CN218099251U

CN218099251U - Programmable small-sized AMOLED module

Info

Publication number: CN218099251U
Application number: CN202221468622.3U
Authority: CN
Inventors: 刘群
Original assignee: Armorlink SH Corp
Current assignee: Armorlink SH Corp
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-12-20
Anticipated expiration: 2032-06-13

Abstract

The application discloses a programmable programming small AMOLED module, which relates to the technical field of OLED screen testing and comprises a communication unit, a test unit and a control unit, wherein the communication unit is used for connecting external equipment and receiving a test program instruction; the micro control unit is in data connection with the communication unit, receives the program instruction and responds to a display signal; and the test unit is in data connection with the micro control unit, receives and sends out display signals and comprises a plurality of display buses and touch buses, the display buses are used for outputting the display signals to an external AMOLED screen, and the touch buses are used for receiving touch signals from the AMOLED. The method and the device have the effect of improving compatibility and testing efficiency when testing different types of OLED screens.

Description

Programmable small-sized AMOLED module

Technical Field

The application relates to the technical field of OLED screen testing, in particular to a programmable programming small-sized AMOLED module.

Background

AMOLED (Active-matrix organic light-emitting diode, or Active-matrix organic light-emitting diode) is a display screen technology. Among them, OLEDs (organic light emitting diodes) are a specific type describing thin film display technology: organic electroluminescent display; AM (active matrix or active matrix) refers to the pixel addressing technique behind. The AMOLED technology is mainly used for smart phones, and continues to be developed in a direction of low power consumption, low cost, and large size.

Currently, there are various models of OLED screens on the market, such as MIPI AMOLED, QSPI AMOLED, and the like. When various screens are subjected to model selection and test, different buses compatible with the screens to be tested are often required to be configured, so that the test efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the compatibility of the AMOLED test module in testing different types of OLED screens and improve the test efficiency, the application provides a programmable small-sized AMOLED module.

The application provides a small-size AMOLED module of programmable programming, adopts following technical scheme:

a programmable small AMOLED module includes

The communication unit is used for connecting external equipment and receiving a program instruction for testing;

the micro control unit is in data connection with the communication unit, receives the program instruction and responds to a display signal;

and the test unit is in data connection with the micro control unit, receives and sends the display signals and comprises a plurality of display buses and touch buses, the display buses are used for outputting the display signals to an external AMOLED screen, and the touch buses are used for receiving the touch signals from the AMOLED.

By adopting the technical scheme, when the OLED screens of different models face each other, the small AMOLED module can directly connect the OLED screen to be tested to different display buses and touch buses in the test unit according to the interfaces corresponding to the different OLED screens, so that the compatibility of the AMOLED test module in testing the OLED screens of different types is improved, and the test efficiency is improved.

Optionally, the communication unit includes a first I2C interface, and the first I2C interface is connected to the micro control unit in data.

By adopting the technical scheme, the first I2C interface can be used for connecting external various sensor hardware or peripherals, so that the comprehensiveness of test output is improved.

Optionally, the communication unit includes a USB interface, and the USB interface is connected to the micro control unit in data.

By adopting the technical scheme, the USB interface is used for connecting the external USB flash disk, so that the test data can be conveniently transmitted and read.

Optionally, the communication unit includes a UART serial port, and the UART serial port data is connected to the micro control unit.

By adopting the technical scheme, the UART serial port can be used for outputting test data on a control console or a debugging table and can also be used for data communication.

Optionally, the module further includes a flash memory unit, and the flash memory unit is in data connection with the micro control unit.

By adopting the technical scheme, the flash memory unit is used for storing the program instruction and the test parameters when the micro control unit tests, so that the module does not need to be externally connected with a memory, and the convenience and the efficiency during testing are further improved.

Optionally, the flash memory unit is set as a QSPI flash memory.

Optionally, the display bus includes a MIPI interface and a QSPI interface.

By adopting the technical scheme, when the screen of the MIPI input is tested, the screen to be tested is connected to the MIPI interface. And when the screen of the QSPI input is tested, connecting the screen to be tested to the QSPI interface. Thereby making the module have better compatibility.

Optionally, the touch bus is set as a second I2C interface.

By adopting the technical scheme, the second I2C interface receives the touch signal output by the screen to be tested.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the OLED screen is faced with OLED screens of different models, the small AMOLED module can directly connect the OLED screen to be tested to different display buses and touch buses in the test unit according to interfaces corresponding to different OLED screens, so that the compatibility of the AMOLED test module in testing different types of OLED screens is improved, and the test efficiency is improved;

2. the first I2C interface can be used for connecting external various sensor hardware or peripherals, so that the comprehensiveness of test output is improved;

3. when testing the screen of the MIPI input, connecting the screen to be tested to the MIPI interface. And when the screen of the QSPI input is tested, connecting the screen to be tested to the QSPI interface. Therefore, the module has better compatibility.

Drawings

FIG. 1 is a block diagram of a programmable small AMOLED module according to an embodiment of the present invention.

