US 12,266,284 B2
Display device and operating method thereof
Taeksu Kwon, Suwon-si (KR); and Dongwook Suh, Bucheon-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Nov. 16, 2023, as Appl. No. 18/511,515.
Application 18/511,515 is a continuation of application No. 17/693,961, filed on Mar. 14, 2022, granted, now 11,862,059.
Claims priority of application No. 10-2021-0060684 (KR), filed on May 11, 2021.
Prior Publication US 2024/0087493 A1, Mar. 14, 2024
Int. Cl. G09G 3/20 (2006.01)
CPC G09G 3/20 (2013.01) [G09G 2300/0814 (2013.01); G09G 2310/027 (2013.01); G09G 2310/08 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of operating a display device, the display device including a local tab point line, a first switch configured to connect a first gamma line to the local tab point line according to a tab division enable signal, and a second switch configured to connect a second gamma line to the local tab point line according to the tab division enable signal, the method comprising:
generating a switch signal for a fast gamma settling circuit;
generating an enable signal by comparing previous channel data with current channel data; and
generating the tab division enable signal using the switch signal and the enable signal.