TV firms turn 'smart' at CES

Samsung, TCL, Hisense debut various cutting-edge products at Las Vegas expo

Global consumer electronics makers launched "bigger, sharper and smarter" TVs at this year's CES in Las Vegas, debuting versatile, multiplatform sets that connect with other home appliances.

Samsung returned to the consumer electronics show with a 75-inch (177.8 cm) 4K TV that uses the same microLED foundation as The Wall, its massive 146-inch TV set it debuted last year.