How to project the content of mobile phone to the screen?

The first is the most familiar USB connection. This connection method has a particularly big limitation. The video format on the mobile phone must be supported by TV, so that the content on the mobile phone can be seen on TV. In fact, the principle of this connection method is very simple, which is to use our mobile phone as an external memory card. The advantage of this connection is that the operation is very simple.

The second is HDMI connection, which is actually a way specially used for image transmission. However, this connection requires the mobile phone to support HDMI, so that the content of the mobile phone can be projected on the TV. Another disadvantage is that there is no way to charge the mobile phone while projecting the screen. Every time you use this connection, power is the biggest concern for everyone. Its advantage is that you can control TV directly from your mobile phone.

The third method is the mhl connection mode, which I believe you rarely hear about, because a technology just came out in recent years, this connection mode only connects the mobile phone supporting mhl to the MHL interface of TV. This connection mode can not only play video, but also synchronize the picture of the mobile phone, and also charge the mobile phone with this connection mode, which well avoids the problem of insufficient HDMI power.

The fourth method is DLNA, which is different from the first three methods and requires wiring. This method only needs to connect the mobile phone and the TV to the same network, so that the pictures of the mobile phone can be synchronized to the TV, and the wireless connection between the mobile phone and the TV can be realized. However, the shortcomings of this connection method are also very obvious, and the supported video formats are very few, which has great limitations for video transmission between mobile phones and TVs.

The fifth method is multi-screen interaction. This connection method installs the matching app on the mobile phone and TV in time, and then connects through the network. Compared with the previous method, the biggest advantage of this method is that it can control TV and mobile phone, which makes the control more convenient. The biggest drawback is the high compatibility between TV and mobile phone.

There are now five ways to connect mobile phones and televisions, each of which has obvious shortcomings and advantages. Therefore, the use of these methods should be determined according to their own use needs, and the way that suits their own use scenarios is the best way.