HDMI (High-Definition Multimedia Interface) is the first industry-supported, uncompressed, all-digital audio/video interface. HDMI provides an interface between any audio/video source, such as a set-top box, DVD player, and A/V receiver and an audio and/or video monitor, such as a digital television (DTV).

HDMI supports standard, enhanced, or high-definition video, plus multi-channel digital audio on a single cable. It transmits all ATSC HDTV standards and supports 8-channel digital audio, with bandwidth to spare to accommodate future enhancements and requirements.

hdmi touch display is need to double-headed TYP-C cable is required, the notebook needs to be supported. The phone needs to support the video output, otherwise it is like a large touchpad outside of you, and there is no use of eggs. Or your mobile phone supports desktop mode.

The rest of the video transmission scheme is only connected to the HDMI plus power supply, which means that when a notebook without a three-interface is connected, an HDMI and a data cable (touch + power supply) are required.

It’s an organic light-emitting display. hdmi touch display technology is different from the traditional LCD display mode, without backlight. It uses a very thin coating of organic materials and a glass substrate, which emit light when an electric current passes through. Moreover, hdmi touch display can be made lighter and thinner, with larger viewing angle, and can significantly save power.

AMOLED is panel-self luminous. The TFT is illuminated on the LCD panel by backlight. AMOLED effect is more colorful and brighter. The screen can be seen clearly outside during the day. The most important is that the power consumption of AMOLED is much lower. AMOLED screen is more expensive than TFT LCD touch screen. The life of AMOLED screens is also longer.