我的 Samsung 手機 是否支援 USB 3.1 DP alt mode功能?
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什麼是 Alt 模式下的 DisplayPort？
DisplayPort Alt Mode (DP Alt Mode) allows a USB-C equipped computer to connect directly to a display or monitor. The monitor will need to have a USB-C port for you to make this connection. You can still use a USB-C equipped laptop with monitors that have more traditional video ports, such as VGA, DVI, HDMI, and DisplayPort but you will need to get a USB-C video adapter.
What do I need to know before using DisplayPort over Alt Mode?
- Confirm your device’s USB-C port supports DP Alt Mode
- Read the tech specs on the USB-C video adapter to ensure it supports the resolutions and refresh rates you want
- If you are interested in a USB-C MST video adapter or laptop docking station, make sure your video card also supports MST
DisplayPort Over USB C Technical Details
DisplayPort leverages the Alternate Mode Functional Extension of the USB Type-C interface, and shares similar electrical characteristics with USB 3.1, allowing use of common system elements.
- Video, SuperSpeed USB and power, all on one connector
- 4K @60Hz 24-bit color (without compression) with simultaneous USB 3.1
- 5K (5120 x 2880) display support without compression with simultaneous USB 2.0
- Support for BT.2020 color space, HDR, and HDCP 2.2
- 8K x 4K display support with use of 4:2:0 pixel structure (good) or VESA Display Stream Compression (better)
- High-end multichannel audio support
- Backward compatible with VGA, DVI, and HDMI 2.0 with CEC using plug adapters or adapter cables
- Extensible packet-based data structure
