Patent ID: 8269215

Claim:
An n-channel organic semiconductor of Formula I: wherein Y is selected from the group consisting of hydrogen, A, wherein A is an electron withdrawing substituent; and wherein R is selected from the group consisting of formulas III, IV, V and VI; and wherein X is —(CH 2 ) v —, —(CH 2 ) w —O—, or —(CH 2 ) w —O—(CH 2 ) v —; and wherein Z is —OC n F (2n+1) , or —C n F (2n+1) where n is 1, 2, 3 or 4; and wherein a is independently 1, 2, 3, or 4; and wherein b is an integer from 1 to 20; and wherein c is 1, 2 or 3; and wherein d is independently 0, 1, 2, 3, or 4; and wherein e and f are independently integers from 2 to 12; and wherein v is independently 1, 2, 3, or 4, and w is independently 2, 3, or 4; and wherein y is each independently 0, 1, 2, 3, or 4; and wherein t is an integer from 1 to 20; or R is formula II wherein X is —(CH 2 ) v —, and wherein v is 2, 3, or 4; and 1 ; and wherein m is an integer from 1 to 5.