CN217542971U - Electronic paper display device test system - Google Patents
Electronic paper display device test system Download PDFInfo
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- CN217542971U CN217542971U CN202221159613.6U CN202221159613U CN217542971U CN 217542971 U CN217542971 U CN 217542971U CN 202221159613 U CN202221159613 U CN 202221159613U CN 217542971 U CN217542971 U CN 217542971U
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Abstract
The application provides a test system of an electronic paper display device, which comprises a PC (personal computer), a tester and a temperature control box, wherein electronic paper and a driving adapter plate are arranged in the temperature control box, and the driving adapter plate is electrically connected with the electronic paper; the tester is used for acquiring voltage and current numerical values, voltage and current waveform images and display time of the electronic paper display device; and the PC is electrically connected with the driving adapter plate and the tester. Therefore, the automatic recording of the performance of the electronic paper through the testing instrument is realized, and the efficiency and the accuracy of testing the performance of the electronic paper are improved.
Description
Technical Field
The utility model relates to a technical field of electronic paper especially relates to an electronic paper display device test system.
Background
The electronic paper displays images based on the electrophoretic display principle, wherein the electrophoretic display utilizes colored charged spheres to move in a liquid environment through an external electric field, so that display effects of different colors are presented.
With the continuous promotion of the electronic paper in the display industry, the service life of the electronic paper has strong superiority because the display characteristic is still maintained due to the inherent power failure, but the influence on the service life of the electronic paper is also related to the mode of the driving current of the electronic paper besides the capacity of a battery, and the working current of the electronic paper during the display period is nonlinear, which is greatly different from other display screens. Therefore, in the production of electronic paper products, recording the voltage and current of the test electronic paper is of great significance for evaluating the performance of the electronic paper products.
In the related prior art, on one hand, the test process of the electronic paper product needs manual operation, and the test data needs manual recording and evaluation, so that the test efficiency is low and the time consumption is long; on the other hand, some test systems test colors of different display particles in the electronic paper to judge the display effect of the electronic paper, but the colors of the display particles cannot accurately reflect the performance of the electronic paper, and deviation exists in performance evaluation.
SUMMERY OF THE UTILITY MODEL
In view of at least one of the above technical problems, embodiments of the present application provide a system for testing an electronic paper display device, which can improve the efficiency of testing the electronic paper display device.
In order to achieve the above object, the embodiments of the present application provide the following technical solutions:
the embodiment of the application provides a test system of an electronic paper display device, which comprises a PC (personal computer), a tester and a temperature control box, wherein electronic paper and a driving adapter plate are arranged in the temperature control box, and the driving adapter plate is electrically connected with the electronic paper; the tester is used for acquiring voltage and current values, voltage and current waveform images and display time of the electronic paper display device; the PC is electrically connected with the drive adapter plate and the tester.
The electronic paper display device test system provided by the embodiment of the application comprises a PC (personal computer), wherein the PC is used for sending instructions and reading data signals such as voltage and current of a tester. The electronic paper display device testing system comprises a temperature control box, wherein the temperature control box is used for providing a proper testing environment for an electronic paper device, specifically, a PC sends an instruction to the temperature control box, the temperature control box sets an environmental condition according to the instruction, after the environmental condition is met, the electronic paper display device testing system comprises PC electronic paper and a driving adapter plate, the PC drives the electronic paper through the driving adapter plate, and voltage and current data of the electronic paper are obtained through a tester. Therefore, the automatic recording of the performance of the electronic paper through the testing instrument is realized, and the efficiency and the accuracy of testing the performance of the electronic paper are improved.
In one possible implementation, the tester includes a voltage test channel and a current test pass, the voltage test channel and the current test channel being independently controlled.
Therefore, the test instrument can independently record the voltage and the current of the electronic paper, the voltage and the current do not influence each other, real-time recording is realized, and the performance of the electronic paper can be rapidly and accurately evaluated comprehensively.
In one possible implementation, the voltage test channel is smaller than the voltage signal port to be tested, and the voltage test channel passes through a relay switching test.
Therefore, different electronic paper product models can realize switching batch test through the relay under the condition that the number of voltage test channels in the electronic paper display device test system is not equal to that of voltage ports to be tested in the electronic paper product if the voltage ports to be tested of the electronic paper product are changed.
In one possible implementation, the current test channel is smaller than the current signal port to be tested, and the current test channel is subjected to switching test by the relay.
Therefore, if the current ports to be tested of the electronic paper products are changed in different electronic paper product models, the switching batch test can be realized through the relay under the condition that the number of the current test channels in the electronic paper display device test system is not equal to that of the current ports to be tested in the electronic paper products.
In one possible implementation, the number of voltage test channels is greater than the number of current test channels.
In the application scene of the electronic paper product, most electronic paper products have more voltage ports to be tested in the current electronic paper product. In order to match with the test of the mainstream electronic paper product, the number of the voltage test channels in the electronic paper display device test system is larger than that of the current test channels.
