Light-Emitting Substrate and Manufacturing Method Therefor, Backlight Module, and Display Apparatus

A light-emitting substrate comprising:

• a substrate, a plurality of light-emitting devices and a reflective layer that are disposed on a side of the substrate;
• wherein the reflective layer has a plurality of openings, the plurality of openings include a plurality of first openings, and a light-emitting device of the plurality of light-emitting devices is located in a first opening of the plurality of first openings;
• and
• the reflective layer includes a plurality of first reflective portions and a second reflective portion connecting any two adjacent first reflective portions;
• a first reflective portion, corresponding to the light-emitting device, of the plurality of first reflective portions is located on at least one side of the light-emitting device;
• a thickness of the first reflective portion is less than a thickness of the second reflective portion.