CN201514750U - Multifunctional liquid crystal display (LCD) module testing system - Google Patents
Multifunctional liquid crystal display (LCD) module testing system Download PDFInfo
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- CN201514750U CN201514750U CN2009202190221U CN200920219022U CN201514750U CN 201514750 U CN201514750 U CN 201514750U CN 2009202190221 U CN2009202190221 U CN 2009202190221U CN 200920219022 U CN200920219022 U CN 200920219022U CN 201514750 U CN201514750 U CN 201514750U
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- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 22
- 239000002131 composite material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 7
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Abstract
The utility model discloses a multifunctional liquid crystal display (LCD) module testing system comprising a power module, a multimedia control module, a storage module, an audio output module, an LED driving module, a data input and output interface, a video output interface and a time schedule controller, wherein the storage module is connected at a data terminal of the multimedia control module; an audio data output terminal of the multimedia control module is connected with the audio output module; an output terminal of the audio output module is connected with a speaker; the data input and output interface and the video output interface are respectively connected at the data terminal of the multimedia control module; an LCD output terminal of the multimedia control module is connected with the time schedule controller which is connected with a liquid crystal output interface; the multimedia control module is connected with the LED driving module which drives backlight LED of LCD; and the power module supplies power for all the modules in the system. The multifunctional liquid crystal display (LCD) module testing system can save a great amount of testing costs, has simple operation, and is convenient for production control.
Description
Technical field
The utility model discloses a kind of test macro, and particularly a kind of multi-functional liquid crystal shows the module test macro.
Background technology
Along with the development of lcd technology, the application of lcd technology in people's life more and more widely when producing, tested the step that is absolutely necessary to the liquid crystal display module.At present, the test of liquid crystal display module mainly is based on signal generator, such as: VG828, Chroma27011 etc., the needs several thousand that price is the most cheap, have several ten thousand even tens0000, cause the LCM testing cost too high, and the test signal that different size LCM needs is different, need purchases the signal generator of a large amount of different models, to satisfy test request, be difficult for the production management and control.
Summary of the invention
At the above-mentioned liquid crystal display module testing cost height of mentioning of the prior art, the shortcoming of production management and control endlessly, the utility model provides a kind of special test macro, can satisfy the LCM test request of multiple different model, effectively addresses the above problem.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of multi-functional liquid crystal shows the module test macro, test macro comprises power module, the multimedia control module, memory module, the audio frequency output module, the LED driver module, data input/output interface, video output interface and time schedule controller, memory module is connected on the data terminal of multimedia control module, the voice data output terminal of multimedia control module is connected with the audio frequency output module, be connected with loudspeaker on the output terminal of audio frequency output module, data input/output interface and video output interface are connected on the data terminal of multimedia control module, be connected with time schedule controller on the liquid crystal display output terminal of multimedia control module, be connected with the liquid crystal output interface on the time schedule controller, be connected with the LED driver module on the multimedia control module, the LED driver module drives the LED backlight of liquid crystal display, and power module is given each module for power supply in the system.
The technical scheme that its technical matters that solves the utility model adopts further comprises:
Described memory module includes DDR storer, Nor Flash storer and Nand Flash storer.
Described data input/output interface includes CF interface, SD/MMC/MS/XD interface, standard USB interface and mini USB interface.
Described video output interface comprises VGA interface, S-Video interface and Composite Video interface.
Also include infrared ray transmitting-receiving interface in the described system, infrared ray transmitting-receiving interface is connected with the data terminal of multimedia control module.
Also include the electric weight testing circuit in the described system, electric weight testing circuit input end is connected power input, the work of electric weight testing circuit control power module.
The beneficial effects of the utility model are: the utility model adopts special test macro to replace existing signal generator LCM is tested, and not only can save a large amount of testing costs, and simple to operate, is convenient to the production management and control.
Below in conjunction with the drawings and specific embodiments the utility model is described further.
