flat-panel display

What is a flat-panel display?

A flat–panel display is a type of display device that uses a thin, flat piece of electronic material instead of a traditional cathode ray tube (CRT). Flat-panel displays are found in a variety of devices including televisions, computer monitors, portable electronic devices, and cell phones.There are two main types of flat–panel displays: liquid crystal displays (LCDs) and plasma displays. LCDs are the most common type of flat–panel display. They use a liquid crystal material that is placed between two clear glass or plastic panels. When an electric current is applied to the liquid crystal, it changes the way light passes through it, which changes the image on the screen. Plasma displays work by ionizing a gas inside a sealed glass panel. The ionized gas emits ultraviolet (UV) light, which is then converted into visible light by phosphors that line the inside of the screen.

– The history of flat-panel displays

A flat–panel display (FPD) is an electronic viewing device used to display information on a computer monitor or television. They are typically composed of two pieces of glass or plastic, with a layer of liquid crystal sandwiched between them. The liquid crystals are aligned so that they can either let light pass through them or block it, depending on the voltage that is applied to them. When no voltage is applied, the crystals are in their “natural” state and allow light to pass through them. When a voltage is applied, the crystals align themselves in such a way that they block the passage of light. This alignment can be controlled so that different patterns of light and dark can be displayed on the screen. Flat-panel displays were first developed in the early 1800s, but they were not used commercially until the early 1900s. The first flat–panel displays were used in telegraphy and telephony, and they were called “mechanically scanned” displays. These displays were scanning-type displays, meaning that a beam of light was used to scan the display surface and create the image. The first commercially successful flat–panel display was the cathode ray tube (CRT), which was invented in 1907 by Ferdinand Braun. Braun’s CRT was used in a number of applications, including radar, television, and computers. The first computer monitor was the IBM 3270, which was introduced in 1971. This was a CRT-based display, and it was used in a number of IBM mainframe computers.Flat-panel displays began to replace CRT-based displays in the late 1970s and early 1980s. The first commercially successful flat–panel display was the LCD, which was invented in 1968 by George Heilmeier. LCDs were used in a number of applications, including calculators, watches, and laptop computers. The first LCD-based computer monitor was the Apple Lisa, which was introduced in 1983. LCDs eventually replaced CRTs in most applications.The next major development in flat–panel displays was the plasma display panel (PDP), which was invented in 1964 by Don Bitzer. PDPs were used in a number of applications, including television, computers, and signage. The first PDP-based computer monitor was the Sony PVM-1351, which was introduced in 1986. PDPs were replaced by LCDs in most applications in the early 21st century.The most recent development in flat–panel displays is the organic light-emitting diode (OLED), which was invented in 1987 by Ching W. Tang and Steven van Slyke. OLEDs are used in a number of applications, including television, computers, and mobile devices. The first OLED-based computer monitor was the Sony PVM-X550, which was introduced in 2006.

– How do flat-panel displays work?

Flat-panel displays are a type of display device that uses two or more flat panels to create a image. They are thinner and lighter than traditional cathode ray tube (CRT) displays, and use less power. Flat-panel displays are found in a variety of devices, including televisions, computers, mobile phones, and handheld video game consoles.Flat-panel displays work by using an array of electronic components to generate an image. These components include a backlight, a liquid crystal display (LCD), and a thin-film transistor (TFT) array. The backlight illuminates the LCD, and the TFT array controls the amount of light that passes through the LCD. This control of light is what creates the image on the screen.The backlight is usually a cold cathode fluorescent lamp (CCFL), but can also be an LED. The LCD is made up of two polarizing filters and a liquid crystal layer. The TFT array is a grid of transistors that control the flow of electricity to the LCD.Flat-panel displays are available in a variety of sizes and resolutions. The most common resolutions are 720p and 1080p, which are the resolutions used in HDTV. Flat-panel displays can also be found in 4K and 8K resolutions, which are becoming more common as the price of 4K TVs continues to drop.

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– The benefits of flat-panel displays

Flat-panel displays have become increasingly popular in recent years, as they offer a number of advantages over traditional CRT monitors. Flat-panel displays are thinner and lighter than CRTs, and they consume less power. They also produce less electromagnetic radiation, which makes them safer to use. Flat-panel displays also offer a wider range of viewing angles than CRTs, and they can be placed closer to the viewer. Finally, flat–panel displays can be made in larger sizes than CRTs.

– The challenges of flat-panel displays

Flat-panel displays have been around for a while now, and they’ve become increasingly popular in recent years. But there are still some challenges associated with them. Here are some of the challenges of flat–panel displays:1. They can be difficult to read in direct sunlight.2. They can be difficult to see from certain angles.3. They can be more difficult to calibrate than other types of displays.4. They can be more expensive than other types of displays.5. They can be more delicate than other types of displays.Despite these challenges, flat–panel displays have many advantages. They’re becoming more common because they offer a number of benefits, including a sleek design, a wide viewing angle, and low power consumption.

– The future of flat-panel displays

The flat–panel display is one of the most important inventions of the 20th century. It has revolutionized the way we watch television, use computers and even how we take pictures. The flat–panel display is a thin, lightweight and energy-efficient alternative to the traditional cathode ray tube (CRT) monitor. CRT monitors are bulky, use more electricity and can be harmful to the environment.The flat–panel display is made up of two glass plates that are coated with a transparent conducting material. The conducting material is usually indium tin oxide (ITO). Between the two glass plates is a layer of liquid crystal. The liquid crystal is a substance that is in a liquid state at room temperature but can change its properties when an electric field is applied to it. When no electric field is applied, the liquid crystal molecules are in a random orientation and the light that passes through the liquid crystal is scattered. This is why a CRT monitor appears to be dark when it is turned off. When an electric field is applied, the liquid crystal molecules align themselves in a particular way. This allows light to pass through the liquid crystal without being scattered. The result is a bright image on the screen.The flat–panel display is made up of two main types of pixels: active matrix and passive matrix. Active matrix pixels are made up of tiny transistors that control the flow of electricity to the liquid crystal. This allows each pixel to be turned on and off very quickly, which is necessary for moving images. Passive matrix pixels do not have transistors. Instead, they rely on a grid of wires to control the flow of electricity to the liquid crystal. Passive matrix pixels are not as fast as active matrix pixels and are not used in displays that show moving images.The size of a flat–panel display is measured in inches. The most common sizes are 15, 17, 19 and 21 inches. The largest flat–panel display currently available is 30 inches. The resolution of a flat–panel display is the number of pixels that can be displayed on the screen. The resolution is usually given as the number of pixels in the horizontal direction by the number of pixels in the vertical direction. For example, a display with a resolution of 1024×768 means that there are 1024 pixels in the horizontal direction and 768 pixels in the vertical direction.Flat-panel displays are used in a variety of devices, including televisions, computer monitors, laptop computers, handheld computers, mobile phones and digital cameras. They are also used in industrial and military applications. The first flat–panel displays were developed in the early 1960s. The first commercial flat–panel display was introduced in 1972.

Links

https://en.wikipedia.org/wiki/Flat-panel_display
https://en.wikipedia.org/wiki/Liquid-crystal_display
https://en.wikipedia.org/wiki/Organic_light-emitting_diode
https://en.wikipedia.org/wiki/Plasma_display
https://en.wikipedia.org/wiki/Electroluminescent_display

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