CN101369397A - Display equipment test system and method - Google Patents
Display equipment test system and method Download PDFInfo
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- CN101369397A CN101369397A CNA2007101406347A CN200710140634A CN101369397A CN 101369397 A CN101369397 A CN 101369397A CN A2007101406347 A CNA2007101406347 A CN A2007101406347A CN 200710140634 A CN200710140634 A CN 200710140634A CN 101369397 A CN101369397 A CN 101369397A
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Abstract
The invention provides a display device test system and test method thereof, the test system comprises a control device, a test instrument and a display device to be tested, provides a plurality of test items and sends corresponding control commands of items to be tested to the test instrument and the display device to be tested. The test instrument sends the test signal based on the control commands, the display device adjusts control items and values based on the control commands, then the display device sends the display result based on the test signal. Because the operation and the control of the test instrument and the display device to be tested are integrated into the same man-machine interface, without respectively operating and controlling the test instrument and the display device, thereby improving or accelerating the test flow.
Description
Technical field
What the present invention relates to is a kind of test macro, particularly be a kind of display equipment test system and method thereof that is incorporated into same man-machine interface of controlling with testing tool in the system and display device to be measured.
Background technology
Display is a kind of man-machine interface that is used for linking up on the human vision with machinery or instrument, therefore dispatching from the factory before, must carry out various tests, for example the form and aspect (hue), brightness (brightness), contrast (contrast), saturation degree (saturation), uniformity coefficient (uniformity), the response speed (response time) and the characteristics such as (flicker) of glimmering that show of test display apparatus at its display device.
Traditionally, the test process of display device needs the tester to control back and forth at testing tool and display device to be measured, can export the characteristic that different test signals verifies that display device is different by testing tool.The testing process of this shortage efficient can limit the speed that display dispatches from the factory.
Summary of the invention
Purpose of the present invention is providing a kind of display equipment test system exactly, and it is incorporated into same man-machine interface with testing tool and controlling of display device to be measured, with the accelerated test flow process.
Another object of the present invention is providing a kind of display device method of testing exactly, and it is incorporated into same man-machine interface with testing tool and controlling of display device to be measured, with the accelerated test flow process.
The present invention proposes a kind of display equipment test system, and it comprises control device, testing tool and display device to be measured.Control device provides a plurality of test events to select for the user, and send control commands corresponding (control command) according to the test event that the user selects, wherein control command comprises identification code (ID code), order (command) and data (data).Testing tool receives control command, and according to the identification code of the control command that is received whether decision uses described control command so that send test signal, if described control command is used in decision, then determine the video specification (video format) of test signal, and determine the pattern (pattern) of test signal according to the data of the control command that is received according to the order of the control command that is received.Display device to be measured receives control command and test signal, and according to the identification code of the control command that is received whether decision uses described control command, if described control command is used in decision, then determine the control project (controlled item) of display device according to the order of the control command that is received, and, send display result according to the test signal that is received then according to the control item purpose numerical value (value) of the data of the control command that is received decision display device.
The present invention proposes a kind of display device method of testing in addition, and it is useful in testing tool and display device to be measured.This display device method of testing at first provides a plurality of test events to select for the user.Then, send control commands corresponding to testing tool and display device according to the test event that the user selects, wherein control command comprises identification code, order and data.Come, testing tool determines according to identification code whether the application controls order is so that send test signal again, if decision application controls order then determines the video specification of test signal according to order, and determines the pattern of test signal according to data.In addition, display device determines whether application controls order according to identification code, if decision application controls order, then according to the control project of order decision display device, and, send display result according to test signal then according to the control item purpose numerical value of data decisions display device.
Display equipment test system of the present invention and method provide a plurality of test events, and the test event control commands corresponding of desiring to carry out is delivered to testing tool and display device to be measured.Testing tool is sent test signal according to control command, and display device is controlled project and numerical value according to the control command adjustment, and display device is sent the display result of display device again according to test signal then.Because testing tool and controlling of display device to be measured are incorporated into same man-machine interface, do not need manually to control respectively testing tool and display device, therefore improvement or accelerated test flow process.
