CN205539803U - A MIPI interface signals source for LCD screen detects - Google Patents
A MIPI interface signals source for LCD screen detects Download PDFInfo
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- CN205539803U CN205539803U CN201620115499.5U CN201620115499U CN205539803U CN 205539803 U CN205539803 U CN 205539803U CN 201620115499 U CN201620115499 U CN 201620115499U CN 205539803 U CN205539803 U CN 205539803U
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Abstract
The utility model relates to a signal source, especially a MIPI interface signals source for LCD screen detects belong to the technical field that the LCD screen detected. According to the utility model provides a technical scheme, a MIPI interface signals source for LCD screen detects includes the MIPI module that is used for producing the signal modules of detected signal and is used for being the RGB signal conversion of signal modules production the MIPI signal, signal modules is connected with the input of MIPI module, and the MIPI module is through interface module and wait to detect LCD screen accordant connection to MIPI signal loading to the LCD screen of treating the detection that will be used for the detection. The utility model discloses compact structure can adapt to the detection of different LCD screens, reduces and detects the cost, and accommodation is wide, convenient to use, safe and reliable.
Description
Technical field
This utility model relates to a kind of signal source, a kind of MIPI interface signal source for liquid crystal display screen detection, belongs to the technical field of liquid crystal display screen detection.
Background technology
Society is in development, people are improving, nowadays society's mobile phone has become the requisite instrument of daily life, Mobile phone screen more becomes key point therein, the detection of liquid crystal display screen becomes a fast-developing industry, it is generally integrated circuit series products before dispatching from the factory, is required for product is carried out dynamic aging test, thus filter out failed product in early days, promote the quality level of whole product.Existing liquid crystal display screen sensed signal sources is typically a kind of large-scale signal source by keyset external MIPI module, then contact with liquid crystal display screen, every signal source one computer of configuration, costly and profile greatly, therefore whole Man's Demands can not be met.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of MIPI interface signal source for liquid crystal display screen detection, its compact conformation, adapts to the detection of different liquid crystal display screen, reduces testing cost, and wide accommodation is easy to use, safe and reliable.
The technical scheme provided according to this utility model, the described MIPI interface signal source for liquid crystal display screen detection, including for producing the signaling module of detection signal and for the rgb signal that signaling module produces being converted to the MIPI module of MIPI signal, described signaling module is connected with the input of MIPI module, MIPI module is connected with liquid crystal display screen to be detected coupling by interface module, with the MIPI signal loading by being used for detection to liquid crystal display screen to be detected.
Also including the backlight voltage module being connected and providing described liquid crystal display screen backlight voltage to be detected with liquid crystal display screen to be detected, described backlight voltage module is connected with signaling module.
Described signaling module includes PLD and the memory module being connected with described PLD, and described PLD is connected with programming module.
Described PLD is also connected with RS485 interface and USB interface.
Described signaling module is also connected with the switch module for control signal.
Advantage of the present utility model: the RGB that signaling module can produce correspondence according to the detection firmware of programming module programming detects signal, RGB can be detected signal and be converted to MIPI detection signal by MIPI module, and be loaded on liquid crystal display screen to be detected by interface module, it is thus possible to realize the required detection to liquid crystal display screen, compact conformation, adapt to the detection of different liquid crystal display screen, reduce testing cost, wide accommodation, easy to use, safe and reliable.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
Description of reference numerals: 1-signaling module, 2-PLD, 3-memory module, 4-USB interface, 5-programming module, 6-RS485 interface, 7-signal conversion module, 8-MIPI module, 9-backlight voltage module, 10-interface module and 11-switch module.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in Figure 1: in order to adapt to the detection of different liquid crystal display screen, reduce testing cost, this utility model includes the signaling module 1 for producing detection signal and for the rgb signal that signaling module 1 produces is converted to the MIPI module 8 of MIPI signal, described signaling module 1 is connected with the input of MIPI module 8, MIPI module 8 is connected with liquid crystal display screen to be detected coupling by interface module 10, with the MIPI signal loading by being used for detection to liquid crystal display screen to be detected.
Specifically, for liquid crystal display screen to be detected, being connected with described liquid crystal display screen by interface module 10, the concrete form of interface module 10 matches with liquid crystal display screen to be detected, and specially known to those skilled in the art, here is omitted.After being connected with liquid crystal display screen to be detected by interface module 10, signaling module 1 can produce the detection signal of RGB form, described RGB detection signal is converted into MIPI signal by MIPI module 8, and is loaded on liquid crystal display screen to be detected by interface module 10, to realize the detection process to liquid crystal display screen.In this utility model embodiment, the mode of paired cabling is used to transmit MIPI signal, it is thus possible to be greatly enhanced capacity of resisting disturbance.Usually, MIPI module 8 includes signal conversion module 7, and MIPI module 8 can be with the form using the art to commonly use, and specially known to those skilled in the art, here is omitted.
