US 12,136,388 B2
Organic light emitting display device and method of operating the same
Jeongmin Sung, Seoul (KR); and Woo-Chul Kim, Seoul (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Aug. 8, 2023, as Appl. No. 18/446,432.
Application 18/446,432 is a continuation of application No. 17/722,288, filed on Apr. 15, 2022, granted, now 11,721,279.
Application 17/722,288 is a continuation of application No. 17/039,936, filed on Sep. 30, 2020, granted, now 11,308,870, issued on Apr. 19, 2022.
Application 17/039,936 is a continuation of application No. 15/943,325, filed on Apr. 2, 2018, granted, now 10,796,632, issued on Oct. 6, 2020.
Claims priority of application No. 10-2017-0064245 (KR), filed on May 24, 2017.
Prior Publication US 2023/0386402 A1, Nov. 30, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G09G 3/3208 (2016.01); G09G 5/00 (2006.01); H10K 59/00 (2023.01)
CPC G09G 3/3208 (2013.01) [G09G 5/003 (2013.01); H10K 59/00 (2023.02); G09G 2300/0814 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0842 (2013.01); G09G 2300/0861 (2013.01); G09G 2310/0264 (2013.01); G09G 2340/04 (2013.01); G09G 2340/0435 (2013.01); G09G 2340/0442 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electronic device comprising:
a source device configured to output image data; and
a sink device configured to perform a displaying operation based on the image data, the sink device comprising a display panel including a pixel circuit that includes a light emitting element configured to emit light in response to an emission on-off clock and a display panel driving circuit configured to drive the display panel,
wherein the source device is configured to change a frame rate of an image frame composing the image data while the displaying operation is performed,
wherein the sink device is configured to receive the image frame, to change a frame rate of a panel driving frame for the displaying operation according to the frame rate of the image frame, and to perform the displaying operation based on the image frame by applying the emission on-off clock to the panel driving frame, and
wherein the frame rate of the image frame is changed while satisfying a condition in which an emission duty ratio of the panel driving frame is not changed.