What is the difference between an outdoor LCD screen and an indoor screen
- Jul 09, 2018 -

    

graphic lcd display screen--第一张图.jpg


                             

First, the indoor display screens are all surface-mounted, three-in-one or three-in-one; while the outdoor is usually plugged in, of course, there are also integrated three-in-one, but the technology is relatively mature, and the application field is not More, outdoor is mainly based on plug-in lights.


Second, because the outdoor screen should take into account the waterproof problem, generally have glue, but indoors


Third, the outdoor screen is composed of one box, the indoor screen can also have a box or no


Fourth, the brightness of the outdoor is much higher than the brightness of the room.


The LCD display unit board, also known as the LCD display module or simply the unit board, is the main unit of the LCD display, and is composed of an LCD light emitting diode and a driving circuit, a driving IC and a plastic kit.


LCD screen


In the LCD display industry, LCD cell boards are now divided into two categories. The indoor unit board industry is generally called the surface mount (three-in-one surface mount); the outdoor and semi-outdoor are generally called modules. The characteristics of indoor surface mount: high image clarity, rich color, and insufficient price; the difference between outdoor and semi-outdoor module unit panel outdoor LCD screen and indoor screen is because the indoor and outdoor environment is mainly different, so The outdoor LCD screen is very bright. If you want to see the screen display in the distance, the screen needs to be very bright. The indoor environment is dark and the brightness is not too high. LCDs that make up LCD screens have higher brightness and higher price, so outdoor LCD screens are more than twice as expensive as indoors.


SMD technology is generally used indoors, with a large viewing angle (140 degrees), low brightness (1500 cd/m2), outdoor LAMP technology, small upper and lower viewing angles (60 degrees), high brightness (5500 cd/m2 or more) characteristics: high brightness, energy Waterproof, rich in color, the lack of technical guidance required for installation.


The outdoor LCD has a waterproof function. Since the outdoor contribution is sufficient, the outdoor LCD requires a relatively high brightness, so that it can be seen that the "P" refers to the amount of display content per unit area called the information capacity. The larger the value is, the smaller the dot pitch is, the closer the spot distance is, the closer the distance is, the clearer the display is, the smaller the dot pitch is, the higher the pixel density is, the more information capacity is, and the more suitable the viewing distance is. near. The smaller the dot pitch, the higher the pixel density, the more information capacity, and the closer the distance is suitable for viewing. The larger the dot pitch, the lower the pixel density, the smaller the information capacity, and the farther the distance is suitable for viewing.