27 inch lcd display free sample

Many Apple products use liquid crystal displays (LCD). LCD technology uses rows and columns of addressable points (pixels) that render text and images on the screen. Each pixel has three separate subpixels—red, green and blue—that allow an image to render in full color. Each subpixel has a corresponding transistor responsible for turning that subpixel on and off.

Depending on the display size, there can be thousands or millions of subpixels on the LCD panel. For example, the LCD panel used in the iMac (Retina 5K, 27-inch, 2019) has a display resolution of 5120 x 2880, which means there are over 14.7 million pixels. Each pixel is made up of a red, a green, and a blue subpixel, resulting in over 44 million individual picture elements on the 27-inch display. Occasionally, a transistor may not work perfectly, which results in the affected subpixel remaining off (dark) or on (bright). With the millions of subpixels on a display, it is possible to have a low number of such transistors on an LCD. In some cases a small piece of dust or other foreign material may appear to be a pixel anomaly. Apple strives to use the highest quality LCD panels in its products, however pixel anomalies can occur in a small percentage of panels.

In many cases pixel anomalies are caused by a piece of foreign material that is trapped somewhere in the display or on the front surface of the glass panel. Foreign material is typically irregular in shape and is usually most noticeable when viewed against a white background. Foreign material that is on the front surface of the glass panel can be easily removed using a lint free cloth. Foreign material that is trapped within the screen must be removed by an Apple Authorized Service Provider or Apple Retail Store.

If you are concerned about pixel anomalies on your display, take your Apple product in for closer examination at an Apple Store, Apple Authorized Service Provider, or an Independent Repair Provider. There may be a charge for the evaluation. Genuine Apple parts are also available for out-of-warranty repairs through Self Service Repair.*

The TÜV Rheinland-certified ASUS Blue Light Filter protects you from harmful blue light. It"s easy to access, intuitive and flexible with seamless adjustment (0 to Maximum) via the OSD menu. ASUS displays has undergone stringent performance tests and has been certified by TÜV Rheinland laboratories, a global provider of technical, safety, and certification services.

Bring your gameplay to the next level with LG UltraGear™ Gaming Monitors. Find wide monitor screens with the latest gamer-approved features like NVIDIA G-SYNC™ compatibility, and vibrant IPS monitor display.

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You could take your monitor to a professional to have it done, but doing it yourself is relatively quick and hassle-free and will greatly improve image quality. Manufacturers keep pumping out displays with new technologies like 4K UHD resolution, high dynamic range (HDR), and curved monitors, providing a veritable feast for the eyes — but only if they are properly calibrated.

Step 4: Familiarize yourself with your monitor’s display controls. They may be located on the monitor itself, on the keyboard, or within the operating system control panel.

Both MacOS and Windows have built-in calibration tools to help guide you step-by-step through the process, which is particularly helpful if you are new to monitor calibration. These free tools should be the first stop if you’re merely a casual image junkie or working on a tight budget. Keep in mind that the adjustments will be limited by the display type and model, though.

In older versions of Windows, you can find the Color Calibration utility in the Display section of the Control Panel, which is listed under Appearance and Personalization.

Step 2: Now that you are in the calibration tool, follow the on-screen instructions to choose your display’s gamma, brightness, contrast, and color balance settings.

Step 1: In MacOS, the Display Calibrator Assistant is located in the system preferences under the Displays tab, in the Color section. If you are having trouble finding it, try entering calibrate in Spotlight to scan through your computer’s various folders and files. The results should show an option to open the utility in the System Preferences panel.

Color adjustments: White point is a given, but Apple will try to detect your display and offer a number of other color calibrations at this point … or it may skip the rest of the adjustment options entirely. Native Apple displays may be more likely to have fewer color calibrations at this point (because Apple already calibrated them).

Step 3: This will create a new color profile for your display. If you couldn’t make the adjustments that you wanted to, then select this new profile and choose Open Profile. This will open a new window with all the tags associated with the color profile and their descriptions.

