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DisplayPort connector A DisplayPort port (top right) on a laptop from 2010, near an Ethernet port (center) and a USB port (bottom right). DisplayPort (DP) is a proprietary [a] digital display interface developed by a consortium of PC and chip manufacturers and standardized by the Video Electronics Standards Association (VESA).
Display Data Channel (DDC) is a collection of protocols for digital communication between a computer display and a graphics adapter that enable the display to communicate its supported display modes to the adapter and that enable the computer host to adjust monitor parameters, such as brightness and contrast.
DisplayPort: DisplayPort (DP) was designed to replace VGA, DVI, and FPD-Link and standardized by VESA. [2] It is primarily used to connect a video source to a display device such as a computer monitor. It can also carry audio, USB, and other forms of data.
DisplayPort is royalty-free, though patent pool administrator Via LA attempts to collect a $0.20 per-device charge for a bulk license to patents it regards as essential to the DisplayPort specification, [218] while HDMI has an annual fee of US$10,000 and a per unit royalty rate of between $0.04 and $0.15.
It may perform some signal processing, such as upconverting video into a higher-resolution format, or splitting out the audio portion of the signal. Repeaters have HDMI inputs and outputs. Examples include home theater audio-visual receivers that separate and amplify the audio signal, while re-transmitting the video for display on a TV.
DSC version 1.2 was released on 27 January 2016 and is included in version 1.4 of the DisplayPort standard; DSC version 1.2a was released on 18 January 2017. The update includes native encoding of 4:2:2 and 4:2:0 formats in six-pixel containers, 14/16 bits per color, and minor modifications to the encoding algorithm.
Thunderbolt: an interface that uses the USB-C connector (from Thunderbolt 3 and onward; the Mini DisplayPort connector was used for Thunderbolt 1 and 2) but combines PCI Express (PCIe) and DisplayPort (DP) into one serial signal, permitting the connection of PCIe devices in addition to video displays. It provides DC power as well.
[11] On November 17, 2009, DisplayLink announced their first Thin Client product based on their USB 2.0 virtual graphics technology, designed for Microsoft Windows MultiPoint Server. [12] Thin client manufacturer HP was the first to announce a product based on DisplayLink USB Graphics technology with the launch of the t100 Thin Client. [13]