Led display anti-static knowledge

by:GKGD     2020-05-01
In LED display product performance parameters, a lot of people are more focus on display color, brightness, chips and other issues, but few people focus on antistatic performance of the full color LED display, the influence of static electricity for electronic products is very big, sometimes even fatal, below, and everyone together to explore the related knowledge of LED display and anti-static! A, electrostatic sources that affect the circuit mainly has the human body static electricity source, plastic products and related equipment instrument, static power from using the environment object and materials; The floor, work desk and chair; Overalls, packaging container; Paint or wax surface, organic and glass fiber materials; Cement floor paint or waxing floor, plastic tile or plastic flooring; Chemical fiber clothes, not conductive work shoes, clean cotton overalls; Plastic, packing box, box, bag, disc, foam padding. Second, the static discharge failure of sudden failure and potential failure. Static electricity failure in using the environment above 90 for the potential failure, show the circuit resistance electric stress ability weakened, shorten service life. Three, anti-static measures electrostatic electrostatic sensitive circuits using personnel knowledge and relevant technical training; Anti-static work area is established. Such as the LED is sensitive to electrostatic equipment. INGAN chips are generally considered to be 'first' are susceptible to interference. And ALINGAPLEDSSHI 'second' or better; ESD damaged equipment can show the dim and blurred, put out, short or low VF or VR. ESD damaged equipment should not be confused not electronic overload, such as: because of the error of current design or drive, wafer articulated, shielding grounding wires or encapsulation, or ordinary environment induced stress, etc. ; ESD safety and control program: most of the electronic and optical company ESD is very similar, and have successfully achieved so equipment ESD control, manipulation and the main program. These programs because of ESD ancient instrument has been used to test the quality effect. ISO- 9000 certification also put his columns such as normal controls. Four, transportation and packaging in the daily operation, ESD sensitive equipment should have been stored in the anti-static bag or container. This includes inventory reserves, transportation and the WIP. Prophylaxis of transport fleet, including consumption box or other devices, such as with conductive wheels or drag, ESD equipment is grounded in the delivery; LED display big screen on the market at present is the most widely application scope display products, because belong to high-end display products, the production cost is higher, LED display manufacturers need to esd knowledge training of employees, and relative humidity control in more than 40, as far as possible, reduce the rate of LED display in the process of transportation damage.
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