Sony just announced their 2021 OLED TV range. Interestingly, the top-of-the line A90J will come in 55-inch, 65-inch and 83-inch sizes.
This is the first time we hear of a 83-inch OLED. This is the size that Sony quotes on their own product page, so this is not likely to be a mistake. It will be interesting to hear whether LG will announced this new size soon. Currently the company produces 48-, 55-, 65-, 77- and 88-inch OLED panels.