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 Screen dispensing

Screen dispensing

UV glue on OLED screen can buffer and prevent inner screen from cracking under stress;

LCD screen spot hot melt adhesive can prevent the screen backlight from affecting the front camera imaging

OLED can realize self illumination without backlight, so it is thinner and thinner. Its strength and rigidity are not as good as LCD. After being assembled with the middle frame of mobile phone, the risk of internal screen cracking increases after being subjected to external impact force and internal stress. Therefore, it is necessary to seal and reinforce the side to play the role of shock absorption and buffer.

Because the LCD pole screen exists in the gap after the lower polarizer and the backlight module are glued together, the backlight module will emit light through the gap and affect the camera imaging, so it is necessary to conduct sealing glue for shading.

Process characteristics

Screen type dispensing is divided into: OLED side dispensing, LCD pole screen dispensing.


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Screen dispensing requires high precision of dispensing position and high requirements for equipment operation and control ability. The traditional three-axis dispensing machine can no longer meet the process requirements. It is necessary to increase the a-axis rotation and c-axis rotation to cooperate with XYZ axis to realize more and more complex screen dispensing process.


Axxon has am300q & am500n five axis linkage dispensing machine, which has strong operation and control ability and precise position accuracy, which perfectly meets the needs of various screen dispensing process.


Strong space dispensing track movement ability When positioning the product, CCD grabs the outline, automatically calculates the center position of the product and corrects the compensation amount of each motion axis, and drives the dispensing control system to automatically dispensing. The space trajectory conversion is simple, intelligent and accurate.


Precise dispensing precision The dispensing process has put forward high requirements for the mechanical parts and assembly accuracy of the moving mechanism itself, and the motion accuracy of the equipment mainly depends on this.


Perfect dispensing quality It is equipped with precise dispensing valve and controller. According to the difference of dispensing process, piezoelectric valve and needle contact dispensing are mature and applied. These two dispensing methods can realize the core parameter requirements such as precise control of glue weight and high aspect ratio.

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