CN203787060U - Display screen test device provided with plurality of VGA output interfaces - Google Patents
Display screen test device provided with plurality of VGA output interfaces Download PDFInfo
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- CN203787060U CN203787060U CN201420070585.XU CN201420070585U CN203787060U CN 203787060 U CN203787060 U CN 203787060U CN 201420070585 U CN201420070585 U CN 201420070585U CN 203787060 U CN203787060 U CN 203787060U
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- display screen
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- arm processor
- fpga chip
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- 238000012360 testing method Methods 0.000 title abstract description 21
- 238000009434 installation Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000004044 response Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Abstract
The utility model discloses a display screen test device provided with a plurality of VGA output interfaces, which comprises an ARM processor, an FPGA chip, a memory module and a video interface chip, wherein the FPGA chip is respectively connected with the ARM processor and the memory module; the FPGA chip is provided with a plurality of VGA interfaces; and each VGA interface is respectively connected with the video interface chip. A plurality of VGA interfaces are arranged for carrying out test, a plurality of display screens can be tested at the same time, the time of production test can be greatly reduced, and the production cost is low; the ARM processor and the FPGA chip are adopted for carrying out control, the DDR2 memory is used for memory, the test processing speed and the response speed can be effectively improved, and the production efficiency is greatly enhanced; and the display screen test device provided with a plurality of VGA output interfaces can be widely applied to the display screen test filed.
Description
Technical field
The utility model relates to a kind of display screen proving installation, relates in particular to a kind of display screen proving installation of many VGA of having output interface.
Background technology
Along with the generally utilization of electron trade display technique, the generation of various TFT display screens, OLED display screen and electronic-paper display screen is used, and needs a kind of testing tool to test display screen.But, the output interface of existing testing tool is all more single, and it is all generally to adopt SD card as the storer of testing tool, read or write speed is slower, and the speed of test is slower, cause the overlong time in display screen production test link, staff's workload is larger, has had a strong impact on the efficiency of producing.
The picture signal of the display screen refresh rate adjustable system output existing at present can adopt SD card to make storer and control by the button on equipment, flush bonding processor adopts high performance arm processor, the cost compare of this scheme is low, and processing speed is subject to the speed restriction of the display module of arm processor.System outputs to the display screen that display screen process display module can adapt to several sizes from obtaining view data to conversion, does not but have the fixing problem that cannot regulate of real frequency.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of and has a plurality of VGA interfaces, and can promote the display screen proving installation of a kind of many VGA of having output interface of test speed.
The technical scheme that the utility model adopts is:
A kind of display screen proving installation with many VGA output interface, comprise arm processor, fpga chip, memory module and video interface chip, described fpga chip is connected with memory module with arm processor respectively, described fpga chip is provided with a plurality of VGA interfaces, and described in each, VGA interface is connected with video interface chip respectively.
Be further used as preferred embodiment, described arm processor adopts S3C2416 chip.
Be further used as preferred embodiment, described memory module is DDR2 storer.
Be further used as preferred embodiment, described fpga chip is XC6SLX16 chip.
Be further used as preferred embodiment, described video interface chip adopts MIPI interface chip.
Be further used as preferred embodiment, described MIPI interface chip is TC358768 chip.
The beneficial effects of the utility model are:
The display screen proving installation of a kind of many VGA of having output interface of the utility model is tested by a plurality of VGA interfaces are set, and can to a plurality of display screens, test simultaneously, greatly reduces the time of production test, and production cost is lower.And having adopted arm processor and fpga chip to control, DDR2 storer is stored, and can effectively improve test processes speed and response speed, greatly improving production efficiency.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
Fig. 1 is the functional-block diagram of the display screen proving installation of a kind of many VGA of having output interface of the utility model.
Embodiment
With reference to Fig. 1, a kind of display screen proving installation with many VGA output interface of the utility model, comprise arm processor, fpga chip, memory module and video interface chip, described fpga chip is connected with memory module with arm processor respectively, described fpga chip is provided with a plurality of VGA interfaces, and described in each, VGA interface is connected with video interface chip respectively.
Be further used as preferred embodiment, described arm processor adopts S3C2416 chip.
Be further used as preferred embodiment, described memory module is DDR2 storer.
Be further used as preferred embodiment, described fpga chip is XC6SLX16 chip.
Be further used as preferred embodiment, described video interface chip adopts MIPI interface chip.
Be further used as preferred embodiment, described MIPI interface chip is TC358768 chip.
The display screen proving installation of a kind of many VGA of having output interface of the utility model can carry out adaptation test display screen to the display screen of different size type, with this, conveniently improved the time in display screen production test link, the efficiency of the production of raising has also slowed down workman's workload.Meanwhile, also can realize multi-screen control test by a plurality of VGA interfaces.
Wherein, DDR2 storer is mainly used in the image information of storage needs demonstration etc.
Arm processor is connected with fpga chip by bus.Arm processor arranges corresponding output parameter according to display requirement, comprises VBPD, VFBD, VSPW, HBPD, the HSPW of refreshing frequency, resolution and the VGA mouth of display screen etc., thereby realizes the test to display screen.
