After Samsung, the world's second-biggest TV set maker LG Electronics estimated profit of 75.3 billion won (US$67.03 million) for Q4 last year, down 80% from the same period a year ago. Revenue fell 7% to 15.8 trillion won.

No further detail has been disclose. LG will announce the full results at the end of this month.

Earlier in the day, Samsung estimated quarterly profit drop for the first time in 2 years. Due to tough environment in memory chip and mobile phone market.