There are three main factors to consider when choosing an touch display
: Main factors: display content needs, site space conditions, display unit template size (LED indoor display) or pixel size (outdoor display) when choosing an outdoor touch display , First determine the pixel size. The selection of the pixel size should consider the needs of the display content and site space factors, as well as the installation location and viewing distance. If the installation position is farther away from the main body, the pixel size should be larger, because the larger the pixel size, the more light-emitting tubes in the pixel, the higher the brightness, and the farther the effective viewing distance. However, the larger the pixel size, the lower the pixel resolution per unit area, and the less content displayed. Outdoor screens must be specially considered. They are often exposed to the sun, rain, wind and dust, and the working environment is harsh. Electronic equipment getting wet or severely damp can cause short circuit or even fire, cause malfunction or even fire, and cause losses. The display screen may be attacked by strong electricity and magnetism caused by lightning; the ambient temperature changes greatly, and the display itself will generate a certain amount of heat when it is working. If the ambient temperature is too high and the heat dissipation is poor, the integrated circuit may not work properly, or even The display system is burnt down, which makes the display system unable to work normally; the audience is wide, the viewing distance is long, and the field of view is wide; the environment changes greatly, especially if it is exposed to direct sunlight. In response to the above special requirements, outdoor display screens must meet the following requirements: the screen body and the junction between the screen body and the building must be strictly waterproof and leak-proof; the screen body must have good drainage measures to allow smooth discharge of water once it occurs; install ventilation equipment to cool down , So that the internal temperature of the screen is between -10°C and 40°C. An axial fan is installed on the top of the back of the screen to remove heat. Use industrial-grade integrated circuit chips with a working temperature between -40°C and 80°C to prevent the display from starting up due to low temperatures in winter. In order to ensure long-distance visibility under strong ambient light conditions, ultra-bright light-emitting diodes must be used. The display medium uses a new type of wide viewing angle tube. The viewing angle is wide, the colors are pure, consistent and coordinated, and the life span is more than 100,000 hours. The outer packaging of the display medium is a rectangular cylinder with a rim, silicone seal, no metalization assembly; exquisite and beautiful appearance, sturdy and durable, with five features of protection against direct sunlight, dust, water, high temperature, and short circuit. LED light-emitting devices have comprehensive advantages in terms of luminous intensity, color, response speed, power consumption, reliability, life span, and resistance to harsh environments, making them the main tool for publishing public information.
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