New DisplayPort Spec Boosts Power Savings, Image Quality: VESA

The embedded DisplayPort standard’s newly published version 1.5 specification keeps all the key features of the previous eDP 1.4b spec approved six years ago, but enables better device power efficiency and improved motion image quality, said the Video Electronics Standards Association Wednesday. For laptops with embedded displays, eDP “is the electrical interface for transporting video data from the system's graphics hardware to the internal display panel,” said VESA. The new version improves on the panel self-refresh function in the older spec by adding an “enhanced panel replay protocol” that renders additional power savings, it said. The new spec also adds capability for making small frame-rate adjustments to “prevent skipping or repeated frames” when streaming movies, said VESA. “For panels with a wide frame rate capability deployed in gaming systems, new mechanisms were added to reduce display flicker.”