1：Experimental Design and Method Selection:

The study involved the synthesis of highly luminescent perovskite QDs modified with polymerizable molecules, conjugated linoleic acid (CLA), and the fabrication of all-solution-processed PeLEDs. The methodology included the use of light-initiated ligands crosslinking to enable the solution deposition of charge transport layers (CTLs) over the perovskite QD films.

2：Sample Selection and Data Sources:

Perovskite QDs with varied emitting wavelengths were prepared, including CsPb(Cl0.4Br0.6)3, CsPbBr3, CH3NH3PbBr3, CsPb(Br0.5I0.5)3, and CsPbI3. Data were collected from XRD, TEM, FT-IR, TGA, XPS, UV-Vis, PL, GPC, SEM, AFM, and device performance measurements.

3：4Br6)3, CsPbBr3, CH3NH3PbBr3, CsPb(Br5I5)3, and CsPbIData were collected from XRD, TEM, FT-IR, TGA, XPS, UV-Vis, PL, GPC, SEM, AFM, and device performance measurements. List of Experimental Equipment and Materials:

3. List of Experimental Equipment and Materials: Instruments used include XRD, TEM, FT-IR, TGA, XPS, UV-Vis spectrophotometry, PL spectroscopy, GPC, SEM, AFM, and UPS. Materials include conjugated linoleic acid (CLA), CsPbX3 QDs, and various solvents for device fabrication.

4：Experimental Procedures and Operational Workflow:

The synthesis of CLA-capped perovskite QDs, light-initiated crosslinking of CLA ligands, deposition of CTLs by solution process, and fabrication of PeLEDs were carried out. The operational workflow included characterization of QDs and device performance evaluation.

5：Data Analysis Methods:

Data were analyzed using various spectroscopic and microscopic techniques. Device performance was evaluated based on luminance, EQE, and current efficiency.