OLED display module test board

Abstract

The utility model discloses an OLED display module test board, which relates to the technical field of OLED display module testing and comprises a test board body, at least two display module bodies are slidably mounted in the test board body, at least two mounting frames are fixedly mounted in the test board body, and a cover plate is rotatably mounted at the top end of each mounting frame. A butt-joint plate is fixedly mounted in each mounting frame, a boosting chip is fixedly mounted at the top end of each butt-joint plate, and the display module body is moved, slides along the interior of the test plate body, rubs the side end of the display module body with the limiting plate and continues to move, so that the boosting chip is boosted. The port at the side end part of the display module body is in butt joint with the butt joint plate, and meanwhile, the reset spring reversely pushes the limiting plates, so that the two limiting plates extrude and fix the side end of the display module body, and the situation that the connection between the display module body and the butt joint plate is loosened and the test progress is influenced is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to OLED display module test technology field, especially relate to a kind of OLED display module test board. BACKGROUND

[0002] OLED display module is a kind of component using organic light emitting diode technology to realize image display, OLED display module test is important link to ensure OLED product quality and performance, in practical application, OLED display module test board usually needs following technology:

[0003] 1, power module, provides stable power supply for test board and OLED display module;

[0004] 2, signal processing circuit, processes and converts input signal;

[0005] 3, interface module, provides the connecting interface of OLED display module and external device;

[0006] 4, control module, controls and coordinates each module on test board;

[0007] 5, shell and support, protect each module on test board, provide mechanical support and fixed;

[0008] Connect power supply, set appropriate voltage and current, connect signal generator, observe whether OLED display module can correctly receive and display input signal, use oscilloscope to measure the timing signal of OLED display module, such as line synchronization, field synchronization, data enable, ensure that timing signal meets specification requirements, without signal distortion, jitter and other problems;

[0009] When OLED display module is tested, due to the limited data information received by port, the test point module of port is less, the parameters that can be obtained by testing OLED display module are relatively simple, which leads to limited data parameters obtained by testing, and affects the accuracy of OLED display module test. UTILITY MODEL CONTENTS

[0010] In view of the deficiencies of prior art, the utility model provides an OLED display module test board, solves the technical problem that when OLED display module is tested, due to the limited data information received by port, the test point module of port is less, the parameters that can be obtained by testing OLED display module are relatively simple, which leads to limited data parameters obtained by testing, and affects the accuracy of OLED display module test.

[0011] To achieve the above object, the utility model is realized by the following technical scheme:

[0012] An OLED display module test board, which comprises a test board body, at least two display module bodies are slidably arranged in the test board body, at least two mounting frames are fixedly arranged in the test board body, a cover plate is rotatably arranged at the top end of each mounting frame, a docking plate is fixedly arranged in each mounting frame, and a boost chip is fixedly arranged at the top end of each docking plate.

[0013] Preferably, at least two limiting plates are slidably arranged in the test board body, the side end of each limiting plate is designed as an inclined surface, two return springs are fixedly arranged at the bottom end of each limiting plate, a control box is fixedly arranged at the side end of the test board body, a circuit board is arranged in the control box, a signal circuit and an output circuit are arranged in the circuit board, the control box is connected with the display module body through a wire harness, a connector is fixedly arranged at the side end of the control box, and the connector is connected with a power supply assembly.

[0014] Compared with the prior art, the OLED display module test board has the following beneficial effects.

[0015] In the utility model, the side end of the docking plate is additionally provided with symmetrical ELVSS and ELVDD OLED module special voltage, and the side end of the docking plate is provided with a boost chip, the port of the side end of the display module body is connected with the boost chip, the asymmetric voltage of the display module body is tested, 5 power is required for the OLED product, the display module body is connected with the docking plate, the inside of the display module body is tested, and the coverage and accuracy of the test are improved.

