CN111414282B - Data ordering conversion device and display testing system and testing method applying same - Google Patents
Data ordering conversion device and display testing system and testing method applying same Download PDFInfo
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- CN111414282B CN111414282B CN201910007810.2A CN201910007810A CN111414282B CN 111414282 B CN111414282 B CN 111414282B CN 201910007810 A CN201910007810 A CN 201910007810A CN 111414282 B CN111414282 B CN 111414282B
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- 238000012360 testing method Methods 0.000 title claims abstract description 179
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 35
- 238000013507 mapping Methods 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000010998 test method Methods 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 claims 4
- 238000012163 sequencing technique Methods 0.000 claims 1
- 238000012956 testing procedure Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000013100 final test Methods 0.000 description 1
- 238000011990 functional testing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
- G06F11/2221—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested to test input/output devices or peripheral units
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2294—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing by remote test
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/26—Functional testing
- G06F11/273—Tester hardware, i.e. output processing circuits
Abstract
The invention discloses a data sorting conversion device and a display testing system and a testing method using the same, which are used for re-sorting and sorting signal contents into data with a second display data sorting standard based on received original video testing signals which accord with the first display data sorting standard, and outputting the data to a preset display which accords with the second display data sorting standard, so that a remote display to be tested cannot pass through the condition of a display testing program, can be conditionally reproduced on the preset display, can be suitable for mapping conversion of various displays, achieves the aim of removing remote conditions from a near end, and further saves time cost required to be consumed.
Description
Technical Field
The present invention relates to video data sequence conversion, and more particularly, to a data sequence conversion device and a display test system and test method using the same.
Background
In the process of manufacturing a display, many functional tests, display capability tests, final tests, etc. are required to be performed to inspect various items, so that the display, which is the final product, can meet various specifications.
In the process of manufacturing a display, after the display is mounted on the display panel, a display function is usually tested by a display test device to check whether the display panel and a related control module can correctly display various test pictures. The display test equipment is used for outputting various preloaded video test signals so as to enable the display to be tested to display corresponding pictures, and then the display function test of the display is completed through the inspection (such as visual inspection or image taking inspection of the camera equipment) of a tester or other equipment.
Because abnormal test results of the display may be due to video test signal errors possibly existing in the display test equipment or functional damage of the display to be tested, in order to solve the problems, maintenance personnel of the display test equipment are often required to know the situation in a production line, which results in high time consumption and high cost of the maintenance process.
Disclosure of Invention
An object of the present invention is to save costs for maintenance procedures of display test equipment.
Another objective of the present invention is to solve the problem that the display testing device at the near end cannot obtain the remotely used object to be tested.
It is still another object of the present invention to provide a display testing apparatus with improved convenience of use.
To achieve the above and other objects, the present invention provides a data sorting and converting device, comprising: an input side, an output side and a processing module. The input side is used for receiving an original video test signal with a first display data ordering specification output by display test equipment. The output side is used for outputting a mapping video test signal for displaying by a preset display with a second display data ordering standard. The processing module is coupled to the input side and the output side, temporarily stores data in the original video test signal, reorders the temporarily stored data according to the second display data ordering specification accepted by the preset display, and converts the temporarily stored data into the mapped video test signal to be provided to the output side.
In an embodiment of the invention, the first display data sorting specification is a display data sorting specification accepted by a display to be tested, and the display test device is used for executing a display test program on the display to be tested.
In an embodiment of the present invention, the display to be tested cannot display the mapped video test signal.
In one embodiment of the present invention, the processing module includes: the video memory is used for temporarily storing data in the original video test signal.
In one embodiment of the present invention, the field programmable gate array has: the device comprises a receiving unit, a transmitting unit, a memory control unit and a video processing unit. The memory control unit is coupled to the receiving unit and the video memory, so that the video memory temporarily stores data in the original video test signal. The video processing unit is coupled to the memory control unit and the transmission unit, so that video data stored in the video memory is sequentially drawn according to the second display data ordering specification, and the mapping video test signal is generated for transmission to the transmission unit.
In an embodiment of the present invention, the video memory is for temporarily storing the original video test signal by the memory control unit in a distributed manner, and the video memory is a double data rate synchronous dynamic random access memory.
