LED unit boards are also called LED display unit boards. In addition, some people are called LED display modules. The LED unit board is just its abbreviation.The LED unit board determines the image clarity of the LED display and the effect of color visual effects, that is, to do a certain extent for making a LED display is determined by the LED unit board.
LED unit board price
Single infrared outdoor LED unit board: This LED unit board is generally suitable for outdoor. The display method is horizontal scrolling. Its pixel composition is first -level red.Among them, its resolution is 32 × 16, the point density is 10,000 per square meter, and the average consumption power is 300 watts per hour.Its interface is the standard 12 interface adopted, the size of the unit board is 320 mm*160 mm, the maximum power consumption is 880 watts per hour, and the visual distance is between 3 and 300 meters.It is generally used between minus 20 degrees and 80 degrees. The life is more than 100,000 hours. It must be used under the conditions of 220 volts and 50 Hz, and it must be required to be single -phase three -line system.The effect of the unit board is very good, making people more clear and visible. Its general market sales price is 23 yuan.Single infrared all -outdoor LED unit board: The pixel type of this LED unit board is also single red. Its physical point distance is 10 mm and the specifications are 320 mm*160 mm.Its communication interface is also a standard 12 interface. The service life is more than 100,000 hours. The maximum power is 16 watts. Its best vision is within ten meters.It uses a new condensed mask, almost no reflection, and it is better in visual expansion, and its price is relatively affordable. Its market sales price is 32 yuan.
LED unit board brand
First place: think twice.Shanghai Sanshi Electronic Engineering Co., Ltd. is a high -tech technology industry specializing in the application and development of LED application products.It is the most famous LED product production brand in Shanghai. It mainly produces LED downlights, LED energy -saving lights, chandeliers, ceiling lights, etc.Established in November 2003, the experience in the past ten years has made the two thoughts have its own set of production and development experience and won praise from consumers.Second place: Zhouming Unilumin.Zhouming Technology Co., Ltd. is located in Shenzhen and was listed in 2004. After 7 years of development and successfully listed in 2011.It is a private enterprise integrating LED products research and development, processing, and sales.The main products include LED high -definition energy -saving full -color display and energy -saving lamp for more than ten years. They are committed to providing users with better LED products.
LED unit board repair
I. LED unit boards do not light up LED unit boards that are not high. At this time, you need to check whether the power supply of the LED unit board is well connected to the signal line of the LED unit board. Then check the test card of the LED unit board.The test card of the LED unit board flashes is normal, and the test card is normal, and otherwise it is poor.After that, the 74HC245 of the LED unit board has no short circuit.Second, the picture of the LED display is overlapping. At this time, the A, B, C, and D input port of the LED unit board needs to be checked. Is there any disconnection or short circuit between the test port and 245, so as to determine the LED unitThe output of each signal output of A, B, C, and D of the board is normal.Third, the full light or part of the non -bright LED display appears full of light or part of the non -light. You need to detect whether the lines between 138 and 4953 of the LED unit board have poor contact or short circuit.

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