Description of drawings
Fig. 1 is the utility model circuit block diagram.
Fig. 2 is the utility model first circuit theory diagrams.
Fig. 3 is the utility model second portion circuit theory diagrams.
Fig. 4 is the utility model third part circuit theory diagrams.
Fig. 5 is the utility model the 4th partial circuit schematic diagram.
Fig. 6 is the utility model the 5th partial circuit schematic diagram.
Fig. 7 is the utility model the 6th partial circuit schematic diagram.
Embodiment
Present embodiment is the utility model preferred implementation, and other all its principles are identical with present embodiment or approximate with basic structure, all within the utility model protection domain.
Please referring to accompanying drawing 1 to accompanying drawing 7, the utility model mainly comprises a multimedia control module, the multimedia control module is a nucleus module of the present utility model, in the present embodiment, the multimedia control module is a multimedia control chip U1, it is the chip of MP612 that multimedia control chip U1 adopts model, be connected with DDR storer U2, Nor Flash storer U3 and Nand Flash storer U6 on the data terminal of multimedia control chip U1 respectively, in the present embodiment, the DDR storer adopts the storer of 8M.Multimedia control chip U1 and DDR storer U2, Nor Flash storer U3 and Nand Flash storer U6 form control system of the present utility model.Be connected with memory card interface CON2 on the data terminal of multimedia control chip U1, in the present embodiment, memory card interface CON2 adopts four unification memory card interfaces, and can peg graft simultaneously SD or MMC or MS or XD storage card, memory card interface CON2 are the main data input/output interface of the utility model.In the present embodiment, be connected with two USB interface on the USB interface end of multimedia control chip U1, one is standard USB interface CN2, another is MINI USB interface CN1, two USB interface are similarly data input/output interface of the present utility model, be connected with a RS-232 interface on the serial line interface end of multimedia control chip U1, can carry out serial data transmission.Be connected with the audio frequency output module on the multimedia control chip U1, the audio frequency output module adopts Audio Processing chip U8, in the present embodiment, it is the Audio Processing chip of ALC202 that Audio Processing chip U8 adopts model, the voice data of Audio Processing chip U8 is exported to audio frequency power amplifier chip U9, U9 can be used to drive loudspeaker by the audio frequency power amplifier chip, and in the present embodiment, it is EUA5202 that audio frequency power amplifier chip U9 adopts model.Be connected with time schedule controller on the multimedia control chip U1, can be used to drive LCD by time schedule controller and show, also be connected with the LED driver module on the multimedia control chip U1 simultaneously, be used for driving the LED backlight of LCD display.Also be connected with video output interface on the multimedia control chip U1 moral video output terminals, in the present embodiment, video output interface includes VGA interface, S-Video interface and Composite Video interface, can connect different display device respectively.
The utility model also comprises a power module of giving each module for power supply, in the present embodiment, adopts 2.5V voltage stabilizing chip U13,1.8V voltage stabilizing chip U14 and 3.3V voltage stabilizing chip U15 to provide 2.5V, 1.8V, 3.3V supply voltage to system respectively.
Can realize the multiple different video interface and the input of audio interface by the utility model, and can realize that different memory carries out input and output, diverse in function with different data-interfaces.
The utility model adopts special test macro to replace existing signal generator LCM is tested, and not only can save a large amount of testing costs, and simple to operate, is convenient to the production management and control.
Claims (6)
1. a multi-functional liquid crystal shows the module test macro, it is characterized in that: described test macro comprises power module, the multimedia control module, memory module, the audio frequency output module, the LED driver module, data input/output interface, video output interface and time schedule controller, memory module is connected on the data terminal of multimedia control module, the voice data output terminal of multimedia control module is connected with the audio frequency output module, be connected with loudspeaker on the output terminal of audio frequency output module, data input/output interface and video output interface are connected on the data terminal of multimedia control module, be connected with time schedule controller on the liquid crystal display output terminal of multimedia control module, be connected with the liquid crystal output interface on the time schedule controller, be connected with the LED driver module on the multimedia control module, the LED driver module drives the LED backlight of liquid crystal display, and power module is given each module for power supply in the system.