To achieve the above and other objects, the present invention further provides a display testing system using the data sorting and converting device, comprising: display test equipment and a data ordering conversion device. The display test apparatus is configured to generate a raw video test signal having a first display data ordering specification. The data sorting conversion device is used for a preset display conforming to a second display data sorting standard to carry out a test adjustment program, and is coupled with the display test equipment to receive the original video test signal, reorder the data of the original video test signal according to the second display data sorting standard accepted by the preset display, convert the data into a mapped video test signal and carry out the test adjustment program by the preset display.
In an embodiment of the invention, the display test device is configured to perform a display test procedure on each of the plurality of to-be-tested displays according to the first display data ordering specification.
In an embodiment of the invention, the display test device cannot enable the preset display conforming to the second display data sorting specification to execute the display test program based on the first display data sorting specification.
In order to achieve the above and other objects, the present invention further provides a display testing method using the data sorting and converting device, including: receiving an original video test signal conforming to a first display data ordering specification; temporarily storing data in the original video test signal; re-ordering the temporarily stored data according to a second display data ordering specification to generate a mapping type video test signal; and providing the mapped video test signal to a preset display for performing a test adjustment procedure.
In an embodiment of the present invention, the received original video test signal is used for a display to be tested to execute a display test procedure, and the original video test signal makes the display to be tested pass through in the display test procedure.
In an embodiment of the invention, the second display data ordering specification is correspondingly adjusted according to the selected preset display.
Accordingly, in the embodiment of the invention, the received original video test signal conforming to the first display data ordering specification is used for re-ordering and sorting the signal content into the data having the second display data ordering specification, and then the data is output to the preset display conforming to the second display data ordering specification, so that the condition that the remote display to be tested cannot pass the display test program, can be conditionally reproduced on the preset display, and can be also suitable for mapping conversion of various displays, thereby achieving the purpose that the remote condition is eliminated from the near end, saving the cost required by the maintenance program of the display test equipment and improving the use convenience of the display test equipment.
Drawings
FIG. 1a is a schematic diagram of one of two different display data ordering specifications;
FIG. 1b is a schematic diagram of another of two different display data ordering specifications;
FIG. 2 is a schematic diagram of a display testing system according to an embodiment of the invention;
FIG. 3 is a schematic diagram of a data sort conversion device according to an embodiment of the present invention;
FIG. 4 is a flow chart of a display testing method using a data sort conversion device in an embodiment of the present invention.
Detailed Description
For a thorough understanding of the objects, features and advantages of the present invention, reference should be made to the following detailed description of the invention taken in conjunction with the accompanying drawings in which:
the terms "a" or "an" are used herein to describe a signal, unit, component, structure, device, module, system, apparatus, etc. This is for convenience of description only and is not intended to provide a general sense of the scope of the invention. Thus, unless expressly stated otherwise, such description should be construed as including one or at least one and the singular also includes the plural.
In this document, the terms "comprises," "comprising," or any other variation thereof, are not intended to be limited to the details of these examples, but may include other elements or steps not expressly listed but inherent to such signal, unit, component, structure, means, module, system or device.
The terms "first" or "second" and the like, as used herein, are used for distinguishing or referring to the same or similar signal, element or operation and not necessarily for implying a sequential order of such signals, elements or operations. It is to be understood that in some cases or configurations, ordinal terms may be used interchangeably without affecting the practice of the present invention.
In the embodiment of the invention, the collocation situation of the data ordering conversion device and the display test equipment is exemplified. The data sorting and converting device can be two devices independent from the display testing equipment, or can be configured in a way that the data sorting and converting device is detachably or non-detachably mounted on the display testing equipment. In the embodiment of the invention, the data sorting conversion device and the display testing device are taken as two independent devices as examples.
Please refer to fig. 1a and 1b, which are schematic diagrams of two different display data sorting specifications, namely, two exemplary display data sorting specifications corresponding to the type a and the type b described below.
The display test equipment generally stores a plurality of display data sorting specifications, and is used for mapping (mapping) to displays with different display data sorting specifications, so that a production line tester can correspondingly select according to the specifications of the displays to be tested on the production line, and display test programs are respectively carried out on each display to be tested. For testing a flat panel display with a resolution of 4K, up to 8,294,400 (3840×2160) pixel blocks (each display dot contains three RGB sub-pixel blocks), when displaying an instant test frame composed of these pixel blocks, the display data of the instant test frame must be reordered according to the display data ordering specification accepted by the flat panel display and then input to the flat panel display for the flat panel display to correctly display the instant test frame.
