CN218916777U - Display screen test system - Google Patents
Display screen test system Download PDFInfo
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- CN218916777U CN218916777U CN202222434862.8U CN202222434862U CN218916777U CN 218916777 U CN218916777 U CN 218916777U CN 202222434862 U CN202222434862 U CN 202222434862U CN 218916777 U CN218916777 U CN 218916777U
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- display screen
- testing system
- support
- optical sensor
- supporting table
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Abstract
The application relates to a display screen test system. The display screen testing system comprises a supporting table, a pressing device, an optical sensor and a processing device. The supporting table is provided with a supporting top surface which is positioned at the top and used for bearing the display screen, and the supporting table is provided with a containing space positioned at least in the middle; the pressing device can move to the upper part of the supporting table and is used for pressing a display screen positioned on the supporting table; the optical sensor is positioned in the accommodating space and used for acquiring optical data of the display screen when the display screen is tested; the processing device is used for determining whether the display screen has an impression according to the optical data. According to the display screen testing system, the optical sensor is arranged in the middle of the supporting table, so that optical data of the display screen can be obtained in real time, whether the display screen has imprinting or not is determined according to the optical data through the processing device, the accuracy of imprinting judgment is improved, and the accuracy of testing the anti-extrusion capacity of the back of the display screen is improved.
Description
Technical Field
The application relates to the technical field of display, in particular to a display screen testing system.
Background
In the test of the extrusion resistance of the back of the flexible display screen, the display screen is usually subjected to a point pressure test before the assembly of the display screen monomers, so that the continuous extrusion force of the back structure of the display screen on the display screen in the whole machine state is simulated, and whether the display screen is qualified is determined by judging whether the front of the display screen is subjected to visible embossing (also called top embossing). In the related art, the back of the display screen monomer is upwards placed on a horizontal bearing table, the screen is pressed by a pressing device (also called a pressure head) above the display screen, the extrusion of the display screen by a back structure of the display screen (such as a middle frame of a mobile phone) is simulated, and after the pressing device presses the display screen for a certain period of time, the display screen is taken down to observe whether top printing exists on the front of the display screen, so that the extrusion resistance of the display screen monomer is judged. However, in such a test scheme, the display screen top print is judged by human eyes, which easily causes judgment difference due to personnel and environmental differences, and the top print may disappear when the top print is taken down for observation at a slight place, thereby affecting judgment of the anti-extrusion capability of the back surface of the display screen.
Disclosure of Invention
The application provides a display screen test system to in the test of the anti extrusion ability in flexible display screen back, the inaccurate problem of display screen back anti extrusion ability judgement is solved.
The application provides a display screen test system, include:
the supporting table is provided with a supporting top surface which is positioned at the top and used for bearing the display screen, and the supporting table is provided with a containing space positioned at least in the middle;
the pressing device can move to the upper part of the supporting table and is used for pressing a display screen positioned on the supporting table;
the optical sensor is positioned in the accommodating space and used for acquiring optical data of the display screen when the display screen is tested;
and the processing device is used for determining whether the display screen has embossing or not according to the optical data.
In some embodiments, the display screen testing system includes a carrier having a flat first surface, the support table being located on the first surface of the carrier.
In some embodiments, the supporting table has a supporting bottom surface facing away from the supporting top surface, the accommodating space penetrates through the supporting top surface and the supporting bottom surface, the supporting bottom surface faces the carrying table, and the optical sensor is arranged on the carrying table.
In some embodiments, the optical sensor is located in a middle region of the bottom of the accommodating space.
In some embodiments, the support stand is a ring-shaped structure that fits with the display screen.
In some embodiments, the support table has a closed loop configuration in cross-section.
In some embodiments, the support table is of non-closed loop configuration in cross-section.
In some embodiments, the display screen testing system further comprises a control device electrically connected with the pressing device for controlling movement of the pressing device and spot pressing of the display screen on the support table.
In some embodiments, the control device is further electrically connected to the optical sensor, and is capable of controlling the optical sensor to acquire optical data of the display screen when the display screen is tested.
In some embodiments, the control device is configured to: and controlling the optical sensor to acquire optical data of the display screen after the pressing device presses the display screen for a preset time.
According to the display screen testing system, the optical sensor is arranged in the middle of the supporting table, so that optical data of the display screen can be obtained in real time, whether the display screen has imprinting or not is determined according to the optical data through the processing device, the accuracy of imprinting judgment is improved, and the accuracy of testing the anti-extrusion capacity of the back of the display screen is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the related art, the drawings that are required to be used in the embodiments or the related technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to the drawings without inventive effort for a person having ordinary skill in the art.
