Multifunctional detecting platform for liquid crystal display panel and its detecting method

Abstract

A multifunctional detection machine for liquid crystal display panels and a detection method thereof, the detection machine is mainly composed of a detection platform, a backlight module, a user interface, a circuit board detection device and a gluing device; wherein, The backlight module is arranged on the inspection platform, the user interface is electrically connected to the inspection platform, the circuit board inspection device is arranged on the inspection platform and electrically connected to the user interface, and the glue coating device is arranged on the inspection platform. The detection method includes the following steps: providing a liquid crystal display panel, a polarizer is attached to the surface of the liquid crystal display panel, and is electrically connected with at least one circuit board; performing a one-point lighting test operation on the liquid crystal display panel and performing a test on the circuit board A circuit board detection operation; and a glue coating operation on the periphery of the liquid crystal display panel. With the multifunctional testing machine of the present invention, a liquid crystal display panel that has been electrically connected to at least one circuit board can simultaneously perform lighting test, circuit board inspection and gluing operation.

Description

technical field [0001] The present invention relates to a multi-functional detection machine and detection method of a liquid crystal display panel (LCD Panel) in the field of display devices, in particular to a light on test (Light On Test, LOT) and a circuit that can simultaneously perform a liquid crystal display panel PCB inspection (PCB Inspection, PBCI) and multi-functional testing machine for liquid crystal display panel and its testing method. Background technique [0002] In recent years, liquid crystal displays (Liquid Crystal Displays, LCDs) with superior characteristics such as high image quality, good space utilization efficiency, low power consumption, and no radiation have gradually become the mainstream of the market. [0003] The current manufacturing process of an existing liquid crystal display panel (LCD panel) is generally as follows: lower substrate fabrication, upper substrate fabrication, plastic frame coating process, press-fitting and sealing proces...

AI Technical Summary

Problems solved by technology

In order to solve the defects of the existing liquid crystal display panel testing machines and testing methods, relevant manufacturers have tried their best to find a solution, but no suitable design has been developed for a long time. problem to be solved

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