Step 4: You can choose each tag to see more information about them. Some tags will just be basic color data, but other tags can be altered to change specific color factors for the display.

Step 5: If you have a native display, look for the Apple display native information tag as a good place to start. As you can see, this can quickly become technical, so you will need to know your color data (phosphor values, response curves, etc.) to make accurate changes with this method.

The Lagom LCD Monitor Test Pages: Handy for both online and offline use, the Lagom LCD Monitor Test Pages not only allow you to adjust various things such as contrast and response time, but also allow you to download the images as a 120KB zip file, so you can check any monitor in-store that you are thinking about purchasing.

If you’re looking for a calibration tool, we recommend either the X-Rite ColorMunki Smile ($99) or the Spyder5Elite ($200). Both devices boast a full-spectrum, seven-color sensor that can accurately display a range of standard and wide-gamut displays. If you have a bigger budget, you can look for upscale calibrators that have even more advanced options.

Starting at $180, X-Rite’s i1Display is another solid device. Just like the Spyder series, each of these three options is configured with automated calibration software. The more money you spend, the more additional features and other benefits you’ll get from the device.

Laptops are supposed to be small, light and convenient. While portability is a great advantage, it also limits the potential screen sizes. Many laptops have 12 to 15-inch displays and 17-inch laptops are already considered to be enormous. However, for most office work on the PC, it is important that screen content is displayed clearly and legibly. Laptop screens are not ideal when working with different programs simultaneously (multi-tasking) in particular.

External monitors with large display sizes have a clear advantage in their size alone because they can easily accommodate several application windows next to each other. With a little practice, programme windows can be quickly and clearly arranged next to each other using shortcuts. Working with these types of desktop monitors makes work more efficient and more comfortable. This saves valuable time and is also healthier and more ergonomic as texts and graphics are displayed in a larger, clearer size, which reduces eye strain. More information is available next to each other and you don’t have to constantly change between different programme windows.

Detail resolution is measured in ppi (pixel per inch). This value describes the distance between the individual pixels and is therefore also called pixel density. To come back to the rule of thumb: the higher the pixel density, the finer the details that can be displayed on the monitor and the sharper the image.

Some users shy away from high-resolution monitors because they are concerned that the higher detail resolution also means that the font or the menus and user interfaces will be smaller. While this phenomenon was indeed associated with high pixel density in the early days of 4K monitors, this problem is now a thing of the past. Software manufacturers of operating systems and programs now offer scaling functions that allow you to scale fonts and menus to your preferences, giving you the benefit of a sharp display without having to compromise on your usual font size.

23/24-inch screen in 16:9 format: resolution of 1920 x 1080 pixels (also known as Full-HD). 23/24-inch screens with a 16:10 aspect ratio are even better. This comes with a resolution of at least 1920 × 1200 pixels (WUXGA). The extra lines can make working more comfortable for you because you don’t have to scroll as much and you can easily view and edit two A4 pages that are almost in their original size side-by-side, for example.

27-inch screen: resolution of at least 2560 × 1440 pixels (WQHD), preferably 3840 x 2160 (also referred to as UHD 4K). This pleasant combination of screen size and resolution offers much more room to work compared to Full-HD, especially if you use several windows simultaneously.

32-inch screen: a resolution of 3840 × 2160 pixels (UHD 4K) and aspect ratio of 16:9 offers you the most space and an optimal display size for your contents and for dividing up your screen area.

To ensure that the display you’ve chosen works as it should with your computer, your PC or laptop must have a suitable graphics output for image output in the desired resolution and with the correct signal type. Old analogue connections (connected via VGA/DSub sockets) sometimes do not even allow Full-HD signals without interference. The following ports are recommended for resolutions above Full-HD: HDMI, DisplayPort, Mini DisplayPort or USB-C. This means it is essential to check the computer’s available video outputs when selecting the right monitor.

