CN106989905A - A kind of multi-functional detection method and apparatus of luminescent panel - Google Patents
A kind of multi-functional detection method and apparatus of luminescent panel Download PDFInfo
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- CN106989905A CN106989905A CN201710313304.7A CN201710313304A CN106989905A CN 106989905 A CN106989905 A CN 106989905A CN 201710313304 A CN201710313304 A CN 201710313304A CN 106989905 A CN106989905 A CN 106989905A
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- luminescent panel
- imaging spectrometer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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- General Physics & Mathematics (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The present invention relates to a kind of optical detecting method, and in particular to a kind of multifunctional optical panel detection method based on imaging hyperspectral technique.Equipment includes luminescent panel, sample stage, imaging spectrometer and computer, and luminescent panel overall brightness is the key index for evaluating optic panel performance, and its outlier detection also contributes to ensure production product control.Luminescent panel is scanned by using imaging hyperspectral technique, the luminosity and overall accurate luminance of each point of locus can be obtained.The entirety of the achievable arbitrary dimension luminescent panel of the present invention or the accurate luminance measurement of local location, help to realize online quick luminescent panel performance detection and assessment of failure.
Description
Technical field
The present invention relates to a kind of optical detecting method, and in particular to a kind of multi-functional detection method and apparatus of luminescent panel.
Background technology
Luminescent panel be widely used in life in each class of electronic devices, such as TV, display, mobile phone, its is bright
Degree, uniformity and outlier detection are always the key of luminescent panel Quality Identification.By taking LED panel lamp as an example, even if overall bright
Degree is enough, but if brightness irregularities, blackening occurs, usage experience will be caused to substantially reduce.In addition the wavelength of luminescent panel is special
Property also largely affects the impression of user.
Current light emitting panel luminous detection is mostly by taking pictures or integrating sphere is contrasted etc. that mode realizes that spectral signature is by adding
Detect and obtain after optical filter, the information such as existing means disposable brightness, spectrum for obtaining spatial discrimination difficult to realize not only increases
Detection time, also increases the complexity of testing process.
The content of the invention
(1) technical problem solved
In view of the shortcomings of the prior art, can be same the invention provides a kind of multi-functional detection method and apparatus of luminescent panel
Shi Shixian luminescent panels overall or local brightness, uniformity and spectral signature infomation detection, solve current detection flow and answer
Miscellaneous and time-consuming shortcoming.
(2) technical scheme
To realize object above, the present invention is achieved by the following technical programs：
A kind of multi-functional detection method of luminescent panel, it is characterised in that：The detection method realizes that step is as follows：
(1) it need to detect that pixel dimension determines imaging spectrometer, sample stage and luminescent panel position according to luminescent panel；
(2) detecting system demarcation is carried out using standard luminescent panel and data；
(3) luminescent panel is fixed on sample stage, and carries out uniform motion relative to imaging spectrometer, and imaging spectrometer is completed
Diverse location spectral scan；
(4) according to obtain imaging spectrometer data obtain luminescent panel diverse location and overall luminosity, uniformity and
Spectral signature information.
It is preferred that, a kind of in addition to luminescent panel multifunctional examining measurement equipment, the equipment include luminescent panel, sample stage,
Imaging spectrometer and computer.
It is preferred that, the luminescent panel is fixed on sample stage, the imaging spectrometer according to setting track carry out motion and
Push away and sweep, luminescent panel diverse location and overall luminosity, uniformity and Spectral Properties are obtained according to imaging spectrometer data is obtained
Reference ceases.
It is preferred that, imaging spectrometer spectral scan described in the step (3) can by any form of optic panel and
Imaging spectrometer relative motion realizes that movement locus splices with follow-up data to be corresponded.
It is preferred that, the multi-functional detection method of described luminescent panel can be used for various sizes of luminescent panel performance test.
It is preferred that, the imaging spectrometer optionally uses multispectral or EO-1 hyperion instrument.
It is preferred that, the multi-functional detection method of described luminescent panel can be used for offline sampling Detection and on-line real-time measuremen.
