A visual intelligent detection mechanism for optical film

Abstract

The invention discloses an intelligent visual detection mechanism of an optical film. The intelligent visual detection mechanism of the optical film comprises a feeding unit and a detection unit, wherein the feeding unit comprises a feeding module and a protective film take-off mechanism, the protective film take-off mechanism comprising an adhesive tape feeding module, an adhesive tape pressing lamination module and a protective film take-off module; the detection unit comprises a lighting module, a camera module and an upper computer; the intelligent visual detection mechanism of the optical film further comprises a strip position adjusting system, comprising a strip error correcting mechanism and a strip tension adjusting mechanism. The intelligent visual detection mechanism of the optical film mainly performs fully-automatic detection on optical film products in an intelligent visual detection manner, thereby screening defective optical film products. The intelligent visual detection mechanism of the optical film has the advantages of high detection efficiency and high detection reliability, and has the advantages of compact structure, small occupation area and relatively low cost due to relatively reasonable structure design. Most importantly, the intelligent visual detection mechanism of the optical film not only is high in defect identification rate of the optical film products, but also avoids false detection, thereby ensuring the quality control of the products.

Description

technical field [0001] The invention relates to a detection device, in particular to a visual intelligent detection mechanism of an optical film, and the optical film includes a brightness enhancement film, a protective film, etc. used in a mobile phone or a tablet computer. Background technique [0002] With the continuous development and progress of science and technology, the market for electronic products, especially mobile intelligent terminal products, continues to expand, and a large demand for optical films has emerged as the times require. [0003] There are many kinds of optical film products, which are widely used in mobile intelligent terminal products, among which brightness enhancement film is a typical example. Brightness Enhancement Film (BEF, Brightness Enhancement Film) is a film or sheet used in TFT and LCD backlight modules to improve the luminous efficiency of the entire backlight system of electronic equipment. It is widely used in liquid crystal displa...

AI Technical Summary

Problems solved by technology

[0004] 1. Completely manual inspection, through the human eyes of the inspectors to observe the brightness enhancement film products, to find defective brightness enhancement films and eliminate them; this manual inspection method leads to high labor costs for enterprises, and the detection efficiency is not good; the actual In addition, human eye detection is also prone to fatigue and missed detection, so there is still a problem of low reliability, resulting in unstable product quality;

[0005] 2. Mechanical testing, which intends to replace manual testing with automated testing equipment; however, looking at the industry, there is no well-designed solution. Existing testing equipment or mechanisms are too complex, there are too many redundant structures, or the testing efficiency is not good. , low reliability; in addition, since the brightness enhancement film products are usually arranged on the belt-shaped base film at intervals during testing, and are covered by a belt-shaped protective film, when testing, the equipment often misses due to the cover of the protective film. Defects in the brightness enhancement film itself, sometimes mistakenly identify and eliminate defects on the protective film as defects of the brightness enhancement film, resulting in false detection and waste of products

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