CN108519214B

CN108519214B - Panel detection device

Info

Publication number: CN108519214B
Application number: CN201810240937.4A
Authority: CN
Inventors: 散迎志
Original assignee: Wuhan China Star Optoelectronics Technology Co Ltd
Current assignee: Wuhan China Star Optoelectronics Technology Co Ltd
Priority date: 2018-03-22
Filing date: 2018-03-22
Publication date: 2020-04-10
Anticipated expiration: 2038-03-22
Also published as: CN108519214A

Abstract

The invention provides a panel detection device which comprises a bearing structure, an adjusting structure and a detection structure, wherein the bearing structure comprises a bearing plate, the bearing plate is used for bearing a panel to be detected, the adjusting structure is rotationally connected with the bearing plate, the detection structure is in sliding connection with the adjusting structure, one surface of the detection structure, facing the panel to be detected, is a plane, and the curvature radius of one surface of the detection structure, deviating from the panel to be detected, is gradually increased from an edge area to a central area. According to the panel detection device provided by the invention, the position of the detection structure can be adjusted through the adjusting structure, so that different parts of the panel can be conveniently detected, the curvature radius of one surface of the detection structure, which is far away from the panel to be detected, from the edge area to the central area is gradually increased, and the less obvious display problem is more easily perceived through the gradual curvature change, so that the probability of missed detection is reduced, and the display taste of the panel is improved.

Description

Panel detection device

Technical Field

The invention relates to the technical field of display panel detection, in particular to a panel detection device.

Background

In the production process of the display panel, the display quality of the display panel needs to be detected. At present, two methods of human eye visual inspection or machine AOI (automatic optical inspection) detection are usually adopted when the display quality of a display panel is detected, and the conventional display problems such as foreign matters, white points and the like are easy to distinguish by human eyes, but the less obvious mura display problems such as foggy mura, pockmark mura and the like are not easy to be perceived by human eyes and easy to miss detection, and the AOI machine cannot identify the problems.

Disclosure of Invention

In order to solve the above problems, the present invention provides a panel detection apparatus, which can detect a less obvious mura-type display problem, reduce the probability of missed detection, and improve the display quality of a panel.

The specific technical scheme provided by the invention is as follows: the utility model provides a panel detection device, panel detection device includes bearing structure, regulation structure and detection structure, bearing structure includes the loading board, the loading board is used for bearing and waits to detect the panel, adjust the structure with the loading board rotates to be connected, detect the structure with adjust structure sliding connection, detect the structure orientation wait to detect the one side of panel be the plane, it deviates from to detect the structure wait to detect the one side of panel from the edge region to the regional radius of curvature of central region increase gradually.

Furthermore, one surface of the detection structure, which is away from the panel to be detected, comprises a first area and a second area which is arranged around the first area, the first area is a plane, the second area is an arc surface, and the curvature radius of the second area gradually increases along the direction close to the first area.

Furthermore, the curvature radius of the second area is 0-100 mm.

Furthermore, the adjusting structure comprises a transverse sliding shaft and a longitudinal sliding shaft, the transverse sliding shaft is rotatably connected with the bearing plate, the longitudinal sliding shaft is slidably connected with the transverse sliding shaft, and the detecting structure is slidably connected with the longitudinal sliding shaft.

Furthermore, the transverse sliding shaft comprises a cross rod and a rotating shaft which is bent and extended from the cross rod, the rotating shaft is rotatably connected with the bearing plate, and the longitudinal sliding shaft is slidably connected with the cross rod.

Further, the longitudinal sliding shaft comprises a longitudinal rod, a first sliding block and a second sliding block, the first sliding block is fixedly connected with one end of the longitudinal rod, the first sliding block is slidably connected with the transverse rod, the second sliding block is fixedly connected with the detection structure, and the second sliding block is slidably connected with the longitudinal rod.

Further, the adjusting structure further comprises a handheld portion, and the handheld portion is arranged on the second sliding block.

Further, the bearing structure further comprises a positioning piece arranged on the bearing plate, and the positioning piece is used for positioning the panel to be detected.

