What is Sony KDL?
The two letters after the K (the D and L in this example) have changed over the years to designate what type of TV it is – CRT, Projection, Plasma, OLED, LCD, etc. In this case, the KDL prefix simply indicates TVs that are LCD type models.
Does Sony Bravia have 4K?
4K TVs | Experience Sony Bravia 4K Ultra HD TVs | Sony LR. The revolutionary upscaling technology on our latest TVs brings everything you watch to life in our stunning 4K quality. Discover a world of apps, movies and music with seamless usability through Sony’s Android TV, and enjoy it all on our thinnest models ever.