CN102591046A - Method for testing RGB (red, green and blue) interface of liquid crystal screen - Google Patents
Method for testing RGB (red, green and blue) interface of liquid crystal screen Download PDFInfo
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- CN102591046A CN102591046A CN2012100600980A CN201210060098A CN102591046A CN 102591046 A CN102591046 A CN 102591046A CN 2012100600980 A CN2012100600980 A CN 2012100600980A CN 201210060098 A CN201210060098 A CN 201210060098A CN 102591046 A CN102591046 A CN 102591046A
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Abstract
The invention provides a method for testing an RGB (red, green and blue) interface of a liquid crystal screen. The method includes a step 1, providing a testing jig; a step 2, electrically connecting the liquid crystal screen to be tested with a control module and a backlight source driving module; a step 3, switching on a power source of the testing jig, and detecting the backlight source driving module and a liquid crystal driving module by the aid of a microprocessor; a step 4, transmitting an alarm if the microprocessor detects that the backlight source driving module or the liquid crystal driving module is abnormal, and initiating the backlight source driving module and the liquid crystal driving module if the microprocessor detects that the backlight source driving module and the liquid crystal driving module are normal; a step 5, controlling the backlight source driving module to drive a backlight source of the liquid crystal screen to work by the aid of the controller, and initiating the liquid crystal screen by the aid of the liquid crystal driving module; a step 6, displaying a corresponding image on the liquid crystal screen according to a testing signal; and a step 7, judging whether the image is normal or not. The liquid crystal screen is qualified if the image is normal, and the liquid crystal screen is disqualified if the image is abnormal.
Description
Technical field
The present invention relates to a kind of lcd panel test method, relate in particular to a kind of rgb interface method of testing of liquid crystal display.
Background technology
LCD is the display device of planar ultra-thin, and it is made up of the colour or the monochrome pixels of some, is positioned over light source or reflecting surface the place ahead.LCD has slimming, characteristics such as low in energy consumption, widely applicable, enjoys the slip-stick artist to favor.
The most frequently used connection mode of liquid crystal display of existing small-medium size generally is MCU pattern and RGB pattern, and the control of MCU pattern is simple and convenient, need not clock and synchronizing signal, but will expend GRAM, is difficult to accomplish giant-screen, is usually used in showing still picture; The RGB pattern need not GRAM, and transmission speed is very fast, but complicated operation needs the control of clock and synchronizing signal, is usually used in display video or animation.
Existing lcd panel test tool adopts the design of 51 single-chip microcomputers; The highest 48MHZ that only reaches of system clock, when the liquid crystal display of test WVGA, testing efficiency reduces greatly; Can't satisfy production; Along with the 3G smart mobile phone is fast-developing, more be difficult to satisfy the client to the mobile device intelligent requirements, reach requirements such as quick data transfering and support high resolving power.
Summary of the invention
The object of the present invention is to provide a kind of rgb interface method of testing of liquid crystal display, this method is according to MPU pattern initialization liquid crystal display to be measured, and video data need not to write DDRAM; The liquid crystal display that writes direct does not expend GRAM, and transmission speed is fast; Support high resolving power, satisfy production and client's demand.
For realizing above-mentioned purpose, the present invention provides a kind of rgb interface method of testing of liquid crystal display, and it may further comprise the steps:
Step 1, measurement jig is provided; Said measurement jig comprises: test module, be electrical connected in the control module of this test module and be electrical connected in the backlight driver module of this test module; Said test module comprises microprocessor and is electrically connected at the memory module of this microprocessor; Said memory module burning in advance has test procedure; Said control module comprises the liquid crystal driver module that is electrically connected at this microprocessor, and said liquid crystal driver module has a SPI interface, and said backlight driver module is electrically connected at this microprocessor;
Step 2, liquid crystal display to be measured and control module and backlight driver module are electrically connected;
Step 3, connect this measurement jig power supply, microprocessor operation test procedure also detects backlight driver module and the liquid crystal driver module that is electrically connected at this microprocessor;
Step 4, if this microprocessor detect the backlight driver module or liquid crystal driver module unusual; Then send alarm; If this microprocessor detects the backlight driver module and liquid crystal driver module is no abnormal, then backlight driver module and liquid crystal driver module are carried out initialization;
The backlight work of step 5, microprocessor control backlight driver module drive liquid crystal display, the control command that said liquid crystal driver module sends according to this microprocessor, through this SPI interface according to MCU pattern initialization liquid crystal display to be measured;
Step 6, said liquid crystal driver module directly send the test signal that sends of said microprocessor to liquid crystal display to be measured, and said liquid crystal display to be measured shows correspondence image according to this test signal;
Step 7, judge whether image is unusual, no abnormal, then this liquid crystal display to be measured is qualified, and unusual, then this liquid crystal display to be measured is defective.