More than that better enforcement of the present utility model is illustrated, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and the distortion that these are equal to or replacement are all included in the application's claim limited range.
Claims (6)
1. a display screen proving installation with many VGA output interface, it is characterized in that: comprise arm processor, fpga chip, memory module and video interface chip, described fpga chip is connected with memory module with arm processor respectively, described fpga chip is provided with a plurality of VGA interfaces, and described in each, VGA interface is connected with video interface chip respectively.
2. a kind of display screen proving installation with many VGA output interface according to claim 1, is characterized in that: described arm processor adopts S3C2416 chip.
3. a kind of display screen proving installation with many VGA output interface according to claim 1, is characterized in that: described memory module is DDR2 storer.
4. a kind of display screen proving installation with many VGA output interface according to claim 1, is characterized in that: described fpga chip is XC6SLX16 chip.
5. a kind of display screen proving installation with many VGA output interface according to claim 1, is characterized in that: described video interface chip adopts MIPI interface chip.
6. a kind of display screen proving installation with many VGA output interface according to claim 5, is characterized in that: described MIPI interface chip is TC358768 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420070585.XU CN203787060U (en) | 2014-02-18 | 2014-02-18 | Display screen test device provided with plurality of VGA output interfaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420070585.XU CN203787060U (en) | 2014-02-18 | 2014-02-18 | Display screen test device provided with plurality of VGA output interfaces |
Publications (1)
| Publication Number | Publication Date |
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| CN203787060U true CN203787060U (en) | 2014-08-20 |
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| CN201420070585.XU Expired - Lifetime CN203787060U (en) | 2014-02-18 | 2014-02-18 | Display screen test device provided with plurality of VGA output interfaces |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104575342A (en) * | 2014-12-30 | 2015-04-29 | 武汉精测电子技术股份有限公司 | Integral liquid crystal module testing device |
| CN105304000A (en) * | 2015-09-23 | 2016-02-03 | 昆山龙腾光电有限公司 | Liquid crystal display module aging test system |
| CN105427773A (en) * | 2015-11-24 | 2016-03-23 | 昆山龙腾光电有限公司 | Aging testing system for liquid crystal display modules |
| CN108962105A (en) * | 2018-06-27 | 2018-12-07 | 武汉精测电子集团股份有限公司 | A kind of liquid crystal module testing device for touch screens and method based on FPGA |
| CN113438474A (en) * | 2021-06-28 | 2021-09-24 | 杭州加速科技有限公司 | Camera module testing device and control method thereof |
-
2014
- 2014-02-18 CN CN201420070585.XU patent/CN203787060U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104575342A (en) * | 2014-12-30 | 2015-04-29 | 武汉精测电子技术股份有限公司 | Integral liquid crystal module testing device |
| CN105304000A (en) * | 2015-09-23 | 2016-02-03 | 昆山龙腾光电有限公司 | Liquid crystal display module aging test system |
| CN105304000B (en) * | 2015-09-23 | 2019-01-22 | 昆山龙腾光电有限公司 | Liquid crystal display die set aging testing system |
| CN105427773A (en) * | 2015-11-24 | 2016-03-23 | 昆山龙腾光电有限公司 | Aging testing system for liquid crystal display modules |
| CN105427773B (en) * | 2015-11-24 | 2018-12-18 | 昆山龙腾光电有限公司 | Liquid crystal display die set aging testing system |
| CN108962105A (en) * | 2018-06-27 | 2018-12-07 | 武汉精测电子集团股份有限公司 | A kind of liquid crystal module testing device for touch screens and method based on FPGA |
| CN113438474A (en) * | 2021-06-28 | 2021-09-24 | 杭州加速科技有限公司 | Camera module testing device and control method thereof |
| CN113438474B (en) * | 2021-06-28 | 2023-03-14 | 杭州加速科技有限公司 | Camera module testing device and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518110 Guangdong Province, Shenzhen city Longhua District Guanlan community tourism Da BU Xiang Road No. 1301-1 7 floor 703-1 Patentee after: ACADEMY OF SHENZHEN GUOHUA OPTOELECTRONICS Patentee after: SHENZHEN GUOHUA OPTOELECTRONICS Co.,Ltd. Address before: 518110 Guangdong Province, Shenzhen city Longhua District Guanlan community tourism Da BU Xiang Road No. 1301-1 7 floor 703-1 Patentee before: SHENZHEN GUOHUA OPTOELECTRONICS INSTITUTE Patentee before: SHENZHEN GUOHUA OPTOELECTRONICS Co.,Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangxian Technology (Guangdong) Co.,Ltd. Assignor: SHENZHEN GUOHUA OPTOELECTRONICS Co.,Ltd.|ACADEMY OF SHENZHEN GUOHUA OPTOELECTRONICS Contract record no.: X2023980038209 Denomination of utility model: A Display Screen Testing Device with Multiple VGA Output Interfaces Granted publication date: 20140820 License type: Exclusive License Record date: 20230719 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |