CN204215703U

CN204215703U - V-BY-ONE signal generation device

Info

Publication number: CN204215703U
Application number: CN201420673523.8U
Authority: CN
Inventors: 王春霞; 段永华; 董亚明
Original assignee: SUZHOU INDUSTRIAL PARK HIDEA MECHATRONICS TECHNOLOGY Co Ltd
Current assignee: SUZHOU INDUSTRIAL PARK HIDEA MECHATRONICS TECHNOLOGY Co Ltd
Priority date: 2014-11-12
Filing date: 2014-11-12
Publication date: 2015-03-18
Anticipated expiration: 2024-11-12

Abstract

The utility model discloses a kind of V-BY-ONE signal generation device, comprising: backlight electric power output port; First memory; FPGA, comprise two LVDS image collecting devices, an image times frequency module and a LVDS output end of image mouth, LVDS image collecting device is electrically connected with first memory, and an image times frequency module is connected with first memory, LVDS output end of image mouth and image frequency multiplication model calling; Two change-over circuits, it is connected with LVDS output end of image mouth; Two V-BY-ONE interface modules, it is connected with change-over circuit.In present embodiment, liquid crystal display module is lighted by backlight electric power output port; Convert V-BY-ONE signal to after LVDS view data being carried out the increase of image field frequency, finally to the liquid crystal display module output image on streamline, detect its Presentation Function, compared to prior art, save manpower, more accurately, error is little, is applicable to large batch of production line.

Description

V-BY-ONE signal generation device

Technical field

The utility model belongs to display technique field, is specifically related to a kind of V-BY-ONE signal generation device.

Background technology

Along with the progress of science and technology, the development in epoch, the arrival of digital times, digitizing LCD TV spreads to huge numbers of families, and the turnout of LCD TV is also in a kind of geometric explosive growth of this few year's harvest.

Conventional television is produced the detection before dispatching from the factory and is adopted artificial naked eyes identification, and due to artificial limitation, discrimination standard exists very big-difference, and therefore testing result exists very large subjectivity and undulatory property, and the standardization for product quality forms very large obstacle.

Utility model content

In order to solve the problems of the technologies described above, the utility model provides a kind of V-BY-ONE signal generation device.

In order to achieve the above object, the technical solution of the utility model is as follows:

V-BY-ONE signal generation device, comprising:

Backlight electric power output port, it is electrically connected with power supply;

First memory;

FPGA, comprise two LVDS image collecting devices, an image times frequency module and a LVDS output end of image mouth, two LVDS image collecting devices are electrically connected with the input end of first memory, the input end of image times frequency module is electrically connected with the output terminal of first memory, and the input end of LVDS output end of image mouth is electrically connected with the output terminal of image times frequency module;

Two change-over circuits, its input end is electrically connected with the output terminal of described LVDS output end of image mouth;

Two V-BY-ONE interface modules, it is electrically connected with the output terminal of change-over circuit.

In present embodiment, liquid crystal display module is lighted by backlight electric power output port output backlight electric power; FPGA converts V-BY-ONE signal to by change-over circuit after the LVDS view data of outside board is carried out the increase of image field frequency, final V-BY-ONE interface module is to the liquid crystal display module output image on streamline, detect the Presentation Function of liquid crystal display module, compared to prior art, save manpower, detect its Presentation Function according to the image that liquid crystal display module exports, more accurately, error is little, is applicable to large batch of production line.

On the basis of technique scheme, also can do following improvement:

As preferred scheme, be also provided with memory module, the output terminal of memory module is electrically connected with the arbitrary LVDS image collecting device in two LVDS image collecting devices.

Adopt above-mentioned preferred scheme, memory module stores LVDS view data, outside board is not needed to input LVDS view data, V-BY-ONE signal is converted to after the LVDS view data of self memory module of direct employing carries out the increase of image field frequency, to liquid crystal display module output image, detect the Presentation Function of liquid crystal display module, can be used for the burn-in test of liquid crystal display module.

As preferred scheme, above-mentioned first memory is DDR3 or DDR2.

As preferred scheme, above-mentioned first memory is multiple.

