Automatic LCD screen defect detection system

A technology of liquid crystal display and automatic detection, which is applied in the direction of optical testing flaws/defects, measuring electricity, and measuring devices. Low misjudgment rate and improved detection efficiency

Active Publication Date: 2015-09-30
CHENGDU JOVIAN TECH EXPL
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The purpose of the present invention is to: aim at the problems existing in the prior art, provide an automatic detection system for liquid crystal

Method used

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  • Automatic LCD screen defect detection system
  • Automatic LCD screen defect detection system

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Embodiment

[0035] The invention provides a liquid crystal display defect automatic detection system, such as figure 1 , figure 2 , image 3 As shown, it is mainly composed of two display screen movement assemblies 8, a camera movement assembly 7, an electric control system 9, a computer 10, an alarm 5 and a display 2. Two display screen moving assemblies 8 are arranged in parallel, each display screen moving assembly 8 includes a detection station and an installation station, the installation station is used to install and disassemble the LCD screen under test, and the detection station is used to detect the LCD screen under test . Each display screen moving component can move back and forth between the detection station and the installation station with the screen under test. The camera movement assembly 7 is arranged laterally above the two display screen movement assemblies 8 , and the camera movement assembly 7 can move the camera back and forth between the detection stations of ...

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Abstract

The invention provides an automatic LCD screen defect detection system. The system comprises two display screen movement assemblies, a camera movement assembly, an electrical control system, a computer, an alarm and a displayer, wherein the two display screen movement assemblies are arranged in parallel; each display screen movement assembly comprises a detection station and a mounting station; the camera movement assembly is horizontally arranged above the two display screen movement assemblies; when one display screen movement assembly drives an LCD screen to move to the corresponding detection station, the electrical control system controls the camera movement assembly to drive a camera to move to the corresponding detection station, meanwhile, the electrical control system controls the other display screen movement assembly to move to the corresponding mounting station, the camera acquires image information of the LCD screen and sends the information to the computer for image processing, and if the display screen has defects, the displayer displays corresponding defects, and the alarm gives an alarm. A conventional human eye detection mode can be replaced by means of the automatic LCD screen defect detection system, the human cost can be saved, and the problems of misjudgment and leak detection caused by human eye detection can be solved.

Description

technical field [0001] The invention relates to the field of liquid crystal display defect automatic detection, in particular to an liquid crystal display defect automatic detection system. Background technique [0002] Freshly produced LCD screens will be inspected for surface contamination and electrical defects before they are packaged and leave the factory. At present, the common detection method for surface pollution and electrical defects of LCD screens is human eye detection by workers. The main problems of using human eye detection: [0003] 1. It needs to consume a lot of human resources, and the labor cost is high; [0004] 2. The human eye is prone to fatigue due to long-term detection, and the subjective factors are greatly affected, which may easily cause more misjudgments and missed detections; [0005] 3. Human eyes work under dim lights for a long time, workers are prone to occupational diseases, which is not conducive to occupational health. [0006] The...

Claims

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Application Information

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IPC IPC(8): G02F1/13G01N21/94G01R31/00
CPCG01N21/94G01R31/00G02F1/1309
Inventor 宋斌刘尧峰马运杰杜科
Owner CHENGDU JOVIAN TECH EXPL
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