Computers with a DisplayPort (DP) or Mini DisplayPort (Mini DP) are ideal because these outputs easily support higher resolutions with high refresh rates. In addition, the sound is also transmitted directly when necessary for the intended use.

These types of end devices can be easily connected to modern monitors, which are usually always equipped with ‘normal’ DisplayPorts. If your computer uses a Mini DP output, you will need a Mini DisplayPort to DisplayPort adapter cable.

Today’s computers are often also equipped with a USB-C output. In these cases, it is important that this port also supports the so-called DisplayPort Alternate Mode (DP Alt Mode) and therefore the transmission of video signals. If this is the case, these ports also process higher resolutions without any problems.

Does your monitor not have a USB-C input and does your laptop only have a USB-C video output? That’s not a problem with a ‘USB-C to DisplayPort’ adapter cable! Here’s our practical guide to using external monitors and laptops.

If you want to operate several monitors on your laptop, it is of course particularly convenient if you only need to connect a single cable to your computer. For this purpose, you should look out for the daisy chain function via USB-C or DisplayPort (depending on the model). This allows you to connect several monitors to each other in series.

If your monitor can be connected via USB-C, no additional cable is necessary. The data connection (in addition to the image signal) then runs via the USB-C cable. If you use HDMI or DisplayPort, a single USB cable is sufficient to connect all peripheral devices connected to the monitor to your computer.

Different monitors use different panels or, in other words, different display technologies. We recommend IPS panels for daily work in your home office because they offer the best picture quality. An IPS panel gives you a balanced combination of outstanding colour reproduction and high viewing angle stability. This means that contrast and colour reproduction are only minimally affected even at widely varying viewing angles.

In addition to a clear and high-contrast display, the hallmark of a good monitor is that it reduces back strain and eye fatigue while working first and foremost. After all, it is well known that working in front of a screen for a prolonged period leads to ‘tired’ eyes, among other things. There are a number of possible reasons for this.

The monitor’s image should always be easy to read. Unfortunately, many monitors and laptops have glossy display panels built in. Sometimes, there are even reflective protective glasses in front of the actual panel. This leads to unwanted reflections. In addition to the actual monitor image, the viewer often sees reflections of lamps or windows that are behind them, or even reflections of themselves. These unnecessary interferences make working with screens considerably more exhausting, distracting and, in the worst case scenario, can even affect your posture. To prevent these disruptive reflections, you should make sure that the monitor you use while working from home has a matt panel surface and is therefore effectively anti-reflective.

Displays with LED backlighting emit a high proportion of blue light. During the day, this is beneficial because blue light ensures that we are awake and alert. At night, however, blue light throws our daily rhythm out of balance and can even affect sleep.

Leave your laptop open. Although using just the built-in laptop display is not ideal for daily work, using it in conjunction with an external monitor is all the more valuable. If you place your laptop next to your monitor when it is open (ideally with an external mouse and keyboard) and use the ‘Extended desktop’ setting, your usable monitor space increases considerably.

Ideal for the modern workstation: thanks to the USB-C ports and USB-C daisy chain functionality, the EV2795 doesn’t require any complex cabling and shines with its virtually frameless design. 68.5 cm (27 Inches)

State-of-the-art connectivity with USB-C upstream including DisplayPort signal and Power Delivery. Your advantage: convenient multi-purpose connectivity, whether in the home office or in the office. 68.5 cm (27 Inches)

The EV2495 is a declaration of performance. Thanks to its USB-C ports and the USB-C daisy chain functionality, this monitor ensures there are fewer cables and more space on the desk. 61.1 cm (24.1 Inches)

The EV2480’s USB-C port allows you to use it as a docking station for tablets and laptops. Power, video and audio, as well as keyboards and mice, can be connected to the computer with a single cable. 60.5 cm (23.8 Inches)

