US 12,470,143 B2
Power voltage generator and display device having the same
Yanguk Nam, Yongin-si (KR); and Sungchun Park, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Apr. 8, 2024, as Appl. No. 18/629,361.
Application 18/629,361 is a continuation of application No. 18/199,067, filed on May 18, 2023, granted, now 11,962,241.
Claims priority of application No. 10-2022-0123044 (KR), filed on Sep. 28, 2022.
Prior Publication US 2024/0258922 A1, Aug. 1, 2024
Int. Cl. H02M 3/158 (2006.01); G09G 3/20 (2006.01)
CPC H02M 3/158 (2013.01) [G09G 3/2096 (2013.01); G09G 2330/021 (2013.01); G09G 2330/028 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electronic device comprising:
a display device configured to display an image;
a memory device configured to store data for the display device; and
a processor configured to perform computing functions for the display device,
wherein the display device includes:
a display panel including pixels;
a display panel driver configured to control the display panel; and
a power voltage generator configured to provide a power voltage for driving the pixels to the display panel and to vary a ripple of the power voltage based on a ripple set voltage for the power voltage.