US 12,131,721 B2
Updating an image displayed on a display device
Edmund Passon, Scottsdale, AZ (US); Ian Kyles, West Linn, OR (US); Aaron Boyce, Tigard, OR (US); and Glen R. Sands, Santa Monica, CA (US)
Assigned to Snap Inc., Santa Monica, CA (US)
Filed by Snap Inc., Santa Monica, CA (US)
Filed on May 31, 2023, as Appl. No. 18/204,358.
Application 18/204,358 is a continuation of application No. 17/791,396, granted, now 11,756,512, previously published as PCT/US2021/012678, filed on Jan. 8, 2021.
Claims priority of provisional application 62/958,627, filed on Jan. 8, 2020.
Prior Publication US 2023/0306930 A1, Sep. 28, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G09G 5/393 (2006.01); G09G 5/395 (2006.01)
CPC G09G 5/393 (2013.01) [G09G 5/395 (2013.01); G09G 2310/04 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display system for updating an image displayed on a display device, the display system comprising:
display driver logic configured to:
receive image frame data; and
process the image frame data to:
generate updated image data; and
compute a map identifying one or more active areas of the display device for updating, the one or more active areas of the display device determined at least in part by analyzing whether or not there are any non-black pixels in areas of the display device; and
display backplane circuitry configured to:
update pixel driver circuity that updates pixels of the display device in the one or more active areas with the updated image data.