CN217542971U - An electronic paper display device testing system - Google Patents

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

An electronic paper display device testing system

technical field

The utility model relates to the technical field of electronic paper, in particular to an electronic paper display device testing system.

Background technique

Electronic paper displays images based on the principle of electrophoretic display. Electrophoretic display uses colored charged balls. By applying an external electric field, the charged balls move in a liquid environment to present different color display effects.

With the continuous improvement of electronic paper in the display industry, due to its inherent power failure, it still maintains the display characteristics, which makes its service life have a strong advantage. The way of driving current is also related, and the working current of electronic paper during display is nonlinear, which is very 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 electronic paper products.

In the related art, on the one hand, the testing process of electronic paper products requires manual operation, and the test data needs to be manually recorded and evaluated, which results in low testing efficiency and long time consuming; The color of different display particles in the paper is tested to judge the display effect of the electronic paper. However, the color of the display particles cannot accurately reflect the performance of the electronic paper, and there is a deviation in the performance evaluation.

Utility model content

In view of at least one of the above technical problems, embodiments of the present application provide an electronic paper display device testing system, which can improve the efficiency of electronic paper display device testing.

In order to achieve the above purpose, the embodiments of the present application provide the following technical solutions:

An embodiment of the present application provides a testing system for an electronic paper display device, including a PC, a tester, and a temperature control box. The temperature control box is provided with electronic paper and a drive adapter board, wherein the drive adapter board is connected to the The electronic paper is electrically connected; the tester is used to obtain the voltage and current values of the electronic paper display device, the voltage and current waveform images and the display time of the electronic paper display device; the PC is connected to the drive adapter board, the tester All electrical connections.

The electronic paper display device testing system provided by the embodiments of the present application includes a PC, and the PC is used for issuing instructions and for reading data signals such as voltage and current of the tester. The electronic paper display device test system includes a temperature control box, which is used to provide a suitable test environment for the electronic paper device. Specifically, the PC sends an instruction to the temperature control box, and the temperature control box sets the environmental conditions according to the instructions to achieve After the environmental conditions, the electronic paper display device testing system includes a PC electronic paper and a driving adapter board. The PC drives the electronic paper through the driving adapter board, and obtains the voltage and current data of the electronic paper through the tester. Thus, the automatic recording of the electronic paper performance by the testing instrument is realized, and the efficiency and accuracy of the electronic paper performance testing are improved.

In a possible implementation manner, the tester includes a voltage test channel and a current test pass, and the voltage test channel and the current test channel are independently controlled.

In this way, the test instrument can independently record the voltage and current of the electronic paper without affecting each other and realize real-time recording, which can quickly and accurately evaluate the performance of the electronic paper comprehensively.

In a possible implementation manner, the voltage test channel is smaller than the voltage signal port to be tested, and the voltage test channel is tested through relay switching.

In this way, if the voltage port to be tested of the electronic paper product is changed for different electronic paper product models, and the number of voltage test channels in the electronic paper display device test system is not equal to that of the voltage port to be tested in the electronic paper product, the relay can be passed through the relay. Implement switch batch testing.

In a possible implementation manner, the current test channel is smaller than the current signal port to be tested, and the current test channel is tested by switching the relay.

In this way, if the current port to be tested of the electronic paper product is changed for different electronic paper product models, and the number of current test channels in the electronic paper display device test system is not equal to the number of current ports to be tested in the electronic paper product, the relay can be passed through the relay. Implement switch batch testing.

In a possible implementation manner, the number of the voltage test channels is greater than the number of the current test channels.

The application scenarios of e-paper products. Among the current e-paper products, most e-paper products have many voltage ports to be tested. In order to match the testing of mainstream electronic paper products, the number of voltage test channels in the electronic paper display device test system of the embodiment of the present application is greater than the number of current test channels.

It can be realized that, in one of the embodiments, there are three voltage test channels and one current test channel.

Such an arrangement can meet the requirements of some electronic paper products without increasing redundant space.

In a possible implementation manner, the drive adapter board includes a circuit module, and the PC is electrically connected to the electronic paper display device through the circuit module.

In a possible implementation manner, the electronic paper display device includes an EPD chip, the EPD chip includes at least a first type port and a second type port, the first type port is electrically connected to a voltage test channel, and the The second type of port is electrically connected to the current test channel port.

