Oled display substrate and method of fabricating the same, display panel containing display substrate, and display device containing display panel

A display substrate, comprising:

• a first base substrate comprising a plurality of pixel units arranged in an array, wherein each of the plurality of pixel units includes a transparent area, a white sub-pixel unit, at least two color sub-pixel units, and a plurality of signal wires;
• a first electrode layer, a second electrode layer, and a light-emitting layer on the first base substrate, wherein the first electrode layer includes a plurality of first sub-electrodes disposed in the white sub-pixel unit and each of the color sub-pixel units;
• and
• a plurality of pixel drive circuits, wherein each of the plurality of pixel drive circuits is electrically coupled to a corresponding one of the plurality of first sub-electrodes;
• wherein an orthographic projection of the white sub-pixel unit on the first base substrate partially overlaps with an orthographic projection of the plurality of signal wires on the first base substrate;
• an orthographic projection of a pixel drive circuit corresponding to a first sub-electrode of the white sub-pixel unit on the first base substrate is located between an orthographic projection of the transparent area on the first base substrate and an orthographic projection of a target first sub-electrode on the first base substrate, and the target first sub-electrode is electrically coupled to one of the at least two color sub-pixel units adjacent to the white sub-pixel unit in one of the plurality of pixel units.