Perfect picture quality, ergonomics and connectivity. The ideal companion for the modern office enables multi-screen solutions via USB-C daisy chain without complex cabling. 60.5 cm (23.8 Inches)

The EV2760 stands out with its high resolution, anti-reflection coating and flicker-free screen. The monitor offers a wide range of connection options thanks to one HDMI, one DVI-D and two DisplayPort signal inputs as well as four USB downstream ports. 68.5 cm (27 Inches)

With USB-C upstream, DisplayPort and HDMI inputs, as well as four USB downstream ports, the EV2485 offers exemplary connectivity. In addtion, the image quality, ergonomics and energy-saving options are outstanding. 61.1 cm (24.1 Inches)

Energy-saving, ergonomic, reliable: the EV2460 offers a wide range of connection options thanks to DisplayPort, HDMI, DVI-D and D-sub signal inputs as well as four USB downstream ports. 60.5 cm (23.8 Inches)

The EV2457, with its virtually frameless design, is the ideal solution for multi-display viewing. Other monitors can be conveniently interlinked via the DisplayPort output. 61 cm (24.1 Inches)

The EV2456 is very compact, thanks to its extremely narrow bezel. The monitor is particularly impressive when used for multi-display viewing. 61.1 cm (24.1 Inches)

The 22.5” EV2360 with a 16:10 aspect ratio delivers a pin-sharp resolution of 1920 x 1200 pixels. A true all-round monitor for the office. 57.2 cm (22.5 Inches)

A computer monitor is an output device that displays information in pictorial or textual form. A discrete monitor comprises a visual display, support electronics, power supply, housing, electrical connectors, and external user controls.

The display in modern monitors is typically an LCD with LED backlight, having by the 2010s replaced CCFL backlit LCDs. Before the mid-2000s,CRT. Monitors are connected to the computer via DisplayPort, HDMI, USB-C, DVI, VGA, or other proprietary connectors and signals.

Originally, computer monitors were used for data processing while television sets were used for video. From the 1980s onward, computers (and their monitors) have been used for both data processing and video, while televisions have implemented some computer functionality. In the 2000s, the typical display aspect ratio of both televisions and computer monitors has changed from 4:3 to 16:9.

Early electronic computer front panels were fitted with an array of light bulbs where the state of each particular bulb would indicate the on/off state of a particular register bit inside the computer. This allowed the engineers operating the computer to monitor the internal state of the machine, so this panel of lights came to be known as the "monitor". As early monitors were only capable of displaying a very limited amount of information and were very transient, they were rarely considered for program output. Instead, a line printer was the primary output device, while the monitor was limited to keeping track of the program"s operation.

Multiple technologies have been used for computer monitors. Until the 21st century most used cathode-ray tubes but they have largely been superseded by LCD monitors.

The first computer monitors used cathode-ray tubes (CRTs). Prior to the advent of home computers in the late 1970s, it was common for a video display terminal (VDT) using a CRT to be physically integrated with a keyboard and other components of the workstation in a single large chassis, typically limiting them to emulation of a paper teletypewriter, thus the early epithet of "glass TTY". The display was monochromatic and far less sharp and detailed than on a modern monitor, necessitating the use of relatively large text and severely limiting the amount of information that could be displayed at one time. High-resolution CRT displays were developed for specialized military, industrial and scientific applications but they were far too costly for general use; wider commercial use became possible after the release of a slow, but affordable Tektronix 4010 terminal in 1972.

Some of the earliest home computers (such as the TRS-80 and Commodore PET) were limited to monochrome CRT displays, but color display capability was already a possible feature for a few MOS 6500 series-based machines (such as introduced in 1977 Apple II computer or Atari 2600 console), and the color output was a speciality of the more graphically sophisticated Atari 800 computer, introduced in 1979. Either computer could be connected to the antenna terminals of an ordinary color TV set or used with a purpose-made CRT color monitor for optimum resolution and color quality. Lagging several years behind, in 1981 IBM introduced the Color Graphics Adapter, which could display four colors with a resolution of 320 × 200 pixels, or it could produce 640 × 200 pixels with two colors. In 1984 IBM introduced the Enhanced Graphics Adapter which was capable of producing 16 colors and had a resolution of 640 × 350.

