Technology
The DisplayLink network graphics technology is composed of Virtual Graphics Card (VGC) software that is installed on a PC and a Hardware Rendering Engine (HRE) embedded or connected to a display device. The DisplayLink VGC software is based on a proprietary adaptive graphics technology. The VGC software runs on a Windows or Mac OS X host PC and takes information from the graphics adapter and compresses the changes to the display from the last update and sends it over any standard network including USB, Wireless USB, Ethernet, and Wi-Fi. After receiving the data, the HRE then transforms it back into pixels to be displayed on the monitor. While the basic network graphics technology can be used on a variety of network interfaces (Ethernet, and Wi-Fi), DisplayLink has to date only designed products around USB 2.0, USB 3.0, and Wireless USB connectivity.
Products with DisplayLink technology are supported on Windows 8, Windows 7, Windows Vista, Windows XP and Mac OS X. The Linux kernel 3.4 also contains a DisplayLink driver, but current generation USB3 chips are not supported as of Nov 2011. There is a DisplayLink-supported open source project called libdlo with the goal of bringing support to Linux and other platforms. There are also unofficial reverse-engineered specifications available.
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“Technology is not an image of the world but a way of operating on reality. The nihilism of technology lies not only in the fact that it is the most perfect expression of the will to power ... but also in the fact that it lacks meaning.”
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