It can be realized that in one of the embodiments, the number of voltage test channels is 3 and the number of current test channels is 1.
Such an arrangement can meet the requirements of some electronic paper products without adding redundant space.
In one possible implementation manner, the driving adapter board comprises a circuit module, and the PC is electrically connected with the electronic paper display device through the circuit module.
In one possible implementation manner, the electronic paper display device includes an EPD chip, where the EPD chip includes at least a first port and a second port, the first port is electrically connected to the voltage test channel, and the second port is electrically connected to the current test channel.
Thus, the EPD is acquired through the circuit module and is assigned by the PC, and then is transmitted to the electronic paper to drive the electronic paper to display. The EPD chip at least comprises two types of ports, and the two types of ports can be respectively matched with the voltage test channel and the current test channel, so that the test efficiency is improved.
In one possible implementation, the drive adapter plate is electrically connected with the temperature control box through a sensor.
Like this, the control by temperature change case passes through the sensor with the signal transmission of PC for the drive keysets, and then instructs the drive keysets to carry out follow-up instruction, and the sensor transmits signal sensitive quick, improvement efficiency that can be further.
In a possible implementation manner, the PC is electrically connected with the driving current through USB protocol communication.
Therefore, the PC sends the designation to the drive adapter plate through the USB and then transmits the designation to the electronic paper to drive the electronic paper to display.
The construction of the present application and other objects and advantages thereof will be more readily understood from the following description of the preferred embodiments taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only schematic drawings of the embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic connection diagram of a test system of an electronic paper display device according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a tester and an interposer in an electronic paper display device testing system according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described below clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments, and based on the embodiments in the present application, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present application.
In the related art, in the testing device of the electronic paper display device, on one hand, manual recording and judgment are required for testing the electronic paper, and on the other hand, color testing is performed on display particles with different colors in the electronic paper, so as to judge the performance of the electronic paper.
Then, on one hand, because of manual recording and judgment, a longer time is consumed, and the efficiency of testing the electronic paper product is lower; on the other hand, tests show that the color of the particles cannot accurately reflect the performance of the electronic paper product.
Based on at least one technical problem, an embodiment of the present application provides a test system for an electronic paper display device, including a PC, a tester, and a temperature control box, where the temperature control box is provided with electronic paper and a driving adapter plate, where the driving adapter plate is electrically connected to the electronic paper; the tester is used for acquiring voltage and current numerical values, voltage and current waveform images and display time of the electronic paper display device; the PC is electrically connected with the drive adapter plate and the tester.
The electronic paper display device testing system provided by the embodiment of the application comprises a PC (personal computer), wherein the PC is used for sending an instruction and reading data signals such as voltage and current of a tester. The electronic paper display device test system comprises a temperature control box, wherein the temperature control box is used for providing a proper test environment for an electronic paper device, specifically, a PC sends an instruction to the temperature control box, the temperature control box sets an environmental condition according to the instruction, after the environmental condition is met, the electronic paper display device test system comprises PC electronic paper and a driving adapter plate, the PC drives the electronic paper through the driving adapter plate, and voltage and current numerical values, voltage and current waveform images of the electronic paper and the display time of the electronic paper display device are obtained through a tester. Therefore, the automatic recording of the performance of the electronic paper by the test instrument is realized, and the efficiency and the accuracy of the performance test of the electronic paper are improved.
The electronic paper display device test system provided by the embodiment of the application will be described below with reference to fig. 1 to 2.
As shown in fig. 1, the electronic paper display device test system comprises a PC 1, a temperature control box 2, and a tester 5, wherein a drive adapter plate 3 and electronic paper 4 are arranged in the temperature control box, and the drive adapter plate 4 is electrically connected with the electronic paper 4; the tester 5 is used for acquiring voltage and current numerical values, voltage and current waveform images and display time of the electronic paper display device; the PC 1 is electrically connected with the drive adapter plate 3 and the tester 5.
Specifically, the temperature control box 2 is electrically connected to the PC 1, and sets a suitable environment according to an instruction of the PC 1 and feeds back a result to the PC 1. When the environment of the temperature control box meets the instruction requirement, the PC 1 is electrically connected to the electronic paper 4 through the driving adapter plate 3 to drive the electronic paper to display, and meanwhile, the specified tester 5 obtains the voltage and current numerical values, voltage and current waveform images and the display time of the electronic paper display device of the electronic paper 4.
Therefore, the automatic recording of the performance of the electronic paper by the testing instrument is realized, and the efficiency and the accuracy of the performance testing of the electronic paper are improved.
The following is a description of the tester 5 provided in the examples of the present application.
As shown in fig. 2, the tester 5 is electrically connected to the driving adapter plate 3, and the driving adapter plate 3 is electrically connected to both the tester 5 and the electronic paper 4. The tester provided by the embodiment of the application comprises a voltage testing channel 51 and a current testing channel 52, wherein the voltage testing channel 51 is used for acquiring a voltage signal of the electronic paper 4, the current testing channel 52 is used for acquiring a current signal of the electronic paper, and the voltage testing channel 51 and the current testing channel 52 are respectively and independently controlled. Independent control in the embodiment of the present application means that both signal input and signal output of a test channel are independently controlled.
