Many TV models use various different sets of LED strips. 
Please match the strips shown in the photo to the originals in your TV before ordering. 
We test the led strip before shipment ,so you can buy with confidence.

New Original LED backlight bar
the price for 2 PCS 21 LED 410mm  
Compatible Samsung 40inch TV led model 
Louvre  39.5"   
V6LF_395SFA_LED21_-3-11_R3  V6LF_395SFB_LED21_-3-11_R3
BN96-39720A BN96-39721A
BN96-4655A BN96-4656A
UE40K5100 UN40K5100 UN40K5300 UA40K5100 UA40K5300 UE40K5100 UE40K5100 UA40K5100 UA40K5100AKXZN  UE40K5100AU UE40K5100AU UE40K5100AU UE40K5100AK UN40K5300AG UE40K5100AK UA40K5300BWXMV UA40K5300BR UA40K5300BK UN40K5300A UA40K5100B UA40K5300