Method and device for detecting internal dust of liquid crystal screen
A technology of dust detection and liquid crystal screen, which is applied in the direction of optical testing flaws/defects, optics, instruments, etc., can solve problems such as false detection, and achieve the effect of reducing false detection rate and accurate distinction
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[0038] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0039] The inventors of the present invention found that during the detection process of whether there is dust inside the liquid crystal screen, most of the influence on the detection results is the dust falling on the upper surface of the liquid crystal screen. If the dust falling on the upper surface of the liquid crystal screen can be determined, the influence of the dust falling on the upper surface on the dust detection inside the liquid crystal screen can be eli...
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