CN110501825A - A kind of liquid crystal display optical property automatic test device and method - Google Patents
A kind of liquid crystal display optical property automatic test device and method Download PDFInfo
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- CN110501825A CN110501825A CN201910691709.3A CN201910691709A CN110501825A CN 110501825 A CN110501825 A CN 110501825A CN 201910691709 A CN201910691709 A CN 201910691709A CN 110501825 A CN110501825 A CN 110501825A
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- liquid crystal
- crystal display
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- test
- video signal
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
Abstract
The invention discloses a kind of liquid crystal display optical property automatic test devices, including telecontrol equipment and the camera and testing lens that are mounted on the telecontrol equipment, it further include video signal source, liquid crystal display to be measured and power supply, the telecontrol equipment, camera, testing lens and video signal source are connect with the processor of operation test software, the video signal source driving liquid crystal screen to be measured shows test pictures, and the power supply is the liquid crystal display to be measured, video signal source and processor power supply.Make test result more accurate using the technical solution, it is more efficient.
Description
Technical field
The present invention relates to liquid crystal display field, in particular to a kind of liquid crystal display optical property automatic test device and method.
Background technique
Vehicle-mounted liquid crystal screen needs to assess optical parameter after designing and producing out, using CA310 instrument to liquid crystal
The measurement of screen is important evaluation measures, and the method for measurement is usually that 9 points on liquid crystal display is taken to measure.Usually by people
Hand averagely takes a little, as shown in Figure 1, measuring in hand-held CA310 camera lens to 9 points, but often manpower takes a precision not high, more
Cumbersome, time-consuming.
The uniformity of measurement liquid crystal display is to take 9 positions to carry out taking a measurement liquid crystal display using the camera lens of CA310 instrument,
The data of comprehensive 9 points are averaged；But measured since manpower can not uniformly choose 9 points on a display screen, it may
It will lead to measurement result inaccuracy, be unable to satisfy experiment demand.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of liquid crystal display optical property automatic test device, so that test knot
Fruit is more accurate, more efficient.
A kind of liquid crystal display optical property automatic test device provided in an embodiment of the present invention, including telecontrol equipment and installation
Camera and testing lens on the telecontrol equipment further include video signal source, liquid crystal display to be measured and power supply, the movement
Device, camera, testing lens and video signal source are connect with the processor of operation test software, and the video signal source drives
It moves the liquid crystal screen to be measured and shows test pictures, the power supply is the liquid crystal display to be measured, video signal source and processor power supply.
Optionally, the camera is using high-definition camera for capturing display screen.
Optionally, the testing lens are used to capture the liquid crystal parameter of liquid crystal display to be measured using CA310 equipment.
Optionally, the telecontrol equipment is used for mobile test camera lens and high-definition camera, and testing lens and high definition is driven to take the photograph
As head scans the liquid crystal display to be measured.
Optionally, the liquid crystal display optical property is the optical property at 9 positions of liquid crystal display.
In addition, the present invention also provides a kind of liquid crystal display location information automated testing methods, comprising:
Video signal source transmits scheduled positioning picture to liquid crystal display to be measured；
Camera captures the positioning picture on liquid crystal display to be measured and is transferred to processor；
Processor finds the location information of each point, and record position information according to positioning picture；
Video signal source transmits scheduled test picture to liquid crystal display to be measured；
Testing lens are successively moved to each position of the test picture according to various point locations information, and video is cooperated to believe
The picture of number source transmission successively tests the data under each grayscale, and is transferred to processor；
Processor exports all test datas to test user.
Optionally, the liquid crystal display optical property is the optical property at 9 positions of liquid crystal display:
Video signal source transmits scheduled positioning picture to liquid crystal display to be measured；
Camera captures the positioning picture on liquid crystal display to be measured and is transferred to processor；
Processor finds the location information of 9 points, and record position information according to positioning picture；
Video signal source transmits scheduled test picture to liquid crystal display to be measured；
Testing lens are successively moved to each position of the test picture according to 9 dot position informations, and cooperate video
The picture of signal source transmission successively tests the data under each grayscale, and is transferred to processor；
Processor exports all test datas to test user.
