CN217085110U - Display screen aging testing equipment - Google Patents
Display screen aging testing equipment Download PDFInfo
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- CN217085110U CN217085110U CN202122031854.4U CN202122031854U CN217085110U CN 217085110 U CN217085110 U CN 217085110U CN 202122031854 U CN202122031854 U CN 202122031854U CN 217085110 U CN217085110 U CN 217085110U
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Abstract
The utility model relates to the technical field of micro display, in particular to a display screen aging test device, which comprises a frame body, a test part and a control area; the testing part is provided with at least two testing units; the control area is provided with a main control unit and a user interface, and the main control unit is provided with a constant current module and a constant voltage module; the at least two test units are respectively and electrically connected with the main control unit, and the main control unit is suitable for enabling the constant voltage module and the constant current module to be alternatively conducted with the corresponding test units during operation.
Description
Technical Field
The utility model relates to a miniature demonstration technical field especially relates to a display screen aging testing equipment.
Background
The silicon-based micro display panel is a data driving circuit, a scan driving circuit, a pixel driving circuit, etc. of the organic light emitting display panel formed on a wafer substrate, and then an organic light emitting display device is formed on the wafer substrate formed with the circuits, which has a higher integration level than the organic light emitting display panel formed on a glass substrate, and can provide a higher resolution and a smaller pixel size, and is very suitable for the micro display field such as various head-mounted display devices. Before the display panel leaves a factory, an aging test device is generally required to be adopted to detect the display panel so as to find the defects of the display panel, so that the shipment quality is improved, and common test methods include a constant voltage test, a constant current test and a BIST test. The testing device in the prior art cannot meet various testing requirements such as constant voltage testing or constant current testing and the like at the same time, can only carry out one-to-one testing on the display panel, is inconvenient to operate and cannot carry out batch aging.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art not enough, and provide a display screen aging testing equipment.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a display screen aging test device comprises a frame body, a test part and a control area; the testing part is provided with at least two testing units; the control area is provided with a main control unit and a user interface, and the main control unit is provided with a constant current module and a constant voltage module; the at least two test units are respectively and electrically connected with the main control unit, and the main control unit is suitable for enabling the constant voltage module and the constant current module to be alternatively conducted with the corresponding test units during operation.
Preferably, the user interface has at least two of a constant current test operation means, a constant voltage test operation means and a BIST test operation means.
Preferably, the test section has an extension circuit board extending to below the at least two test units for extending the number of the test units.
Preferably, the test unit has an adapter plate for positioning a product to be tested.
Preferably, a transfer positioning block is arranged between the transfer plates of the adjacent test units.
Preferably, the constant current module is arranged below the test unit.
Preferably, the number of the test units is 10, and all the test units are arranged in a 2X5 two-dimensional array manner.
Preferably, the bottom of the frame body is provided with a supporting device.
Preferably, the main control unit further comprises a monitoring module to prevent overvoltage or overcurrent.
Preferably, the main control unit has an erasable memory unit for replacing the test program.
Owing to adopted above technical scheme, the utility model discloses following beneficial effect has:
1. the utility model discloses be provided with the main control unit, the main control unit has constant current module and constant voltage module, can carry out constant current test and constant voltage test to the display screen respectively, the utility model discloses still have BIST test operating means and carry out the BIST test, can satisfy multiple test requirement simultaneously.
2. The utility model discloses be provided with a plurality of keysets, can test a plurality of display screens simultaneously, improve efficiency of software testing, reduce ageing equipment quantity and maintenance cost.
3. The utility model discloses use main control unit and user interface to set up, have good human-computer interface, improved user's use and experienced.
Drawings
In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the drawings of the embodiments will be briefly described below, and it is obvious that the drawings in the following description only relate to some embodiments of the present invention, and are not intended to limit the present invention.
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic partial structural view of a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of another angle according to an embodiment of the present invention.
Reference numerals:
1. a frame body; 11. a support device; 2. a test section; 21. an extension circuit board; 22. an adapter plate; 23. transferring a positioning block; 3. a control area; 31. a main control unit; 311. a constant current module; 32. a user interface.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used only to indicate relative positional relationships that may change when the absolute position of an object being described changes, and are merely for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.
The first embodiment is as follows:
referring to fig. 1 and 2, the present invention provides a display screen aging test apparatus, which includes a frame 1, a test portion 2 and a control area 3; the test section 2 is provided with at least two test units; the control area 3 is provided with a main control unit 31 and a user interface 32, wherein the main control unit 31 is provided with a constant current module 311 and a constant voltage module; wherein, at least two test units are electrically connected with the main control unit 31 respectively, and the main control unit 31 is adapted to make the constant voltage module and the constant current module 311 alternatively conduct with the corresponding test units during operation.
