Qingyuan where wholesale LED modules? Qingyuan LED display unit board wholesale and retail LED display unit board, LED display module or simply known as the cell plate is the main component of the LED display unit, by the LED light-emitting diode and driver circuit, the driver IC and plastic packages constitute. LED display industry, and now the LED unit board is divided into two categories. Indoor unit board industry generally called surface-mount (triple paste); outdoor and semi-outdoor commonly referred to as modules. Indoor surface mount features: high-definition images, color and rich, less that the price is high; outdoor and semi-outdoor unit board module features: high brightness, waterproof, colorful, inadequate technical guidance is required for installation. Customers now on the market to do it from the interior display screen and outdoor screen to proceed, indoor screen do most conventional specification is 5.0mm and 3.75mm these two, 5.0 and 3.75mm dot dot refers to the diameter of said understand the point is a point source of a 5.0mm screen size is 17222 square on point, 3.75mm specifications of the screen a little square on the 43,000-point light source on the market these two specifications cried PH7.62 and PH4.75, 5.0mm cell board dimensions are 488 * 244mm, 3.75mm cell board sizes: 304 * 152mm outdoor screen market to do the most is that after the first door of the screen, the screen can not install the shower without drainage of rainwater is called the semi-outdoor screen, most are PH10, PH16 and PH20, which of course is done semi-outdoor PH10 widest, the difference between pure outdoor and semi-outdoor display screen can be divided into modules if needed Glue, which is required does not require water treatment, if there is direct sunlight outdoors pure brightness of the screen, then you need more, that is, the chip needs to be a better job, half outdoor screen basically done with aluminum frame to assemble, too you can do with a simple box, the price will be a little expensive but more practical and more beautiful, and outdoor rain will pour into waterproof box, then it will need to do the job, of course, on the price of such a waterproof box compared to the high a lot. Aluminum is the most common size 9 * 3.5cm, that is if you do the trim panel on board 7CM coupled together are the total size of the width and height of the screen, it is the width and height of the box Each wants to add 12cm respectively PH10 module sizes are: 320 * 160mm PH16 module sizes are: 256 * 128mm PH20 module sizes are: 320 * 160mm