Application of ultrasonic cleaning in liquid crystal industry
Cleaning products: liquid crystal display
Main cleaning material: the liquid crystal of the liquid crystal of the particles and the encapsulation of the particles.
Technical difficulties:
1 the use of conventional ultrasound may damage the LCD monitor
2 how to ensure the consistency of the cleaning effect when the cleaning quantity is big
Solution method:
1 using multi-stage cleaning
2 Application of high frequency ultrasound
Test method: using polarized light
Cleaning result:
After the application of high frequency ultrasonic cleaning, the size of all remaining particles is less than 3 micron, and the number of particles is kept in 8 / square. At the same time, the edge of the display and the gap in the liquid crystal, the display is not the slightest damage.