Apparently MicroLED is going to be the new thing - individual self emissive LED's. Of course it will be expensive when it hits mass market. Apparently its better than the OLED panels (brightness, wide color gamut) and has no burn in risk.
https://www.theverge.com/2019/1/6/18168793/samsungs-75-inch-microled-4k-tv-pitcure-quality-ces-2019
https://www.theverge.com/2019/1/6/18168793/samsungs-75-inch-microled-4k-tv-pitcure-quality-ces-2019