Patent ID: 8654066

Claim:
A display apparatus including a backlight partitioned into a plurality of sections, comprising: an external brightness measurer measuring and providing front brightness values of the display apparatus corresponding to the sections; an image signal analyzer analyzing an inputted image signal and calculating and providing a brightness influence value of each section influenced by adjacent sections; and a control signal corrector converting a source backlight control signal of each section corresponding to the image signal into an intermediate backlight control signal of each section on the basis of the front brightness values and the brightness influence values of the sections and comparing the intermediate backlight control signal with a previous final backlight control signal to generate a current final backlight control signal, wherein the control signal corrector calculates a difference between brightness depending on the previous final backlight control signal and brightness depending on the intermediate backlight control signal for each section, scales the difference depending on a sum of each front brightness value and each brightness influence value, and adds the scaled difference to the previous final backlight control signal to generate the current final backlight control signal.