CN221327336U - LCD display module testing arrangement with compatibility - Google Patents

Abstract

The utility model discloses a testing device of an LCD display module with compatibility, which relates to the technical field of testing of display modules, and comprises a testing jig, wherein a testing module convenient to test is used in the testing jig, an adjusting mechanism convenient to use the testing jig is arranged on the testing jig, the testing module comprises a testing PG, a bridging chip and a TLCD, RGB integration is electrically connected between the testing PG and the bridging chip, a power supply is electrically connected between the testing PG and the bridging chip, an integrated circuit is electrically connected between the bridging chip and the TLCD, and an LED connector is electrically connected on the bridging chip. According to the utility model, the RGB model is converted into the MCU signal through the RGB interface and the bridge chip is used, the interface is switched through the jump cap selection, the RGB+MCU interface is compatible, the problem of complex wiring of the jig is solved, the efficiency is improved, the test PG is more durable, and the service life of the jig is prolonged.

Description

LCD display module testing arrangement with compatibility

Technical Field

The present utility model relates to the field of display module testing technology, and in particular, to a testing device for an LCD display module with compatibility.

Background

At the moment when LCD display product technology is mature, optimizing product performance to promote product appeal has become an important research and development direction. Among them, the type of RGB/MCU product occupies a large area in the current market, and tests for such products are also generated.

However, in the implementation process of the technical scheme, at least the following technical problems are found: when the existing test fixture is used for testing, the traditional test is not compatible with the RGB+MCU interface, so that very complicated wiring can be caused to the test, the wiring is complicated in the existing test scheme, and the test time cost is greatly increased.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a testing device for an LCD display module with compatibility, which solves the technical problems that the conventional test is not compatible with an RGB+MCU interface, the test is very complicated, the test wiring is complicated and the test time cost is greatly increased in the conventional test scheme.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

The utility model provides a LCD display module testing arrangement with compatibility, includes the test jig, can use the test module of being convenient for carry out the test in the test jig, be equipped with the adjustment mechanism that is convenient for test jig to use on the test jig, the test module includes test PG, bridging chip and TLCD, electric connection has RGB to integrate between test PG and the bridging chip, still electric connection has the power between the bridging chip, electric connection has integrated circuit between bridging chip and the TLCD, still electric connection has the LED connector between the bridging chip and the test PG has the LED positive pole, electric connection has the LED negative pole between the bridging chip between test PG and the bridging chip, still electric connection has the LED lamp strip on the LED connector, be equipped with RGB+MCU between bridging chip and the integrated circuit, adjustment mechanism includes supporting baseplate and clamp plate, the upper end of supporting baseplate runs through and has the mounting groove, the lower tip fixed mounting of test jig has the pivot, the circumference tip fixed mounting of pivot has the gear, the lower tip fixed mounting of supporting baseplate has integrated circuit, electric connection has the LED positive pole between two ends, two square shaped plates have the L to install two end grooves, two square shaped plates have the L shaped push rod, two end plates have the L shaped groove, two end plates have the L shaped sliding plates are all fixed mounting, two end plates have the L shaped inner wall,

Preferably: the rack is meshed with the gear, and a thread groove is formed in the side end portion of the push rod, which is located on one side of the L-shaped rod.

Preferably: the inside wall of rotating the groove rotates and installs the threaded rod, threaded rod screw thread rotates and installs the inside wall at the thread groove, two equal fixed mounting of both sides tip of supporting baseplate has the rectangle piece, equal fixed mounting has the telescopic link between clamp plate and the every rectangle piece.

(III) beneficial effects

1. This device passes through the RGB interface, and reuse bridging chip changes RGB model into the MCU signal, through jumping the cap and select the switching interface, compatible RGB+MCU interface saves the loaded down with trivial details problem of tool wiring, promotes efficiency, and the test PG of messenger is more durable, promotes tool life.

2. This device is through having set up clamp plate, sucking disc, gear and rack matched with, and accessible sucking disc adsorbs and fixes test fixture on the plane when testing to stability when guaranteeing the test to drive the rack through gear movement and rotate and drive test fixture and carry out the angle modulation, and then make test fixture when the test, the different angle of adaptation.

Drawings

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

FIG. 1 is a block diagram of a test fixture according to the present utility model;

FIG. 2 is a block diagram of a support floor of the present utility model;

FIG. 3 is a block diagram of an L-bar of the present utility model;

FIG. 4 is a block diagram of a platen of the present utility model;

fig. 5 is a circuit configuration diagram of the present utility model.

Legend description: 1. testing a jig; 11. a rotating shaft; 12. a gear; 2. testing PG; 3. a bridge chip; 31. a power supply; 32. RGB integration; 33. an LED positive electrode; 34. an LED negative electrode; 4. TLCD; 41. an integrated circuit; 42. LED light bar; 43. an LED connector; 5. a support base plate; 51. a mounting groove; 52. rectangular blocks; 53. an L-shaped rod; 54. a rotating groove; 55. rectangular grooves; 56. a C-shaped plate; 57. a rack; 58. a push rod; 59. a thread groove; 6. a pressing plate; 61. a suction cup; 62. a telescopic rod; 63. a threaded rod.

