Patent ID: 8334857
Filing Date: 2012-12-18
Classification: G09G,H04N

Abstract:
1. A method for dynamically controlling a display refresh rate, comprising: driving a display device at a first refresh rate at a time t; deriving a measured content rate based on a number of first content frames with changes in content out of a plurality of content frames that are generated over a period of time between the time t and a time t driving the display device at a second refresh rate when the number of first content frames during the period of time between the time t and the time t deriving another measured content rate based on the number of first content frames with changes in content out of a plurality of content frames that are generated over a period of time between the time t and a time t driving the display device at a third refresh rate when the number of first content frames during the period of time between the time t and the time t increasing the first refresh rate to the second refresh rate before deriving the measured content rate, wherein a maximum content rate of the content frames is limited by the first refresh rate and the second condition includes the second threshold reference configured to be higher than the first refresh rate.