In this way, the EPD obtains the designation issued by the PC through the circuit module, and then transmits it to the electronic paper to drive the electronic paper display. The EPD chip includes at least two types of ports, which can be adapted to the voltage test channel and the current test channel respectively, thereby improving test efficiency.

In a possible implementation manner, the drive adapter board is electrically connected to the temperature control box through a sensor.

In this way, the temperature control box transmits the signal of the PC to the drive adapter board through the sensor, and then instructs the drive adapter board to perform subsequent commands, and the sensor transmits the signal quickly and quickly, which can further improve the efficiency.

In a possible implementation manner, the PC is electrically connected to the driving current through USB protocol communication.

In this way, the PC sends the designation to the drive adapter board through the USB and then transmits it to the electronic paper to drive the electronic paper display.

The construction of the present application and the objects and beneficial effects of its other applications will be more clearly understood from the description of the preferred embodiments taken in conjunction with the accompanying drawings.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only It is a schematic diagram of an embodiment of the present application. For those of ordinary skill in the art, other drawings can also be obtained according to the provided drawings without creative effort.

FIG. 1 is a schematic diagram of connection of an electronic paper display device testing system according to an embodiment of the present application.

FIG. 2 is a schematic structural diagram of a tester and an adapter board in an electronic paper display device testing system according to an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The embodiments in the present application and all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

In the related art, in the electronic paper display device testing device, on the one hand, the test of the electronic paper requires manual recording and judgment, and on the other hand, the color test is carried out on the display particles of the electronic paper without color, and then the performance of the electronic paper is judged. .

Then, on the one hand, due to manual recording and judgment, it takes a long time, resulting in low efficiency of electronic paper product testing; on the other hand, the color of the test shows that the particles cannot accurately reflect the performance of electronic paper products.

Based on at least one of the above technical problems, an embodiment of the present application provides a testing system for an electronic paper display device, including a PC, a tester, and a temperature control box. The temperature control box is provided with electronic paper and a drive adapter board. The drive adapter board is electrically connected to the electronic paper; the tester is used to obtain the voltage and current values, voltage and current waveform images and display time of the electronic paper display device of the electronic paper display device; the PC is connected to the electronic paper display device. The drive adapter board and the tester are all electrically connected.

The electronic paper display device testing system provided by the embodiment of the present application includes a PC, and the PC is used for issuing instructions and for reading data signals such as voltage and current of the tester. The electronic paper display device test system includes a temperature control box, which is used to provide a suitable test environment for the electronic paper device. Specifically, the PC sends an instruction to the temperature control box, and the temperature control box sets the environmental conditions according to the instructions to achieve After the environmental conditions, the electronic paper display device test system includes a PC electronic paper and a drive adapter board. The PC drives the electronic paper through the drive adapter board, and obtains the voltage and current values, voltage and current waveform images of the electronic paper through the tester. The electronic paper display device displays the time. Therefore, the automatic recording of the electronic paper performance by the testing instrument is realized, and the efficiency and accuracy of the electronic paper performance testing are improved.

The electronic paper display device testing system provided by the embodiment of the present application will be described below with reference to FIGS. 1 to 2 .

As shown in Figure 1, the electronic paper display device testing system includes a PC 1, a temperature control box 2, and a tester 5. The temperature control box is provided with a drive adapter board 3 and an electronic paper 4, wherein the drive adapter board 4 It is electrically connected with the electronic paper 4; the tester 5 is used to obtain the voltage and current values of the electronic paper display device, the voltage and current waveform images, and the display time of the electronic paper display device; the PC 1 and the drive adapter board 3, The testers 5 are all electrically connected.

Specifically, the temperature control box 2 is electrically connected to the PC 1 , and according to the instructions of the PC 1 , a suitable environment is set and the results are fed back to the PC 1 . When the environment of the temperature control box meets the requirements of the instruction, the PC 1 is electrically connected to the electronic paper 4 through the drive adapter board 3 to drive the display of the electronic paper, and at the same time, the tester 5 is designated to obtain the voltage and current values, voltage and current values of the electronic paper 4 The waveform image and the electronic paper display device show the time.

Thus, the automatic recording of the electronic paper performance by the testing instrument is realized, and the efficiency and accuracy of the electronic paper performance testing are improved.

The following is the description of the tester 5 provided in the embodiment of the present application.