Said measurement jig is provided with a jtag interface, and this jtag interface is electrically connected at this memory module, through this jtag interface test procedure is burnt in the memory module of test module.
Liquid crystal display to be measured shows black, white, red, green, blue, GTG, coloured image successively according to test signal in the said step 6.
Said measurement jig also comprises an interface module and a hummer; This interface module and backlight driver module and control module electrically connect; This liquid crystal display to be measured is installed and is electrically connected on this interface module during test, and this hummer is electrically connected at said microprocessor.
Image is no abnormal in the said step 7, and this microprocessor sends the qualified signal of this liquid crystal display to be measured, and said signal sends qualified prompt tone for this liquid crystal display to be measured shows PASS picture and hummer.
Said measurement jig also be provided with one be electrically connected at said microprocessor interrupt switch, when in the said step 7 during image abnormity, interrupt the conversion of liquid crystal display epigraph to be measured through this interrupt switch, so that this unusual picture is analyzed.
Said measurement jig data transmission position is 8,16 or 18.
After the said liquid crystal display initialization to be measured, this microprocessor is through the ceaselessly past liquid crystal display write data to be measured of control module.
Said test module is the LPC2138 chip, and said control module is the SSD1963 chip.
Said backlight driver module is the CP2123 chip
Beneficial effect of the present invention: the rgb interface method of testing of liquid crystal display provided by the invention, it is through directly being connected on liquid crystal display on the bus of storer, and according to MCU pattern initialization liquid crystal display to be measured; Video data does not write DDRAM, directly writes screen, does not expend GRAM; Data rate is fast; Test speed is fast, also supports high resolving power, accomplishes large-size screen monitors easily.
In order further to understand characteristic of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, yet accompanying drawing only provide reference and the explanation usefulness, be not to be used for the present invention is limited.
Description of drawings
Below in conjunction with accompanying drawing, describe in detail through specific embodiments of the invention, will make technical scheme of the present invention and other beneficial effect obvious.
In the accompanying drawing,
Fig. 1 is the process flow diagram of the rgb interface method of testing of liquid crystal display of the present invention;
Fig. 2 is the module map of the rgb interface method of testing of liquid crystal display of the present invention.
Embodiment
Technological means and the effect thereof taked for further setting forth the present invention are described in detail below in conjunction with the preferred embodiments of the present invention and accompanying drawing thereof.
See also Fig. 1 to 2, the present invention provides a kind of rgb interface method of testing of liquid crystal display, and it may further comprise the steps:
Step 1, measurement jig 20 is provided; Said measurement jig 20 comprises: test module 22, be electrical connected in the control module 26 of this test module 22 and be electrical connected in the backlight driver module 25 of this test module 22; Said test module 22 comprises microprocessor 224 and is electrically connected at the memory module 222 of this microprocessor 224; The burning in advance of said memory module 222 has test procedure; Said control module 26 comprises the liquid crystal driver module 262 that is electrically connected at this microprocessor 224, and said liquid crystal driver module 262 has a SPI interface 2622, and said control module 26 and backlight driver module 25 all electrically connect with this microprocessor 224;
Said measurement jig 20 also is provided with a jtag interface 23, and this jtag interface 23 is electrical connected in this memory module 222, can test procedure be burnt in the memory module 222 through this jtag interface 23, and change test procedure.And then test procedure that can be different according to the different product burning, make this measurement jig 20 be applicable to multiple product, enlarge the scope of application, and then reduced cost.
Step 2, this liquid crystal display 40 to be measured electrically connect with control module 262 and backlight driver module 25;
Said test is controlled 20 and is also comprised an interface module 27, and this interface module 27 electrically connects with backlight driver module 25 and control module 26, and this liquid crystal display 40 to be measured is installed and is electrically connected on this interface module 27 during test.
