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Multi-optical vision equipment

A visual equipment and visual technology, applied in the direction of optical testing flaws/defects, material analysis by optical means, scientific instruments, etc., can solve the problems of relying on multi-line scanning cameras and lighting features, etc., to achieve simple and space-efficient testing instruments. Effect

Active Publication Date: 2022-05-31
SAMSUNG DISPLAY CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, in Patent Laid-Open Publication No. 2012-0129547, the variation of the synchronization value is heavily dependent on the multi-line scan camera and illumination characteristics, and it is necessary to sequentially and rapidly illuminate a plurality of illumination devices corresponding to the multi-line scan camera for high-speed imaging the controller

Method used

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  • Multi-optical vision equipment
  • Multi-optical vision equipment
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Embodiment Construction

[0017] It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention, and specific exemplary embodiments are illustrated in the accompanying drawings and described in the detailed description. Accordingly, this invention is intended to cover the modifications and variations of this invention that fall within the scope of this invention and their equivalents. In describing the exemplary embodiments of the present specification, when it is determined that a detailed description of well-known technologies related to the present invention may obscure the gist of the present invention, the description will be omitted. Numbers (eg, first, second, etc.) used in the description of this specification are merely identification symbols for distinguishing one constituent element from other constituent elements. In this specification, it will be understood that when...

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Abstract

The present invention relates to multi-optical vision devices. More specifically, the present invention relates to multi-optical vision devices for detecting defects in objects. The present invention can obtain images of multiple optical characteristics such as bright vision images, dark vision images, and differentiated vision images through one imaging without illumination control or illumination synchronization when detecting defects of objects, so that by using supplementary image data, the illumination device The interference between can be minimized and the failure of defect detection of objects can be reduced.

Description

technical field [0001] The present invention relates to a multi-optical vision device. More specifically, the present invention relates to a multi-optical vision device for detecting defects in objects. Background technique [0002] In general, techniques for determining that an object is defective from an image of the object after imaging it with a camera have been implemented in various fields. For example, defects such as splinters or protrusions of objects are detected by imaging in many industries such as imaging in flat panel displays, glass substrates, LCDs, automotive glass, and the like. [0003] For imaging of defects in many industries, line scan cameras are used, and lighting equipment is installed to illuminate the light. However, the line scan camera is sensitive to the illumination angle of the line and the angle of the line scan camera, and if the rotation axis is slightly out of tune (over 0.1 degrees), the brightness of the right image and the left image ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/88
CPCG01N21/88G01N21/8806
Inventor 朴镕希朴鲁中郭炫叔金基勋李憓珍全丙峻郑永一
Owner SAMSUNG DISPLAY CO LTD