The　paper　presents　an　effective　preparation　approach　for　patterning　quantum-dot　color　conversion　films　(QDCCF)　in　white-balance　display　backlights,　where　the　red　and　green　sub-pixel　arrays　are　respectively　fabricated　by　precise　screen　printing　technology　and　the　subsequent　overprinting　process.　By　using　the　D65　light　source　as　a　design　target,　a　theoretical　adjustment　method　for　output　white　balance　is　proposed,　in　which　the　quantity　ratio　of　QDs　can　be　obtained　by　combining　the　theoretical　balance　of　three　primary　colors,　the　experimental　balance　of　the　QD＇s　intensity,　and　the　transmittance　of　color　filter　(CF).　The　ratio　of　green/red　QDs　for　the　target　white　balance　was　verified　by　both　the　experiment　and　theoretical　calculation.　Results　show　that　the　measured　chromaticity　coordinates　of　the　backlight　sample　are　(0.3138,　0.3402),　the　corresponding　color　temperature　is　6385　K,　and　the　color　gamut　can　reach　86.1%　Rec.　2020　in　CIE　1976　chromaticity　diagram.　The　experimental　results　accords　well　with　the　design　theory,　which　supports　that　this　method　could　be　an　alternative　way　for　the　fabrication　of　QDCCF.