For example, the type A display data ordering specification is: the display data of the instant test picture is sequentially transmitted to the flat panel display from left to right and from top to bottom in a manner that the data numbers are ordered from top left to right to bottom right of 0000001 to bottom right of 8294400, correspondingly, the data numbers corresponding to the pixel blocks at the top right of the flat panel display are 0003840, and the number of rows formed by the pixel blocks from top to bottom is 2160. As another example, the display data ordering specification B is: dividing the pixel blocks of the flat panel display into a left area and a right area, wherein the left area is filled with display data correspondingly in sequence and then is moved to the right area, the data numbers are ordered from '0000001' at the left upper corner of the left area to '4147200' at the right lower corner of the left area, and correspondingly, the data numbers corresponding to the pixel blocks at the right upper corner of the left area of the flat panel display are '0001920'; on the other hand, in the right region, the data numbers are ordered from "4147201" in the upper left corner of the right region to "8294400" in the lower right corner of the right region, and correspondingly, the data numbers corresponding to the pixel blocks in the upper right corner of the right region of the flat panel display are "4149120". The mapping rules are thus different, and the flat panel display will not be able to correctly display the instant test frame (e.g., the frame is split and swapped) without adjustment of the display data ordering specification, as is the case with the dynamic frame display.
Referring next to fig. 2, a schematic diagram of a display testing system according to an embodiment of the invention is shown. After the display data sorting specification based on the display test equipment output is selected by the remote tester, the data sorting conversion device 100 must be matched at the near end for the purpose of reproducing the test situation encountered by the tester at the near end and for the purpose of configuring only a small number of preset displays or even only a single preset display at the near end. As described above, the data sorting and converting apparatus 100 is a device independent from the display testing device 200 in the example of fig. 2, however, the testing system may also enable the display testing device 200 to mount the data sorting and converting apparatus 100.
As shown in fig. 2, the display test system includes: display test apparatus 200 and data sequence conversion device 100. The display test apparatus 200 is coupled to the data sequence conversion device 100, and the preset display 300 is coupled to the data sequence conversion device 100. The display test apparatus 200 may select the same selection as the remote tester (e.g., both are the first display data ordering specification) via the near-end personnel setting such that the display test apparatus 200 generates the original video test signal S1 having the first display data ordering specification.
That is, the first display data sorting specification is a display data sorting specification used by a remote tester to detect a display to be tested (not shown), and is also a display data sorting specification accepted by the display to be tested, so that the display testing device can execute a display testing program on the display to be tested.
The original video test signal S1 is transmitted to the data sequence conversion device 100 for subsequent processing. The data sorting and converting device 100 stores a second display data sorting specification in advance, where the second display data sorting specification has a display data sorting specification accepted by the preset display 300 located at the near end. That is, the second display data ordering specification of the data ordering conversion device 100 can correspondingly determine the ordering data content of the second display data ordering specification according to the display data ordering specification accepted by the preset display 300 owned by the near end, that is, the ordering data of the remote display to be tested is not limited.
The data sorting conversion device 100 reorders the sorted data content of the original video test signal S1 according to the second display data sorting specification, and converts the data content into a mapped video test signal S2 having the second display data sorting specification. In summary, the aforementioned display to be tested cannot display the frame data of the mapped video test signal S2, and the aforementioned display to be tested can only accept the first display data ordering specification. In addition, the display test apparatus 200 cannot cause the preset display 300 conforming to the second display data sorting specification to execute the aforementioned display test program based on the first display data sorting specification.
Accordingly, in the display test program, for the test data (i.e. the original video test signal S1) input by the remote tester to the display to be tested, under the display test system disclosed in the embodiment of the invention, the test data input to the display to be tested is converted into the data input to the preset display 300, so that the test data can be reproduced on the preset display 300 without being limited to the display to be tested. In other words, when the remote tester performs the display test procedure on the display to be tested, if the original video test signal S1 is in the display test procedure, and the display to be tested cannot pass the test, the near-end person can output the same original video test signal S1 to the data sequence conversion device 100 through the display test equipment 200, and then reproduce the situation encountered by the remote tester on the preset display 300, so as to determine whether the display test equipment 200 is normal or not, or further adjustment is required according to the reproduced display error, so as to complete the test adjustment procedure, and further enable the remote display test equipment 200 to be updated or replaced, thereby solving the error situation.
