Local current control system for adjusting brightness of plane light source in partition mode

The utility model provides a local current control system for adjusting the brightness of a planar light source in a partitioned manner, which comprises a typical working region W and two compensation working regions consisting of a compensation working region P1 and a compensation working region P2, the compensation working area P1 and the compensation working area P2 are located on the two sides of the typical working area W respectively, the typical working area W and the two compensation working areas are connected to an LED light source respectively, and the LED light source is connected to two short-circuit currents Is; according to the local current control system for adjusting the brightness of the plane light source in the partitioned mode, the light emitting amount of a light emitting body is controlled through a local current control method, light field uniformity correction is conducted, a COB plane light emitting source is arranged in the partitioned mode, current control is conducted on differen