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Side view camera shooting based surface damage defect detection device and method

A technology for defect detection and surface damage, which is applied in the direction of optical detection of defects/defects, etc., can solve the problems of low detection accuracy and inability to automatically adjust, and achieve the effect of avoiding uneven shooting pictures, fewer light sources, and improving accuracy

Active Publication Date: 2018-11-06
WUHAN JINGCE ELECTRONICS GRP CO LTD
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Problems solved by technology

[0008] Aiming at at least one defect or improvement requirement of the prior art, the present invention provides a surface damage defect detection device and method based on side-view camera photography, the purpose of which is to solve the defect detection accuracy of existing surface defect detection devices. High, unable to automatically adjust the position of the camera and light source according to the size of the display screen

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  • Side view camera shooting based surface damage defect detection device and method
  • Side view camera shooting based surface damage defect detection device and method
  • Side view camera shooting based surface damage defect detection device and method

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Embodiment Construction

[0054] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0055] figure 2 It is a schematic structural diagram of a surface damage defect detection device and method based on a side-view camera photographed by an embodiment of the present invention; figure 2 As shown, the surface damage defect detection device includes a camera 1 (with a lens), a strip light source 2, a movable translation platform 3, a first support mechanism 4, a second support me...

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Abstract

The invention belongs to the technical field of automatic defect detection of panels and discloses a side view camera shooting based surface damage defect detection device and method. The side view camera shooting based surface damage defect detection device comprises a camera, a strip source, a position regulation mechanism and a central controller, the camera and the position regulation mechanism are connected with the central controller through a control cable; the strip source and the camera are arranged on the position regulation mechanism on one side of a to-be-detected display screen; the camera and the strip source are located on the same side of the display screen, a set shooting angle is kept between the camera and the display screen; the strip source is used as a lighting lightsource, the shooting camera and the strip source are arranged on the same side of the display screen, the condition that multiple light sources cause uneven shooting picture of the camera is avoided,the defect is imaged on the picture shot by the camera at a relatively high contrast ratio, and the defect defection accuracy is improved.

Description

technical field [0001] The invention belongs to the technical field of automatic defect detection of panels, and more specifically relates to a surface damage defect detection device and method based on side-view camera photography. Background technique [0002] The production process of new display screens such as LCD / OLED includes nearly a hundred processes. Although most of the processes of the display screen are completed in a clean room, various defects such as cracks, scratches, and dirty surfaces are still inevitable. , air bubbles and surface particles, etc.; these defects will seriously affect the display performance of the display, so defect detection is required before leaving the factory; [0003] The current detection methods mostly use Automatic Optical Inspection (AOI), which uses optical imaging technology (usually using cameras and lenses) to obtain images of the target to be measured, and then passes through certain image processing algorithms to obtain ima...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/95
CPCG01N21/95
Inventor 洪志坤张胜森欧昌东郑增强
Owner WUHAN JINGCE ELECTRONICS GRP CO LTD
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