Detailed Description

The embodiment of the application effectively solves the technical problems that the traditional test is not compatible with an RGB+MCU interface and very tedious wiring is caused to the test when the traditional test fixture 1 is used for testing, the wiring of the traditional test scheme is tedious and the test time cost is greatly increased by providing the LCD display module testing device with compatibility.

Examples

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the technical solution in the embodiment of the present utility model is to effectively solve the technical problems that when the existing test fixture 1 is used for testing, the conventional test is not compatible with the rgb+mcu interface, which can cause very complicated wiring to the test, the test wiring of the existing test solution is complicated, and the test time cost is greatly increased, and the overall thinking is as follows: in order to achieve the above purpose, the utility model is realized by the following technical scheme:

The utility model provides a LCD display module testing arrangement with compatibility, including test fixture 1, can use the testing module that is convenient for carry out the test in the test fixture 1, be equipped with the adjustment mechanism that is convenient for test fixture 1 to use on the test fixture 1, the testing module includes test PG2, bridge chip 3 and TLCD4, electric connection has RGB integration 32 between test PG2 and the bridge chip 3, still electric connection has power 31 between the bridge chip 3 and then, electric connection has integrated circuit 41 between bridge chip 3 and the TLCD4, still electric connection has LED positive electrode 33 between bridge chip 3 and the test PG2 on the bridge chip 3, electric connection has LED negative electrode 34 between test PG2 and the bridge chip 3, still electric connection has LED lamp strip 42 on the LED connector 43, be equipped with RGB+ MCU between bridge chip 3 and the integrated circuit 41, this device is done bridge chip 3 and is changed LVDS signal on a change board on conventional RGB interface, through RGB interface, change RGB signal into MCU through the bridge chip 3, change RGB cap model into the interface, switch over the interface, compatible interface of the group of the test;

The adjusting mechanism comprises a supporting bottom plate 5 and a pressing plate 6, wherein the upper end part of the supporting bottom plate 5 is provided with a mounting groove 51 in a penetrating way, the lower end part of the testing jig 1 is fixedly provided with a rotating shaft 11, the circumferential end part of the rotating shaft 11 is fixedly provided with a gear 12, the lower end part of the supporting bottom plate 5 is fixedly provided with two C-shaped plates 56, the number of the pressing plates 6 is two, the lower end parts of the two pressing plates 6 are fixedly provided with at least two suckers 61, a user can fix the testing jig 1, the user can stretch a telescopic rod 62, the telescopic rod 62 stretches to drive the pressing plate 6 to move downwards, the pressing plate 6 moves downwards to drive the suckers 61 to gradually leave the inner side walls of the C-shaped plates 56, and the user can press the suckers 61 to be adsorbed on a plane, so that the stability of the testing jig 1 in the progress test is ensured;

two clamp plates 6 all slidable mounting are in the inside wall of C shaped plate 56, the side tip fixed mounting of supporting baseplate 5 has L shape pole 53, the side tip of L shape pole 53 runs through and has seted up rotary groove 54, the side tip of two C shaped plates 56 all runs through and has seted up rectangular groove 55, the inside wall of two rectangular grooves 55 all slidable mounting has push rod 58, fixed mounting has same rack 57 between two push rods 58, rack 57 and gear 12 mesh mutually, the screw groove 59 has been seted up to the side tip that is located L shape pole 53 one side push rod 58, threaded rod 63 is installed in the inside wall rotation of rotary groove 54, threaded rod 63 screw rotation is installed at the inside wall of screw groove 59, the both sides tip of two supporting baseplate 5 is fixed mounting rectangular piece 52, all fixed mounting has telescopic link 62 between clamp plate 6 and the every rectangular piece 52, during the test, the user can also adjust the angle of test fixture 1 according to the test demand, the rotatable threaded rod 63 of user, the threaded rod 63 rotates and drives 58 through screw groove 59 and moves and drives rack 57, rack 57 and gear 12 is rotated, gear 12 is driven to rotate 11, 11 rotates and drives tool 1 and rotates 11 and rotates 1 and rotate the pivot, namely, the rotation axis is required to be adjusted.

Aiming at the problems existing in the prior art, the utility model provides the LCD display module testing device with compatibility, which converts RGB model into MCU signals through RGB interfaces and uses the bridging chip 3, and the interface is switched through jump caps to be compatible with RGB+MCU interfaces, so that the problem of complicated wiring of the jig is solved, the efficiency is improved, the testing PG2 is more durable, and the service life of the jig is prolonged.

