Screen assembly test fixture

Abstract

The utility model provides a screen assembly test fixture, which comprises a base provided with a supporting part used for bearing a screen assembly, and the supporting part is provided with a convex block; the pressing piece is used for covering the base, so that the screen assembly is clamped between the base and the pressing piece; the press-fit piece is provided with an observation window, the observation window penetrates through the press-fit piece in the thickness direction of the press-fit piece, the observation window and the supporting part are oppositely arranged in the thickness direction of the press-fit piece, and the position of the protruding block corresponds to the position of the observation window. Through the arrangement, pressure can be applied to the first side of the screen assembly through the convex block, whether a mark is generated at the position, corresponding to the convex block, of the screen assembly or not is observed through the observation window on the second side of the screen assembly, real-time observation is achieved in the top printing test process, and the accuracy of the top printing test is greatly improved.

Description

Technical Field

[0001] This application relates to the field of production testing tools, and in particular to a screen component testing fixture. Background Technology

[0002] For electronic devices with flexible displays, top-mounted printing is a common problem. The film layers of a flexible screen deform in the thickness direction, creating a textured appearance at wide viewing angles; this textured appearance, visible to the human eye, is top-mounted printing.

[0003] In existing technologies, a pressure testing machine is typically used to apply pressure to the screen for a period of time, causing the screen to deform to a certain extent. The screen is then removed, and the top imprint is observed immediately. However, this testing method has a drawback: from the moment the pressure is released, the imprint begins to recover, and as the observation time increases, the imprint gradually diminishes, affecting the accuracy of the top imprint test. Utility Model Content

[0004] In view of this, this application provides a screen component testing fixture that can observe the imprint on the screen in real time, thereby improving the accuracy of top imprint testing.

[0005] Specifically, the following technical solutions are included:

[0006] This application provides a screen component testing fixture, the screen component testing fixture comprising:

[0007] The base has a support portion for supporting the screen assembly, and the support portion is provided with protrusions;

[0008] A pressing member is used to cover the base so that the screen assembly is clamped between the base and the pressing member; the pressing member has an observation window that extends through the pressing member along the thickness direction, and the observation window and the support portion are arranged opposite to each other along the thickness direction of the pressing member, and the position of the protrusion corresponds to the position of the observation window.

[0009] In an optional embodiment, there are multiple bumps, which are spaced apart from each other, and at least two of the bumps have different protrusion heights.

[0010] In an optional embodiment, the protrusion heights of the plurality of protrusions are different.

[0011] In an optional embodiment, the protrusion height of each of the bumps is 0.01 mm to 0.2 mm.

[0012] In an optional embodiment, the plurality of protrusions are evenly distributed in an array within the outline of the orthographic projection of the viewing window onto the plane where the support is located.

[0013] In an optional embodiment, the base is detachably or movably connected to the pressing member, so that the base and the pressing member can be separated or engaged.

[0014] In an optional embodiment, both the base and the pressing member have threaded holes for installing threaded fasteners, and the base and the pressing member are connected by the threaded fasteners.

[0015] In an optional embodiment, the base is further provided with two recesses, which are located on opposite sides of the support.

[0016] In an optional embodiment, the outline of the orthographic projection of the viewing window onto the plane of the support portion lies within the surface of the support portion.

[0017] In an optional embodiment, the base and / or the pressing member are metal.

[0018] The beneficial effects of the technical solution provided in this application embodiment include at least the following: by setting a protrusion in the support part, when the pressing part and the base are pressed together, pressure can be applied to the first side of the screen assembly by using the protrusion; since the pressing part has an observation window and the position of the protrusion corresponds to the position of the observation window, it is possible to observe whether an imprint is generated at the position of the corresponding protrusion on the second side of the screen assembly by using the observation window, so as to realize real-time observation during the top imprint test and greatly improve the accuracy of the top imprint test. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 An exploded view of the screen component testing fixture provided in an embodiment of this application;

[0021] Figure 2 A top view of the screen component testing fixture provided in the embodiments of this application;

[0022] Figure 3 for Figure 2 Sectional view along the middle AA direction;

[0023] Figure 4 This is a schematic diagram illustrating the interaction between the screen component testing fixture and the screen component provided in the embodiments of this application.

[0024] The reference numerals in the figure indicate:

[0025] 1-Screen assembly test fixture; 11-Base; 111-Support; 1111-Protrusion; 112-Slot; 113-Threaded hole; 12-Pressure fitting; 121-Observation window;

[0026] 2-Screen components.

