LG’s costworthy B4 OLED TV gets its price slashed by another $400 in pre-Black Friday sales. Black Friday may be a few weeks ...

Last year, for example, it announced the LG Signature OLED TV R, a roll-up TV that emerges from a rectangular speaker with the press of a button. LG showcased a similar concept back in 2018 as well.

SAVE OVER $400: As of Nov. 12, the 55-inch LG B3 OLED TV is on sale for $798 as part of Walmart's early Black Friday sale.

LG has revealed a consumer version of its roll-up TV set at the CES trade show in Las Vegas. The Signature OLED TV R is built on a concept unveiled last year, in which the screen retracts into a ...