By the end of the 1980s color progressive scan CRT monitors were widely available and increasingly affordable, while the sharpest prosumer monitors could clearly display high-definition video, against the backdrop of efforts at HDTV standardization from the 1970s to the 1980s failing continuously, leaving consumer SDTVs to stagnate increasingly far behind the capabilities of computer CRT monitors well into the 2000s. During the following decade, maximum display resolutions gradually increased and prices continued to fall as CRT technology remained dominant in the PC monitor market into the new millennium, partly because it remained cheaper to produce.

There are multiple technologies that have been used to implement liquid-crystal displays (LCD). Throughout the 1990s, the primary use of LCD technology as computer monitors was in laptops where the lower power consumption, lighter weight, and smaller physical size of LCDs justified the higher price versus a CRT. Commonly, the same laptop would be offered with an assortment of display options at increasing price points: (active or passive) monochrome, passive color, or active matrix color (TFT). As volume and manufacturing capability have improved, the monochrome and passive color technologies were dropped from most product lines.

The first standalone LCDs appeared in the mid-1990s selling for high prices. As prices declined they became more popular, and by 1997 were competing with CRT monitors. Among the first desktop LCD computer monitors was the Eizo FlexScan L66 in the mid-1990s, the SGI 1600SW, Apple Studio Display and the ViewSonic VP140vision science remain dependent on CRTs, the best LCD monitors having achieved moderate temporal accuracy, and so can be used only if their poor spatial accuracy is unimportant.

High dynamic range (HDR)television series, motion pictures and video games transitioning to widescreen, which makes squarer monitors unsuited to display them correctly.

Organic light-emitting diode (OLED) monitors provide most of the benefits of both LCD and CRT monitors with few of their drawbacks, though much like plasma panels or very early CRTs they suffer from burn-in, and remain very expensive.

Radius of curvature (for curved monitors) - is the radius that a circle would have if it had the same curvature as the display. This value is typically given in millimeters, but expressed with the letter "R" instead of a unit (for example, a display with "3800R curvature" has a 3800mm radius of curvature.

Display resolution is the number of distinct pixels in each dimension that can be displayed natively. For a given display size, maximum resolution is limited by dot pitch or DPI.

Dot pitch represents the distance between the primary elements of the display, typically averaged across it in nonuniform displays. A related unit is pixel pitch, In LCDs, pixel pitch is the distance between the center of two adjacent pixels. In CRTs, pixel pitch is defined as the distance between subpixels of the same color. Dot pitch is the reciprocal of pixel density.

Pixel density is a measure of how densely packed the pixels on a display are. In LCDs, pixel density is the number of pixels in one linear unit along the display, typically measured in pixels per inch (px/in or ppi).

Contrast ratio is the ratio of the luminosity of the brightest color (white) to that of the darkest color (black) that the monitor is capable of producing simultaneously. For example, a ratio of 20,000∶1 means that the brightest shade (white) is 20,000 times brighter than its darkest shade (black). Dynamic contrast ratio is measured with the LCD backlight turned off. ANSI contrast is with both black and white simultaneously adjacent onscreen.

Color depth - measured in bits per primary color or bits for all colors. Those with 10bpc (bits per channel) or more can display more shades of color (approximately 1 billion shades) than traditional 8bpc monitors (approximately 16.8 million shades or colors), and can do so more precisely without having to resort to dithering.

Refresh rate is (in CRTs) the number of times in a second that the display is illuminated (the number of times a second a raster scan is completed). In LCDs it is the number of times the image can be changed per second, expressed in hertz (Hz). Determines the maximum number of frames per second (FPS) a monitor is capable of showing. Maximum refresh rate is limited by response time.