Working principle:

The device converts the bridge chip 3 into LVDS signals on a conventional RGB interface, all power & signals are summarized on a rotating plate, the RGB model is converted into MCU signals through the RGB interface and the bridge chip 3, the interface is switched through the jump cap selection, the RGB+MCU interface is compatible, when the module is tested, a user can fix the test fixture 1, the user can stretch the telescopic rod 62, the telescopic rod 62 stretches to drive the pressing plate 6 to move downwards, the pressing plate 6 moves downwards to drive the sucking disc 61 to gradually leave the inner side wall of the C-shaped plate 56, the user can press the sucking disc 61 to adsorb on a plane, the stability of the test fixture 1 in progress test is ensured, the user can also adjust the angle of the test fixture 1 according to the test requirement when the test is performed, the user can rotate the threaded rods 63 and 63 to drive the push rods 58 to move through the thread grooves 59, the push rod 58 moves to drive the rack 57 to move, the rack 57 moves to drive the gear 12 to rotate, the gear 12 rotates to drive the rotating shaft 11 to rotate, the rotating shaft 11 rotates to drive the test jig 1 to rotate, when the angle of the test jig 1 needs to be adjusted, through rotating the threaded rod 63, when the existing test jig 1 is tested, the traditional test is not compatible with RGB+MCU interfaces, very complicated wiring is caused to the test, the existing test scheme is complicated in test wiring, the test time cost is greatly increased, the device is used for switching the RGB model into MCU signals through the RGB interfaces and then using the bridging chip 3, the interface is switched through the jump cap, the RGB+MCU interfaces are compatible, the problem of complicated wiring of the jig is saved, the efficiency is improved, the test PG2 is more durable, the service life of the jig is prolonged, the device is matched with the rack 57 through the arrangement of the pressing plate 6, the sucker 61, the gear 12, the test fixture 1 can be fixed on a plane through the suction disc 61 during testing, stability during testing is guaranteed, the rack 57 is driven to rotate through the movement of the gear 12 to drive the test fixture 1 to conduct angle adjustment, and then the test fixture 1 is adapted to different angles during testing.

Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present utility model and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims (6)

1. The LCD display module testing device with compatibility comprises a testing jig (1), and is characterized in that a testing module convenient to test is used in the testing jig (1), and an adjusting mechanism convenient to use the testing jig (1) is arranged on the testing jig (1);

The test module comprises a test PG (2), a bridge chip (3) and a TLCD (4), wherein an RGB (red green blue) integration (32) is electrically connected between the test PG (2) and the bridge chip (3);

wherein, the test PG (2) is further electrically connected with a power supply (31) between the bridge chips (3);

Wherein, an integrated circuit (41) is electrically connected between the bridging chip (3) and the TLCD (4);

Wherein, the bridge chip (3) is also electrically connected with an LED connector (43).

2. The device for testing a compatible LCD display module of claim 1, wherein: an LED anode (33) is electrically connected between the test PG (2) and the bridge chip (3);

Wherein, the LED negative electrode (34) is electrically connected between the test PG (2) and the bridge chip (3);

wherein, the LED connector (43) is also electrically connected with an LED lamp strip (42);

Wherein, be equipped with RGB+MCU between bridge chip (3) and integrated circuit (41).

3. The device for testing a compatible LCD display module according to claim 2, wherein: the adjusting mechanism comprises a supporting bottom plate (5) and a pressing plate (6), an installation groove (51) is formed in the upper end portion of the supporting bottom plate (5) in a penetrating mode, and a rotating shaft (11) is fixedly installed at the lower end portion of the testing jig (1);

wherein, the circumference end part of the rotating shaft (11) is fixedly provided with a gear (12);

Wherein, the lower end part of the supporting bottom plate (5) is fixedly provided with two C-shaped plates (56);

The number of the pressing plates (6) is two, at least two suckers (61) are fixedly arranged at the lower end parts of the two pressing plates (6), and the two pressing plates (6) are slidably arranged on the inner side walls of the C-shaped plates (56).

4. A testing device for a compatible LCD display module according to claim 3, wherein: an L-shaped rod (53) is fixedly arranged at the side end part of the supporting bottom plate (5), and a rotating groove (54) is formed in the side end part of the L-shaped rod (53) in a penetrating manner;

Wherein, the side end parts of the two C-shaped plates (56) are respectively provided with a rectangular groove (55) in a penetrating way;

Wherein, push rods (58) are slidably arranged on the inner side walls of the two rectangular grooves (55);

Wherein the same rack (57) is fixedly arranged between the two push rods (58).

5. The device for testing a compatible LCD display module of claim 4, wherein: the rack (57) is meshed with the gear (12);

Wherein, a thread groove (59) is arranged at the side end part of the push rod (58) at one side of the L-shaped rod (53).

6. The device for testing a compatible LCD display module of claim 5, wherein: the inner side wall of the rotating groove (54) is rotatably provided with a threaded rod (63);

wherein the threaded rod (63) is rotatably arranged on the inner side wall of the thread groove (59);

rectangular blocks (52) are fixedly mounted at the two side ends of the two supporting bottom plates (5), and telescopic rods (62) are fixedly mounted between the pressing plates (6) and each rectangular block (52).