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Light box shading mechanism

A light box and shading plate technology, which is used in the testing of machine/structural components, optical performance testing, optical instrument testing, etc., can solve the problems of complex control process, cannot guarantee the synchronous movement of shading components on both sides, etc., and achieves simple operation process. , to ensure consistency and improve the effect of detection

Inactive Publication Date: 2020-04-10
SUZHOU JINGLAI OPTO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The light box shading mechanism in the prior art uses dual power in the X direction, but due to the relatively large span in the X direction, it is usually impossible to ensure that the shading components on both sides can move synchronously, and the control process is relatively complicated

Method used

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Embodiment Construction

[0049] 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, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

[0050]In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two c...

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Abstract

The invention relates to the technical field of display panel detection, and discloses a light box shading mechanism. The light box shading mechanism comprises a light box body, an X-direction drivingpart and two X-direction shading assemblies. The lamp box body is used for bearing a to-be-detected workpiece, the two X-direction shading assemblies are arranged on the lamp box body at an intervalin the X direction, the X-direction driving part comprises an X-direction driving source and a transmission assembly, and the X-direction driving source drives the two X-direction shading assemblies to move at the same time through the transmission assembly, so that the distance of a light transmitting area between the two X-direction shading assemblies is matched with the size of the to-be-detected workpiece in the X direction. According to the light box shading mechanism, the X-direction driving part is arranged, the two X-direction shading assemblies can be driven to move at the same time through one X-direction driving source, the consistency of the movement process is guaranteed, and the operation process is simple.

Description

technical field [0001] The invention relates to the technical field of display panel detection, in particular to a light-shielding mechanism for a light box. Background technique [0002] The display panel is the LCD screen, which determines the brightness, contrast, color and viewing angle of the LCD to a large extent. Its quality is not only related to the quality, price and market trend of the LCD itself, but also to the overall product quality. Functional parameters, display effects and service life, etc. [0003] Usually, before the display panel leaves the factory, the display panel needs to be inspected. During the inspection, the display panel is usually placed on the light box shading mechanism, but the size of the display panel varies greatly, and the light box shading mechanism is designed according to the largest size of the display panel. Yes, when testing a display panel with a smaller size, in order to ensure the accuracy of the testing results, it is necessa...

Claims

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Application Information

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IPC IPC(8): G01M11/02G01N21/13G01N21/94
CPCG01M11/0214G01N21/13G01N21/94
Inventor 白保民
Owner SUZHOU JINGLAI OPTO CO LTD
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