FIG. 1 is a partial cross-sectional view of a display screen testing system shown in accordance with an exemplary embodiment;
FIG. 2 is a partial structural top view of a display screen testing system shown in accordance with an exemplary embodiment;
fig. 3 is a test schematic diagram of a display test using the display test system of fig. 1.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It will be appreciated that, depending on the context, the word "if" as used herein may be interpreted as "at … …" or "at … …" or "in response to a determination".
The application provides a display screen test system. The display screen testing system comprises a supporting table, a pressing device, an optical sensor and a processing device. The supporting table is provided with a supporting top surface which is positioned at the top and used for bearing the display screen, and the supporting table is provided with a containing space positioned at least in the middle; the pressing device can move to the upper part of the supporting table and is used for pressing a display screen positioned on the supporting table; the optical sensor is positioned in the accommodating space and used for acquiring optical data of the display screen when the display screen is tested; the processing device is used for determining whether the display screen has an impression according to the optical data. According to the display screen testing system, the optical sensor is arranged in the middle of the supporting table, so that optical data of the display screen can be obtained in real time, whether the display screen has imprinting or not is determined according to the optical data through the processing device, the accuracy of imprinting judgment is improved, and the accuracy of testing the anti-extrusion capacity of the back of the display screen is improved.
The display screen testing system can be used for testing the back surface anti-extrusion capability of the flexible display screen. For example, the method is used for testing the back surface extrusion resistance of an Active Matrix Organic Light Emitting Diode (AMOLED) display screen.
The display testing system provided in the present application will be described in detail with reference to fig. 1 to 3.
Referring to fig. 1, and as necessary in conjunction with fig. 2 and 3, the display testing system 100 includes a support table 10, a pressing device 20, an optical sensor 30, and a processing device (not shown). The support table 10 has a support top surface 11 at the top for carrying the display screen 200, said support table 10 having an accommodation space 101 at least in the middle.
The pressing device 20 can move to the upper part of the supporting table 10, and is used for pressing the display screen on the supporting table 10.
The pressing device 20 may also be called a pressing head, and the bottom surface thereof is a flat surface with a predetermined area, and is in contact with the display screen 200 to be pressed. Alternatively, the pressing device 20 may be a metal pressing head formed of a metal material.
The pressing device 20 may be provided to be movable in any direction. The display testing system 100 may further comprise a driving device (not shown) for driving the pressing device 20 to move. When the display screen testing system 100 is in operation, the driving device can drive the pressing device 20 to move along a preset direction or along a preset path.
The optical sensor 30 is located in the accommodating space 101, and is configured to acquire optical data of the display screen when the display screen is tested.
The optical sensor 30 may be a photodiode, or may be another optical sensor. The optical sensor may be a transmissive sensor or a reflective sensor.
The optical sensor 30 is operable to obtain light transmitted from or reflected by the display screen and to convert the light signal into an electrical signal under the effect of the light. The optical data referred to herein may be understood as testing the corresponding electrical signal.
The processing device is used for determining whether the display screen has an impression according to the optical data. The processing means here may be a processor. The processing device can determine whether the corresponding area of the screen has the impression by processing the electric signals acquired by the optical sensor 30.
Typically, the light transmitted from or reflected by the display screen with the embossed sites is different from the light transmitted from or reflected by other areas of the display screen, and the resulting electrical signals are different. The processor can correspondingly calculate the electric signals of different areas and judge whether the imprinting exists or not.
Referring to fig. 3, a display screen 200 has a screen body 201 and a cover (e.g., glass cover) 202 disposed on one side of the screen body 201. When the display screen 200 is tested, the screen body 201 of the display screen 200 faces upwards, and the cover plate 202 is placed towards the supporting table 10.
Here, the display screen 200 may be a flexible display screen, such as an AMOLED display screen, which may be a display screen of an electronic device such as a mobile phone, a tablet computer, or the like.
In some embodiments, the display testing system includes a stage 40, the stage 40 having a flat first surface 41, the support stage 10 being located on the first surface 41 of the stage 40.
The carrier 40 may be a metal table with a planar first surface 41.
Here the support table 10 and the carrying table 40 are two relatively independent devices. In other embodiments, support table 10 and carrier table 40 may be integrated.
In some embodiments, the support table 10 has a support bottom surface facing away from the support top surface 11, and the accommodating space 101 penetrates through the support top surface 11 and the support bottom surface, and the support bottom surface is disposed toward the bearing table 40. That is, the support bottom surface of the support table 10 is connected to the first surface 41 of the carrying table 40.
The optical sensor 30 is located at the bottom of the accommodating space and is disposed on the carrying platform 40.
The top surface 11 and the bottom surface of the support table 10 are both flat.
In some embodiments, the optical sensor 30 is located in a middle region of the bottom of the accommodating space.
In some embodiments, the support stand 10 is a ring-shaped structure that fits into a display screen.
The support stand 10 is adapted to the display screen, which can be understood that the support stand 10 is adapted to the shape, the size, etc. of the display screen, so as to better simulate the extrusion force applied by the display screen in the working state.
