**Plasma TV Structure and Imaging Principle**
Plasma TVs operate on a completely different principle compared to LCDs. Instead of relying on a backlight, plasma screens generate light directly at each pixel. Inside each pixel, there are three small gas chambers filled with inert gases like neon or xenon. These chambers are coated with phosphor materials that emit light when excited. When an electric current passes through the chambers, it causes a discharge, producing ultraviolet light that in turn activates the phosphors, resulting in visible light. This process allows each pixel to emit its own light, contributing to the overall image.
Unlike liquid crystal displays (LCDs), which use a large backlight and manipulate light through liquid crystals, plasma TVs create images by lighting up individual pixels. Each pixel is essentially a tiny light source, making plasma screens capable of producing deep blacks and vibrant colors. The color of each pixel is determined by the combination of red, green, and blue phosphors within the three separate gas cells.
The development of plasma technology began as an alternative to cathode ray tube (CRT) televisions, which were bulky and limited in size. CRTs used an electron gun to scan across the screen, but their design made them heavy and difficult to scale. Plasma TVs, on the other hand, offered a thinner and larger display without the limitations of traditional tubes.
Early plasma displays used high-energy electron beams to illuminate millions of pixels on the screen, similar to how CRTs worked, but with a more efficient and compact design. This allowed for larger screens with better contrast and faster response times. However, despite these advantages, plasma TVs eventually declined due to higher power consumption, heat generation, and the rise of more energy-efficient technologies like OLED and LED-LCD.
Although plasma TVs have largely been discontinued, they played a significant role in the evolution of flat-panel television, paving the way for modern display technologies.
Desktop Monitor
The LTM series is designed to meet the needs of human-computer interaction in the market. Our engineers have developed 8-inch to 65-inch LCD touch monitors and touch all-in-ones to provide longer life, high picture quality, and a wide temperature range. It can be used for uninterrupted operation in rugged equipment in harsh environments (high and low temperature, humidity, salt spray and rain) and harsh conditions (high shock, high vibration, and fall). Support a variety of signal input interfaces, including VGA and Video, special requirements can increase DVI and HMI interfaces; support DC12V or AC220V power input, special requirements support DC 9 ~ 36V wide voltage input can be wall-mounted, folding / rotating bottom seat Embedded installation, open installation and other diversified installation methods to meet the various needs of customers. Specially designed folding base, adjustable for multiple angles; no shaking when touched; TFT digital true color LCD display mode to meet customer visual effects; hidden adjustment panel to make the frame more smooth and flat; touch screen can flexibly choose serial port, The USB port communicates with the host, using resistive screens, sonic screens, and infrared screens to meet customer environmental needs.
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