On two-dimensional display devices such as computer monitors the display size or view able image size is the actual amount of screen space that is available to display a picture, video or working space, without obstruction from the bezel or other aspects of the unit"s design. The main measurements for display devices are: width, height, total area and the diagonal.

The size of a display is usually given by manufacturers diagonally, i.e. as the distance between two opposite screen corners. This method of measurement is inherited from the method used for the first generation of CRT television, when picture tubes with circular faces were in common use. Being circular, it was the external diameter of the glass envelope that described their size. Since these circular tubes were used to display rectangular images, the diagonal measurement of the rectangular image was smaller than the diameter of the tube"s face (due to the thickness of the glass). This method continued even when cathode-ray tubes were manufactured as rounded rectangles; it had the advantage of being a single number specifying the size, and was not confusing when the aspect ratio was universally 4:3.

With the introduction of flat panel technology, the diagonal measurement became the actual diagonal of the visible display. This meant that an eighteen-inch LCD had a larger viewable area than an eighteen-inch cathode-ray tube.

Estimation of monitor size by the distance between opposite corners does not take into account the display aspect ratio, so that for example a 16:9 21-inch (53 cm) widescreen display has less area, than a 21-inch (53 cm) 4:3 screen. The 4:3 screen has dimensions of 16.8 in × 12.6 in (43 cm × 32 cm) and area 211 sq in (1,360 cm2), while the widescreen is 18.3 in × 10.3 in (46 cm × 26 cm), 188 sq in (1,210 cm2).

Until about 2003, most computer monitors had a 4:3 aspect ratio and some had 5:4. Between 2003 and 2006, monitors with 16:9 and mostly 16:10 (8:5) aspect ratios became commonly available, first in laptops and later also in standalone monitors. Reasons for this transition included productive uses (i.e. besides Field of view in video games and movie viewing) such as the word processor display of two standard letter pages side by side, as well as CAD displays of large-size drawings and application menus at the same time.LCD monitors and the same year 16:10 was the mainstream standard for laptops and notebook computers.

In 2010, the computer industry started to move over from 16:10 to 16:9 because 16:9 was chosen to be the standard high-definition television display size, and because they were cheaper to manufacture.

In 2011, non-widescreen displays with 4:3 aspect ratios were only being manufactured in small quantities. According to Samsung, this was because the "Demand for the old "Square monitors" has decreased rapidly over the last couple of years," and "I predict that by the end of 2011, production on all 4:3 or similar panels will be halted due to a lack of demand."

The resolution for computer monitors has increased over time. From 280 × 192 during the late 1970s, to 1024 × 768 during the late 1990s. Since 2009, the most commonly sold resolution for computer monitors is 1920 × 1080, shared with the 1080p of HDTV.2560 × 1600 at 30 in (76 cm), excluding niche professional monitors. By 2015 most major display manufacturers had released 3840 × 2160 (4K UHD) displays, and the first 7680 × 4320 (8K) monitors had begun shipping.

Every RGB monitor has its own color gamut, bounded in chromaticity by a color triangle. Some of these triangles are smaller than the sRGB triangle, some are larger. Colors are typically encoded by 8 bits per primary color. The RGB value [255, 0, 0] represents red, but slightly different colors in different color spaces such as Adobe RGB and sRGB. Displaying sRGB-encoded data on wide-gamut devices can give an unrealistic result.Exif metadata in the picture. As long as the monitor gamut is wider than the color space gamut, correct display is possible, if the monitor is calibrated. A picture which uses colors that are outside the sRGB color space will display on an sRGB color space monitor with limitations.Color management is needed both in electronic publishing (via the Internet for display in browsers) and in desktop publishing targeted to print.