Should be installed on this interface module 27 by liquid crystal display 40 to be measured, said liquid crystal display 40 to be measured directly is connected on the memory bus through this interface module 27, the setting of cancellation internal RAM, and video data is not saved in the internal RAM, directly on screen, writes, and test speed is fast.Through this interface module 27, this liquid crystal display 40 to be measured has VSYNC, HSYNC, DOTCLK, ENABLE and data line with the line of this measurement jig 20, and the data transmission position can be divided into 8,16 and 18.
Step 3, connect this measurement jig 20 power supplys, said microprocessor 224 operation test procedures also detect backlight driver module 25 and the liquid crystal driver module 262 that is electrically connected at this microprocessor 224;
Step 4, if this microprocessor 224 detects backlight driver module 25 or liquid crystal driver module 262 is unusual; Then send alarm; If this microprocessor 224 detects backlight driver module 25 and liquid crystal driver module 262 is no abnormal, then backlight driver module 25 and liquid crystal driver module 262 are carried out initialization;
Said measurement jig 20 also comprises a hummer 21, and this hummer 21 is electrically connected at this microprocessor 222.
In this preferred embodiment; When said microprocessor 224 detection peripheral circuits are unusual; Control this hummer 21 and send the alarm sound, prompting user's backlight driver module 25 or liquid crystal driver module 262 exist unusual, and this has improved the accuracy of this measurement jig 20 greatly; Avoided using bad measurement jig to draw inaccurate test result, increased work efficiency to a certain extent.The alarm sound that said alarm sound is " dripping ".
Step 5, said microprocessor 224 control backlight driver modules 25 drive backlight (not shown) work of liquid crystal display; The control command that liquid crystal driver module 262 sends according to microprocessor 224, through this SPI interface 2622 according to MCU pattern initialization liquid crystal display 40 to be measured;
After backlight driver module 25 and liquid crystal driver module 262 initialization finished, microprocessor 224 control backlight driver modules 25 drove the backlight work of liquid crystal display 40 to be measured.Liquid crystal driver module 262 begins to export HSYNC, VSYNC, DEN, PCLK signal, through this SPI interface 2622 according to MCU pattern initialization liquid crystal display 40 to be measured.
Step 6, this liquid crystal driver module 262 directly send the test signal that sends of this microprocessor 224 to liquid crystal display 40 to be measured, and liquid crystal display 40 to be measured is according to this test signal display image;
Said liquid crystal display to be measured 40 directly is connected on the bus of storer, and video data does not write DDRAM, directly writes screen, does not expend GRAM, and test speed is fast, accomplishes large-size screen monitors easily.After said liquid crystal display to be measured 40 initialization, this microprocessor 224 is through ceaselessly past liquid crystal display 40 write datas to be measured of liquid crystal driver module 262.Liquid crystal display 40 to be measured shows black successively according to test signal, white, red, green, indigo plant, GTG, coloured image.
Step 7, judge whether image is unusual, no abnormal, then this liquid crystal display 40 to be measured is qualified, and unusual, then this liquid crystal display 40 to be measured is defective.
Said measurement jig 20 also be provided with one be electrically connected at said microprocessor 224 interrupt switch 24, when in the said step 7 during image abnormity, interrupt the conversion of liquid crystal display 40 epigraphs to be measured through this interrupt switch 24, so that this unusual picture is analyzed.
If test process is not found image abnormity; Then judge should be to be measured liquid crystal display 40 qualified, this microprocessor 224 sends the qualified signal of this liquid crystal display to be measured 40, if certain image occurs unusually in the test process; Judge that then liquid crystal display to be measured 40 is defective; And trigger this interrupt switch 24, interrupt the conversion of liquid crystal display 40 epigraphs to be measured, and this unusual picture is analyzed.
Said signal shows that for this liquid crystal display 40 to be measured PASS picture and hummer 21 send the prompt tone of " dripping "; For alarm sound and qualified prompt tone that said hummer 21 is sent are distinguished; It is minor that qualified prompt tone can be set, and the alarm sound is a long.
In this preferred embodiment, said test module 22 is the LPC2138 chip, and said control module 26 is the SSD1963 chip, and said backlight driver module 25 is the CP2123 chip.
