Display substrate and display device

A display substrate, comprising:

• a display region, comprising a first display region and a second display region on at least one side of the first display region, wherein the first display region is at least partially light-transmissive;
• the first display region comprises a first sub-region, the first sub-region comprises a plurality of first sub-pixels arranged in an array, and each of the plurality of first sub-pixels comprises a first light-emitting device;
• the second display region comprises a first circuit region on a side of the first display region, a second circuit region on a side of the first circuit region away from the first display region, and a third circuit region on a side of the second circuit region away from the first display region;
• the plurality of first sub-pixels comprise a plurality of first red sub-pixels, a plurality of first green sub-pixels and a plurality of first blue sub-pixels;
• the first circuit region comprises a plurality of first green pixel driving circuits arranged in an array of a plurality of rows and columns for the plurality of first green sub-pixels, and does not comprise a pixel driving circuit for the plurality of first red sub-pixels and the plurality of first blue sub-pixels;
• the second circuit region comprises a plurality of first red pixel driving circuits arranged in an array of a plurality of rows and columns for the plurality of first red sub-pixels, and does not comprise a pixel driving circuit for the plurality of first green sub-pixels and the plurality of first blue sub-pixels;
• and the third circuit region comprises a plurality of first blue pixel driving circuits arranged in an array of a plurality of rows and columns for the plurality of first blue sub-pixels, and does not comprise a pixel driving circuit for the plurality of first red sub-pixels and the plurality of first green sub-pixels;
• and
• a plurality of first light-emitting devices of the plurality of first red sub-pixels are electrically connected to the plurality of first red pixel driving circuits respectively through a plurality of first transparent wires, a plurality of first light-emitting devices of the plurality of first green sub-pixels are electrically connected to the plurality of first green pixel driving circuits respectively through a plurality of second transparent wires, and a plurality of first light-emitting devices of the plurality of first blue sub-pixels are electrically connected to the plurality of first blue pixel driving circuits respectively through a plurality of third transparent wires.