For example, for the shape of the support stand 10 and the display screen to be adapted, as shown in fig. 2, the peripheral outline of the support stand 10 may be rectangular for the display screen.
Of course, for other shapes of display screen, the peripheral outline of the support table may also be correspondingly shaped.
The support table 10, which is sized for both the support table 10 and the display screen, may coincide with a partial area of the display screen 200 near the edge. Such as shown in fig. 3, the support stand 10 may have a peripheral dimension substantially the same as the edge of the display screen 200. The support stand 10 may support a predetermined width inside the edge of the display screen 200.
Taking the display screen as the display screen of the mobile phone as an example, the supporting table 10 can be set according to the middle frame structure corresponding to the mobile phone, so as to better simulate the extrusion force of the display screen under the working state.
In some embodiments, the support table 10 is a closed loop configuration in cross-section. For example, the support table 10 may have a cross-section in the form of a closed rectangular ring-like structure as shown in FIG. 2.
In other embodiments, the support table has a non-closed loop configuration in cross-section. For example, the support table may be formed by arranging a plurality of support columns (or support walls) having the same height at predetermined positions.
The formation of the support table, whether it is closed, and the like are not particularly limited in this application.
In some embodiments, the display screen testing system further comprises a control device (not shown). The control device is electrically connected with the pressing device 20, and is used for controlling the movement of the pressing device 20 and performing point pressing or pressing on the display screen positioned on the supporting table 10.
For the pressing means 20 driven by the driving means, the control means may be connected to the driving means, and the pressing means 20 may be controlled to move or perform a spot pressing or pressing operation by controlling the movement of the driving means.
In addition, it should be noted that the pressing force of the pressing device 20 may be set according to the specific situation and controlled by the control device.
In some embodiments, the control device is further electrically connected to the optical sensor 30, and is capable of controlling the optical sensor 30 to acquire optical data of the display screen when the display screen is tested.
In some embodiments, the control device is configured to: and controlling the optical sensor 30 to acquire the optical data of the display screen after the pressing device 20 presses the display screen for a preset time.
In view of the fact that the display screen is generally pressed for a certain period of time (e.g. 1S, 2S), the control device may be configured to control the optical sensor 30 to start to acquire the optical data of the display screen after the pressing device 20 presses the display screen for a preset period of time (e.g. 1S, 2S).
Furthermore, the control device may be further configured to: and controlling the optical sensor 30 to acquire optical data of the display screen continuously or at intervals for a preset time period.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It is to be understood that the present application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. A display screen testing system, comprising:
the supporting table is provided with a supporting top surface which is positioned at the top and used for bearing the display screen, and the supporting table is provided with a containing space positioned at least in the middle;
the pressing device can move to the upper part of the supporting table and is used for pressing a display screen positioned on the supporting table;
the optical sensor is positioned in the accommodating space and used for acquiring optical data of the display screen when the display screen is tested;
and the processing device is used for determining whether the display screen has embossing or not according to the optical data.
2. The display testing system of claim 1, wherein the display testing system comprises a carrier having a flat first surface, the support being located on the first surface of the carrier.
3. The display screen testing system of claim 2, wherein the support table has a support bottom surface facing away from the support top surface, the receiving space extends through the support top surface and the support bottom surface, the support bottom surface faces the carrier table, and the optical sensor is disposed on the carrier table.
4. The display screen testing system of claim 3, wherein the optical sensor is located in a middle region of the bottom of the receiving space.
5. The display screen testing system of claim 3, wherein the support table is a ring-shaped structure adapted to a display screen.
6. The display screen testing system of claim 5, wherein the cross section of the support table is a closed loop structure.
7. The display screen testing system of claim 5, wherein the cross section of the support table is a non-closed loop structure.
8. The display screen testing system of claim 1, further comprising a control device electrically connected to the pressing device for controlling movement of the pressing device and spot pressing of the display screen positioned on the support table.
9. The display screen testing system of claim 8, wherein the control device is further electrically coupled to the optical sensor and is capable of controlling the optical sensor to acquire optical data of the display screen while the display screen is being tested.
10. The display screen testing system of claim 9, wherein the control device is configured to: and controlling the optical sensor to acquire optical data of the display screen after the pressing device presses the display screen for a preset time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222434862.8U CN218916777U (en) | 2022-09-14 | 2022-09-14 | Display screen test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222434862.8U CN218916777U (en) | 2022-09-14 | 2022-09-14 | Display screen test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218916777U true CN218916777U (en) | 2023-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222434862.8U Active CN218916777U (en) | 2022-09-14 | 2022-09-14 | Display screen test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218916777U (en) |
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- 2022-09-14 CN CN202222434862.8U patent/CN218916777U/en active Active
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