung-Yi Tsai, Tainan (TW)
Assigned to HIMAX TECHNOLOGIES LIMITED, Tainan (TW)
Filed by HIMAX TECHNOLOGIES LIMITED, Tainan (TW)
Filed on Sep. 7, 2023, as Appl. No. 18/243,659.
Int. Cl. G06F 1/26 (2006.01); G06F 1/3218 (2019.01); G06F 1/3234 (2019.01); G06F 1/3287 (2019.01); G06F 1/3203 (2019.01)
CPC G06F 1/3265 (2013.01) [G06F 1/3218 (2013.01); G06F 1/3287 (2013.01); G06F 1/3203 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of performing power saving control on a display device, comprising:
generating, by a timing controller of the display device, a power saving start indication and a power saving end indication in response to changing of a refresh rate of the display device;
receiving, by a source driver of the display device, the power saving start indication and the power saving end indication;
in response to the power saving start indication, allowing a part of circuitry of the source driver to be powered down during a vertical blanking interval; and
in response to the power saving end indication, allowing the powered down part of circuitry of the source driver to be woken up during the vertical blanking interval.