CN111413814A - Display panel testing device - Google Patents
Display panel testing device Download PDFInfo
- Publication number
- CN111413814A CN111413814A CN202010347272.4A CN202010347272A CN111413814A CN 111413814 A CN111413814 A CN 111413814A CN 202010347272 A CN202010347272 A CN 202010347272A CN 111413814 A CN111413814 A CN 111413814A
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- ball
- ball drop
- display panel
- rail
- guide rails
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The application provides a display panel testing arrangement, it includes: the base is used for placing a display panel to be tested; dropping the ball; the first guide rail is arranged on the base and extends along a first direction; the second guide rail is arranged on the first guide rail and extends along a second direction, and the second guide rail is used for moving along the first guide rail in the first direction; a third rail disposed on the second rail and extending in a third direction, the third rail being configured to move in the second direction along the second rail; and the falling ball releasing mechanism is arranged on the third guide rail and used for releasing the falling balls at the preset position in the third direction.
Description
Technical Field
The application relates to the field of display, in particular to a display panel testing device.
Background
In the manufacturing process of the liquid crystal display panel, liquid crystal is injected between a color film substrate and an array substrate, and boxes are paired through frame glue, a Spacer (Photo Spacer) is arranged between the color film substrate and the array substrate to form a certain interval (Cellgap), under the condition that the filling amount of the liquid crystal in a box is not enough or air exists during filling, liquid crystal bubbles (L C bubbles) can possibly occur after the panel is formed into the box.
Disclosure of Invention
In view of this, the present application aims to provide a display panel testing apparatus with high testing accuracy, simple operation and high testing efficiency.
A display panel testing apparatus, comprising:
the base is used for placing a display panel to be tested;
dropping the ball;
the first guide rail is arranged on the base and extends along a first direction;
the second guide rail is arranged on the first guide rail and extends along a second direction, and the second guide rail is used for moving along the first guide rail in the first direction;
a third rail disposed on the second rail and extending in a third direction, the third rail being configured to move in the second direction along the second rail; and
and the falling ball releasing mechanism is arranged on the third guide rail and used for releasing the falling balls at the preset position in the third direction.
In an embodiment, the base has a placing surface for placing the display panel to be tested, the first direction is a direction perpendicular to the placing surface, and the second direction is perpendicular to the third direction and parallel to the placing surface.
In an embodiment, the display panel testing apparatus includes two sets of the first guide rails disposed oppositely, two sets of the second guide rails disposed oppositely, and a set of the third guide rails.
In an embodiment, each set of the first guide rails includes two or more first guide rails spaced apart from each other along the second direction, each set of the second guide rails is disposed on one set of the first guide rails, each set of the second guide rails includes one or more second guide rails, the one set of the third guide rails is disposed between two sets of the second guide rails, and the one set of the third guide rails includes one or more third guide rails.
In an embodiment, each set of the third guide rails includes a plurality of the third guide rails spaced apart along the second direction, and the display panel testing apparatus further includes a plurality of falling balls and a plurality of falling ball releasing mechanisms.
In an embodiment, the ball falling release mechanism includes at least one ball falling hole and ball falling release switches corresponding to the ball falling holes one to one, the ball falling hole is a through hole formed on the third guide rail, when the ball falling release mechanism does not release a falling ball, the ball falling hole is covered by the ball falling release switches, and when the ball falling release mechanism releases a falling ball, the ball falling hole is exposed by the ball falling release switches.
In one embodiment, the display panel testing apparatus includes an inflatable cushion disposed on a base.
In an embodiment, the display panel testing apparatus further includes a ball drop collecting groove disposed on the base, the ball drop collecting groove being disposed around the inflatable cushion, the ball drop collecting groove having a ball drop collecting opening, the ball drop collecting groove including an inclined surface inclined toward the ball drop collecting opening.
In one embodiment, the ball collection groove is disposed in an annular shape around the inflatable cushion, the ball collection groove has a highest point, and the ball collection groove includes an inclined surface inclined from the highest point toward the ball collection port.
