US Patent 11387309 Display substrate and preparation method thereof, and display apparatus

Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a base substrate, a plurality of pixel island regions distributed in an array and spaced apart from each other, a plurality of aperture regions, and connection bridge regions located between pixel island regions and aperture regions, which are disposed on the base substrate, wherein the connection bridge region is provided with an isolation structure layer for cutting off an organic emitting layer and a cathode in the connection bridge region.