1results about How to "Improve visual recognition" patented technology

A screen saver controller, a display device, and a method for operating the display device are provided. The screen saver controller includes: a load calculator for generating load data for each of a plurality of panel blocks included in a display panel based on input image data; a lifespan calculator for generating lifespan data for each of the plurality of panel blocks based on accumulated degradation stress values ​​in the display panel; a first logic circuit for receiving the load data and the lifespan data, and generating operation data based on the load data and the lifespan data; and a second logic circuit for receiving the input image data and the operation data, and generating screen saver data based on the input image data and the operation data. When operating in a screen saver mode for performing screen saver operations, the screen saver controller adjusts the brightness of the display panel based on the screen saver data.