It is preferred that, including following operating procedure：
(1) luminescent panel is fixed in sample stage, luminescent panel is vertical with imaging spectrometer lens direction；
(2) according to luminescent panel size and space accuracy of detection, determine imaging spectrometer apart from luminescent panel position 20cm；
(3) detection device parameter, including imaging spectrometer time for exposure, collection frame frequency, guide rail movement velocity, motion are set
Direction, moving displacement etc.；
(4) triggering imaging spectrometer starts data acquisition, while controlling guide rail, imaging spectrometer level is at the uniform velocity moved it
Middle moving direction and luminescent panel keeping parallelism；
(5) the high light spectrum image-forming data obtained when by motion scan are spliced, and synthesize pcolor；
(6) region to be analyzed is selected in pcolor, obtains luminosity and spectrum characteristic at diverse location, contrasted simultaneously
Output uniformity information and average spectral signature information.
(3) beneficial effect
The advantage of the present invention compared with prior art is：The present invention can realize that luminescent panel is overall or part bright simultaneously
Degree, uniformity and spectral signature infomation detection, improve luminescent panel performance detection accuracy and detection efficiency.It is simultaneously of the invention
It is applicable to the luminescent panel detection of arbitrary dimension.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the multi-functional detection method schematic diagram of luminescent panel of the embodiment of the present invention；
Fig. 2 is luminescent panel detection device workflow schematic diagram of the embodiment of the present invention；
Label in figure is represented respectively：
1st, sample stage；2nd, luminescent panel；3rd, precise guide rail；4th, imaging spectrometer；5th, computer.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
A kind of as shown in Figure 1 multi-functional detection method of luminescent panel, detection method realizes that step is as follows：
(1) it need to detect that pixel dimension determines imaging spectrometer, sample stage and luminescent panel position according to luminescent panel；
(2) detecting system demarcation is carried out using standard luminescent panel and data；
(3) luminescent panel is fixed on sample stage, and carries out uniform motion relative to imaging spectrometer, and imaging spectrometer is completed
Diverse location spectral scan；
(4) according to obtain imaging spectrometer data obtain luminescent panel diverse location and overall luminosity, uniformity and
Spectral signature information.
Also include a kind of luminescent panel multifunctional examining measurement equipment, equipment include luminescent panel, sample stage, imaging spectrometer and
Computer.
Luminescent panel is fixed on sample stage, and imaging spectrometer is moved and pushed away according to setting track and swept, according to obtaining into
As spectroscopic data obtains luminescent panel diverse location and overall luminosity, uniformity and spectral signature information.
Imaging spectrometer spectral scan can be transported by the way that any form of optic panel and imaging spectrometer are relative in step (3)
Dynamic to realize, movement locus splices with follow-up data to be corresponded.
The multi-functional detection method of luminescent panel can be used for various sizes of luminescent panel performance test.
Imaging spectrometer optionally uses multispectral or EO-1 hyperion instrument.
The multi-functional detection method of luminescent panel can be used for offline sampling Detection and on-line real-time measuremen.
Include following operating procedure as shown in Figure 2：
(1) luminescent panel is fixed in sample stage, luminescent panel is vertical with high light spectrum image-forming spectrometer lens direction；
(2) according to luminescent panel size (100mm × 60mm) and space accuracy of detection (~1mm), imaging spectrometer is determined
Apart from luminescent panel position 20cm；
(3) detection device parameter, including imaging spectrometer time for exposure, collection frame frequency, guide rail movement velocity, motion are set
Direction, moving displacement etc.；
(4) triggering imaging spectrometer starts data acquisition, while controlling guide rail, imaging spectrometer level is at the uniform velocity moved
(moving direction and luminescent panel keeping parallelism)；
(5) the high light spectrum image-forming data obtained when by motion scan are spliced, and synthesize pcolor；
(6) region to be analyzed is selected in pcolor, obtains luminosity and spectrum characteristic at diverse location, contrasted simultaneously
Output uniformity information and average spectral signature information.