[0027] The accompanying drawings illustrate specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to particular embodiments. Detailed Implementation

[0028] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0029] In the embodiments of this application, directional terms such as "upper," "lower," and "side" are generally used in the following ways: Figure 1 The relative positions shown are based on the given information, and these directional terms are used only to more clearly describe the relationships between structures, not to describe absolute positions. Positions may change when the product is placed in different orientations; for example, "up" and "down" may be interchanged.

[0030] Unless otherwise defined, all technical terms used in the embodiments of this application have the same meaning as commonly understood by one of ordinary skill in the art.

[0031] To make the technical solutions and advantages of this application clearer, the embodiments of this application will be described in further detail below with reference to the accompanying drawings.

[0032] For electronic devices with flexible displays, top-mounted printing is a common problem. The film layers of a flexible screen deform in the thickness direction, creating a textured appearance at wide viewing angles; this textured appearance, visible to the human eye, is top-mounted printing.

[0033] In existing technologies, a pressure testing machine is typically used to apply pressure to the screen for a period of time, causing the screen to deform to a certain extent. The screen is then removed, and the top imprint is observed immediately. However, this testing method has a drawback: from the moment the pressure is released, the imprint begins to recover, and as the observation time increases, the imprint gradually diminishes, affecting the accuracy of the top imprint test.

[0034] To address the aforementioned technical problems, this application provides a screen component testing fixture 1. Using the screen component testing fixture 1 provided in this application embodiment for top imprint testing overcomes the technical problem in the prior art where the imprint is reduced after the force is removed, affecting the accuracy of the test. It enables real-time observation during the testing process, greatly improving the accuracy of the test.

[0035] like Figure 1 As shown, the screen component testing fixture 1 provided in this application embodiment includes a base 11 and a pressing component 12.

[0036] The base 11 is provided with a support portion 111 for supporting the screen assembly 2, and the support portion 111 is provided with a protrusion 1111.

[0037] For example, screen component 2 is a flexible screen such as AMOLED (Active-Matrix Organic Light-Emitting Diode) or OLED (Organic Light-Emitting Diode).

[0038] like Figure 4 As shown, the pressing member 12 is used to cover the base 11 so that the screen assembly 2 is clamped between the base 11 and the pressing member 12. The pressing member 12 has an observation window 121 that extends through the pressing member 12 along its thickness direction, and the observation window 121 and the support part 111 are arranged opposite to each other along the thickness direction of the pressing member 12. The position of the protrusion 1111 corresponds to the position of the observation window 121.

[0039] Specifically, when the pressing parts 12 are engaged, the protrusion 1111 is located within the outline of the orthographic projection of the observation window 121 onto the plane where the support part 111 is located, that is, the protrusion 1111 is exposed in the observation window 121.

[0040] like Figure 1 As shown, the support portion 111 is located in the middle of the base 11, and the protrusion 1111 protrudes outward relative to the upper surface of the support portion 111. The protrusion 1111 is used to apply pressure to the first side of the screen assembly 2. The first side of the screen assembly 2 is one side in the thickness direction of the screen assembly 2, such as the back side of the screen assembly 2.

[0041] The shape of bump 1111 can be cuboid, cylindrical, frustum, etc., for example... Figure 1 As shown, bump 1111 is rectangular in shape.

[0042] The pressing member 12 is used to cover the side of the protrusion 1111 on the base 11. The viewing window 121 is a through hole opened on the pressing member 12. When the screen assembly 2 is clamped between the base 11 and the pressing member 12, the second side of the screen assembly 2 can be observed through the viewing window 121. The second side of the screen assembly 2 is opposite to the first side along the thickness direction of the screen assembly 2. When the first side of the screen assembly 2 is the back side, the second side of the screen assembly 2 is the front side.

[0043] For example, when using the screen assembly test fixture 1, the screen assembly 2 is first placed on the support 111, and then the pressing member 12 is placed on the base 11, so that the screen assembly 2 is clamped between the base 11 and the pressing member 12. As the pressing member 12 and the base 11 gradually close and press together, the protrusion 1111 applies pressure to the first side of the screen assembly 2. Through the observation window 121, it can be observed whether an imprint is generated on the second side of the screen assembly 2, thereby confirming whether the screen assembly 2 will generate an imprint under the deformation amount.

[0044] It should be noted that during testing, the protrusion height of bump 1111 can be regarded as the deformation of the first side of screen assembly 2. It can be understood that the protrusion height of bump 1111 is the outward protrusion height of bump 1111 along the thickness direction of base 11 relative to the side surface of support 111 near press-fit member 12.

