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Everyone is very familiar with LCD TVs, but many people don’t understand digital signage products. In fact, when we go to a hotel or shopping mall, we often see this product in the lobby, which often displays the advertising content of the hotel or shopping mall. Most people think that this is an ordinary LCD TV, but the size is a bit larger, so is this really the case? Is a digital signage a liquid crystal display? In fact, digital signage is not that simple, and there are still many scenarios in which digital signage is currently used. In addition to the hotels we are talking about, many retail industries have also begun to use digital signage products. For example, the fast food restaurants we often go to have used light boxes behind the ordering counters to display their dishes. Now many stores have also upgraded to digital signage products. In simple terms, digital signage is actually a numerical display system used in the commercial field. 1. Digital signage is usually equipped with a system Here is the system, in fact, this is the biggest difference between digital signage and liquid crystal display. We all know that the LCD monitor itself is only responsible for the function of screen output. The most important role of digital signage is actually the system behind it. Different from ordinary intelligent LCD, the digital signage system has the function of remote management. Users can design the display content by themselves, or download the template

LCD brightness Brightness represents the amount of brightness of a picture per unit area. Specifically, the density of the amount of light passing through the normal direction of the screen. The unit is [CD / m2] or nit（1 nit = CD / m2).Brightness depends on the amount of light passing through the LCD and color film, and the brightness of the backlight.   LCD backlight requirements: The liquid crystal should have good transmittance; light weight; It should be thin and not easy to damage; The area light source with uniform brightness is the best; Low cost; The light color is pleasing to the eye, the primary color is rich, and the brightness can be adjusted; Low power consumption and easy power supply

How to do regular maintenance of large-screen optical equipment, DLP seamless splicing screen wall maintenance guide, as long as you remember and follow it, DLP seamless splicing screen wall will be no problem for 50 years. 1. Put the large-screen optical equipment in an environment that is easy to ventilate to increase the service life of the bulb of the large-screen optical equipment. 2. Regular cleaning of large-screen optical equipment can improve the brightness and contrast of the large-screen display system (increased by 10% to 30%). 3. When the temperature is very low, it will affect the normal use of the outdoor large screen. Generally, it is recommended to temporarily stop using it when it is below minus 30 degrees Celsius. Of course, taking other measures, such as installing an air conditioner in the box, can also ensure normal use. 4. Pay attention to the maintenance of daily optical components (color wheel, LCD panel, polarizer, lens, etc.) to prevent premature aging. 5. If the DLP seamless splicing wall fails, please contact the manufacturer in time. The above five points are the maintenance guide for DLP seamless splicing screen wall for everyone. I hope you will pay more attention to it during use.