DisplayPort

DisplayPort
Belkin · CC BY-SA 3.0 · source
Name	DisplayPort
Type	Digital display interface
Designer	Video Electronics Standards Association
Introduced	2006

DisplayPort DisplayPort is a digital display interface standard developed for connecting video sources to displays, enabling higher resolutions and feature sets than many predecessors. It was created by the Video Electronics Standards Association and has seen iterations involving stakeholders such as Intel, Microsoft, AMD, NVIDIA Corporation, and Apple Inc.. Major industry bodies and manufacturers including Dell Inc., HP Inc., Lenovo, AsusTek Computer Inc., and Samsung Electronics have implemented the standard across consumer, professional, and embedded products.

Overview

DisplayPort is designed to replace legacy interfaces pioneered by entities like VESA collaborators and to coexist with standards such as High-Definition Multimedia Interface and Thunderbolt (interface). The interface supports uncompressed digital audio and video transmission and can carry auxiliary channels used by device ecosystems, including HDCP content protection signed into product ecosystems by companies such as Intel Corporation and Sony Corporation. Multiple firms including LG Electronics, Acer Inc., Philips (company), and BenQ Corporation have adopted the connector in monitors, while graphics suppliers like Matrox and S3 Graphics incorporated it into professional cards.

History and Development

Development began within the Video Electronics Standards Association framework with input from technology firms such as ATI Technologies (now part of AMD), VIA Technologies, and Texas Instruments. Public announcements aligned with industry events including COMPUTEX and CES (Consumer Electronics Show). Subsequent revisions involved consortia including representatives from Intel Corporation and NVIDIA Corporation; regulatory and content partners such as Dolby Laboratories and Digital Theater Systems consulted on audio integration. Major milestones were publicized alongside product launches by Apple Inc. with laptops, Dell Inc. with monitors, and workstation vendors like Hewlett-Packard.

Specifications and Versions

DisplayPort versions have been ratified and revised with contributions from companies like VESA members and influenced by signaling work from firms such as Broadcom Inc., Analog Devices, and Marvell Technology Group. Key version rollouts coincided with new capabilities showcased by Intel Corporation platforms and AMD graphics architectures. Version increments often paralleled announcements by Microsoft for operating system support, and by display makers such as Samsung Electronics and LG Electronics introducing higher resolution panels. Standards work referenced technical committees and testing labs including UL (Underwriters Laboratories) and industry interoperability events.

Connectors and Cabling

Connectors and cables were standardized with input from hardware vendors like Molex, Amphenol, and TE Connectivity. Miniaturized variants targeted mobile OEMs such as ASUS, Acer Inc., and Lenovo who integrated smaller form factors into notebooks and tablets promoted at shows like IFA (trade show). Cable certification efforts engaged labs and organizations such as Intertek and SGS. Cable manufacturers collaborated with monitor brands like BenQ Corporation and Philips (company) to supply certified assemblies for products showcased at NAB Show and SIGGRAPH events.

Features and Capabilities

DisplayPort supports high-bandwidth audiovisual transport used by professionals at Adobe Systems workflows and by gamers using hardware from NVIDIA Corporation and AMD. The protocol includes auxiliary channels leveraged by peripheral companies like Logitech and Corsair for integrated control, and supports multi-stream transport used in multi-monitor setups from vendors including Dell Inc. and HP Inc.. Power and management features tie into system frameworks from Microsoft and firmware ecosystems from Innodisk and Supermicro for embedded deployments in servers and workstations.

Adoption and Compatibility

Adoption was driven by platform vendors including Intel Corporation integrating DisplayPort into chipsets, laptop makers like Apple Inc. and Lenovo shipping it on portable systems, and graphics suppliers including NVIDIA Corporation and AMD enabling high-bandwidth outputs. Content protection interoperability involved agreements with companies such as Sony Corporation and Warner Bros. for HDCP compliance. Open-source projects like Linux distributions and companies such as Canonical (company) contributed to driver support, while Microsoft and Apple Inc. integrated OS-level compatibility.

Implementations and Use Cases

Practical implementations include professional color-critical displays from EIZO Corporation used in visual effects studios employing software from Autodesk, broadcasters adopting solutions presented at NAB Show, and gaming rigs built by system integrators like Origin PC and CyberPowerPC. Embedded implementations appear in industrial systems from Siemens and Honeywell International Inc., while automotive display innovations have involved suppliers such as Continental AG and Bosch (company). Cloud gaming and streaming platforms run on infrastructure from Amazon Web Services and Google Cloud Platform that interface with client hardware leveraging DisplayPort outputs.

Category:Display interfaces