The voltage testing channel and the current testing channel are independently controlled, so that more comprehensive performance information of the electronic paper, including voltage and current, can be obtained, and further, the displayed performance of the electronic paper is comprehensively tested, and the reliability of the electronic paper is improved. In addition, the voltage test channel and the current test channel are independently controlled, and if one channel fails, the test cannot be carried out.
Due to the fact that models of electronic paper products are various, the electronic paper display device testing system needs to be adapted to various electronic paper products, and based on the fact that the electronic paper display device testing system needs to be adapted to various electronic paper products, the embodiment of the application provides another embodiment on the basis of the embodiment. If the number of the voltage testing channels cannot be matched with the voltage signal ports to be tested due to different models of the electronic paper products, if the number of the voltage testing channels is smaller than the number of the voltage signal ports in the electronic paper display device to be tested, the voltage testing can be switched through the relay. That is, the voltage signal port to be tested in the electronic paper display device may implement a batch test through the relay.
Similarly, if the number of the current test channels cannot be adapted to the number of the current signal ports to be tested in the electronic paper display device, for example, the number of the current test channels is smaller than the number of the voltage signal ports to be tested in the electronic paper display device, the current test can be switched through the relay. That is, the current signal port to be tested in the electronic paper display device may implement a batch test through the relay.
The number of voltage test channels is larger than that of current test channels, so that the method is mainly used for adapting to mainstream electronic paper products in the current market.
Further, the number of voltage test channels is 3, the number of current test channels is 1.
On the basis of the above embodiments, the present embodiment provides a schematic structural diagram of the driving adapter plate 3.
With continued reference to fig. 2, as shown in fig. 2, the driving adapter board 3 is electrically connected to the circuit module 31, and the pc 1 is electrically connected to the electronic paper 4 through the circuit module 31.
The electronic paper 4 comprises an EPD chip, wherein the other end of the EPD chip comprises a first type port 41 and a second type port 42, wherein the first type port 41 is electrically connected with the voltage test channel 51, and the second type port 42 is electrically connected with the current test port.
Thus, the EPD has a port matched with the electronic paper product, and can be matched with the test of different electronic paper products.
Furthermore, the driving adapter plate 3 is arranged in the temperature control box 2 and is electrically connected with the temperature control box 2 through a sensor of the temperature control box.
In one embodiment, the PC 1 and the drive adapter board 3 are electrically connected through USB protocol communication.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A kind of electronic paper display device test system, characterized by that: the electronic paper temperature control device comprises a PC (personal computer), a tester and a temperature control box, wherein electronic paper and a driving adapter plate are arranged in the temperature control box, and the driving adapter plate is electrically connected with the electronic paper; the tester is used for acquiring voltage and current numerical values, voltage and current waveform images and display time of the electronic paper display device; the PC is electrically connected with the drive adapter plate and the tester.
2. The electronic paper display device testing system of claim 1, wherein the tester comprises a voltage test channel and a current test channel, wherein the voltage test channel and the current test channel are independently controlled.
3. The electronic paper display device testing system of claim 2, wherein the number of voltage testing channels is less than a voltage signal port to be tested, the voltage testing channels pass a relay switching test.
4. The electronic paper display device testing system of claim 2, wherein the current testing channel is smaller than a current signal port to be tested, the current testing channel passing a relay switching test.
5. The electronic paper display device testing system of claim 2, wherein the number of voltage test channels is greater than the number of current test channels.
6. The e-paper display device testing system of claim 2, wherein there are 3 voltage test channels and 1 current test channel.
7. The electronic paper display device testing system of claim 1, wherein the drive adapter board comprises a circuit module, and the PC is electrically connected to the electronic paper display device through the circuit module.
8. The electronic paper display device testing system of claim 1, wherein the electronic paper display device comprises an EPD chip, the EPD chip comprising at least a first type of port electrically connected to a voltage test channel and a second type of port electrically connected to a current test channel port.
9. The electronic paper display device testing system of claim 1, wherein the drive adapter plate is electrically connected to the temperature control box through a sensor.
10. The electronic paper display device testing system of claim 1, wherein the PC is electrically connected to the drive adapter board via USB protocol communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221159613.6U CN217542971U (en) | 2022-05-16 | 2022-05-16 | Electronic paper display device test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221159613.6U CN217542971U (en) | 2022-05-16 | 2022-05-16 | Electronic paper display device test system |
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| Publication Number | Publication Date |
|---|---|
| CN217542971U true CN217542971U (en) | 2022-10-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221159613.6U Active CN217542971U (en) | 2022-05-16 | 2022-05-16 | Electronic paper display device test system |
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| CN (1) | CN217542971U (en) |
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