Liquid crystal display screen lossless visual inspection device

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By adopting limit columns, rectangular cleaning scrapers and telescopic sleeves in the lossless visual detection equipment of LCD display, the problems of small detection range and low efficiency of existing equipment are solved, and efficient cleaning and detection of double-sided LCD displays are achieved, which improves the scope of application and detection effect of the equipment.

CN119643107AActive Publication Date: 2025-03-18GUANGZHOU DABONDE ELECTRONIC TECHNOLOGY CO LTD

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Patent Information

Application Number: CN202411856159.3
Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner
Filing Date: 2024-12-16
Publication Date: 2025-03-18
Estimated Expiration: 2044-12-16

Application Information

Patent Timeline

16 Dec 2024

Application

CN202411856159.3

18 Mar 2025

Publication

CN119643107A

IPC: G01M11/02; G02F1/13; G01N21/892; G01N21/01; G01N1/34

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AI Technical Summary

Technical Problem

The existing non-destructive testing equipment for LCD screens has a low detection range, making it difficult to conduct double-sided non-destructive testing, and has low detection efficiency and a small scope of application.

Method used

A lossless visual detection device for LCD display is designed, using limit columns, rectangular cleaning scrapers and telescopic sleeves to realize double-sided cleaning and pushing of LCD displays, improving detection efficiency and scope of application.

Benefits of technology

This device can effectively clean the outer surface of the LCD screen, improve detection convenience and efficiency, and is suitable for LCD screens of different sizes, ensuring detection effect and avoiding damage to the display screen by the equipment.

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Abstract

The invention discloses a lossless visual detection device for a liquid crystal display screen, and relates to the technical field of liquid crystal display screen detection. According to the lossless visual detection device for the liquid crystal display screen, through the arrangement of limiting columns and a rectangular cleaning scraper, when a conveyed liquid crystal display screen body is in contact with the rectangular cleaning scraper, the rectangular cleaning scraper and a positioning ring can be driven to rotate along the corresponding limiting columns, and at the moment, an air inlet channel is communicated; according to the liquid crystal display screen body detection device, the outer surface of a liquid crystal display screen body can be cleaned, impurities can be extracted and collected, and compared with a traditional detection mode, on one hand, the detection convenience and detection efficiency of the device can be improved, and the device can be suitable for detecting liquid crystal display screen bodies of different sizes; the application range of the equipment is expanded, and meanwhile, the detection effect on the liquid crystal display screen body can be ensured.

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