2. multi-functional liquid crystal according to claim 1 shows the module test macro, and it is characterized in that: described memory module includes DDR storer, Nor Flash storer and Nand Flash storer.
3. multi-functional liquid crystal according to claim 1 shows the module test macro, and it is characterized in that: described data input/output interface includes CF interface, SD/MMC/MS/XD interface, standard USB interface and mini USB interface.
4. multi-functional liquid crystal according to claim 1 shows the module test macro, and it is characterized in that: described video output interface comprises VGA interface, S-Video interface and Composite Video interface.
5. multi-functional liquid crystal according to claim 1 shows the module test macro, it is characterized in that: also include infrared ray transmitting-receiving interface in the described system, infrared ray transmitting-receiving interface is connected with the data terminal of multimedia control module.
6. show the module test macro according to any described multi-functional liquid crystal in the claim 1 to 5, it is characterized in that: also include the electric weight testing circuit in the described system, electric weight testing circuit input end is connected power input, the work of electric weight testing circuit control power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202190221U CN201514750U (en) | 2009-09-29 | 2009-09-29 | Multifunctional liquid crystal display (LCD) module testing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202190221U CN201514750U (en) | 2009-09-29 | 2009-09-29 | Multifunctional liquid crystal display (LCD) module testing system |
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| CN201514750U true CN201514750U (en) | 2010-06-23 |
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| CN2009202190221U Expired - Fee Related CN201514750U (en) | 2009-09-29 | 2009-09-29 | Multifunctional liquid crystal display (LCD) module testing system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592530A (en) * | 2012-02-29 | 2012-07-18 | 信利半导体有限公司 | Detecting equipment of liquid crystal display module |
| CN104103251A (en) * | 2014-06-06 | 2014-10-15 | 致茂电子(苏州)有限公司 | Time sequence controller detection device and method thereof |
| CN104123900A (en) * | 2014-07-25 | 2014-10-29 | 西安诺瓦电子科技有限公司 | LED (light-emitting diode) lamp panel calibration system and method |
-
2009
- 2009-09-29 CN CN2009202190221U patent/CN201514750U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592530A (en) * | 2012-02-29 | 2012-07-18 | 信利半导体有限公司 | Detecting equipment of liquid crystal display module |
| CN104103251A (en) * | 2014-06-06 | 2014-10-15 | 致茂电子(苏州)有限公司 | Time sequence controller detection device and method thereof |
| CN104123900A (en) * | 2014-07-25 | 2014-10-29 | 西安诺瓦电子科技有限公司 | LED (light-emitting diode) lamp panel calibration system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN K+D OPTOELECTRONICS CO., LTD. Free format text: FORMER OWNER: SHENZHEN K+D TECHNOLOGY CO., LTD. Effective date: 20110608 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518000 ROOM 1910-1917, BUILDING A, XINGHE CENTURY BUILDING, CAITIAN ROAD, FUTIAN CENTRAL DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE TO: 518000 4/F, WEST TOWER, FACTORY BUILDING OF LAOBING HENGFANG INDUSTRY CITY, XINGYE ROAD, XIXIANG SUBDISTRICT OFFICE, BAOAN DISTRICT, SHENZHEN CITY |
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| TR01 | Transfer of patent right |
Effective date of registration: 20110608 Address after: 518000 Shenzhen city Baoan District street Xixiang Xingye Road veteran Hengfang industrial city building 4 floor West Patentee after: SHENZHEN K&D PHOTOELECTRIC CO., LTD. Address before: Guangdong Xinghe CaiTian road Century Towers, A 518000 Shenzhen City Futian District building room 1910-1917 Patentee before: Shenzhen K&D Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100623 Termination date: 20160929 |