Method for driving an LED backlight comprising at least a first and a second segment (S1, S2), comprising the following steps: - providing a supply voltage (Vied) and a first driving current (I1) to the first segment (S1), - providing the supply voltage (Vied) and a second driving current to the second segment (S2); characterized in that the method further comprises - reducing stepwise a level of the supply voltage (Vied) until a specifiable second level of the supply voltage (Vled) is reached or until a first predefined condition in the first or second segment (S1, S2) is fulfilled , wherein the first predefined condition in the first or second segment (S1, S2) is fulfilled as soon as a first or a second signal (Sgl, Sg2) is below a predefined threshold, wherein the first signal (Sg1) is indicative of a voltage drop (Vf1) across the first segment (S1) and the second signal (Sg2) is indicative of a voltage drop (Vf2) across the second segment (S2); whereby as soon as the first or the second signal is below the predefined threshold or when the supply voltage has reached the specified lower level, the method further comprises - sensing the first signal; - sensing the second signal; - determining the maximum of the voltages (Vfl, Vf2) dropping across the first and second segment (S1, S2) by evaluating the first and the second signal; - reducing stepwise the driving current (I1, I2) of the segment (S1, S2) with the maximum voltage drop (Vfl, Vf2) until a second predefined condition in the first or second segment (S1, S2) is reached , wherein the second predefined condition is fulfilled as soon as the first or the second signal (Sgl, Sg2) reaches the predefined threshold. - providing a supply voltage (Vied) and a first driving current (I1) to the first segment (S1), - providing the supply voltage (Vied) and a second driving current to the second segment (S2); characterized in that the method further comprises - reducing stepwise a level of the supply voltage (Vied) until a specifiable second level of the supply voltage (Vled) is reached or until a first predefined condition in the first or second segment (S1, S2) is fulfilled , wherein the first predefined condition in the first or second segment (S1, S2) is fulfilled as soon as a first or a second signal (Sgl, Sg2) is below a predefined threshold, wherein the first signal (Sg1) is indicative of a voltage drop (Vf1) across the first segment (S1) and the second signal (Sg2) is indicative of a voltage drop (Vf2) across the second segment (S2); whereby as soon as the first or the second signal is below the predefined threshold or when the supply voltage has reached the specified lower level, the method further comprises - sensing the first signal; - sensing the second signal; - determining the maximum of the voltages (Vfl, Vf2) dropping across the first and second segment (S1, S2) by evaluating the first and the second signal; - reducing stepwise the driving current (I1, I2) of the segment (S1, S2) with the maximum voltage drop (Vfl, Vf2) until a second predefined condition in the first or second segment (S1, S2) is reached , wherein the second predefined condition is fulfilled as soon as the first or the second signal (Sgl, Sg2) reaches the predefined threshold. <EOS>