In this embodiment, the frame 1 has a rectangular structure, 10 test units are fixedly disposed on the frame 1 for testing the display screen, and all the test units are arranged in a 2X5 two-dimensional array manner. In another embodiment, the number of test cells may be 6, 8, etc. The main control unit 31 has constant current module 311 and constant voltage module, can carry out constant current test and constant voltage test to the display screen respectively, so the utility model discloses can satisfy multiple ageing condition requirement simultaneously. When the constant current test is performed, the constant current module 311 is conducted with the display screen and outputs a constant current to light the display screen; the display screen needs multiple paths of voltages when being lightened, and the constant voltage module provides all constant voltages needed by lightening for the display screen when a constant voltage test is carried out.
The user interface 32 has at least two of a constant current test operation device, a constant voltage test operation device, and a BIST test operation device. BIST is a technique for implanting a relevant functional circuit in a circuit at the time of design for providing a self-test function, and when performing the test, BIST can provide a partial voltage required for lighting a device under test and make the device under test generate another partial voltage required. In this embodiment, user interface 32 has constant current test operating means, constant voltage test operating means and BIST test operating means, the utility model discloses can provide three kinds of test patterns, convenient operation for the display screen.
The test section 2 has an extension circuit board 21 extending below at least two test units for extending the number of test units. The expansion circuit board 21 is fixedly disposed on the frame 1, and is a main supporting portion of the whole device, specifically, a metal plate is fixed outside the expansion circuit board to achieve a supporting effect.
Further, the test unit has an adapter plate 22 for positioning the product to be tested. In this embodiment, be provided with 10 keysets 22 on the extension circuit board 21, keysets 22 can both place a display screen according to the pin definition and the product size design of different products above every keysets 22, so the utility model discloses can a plurality of display screens of concurrent test, improve efficiency of software testing, reduce ageing equipment quantity and maintenance cost, keysets 22 can connect main control unit 31 and tested, and keysets 22 can also support the display screen, and the display screen is kept flat on keysets 22 when carrying out aging testing.
The constant current module 311 is disposed below the test unit, and specifically, the constant current module 311 is disposed below each of the adapter boards 22 to provide a constant current test signal to each of the display screens to be tested.
A switching positioning block 23 is arranged between the switching plates 22 of the adjacent test units, so that the switching plates 22 are prevented from deviating to influence the test effect during testing.
Specifically, a connector is disposed on the adapter board 22 to connect with the display screen, so as to connect the display screen and the expansion circuit board 21.
The bottom of the frame body 1 is provided with a supporting device 11, specifically, the supporting device 11 is an inclined block used for keeping the inclined state, so that the stable placement of the testing device can be ensured, the testing device is in an inclined state, and an operator can conveniently replace a tested piece and observe the state of the tested piece.
Referring to fig. 3, in the present embodiment, the bottom of the frame 1 is provided with 3 supporting devices 11
The main control unit 31 further includes a monitoring module to prevent overvoltage or overcurrent, and the monitoring module can cut off the circuit board when detecting that the voltage and the current are too high, so as to avoid the display screen from being burnt.
The main control unit 31 is a touch screen, and the touch screen can display test data. In the present embodiment, the touch screen can be used to update the product test program, set and display the test information and display the current test voltage and current values, and further, the main control unit 31 has an erasable memory unit for replacing the test program.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A display screen aging test device comprises a frame body, a test part and a control area; it is characterized in that the preparation method is characterized in that,
the testing part is provided with at least two testing units;
the control area is provided with a main control unit and a user interface, and the main control unit is provided with a constant current module and a constant voltage module;
the at least two test units are respectively and electrically connected with the main control unit, and the main control unit is suitable for enabling the constant voltage module and the constant current module to be alternatively conducted with the corresponding test units during operation.
2. The display screen burn-in apparatus of claim 1, wherein the user interface has at least two of a constant current test operation means, a constant voltage test operation means, and a BIST test operation means.
3. The display screen burn-in apparatus of claim 1, wherein the test section has an extension circuit board extending below at least two test units for extending the number of test units.
4. The display screen degradation testing apparatus of claim 1, wherein the testing unit has an adapter plate for positioning a product to be tested.
5. The display screen aging testing apparatus of claim 4, wherein a transfer positioning block is arranged between the transfer plates of adjacent testing units.
6. The display screen aging test device according to claim 1, wherein the constant current module is disposed below the test unit.
7. The display screen aging test apparatus of claim 1, wherein the number of the test units is 10, and all the test units are arranged in a 2X5 two-dimensional array.
8. The display screen degradation testing apparatus of claim 1, wherein the frame bottom has a support device.
9. The display screen aging test device of claim 1, wherein the main control unit further comprises a monitoring module to prevent overvoltage or overcurrent.
10. The display screen aging test device of claim 1, wherein the master control unit has an erasable memory unit for replacing test programs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122031854.4U CN217085110U (en) | 2021-08-26 | 2021-08-26 | Display screen aging testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122031854.4U CN217085110U (en) | 2021-08-26 | 2021-08-26 | Display screen aging testing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217085110U true CN217085110U (en) | 2022-07-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122031854.4U Active CN217085110U (en) | 2021-08-26 | 2021-08-26 | Display screen aging testing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217085110U (en) |
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2021
- 2021-08-26 CN CN202122031854.4U patent/CN217085110U/en active Active
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