In one embodiment, the display panel testing apparatus includes a falling ball transportation mechanism, the falling ball transportation mechanism includes a falling ball transportation rail and a falling ball transportation portion, one end of the falling ball transportation rail is connected to the falling ball collection port, the other end of the falling ball transportation rail is connected to the third guide rail, and the falling ball transportation portion is configured to transport the falling ball from the falling ball collection port to the third guide rail along the falling ball transportation rail. Compared with the prior art, the display panel testing device can replace manual operation through machine operation and can perform multi-point operation. The utility model provides an inflatable packer can simulate backlight unit's buffering, and the ejector PIN in the inflatable packer can simulate different top PIN designs. In addition, the display panel testing arrangement of this application can also automatic collection drop ball and release on transporting the guide rail with drop ball.
Drawings
In order to more clearly illustrate the technical solutions in the present application, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a display panel testing apparatus according to an embodiment of the present application.
Fig. 2 is a schematic perspective view of a display panel testing apparatus according to another embodiment of the present application.
Fig. 3(a) to 3(c) are schematic perspective views of a first rail, a second rail, and a third rail of a display panel testing apparatus according to another embodiment of the present application.
Fig. 4(a) is a schematic plan view of the drop ball release mechanism of fig. 1 when the drop ball is not released, and fig. 4(b) is a schematic plan view of the drop ball release mechanism of fig. 1 when the drop ball is released.
FIG. 5 is a schematic view of the structure of the inflatable cushion of FIG. 1.
Fig. 6 is a schematic view of a part of the structure of the ball dropping collecting groove in fig. 1.
Detailed Description
The technical solution in the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It should be apparent that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any inventive step based on the embodiments in the present application, are within the scope of protection of the present application.
Referring to fig. 1, a display panel testing apparatus 100 according to an embodiment of the present disclosure is used for performing a liquid crystal bubble test and a strength test on a display panel. The display panel comprises a liquid crystal display module.
The display panel testing apparatus 100 includes a base 10 for placing a display panel to be tested; a falling ball 20 for falling from a certain height to the display panel 200; a first guide rail 30 disposed on the base 10 and extending along a first direction D1; a second rail 40 disposed on the first rail 30 and extending along the second direction D2, the second rail 40 being configured to move along the first rail 30 in the first direction D1; a third rail 50 disposed on the second rail 40 and extending along a third direction D3, the third rail 50 being configured to move along the second rail 40 in the second direction D2; and a falling ball releasing mechanism 60 provided on the third guide rail 50 for releasing the falling ball 20 at a predetermined position in the third direction D3.
The drop balls 20 may be steel balls.
The present application does not limit the extending direction and number of the first guide rail 30, the second guide rail 40, and the third guide rail 50. In the present embodiment, the chassis 10 has a placement surface 10a on which the display panel 200 to be tested is placed. The Z axis is defined as the height direction perpendicular to the mounting surface 10a, the longitudinal direction of the mounting surface 10a is the X axis direction, and the width direction of the mounting surface 10a is the Y axis direction. The X axis is perpendicular to the Y axis, and the Z axis is perpendicular to the plane of the X axis and the plane of the Y axis. The first direction D1 is the Z-axis direction. The second direction D2 is the X-axis direction. The third direction D3 is the Y-axis direction. The display panel testing apparatus 100 includes two sets of first guide rails 30 disposed opposite to each other, two sets of second guide rails 40 disposed opposite to each other, and a set of third guide rails 50. The two sets of first guide rails 30 may be disposed parallel to each other or may be at an angle. The two sets of second guide rails 40 may be disposed parallel to each other or may be at an angle. Each set of first guide rails 30 includes two or more first guide rails 30 spaced apart along the second direction D2. Each set of second guide rails 40 is disposed on one set of first guide rails 30. Each set of second rails 40 includes one or more second rails 40. The two sets of second rails 40 comprise the same number of second rails 40. Each second guide rail 40 in one group of second guide rails 40 corresponds to the second guide rail 40 in the other group one by one, and is arranged at the same height of the first guide rail 30. The two second rails 40 corresponding to each other may be provided independently or may be formed integrally as shown in fig. 2, for example, the two second rails 40 are a ring-shaped rail provided around the first rail 30. The set of third guide rails 50 is disposed between the two sets of second guide rails 40. The set of third rails 50 includes one or more third rails 50. In one embodiment, each set of first rails 30 includes two first rails 30. Each set of second rails 40 includes one second rail 40. Each set of third rails 50 includes one third rail 50.