The present invention can realize overall or local brightness, uniformity and the spectral signature infomation detection of luminescent panel simultaneously, carry
High luminescent panel performance detection accuracy and detection efficiency.The luminescent panel inspection of arbitrary dimension is present invention can be suitably applied to simultaneously
Survey.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these modification or
Replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a kind of multi-functional detection method of luminescent panel, it is characterised in that：The detection method realizes that step is as follows：
(1) it need to detect that pixel dimension determines imaging spectrometer, sample stage and luminescent panel position according to luminescent panel；
(2) detecting system demarcation is carried out using standard luminescent panel and data；
(3) luminescent panel is fixed on sample stage, and carries out uniform motion relative to imaging spectrometer, and imaging spectrometer completes different
Position spectral scan；
(4) according to luminosity, uniformity and the spectrum for obtaining imaging spectrometer data acquisition luminescent panel diverse location and entirety
Characteristic information.
2. the multi-functional detection method of luminescent panel according to claim 1, it is characterised in that：Also include a kind of luminescent panel
Multifunctional examining measurement equipment, the equipment includes luminescent panel, sample stage, imaging spectrometer and computer.
3. luminescent panel multifunctional examining measurement equipment according to claim 2, it is characterised in that：The luminescent panel is fixed on
Sample stage, the imaging spectrometer is moved and pushed away according to setting track and swept, and is lighted according to imaging spectrometer data is obtained
Panel diverse location and overall luminosity, uniformity and spectral signature information.
4. the multi-functional detection method of luminescent panel according to claim 1, it is characterised in that：Described in the step (3)
Imaging spectrometer spectral scan can be realized by any form of optic panel and imaging spectrometer relative motion, movement locus with
Follow-up data splicing is corresponded.
5. the multi-functional detection method of luminescent panel according to claim 1, it is characterised in that：The many work(of described luminescent panel
Energy detection method can be used for various sizes of luminescent panel performance test.
6. the multi-functional detection method of luminescent panel according to claim 1, it is characterised in that：The imaging spectrometer is optional
Use is multispectral or EO-1 hyperion instrument.
7. the multi-functional detection method of luminescent panel according to claim 1, it is characterised in that：The many work(of described luminescent panel
Energy detection method can be used for offline sampling Detection and on-line real-time measuremen.
8. luminescent panel multifunctional examining measurement equipment according to claim 2, it is characterised in that：Including following operating procedure：
(1) luminescent panel is fixed in sample stage, luminescent panel is vertical with imaging spectrometer lens direction；
(2) according to luminescent panel size and space accuracy of detection, determine imaging spectrometer apart from luminescent panel position 20cm；
(3) detection device parameter, including imaging spectrometer time for exposure, collection frame frequency, guide rail movement velocity, motion side are set
To, moving displacement etc.；
(4) triggering imaging spectrometer starts data acquisition, while controlling guide rail, the at the uniform velocity movement of imaging spectrometer level is wherein moved
Dynamic direction and luminescent panel keeping parallelism；
(5) the high light spectrum image-forming data obtained when by motion scan are spliced, and synthesize pcolor；
(6) region to be analyzed is selected in pcolor, obtains luminosity and spectrum characteristic at diverse location, while contrasting output
Homogeneity information and average spectral signature information.
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Cited By (3)
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| CN110346294A (en) * | 2019-06-17 | 2019-10-18 | 北京科技大学 | A kind of subtle scanning-detecting system and method for scratching defect of panel |
| CN111795803A (en) * | 2020-06-23 | 2020-10-20 | 深圳市摩西尔工业检测设备有限公司 | Two-dimensional luminescence detection method for surface luminophor |
| CN116297497A (en) * | 2023-05-23 | 2023-06-23 | 武汉大学 | Mobile phone panel quality detection method based on hyperspectral remote sensing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346294A (en) * | 2019-06-17 | 2019-10-18 | 北京科技大学 | A kind of subtle scanning-detecting system and method for scratching defect of panel |
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| CN111795803B (en) * | 2020-06-23 | 2022-11-01 | 深圳市摩西尔工业检测设备有限公司 | Two-dimensional luminescence detection method for surface illuminant |
| CN116297497A (en) * | 2023-05-23 | 2023-06-23 | 武汉大学 | Mobile phone panel quality detection method based on hyperspectral remote sensing |
| CN116297497B (en) * | 2023-05-23 | 2023-08-15 | 武汉大学 | Mobile phone panel quality detection method based on hyperspectral remote sensing |
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