Description of drawings
Fig. 1 is the calcspar according to the display equipment test system that one embodiment of the invention illustrated;
Fig. 2 is according to the test event that one embodiment of the invention illustrated and the synoptic diagram of control command;
Fig. 3 is the process flow diagram according to the display device method of testing that one embodiment of the invention illustrated;
The process flow diagram of Fig. 4 for controlling according to the back coupling of the display device method of testing that one embodiment of the invention illustrated.
Description of reference numerals: 10-display equipment test system; The 11-control device; The 12-testing tool; The 13-display device; The 14-switching device; The 15-data processing equipment; The 16-database; The 17-arrangement for detecting; The S31-control device provides test event to select for the user; The S32-control device is sent control command to testing tool and display device according to test event; Does the S33-testing tool determine whether application controls order according to the identification code of control command? The S34-testing tool is sent test signal according to control command; The S35-testing tool is ignored control command; Does the S36-display device determine whether application controls order according to the identification code of control command? The S37-display device is according to control command adjustment control project and numerical value; The S38-display device is ignored control command; The S39-display device is sent display result according to test signal; The display result of S41-record display device; S42-adds up according to the display result of record; S43-adjusts test event according to statistics.
Embodiment
Below in conjunction with accompanying drawing, be described in more detail with other technical characterictic and advantage the present invention is above-mentioned.
Fig. 1 is the calcspar according to the display equipment test system that one embodiment of the invention illustrated.Please refer to Fig. 1, display equipment test system 10 comprises control device 11, testing tool 12 and display device 13.Wherein, testing tool 12 for example is the test signal generator, and display device 13 for example is the display device of cathode ray tube (CRT) display or flat-panel screens (FPD) etc.
In the present embodiment, display equipment test system 10 also comprises switching device 14.The control command that switching device 14 is sent in order to receiving control device 11, convert control command to be fit to testing tool 12 and display device 13 signal respectively after, deliver to testing tool 12 and display device 13 more respectively.For example, control device 11 output ports may be USB interface, and testing tool 12 input ports may be the RS232 interfaces, then need to do the conversion of signal format between the two by switching device 14.
In the present embodiment, display equipment test system 10 also comprises data processing equipment 15.Data processing equipment 15 for example is a computing machine, and it comprises database 16, and control device 11 can be provided by data processing equipment 15 even.Database 16 is in order to writing down the display result of tested display device 13, and data processing equipment 15 is added up according to the display result that database 16 stores, and the result that can utilize statistics by control device 11 to improve or the accelerated test flow process.
Here, describe at control command earlier.Each control command includes an identification code, an order and data.The same control command that identification code provides testing tool 12 and display device 13 identifications to receive is useful in testing tool 12 or is useful in display device 13.When control command was useful in testing tool 12, its order was in order to the video specification of the test signal of indication and 12 outputs of decision testing tool, and its data are in order to the pattern of the test signal of indication and 12 outputs of decision testing tool.When control command was useful in display device 13, its order was in order to the control project of indication and decision display device 13, and its data are in order to the control item purpose numerical value of indication and decision display device 13.