[0016] In the utility model, the display module body is moved along the inside of the test board body, the side end of the display module body is rubbed against the limiting plate, one end of the limiting plate is designed as an inclined surface, the limiting plate is moved under extrusion, the top end of the return spring is extruded, the outer side of the limiting plate is provided with an anti-skid piece, the display module body is continuously moved, the port of the side end of the display module body is connected with the docking plate, the limiting plate is reversely pushed by the return spring, the two limiting plates extrude and fix the side end of the display module body, the connection between the display module body and the docking plate is prevented from loosening, and the test progress is affected. ACCURACY

[0017] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and the utility model can be implemented according to the content of the specification, and the following preferred embodiments of the utility model are described in detail in cooperation with the drawings.

[0018] Figure 1 The utility model test board body structure diagram is provided.

[0019] Figure 2The utility model discloses the structure diagram of mounting frame for the utility model;

[0020] Figure 3 The utility model discloses the structure diagram of limiting board for the utility model;

[0021] Figure 4 The utility model discloses the structure diagram of butt joint board for the utility model;

[0022] Figure 5 The utility model discloses the circuit flow chart for the utility model.

[0023] Legend: 11, test board body; 12, control box; 13, joint; 14, display module body; 15, mounting frame; 16, cover plate; 17, limiting board; 18, reset spring; 19, butt joint board; 21, boost chip. Specific implementation

[0024] The embodiment of the application provides a kind of OLED display module test board, effectively solve the problem that when OLED display module is tested, since the data information limited by port reception, the test point module of port is less, the parameter that test OLED display module can obtain is relatively simple, lead to the data parameter limited by test, influence the accuracy of OLED display module test, through the side end of butt joint board still need to increase the symmetric ELVSS and ELVDD OLED module special voltage, simultaneously, boost chip is installed in the side end of butt joint board, the port of the side end of display module body is connected by boost chip, the asymmetric voltage of display module body is tested, for the product of OLED, need 5 power, through the butt joint of display module body by butt joint board, test the inside of display module body, increase the coverage and accuracy of test.

[0025] Embodiment

[0026] As Figure 1 - Figure 5 The technical scheme in the embodiment of the application effectively solves the technical problem that when OLED display module is tested, since the data information limited by port reception, the test point module of port is less, the parameter that test OLED display module can obtain is relatively simple, lead to the data parameter limited by test, influence the accuracy of OLED display module test, and the general idea is as follows:

[0027] In view of the problems in the prior art, the utility model provides a kind of OLED display module test board, including test board body 11, the inside sliding installation of at least two display module bodies 14, the inside fixed mounting of test board body 11 at least two installation frame 15, the top of each installation frame 15 is rotatably installed with cover plate 16, the inside of each installation frame 15 is fixedly installed with docking plate 19, the top of each docking plate 19 is fixedly installed with boost chip 21, the side end of docking plate 19 also needs to increase the voltage of symmetry ELVSS and ELVDD OLED module special purpose, simultaneously in the side end portion of docking plate 19 installation boost chip 21, by the port of the side end portion of display module body 14 docking display module body 14, the asymmetric voltage of test display module body 14 is tested.

[0028] The inside of test board body 11 is slidably installed with at least two limit plates 17, and the side end portion of the limit plate 17 is designed as an inclined surface. Two return springs 18 are fixedly installed at the bottom end of each limit plate 17. Anti-skid pieces are installed on the outside of the limit plate 17. The display module body 14 is continuously moved to dock the port of the side end portion of the display module body 14 with the docking plate 19. At the same time, the return spring 18 reversely pushes the limit plate 17 to extrude and fix the side end of the display module body 14 by the two limit plates 17, so as to prevent the connection between the display module body 14 and the docking plate 19 from loosening. The side end portion of the test board body 11 is fixedly installed with a control box 12. The control box 12 is internally installed with a circuit board. The circuit board is internally installed with a signal circuit and an output circuit. The control box 12 is connected with the display module body 14 through a wire harness. The side end portion of the control box 12 is fixedly installed with a connector 13. The connector 13 is connected with a power supply assembly.