Referring next to fig. 3, a schematic diagram of a data ordering converting apparatus according to an embodiment of the invention is shown. The data sort conversion device 100 includes: an input side 102, an output side 104, and a processing module 110. The input side 102 is configured to receive an original video test signal S1 with a first display data sorting specification output from the display test device, and the output side 104 outputs a mapped video test signal S2 for display on a preset display with a second display data sorting specification. The processing module 110 is coupled to the input side 102 and the output side 104, and is configured to temporarily store the data in the original video test signal S1, reorder the temporarily stored data according to the second display data ordering specification accepted by the predetermined display 300 (see fig. 2), and convert the temporarily stored data into the mapped video test signal S2 provided to the output side 104.
The processing module 110 may be implemented by a field programmable gate array (Field Programmable Gate Array, FPGA), but is not limited thereto. The example of fig. 3 is illustrated with a field-editable logic gate array. The processing module 110 includes: the field editable logic gate array 112 and video memory 114. The video memory 114 is coupled to the field programmable gate array 112 and is used for temporarily storing data in the original video test signal S1.
The field programmable logic gate array 112 has: a receiving unit 1121, a transmitting unit 1122, a memory control unit 1123, and a video processing unit 1124. The receiving unit 1121 receives the original video test signal S1, and the transmitting unit 1122 outputs the mapped video test signal S2. The memory control unit 1123 is coupled to the receiving unit 1121 and the video memory 114, and the memory control unit 1123 is used for controlling the data content of the received original video test signal S1, and making the data be correspondingly stored in the video memory 114.
The video processing unit 1124 is coupled to the memory control unit 1123 and the transmission unit 1122. The video processing unit 1124 sequentially obtains video data from the video memory 114 through the memory control unit 1123 according to the second display data ordering specification, and correspondingly generates a mapped video test signal S2 for transmission to the transmission unit 1122.
On the other hand, when the resolution of the first display data sorting rule is smaller than the resolution of the second display data sorting rule, and the display data of the original video test signal S1 cannot fill the display data empty space of the mapped video test signal S2, the video processing unit 1124 can perform the filling process on the mapped video test signal S2, so that the display data of the output mapped video test signal S2 can fill the resolution requirement of the second display data sorting rule. The video processing unit 1124 can be padded with picture data, for example, black or white.
Further, the video memory 114 is used for temporarily storing the original video test signal S1 by the memory control unit 1123 in a distributed manner. For example, the video memory may be Double Data rate synchronous dynamic random access memory (DDR).
Referring next to fig. 4, a flowchart of a display testing method using a data sorting and converting device according to an embodiment of the invention is shown. In the test flow, the received original video test signal S1 is used for the display to be tested to execute the display test program, and the original video test signal S1 is in the display test program, so that the display to be tested cannot pass through in a qualified manner. The method comprises the following steps:
step S100, the data sorting conversion device 100 receives the same original video test signal S1 conforming to the first display data sorting specification as the remote display test apparatus 200.
Step S200, temporarily stores the data in the original video test signal S1.
Step S300, reorder the buffered video data according to the second display data ordering specification to generate a mapped video test signal S2.
Step S400, providing the mapped video test signal S2 to the near-end default display 300 for performing the test adjustment procedure.
Step S410, determining whether the preset display 300 has abnormal display. If yes, the process goes to step S412, where the near-end personnel processes the display test apparatus 200 according to the abnormal situation, that is, updates the display test apparatus 200 (e.g. firmware update) or replaces the remote display test apparatus 200. If no, the process proceeds to step S414, where it is determined that the remote display test apparatus 200 has no abnormality and the display test apparatus has no abnormality.
Therefore, the embodiment of the invention can enable near-end personnel to rapidly and effectively process the situation of remote detection abnormality through setting different display data ordering specifications and converting video test signals, so that the remote display to be tested cannot pass the condition of the display test program, can be reproduced on the preset display at the near end conditionally (under the abnormal condition of display test equipment), and can be also suitable for mapping conversion of various displays (providing wider error elimination processing capability for the near-end personnel), thereby achieving the purpose of eliminating the remote situation from the near end and further saving the time cost required by the user.
The present invention has been disclosed in the foregoing in terms of preferred embodiments, however, it will be appreciated by those skilled in the art that the embodiments are merely illustrative of the invention and should not be construed as limiting the scope of the invention. It should be noted that all changes and substitutions equivalent to the described embodiments are intended to be included in the scope of the present invention. Accordingly, the scope of the invention is defined by the appended claims.
