Laser processing system and laser processing method for protective substrate

Abstract

The invention provides a laser processing system and a laser processing method for a protective substrate. The laser processing system for the protective substrate comprises: a substrate bearing table; a laser generating device which comprises a laser oscillator, a galvanometer assembly and a light gathering element; a translation driving device which is connected with the laser generating device;and a control device that is connected with the laser generation device and the translation driving device, wherein the control device drives the laser generation device to move by utilizing the translation driving device, so that the laser beam moves along the edge of the protective substrate to reinforce the side surface of the protective substrate. By means of the method, the production efficiency of the protective substrate made of the tempered glass material can be remarkably improved, cracks are prevented from spreading into the protective substrate, and the quality of a finally-formedproduct can be improved.

Description

technical field [0001] The invention relates to the technical field of tempered glass processing, in particular to a laser processing system and a laser processing method for a protective substrate. Background technique [0002] Tempered glass guards used in touch screens and portable terminals such as mobile phones serve as the outer layer of display panels to prevent scratches on display panels such as LCDs and OLEDs, or to protect them from external shocks. Such a tempered glass shield unit has various shapes according to the shapes of the touch screen and the portable terminal, and the original glass must be cut in order to make the tempered glass shield have a desired shape. [0003] In the prior art, the original glass plate before strengthening treatment is generally cut by mechanical cutting to make glass units with the desired shape, and after processing the through holes for installing buttons or camera lenses on each glass unit, finally the The strengthening laye...

AI Technical Summary

Problems solved by technology

[0005] However, using a laser beam to cut the strengthened tempered glass original plate to obtain a tempered glass unit of a desired shape still has the following problems, the side of the tempered glass unit cut from the tempered glass original plate is still in an unstrengthened state; and, in During the cutting process, debris will be generated on the cut side of the tempered glass unit, and these debris will become an inducement for cracks to propagate to the inner part of the tempered glass. For the side wall of the tempered glass unit, a grinding process is required to remove these debris , and in order to remove the debris formed on the side of the tempered glass unit, the manual grinding process of each tempered glass unit will significantly reduce the production yield of the tempered glass unit, resulting in an increase in labor costs, and ultimately an increase in the unit price of the product

Images