CN102929004A - Test system for liquid crystal display screen with mobile industry processor interface (MIPI) - Google Patents
Test system for liquid crystal display screen with mobile industry processor interface (MIPI) Download PDFInfo
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- CN102929004A CN102929004A CN2012103615992A CN201210361599A CN102929004A CN 102929004 A CN102929004 A CN 102929004A CN 2012103615992 A CN2012103615992 A CN 2012103615992A CN 201210361599 A CN201210361599 A CN 201210361599A CN 102929004 A CN102929004 A CN 102929004A
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Abstract
The invention discloses a test system for a liquid crystal display screen with a mobile industry processor interface (MIPI). The test system comprises a direct current-direct current (DC-DC) power module, a program download module, a data storage module, a display screen module, a control key module, a bidirectional data buffer module, an ARM9 core circuit module, an MIPI bridging conversion module and a test host output interface, wherein the DC-DC power module is respectively connected to the control key module and the test host output interface; the ARM9 core circuit module is respectively connected with the program download module, the control key module and the bidirectional data buffer module; the data storage module is respectively connected with the program download module and the display screen module; the display screen module is further connected with the control key module; and the MIPI bridging conversion module is respectively connected with the bidirectional data buffer module and the test host output interface. The test system can have a general functional test on a liquid crystal display screen with an MIPI, and has high generality.
Description
Technical field
The present invention relates to field of liquid crystal, relate in particular to a kind of test macro of the LCDs be used to having the MIPI interface.
Background technology
Along with progressively developing of smart mobile phone, former low and middle-end LCDs can not satisfy the user shows mass data to display screen demand, and increasing mobile phone operator transfers to the advanced liquid crystal display screen to investment sight.Answer this requirement, a kind of novel communication interface mode MIPI (Mobile Industry Processor Interface, mobile industry processor interface) arises at the historic moment.Mobile industry processor interface (MIPI) alliance is initiated to set up by ARM, Nokia, STMicw Electronics and Texas Instrument.As mobile industry leader's cooperative association, MIPI alliance is intended to determine and promote the open standard of mobile Application Processor Interface.By means of these open standards, MIPI alliance can be standard hardware and the software interface of mobile application processor and establishes standard, encourages the employing of open standard in whole industry value chain, thereby accelerates to promote to the mobile subscriber process of new service.Therefore, new advanced liquid crystal display screen mostly has the MIPI interface.
Given this, a kind of brand-new testing scheme need to have been proposed to the LCDs with MIPI interface, need to be complete, test out the functional defect of product itself perfectly.
Summary of the invention
The purpose of this invention is to provide a kind of test macro that liquid crystal display with MIPI interface is tested.
For solving technical matters of the present invention, the test macro of a kind of LCDs for the MIPI interface of the disclosure of the present invention, it comprises the DC-DC power module, the program download module, data memory module, display panel module, the control key-press module, the bidirectional data buffer module, ARM9 core circuit module, MIPI bridge joint modular converter and Test Host output interface, wherein, the DC-DC power module is connected to respectively control key-press module and Test Host output interface, ARM9 core circuit module respectively with the program download module, the control key-press module is connected with the bidirectional data buffer module, data memory module is connected with display panel module with the program download module respectively, display panel module further is connected with the control key-press module, and MIPI bridge joint modular converter is connected with the Test Host output interface with the bidirectional data buffer module respectively.
Wherein, the Test Host output interface further is connected to the LCD MODULE with MIPI interface to be measured.
Wherein, data memory module adopts the NAND FLASH chip K9F1208U0C of Samsung.
Wherein, guarantee replacement reset key and a plurality of procedure Selection button of control key-press module.
Wherein, the bidirectional data buffer module adopts chip 74ALVC164245.
Wherein, ARM9 core circuit module adopts the S3C2410 of Samsung as main control chip.
Wherein, it is characterized in that, ARM9 core circuit module adopts the passive crystal oscillator of 12MHZ.
Wherein, it is characterized in that, MIPI bridge joint modular converter adopts the chip SSD2825 of the Taiwan SOLOMON of manufacturer.
Wherein, it is characterized in that, the Test Host output interface adopts the 40PIN interface definition.
Compared with prior art, test macro of the present invention can carry out general functional test to the LCDs with MIPI interface, has larger versatility.
Description of drawings
Fig. 1 is the schematic diagram of the test macro of the liquid crystal display be used to having the MIPI interface of the present invention.