[0029] Working principle:

[0030] First, through the joint 13 connection power components, to the inside of the test board body 11 output current, through the display module body 14, the display module body 14 is inserted into the inside of the test board body 11, the inside of the test board body 11 is installed with docking plate 19, the outside of the docking plate 19 is installed with boost chip 21, by turning the cover plate 16, the cover plate 16 is rotated outside the installation frame 15, the docking plate 19 is arranged in the inside of the installation frame 15, the installation frame 15 and the cover plate 16 cover the docking plate 19, when not in use, play the role of dustproof, by moving the display module body 14, the display module body 14 slides along the inside of the test board body 11, the side end of the display module body 14 rubs with the limiting plate 17, one end of the limiting plate 17 is designed as an inclined surface, the limiting plate 17 moves under pressure, the top end of the reset spring 18 is extruded, and anti-skid pieces are installed outside the limiting plate 17, the display module body 14 continues to move, so that the port of the side end of the display module body 14 is docked with the docking plate 19, and the reset spring 18 reversely pushes the limiting plate 17, so that the two limiting plates 17 extrude and fix the side end of the display module body 14, preventing the display module body 14 from being loose with the docking plate 19, affecting the progress of the test.

[0031] Second, the display module body 14 is docked with the docking plate 19, which facilitates the connection of the test board body 11 with different models of display modules, and also facilitates data transmission and control with external equipment, the inside of the test board body 11 is increased with new POWER current, in addition to the conventional 3POWER, the side end of the docking plate 19 also needs to be increased with symmetrical ELVSS and ELVDD OLED module special voltage, and boost chip 21 is installed at the side end of the docking plate 19, the port of the side end of the display module body 14 is docked with the boost chip 21, the asymmetric voltage of the display module body 14 is tested, and 5power is required for OLED products, the display module body 14 is docked with the docking plate 19, the inside of the display module body 14 is tested, the side end of the control box 12 is connected with the test board body 11 through the wire harness, the test data is transmitted to the inside of the control box 12, the signal processing circuit and the driving circuit are installed in the inside of the control box 12, and the display screen is installed at the top end of the control box 12, which is used to display the parameters of the display module body 14 test, increase the coverage and accuracy of the test.

[0032] Finally, it should be noted that: obviously, the above embodiments are only examples for clearly illustrating the utility model, and are not limited to the implementation. For ordinary skilled in the art, on the basis of the above description, other different forms of changes or variations can also be made. Here, it is not necessary and impossible to enumerate all the implementation. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. An OLED display module test board, comprising a test board body (11), characterized in that, The inside of the test plate body (11) is slidably provided with at least two display module bodies (14), and the inside of the test plate body (11) is fixedly provided with at least two mounting frames (15). The top end of each mounting frame (15) is rotatably provided with a cover plate (16), and the inside of each mounting frame (15) is fixedly provided with a docking plate (19). The top end of each docking plate (19) is fixedly provided with a boost chip (21). 2.The OLED display module test board of claim 1, wherein, The inside of the test plate body (11) is slidably provided with at least two limiting plates (17), and the side end of the limiting plate (17) is designed as an inclined surface.

3. The OLED display module test board of claim 2, wherein, The bottom end of each limiting plate (17) is fixedly provided with two reset springs (18).

4. The OLED display module test board of claim 1, wherein, The side end of the test plate body (11) is fixedly provided with a control box (12).

5. The OLED display module test board of claim 4, wherein, The inside of the control box (12) is provided with a circuit board, and the inside of the circuit board is provided with a signal circuit and an output circuit. The control box (12) is connected with the display module body (14) through a wire harness.

6. The OLED display module test board of claim 4, wherein, The side end of the control box (12) is fixedly provided with a connector (13), and the connector (13) is connected with a power supply assembly.

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