CN107402119A - For detecting the filtering apparatus of OLED screen, the detection means of OLED screen and method - Google Patents
For detecting the filtering apparatus of OLED screen, the detection means of OLED screen and method Download PDFInfo
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- CN107402119A CN107402119A CN201710750982.XA CN201710750982A CN107402119A CN 107402119 A CN107402119 A CN 107402119A CN 201710750982 A CN201710750982 A CN 201710750982A CN 107402119 A CN107402119 A CN 107402119A
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- 238000001514 detection method Methods 0.000 title claims abstract description 39
- 238000001914 filtration Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 230000003287 optical effect Effects 0.000 claims description 13
- 230000013011 mating Effects 0.000 claims description 4
- 239000003086 colorant Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241001062009 Indigofera Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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Abstract
The present invention disclose a kind of for detecting the filtering apparatus of OLED screen, the detection means of OLED screen and method, and the filtering apparatus includes：The filter set that member's rotation is placed between OLED screen and gray scale camera in group, filter set include Red lightscreening plate, green color filter and blue color filter.The present invention can be clearly presented when OLED screen shows red, green or blue monochromatic picture with the presence or absence of colour mixture or mixed point phenomenon.
Description
Technical field
The present invention relates to OLED display screen technical field.Filled more particularly, to a kind of optical filtering for being used to detect OLED screen
Put, the detection means and method of OLED screen.
Background technology
Each pixel of OLED display screen (abbreviation OLED screen) is made up of tri- sub-pixel combinations of RGB, passes through regulation
The luminous power of tri- sub-pixels of RGB of pixel may be such that pixel sends RGB three primary colours lights or the group of different colours is presented
Closing light.
Recent years, OLED screen gradually develop into the volume production stage, but its many undesirable feature is also not well known, especially
Do not occur the undesirable feature really occurred in OLED screen on LCD display, such as the mixed point including heterochromatic point and similar different
Color MURA mixed color phenomenon.The colour mixture of OLED screen or mixed point phenomenon are namely when OLED screen shows sprite, its indivedual picture
Vegetarian refreshments shows other colors, by single or a small amount of colour mixture or mixed point are easy to be covered by the normal color on periphery,
Therefore either camera or human eye is all difficult quickly to distinguish.And with the volume production of OLED screen, to the colour mixture of OLED screen
Or the quickly and easily effective detection of mixed point phenomenon becomes more and more important.
Accordingly, it is desirable to provide one kind can be clearly presented when OLED screen shows red, green or blue monochromatic picture with the presence or absence of mixed
Color phenomenon be used for detect the filtering apparatus of OLED screen, the detection means of OLED screen and method.
The content of the invention
It is used to detect the filtering apparatus of OLED screen, the detection means of OLED screen and side it is an object of the invention to provide a kind of
Method, can clearly it be presented when OLED screen shows red, green or blue monochromatic picture with the presence or absence of colour mixture or mixed point phenomenon with realizing, and then
It can also realize and reduce inspection and/or automatic detection.
To reach above-mentioned purpose, the present invention uses following technical proposals：
The invention discloses a kind of filtering apparatus for being used to detect OLED screen, including：Member's rotation is placed in OLED screen in group
With the filter set between gray scale camera, the filter set includes Red lightscreening plate, green color filter and blue color filter.
Preferably, the filter set in filtering apparatus also includes：Full impregnated piece and other wavelength filters.
Preferably, the filtering apparatus also includes：Controller, control in the filter set member's rotation be placed in OLED screen with
Between gray scale camera.
The invention also discloses a kind of detection means of OLED screen, including：Gray scale camera and filtering apparatus, the dress that filters
Put includes red filter including the filter set that member's rotation is placed between OLED screen and gray scale camera in group, the filter set
Piece, green color filter and blue color filter.
Preferably, the filter set in detection means also includes：Full impregnated piece and other wavelength filters.
Preferably, the detection means also includes：Controller, control in the filter set member's rotation be placed in OLED screen with
Between gray scale camera.
Preferably, the controller in detection means also controls the OLED screen to show red, green or blue monochromatic picture.
Preferably, the controller in detection means also controls the gray scale image shot by camera.