The relative movement between the first guide rail 30 and the second guide rail 40, and between the second guide rail 40 and the third guide rail 50 may be, for example, by means of a slide groove and a slider.
Referring to fig. 2, fig. 2 omits a partial structure of the display testing apparatus of the present application, for example, a ball drop transportation mechanism described later, and omits a display panel 200 to be tested. In another embodiment of the present application, each set of second guide rails 40 includes a plurality of second guide rails 40 spaced apart along the first direction D1. Each set of the third guide rails 50 includes a plurality of third guide rails 50 spaced apart along the second direction D2. Meanwhile, the display panel testing apparatus 100 further includes a plurality of ball drop mechanisms 60 and a plurality of ball drop mechanisms 20, so that a multi-point simultaneous ball drop display panel testing apparatus can be realized. It will be appreciated that each set of second rails 40 may include only one second rail 40. And each set of third guide rails 50 includes a plurality of third guide rails 50 spaced apart along the second direction D2. This structure can also realize the ball of multiple spot falling simultaneously.
In another embodiment of the present application, please refer to fig. 3(a), the first direction D1 is a Y-axis direction, the second direction D2 is an X-axis direction, and the third direction D3 is a Z-axis direction. The number of the first guide rail 30, the second guide rail 40 and the third guide rail 50 is two, one and one in sequence. Referring to fig. 3(b), the first direction D1 is the Y-axis direction, the second direction D2 is the Z-axis direction, and the third direction D3 is the X-axis direction. The number of the first guide rail 30, the second guide rail 40 and the third guide rail 50 is two, two or one in sequence. Referring to fig. 3(c), the first direction D1 is the Y-axis direction, the second direction D2 is the Z-axis direction, and the third direction D3 is the X-axis direction. The number of the first guide rail 30, the second guide rail 40, and the third guide rail 50 is one.
In the present embodiment, as shown in fig. 4(a) and 4(b), the ball drop release mechanism 60 includes at least one ball drop hole 61 provided at intervals on the third rail 50 and a plurality of ball drop release switches 62 corresponding to the ball drop holes. The ball drop hole 61 is a through hole formed on the third rail 50. The diameter of the through hole is larger than the diameter of the drop ball 20 for the drop ball 20 to pass through. The ball drop release switch 62 matches the shape of the ball drop hole 61. As shown in fig. 4(a), when the ball drop release mechanism 60 does not release the ball drop 20, the ball drop release switch 62 is turned off to cover the ball drop hole 61, so that the ball drop 20 cannot drop from the ball drop hole 61. As shown in fig. 4(b), when the ball drop release mechanism 60 releases the ball drop 20, the ball drop release switch 62 is turned on to expose the ball drop hole 61, and the ball drop 20 is dropped from the ball drop hole 61.
It is to be understood that in other embodiments of the present application, the structure of the drop ball release mechanism 60 is not limited, and any structure for releasing the drop ball at the predetermined position may be adopted as the drop ball release mechanism 60 of the present application. For example, in another embodiment of the present application, the falling ball releasing mechanism 60 may include a sliding portion for sliding along the third guide rail 50 and a falling ball releasing portion fixed to the sliding portion for moving with the sliding portion, and the falling ball releasing portion may carry the falling ball 20 and release the falling ball 20 when the sliding portion slides to a predetermined position. The falling ball releasing portion may be, for example, a structure in which the falling ball 20 is attracted by a magnetic force or the falling ball 20 is held by a frictional force.
