DisplayPort Alt Mode

E49842

Display interface standard extension USB-C alternate mode

DisplayPort Alt Mode is a USB-C feature that allows a device to transmit native DisplayPort video and audio signals over a USB Type-C connector for direct connection to external displays.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

AI illustration

All labels observed (9)

Label	Occurrences
DisplayPort Alt Mode canonical	3
DisplayPort Alt Mode over USB-C	1
DisplayPort Alternate Mode	1
DisplayPort over USB-C	1
DisplayPort over USB-C (via iPhone 15 Pro)	1
DisplayPort over USB-C specification	1
USB-C DisplayPort Alt Mode	1
USB-C DisplayPort Alternate Mode	1
VESA DisplayPort Alternate Mode standard	1

How this entity was disambiguated

This entity first appeared as the object of triple T391273 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: DisplayPort Alt Mode
Context triple: [USB Type-C, supportsAlternateMode, DisplayPort Alt Mode]

A. USB4
USB4 is a high-speed, next-generation USB standard that unifies data, video, and power delivery over a single USB-C connector, based on Thunderbolt 3 technology.
B. USB Type-C
USB Type-C is a compact, reversible USB connector standard designed to support high-speed data transfer, power delivery, and versatile connectivity across modern electronic devices.
C. Retina display
Retina display is Apple’s high-resolution screen technology designed to make pixels virtually indistinguishable to the human eye for sharper, more detailed visuals.
D. IEEE 1394
IEEE 1394 is a high-speed serial bus interface standard, commonly known as FireWire, used for real-time data transfer between digital devices such as computers, cameras, and audio/video equipment.
E. USB Power Delivery
USB Power Delivery is a fast-charging specification that enables higher power levels and flexible voltage profiles over USB connections to efficiently charge and power a wide range of devices.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: DisplayPort Alt Mode
Target entity description: DisplayPort Alt Mode is a USB-C feature that allows a device to transmit native DisplayPort video and audio signals over a USB Type-C connector for direct connection to external displays.

A. USB4
USB4 is a high-speed, next-generation USB standard that unifies data, video, and power delivery over a single USB-C connector, based on Thunderbolt 3 technology.
B. USB Type-C
USB Type-C is a compact, reversible USB connector standard designed to support high-speed data transfer, power delivery, and versatile connectivity across modern electronic devices.
C. Retina display
Retina display is Apple’s high-resolution screen technology designed to make pixels virtually indistinguishable to the human eye for sharper, more detailed visuals.
D. IEEE 1394
IEEE 1394 is a high-speed serial bus interface standard, commonly known as FireWire, used for real-time data transfer between digital devices such as computers, cameras, and audio/video equipment.
E. USB Power Delivery
USB Power Delivery is a fast-charging specification that enables higher power levels and flexible voltage profiles over USB connections to efficiently charge and power a wide range of devices.
F. None of above. chosen

Statements (48)

Predicate	Object
instanceOf	Display interface standard extension ⓘ USB-C alternate mode ⓘ
alternativeTo	HDMI Alt Mode over USB-C ⓘ MHL Alt Mode over USB-C ⓘ
basedOnStandard	DisplayPort ⓘ
canOutputTo	DVI monitors via active conversion ⓘ DisplayPort monitors ⓘ HDMI monitors via active conversion ⓘ VGA monitors via active conversion ⓘ
canUseLaneConfiguration	2-lane DisplayPort plus USB 3.x data ⓘ 4-lane DisplayPort with reduced or no USB 3.x data ⓘ
coexistsWith	USB 2.0 data on separate pins ⓘ
compatibleWith	USB-C docking stations that support DisplayPort Alt Mode ⓘ USB-C to DisplayPort adapters ⓘ USB-C to HDMI adapters with DisplayPort-to-HDMI conversion chips ⓘ
definedBy	VESA ⓘ
enables	audio output over USB-C ⓘ direct connection to external displays ⓘ video output over USB-C ⓘ
introducedTo	enable display connectivity via a single USB-C port ⓘ
marketedAs	USB-C display output ⓘ
mayLimit	USB 3.x data bandwidth when using 4 DP lanes ⓘ
negotiatedOver	USB-C Configuration Channel (CC) pins ⓘ
physicalInterface	USB Type-C receptacle ⓘ
relatedStandard	DisplayPort over USB-C specification ⓘ linked to: DisplayPort Alt Mode USB Type-C Alternate Mode specification ⓘ linked to: USB Type-C
requires	display or adapter that accepts DisplayPort over USB-C ⓘ host device with DisplayPort Alt Mode support ⓘ
requiresCableType	USB-C cable with full high-speed lanes available ⓘ
requiresNegotiationProtocol	USB Power Delivery (PD) or USB-C configuration channel ⓘ
supportsBackwardCompatibility	with older DisplayPort displays via adapters ⓘ
supportsFeature	DisplayPort Multi-Stream Transport (MST) depending on device ⓘ HDCP content protection (via DisplayPort) ⓘ High dynamic range (HDR) depending on DisplayPort version ⓘ High-refresh-rate video output ⓘ High-resolution video output ⓘ
supportsSignalType	DisplayPort audio ⓘ DisplayPort video ⓘ
supportsTopology	multiple external displays via MST (depending on implementation) ⓘ single external display ⓘ
transportLayer	DisplayPort protocol ⓘ linked to: DisplayPort
usedIn	USB-C docking stations and hubs ⓘ laptops with USB-C display output ⓘ smartphones with desktop or screen-mirroring modes ⓘ tablets with USB-C display output ⓘ
usesConnectorType	USB Type-C ⓘ
usesPhysicalLayer	USB Type-C connector pins ⓘ
usesSignaling	DisplayPort main link lanes over USB-C high-speed pairs ⓘ

How these facts were elicited