Therefore using the present embodiment technical solution, 9 points of liquid crystal display due to using one kind completely new are tested dress automatically
It sets and method, so that test result is more accurate, it is more efficient.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is 9 position test device schematic diagrames of available liquid crystal screen；
Fig. 2 is a kind of 9 position automatic test device schematic diagrames of liquid crystal display provided by the invention；
Fig. 3 is a kind of telecontrol equipment schematic diagram provided by the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment:
The present embodiment provides a kind of liquid crystal display optical property automatic test devices, as shown in Fig. 2, including telecontrol equipment
(Motion Controler) and the camera (CAMERA) and testing lens (CA310) being mounted on the telecontrol equipment, also
Including video signal source (Video Source), liquid crystal display to be measured (DUT) and power supply (Power), the telecontrol equipment (Motion
Controler), camera (CAMERA), testing lens (CA310) and video signal source (Video Source) are surveyed with operation
Processor (IPC) connection of software is tried, the video signal source (Video Source) drives the liquid crystal display (DUT) to be measured aobvious
Show different test pictures, the power supply (Power) is the liquid crystal display (DUT) to be measured, video signal source (Video Source)
And processor (IPC) power supply.
It can be, but not limited to, the camera (CAMERA), for capturing display screen, it is fixed to play movement using high-definition camera
Position effect.The testing lens are used to capture the liquid crystal parameter of liquid crystal display to be measured using CA310 equipment.As shown in figure 3, the fortune
Dynamic device (Motion Controler) is used for mobile test camera lens (CA310) and high-definition camera (CAMERA), drives test
Camera lens (CA310) and high-definition camera (CAMERA) scan the liquid crystal display (DUT) to be measured.The liquid crystal display location information is liquid
9 positions of crystalline substance screen.
In addition, the present invention also provides a kind of liquid crystal display location information automated testing methods, comprising:
Video signal source (Video Source) transmits scheduled positioning picture to liquid crystal display to be measured (DUT)；
Camera (CAMERA) captures the positioning picture on liquid crystal display (DUT) to be measured and is transferred to processor (IPC)；
Processor (IPC) finds the location information of each point, and record position information according to positioning picture；
Video signal source (Video Source) transmits scheduled test picture to liquid crystal display to be measured (DUT)；
Testing lens (CA310) are successively moved to each position of the test picture according to various point locations information, and match
The picture for closing video signal source (Video Source) transmission successively tests the data under each grayscale, and is transferred to processor
(IPC)；
Processor (IPC) exports all test datas to test user.
It can be, but not limited to, the liquid crystal display location information is 9 positions of liquid crystal display:
Video signal source (Video Source) transmits scheduled positioning picture to liquid crystal display to be measured (DUT)；
Camera (CAMERA) captures the positioning picture on liquid crystal display (DUT) to be measured and is transferred to processor (IPC)；
Processor (IPC) finds the location information of 9 points, and record position information according to positioning picture；
Video signal source (Video Source) transmits scheduled test picture to liquid crystal display to be measured (DUT)；
Testing lens (CA310) are successively moved to each position of the test picture according to 9 dot position informations, and match
The picture for closing video signal source (Video Source) transmission successively tests the data under each grayscale, and is transferred to processor
(IPC)；
Processor (IPC) exports all test datas to test user.
To sum up, make test result more accurate using the technical program, it is more efficient, test working hour is reduced, project is cut
The fixture that changes that no replacement is required, is placed on camera lens detectable area for product, can be tested.
Embodiments described above does not constitute the restriction to the technical solution protection scope.It is any in above-mentioned implementation
Made modifications, equivalent substitutions and improvements etc., should be included in the protection model of the technical solution within the spirit and principle of mode
Within enclosing.
