Backlight adjustment circuit, backlight module and display device

A backlight module, comprising a backlight adjustment circuit and optical films, wherein the backlight adjustment circuit comprises a reference electrical information circuit, a feedback selection circuit, a main control circuit and at least two parallel light-emitting branches;

• wherein the reference electrical information circuit is connected to the main control circuit and is configured to provide reference electrical parameter information to the main control circuit;
• the feedback selection circuit is respectively connected to the main control circuit and the at least two light-emitting branches and is configured to provide the main control circuit with electrical information of each of the at least two light-emitting branches;
• and the main control circuit is connected to the at least two light-emitting branches and is configured to adjust a current magnitude of the each of the at least two light-emitting branches according to the reference electrical parameter information and the electrical information of the each of the at least two light-emitting branches.