DisplayPort Alt Mode
E49842
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.
All labels observed (6)
| Label | Occurrences |
|---|---|
| DisplayPort Alt Mode canonical | 2 |
| DisplayPort Alt Mode over USB-C | 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 |
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 Alt Mode
self-linksurface differs
ⓘ
surface form:
DisplayPort over USB-C specification
USB Type-C ⓘ
surface form:
USB Type-C Alternate Mode specification
|
| 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
ⓘ
surface form:
DisplayPort protocol
|
| 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
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: DisplayPort Alt Mode Description of subject: 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.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
DisplayPort over USB-C specification
this entity surface form:
USB-C DisplayPort Alt Mode
this entity surface form:
DisplayPort over USB-C (via iPhone 15 Pro)
this entity surface form:
DisplayPort Alt Mode over USB-C