As shown in FIG. 2 , the tester 5 is electrically connected to the drive adapter board 3 , and the drive adapter board 3 is electrically connected to both the tester 5 and the electronic paper 4 . The tester provided by the embodiment of the present application includes a voltage test channel 51 and a current test channel 52, the voltage test channel 51 is used to obtain the voltage signal of the electronic paper 4, the current test channel 52 is used to obtain the current signal of the electronic paper, and the voltage test channel 51 and the current test channel 52 are independently controlled. The independent control in the embodiment of this application means that the signal input and signal output of the test channel are both independently controlled.

The independent control of the voltage test channel and the current test channel can obtain more comprehensive performance information of the electronic paper, including voltage and current, and then comprehensively test the performance of the electronic paper display to provide the reliability of the electronic paper. In addition, the voltage test channel and the current test channel are independently controlled, so if a certain channel fails, the test will not fail.

Since there are various types of electronic paper products, the electronic paper display device testing system needs to be adapted to various electronic paper products. Based on this, the embodiment of the present application provides another embodiment based on the above embodiment. If the number of voltage test channels cannot be adapted to the voltage signal ports to be tested due to the different models of electronic paper products, for example, the number of voltage test channels is less than the number of voltage signal ports in the electronic paper display device to be tested, the voltage test can be switched by the relay test. That is, the voltage signal port to be tested in the electronic paper display device can be tested in batches through the relay.

Similarly, if the number of current test channels cannot be adapted to the current signal ports to be tested in the electronic paper display device, for example, the number of current test channels is less than the number of voltage signal ports to be tested in the electronic paper display device, the current test can be switched by the relay. test. That is, the current signal port to be tested in the electronic paper display device can be tested in batches through the relay.

The number of voltage test channels is greater than the number of current test channels, which is mainly to adapt to mainstream electronic paper products on the current market.

Further, there are three voltage test channels and one current test channel.

On the basis of the above-mentioned embodiment, the embodiment of the present application provides a schematic structural diagram of a drive adapter plate 3 .

Continuing to refer to FIG. 2 , as shown in FIG. 2 , the circuit module 31 of the adapter board 3 is driven, and the PC 1 is electrically connected to the electronic paper 4 through the circuit module 31 .

The electronic paper 4 includes an EPD chip, wherein the other end of the EPD chip includes a first-type port 41 and a second-type port 42, wherein the first-type port 41 is electrically connected to the voltage test channel 51, and the second-type port 42 is electrically connected to the current test port .

In this way, the EPD has a port adapted to the electronic paper product, and can be adapted to test different electronic paper products.

Further, the drive adapter plate 3 is arranged in the temperature control box 2, and is electrically connected to the temperature control box 2 through a sensor of the temperature control box.

In one of the embodiments, the PC 1 is electrically connected with the drive adapter board 3 through USB protocol communication.

The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the various embodiments can be referred to each other.

The above description of the disclosed embodiments enables 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 implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, this 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. An electronic paper display device testing system, characterized in that: comprising a PC, a tester, and a temperature control box, wherein the temperature control box is provided with electronic paper and a drive adapter plate, wherein the drive adapter plate and The electronic paper is electrically connected; the tester is used to obtain the voltage and current values of the electronic paper display device, the voltage and current waveform images, and the display time of the electronic paper display device; All instruments are electrically connected. 2 . The electronic paper display device testing system according to 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 . 3 . The electronic paper display device testing system according to claim 2 , wherein the number of the voltage test channels is smaller than the voltage signal ports to be tested, and the voltage test channels are tested by relay switching. 4 . 4 . The electronic paper display device testing system according to claim 2 , wherein the current test channel is smaller than the current signal port to be tested, and the current test channel is tested by relay switching. 5 . 5 . The electronic paper display device testing system according to claim 2 , wherein the number of the voltage test channels is greater than the number of the current test channels. 6 . 6 . The electronic paper display device testing system according to claim 2 , wherein there are three voltage test channels and one current test channel. 7 . 7 . The electronic paper display device testing system according to 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 . 8 . The electronic paper display device testing system according to claim 1 , wherein the electronic paper display device comprises an EPD chip, and the EPD chip comprises at least a first type port and a second type port, and the first type port The class port is electrically connected to the voltage test channel, and the second class port is electrically connected to the current test channel port. 9 . The electronic paper display device testing system according to claim 1 , wherein the drive adapter board is electrically connected to the temperature control box through a sensor. 10 . 10 . The electronic paper display device testing system according to claim 1 , wherein the PC is electrically connected with the drive adapter board through USB protocol communication. 11 .

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