Monitors with Built In Center Channels

Center channel placement is an issue for me in one of my HT systems that is located in a built in.  Currently the cc resides above the TV.   The cc takes some space as well, limiting me to a 55 inch screen where a 65 inch would otherwise fit.  Dialog improved considerably when I added an AVR with room correction but I was reading a review of a Sony OLED with a built in cc.  As I understood it the entire monitor is a cc with the sound emanating from the screen.  Theoretically this should be possible with either planar magnetic or electrostatic type membranes but the review and what I Googled are fairly mum on this.  Does anyone have experience with such a monitor?