Laser etching device and laser etching method for display panel

By designing a laser etching apparatus that includes first and second etching units and a transport unit, the problem of precise feeding and transport of cathode layer material removal for display panels was solved, achieving high-precision and high-efficiency cathode etching processing.

CN115647597BActive Publication Date: 2025-12-16MAXWELL TECH (ZHUHAI) CO LTD
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Patent Information

Application Number
CN202211318443.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-10-26
Publication Date
2025-12-16
Estimated Expiration
2042-10-26

AI Technical Summary

Technical Problem

In existing technologies, in under-display camera component solutions for display panels, it is difficult to achieve effective material loading and transfer and precise etching for the removal of cathode layer material, resulting in low processing accuracy and efficiency.

Method used

A laser etching apparatus comprising a first etching unit, a second etching unit, and a transport unit is employed. Through the design of the receiving groove on the back of the adsorption component and the stable movement of the swinging part, combined with the flexible adjustment of the first and second lasers and the galvanometer, the display panel can be precisely positioned and multiple cathodes etched.

Benefits of technology

It improves the positioning accuracy and processing accuracy of cathode etching for display panels, enhances processing efficiency, and can cope with errors caused by deformation in the height direction of the display panel, achieving better processing results.

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Abstract

The application discloses a laser etching device of a display panel and a laser etching method thereof, and belongs to the technical field of display device manufacturing. The laser etching device of the display panel comprises a first etching unit, a second etching unit and a conveying unit. The conveying unit is used for receiving and adsorbing the display panel and moving the display panel below the first etching unit and the second etching unit. The first etching unit and the second etching unit are used for performing cathode etching on the display panel. The application can perform laser etching processing on the cathode of the display panel, remove the cathode material at multiple positions of the display panel, and improve the processing efficiency and accuracy of the cathode of the display panel.
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Citation Information

Patent Citations

  • Laser marking equipment

    CN108161236A