US 9,811,301 B2
Terminal and apparatus and method for reducing display lag
Nam-Gon Choi, Yongin-si (KR); Gi Geun Kim, Seoul (KR); Hong Soo Kim, Hwaseong-si (KR); Geun Jeong Park, Daegu (KR); Ho Seok Son, Anyang-si (KR); Dong Gyu Lee, Seoul (KR); Dong-Won Park, Hwaseong-si (KR); Cheol Woo Park, Suwon-si (KR); Yun Ki Baek, Suwon-si (KR); and Bong Hyun You, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin, Gyeonggi-Do (KR)
Filed on Feb. 20, 2015, as Appl. No. 14/628,172.
Claims priority of application No. 10-2014-0121977 (KR), filed on Sep. 15, 2014.
Prior Publication US 2016/0077782 A1, Mar. 17, 2016
Int. Cl. G06F 3/14 (2006.01); G06F 3/041 (2006.01); G06T 11/60 (2006.01)
CPC G06F 3/1407 (2013.01) [G06F 3/0416 (2013.01); G06T 11/60 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An apparatus for reducing a display lag of a terminal comprising at least one display panel and first and second touch sensor panels corresponding to the at least one display panel, the apparatus comprising:
at least one overlay buffer configured to store at least one overlay data;
at least one touch path logic configured to:
receive first touch events from the first touch sensor panel and generate a first output based on the first touch events,
receive second touch events from the second touch sensor panel and generate a second output based on the second touch events, and
generate mask data in accordance with the first touch events or the second touch events; and
at least one rendering logic configured to, when the first touch events occur:
receive a first video image;
receive the first output of the touch path logic; and
combine the first video image with the overlay data corresponding to the first video image based on the mask data to output at least one combined display image, and to,
when the second touch events occur:
receive a second video image;
receive the second output of the touch path logic; and
combine the second video image with the overlay data corresponding to the second video image based on the mask data to output the at least one combined display image.