Claims (7)
1. a kind of liquid crystal display optical property automatic test device, which is characterized in that including telecontrol equipment and be mounted on the fortune
Camera and testing lens on dynamic device, further include video signal source, liquid crystal display to be measured and power supply, the telecontrol equipment is taken the photograph
As head, testing lens and video signal source connects with the processor of operation test software, described in the video signal source drives
Liquid crystal screen to be measured shows test pictures, and the power supply is the liquid crystal display to be measured, video signal source and processor power supply.
2. a kind of liquid crystal display optical property automatic test device as described in claim 1, which is characterized in that the camera
Using high-definition camera for capturing display screen.
3. a kind of liquid crystal display optical property automatic test device as claimed in claim 2, which is characterized in that the test mirrors
Head is used to capture the liquid crystal parameter of liquid crystal display to be measured using CA310 equipment.
4. a kind of liquid crystal display optical property automatic test device as claimed in claim 3, which is characterized in that the sportswear
It sets for mobile test camera lens and high-definition camera, testing lens and high-definition camera is driven to scan the liquid crystal display to be measured.
5. a kind of liquid crystal display optical property automatic test device as described in any in Claims 1-4, which is characterized in that
The liquid crystal display optical property is the optical property at 9 positions of liquid crystal display.
6. a kind of liquid crystal display location information automated testing method characterized by comprising
Video signal source transmits scheduled positioning picture to liquid crystal display to be measured；
Camera captures the positioning picture on liquid crystal display to be measured and is transferred to processor；
Processor finds the location information of each point, and record position information according to positioning picture；
Video signal source transmits scheduled test picture to liquid crystal display to be measured；
Testing lens are successively moved to each position of the test picture according to various point locations information, and cooperate video signal source
The picture of transmission successively tests the data under each grayscale, and is transferred to processor；
Processor exports all test datas to test user.
7. a kind of liquid crystal display location information automated testing method as claimed in claim 6, which is characterized in that the liquid crystal display
Optical property is the optical property at 9 positions of liquid crystal display:
Video signal source transmits scheduled positioning picture to liquid crystal display to be measured；
Camera captures the positioning picture on liquid crystal display to be measured and is transferred to processor；
Processor finds the location information of 9 points, and record position information according to positioning picture；
Video signal source transmits scheduled test picture to liquid crystal display to be measured；
Testing lens are successively moved to each position of the test picture according to 9 dot position informations, and cooperate vision signal
The picture of source transmission successively tests the data under each grayscale, and is transferred to processor；
Processor exports all test datas to test user.
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| CN201910691709.3A CN110501825A (en) | 2019-07-29 | 2019-07-29 | A kind of liquid crystal display optical property automatic test device and method |
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| CN201910691709.3A CN110501825A (en) | 2019-07-29 | 2019-07-29 | A kind of liquid crystal display optical property automatic test device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112731696A (en) * | 2020-12-29 | 2021-04-30 | 江苏奥斯汀光电科技股份有限公司 | Intelligent equipment for analyzing black picture light leakage problem of narrow and long vehicle-mounted liquid crystal screen |
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| CN105527464A (en) * | 2014-09-28 | 2016-04-27 | 深圳市诚信佳美科技有限公司 | Method and device for panel testing point positioning, and method and system for testing panel |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH1031730A (en) * | 1996-07-16 | 1998-02-03 | Advantest Corp | Calibration method |
| CN101004878A (en) * | 2006-01-17 | 2007-07-25 | 彩富电子股份有限公司 | Instrument for detecting bad spot on panel display faceplate, and detection method |
| CN101430626A (en) * | 2007-11-07 | 2009-05-13 | 夏普株式会社 | Display system and method for detecting pointed position |
| CN101620815A (en) * | 2008-07-01 | 2010-01-06 | 中茂电子(深圳)有限公司 | Detection method and detection machine for defective pixels of panel of flat panel display |
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| CN112731696A (en) * | 2020-12-29 | 2021-04-30 | 江苏奥斯汀光电科技股份有限公司 | Intelligent equipment for analyzing black picture light leakage problem of narrow and long vehicle-mounted liquid crystal screen |
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Application publication date: 20191126 |
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