Some displays, especially newer flat panel monitors, replace the traditional anti-glare matte finish with a glossy one. This increases color saturation and sharpness but reflections from lights and windows are more visible. Anti-reflective coatings are sometimes applied to help reduce reflections, although this only partly mitigates the problem.

Most often using nominally flat-panel display technology such as LCD or OLED, a concave rather than convex curve is imparted, reducing geometric distortion, especially in extremely large and wide seamless desktop monitors intended for close viewing range.

Newer monitors are able to display a different image for each eye, often with the help of special glasses and polarizers, giving the perception of depth. An autostereoscopic screen can generate 3D images without headgear.

The option for using the display as a reference monitor; these calibration features can give an advanced color management control for take a near-perfect image.

Raw monitors are raw framed LCD monitors, to install a monitor on a not so common place, ie, on the car door or you need it in the trunk. It is usually paired with a power adapter to have a versatile monitor for home or commercial use.

The Flat Display Mounting Interface (FDMI), also known as VESA Mounting Interface Standard (MIS) or colloquially as a VESA mount, is a family of standards defined by the Video Electronics Standards Association for mounting flat panel displays to stands or wall mounts.

A fixed rack mount monitor is mounted directly to the rack with the flat-panel or CRT visible at all times. The height of the unit is measured in rack units (RU) and 8U or 9U are most common to fit 17-inch or 19-inch screens. The front sides of the unit are provided with flanges to mount to the rack, providing appropriately spaced holes or slots for the rack mounting screws. A 19-inch diagonal screen is the largest size that will fit within the rails of a 19-inch rack. Larger flat-panels may be accommodated but are "mount-on-rack" and extend forward of the rack. There are smaller display units, typically used in broadcast environments, which fit multiple smaller screens side by side into one rack mount.

A stowable rack mount monitor is 1U, 2U or 3U high and is mounted on rack slides allowing the display to be folded down and the unit slid into the rack for storage as a drawer. The flat display is visible only when pulled out of the rack and deployed. These units may include only a display or may be equipped with a keyboard creating a KVM (Keyboard Video Monitor). Most common are systems with a single LCD but there are systems providing two or three displays in a single rack mount system.

A panel mount computer monitor is intended for mounting into a flat surface with the front of the display unit protruding just slightly. They may also be mounted to the rear of the panel. A flange is provided around the screen, sides, top and bottom, to allow mounting. This contrasts with a rack mount display where the flanges are only on the sides. The flanges will be provided with holes for thru-bolts or may have studs welded to the rear surface to secure the unit in the hole in the panel. Often a gasket is provided to provide a water-tight seal to the panel and the front of the screen will be sealed to the back of the front panel to prevent water and dirt contamination.

An open frame monitor provides the display and enough supporting structure to hold associated electronics and to minimally support the display. Provision will be made for attaching the unit to some external structure for support and protection. Open frame monitors are intended to be built into some other piece of equipment providing its own case. An arcade video game would be a good example with the display mounted inside the cabinet. There is usually an open frame display inside all end-use displays with the end-use display simply providing an attractive protective enclosure. Some rack mount monitor manufacturers will purchase desktop displays, take them apart, and discard the outer plastic parts, keeping the inner open-frame display for inclusion into their product.

According to an NSA document leaked to Der Spiegel, the NSA sometimes swaps the monitor cables on targeted computers with a bugged monitor cable in order to allow the NSA to remotely see what is being displayed on the targeted computer monitor.

Van Eck phreaking is the process of remotely displaying the contents of a CRT or LCD by detecting its electromagnetic emissions. It is named after Dutch computer researcher Wim van Eck, who in 1985 published the first paper on it, including proof of concept. Phreaking more generally is the process of exploiting telephone networks.

Masoud Ghodrati, Adam P. Morris, and Nicholas Seow Chiang Price (2015) The (un)suitability of modern liquid crystal displays (LCDs) for vision research. Frontiers in Psychology, 6:303.