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 Mini LED

Mini LED

Mini led, also known as "submillimeter light emitting diode", refers to the LED with grain size of more than 100 μ M.

Mini LED There are two main aspects in the application of the LCD Backlight, using Mini LED As a backlight, it can save power, ultra-thin and high contrast ( Area dimming ) Of LCD Second, it is applied to large size and small spacing display, which is relatively traditional SMT Technology of small spacing display screen, using Mini LED It can achieve smaller spacing, higher reliability and better image quality of the display screen. Mini LED Suitable for mobile phone, TV, car panel and other products.

Process characteristics

Mini LED products have the characteristics of equal micro spacing, and the filling process of epoxy resin for lamp bead gap is similar to underfill. It fills the feet of each adjacent led to fix the LED unit and prevent light leakage. The technical difficulties lie in the fact that each adjacent LED unit is very small, and the gap is less than 1 mm; and the weight precision of each line is extremely high; at the same time, there is no glue on the surface of the lamp bead. This poses a great challenge to the stability and accuracy of dispensing of equipment and valves, and the control of valve scatter points.


The program vision mark algorithm of axxon Au series dispensing software can automatically correct the deviation caused by product tilt; the program command weight control function can realize the closed-loop control of dispensing weight and make real-time compensation, so as to ensure the consistency of dispensing weight and effect in the process of batch continuous production Apj1000s piezoelectric valve The special impact needle and nozzle are used to realize the line width less than 360um and ensure no scatter points. High precision, high speed and weight closed-loop control greatly improves the yield of products and reduces costs for customers.

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