LED display is a combination of microelectronics technology, computer technology and information processing. It has become the most advantageous public display media due to its bright color, wide dynamic range, high brightness, long life and stable and reliable operation. Currently, LED The display screen has been widely used in large squares, commercials, sports venues, information dissemination, news release, securities trading, etc., to meet the needs of different environments.
The LED display screen is a display mode by controlling the display of the semiconductor light-emitting diodes, and displaying the characters by turning on and off the lights. A display screen for displaying various information such as text, graphics, images, animations, quotes, videos, and video signals.
OLED display has self-illumination, no need for backlight, high contrast, thin thickness, wide viewing angle, fast response, flexible panel, wide temperature range, simple structure and simple process. It is considered to be the next generation of flat panel display emerging application technology.
An OLED is called an organic light emitting diode or an organic light emitting display. On the whole, the industrialization of OLED has begun. Monochromatic, multi-color and color devices have reached mass production levels. Large-size full-color devices are still in the research and development stage, but the production capacity is still low. The OLED is driven by the current driving organic film itself, and the emitted light can be a single color such as red, green, blue, white, etc., and the full color effect can also be achieved. So OLED is a new lighting principle different from CRT, LED and liquid crystal technology.
The LED display is composed of LED dot matrix and LEDPC panel. The red, blue, white and green LED lights are displayed to display text, pictures, animations and videos. The content can be changed at any time, and all components are modular. Structured display device. Traditional LED displays typically consist of a display module, a control system, and a power system. The display module is composed of a dot matrix composed of LED lights, and is responsible for the light-emitting display; the control system can display the text, the picture, the video and the like by controlling the corresponding area to be turned off, and the monochrome and the two-color screen are mainly used for playing the text. The color LED display can not only play text, pictures, animations, but also video and other formats.
In general, LED displays, OLEDs are completely different imaging technologies.
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