Learn About eDP Display Panel

With digitization, technology continues to get smaller and has started gaining more functionality, with this, cabling technology is also adapting to new ways in order to keep up with changes and upgrades. Some next-generation computers are now moving to an eDP (Embedded DisplayPort) which was first introduced in 2008, since then has been widely adopted by LCD panels used in laptops and similar devices. 

What is an eDP interface?

eDP display panel is based on the VESA DisplayPort Standard, which is pretty just a display port which means it makes it possible to connect to a display directly and to a display port capable of a video card. The interface is being used in the computer industry for the high performance and higher resolution for audio and video when attached allowing displays to display in 4K and beyond.

The difference between eDP and LVDS Panel

The eDP interface was initially developed for all-in-all systems like notebooks and iPads. However, with the evolution of technology and increasing demands, it is becoming increasingly optimized for smaller form factor systems including tablet, PC, and also in smartphone applications. eDP display panel cables have become a popular replacement for LVDS display cables utilizing a very low voltage swing for differential data transmission which have been the standard since the 1990s.

Both EDP and LVDS are used in industrial computers to connect touch screens or displays for video signal interfaces. At its core, LVDS uses low voltage signals in a pair of balanced cables to transfer video data over a high-speed link. On the other hand, the EDP interface is a fully digital interface with a higher display resolution than the LVDS interface based on the DisplayPort architecture and protocol. Generally, it can transmit high-resolution signals using a communication interface, that is to say, users can easily achieve the function of a wide viewing angle with simple connectors and fewer pins or cables. Moreover, it can transmit multiple data at the same time, therefore, the transmission rate of the eDP interface is much higher on LVDS.

Here is what you should know about the eDP Display panel cables

LCD panel interfaces have changed over the years as resolutions have moved from 640x480 to 3840x2160. While the performance of mobiles is continuing to increase, with the chip process in computing systems the geometries are continuing to shrink which has resulted in a greater proportion of computing systems and users consuming the display and its high-speed interfaces only.

With a lot of new technology, eDP cables provide benefits that the older mold cable can’t. The latest standard of Embedded DisplayPort also offers several new features that can maximize system power efficiency. Furthermore, consolidating the display interface and addressing a wide range of system profiles to satisfy the growing demand for power optimization in the embedded display system. Because of this reason, many LCD manufacturers are moving to add an interface that can connect to an eDP interface on their LCDs. 

As we already mentioned in the comparison above, eDP display panels allow higher transmission speeds as opposed to the LVDS cables. To add to its features further, these also reduce the spacing by using fewer conductors on the cable and reduce cost depending on the design.

Another major reason for the introduction of eDP is the recent trend towards brighter and higher resolution displays which also requires additional pixel-driving and higher data rates as well as a faster GPU. Keeping this challenge in mind, the new EDP has integrated and brings many of these concepts together. 

EDP cables are compatible with DisplayPort standard and Quadrangle products, commonly used in Laptops, Personal computers, and HD displays like monitors and TVs. Running at a much higher rate and requiring fewer connections than the LVDS interface, reducing the number of wires in the interface as well as the number of pins for the interface, providing all the power, data, and control through one single assembly. With its unique features, it also enables higher resolution and manages systems for color depth and longer battery life.

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Created on Oct 29th 2020 07:50. Viewed 267 times.

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