The invention also discloses a kind of detection method of OLED screen, comprise the following steps：
Control OLED screen shows red, green or blue monochromatic picture；
Red lightscreening plate, green color filter and blue color filter rotation are placed between OLED screen and gray scale camera, and
Clapped when Red lightscreening plate, green color filter and blue color filter are respectively placed between OLED screen and gray scale camera using gray scale camera
Take the photograph image；
Bright spot or dim spot in the image shot according to gray scale camera, detection OLED screen show that red, green or blue monochromatic is drawn
With the presence or absence of colour mixture or mixed point phenomenon during face.
Preferably, this method also comprises the following steps：
Using controller, control OLED screen shows red, green or blue monochromatic picture, control Red lightscreening plate, green filter
Piece and blue color filter show that red, green or blue monochromatic picture hour wheel is hyperphoric between OLED screen and gray scale camera in OLED screen,
And control the gray scale phase when Red lightscreening plate, green color filter and blue color filter are respectively placed between OLED screen and gray scale camera
Machine shooting image.
Beneficial effects of the present invention are as follows：
Technical scheme of the present invention can be clearly presented when OLED screen shows red, green or blue monochromatic picture with the presence or absence of mixed
Color or mixed point phenomenon, can reduce and examine and can realize automatic detection.
Brief description of the drawings
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings；
Fig. 1 shows the schematic diagram for being used to detect the filtering apparatus of OLED screen that embodiment 1 provides.
Fig. 2 shows the schematic diagram of the detection means for the OLED screen that embodiment 2 provides.
Fig. 3 shows the flow chart of the detection method for the OLED screen that embodiment 3 provides.
Embodiment
In order to illustrate more clearly of the present invention, the present invention is done further with reference to preferred embodiments and drawings
It is bright.Similar part is indicated with identical reference in accompanying drawing.It will be appreciated by those skilled in the art that institute is specific below
The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
Embodiment 1
As shown in figure 1, the filtering apparatus for being used to detect OLED screen that embodiment 1 provides, including member's rotation is placed in group
Filter set between OLED screen and gray scale camera, filter set include Red lightscreening plate, green color filter and blue color filter.
The filtering apparatus for being used to detect OLED screen shown in Fig. 1 uses filter wheel form, and certainly, other forms can also be real
It is existing, if can so that member in filter set can rotation be placed between OLED screen and gray scale camera, Fig. 1 shows filter wheel
Form is simply illustrated.
In embodiment 1, Red lightscreening plate can only allow feux rouges of the wave-length coverage in 770~622nm to pass through green color filter
Wave-length coverage can only be allowed in 577~492nm green glow by the way that blue color filter can only allow wave-length coverage in 492~455nm indigo plant
Light passes through.
In embodiment 1, it is red so that filter set includes Red lightscreening plate, green color filter and blue color filter as an example
Optical filter, green color filter and blue color filter rotation, which are placed between OLED screen and gray scale camera, to be represented to mean red filter
Piece, green color filter and blue color filter are sequentially sequentially placed between OLED screen and gray scale camera in no particular order, i.e. Ke Yishi
Red lightscreening plate is first placed between OLED screen and gray scale camera and then green color filter is placed between OLED screen and gray scale camera most
Blue color filter is placed between OLED screen and gray scale camera afterwards or blue color filter is first placed in OLED screen and gray scale camera
Between then Red lightscreening plate be placed between OLED screen and gray scale camera last green color filter and be placed in OLED screen and gray scale camera
Between, etc..