Reference numerals: 1. a communication unit; 11. a first I2C interface; 12. a USB interface; 13. a UART serial port; 2. a micro control unit; 3. a test unit; 31. a display bus; 32. a touch bus; 4. a flash memory cell.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses a programmable programming small-sized AMOLED module.

Referring to fig. 1, a programmable small AMOLED module includes a communication unit 1, a micro control unit 2, a test unit 3, and a flash memory unit 4.

The communication unit 1 is used for connecting external devices and receiving test program instructions. In this embodiment, the communication unit 1 includes a first I2C interface 11, a USB interface 12, and a UART serial port 13, in some other embodiments, the communication unit 1 may include one or more of the above interfaces or serial ports, and in other embodiments, the communication unit 1 may further include some other communication interfaces, such as an HDMI interface, a 1-Wire interface, and the like.

In this embodiment, the first I2C interface 11 is in data connection with the micro control unit 2, and is used to connect various external sensor hardware or peripherals, and when the interface is connected with the external sensor hardware, the interface is mainly used to obtain signals collected by the external sensor for screen testing. When the first I2C interface 11 is connected to some other peripheral, the interface is used to obtain some adjustment parameters input by the peripheral. The USB interface 12 is connected to the micro control unit 2 for connecting an external USB disk and storing or reading the test data. The UART serial port 13 is in data connection with the micro control unit 2 and used for outputting test data on a control console or a debugging platform, so that a tester can conveniently debug and control the test data and can also be used for data communication.

The flash memory unit 4 is in data connection with the micro control unit 2, in the present embodiment, the flash memory unit 4 is selected as a QSPI flash memory, and in other embodiments, the flash memory unit 4 may also be selected as another flash memory. In the embodiment, the QSPI flash memory device stores the program instruction and the test parameters when the micro control unit 2 is tested, so that the module does not need to be externally connected with a memory, and the convenience and the efficiency during testing are further improved.

The micro control unit 2 is a micro computing chip, and the specific chip type is not limited in this embodiment. The micro control unit 2 is in data connection with the communication unit 1, receives the instruction signals acquired by the communication unit 1, responds to the display signals and sends the display signals to the test unit 3, and meanwhile, the test unit 3 collects touch signals from the display screen.

The test unit 3 is in data connection with the micro control unit 2, receives the display signal output by the micro control unit 2, and sends the display signal to the screen to be tested. Meanwhile, the test unit 3 receives a touch signal of an external test screen and transmits the touch signal to the micro control unit 2. Specifically, the test unit 3 includes a plurality of display buses 31 and a touch bus 32, where the display buses 31 are used for outputting display signals to an external AMOLED screen, and the touch bus 32 is used for receiving touch signals from the AMOLED screen. The display bus 31 includes an MIPI interface and a QSPI interface, the MIPI interface is used to output display signals in an MIPI-DSI data format and is suitable for testing the MIPI AMOLED screen, and the QSPI interface is used to output display signals in a QSPI data format and is suitable for testing the QSPI AMOLED screen. The touch bus 32 is set as a second I2C interface, and is used for receiving an I2C touch signal sent by the screen to be tested.

The implementation principle of the programmable programming small AMOLED module in the embodiment of the application is as follows: when the module in the application is used for testing the MIPI AMOLED screen, the screen to be tested only needs to be connected to the MIPI interface and the second I2C interface, and corresponding testing can be conducted. When the QSPI AMOLED screen is tested, corresponding testing can be carried out only by connecting the screen to be tested to the QSPI interface and the second I2C interface.

The compatibility of the AMOLED test module in testing different types of OLED screens is greatly improved, and the test efficiency is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A programmable small AMOLED module is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the communication unit (1) is used for connecting external equipment and receiving a program instruction for testing;

the micro control unit (2) is in data connection with the communication unit (1), receives the program instruction and responds to a display signal;

the testing unit (3) is in data connection with the micro control unit (2), receives and sends the display signals, and comprises a plurality of display buses (31) and a touch bus (32), the display buses (31) are used for outputting the display signals to an external AMOLED screen, and the touch bus (32) is used for receiving touch signals from the AMOLED.

2. The programmable small AMOLED module as set forth in claim 1, wherein: the communication unit (1) comprises a first I2C interface (11), and the first I2C interface (11) is in data connection with the micro control unit (2).

3. The programmable small AMOLED module as set forth in claim 1, wherein: the communication unit (1) comprises a USB interface (12), and the USB interface (12) is in data connection with the micro control unit (2).

4. The programmable small AMOLED module as set forth in claim 1, wherein: the communication unit (1) comprises a UART serial port (13), and the UART serial port (13) is connected with the micro control unit (2) in a data mode.

5. The programmable small AMOLED module as set forth in claim 1, wherein: the module further comprises a flash memory unit (4), and the flash memory unit (4) is in data connection with the micro control unit (2).

6. The programmable small AMOLED module as recited in claim 5, wherein: the flash memory unit (4) is set as a QSPI flash memory device.

7. The programmable small AMOLED module as set forth in claim 1, wherein: the display bus (31) includes a MIPI interface and a QSPI interface.

8. The programmable small AMOLED module as recited in claim 7, wherein: the touch bus (32) is provided as a second I2C interface.