As preferred scheme, above-mentioned V-BY-ONE interface module comprises V-BY-ONE receiving port, V-BY-ONE output port and second memory, and second memory is arranged between V-BY-ONE receiving port, V-BY-ONE output port.

As preferred scheme, be also provided with protection circuit, it is arranged between two LVDS image collecting devices and power supply.

As preferred scheme, described protection circuit is also arranged between backlight electric power output port and power supply.

Adopt above-mentioned preferred scheme, protection circuit can be protected liquid crystal display module, ensures that liquid crystal display module can not damage in testing.

Accompanying drawing explanation

Fig. 1 is the structured flowchart of a kind of embodiment of the utility model.

Fig. 2 is the structured flowchart of the another kind of embodiment of the utility model.

Fig. 3 is the structured flowchart of the another kind of embodiment of the utility model.

Embodiment

Preferred implementation of the present utility model is described in detail below in conjunction with accompanying drawing.

In order to reach the purpose of this utility model, as shown in Figure 1, in wherein a kind of embodiment of the present utility model, provide a kind of V-BY-ONE signal generation device, comprising:

First memory, comprises 4 DDR3;

Two change-over circuits, its input end is electrically connected with the output terminal of LVDS output end of image mouth;

Below principle of work of the present utility model is described further:

Step one, backlight electric power output port export backlight electric power after being communicated with power supply and are lighted by liquid crystal display module;

Step 2, LVDS image collecting device receive outside board input LVDS view data and stored in first memory;

Step 3, image times frequency module reads the LVDS view data in first memory and this LVDS view data is carried out the increase of image field frequency, is then exported by LVDS output end of image mouth;

Step 4, change-over circuit convert LVDS view data to V-BY-ONE signal, finally by V-BY-ONE interface module to liquid crystal display module output image.

As shown in Figure 2, in order to optimize implementation result of the present utility model further, in another kind of embodiment of the present utility model, on the basis of foregoing teachings, also be provided with memory module, the output terminal of memory module is electrically connected with a LVDS image collecting device in two LVDS image collecting devices.

In order to optimize implementation result of the present utility model further, in another kind of embodiment of the present utility model, on the basis of foregoing teachings, above-mentioned V-BY-ONE interface module comprises V-BY-ONE receiving port, V-BY-ONE output port and second memory, and second memory is arranged between V-BY-ONE receiving port, V-BY-ONE output port.

As shown in Figure 3; in order to optimize implementation result of the present utility model further; in another kind of embodiment of the present utility model; on the basis of foregoing teachings; also be provided with protection circuit; it is arranged between two LVDS image collecting devices and power supply, and protection circuit is also arranged between backlight electric power output port and power supply.

Above-described is only preferred implementation of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.

Claims

1.V-BY-ONE signal generation device, is characterized in that, comprising:

First memory;

FPGA, comprise two LVDS image collecting devices, an image times frequency module and a LVDS output end of image mouth, described two LVDS image collecting devices are electrically connected with the input end of described first memory, the input end of described image times frequency module is electrically connected with the output terminal of described first memory, and the input end of described LVDS output end of image mouth is electrically connected with the output terminal of described image times frequency module;

Two V-BY-ONE interface modules, it is electrically connected with the output terminal of described change-over circuit.

2. V-BY-ONE signal generation device according to claim 1, is characterized in that, be also provided with memory module, and the output terminal of described memory module is electrically connected with the arbitrary LVDS image collecting device in two LVDS image collecting devices.

3. V-BY-ONE signal generation device according to claim 1, is characterized in that, described first memory is DDR3 or DDR2.

4. V-BY-ONE signal generation device according to claim 3, is characterized in that, described first memory is multiple.

5. V-BY-ONE signal generation device according to claim 1, it is characterized in that, described V-BY-ONE interface module comprises V-BY-ONE receiving port, V-BY-ONE output port and second memory, and described second memory is arranged between described V-BY-ONE receiving port, V-BY-ONE output port.

6. V-BY-ONE signal generation device according to claim 1, is characterized in that, be also provided with protection circuit, and it is arranged between described two LVDS image collecting devices and power supply.

7. V-BY-ONE signal generation device according to claim 6, is characterized in that, described protection circuit is also arranged between described backlight electric power output port and power supply.