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News about Hangel Technology - Factory Supplying Large LED Video Screen
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  • [Q&A] LED Display Lifetime


    The operational lifetime of an LED Display is determined by the lifetime of the LEDs. LED Manufacturers estimate the LED lifetime to be 100,000 hours under certain operating conditions. LED Display end of lifetimes is when the frontal brightness has decreased to 50% of original brightness. Read More

  • [Q&A] LED Display Video


    Video can be described as display a moving image, which is made up of many individual frames played at a fast rate. Good video is played at 30 frames per second or higher. A slower rate can begin to look choppy and affect the presentation quality. Read More

  • [Q&A] Prompt "No Send Card Detected" at Start-up


    01. The serial cable or USB cable is not connected to the sending card. 02. Computer COM or USB port is bad 03. Serial cable or USB cable is bad 04. Sending card is bad 05. No USB driver installed Read More

  • [Q&A] System Troubleshooting LED Display System Failure


    The first step: Check that the graphics card settings are set up properly. The second step: Check the basic connection of the system, such as DVI line, correct network line socket, connection between main control card and PC PCI cable, serial line connection, etc. Read More

  • [Q&A] LED Display Electrostatic Protection Principle And Protective Measures


    The main component of the LED display is the LED semiconductor product, and its rated maximum voltage value between the pins, once exceeded, the LED display will be malfunctioning or even damaged. Static electricity is often the main reason, so protecting static electricity is critical to LED displays. Read More

  • [Q&A] LED Display Safe Power Distribution


    After the LED display is installed, it needs to be tested. Power distribution is one of the most important tasks. The safe power distribution operation can not only extend the life of the LED display, but also avoid unnecessary losses and dangers. Read More

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