The panel detection device provided by the invention comprises a bearing structure, an adjusting structure and a detection structure, wherein the adjusting structure is rotatably connected with the bearing structure, the detection structure is slidably connected with the adjusting structure, the position of the detection structure can be adjusted through the adjusting structure, so that different parts of the panel can be conveniently detected, the curvature radius of one surface of the detection structure, which is far away from the panel to be detected, from an edge area to a central area is gradually increased, and less obvious display problems are more easily perceived through curvature gradual change, so that the probability of missed detection is reduced, and the display taste of the panel is improved.

Drawings

The technical solution and other advantages of the present invention will become apparent from the following detailed description of specific embodiments of the present invention, which is to be read in connection with the accompanying drawings.

FIG. 1 is a schematic structural diagram of a panel inspection apparatus;

fig. 2 is a schematic structural diagram of a detection structure.

Detailed Description

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the specific embodiments set forth herein. Rather, these embodiments are provided to explain the principles of the invention and its practical application to thereby enable others skilled in the art to understand the invention for various embodiments and with various modifications as are suited to the particular use contemplated. In the drawings, like reference numerals will be used to refer to like elements throughout.

Referring to fig. 1, the panel detection device that this embodiment provided includes bearing structure 1, adjust structure 2 and detect structure 3, bearing structure 1 includes loading board 11, loading board 11 is used for bearing and waits to detect panel 4, adjust

structure

2 and 11 rotation of loading board and be connected, detect structure 3 and adjust structure 2 sliding connection, it is the plane to detect structure 3 orientation and wait to detect the one side of panel 4, it follows the regional radius of curvature that central region increases gradually to detect the one side that structure 3 deviates from waiting to detect panel 4.

Specifically, the loading plate 11 is a flat plate structure, the panel 4 is located in the central area of the loading plate 11, and the detecting structure 3 is also a flat plate structure made of a transparent material. One end of the bearing plate 11 is rotatably connected with the adjusting structure 2, and the adjusting structure 2 can rotate around the bearing plate 11 to adjust the included angle between the detecting structure 3 and the bearing plate 11, i.e. the opening and closing degree of the detecting structure 3 relative to the bearing plate 11. The detecting structure 3 can slide along the adjusting structure 2 so that the detecting structure 3 moves in a horizontal direction or a vertical direction with respect to the panel 4 to be detected.

With reference to fig. 2, the detecting structure 3 is a plane-convex structure, and one side of the detecting structure facing the panel 4 to be detected is a plane, so that the detecting structure 3 can be conveniently contacted with the panel 4 to be detected. Preferably, the side of the detecting structure 3 facing away from the panel 4 to be detected includes a first region 31 and a second region 32 disposed around the first region 31, the first region 31 is a plane, the second region 32 is an arc, and the radius of curvature of the second region 32 gradually increases along a direction approaching the first region 31. The first area 31 is located in the center of the second area 32, the first area 31 is used for normal display, during the detection process, the detection area of the panel 4 to be detected can be normally displayed through the first area 31, the detection structure 3 is moved through the adjusting structure 2, so that the detection area of the panel 4 to be detected is switched from the first area 31 to the second area 32, during the switching process, due to the change of curvature, the optical change amplitude in the detection area is different, and therefore the problem of poor display in the detection area is easier to perceive.

The curvature radius of the second region 32 in this embodiment is 0-100 mm, wherein the curvature radius of the second region 32 increases gradually in a direction approaching the first region 31, so that the surface of the second region 32 is a smooth arc surface.

The adjusting structure 2 comprises a transverse sliding shaft 21 and a longitudinal sliding shaft 22, the transverse sliding shaft 21 is rotatably connected with the bearing plate 11, the longitudinal sliding shaft 22 is slidably connected with the transverse sliding shaft 21, and the detecting structure 3 is slidably connected with the longitudinal sliding shaft 22. Specifically, the transverse sliding shaft 21 includes a cross bar 21a and a rotating shaft 21b bent and extended from the cross bar 21a, the rotating shaft 21b is rotatably connected to the bearing plate 11, and the longitudinal sliding shaft 22 is slidably connected to the cross bar 21 a.

The longitudinal sliding shaft 22 comprises a longitudinal rod 22a, a first sliding block 22b and a second sliding block 22c, the first sliding block 22b is fixedly connected with one end of the longitudinal rod 22a, the first sliding block 22b is slidably connected with the transverse rod 21a, the second sliding block 22c is fixedly connected with the detection structure 3, and the second sliding block 22c is slidably connected with the longitudinal rod 22 a.

