| CPC H10K 59/353 (2023.02) [H01L 27/124 (2013.01); H10K 59/131 (2023.02); H10K 59/35 (2023.02); H01L 27/1218 (2013.01)] | 20 Claims | 

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               1. A transparent display substrate, comprising: 
            at least one pixel unit, wherein each of the at least one pixel unit comprises at least three sub-pixel groups emitting light of different colors respectively, each of the sub-pixel groups comprises at least two sub-pixels, and each of the sub-pixels comprises: 
                a first electrode; 
                  a light-emitting structure block located on the first electrode; and 
                  a second electrode located on the light-emitting structure block, 
                wherein in the at least one pixel unit, two first electrodes of two adjacent sub-pixels in one of the sub-pixel groups are electrically connected by a first connecting portion, and two first electrodes of two sub-pixels in another one of the sub-pixel groups are electrically connected by a second connecting portion, wherein the second connecting portion connects two sub-pixels in the another one of the subpixel groups and is at least partially surrounding sides of at least two sub-pixels of other sub-pixel groups, and 
                the first connecting portion and the second connecting portion are located in a same layer. 
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