Wherein, video specification for example is the specification of analog broadcasting (analog broadcast), the specification of digital broadcasting (digitalbroadcast), the specification of computing machine display standard (computer display standards) or the combination of these specifications, the wherein specification of analog broadcasting such as NTSC, PAL, SECAM etc., the specification of digital broadcasting such as SDTV (480i, 576i), HDTV (1080i, 720p, 1080p), LDTV (240p, 288p, 1seg), EDTV (480p, 576p), MPEG-2 (ATSC, DVB, ISDB), MPEG-4 (SBTVD) etc., and the specification of computing machine display standard such as VGA, SVGA, XGA, SXGA etc.The combination that it should be noted that analog broadcasting, digital broadcasting, these specifications of computing machine display standard is to be useful in to switch the explicit device that uses in broadcasting and computing machine.Moreover, pattern for example be GTG (grey scale), colour bar (colorbar) or multiple be look (multi-burst) etc.The control project for example is resolution (resolution), and its numerical value then can be 1024x768 (4:3) or 1280x720 (16:9) etc.; The control project for example is form and aspect (hue), brightness (brightness) or contrast (contrast) etc., and its numerical value generally then is between 0～100; In addition, the control project can also be a SRS audio etc., and its value then is out (ON) or closes (OFF).
Return the above embodiments, when the user selected the 1st test event, control device 11 was for example sent a control command A who fits at testing tool 12 earlier, then sent a control command B who fits in display device 13 again.When testing tool 12 and display device 13 received control command A, it was that NTSC, pattern are the test signal of GTG that testing tool 12 can be sent a video specification according to control command A, and display device 13 can be ignored control command A.Because the test signal of present embodiment is the video specification of NTSC, therefore display device 13 to be measured must normally show the video specification of NTSC at least.When testing tool 12 and display device 13 received control command B, testing tool 12 can be ignored control command B, and display device 13 can be adjusted into colourity with the control project of display device 13 and numerical value is 0 according to control command B.Then, it is that NTSC, pattern are the test signal of GTG that display device 13 receives above-mentioned video specification, and itself control project and numerical value are adjusted colourity 0 respectively simultaneously, send a display result at last.
Then, the user can select the 2nd test event or in order not according to other test event of select progressively, and the test event of choosing can produce another display device 13 display result after tested.The user can be visual and be write down these display result in database 16, when the quantity of the display result of record how during, can also add up and provide statistics by data processing equipment 15 to control device 11 and then improvement or accelerated test flow process to some degree.For example, same series-produced display device may be very stable on certain some characteristic in the back discovery display device of testing some, only need do a little simple tests and get final product, therefore can revise or reduce the test event on the control device 11, with the accelerated test flow process.
In the present embodiment, display equipment test system 10 also comprises arrangement for detecting 17.Arrangement for detecting 17 for example utilizes the device of some image captures and analysis, automatically detects display device 13 display result after tested, and then the display result that detects is automatically delivered to database 16.Thus, the user need not adopt visual mode to judge display result, does not need manually to import display result to database 16 yet, and only the test event that needs decision to do gets final product accelerated test flow process significantly.
Fig. 3 is the process flow diagram according to the display device method of testing that one embodiment of the invention illustrated.Please be simultaneously with reference to Fig. 1 and Fig. 3, at first, at step S31, control device 11 provides a plurality of test events to select for the user, and these test events are as shown in Figure 2.
At step S32, the test event that control device 11 is selected according to the user is sent control command to testing tool 12 and display device 13.For example, the user selects the 1st test event, then control device 11 send a suitable testing tool 12 earlier control command to testing tool 12 and display device 13, the control command of sending a suitable display device 13 again is to testing tool 12 and display device 13.In one embodiment, step S32 also comprise utilize switching device 14 to convert control command to be fit to testing tool 12 and display device 13 signal respectively after, the control command after will change is respectively again delivered to testing tool 12 and display device 13.
At step S33, testing tool 12 determines whether application controls order according to the identification code of control command.If control command is fit to testing tool 12, then from step S33 to step S34, testing tool 12 is sent test signal according to control command, and the video specification of the test signal of wherein sending is by the decision of the order in the control command, and the pattern of test signal is determined by the data in the control command.If control command is not suitable for testing tool 12, then from step S33 to step S35, testing tool 12 is ignored control command.