[ symbolic description ]
100. Data ordering conversion device
102. Input side
104. Output side
110. Processing module
112. Field editable logic gate array
1121. Receiving unit
1122. Transmission unit
1123. Memory control unit
1124. Video processing unit
114. Video memory
200. Display test equipment
300. Preset display
S1 original video test signal
S2 mapping type video test signal
S100-S414.
Claims (12)
1. A data sort conversion device, comprising:
an input side for receiving an original video test signal having a first display data ordering specification output from a display test device;
the output side outputs a mapping video test signal for displaying on a preset display with a second display data ordering standard; a kind of electronic device with high-pressure air-conditioning system
A processing module coupled to the input side and the output side, wherein the processing module temporarily stores data in the original video test signal, reorders the temporarily stored data according to the second display data ordering specification accepted by the preset display, converts the temporarily stored data into the mapped video test signal for providing to the output side,
the original video test signal is used for displaying pixel blocks with a first number, and the mapping video test signal is used for displaying pixel blocks with the same first number.
2. The data sort conversion device of claim 1, wherein the first display data sort specification is a display data sort specification accepted by a display under test, and the display test equipment is for executing a display test procedure on the display under test.
3. The data sequence conversion device of claim 2, wherein the display under test is unable to display the mapped video test signal.
4. The data sort conversion device of claim 1, wherein said processing module comprises: the video memory is used for temporarily storing data in the original video test signal.
5. The data sort conversion device of claim 4, wherein the field programmable logic gate array has:
a receiving unit for receiving the original video test signal;
a transmission unit for outputting the mapping video test signal;
the memory control unit is coupled with the receiving unit and the video memory, so that the video memory temporarily stores data in the original video test signal; a kind of electronic device with high-pressure air-conditioning system
The video processing unit is coupled with the memory control unit and the transmission unit, sequentially obtains video data stored in the video memory according to the second display data ordering specification, and generates the mapping video test signal to be transmitted to the transmission unit.
6. The data sequence conversion device according to claim 5, wherein said video memory is for temporarily storing said original video test signal by said memory control unit in a distributed manner, said video memory being a double data rate synchronous dynamic random access memory.
7. A display testing system using a data ordering conversion device, comprising:
a display test device for generating an original video test signal having a first display data ordering specification; a kind of electronic device with high-pressure air-conditioning system
A data sequence conversion device for a preset display conforming to a second display data sequence standard to perform a test adjustment procedure, the data sequence conversion device being coupled to the display test equipment to receive the original video test signal, re-sequencing the data of the original video test signal according to the second display data sequence standard received by the preset display, converting the data into a mapped video test signal for the preset display to perform the test adjustment procedure,
the original video test signal is used for displaying pixel blocks with a first number, and the mapping video test signal is used for displaying pixel blocks with the same first number.
8. The display testing system of claim 7, wherein the display testing device is configured to perform a display testing procedure for each of the plurality of displays under test that meet the first display data ordering specification.
9. The display testing system of claim 8, wherein the display testing device fails to cause the predetermined display conforming to the second display data ordering specification to execute the display testing program based on the first display data ordering specification.
10. A display testing method using the data sort conversion device of one of claims 1 to 6, comprising:
receiving an original video test signal conforming to a first display data ordering specification;
temporarily storing data in the original video test signal;
re-ordering the temporarily stored data according to a second display data ordering specification to generate a mapping type video test signal; a kind of electronic device with high-pressure air-conditioning system
Providing the mapped video test signal to a predetermined display for performing a test adjustment procedure,
the original video test signal and the mapped video test signal are used for displaying the same total number of pixel blocks.
11. The method of claim 10, wherein the received original video test signal is used for a display to be tested to execute a display test procedure, and the original video test signal is used for failing to pass the display to be tested in the display test procedure.
12. The display testing method of claim 10, wherein the second display data ordering specification is adjusted accordingly according to the selected predetermined display.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101489053A (en) * | 2008-01-18 | 2009-07-22 | 福建星网锐捷通讯股份有限公司 | Video image rotating system |
| CN103151018A (en) * | 2011-12-07 | 2013-06-12 | 旭曜科技股份有限公司 | Pixel data conversion method and device for delta arrangement display panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101489053A (en) * | 2008-01-18 | 2009-07-22 | 福建星网锐捷通讯股份有限公司 | Video image rotating system |
| CN103151018A (en) * | 2011-12-07 | 2013-06-12 | 旭曜科技股份有限公司 | Pixel data conversion method and device for delta arrangement display panel |
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