Standard VESA eDP 1.4a for smartphones, tablets and laptops with screens 8K

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POSTER: computer news   ||   STANDARD VESA EDP 1.4A FOR SMARTPHONES, TABLETS AND LAPTOPS WITH SCREENS 8K	DATE:2015-02-11
At the end of the year manufacturers will prepare smartphones models with   4K resolution.  With regard to smartphones such resolution seems redundant, but this is unlikely to stop manufacturers.  On Monday, the industry organization Video Electronics Standards Association (VESA) has published an updated interface specification Embedded DisplayPort (Embedded DisplayPort, eDP) for version 1.4a, which lay the foundation for the creation of smartphones, tablets and laptops with a screen resolution of 8K. First of all, the standard VESA eDP 1.4a builds on external DisplayPort interface specification version 1.3, published in September last year.  However, there are substantial differences.  In general, the speed of each line HBR3 tightened to 8.1 Gbit / s.  This gives a high resolution and a relative decline in consumption and interface panels.  Reduce the consumption and cost of the panels will contribute another possibility - Implementation compression technology transmitted data or Display Stream Compression (DSC v1.1).  Due to the compression is allowed to reduce the size of the buffer in the composition and reduce the number of interface lines without sacrificing resolution. The principal feature of specifications VESA eDP 1.4a was a new architecture for constructing high-resolution panels.  Architecture Segmented Panel Display provides for the separation of the high-resolution independent segments.  In the illustration, you can see an example of a partition panel with a resolution of 4K into four segments. Each segment has its own buffer and a driver.  Update segments occurs independently from each other, which enables to change only the data in the segment, where there have been any changes in the picture.  In addition, by the way, provides technology zone display update or Panel Self Refresh (PSR).  Returning to the partitioning panels, add  to that support such an architecture composed of SoC controller or graphics processor should provide up to four corresponding lines.  In this case, the two segments may provide one line, which will lead to a loss of resolution, but will gain in economy of consumption.  Segmentation, according to the VESA, will contribute to a more active implementation of a high-resolution panels in gadgets. Related Products :

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