At step S36, display device 13 determines whether application controls order according to the identification code of control command.If control command is fit to display device 13, then from step S36 to step S37, display device 13 is according to control command adjustment control project and numerical value, and the project of wherein controlling is by the decision of the order in the control command, and control item purpose numerical value is determined by the data in the control command.If control command is not suitable for display device 13, then from step S36 to step S38, display device 13 is ignored control command.
At last, at step S39, display device 13 is behind adjustment control project and numerical value, and the test signal that acceptance test instrument 12 is sent also produces a display result.In one embodiment, display device method of testing of the present invention also comprises a back coupling mechanism, as shown in Figure 4.This feedbacks machine-processed S41～S43 and utilizes display result to go to adjust test event, for example increases or reduces test event, or make amendment at order and the data of test event control commands corresponding, so that reach the purpose of improvement or accelerated test flow process.
Please be simultaneously with reference to Fig. 1, Fig. 3 and Fig. 4, at first, at step S41, the user adopts display result record that visual type sends step S39 to database 16, perhaps, by the display result that arrangement for detecting 17 automatically captures and analytical procedure S39 sends, the display result record that will capture and analyze is to database 16.Then, at step S42, data processing equipment 15 is added up according to the display result of the some of database 16 records.Then, at step S43, data processing equipment 15 is feedback and is adjusted the test event that control device 11 is provided according to the result of statistics, gets back to step S31 at last.
In sum, display equipment test system of the present invention and method provide a plurality of test events, and the test event control commands corresponding of desiring to carry out is delivered to testing tool and display device to be measured.Testing tool is sent test signal according to control command, and display device is controlled project and numerical value according to the control command adjustment, and display device is sent the display result of display device again according to test signal then.Because testing tool and controlling of display device to be measured are incorporated into same man-machine interface, do not need manually to control respectively testing tool and display device, therefore improvement or accelerated test flow process.
The above only is preferred embodiment of the present invention, only is illustrative for the purpose of the present invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes to it in the spirit and scope that claim of the present invention limited, revise, even equivalence, but all will fall within the scope of protection of the present invention.
Claims (6)
1. display equipment test system, it is characterized in that: it comprises:
One control device is selected for the user in order to a plurality of test events to be provided, and is sent control commands corresponding according to the test event that the user selects, and wherein said control command comprises an identification code, an order and data;
One testing tool, in order to receive described control command, and according to described identification code whether decision uses described control command so that send a test signal, if described control command is used in decision, then determine the video specification of described test signal, and determine the pattern of described test signal according to described data according to described order; And
One display device to be measured, in order to receive described control command and described test signal, and according to described identification code whether decision uses described control command, if described control command is used in decision, then determine the control project of described display device according to described order, and determine the control item purpose numerical value of described display device according to described data, send a display result according to described test signal then.
2. display equipment test system according to claim 1 is characterized in that: also comprise:
One switching device, in order to receive the described control command that described control device is sent, after described control command being converted to the signal of suitable described testing tool and described display device respectively, deliver to described testing tool and described display device more respectively.
3. display equipment test system according to claim 1 is characterized in that: also comprise:
One data processing equipment, it comprises that a database is in order to write down the display result of described display device, described data processing equipment is added up according to the display result of described database, and provides described control device to adjust described a plurality of test event according to this.
4. display equipment test system according to claim 3 is characterized in that: also comprise:
One arrangement for detecting in order to automatically detecting the display result of described display device, and is delivered to described database with the display result that detects.
5. a display device method of testing is useful in a testing tool and a display device to be measured, and it is characterized in that: described display device method of testing comprises:
Provide a plurality of test events to select for the user;
Send control commands corresponding to described testing tool and described display device according to the test event that the user selects, wherein said control command comprises an identification code, an order and data;
Whether described testing tool uses described control command so that send a test signal according to described identification code decision, if described control command is used in decision, then determine the video specification of described test signal, and determine the pattern of described test signal according to described data according to described order; And
Whether described display device uses described control command according to described identification code decision, if described control command is used in decision, then determine the control project of described display device according to described order, and determine the control item purpose numerical value of described display device according to described data, send a display result according to described test signal then.
