The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
Happened as dated, per macrumors.com: "Apple Planning to Launch Three New OLED iPhones in 2018 Earlier this year, a s…"
Macworld's own headline reports 2018 iPhone rumors naming the OLED models iPhone Xs and iPhone Xs Max, aligning with the pin's claim of OLED iPhones launching from the second half of 2018, though the article carries no listed publish date and its full text could not be retrieved directly.
AppleInsider's own headline and 23 January 2018 publish date report supply-chain rumors pointing to a mix of OLED and LCD iPhone models in 2018, consistent with the pin's claim about OLED iPhones from the second half of 2018, though the page itself could not be fetched directly to confirm further detail.
Something missing or wrong? Say it in your own words: a link that backs this pin up, a different start or end date and why, or a fact it lacks or gets wrong. The AI checks it against this pin's sources, searches for better ones, and adds any page that backs you up. The pin's own sources still count most.