Further, also including the backlight voltage module 9 being connected and providing described liquid crystal display screen backlight voltage to be detected with liquid crystal display screen to be detected, described backlight voltage module 9 is connected with signaling module 1.In this utility model embodiment, providing the backlight voltage needed for liquid crystal display screen to be detected by backlight voltage module 9, backlight voltage module 9 exports the concrete numerical value of backlight voltage and determines according to liquid crystal display screen to be detected.When being embodied as, backlight voltage module 9, signaling module 1 and MIPI module 8 and interface module 10 are positioned on same circuit board, also there is on described circuit board offer signaling module 1, MIPI module 8, power module needed for backlight voltage module 9 and interface module 10, power module can be with the form using the art to commonly use, as long as signaling module 1 can be met, MIPI module 8, backlight voltage module 9 and the work requirements of interface module 10, backlight voltage module 9 can also use the circuit structure that the art is conventional, it is specially known to those skilled in the art, here is omitted.
Further, described signaling module 1 includes PLD 2 and the memory module 3 being connected with described PLD 2, and described PLD 2 is connected with programming module 5.
In this utility model embodiment, PLD 2 can use the logical devices such as FPGA, memory module 3 can be to use conventional storage form, programming module 5 can coordinate the corresponding firmware that detects of programming in memory module 3 with PLD 2, and the RGB that PLD 2 can produce correspondence according to the detection firmware in memory module 3 detects signal.When different liquid crystal display screens are detected or liquid crystal display screen is carried out different detection projects, firmware can be detected accordingly by programming module 5 programming such that it is able to improve the adaptability that liquid crystal display screen is detected.Programming module 5 is that known to those skilled in the art, here is omitted with the engagement process of PLD 2.
Described PLD 2 is also connected with RS485 interface 6 and USB interface 4.When there being multiple signal source, can be connected by RS485 interface between multiple signal sources, the PLD 2 in i.e. two adjacent signal sources can be carried out data transmission by RS485 interface 6, meets the needs that multiple signal source connects.
Described signaling module 1 is also connected with the switch module 11 for control signal.In this utility model embodiment, switch module 11 mainly can input the signal such as open and close, upset in PLD 2, the RGB that correspondence was opened, and closed or controlled to PLD 2 according to switch module 11 detects signal, switch module 11 can be realized by key circuit etc., being specially known to those skilled in the art, here is omitted.
The RGB that this utility model signaling module 1 can produce correspondence according to the detection firmware of programming module 5 programming detects signal, RGB can be detected signal and be converted to MIPI detection signal by MIPI module 8, and be loaded on liquid crystal display screen to be detected by interface module 10, it is thus possible to realize the required detection to liquid crystal display screen, compact conformation, adapt to the detection of different liquid crystal display screen, reduce testing cost, wide accommodation, easy to use, safe and reliable.
The above; it is only this utility model preferably specific implementation method; but protection domain of the present utility model is not limited thereto; any it is familiar with those skilled in the art in the technical scope that this utility model discloses; according to the technical solution of the utility model and inventive concept equivalent or change in addition thereof, all should contain in protection domain of the present utility model.
Claims (5)
1. the MIPI interface signal source for liquid crystal display screen detection, it is characterized in that: include the signaling module (1) for producing detection signal and for the rgb signal that signaling module (1) produces being converted to the MIPI module (8) of MIPI signal, described signaling module (1) is connected with the input of MIPI module (8), MIPI module (8) is connected with liquid crystal display screen to be detected coupling by interface module (10), with the MIPI signal loading by being used for detection to liquid crystal display screen to be detected.
MIPI interface signal source for liquid crystal display screen detection the most according to claim 1, it is characterized in that: also including being connected with liquid crystal display screen to be detected and providing the backlight voltage module (9) of described liquid crystal display screen backlight voltage to be detected, described backlight voltage module (9) is connected with signaling module (1).
MIPI interface signal source for liquid crystal display screen detection the most according to claim 1, it is characterized in that: described signaling module (1) includes PLD (2) and the memory module (3) being connected with described PLD (2), and described PLD (2) is connected with programming module (5).
MIPI interface signal source for liquid crystal display screen detection the most according to claim 3, is characterized in that: described PLD (2) is also connected with RS485 interface (6) and USB interface (4).
MIPI interface signal source for liquid crystal display screen detection the most according to claim 1, is characterized in that: described signaling module (1) is also connected with the switch module (11) for control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620115499.5U CN205539803U (en) | 2016-02-04 | 2016-02-04 | A MIPI interface signals source for LCD screen detects |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620115499.5U CN205539803U (en) | 2016-02-04 | 2016-02-04 | A MIPI interface signals source for LCD screen detects |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107578734A (en) * | 2017-08-29 | 2018-01-12 | 深圳市峰泳科技有限公司 | The generating means and production method of a kind of rgb signal |
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2016
- 2016-02-04 CN CN201620115499.5U patent/CN205539803U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107578734A (en) * | 2017-08-29 | 2018-01-12 | 深圳市峰泳科技有限公司 | The generating means and production method of a kind of rgb signal |
| CN107578734B (en) * | 2017-08-29 | 2018-10-26 | 深圳市峰泳科技有限公司 | A kind of generating means and production method of rgb signal |
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