The display panel testing apparatus 100 further includes an inflatable cushion 70 disposed on the base. The inflatable cushion 70 is used to simulate the backlight of a liquid crystal panel. The cushion 70 is inflated to simulate the cushioning effect of a backlight. Referring to fig. 5, at least one height-adjustable stem 71 is disposed in the inflatable cushion 70. A plurality 71 is distributed at various locations within the inflatable cushion 70. When the design of the PIN ejection of different clients needs to be simulated, the ejector rods at the corresponding positions can be supported, and the PIN ejection effect is simulated.
The display panel testing apparatus 100 further includes a ball-falling collecting groove 80 disposed on the base. A ball drop collection trough 80 may be provided around the inflatable cushion 70. The ball drop collecting groove 80 has a ball drop collecting port 81. The falling ball collecting groove 80 includes an inclined surface inclined toward the falling ball collecting port 81. In one embodiment, the ball drop collection trough 80 is disposed in an annular shape around the inflatable cushion 70. Referring to fig. 6, fig. 6 shows a partial structure of the ball dropping collecting groove 80. The ball collection trough 80 has a highest point 82 and the ball collection trough 80 includes an inclined surface that slopes from the highest point 82 towards the ball collection port 81. In another embodiment, four ball drop collection troughs 80 are provided around the four sides of inflatable cushion 70. Each of the falling ball collecting grooves 80 includes a falling ball collecting port 81 and a sloped surface inclined toward the falling ball collecting port 81.
The display panel testing apparatus 100 further includes a ball drop transport mechanism 90. The falling ball transporting mechanism 90 includes a falling ball transporting rail 91 and a falling ball transporting part 92. The falling ball transporting rail 91 has one end connected to the falling ball collecting port 82 and the other end connected to the third guide rail 50. The falling ball transporting section 92 can transport the falling ball 20 from the falling ball collecting port 82 to the third guide rail 50 along the falling ball transporting rail 91. The present application does not limit the position of the structure of the falling ball transporting part 92. The falling ball transporting part 92 may be provided in the falling ball transporting rail 91 or may be provided outside the falling ball transporting rail 91. The falling ball transporting part 92 may be provided at one end of the falling ball transporting rail 91, or may be provided along the entire falling ball transporting rail 91, for example, a conveyor belt. For example, the drop ball transport 92 may include a mover and a drop ball pick and place. The drop ball pick-and-place member is used to grab and release the drop balls 20. The moving member is used for transporting the falling ball 20. The ball drop taking and placing part can be an electromagnet or a mechanical claw, for example. The moving member may be driven by a motor to move, or may be a compression spring, which stores force when compressed and ejects the falling ball 20 to the third guide rail 50 when released. Further, the third guide rail 50 is provided with an opening portion through which a ball is input.
It is understood that the display panel testing apparatus 100 may further include a plurality of driving mechanisms for driving the second rail 40 to move along the first rail 30, driving the third rail 50 to move along the second rail 40, and the like. A plurality of drive mechanisms are also used to drive the drop ball release mechanism 60 and the drop ball transport mechanism 90. The display panel testing apparatus 100 may further include a control mechanism for controlling a series of actions such as moving the guide rail, releasing the dropped balls, collecting and transporting the dropped balls, and the like.
Compared with the prior art, the display panel testing device can replace manual operation through machine operation and can perform multi-point operation. The utility model provides an inflatable packer can simulate backlight unit's buffering, and the ejector PIN in the inflatable packer can simulate different top PIN designs. In addition, the display panel testing arrangement of this application can also automatic collection drop ball and release on transporting the guide rail with drop ball.
