A great number of monitors are compliant with the VESA standard. Manufacturers of monitors have agreed on a industry interface standard, which means a hole pattern on the back of the monitor, screen or display that fits any mounting device whether for VESA wall mounts, desktop or ceiling mounts. The following summarizes VESA standard mounting hole patterns that are used today: For smaller and medium flat panels, LCD monitors and screens from 12" to 22.9" diagonal, and falling in a weight range up to 30.8 lbs (14 kg): 75 x 75 mm or 100 x 100 mm (2.95" x 2.95" or 3.94" x 3.94")
For larger monitors with viewing screen from 23" to 30.9" diagonally, weight range up to 50 lbs: VESA 200mm x 100mm and 200mm x 200mm
For large Plasma screens and LCD TV displays 31" to 90" diagonal, but weights not greater than 250 lbs. there are various hole patterns in 200 mm increments: 400mm x 200mm, or 600mm x 400mm, or 800mm x 400mm
As a service to our customers, onestopergonomics.com is providing this brief informational overview, though this is not meant to be taken as a complete, detailed or technical explanation. Additional details can be found by ordering the specific FDMI mounting design specification directly from the VESA organization
Pictured to the right are examples of manufacturing answers to the VESA MIS-D, 100/75 standard interfaces. The MIS-D accommodates flat panel displays with screens from 12" to 22.9" diagonal, and falling in a weight range up to 30.8 lbs (14 kg).
According to the FDMI summary, manufacturers of these sized monitors are provided the capability of designing 4-hole mounting interfaces either center mounting, edge mounting or some combination, and are provided the specific methodologies for this.
The VESA MIS-E, 100/200 standard interfaces has a six hole mounting methodology that applies to monitors weighing up to or less than 50 lbs and with a viewing screen measuring approximately 23" to 30.9" diagonally. VESA - defined standards provide manufacturers with specified guidelines for either center mounting, edge mounting, or center and edge mounting.
Most manufacturers had already begun following the original VESA mount guidelines for LCD monitors, LCD displays and plasma screens, covering from the smaller, medium flat panel LCDs up to the larger plasma TVs. For monitors that were not VESA compliant, alternate interface brackets are often available for purchase separately, though this caused added inconvenience and expense to consumers. Regarding the larger plasmas and LCDs that have been on the market in recent years, until the new FDMI guidelines were published, monitor arm manufacturers and consumers were in a similar situation of having to develop or find interface brackets allowing screens of similar size and weight from numerous manufacturers to be, for example, wall mounted, by various arm manufacturers.
The MIS-F defined hole patterns have been instituted to provide strong mounting capability for larger plasma and LCD displays with screen sizes from 31" to 90" diagonal, but weights not greater than 250 lbs. These monitors may be built with a 200mm-spaced approved hole pattern variation, such as 400mm x 200mm, or 600mm x 400mm, or 800mm x 400mm that are based on VESA specifications. At onestopergonomics.com, our product experts can match a mount to the correct bracket for your large LCD or plasma display. Review our selection here.
Is weight or size most important when manufacturers are choosing the standard hole pattern they will use? According to the standard's organization summary document (Section 1.3.7), "...in all cases the display diagonal viewing area size shall be used as the primary guideline for selecting the part of the standard to be utilized for a given display."
What if you don't find any visible mounting hole pattern on your flat panel? If a series of mounting holes are not visible in the rear of your monitor, often the foot (or stand/base) has to be removed to find the hole pattern. If the electronic is located in the foot, however, don't remove it. In that case your LCD will not mount to any arm. However, first, check your owner manual for information about the location of the mounting holes.
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