How big is your TV? 2017 TV panel size is even longer

With the strong rise of 4K ultra high-definition, large-size LCD TVs have become a 4K standard. With the 55-inch frame, the size of the TV panel is bound to increase. By the way, how old is your TV?
According to the market adjustment agency IHS Markit, the demand for TV panel area in 2017 is expected to reach 14.3 billion square meters, which is an increase of 8% from 2016, and the area requirement for the overall display panel will increase by 6%.
IHSMarkit pointed out that the average size of television panels exceeded 40 inches for the first time in 2016 and will further increase 1.3 inches to 42.6 inches in 2017. Consumers prefer larger-sized TVs, and TV makers are also willing to launch large-screen TVs for profit. Both drive the demand for TV panels to continue growing.

Bipolar Stepper Motor

A bipolar Stepper Motor has one winding per stator phase. A two phase bipolar stepper motor will have 4 leads. In a bipolar stepper we don`t have a common lead like in a uni-polar stepper motor. Hence, there is no natural reversal of current direction through the winding.
A bipolar stepper motor has easy wiring arrangement but its operation is little complex. In order to drive a bipolar stepper, we need a driver IC with an internal H bridge circuit. This is because, in order to reverse the polarity of stator poles, the current needs to be reversed. This can only be done through a H bridge.

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