It is red, green or blue that the filtering apparatus for being used to detect OLED screen that embodiment 1 provides can be used for detection OLED screen to show
With the presence or absence of colour mixture or mixed point phenomenon during sprite.Red monochromatic picture is shown with OLED screen and Red lightscreening plate is first placed in
Between OLED screen and gray scale camera and then green color filter is placed between OLED screen and gray scale camera last blue color filter and is placed in
Exemplified by between OLED screen and gray scale camera, the filtering apparatus for being used to detect OLED screen that embodiment 1 provides can be used for detecting OLED
Screen is shown during red, green or blue monochromatic picture：
First, the Red lightscreening plate in filtering apparatus is made to be placed between OLED screen and gray scale camera, now only feux rouges can
Bright spot is showed in the image that gray scale camera is shot by optical filter, after gray scale image shot by camera, if OLED screen
All pixels point sends feux rouges, then point all in image is bright spot；If some or certain several pixels of OLED screen
Feux rouges is not sent, then corresponding point is dim spot in image；So, the picture of feux rouges is not sent when OLED screen shows red monochromatic picture
Vegetarian refreshments can clearly be presented on image that (but a kind of colour mixture or a mixed point phenomenon also be present is although some pixels have issued feux rouges
But also have issued green glow and/or blue light simultaneously, this just need behind green color filter and blue color filter are respectively placed in
Detecting step between OLED screen and gray scale camera)；
Then, the green color filter in filtering apparatus is made to be placed between OLED screen and gray scale camera, now only green glow can
Bright spot is showed in the image that gray scale camera is shot by optical filter, after gray scale image shot by camera, if OLED screen
All pixels point only sends feux rouges, then point all in image is dim spot；If some or certain several pixels of OLED screen
Point sends green glow (also sending feux rouges and/or blue light while including only sending green glow, or send green glow), then in image corresponding to
Point is bright spot；So, the pixel of green glow is have issued when OLED screen shows red monochromatic picture to be clearly presented on image；
Finally, the blue color filter in filtering apparatus is made to be placed between OLED screen and gray scale camera, now only blue light can
Bright spot is showed in the image that gray scale camera is shot by optical filter, after gray scale image shot by camera, if OLED screen
All pixels point only sends feux rouges, then point all in image is dim spot；If some or certain several pixels of OLED screen
Point sends blue light (also sending feux rouges and/or green glow while including only sending blue light, or send blue light), then in image corresponding to
Point is bright spot；So, the pixel of blue light is have issued when OLED screen shows red monochromatic picture to be clearly presented on image.
As can be seen here, the Red lightscreening plate, the green filter that are used to detect in the filtering apparatus of OLED screen that embodiment 1 provides
Piece and blue color filter be respectively placed between OLED screen and gray scale camera once i.e. can be achieved complete detection OLED screen show it is red,
With the presence or absence of colour mixture or mixed point phenomenon during green or blue monochromatic picture, such as when detecting OLED screen display red monochromatic picture,
Although clear be presented the pixel for not sending feux rouges and have issued feux rouges but be also simultaneously emitted by the pixel of green glow and/or blue light
Point.
In the specific implementation, the filter set in the filtering apparatus for detecting OLED screen may also include：Full impregnated piece and
Other standby wavelength filters are shown as in Fig. 1, other wavelength filters are and Red lightscreening plate, green color filter and blueness
The different optical filter of wave-length coverage corresponding to optical filter, the i.e. red filter except corresponding red wavelength range (770~622nm)
Piece, corresponding green wavelength (577~492nm) green color filter and corresponding blue wavelength range (492~455nm) blueness filter
The optical filter of other wavelength is corresponded to outside mating plate, such as 470~460nm optical filters (can only allow wave-length coverage in 470~460nm
Blue light pass through), 635nm optical filters (can only allow wavelength be 635nm feux rouges pass through) etc..Full impregnated piece and other wavelength filter
The effect of piece is pre- to need to detect the light of other wavelength sent when OLED screen shows other pictures to make in practice or in the future
It is standby.
In the specific implementation, the filtering apparatus also includes：Controller, member's rotation in filter set is controlled to be placed in OLED screen
Between gray scale camera.So, can be achieved filtering apparatus be used to detect when OLED screen shows red, green or blue monochromatic picture whether
The automatic alternate of each optical filter, realizes automatic detection to a certain extent when colour mixture or mixed point phenomenon be present.
Embodiment 2
As shown in Fig. 2 the detection means for the OLED screen that embodiment 2 provides, including gray scale camera and filtering apparatus, wherein filtering
The part, structure and each component function all same that are used to detect the filtering apparatus of OLED screen that electro-optical device provides with embodiment 1, it is real
The course of work when detection means of OLED screen of the offer of example 2 detects to OLED screen is applied also with illustrating in embodiment 1
The filtering apparatus for being used to detect OLED screen that bright embodiment 1 provides can be used for detection OLED screen to show red, green or blue monochromatic
It is similar with the presence or absence of the course of work of colour mixture or mixed point phenomenon during picture, it will not be repeated here.
In the specific implementation, the detection means for the OLED screen that embodiment 2 provides also includes controller, the control in detection means
Except controlling in addition to member's rotation is placed between OLED screen and gray scale camera in filter set, also controllable OLED screen is shown device processed
Red, green or blue monochromatic picture and/or control gray scale image shot by camera.So, automatic detection can be realized to a greater extent.
