What is Good Result for Membrane Protein in Immunocytochemistry (ICC)?

If one protein is expressed on the cell membrane, it is not expressed in other areas. If the antibody specificity is good, the sensitivity is high, then the result of the immune fluorescence can be clearly seen in the cell membrane, and the background is very clean.For example:

Good Result

Target:Human JAM-A
Bad Results

Target:Human JAM-A