What deserves to be mentioned is that this method adopts the MCU pattern when initialization liquid crystal display 40 to be measured, make that test operation control is convenient; Need not clock signal and synchronizing signal, liquid crystal display 40 to be measured directly is connected on the bus of storer, adopts RGB pattern display image data; Video data does not write DDRAM, directly writes screen, does not expend GRAM; Test speed is fast, supports high resolving power, the highest support WVGA resolution.
In sum, the rgb interface method of testing of liquid crystal display provided by the invention, it is through directly being connected on liquid crystal display on the bus of storer; And according to MCU pattern initialization liquid crystal display to be measured, video data does not write DDRAM, directly writes screen; Do not expend GRAM, data rate is fast, and test speed is fast; Also support high resolving power, accomplish large-size screen monitors easily.
The above for the person of ordinary skill of the art, can make other various corresponding changes and distortion according to technical scheme of the present invention and technical conceive, and all these changes and distortion all should belong to the protection domain of claim of the present invention.
Claims (10)
1. the rgb interface method of testing of a liquid crystal display is characterized in that, may further comprise the steps:
Step 1, measurement jig is provided; Said measurement jig comprises: test module, be electrical connected in the control module of this test module and be electrical connected in the backlight driver module of this test module; Said test module comprises microprocessor and is electrically connected at the memory module of this microprocessor; Said memory module burning in advance has test procedure; Said control module comprises the liquid crystal driver module that is electrically connected at this microprocessor, and said liquid crystal driver module has a SPI interface, and said backlight driver module is electrically connected at this microprocessor;
Step 2, liquid crystal display to be measured and control module and backlight driver module are electrically connected;
Step 3, connect this measurement jig power supply, microprocessor operation test procedure also detects backlight driver module and the liquid crystal driver module that is electrically connected at this microprocessor;
Step 4, if this microprocessor detect the backlight driver module or liquid crystal driver module unusual; Then send alarm; If this microprocessor detects the backlight driver module and liquid crystal driver module is no abnormal, then backlight driver module and liquid crystal driver module are carried out initialization;
The backlight work of step 5, microprocessor control backlight driver module drive liquid crystal display, the control command that said liquid crystal driver module sends according to this microprocessor, through this SPI interface according to MCU pattern initialization liquid crystal display to be measured;
Step 6, said liquid crystal driver module directly send the test signal that sends of said microprocessor to liquid crystal display to be measured, and said liquid crystal display to be measured shows correspondence image according to this test signal;
Step 7, judge whether image is unusual, no abnormal, then this liquid crystal display to be measured is qualified, and unusual, then this liquid crystal display to be measured is defective.
2. the rgb interface method of testing of liquid crystal display as claimed in claim 1; It is characterized in that; Said measurement jig is provided with a jtag interface, and this jtag interface is electrically connected at this memory module, through this jtag interface test procedure is burnt in the memory module of test module.
3. the rgb interface method of testing of liquid crystal display as claimed in claim 1 is characterized in that, liquid crystal display to be measured shows black, white, red, green, blue, GTG, coloured image successively according to test signal in the said step 6.
4. the rgb interface method of testing of liquid crystal display as claimed in claim 1; It is characterized in that; Said measurement jig also comprises an interface module and a hummer; This interface module and backlight driver module and control module electrically connect, and this liquid crystal display to be measured is installed and is electrically connected on this interface module during test, and this hummer is electrically connected at said microprocessor.
5. the rgb interface method of testing of liquid crystal display as claimed in claim 1; It is characterized in that; Image is no abnormal in the said step 7, and this microprocessor sends the qualified signal of this liquid crystal display to be measured, and said signal sends qualified prompt tone for this liquid crystal display to be measured shows PASS picture and hummer.
6. the rgb interface method of testing of liquid crystal display as claimed in claim 1; It is characterized in that; Said measurement jig also be provided with one be electrically connected at said microprocessor interrupt switch; When in the said step 7 during image abnormity, interrupt the conversion of liquid crystal display epigraph to be measured through this interrupt switch, so that this unusual picture is analyzed.
7. the rgb interface method of testing of liquid crystal display as claimed in claim 1 is characterized in that, said measurement jig data transmission position is 8,16 or 18.