[0045] For example, when the protrusion height of bump 1111 is 0.1mm, the deformation of the first side of screen assembly 2 is 0.1mm. If an imprint is observed on the second side of screen assembly 2 through observation window 121, it indicates that the deformation exceeds the tolerance range of screen assembly 2, and the screen assembly 2 will produce an imprint under the action of the deformation. If no imprint is observed on the second side of screen assembly 2 through observation window 121, it indicates that screen assembly 2 can withstand the deformation, and the screen assembly 2 will not produce an imprint under the action of the deformation.

[0046] Unlike the existing technology that applies force to the screen component 2 and then observes the results, the screen component test fixture 1 provided in this application uses the deformation of the first side of the screen component 2 as the test condition to test whether the screen component 2 produces an imprint under the deformation, thus solving the problem in the existing technology that the imprint gradually decreases as the force is released.

[0047] The screen assembly testing fixture 1 provided in this application embodiment, by setting protrusions 1111 on the support part 111, can apply pressure to the first side of the screen assembly 2 when the pressing part 12 and the base 11 are pressed together. Since the pressing part 12 has an observation window 121 and the position of the protrusions 1111 corresponds to the position of the observation window 121, it is possible to observe whether an imprint is generated at the position of the protrusions 1111 on the second side of the screen assembly 2 using the observation window 121. Real-time observation is achieved during the top imprint test, which greatly improves the accuracy of the top imprint test.

[0048] In a further embodiment, there are multiple bumps 1111, which are distributed at intervals, and at least two bumps 1111 have different protrusion heights.

[0049] The number of bumps 1111 can be set according to actual needs, for example... Figure 2 As shown, there are twelve bumps 1111, and the twelve bumps 1111 are distributed alternately.

[0050] In related technologies, when performing a top-print test on the screen component 2 using a pressure testing device, it is necessary to perform multiple tests with different forces to determine the force at which the screen component 2 just makes a mark.

[0051] In this embodiment, by setting at least two bumps 1111 with different protrusion heights, the screen component test fixture 1 can perform tests on multiple deformations simultaneously, reducing the number of tests and improving test efficiency.

[0052] Furthermore, the protrusion heights of the multiple bumps 1111 are all different.

[0053] This setting allows each bump 1111 to correspond to a unique bump height. Multiple bumps 1111 can act simultaneously on the same screen component 2, enabling the minimum deformation that the screen component 2 can withstand to be confirmed at once. This eliminates the need for multiple tests under a single condition, greatly improving testing efficiency.

[0054] For example, the protrusion height of each bump 1111 is 0.01mm to 0.2mm. For instance, the protrusion height of bump 1111 can be 0.01mm, 0.2mm, 0.08mm, 0.18mm, 0.2mm, etc.

[0055] Optionally, the protrusion heights of the multiple bumps 1111 can be set in a certain gradient. For example, the protrusion heights of the multiple bumps 1111 can be set in a gradient of 0.02mm, with protrusion heights of 0.01mm, 0.03mm, 0.05mm, 0.07mm, etc.

[0056] In one embodiment, within the outline of the orthographic projection of the viewing window 121 onto the plane where the support portion 111 is located, a plurality of protrusions 1111 are evenly distributed in an array.

[0057] The distribution of multiple bumps 1111 can be a rectangular array, a circular array, a parallelogram array, etc., for example... Figure 2 As shown, multiple bumps 1111 are arranged in a rectangular array of four rows and three columns, and the distribution is relatively uniform and orderly.

[0058] By setting multiple bumps 1111 evenly distributed, it is convenient to control variables, reduce the mutual influence between adjacent bumps 1111, reduce errors in the testing process, and perform relatively uniform measurement on the test area of ​​screen component 2, thereby improving the reliability of the test.

[0059] In one embodiment, the base 11 and the pressing member 12 are detachably or movably connected so that the base 11 and the pressing member 12 can be separated or engaged.

[0060] This setup facilitates the separation or pressing of the base 11 and the pressing component 12, and makes it easy to replace the screen component 2 to be tested, thereby improving testing efficiency.

[0061] For example, one end of the base 11 along its length is rotatably connected to one end of the pressing member 12 along its length, forming a hinge structure. Alternatively, one end of the base 11 along its width is rotatably connected to one end of the pressing member 12 along its width, forming a hinge structure. Wherein, the length direction of the base 11 and the pressing member 12 is the width direction of the screen assembly 2 in the clamping state, and the width direction of the base 11 and the pressing member 12 is the length direction of the screen assembly 2 in the clamping state.

[0062] In one specific embodiment, both the base 11 and the pressing member 12 have threaded holes 113 for installing threaded fasteners, and the base 11 and the pressing member 12 are connected by threaded fasteners. The threaded fasteners can be fasteners with threads such as bolts, studs, and screws.

