A method for testing and analyzing a display panel, comprising: providing a display panel including a circuitry and a pixel connected to the circuitry, wherein the pixel includes a capacitor, a transistor and an electrode electrically connected to the capacitor and the transistor; measuring a first parameter of the display panel; disabling the pixel; measuring a second parameter of the display panel; and deriving a third parameter of the pixel by subtracting the second parameter from the first parameter.