6. display device method of testing according to claim 5 is characterized in that: also comprise: the display result that writes down described display device; Display result according to record is added up; And according to the statistics the result adjust described a plurality of test event.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101406347A CN101369397B (en) | 2007-08-14 | 2007-08-14 | Display equipment test system and method |
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| CN2007101406347A CN101369397B (en) | 2007-08-14 | 2007-08-14 | Display equipment test system and method |
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| CN101369397A true CN101369397A (en) | 2009-02-18 |
| CN101369397B CN101369397B (en) | 2010-07-07 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102395044A (en) * | 2011-11-18 | 2012-03-28 | 上海大亚科技有限公司 | Video equipment testing device with cross-platform compatible performance and method thereof |
| CN104155082A (en) * | 2013-05-14 | 2014-11-19 | 比亚迪股份有限公司 | Liquid crystal display resolution test method |
| CN105866575A (en) * | 2016-03-30 | 2016-08-17 | 中车株洲电力机车研究所有限公司 | Vehicle-borne display device comprehensive testing device and testing method |
| CN106840616A (en) * | 2017-04-11 | 2017-06-13 | 南京巨鲨显示科技有限公司 | A kind of display measurement apparatus based on multisensor |
| CN108243334A (en) * | 2016-12-26 | 2018-07-03 | 研祥智能科技股份有限公司 | Signal source output control method and device |
| CN113267916A (en) * | 2021-05-14 | 2021-08-17 | 深圳同兴达科技股份有限公司 | Liquid crystal display screen resolution testing equipment and testing method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW495060U (en) * | 1998-07-24 | 2002-07-11 | Inventec Corp | Brightness test device of liquid crystal display panel |
| CN100460887C (en) * | 2004-04-02 | 2009-02-11 | 明基电通股份有限公司 | Wireless detection system |
| CN100395781C (en) * | 2004-12-30 | 2008-06-18 | 鸿富锦精密工业（深圳）有限公司 | System and method for testing LCD unit |
| CN100443908C (en) * | 2005-06-15 | 2008-12-17 | 群康科技(深圳)有限公司 | Detector and detection method employing the same |
-
2007
- 2007-08-14 CN CN2007101406347A patent/CN101369397B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102395044A (en) * | 2011-11-18 | 2012-03-28 | 上海大亚科技有限公司 | Video equipment testing device with cross-platform compatible performance and method thereof |
| CN102395044B (en) * | 2011-11-18 | 2013-12-04 | 上海大亚科技有限公司 | Video equipment testing method with cross-platform compatible performance |
| CN104155082A (en) * | 2013-05-14 | 2014-11-19 | 比亚迪股份有限公司 | Liquid crystal display resolution test method |
| CN105866575A (en) * | 2016-03-30 | 2016-08-17 | 中车株洲电力机车研究所有限公司 | Vehicle-borne display device comprehensive testing device and testing method |
| CN105866575B (en) * | 2016-03-30 | 2020-04-10 | 中车株洲电力机车研究所有限公司 | Vehicle-mounted display comprehensive testing device and testing method |
| CN108243334A (en) * | 2016-12-26 | 2018-07-03 | 研祥智能科技股份有限公司 | Signal source output control method and device |
| CN108243334B (en) * | 2016-12-26 | 2020-04-28 | 研祥智能科技股份有限公司 | Signal source output control method and device |
| CN106840616A (en) * | 2017-04-11 | 2017-06-13 | 南京巨鲨显示科技有限公司 | A kind of display measurement apparatus based on multisensor |
| CN113267916A (en) * | 2021-05-14 | 2021-08-17 | 深圳同兴达科技股份有限公司 | Liquid crystal display screen resolution testing equipment and testing method |
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| CN101369397B (en) | 2010-07-07 |
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