The foregoing provides a detailed description of embodiments of the present application, and the principles and embodiments of the present application have been described herein using specific examples, which are presented solely to aid in the understanding of the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A display panel testing apparatus, comprising:
the base is used for placing a display panel to be tested;
dropping the ball;
the first guide rail is arranged on the base and extends along a first direction;
the second guide rail is arranged on the first guide rail and extends along a second direction, and the second guide rail is used for moving along the first guide rail in the first direction;
a third rail disposed on the second rail and extending in a third direction, the third rail being configured to move in the second direction along the second rail; and
and the falling ball releasing mechanism is arranged on the third guide rail and used for releasing the falling balls at the preset position in the third direction.
2. The display panel testing apparatus of claim 1, wherein the chassis has a placement surface for placing the display panel to be tested, the first direction is a direction perpendicular to the placement surface, and the second direction is perpendicular to the third direction and parallel to the placement surface.
3. The display panel testing apparatus of claim 2, wherein the display panel testing apparatus comprises two sets of the first guide rails disposed oppositely, two sets of the second guide rails disposed oppositely, and a set of the third guide rails.
4. The apparatus according to claim 3, wherein each of the sets of the first guide rails includes two or more first guide rails spaced apart from each other along the second direction, each of the sets of the second guide rails is disposed on one of the sets of the first guide rails, each of the sets of the second guide rails includes one or more of the second guide rails, the one of the sets of the third guide rails is disposed between two of the sets of the second guide rails, and the one of the sets of the third guide rails includes one or more of the third guide rails.
5. The display panel testing apparatus of claim 4, wherein each set of the third guide rails includes a plurality of the third guide rails spaced apart along the second direction, the display panel testing apparatus further including a plurality of drop balls and a plurality of drop ball release mechanisms.
6. The display panel testing apparatus of claim 1, wherein the ball drop releasing mechanism includes at least one ball drop hole and ball drop releasing switches corresponding to the ball drop hole in a one-to-one manner, the ball drop hole being a through hole formed in the third guide rail, the ball drop releasing switches covering the ball drop hole when the ball drop releasing mechanism does not release a ball drop, and the ball drop releasing switches exposing the ball drop hole when the ball drop releasing mechanism releases a ball drop.
7. The display panel testing apparatus of claim 1, wherein the display panel testing apparatus comprises an inflatable cushion disposed on a base.
8. The apparatus of claim 6, further comprising a ball drop collection groove disposed on the base, the ball drop collection groove being disposed around the inflatable cushion, the ball drop collection groove having a ball drop collection port, the ball drop collection groove including an inclined surface inclined toward the ball drop collection port.
9. The display panel testing apparatus of claim 8, wherein the ball collecting groove is disposed in a ring shape around the inflatable cushion, the ball collecting groove having a highest point, the ball collecting groove including an inclined surface inclined from the highest point toward the ball collecting port.
10. The display panel testing apparatus of claim 8, wherein the display panel testing apparatus comprises a ball drop transportation mechanism, the ball drop transportation mechanism comprises a ball drop transportation rail and a ball drop transportation portion, the ball drop transportation rail is connected to the ball drop collection port at one end, and is connected to the third guide rail at the other end, and the ball drop transportation portion is configured to transport the ball drop from the ball drop collection port to the third guide rail along the ball drop transportation rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010347272.4A CN111413814B (en) | 2020-04-28 | 2020-04-28 | Display panel testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010347272.4A CN111413814B (en) | 2020-04-28 | 2020-04-28 | Display panel testing device |
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| Publication Number | Publication Date |
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| CN111413814A true CN111413814A (en) | 2020-07-14 |
| CN111413814B CN111413814B (en) | 2023-06-27 |
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| CN202010347272.4A Active CN111413814B (en) | 2020-04-28 | 2020-04-28 | Display panel testing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116952705A (en) * | 2023-09-19 | 2023-10-27 | 中铁十七局集团第五工程有限公司 | Structural bionic basalt fiber reinforced composite material impact resistance detection device |
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|---|---|
| CN111413814B (en) | 2023-06-27 |
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