The transverse sliding shaft 21 includes two cross bars 21a, the two cross bars 21a forming a slide rail of a first slider 22b, the first slider 22b sliding in a horizontal direction along the two cross bars 21 a. The rotating shaft 21b is parallel to the cross bar 21a, and the adjusting structure 2 is rotatably connected with the bearing plate 11 through the rotating shaft 21 b. The longitudinal sliding shaft 22 includes two longitudinal bars 22a, the two longitudinal bars 22a form a slide rail of a second slider 22c, and the second slider 22c slides in a vertical direction along the two longitudinal bars 22 a. The vertical bar 22a is perpendicular to the horizontal bar 21 a. The detection structure 3 is driven to move in the horizontal direction and the vertical direction by the sliding of the first slider 22b on the cross bar 21a and the sliding of the second slider 22c on the longitudinal bar 22 a.

The adjusting structure 2 in this embodiment further includes a handheld portion 23, the handheld portion 23 is disposed on the second sliding block 22c, and preferably, the handheld portion 23 is perpendicular to a surface of the detecting structure 3 facing the panel 4 to be detected, so that the position of the detecting structure 3 can be adjusted more conveniently.

The carrying structure 1 further comprises a positioning member 12 disposed on the carrying plate 11, and the positioning member 12 is used for positioning the panel 4 to be detected. The number of the positioning members 12 may be multiple, and the positioning members 12 may be uniformly distributed around the panel 4 to be detected, or may be symmetrically distributed around the panel 4 to be detected. Wherein, setting element 12 is cylindricly, and the panel 4 that will wait to detect that can be fine through setting element 12 is fixed on loading board 11, avoids waiting to detect panel 4 and takes place to remove in the testing process.

The panel detection device package that this embodiment provided can adjust the position that detects structure 3 through adjusting structure 1 to be convenient for treat the different positions that detect panel 4 and detect, the one side that detects structure 3 deviates from to detect panel 4 increases from marginal area to central zone's curvature radius gradually, makes less obvious display problem more easily perceived through the curvature gradual change, thereby reduces the probability of lou examining, promotes the demonstration taste of panel.

The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.

Claims

1. A panel detection device is characterized by comprising a bearing structure, an adjusting structure and a detection structure, wherein the bearing structure comprises a bearing plate, the bearing plate is used for bearing a panel to be detected, the adjusting structure is rotatably connected with the bearing plate, the detection structure is in sliding connection with the adjusting structure, one surface of the detection structure, facing the panel to be detected, is a plane, and the curvature radius of one surface of the detection structure, which deviates from the panel to be detected, is gradually increased from an edge area to a central area; the adjusting structure comprises a transverse sliding shaft and a longitudinal sliding shaft, the transverse sliding shaft is rotatably connected with the bearing plate, the longitudinal sliding shaft is slidably connected with the transverse sliding shaft, and the detecting structure is slidably connected with the longitudinal sliding shaft.

2. The panel testing device according to claim 1, wherein a surface of the testing structure facing away from the panel to be tested includes a first region and a second region surrounding the first region, the first region is a plane surface, the second region is an arc surface, and a curvature radius of the second region gradually increases along a direction approaching the first region.

3. The panel inspection device according to claim 2, wherein the radius of curvature of the second region is 0 to 100 mm.

4. The apparatus of claim 1, wherein the lateral sliding shaft includes a cross bar and a rotating shaft extending from the cross bar, the rotating shaft is rotatably connected to the supporting plate, and the longitudinal sliding shaft is slidably connected to the cross bar.

5. The panel detecting device according to claim 4, wherein the longitudinal sliding shaft includes a longitudinal bar, a first sliding block and a second sliding block, the first sliding block is fixedly connected to one end of the longitudinal bar, the first sliding block is slidably connected to the cross bar, the second sliding block is fixedly connected to the detecting structure, and the second sliding block is slidably connected to the longitudinal bar.

6. The panel detecting apparatus of claim 5, wherein the adjusting structure further comprises a hand-held portion disposed on the second slider.

7. The panel detecting apparatus according to claim 1, wherein the supporting structure further includes a positioning member disposed on the supporting plate, and the positioning member is used to position the panel to be detected.