Worldwide personal computer (PC) monitor shipments are expected to reach 113.6 million units by 2017, according to a report from International Data Corporation (IDC).

According to the report, about 33.8 million units of the PC monitors have been shipped in the first quarter of 2013, a decrease compared to its previous forecast of 34.7 million units, due to continuous decrease in the demand for PC desktops.

For the year 2013, the total monitor shipments are expected to reach 134.4 million units, which could drop from the earlier forecast of 140.1 million units.

IDC research analyst Jennifer Song said that the continued decline in PC desktops is bringing about changes in strategy and product focus in the PC monitor market.

"With Windows 8 operating system, we expect to see more touch-based monitors although price points are a little high," Song said.

According to the report, the average screen size of the market is also expected to increase to 21.4inch in 2017 from 20.4inch in 2012.

During the quarter, 69.2% of market share was occupied by the LED Backlight technology with 26.6 million units shipped, compared to CCFL backlight, representing a year-over-year increase of 15.7% points compared to first quarter of 2012 with 20.5 million units.

The aspect Ratio 16:9 continues to lead the market with 75% market share, a four times increase against the second most widely used aspect ratio of 16:10, while the TV tuners in monitors are expected to increase by 7.6% share by 2017 from the current 5.7% share.

For the first quarter of 2013, Samsung led the market with 14.4% share in spite of 19.6% decrease in shipments to 4.8 million units, followed by Dell.