{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,4]],"date-time":"2026-09-04T14:24:18Z","timestamp":1788531858426,"version":"build-2803163510"},"reference-count":95,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,9,4]],"date-time":"2026-09-04T00:00:00Z","timestamp":1788480000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Chem."],"abstract":"<jats:p>\n                    Lead halide perovskite light-emitting diodes (PeLEDs) have emerged as highly promising candidates for next-generation displays and solid-state lighting, achieving record-high external quantum efficiencies (EQEs) exceeding 30%. The perovskites possess outstanding optoelectronic properties, such as high photoluminescence quantum yields (PLQY), narrow full-width at half maximum (FWHM), and efficient radiative recombination, driven fundamentally by the unique Pb\n                    <jats:sup>2+<\/jats:sup>\n                    orbital configuration that imparts direct bandgaps and intrinsic defect tolerance. However, commercializing PeLEDs in next-generation displays and lighting is bottlenecked by dual-challenges in material and device: intrinsically, the soft lattice stemming from ionic soft lattice is prone to phase degradation, ion migration, and environment-induced dissociation, triggering severe non-radiative recombination, luminescence failure and environmental toxicity; extrinsically, unbalanced carrier injection, interfacial energy-level mismatch, and Joule heating effect jointly inflict low luminescence efficiency and rapid device decay. This review offers a systematic overview of multi-dimensional strategies developed to resolve this key contradiction. From a synthetic chemistry perspective, we summarize intrinsic lattice stabilization via compositional engineering, surficial ligand passivation and core-shell heterostructures, as well as solvent-free mechano-synthesis pathways. From a device engineering standpoint, we highlight charge-transport layer optimization, self-assembled monolayer (SAM) functionalization for interfacial-defect passivation and balanced carrier injection, alongside photonic waveguiding management. Finally, we discuss future perspectives on atomic-level mechanism characterization, ligand-mediated surface reconstruction, and closed-loop lifecycle management, offering a comprehensive roadmap toward the high-performance, long-term stability and scalable commercialization of next-generation PeLEDs for display and lighting technologies.\n                  <\/jats:p>","DOI":"10.3389\/fchem.2026.1952893","type":"journal-article","created":{"date-parts":[[2026,9,4]],"date-time":"2026-09-04T13:51:31Z","timestamp":1788529891000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Lead halide perovskite light-emitting diodes: navigating challenges and opportunities for next-generation display and lighting"],"prefix":"10.3389","volume":"14","author":[{"given":"Linxiang","family":"Yang","sequence":"first","affiliation":[{"name":"School of Materials and Energy, Guang\u2019an Institute of Technology","place":["Guang\u2019an, China"]},{"name":"MIIT Key Laboratory of Advanced Display Materials and Devices, Institute of Optoelectronics & Nanomaterials, School of Materials Science and Engineering, Nanjing University of Science and Technology","place":["Nanjing, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiuting","family":"Wu","sequence":"additional","affiliation":[{"name":"MIIT Key Laboratory of Advanced Display Materials and Devices, Institute of Optoelectronics & Nanomaterials, School of Materials Science and Engineering, Nanjing University of Science and Technology","place":["Nanjing, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Beichen","family":"Yuan","sequence":"additional","affiliation":[{"name":"MIIT Key Laboratory of Advanced Display Materials and Devices, Institute of Optoelectronics & Nanomaterials, School of Materials Science and Engineering, Nanjing University of Science and Technology","place":["Nanjing, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tianjun","family":"Hu","sequence":"additional","affiliation":[{"name":"MIIT Key Laboratory of Advanced Display Materials and Devices, Institute of Optoelectronics & Nanomaterials, School of Materials Science and Engineering, Nanjing University of Science and Technology","place":["Nanjing, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cunyun","family":"Xu","sequence":"additional","affiliation":[{"name":"School of Materials and Energy, Guang\u2019an Institute of Technology","place":["Guang\u2019an, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qingsong","family":"Shan","sequence":"additional","affiliation":[{"name":"MIIT Key Laboratory of Advanced Display Materials and Devices, Institute of Optoelectronics & Nanomaterials, School of Materials Science and Engineering, Nanjing University of Science and Technology","place":["Nanjing, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haibo","family":"Zeng","sequence":"additional","affiliation":[{"name":"MIIT Key Laboratory of Advanced Display Materials and Devices, Institute of Optoelectronics & Nanomaterials, School of Materials Science and Engineering, Nanjing University of Science and Technology","place":["Nanjing, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,9,4]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"1340","DOI":"10.1021\/acsenergylett.1c00076","article-title":"Successes and challenges of core\/shell lead halide perovskite nanocrystals","volume":"6","author":"Ahmed","year":"2021","journal-title":"ACS Energy Lett."},{"key":"B2","doi-asserted-by":"publisher","first-page":"8208","DOI":"10.1002\/anie.201503153","article-title":"The role of oxygen in the degradation of methylammonium lead trihalide perovskite photoactive layers","volume":"54","author":"Aristidou","year":"2015","journal-title":"Angew. 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