一种应用于显示屏的漏光检测装置和检测系统

Abstract

本实用新型公开了一种应用于显示屏的漏光检测装置和检测系统，其中一实施例的漏光检测装置包括：底板、位置调节单元、漏光检测单元、光源和载台，载台包括用于承载待测显示屏的承载部、以及承载部形成的且用于与待测显示屏的显示区对应设置的开口；光源设置在开口靠近底板一侧，光源的出射光朝向待测显示屏的显示区；位置调节单元用于调节载台在第一方向和第二方向上的位置；漏光检测单元包括支撑部和设置在支撑部上的检测镜头，检测镜头用于根据预设置的采集位置对待测显示屏的待检测区进行拍摄并生成采样图片。本实用新型提供的实施例能够对显示屏侧边漏光进行快速检测，并判断油墨涂覆的完整性和稳定性，有效提高显示屏的产品生产良率。

Claims

1. A light leakage detection device applied to a display screen, characterized in that, include: The base plate, the position adjustment unit and the light leakage detection unit mounted on the base plate, and the light source and the stage mounted on the position adjustment unit, wherein, The platform includes a support portion and an opening formed by the support portion. The support portion is used to support the display screen to be tested, and the opening is configured to correspond to the display area of ​​the display screen to be tested. The light source is located on the side of the opening near the base plate, and the emitted light from the light source is directed toward the display area of ​​the display screen under test; The position adjustment unit is used to adjust the position of the stage in a first direction and a second direction, wherein the first direction is perpendicular to the second direction; The light leakage detection unit includes a support and a detection lens disposed on the support. The detection lens is used to capture images of the detection area of ​​the display screen under test according to a preset acquisition position and generate a sampled image.

2. The light leakage detection device according to claim 1, characterized in that, The orthographic projection of the display area of ​​the display screen under test onto the base plate falls into the orthographic projection of the opening onto the base plate, and the orthographic projection of the opening onto the base plate falls into the orthographic projection of the light-emitting area of ​​the light source onto the base plate.

3. The light leakage detection apparatus according to claim 1, wherein The support portion also includes a limiting structure for limiting the movement of the display screen under test.

4. The light leakage detection apparatus according to claim 3, wherein The supporting part is rectangular, and the limiting structure consists of a first limiting substructure and a second limiting substructure. The first limiting substructure and the second limiting substructure are disposed at both ends of a diagonal line of the bearing portion.

5. The light leakage detection apparatus according to claim 1, wherein The position adjustment unit includes a first position adjustment subunit and a second position adjustment subunit stacked together. The first position adjustment subunit includes two first guide rails that extend along the first direction and are parallel to each other. The first position adjustment subunit is used to adjust the movement of the second position adjustment subunit along the first direction. The second position adjustment subunit includes two parallel second guide rails extending along the second direction. The second position adjustment subunit is used to adjust the movement of the light source and the stage along the second direction.

6. The light leakage detection apparatus according to claim 5, wherein The light leakage detection unit includes at least one first connecting part on the side near the stage, and the stage includes a plurality of second connecting parts corresponding to the first connecting part on the side near the light leakage detection unit. The first connecting part and the second connecting part abut against each other.

7. The light leakage detection apparatus according to claim 6, wherein One of the first connecting portion and the second connecting portion includes a protruding structure, and the other includes a recessed structure corresponding to the protruding structure. The protruding and recessed structures include at least one of triangular, wavy, serrated, or irregular shapes.

8. The light leakage detection apparatus according to claim 5, wherein The light leakage detection device also includes a leveling structure disposed on one side of the light leakage detection unit; In the direction perpendicular to the base plate, the leveling structure is used to adjust the position of the detection lens of the light leakage detection unit, and the adjustment range of the leveling structure is greater than or equal to 2mm and less than or equal to 10mm.

9. The light leakage detection apparatus according to claim 1, wherein The light leakage detection device also includes a platform fixing structure, comprising a handwheel, a screw, a connecting block, and a fixing pressure head. The platform fixing structure is set on the base plate through the connecting block. The handwheel responds to the user's operation and drives the screw to rotate and move in the second direction. The fixing head abuts against the platform to fix the light leakage detection device.

10. A detection system for application to a display screen, characterized in that The light leakage detection device according to any one of claims 1-9, and a processor, wherein The processor comprises a light leakage identification unit configured to identify and determine the light leakage condition of the display screen under test according to the sample picture transmitted by the light leakage detection device and generate a detection report.

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