Embodiment
As shown in Figure 1, the test macro of the liquid crystal display be used to having the MIPI interface of the present invention comprises DC-DC power module, program download module, data memory module, display panel module, control key-press module, bidirectional data buffer module, ARM9 core circuit module, MIPI bridge joint modular converter and Test Host output interface.Wherein, the DC-DC power module is connected to respectively control key-press module and Test Host output interface; ARM9 core circuit module is connected with the bidirectional data buffer module with program download module, control key-press module respectively; Data memory module is connected with display panel module with the program download module respectively; Display panel module further is connected with the control key-press module; MIPI bridge joint modular converter is connected with the Test Host output interface with the bidirectional data buffer module respectively; The Test Host output interface further is connected to the LCD MODULE with MIPI interface to be measured.
The DC-DC power module is used for direct supply is changed, and provides the direct supply of multiple different voltages to use for each module.The program download module is used for downloading test procedure.Data memory module mainly uses Samsung NAND FLASH chip K9F1208U0C as the system storage chip, is used for storing test program, image data.It is the LCDs of 320*240 that display panel module adopts resolution, is mainly used in the man-machine communication, is used for selecting test procedure to use.Control key-press module mainly guarantee replacement reset key S1 and procedure Selection button S2, procedure Selection button S3 and procedure Selection button S4; Reset key S1 realizes reset function by reset chip MAX708.The bidirectional data buffer module adopts chip 74ALVC164245(PHILIPS), it is used for showing that rgb signal carries out 3.3V to the level conversion of 1.8V, simultaneously finish the data-interface bi-directional communication function by ARM9 core circuit module controls, namely can realize the function of read and write.
ARM9 core circuit module adopts the S3C2410 of Samsung as main control chip, realizes the operation and control of whole system, its constantly from data memory module the fetch program data keep the whole system normal operation to internal memory.ARM9 core circuit module adopts the passive crystal oscillator of 12MHZ, and system's highest frequency can reach 200HZ, and can arrange numerical value for the various clocks of adjusting of different size specification LCDs by register.The chip SSD2825 that MIPI bridge joint modular converter adopts the Taiwan SOLOMON of manufacturer to provide realizes the conversion of RGB data-signal and control signal, and relevant data-switching is become the data that the MIPI agreement can be identified, and is sent to LCD driver (DRIVER).The Test Host output interface adopts the 40PIN interface definition, can satisfy volume production and use, and is easy to use.
The test macro of the liquid crystal display be used to having the MIPI interface of the present invention mainly adopts the ARM9 acp chip S3C2410 of Samsung as main control chip, realization is to the control of whole test macro, test picture data communication device is crossed the control inputs of alternating interface between man and computer, and by MIPI bridge joint conversion chip test picture data-switching is become to follow the high speed MIPI data-signal of MIPI agreement, high speed MIPI data-signal arrives the driver of LCD MODULE through the MIPI passage, the driver of LCD MODULE is after receiving the MIPI signal, through self decoding homing action, the control LCDs realizes the Presentation Function of sheet data, thereby realizes the test to LCD MODULE.
Compared with prior art, the present invention can realize the test of LCDs industry MIPI interface product general utility functions, has larger versatility, can support nearly 4 channel signal communications, and the single channel data rate is the highest can to reach 2.4 G bps.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that implementation of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (9)
1. test macro that is used for the LCDs of MIPI interface, it is characterized in that comprising the DC-DC power module, the program download module, data memory module, display panel module, the control key-press module, the bidirectional data buffer module, ARM9 core circuit module, MIPI bridge joint modular converter and Test Host output interface, wherein, the DC-DC power module is connected to respectively control key-press module and Test Host output interface, ARM9 core circuit module respectively with the program download module, the control key-press module is connected with the bidirectional data buffer module, data memory module is connected with display panel module with the program download module respectively, display panel module further is connected with the control key-press module, and MIPI bridge joint modular converter is connected with the Test Host output interface with the bidirectional data buffer module respectively.
2. test macro according to claim 1 is characterized in that, the Test Host output interface further is connected to the LCD MODULE with MIPI interface to be measured.
3. test macro according to claim 1 is characterized in that, data memory module adopts the NAND FLASH chip K9F1208U0C of Samsung.
4. test macro according to claim 1 is characterized in that, control key-press module guarantee replacement reset key and a plurality of procedure Selection button.
5. test macro according to claim 1 is characterized in that, the bidirectional data buffer module adopts chip 74ALVC164245.
6. test macro according to claim 1 is characterized in that, ARM9 core circuit module adopts the S3C2410 of Samsung as main control chip.
7. test macro according to claim 1 is characterized in that, ARM9 core circuit module adopts the passive crystal oscillator of 12MHZ.
8. test macro according to claim 1 is characterized in that, MIPI bridge joint modular converter adopts the chip SSD2825 of the Taiwan SOLOMON of manufacturer.
