Sony led other brands to capture a 37.8% share of the global Ultra HD TV market in the first half of 2013, according to DisplaySearch. LG Electronics ranked second with a 14.2%, as Samsung Electronics took the seventh position with a 4% share. Powered by strong sales of its 55- and 65-inch models, Sony's Ultra HD TV sales yielded revenues of US$185 million in the first half compared to total global sales of US$490 million in the segment, the data showed.

Sony also plans to roll out mid-range 55- and 65-inch Ultra HD TVs in the second half of 2013, which could bring the prices of 55-inch models to US$4,000 and the 65-inch models to US$5,500.

Samsung and LG are expected to launch their own 55- and 65-inch Ultra HD TVs in late third quarter of 2013, with prices ranging US$4,500-6,000.

Chinese TV vendors may also enter the segment next year, flooding the market with 39- 50- 55- and 65-inch models.