[0063] like Figure 1 As shown, the base 11 and the pressing part 12 are respectively provided with four threaded holes 113, and the positions of the threaded holes 113 of the base 11 and the positions of the threaded holes 113 of the pressing part 12 correspond one-to-one.

[0064] In this embodiment, the base 11 and the pressing member 12 are connected by threaded fasteners, which enables quick disassembly and installation and facilitates adjustment of the clamping force between the base 11 and the pressing member 12.

[0065] In one embodiment, the base 11 also has two recesses 112, which are located on opposite sides of the support portion 111. When the screen assembly 2 is a curved screen, the recesses 112 are used to accommodate the curved sides of the screen assembly 2.

[0066] like Figure 3 As shown, two recesses 112 are recessed on the side of the base 11 near the pressing member 12, and the two recesses 112 are distributed at intervals on both sides of the support portion 111 along the length direction of the base 11. When the screen assembly 2 is a curved screen, the two sides of the screen assembly 2 in the width direction have a certain bending angle. By setting the recesses 112, the curved sides of the screen assembly 2 can be effectively accommodated, and deformation of the sides of the screen assembly 2 can be avoided.

[0067] In one embodiment, the outline of the orthographic projection of the viewing window 121 onto the plane of the support portion 111 is located within the surface of the support portion 111.

[0068] like Figure 3 As shown, the two opposite sidewalls of the observation window 121 in the length direction of the pressing part 12 are located inside the two opposite sidewalls of the support part 111 in the length direction of the base 11.

[0069] This arrangement allows the pressing member 12 and the support portion 111 to have a certain overlap area in the thickness direction, thereby clamping the screen assembly 2 between the pressing member 12 and the support portion 111 and ensuring that the screen assembly 2 is stable and does not move.

[0070] In one embodiment, the base 11 and / or the pressing member 12 are metal parts.

[0071] For example, the base 11 and / or the pressing part 12 are made of aluminum alloy, which has the advantages of high strength, light weight and low cost.

[0072] By setting the base 11 and / or the pressing part 12 to be metal parts, the screen assembly test fixture 1 is ensured to have high strength, which is beneficial to improving the durability and service life of the screen assembly test fixture 1.

[0073] In this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The term "multiple" refers to two or more unless otherwise expressly defined.

[0074] Other embodiments of this application will readily occur to those skilled in the art upon consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only.

[0075] It should be understood that this application is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this application is limited only by the appended claims.

Claims

1. A screen assembly test fixture (1) characterized by, The screen assembly test fixture (1) comprises: a base (11) provided with a support portion (111) for carrying a screen assembly (2), the support portion (111) being provided with protrusions (1111); a pressing member (12) for being placed on the base (11) so that the screen assembly (2) is clamped between the base (11) and the pressing member (12); the pressing member (12) is provided with an observation window (121) penetrating the pressing member (12) along the thickness direction of the pressing member (12), and the observation window (121) is oppositely arranged with the support portion (111) along the thickness direction of the pressing member (12), and the positions of the protrusions (1111) correspond to the positions of the observation window (121).

2. The screen assembly test fixture (1) according to claim 1, characterized in that The protrusions (1111) are multiple, and the multiple protrusions (1111) are spaced apart from each other, and the protrusions of at least two of the protrusions (1111) have different heights.

3. The screen assembly test fixture (1) according to claim 2, characterized in that The heights of the multiple protrusions (1111) are different.

4. The screen assembly test fixture (1) according to claim 3, characterized in that The height of each of the protrusions (1111) is 0.01mm-0.2mm.

5. The screen assembly test fixture (1) according to claim 2, characterized in that The multiple protrusions (1111) are evenly distributed in an array within the contour line of the observation window (121) in the orthographic projection on the plane where the support portion (111) is located.

6. The screen assembly test fixture (1) according to claim 1, characterized in that The base (11) and the pressing member (12) are detachably connected or movably connected, so that the base (11) and the pressing member (12) can be separated or closed.

7. The screen assembly test fixture (1) according to claim 6, characterized in that The base (11) and the pressing member (12) are both provided with threaded holes (113) for mounting threaded fasteners, and the base (11) and the pressing member (12) are connected by the threaded fasteners.

8. The screen assembly test fixture (1) according to claim 1, characterized in that, The base (11) is further provided with two sink grooves (112), and the two sink grooves (112) are respectively located on opposite sides of the support portion (111).

9. The screen assembly test fixture (1) according to claim 1, characterized in that The contour line of the orthographic projection of the observation window (121) on the plane where the support portion (111) is located is located within the surface of the support portion (111).

10. The screen assembly test fixture (1) according to claim 1, characterized in that, The base (11) and / or the pressing member (12) are metal members.

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