8. the rgb interface method of testing of liquid crystal display as claimed in claim 1 is characterized in that, after the said liquid crystal display initialization to be measured, this microprocessor is through the ceaselessly past liquid crystal display write data to be measured of control module.
9. the rgb interface method of testing of liquid crystal display as claimed in claim 1 is characterized in that, said test module is the LPC2138 chip, and said control module is the SSD1963 chip.
10. the rgb interface method of testing of liquid crystal display as claimed in claim 1 is characterized in that, said backlight driver module is the CP2123 chip.
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| CN201210060098.0A CN102591046B (en) | 2012-03-08 | 2012-03-08 | The rgb interface method of testing of liquid crystal display |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033339A (en) * | 2012-12-14 | 2013-04-10 | 京东方科技集团股份有限公司 | Lighting jig |
| CN103323962A (en) * | 2013-06-19 | 2013-09-25 | 无锡博一光电科技有限公司 | Testing method for MIPI (Mobile Industry Processor Interface) full high definition liquid crystal display |
| CN106920493A (en) * | 2017-04-07 | 2017-07-04 | 深圳市帝晶光电科技有限公司 | A kind of liquid crystal screen Cell method of testings of High voltage output |
| CN108288447A (en) * | 2017-12-28 | 2018-07-17 | 江西合力泰科技有限公司 | A kind of test method for SPI interface |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101770089A (en) * | 2008-12-26 | 2010-07-07 | 京东方科技集团股份有限公司 | Liquid crystal display module tester |
| US7810006B2 (en) * | 2008-01-14 | 2010-10-05 | Emerging Display Technologies Corp. | Testing system for a device under test |
| KR101054865B1 (en) * | 2011-02-28 | 2011-08-05 | 위드시스템 주식회사 | Display module testing apparatus |
| KR20120012771A (en) * | 2011-12-09 | 2012-02-10 | 주식회사 지엔티시스템즈 | Apparatus for Testing display modules with a Jig having MIPI Bridge Module |
-
2012
- 2012-03-08 CN CN201210060098.0A patent/CN102591046B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7810006B2 (en) * | 2008-01-14 | 2010-10-05 | Emerging Display Technologies Corp. | Testing system for a device under test |
| CN101770089A (en) * | 2008-12-26 | 2010-07-07 | 京东方科技集团股份有限公司 | Liquid crystal display module tester |
| KR101054865B1 (en) * | 2011-02-28 | 2011-08-05 | 위드시스템 주식회사 | Display module testing apparatus |
| KR20120012771A (en) * | 2011-12-09 | 2012-02-10 | 주식회사 지엔티시스템즈 | Apparatus for Testing display modules with a Jig having MIPI Bridge Module |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033339A (en) * | 2012-12-14 | 2013-04-10 | 京东方科技集团股份有限公司 | Lighting jig |
| EP2743905A1 (en) * | 2012-12-14 | 2014-06-18 | Boe Technology Group Co. Ltd. | Lighting jig |
| CN103033339B (en) * | 2012-12-14 | 2015-07-01 | 京东方科技集团股份有限公司 | Lighting jig |
| US9778322B2 (en) | 2012-12-14 | 2017-10-03 | Boe Technology Group Co., Ltd. | Lighting jig |
| CN103323962A (en) * | 2013-06-19 | 2013-09-25 | 无锡博一光电科技有限公司 | Testing method for MIPI (Mobile Industry Processor Interface) full high definition liquid crystal display |
| CN103323962B (en) * | 2013-06-19 | 2016-01-20 | 无锡博一光电科技有限公司 | The method of testing of the full HD liquid crystal display of MIPI interface |
| CN106920493A (en) * | 2017-04-07 | 2017-07-04 | 深圳市帝晶光电科技有限公司 | A kind of liquid crystal screen Cell method of testings of High voltage output |
| CN108288447A (en) * | 2017-12-28 | 2018-07-17 | 江西合力泰科技有限公司 | A kind of test method for SPI interface |
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Effective date of registration: 20180918 Address after: 523000 7 Bai Ye Avenue, 100 industrial town, Liaobu Town, Dongguan, Guangdong. Patentee after: Guangdong Jinlong electromechanical Co., Ltd. Address before: 214000 Jinxi Road, Wuxi City, Jiangsu Province, No. 100 Patentee before: Wuxi Booyi Optoelectronics Science & Technology Co., Ltd. |
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