As of now, several AR glasses models support DisplayPort input or can connect via USB-C with DisplayPort Alt Mode. Here are some notable examples:

1. Microsoft HoloLens 2

• Description: A leading mixed reality headset designed for enterprise applications.
• Connection: While it primarily uses a proprietary connection for data, it can be connected to devices supporting DisplayPort via certain adapters for specific use cases.
  

2. Vuzix Blade

• Description: Smart glasses with augmented reality capabilities, primarily aimed at enterprise users.
• Connection: Supports USB-C, which can enable DisplayPort connections via appropriate adapters, allowing for integration with external devices.
  

3. Magic Leap 1

• Description: A powerful mixed reality headset designed for interactive applications in various industries.
• Connection: Uses a custom interface but can connect to devices with DisplayPort capabilities through adapters for enhanced functionality.

4. Epson Moverio BT-300/BT-350

• Description: Augmented reality glasses that are often used in industrial applications and for enhancing entertainment experiences.
• Connection: They support HDMI input but can connect to devices with DisplayPort capabilities via adapters.
  

5. Nreal Light

• Description: Lightweight AR glasses designed for consumer applications, including gaming and media consumption.
• Connection: They can connect to devices using USB-C with DP Alt Mode, allowing for high-definition video input.
  

Conclusion

While several AR glasses models can work with DisplayPort through USB-C or adapters, the direct support for DisplayPort input is relatively limited. Users interested in such features should verify compatibility with specific devices and consider the use of appropriate adapters to ensure optimal performance. Always check the manufacturer's specifications for the most accurate and up-to-date information regarding connectivity options.