9. test macro according to claim 1 is characterized in that, the Test Host output interface adopts the 40PIN interface definition.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941436A (en) * | 2014-03-31 | 2014-07-23 | 京东方科技集团股份有限公司 | Display module testing and displaying system and application method thereof |
| CN104240627A (en) * | 2014-09-18 | 2014-12-24 | 深圳市显创光电有限公司 | Liquid-crystal display module testing device |
| CN104360511A (en) * | 2014-11-25 | 2015-02-18 | 武汉精测电子技术股份有限公司 | MIPI module test method and test system realizing two modes |
| CN104575345A (en) * | 2015-01-15 | 2015-04-29 | 武汉精测电子技术股份有限公司 | OLED module test system and test method |
| CN105023549A (en) * | 2015-07-15 | 2015-11-04 | 武汉精测电子技术股份有限公司 | Resolution-adaptive MIPI (mobile industry processor interface) graph signal generation device and method |
| CN105208312A (en) * | 2015-09-17 | 2015-12-30 | 武汉精测电子技术股份有限公司 | MIPI signal generation method and device supporting compression mode |
| CN106054418A (en) * | 2016-07-11 | 2016-10-26 | 深圳天珑无线科技有限公司 | Detection method and detection device for LCD (Liquid Crystal Display) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM362493U (en) * | 2009-03-05 | 2009-08-01 | Hiromi System Co Ltd | Testing device for display |
| US20090235120A1 (en) * | 2008-03-14 | 2009-09-17 | Apple Inc. | Systems and methods for testing a peripheral interfacing with a processor according to a MIPI protocol |
| CN201348686Y (en) * | 2008-12-19 | 2009-11-18 | 宁波高新区七鑫旗科技有限公司 | System for testing small-size LCD module |
| KR20120012771A (en) * | 2011-12-09 | 2012-02-10 | 주식회사 지엔티시스템즈 | Apparatus for Testing display modules with a Jig having MIPI Bridge Module |
| CN202167216U (en) * | 2011-08-15 | 2012-03-14 | 深圳腾阳光电有限公司 | Modular test platform system for small and medium-sized liquid crystal display screens |
-
2012
- 2012-09-26 CN CN201210361599.2A patent/CN102929004B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090235120A1 (en) * | 2008-03-14 | 2009-09-17 | Apple Inc. | Systems and methods for testing a peripheral interfacing with a processor according to a MIPI protocol |
| CN201348686Y (en) * | 2008-12-19 | 2009-11-18 | 宁波高新区七鑫旗科技有限公司 | System for testing small-size LCD module |
| TWM362493U (en) * | 2009-03-05 | 2009-08-01 | Hiromi System Co Ltd | Testing device for display |
| CN202167216U (en) * | 2011-08-15 | 2012-03-14 | 深圳腾阳光电有限公司 | Modular test platform system for small and medium-sized liquid crystal display screens |
| KR20120012771A (en) * | 2011-12-09 | 2012-02-10 | 주식회사 지엔티시스템즈 | Apparatus for Testing display modules with a Jig having MIPI Bridge Module |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941436A (en) * | 2014-03-31 | 2014-07-23 | 京东方科技集团股份有限公司 | Display module testing and displaying system and application method thereof |
| WO2015149526A1 (en) * | 2014-03-31 | 2015-10-08 | 京东方科技集团股份有限公司 | Display module testing and displaying system and application method thereof |
| CN103941436B (en) * | 2014-03-31 | 2017-02-08 | 京东方科技集团股份有限公司 | Display module testing and displaying system and application method thereof |
| CN104240627A (en) * | 2014-09-18 | 2014-12-24 | 深圳市显创光电有限公司 | Liquid-crystal display module testing device |
| CN104360511A (en) * | 2014-11-25 | 2015-02-18 | 武汉精测电子技术股份有限公司 | MIPI module test method and test system realizing two modes |
| CN104575345A (en) * | 2015-01-15 | 2015-04-29 | 武汉精测电子技术股份有限公司 | OLED module test system and test method |
| CN104575345B (en) * | 2015-01-15 | 2017-02-01 | 武汉精测电子技术股份有限公司 | OLED module test system and test method |
| CN105023549A (en) * | 2015-07-15 | 2015-11-04 | 武汉精测电子技术股份有限公司 | Resolution-adaptive MIPI (mobile industry processor interface) graph signal generation device and method |
| CN105208312A (en) * | 2015-09-17 | 2015-12-30 | 武汉精测电子技术股份有限公司 | MIPI signal generation method and device supporting compression mode |
| CN106054418A (en) * | 2016-07-11 | 2016-10-26 | 深圳天珑无线科技有限公司 | Detection method and detection device for LCD (Liquid Crystal Display) |
| CN106054418B (en) * | 2016-07-11 | 2020-05-15 | 浙江华懋光电科技有限公司 | LCD detection method and detection device |
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| CN102929004B (en) | 2015-01-07 |
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