Embodiment 3
As shown in figure 3, the detection method for the OLED screen that embodiment 3 provides comprises the following steps：
Control OLED screen shows red, green or blue monochromatic picture；
Red lightscreening plate, green color filter and blue color filter rotation are placed between OLED screen and gray scale camera, and
Clapped when Red lightscreening plate, green color filter and blue color filter are respectively placed between OLED screen and gray scale camera using gray scale camera
Take the photograph image；
Bright spot or dim spot in the image shot according to gray scale camera, detection OLED screen show that red, green or blue monochromatic is drawn
With the presence or absence of colour mixture or mixed point phenomenon during face.
In the specific implementation, this method also comprises the following steps：
Using controller, control OLED screen shows red, green or blue monochromatic picture, and controls Red lightscreening plate, green filter
Mating plate and blue color filter OLED screen show red, green or blue monochromatic picture hour wheel it is hyperphoric in OLED screen and gray scale camera it
Between, and control grey when Red lightscreening plate, green color filter and blue color filter are respectively placed between OLED screen and gray scale camera
Spend image shot by camera.So, automatic detection can be realized to a greater extent.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention, for those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms, all embodiments can not be exhaustive here, it is every to belong to this hair
Row of the obvious changes or variations that bright technical scheme is extended out still in protection scope of the present invention.
Claims (10)
1. a kind of filtering apparatus for being used to detect OLED screen, it is characterised in that the filtering apparatus includes：Member's rotation is placed in group
Filter set between OLED screen and gray scale camera, the filter set include Red lightscreening plate, green color filter and blueness filter
Mating plate.
2. the filtering apparatus according to claim 1 for being used to detect OLED screen, it is characterised in that the filter set is also wrapped
Include：Full impregnated piece and other wavelength filters.
3. the filtering apparatus according to claim 1 or 2 for being used to detect OLED screen, it is characterised in that the filtering apparatus is also
Including：Controller, member's rotation in the filter set is controlled to be placed between OLED screen and gray scale camera.
4. a kind of detection means of OLED screen, it is characterised in that the device includes：Gray scale camera and filtering apparatus, the optical filtering
Device includes the filter set that member's rotation is placed between OLED screen and gray scale camera in group, and the filter set includes red filter
Mating plate, green color filter and blue color filter.
5. the detection means of OLED screen according to claim 4, it is characterised in that the filter set also includes：Full impregnated
Piece and other wavelength filters.
6. the detection means of the OLED screen according to claim 4 or 5, it is characterised in that the detection means also includes：Control
Device, member's rotation in the filter set is controlled to be placed between OLED screen and gray scale camera.
7. the detection means of OLED screen according to claim 6, it is characterised in that the controller also controls the OLED
Screen shows red, green or blue monochromatic picture.
8. the detection means of OLED screen according to claim 6, it is characterised in that the controller also controls the gray scale
Image shot by camera.
9. a kind of detection method of OLED screen, it is characterised in that this method comprises the following steps：
Control OLED screen shows red, green or blue monochromatic picture；
Red lightscreening plate, green color filter and blue color filter rotation are placed between OLED screen and gray scale camera, and in red
Gray scale camera shooting figure is utilized when optical filter, green color filter and blue color filter are respectively placed between OLED screen and gray scale camera
Picture；
Bright spot or dim spot in the image shot according to gray scale camera, when detection OLED screen shows red, green or blue monochromatic picture
With the presence or absence of colour mixture or mixed point phenomenon.
10. the detection method of OLED screen according to claim 9, it is characterised in that this method also comprises the following steps：
Using controller, control OLED screen show red, green or blue monochromatic picture, control Red lightscreening plate, green color filter and
Blue color filter shows that red, green or blue monochromatic picture hour wheel is hyperphoric between OLED screen and gray scale camera in OLED screen, and controls
System gray scale camera when Red lightscreening plate, green color filter and blue color filter are respectively placed between OLED screen and gray scale camera is clapped
Take the photograph image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710750982.XA CN107402119A (en) | 2017-08-28 | 2017-08-28 | For detecting the filtering apparatus of OLED screen, the detection means of OLED screen and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710750982.XA CN107402119A (en) | 2017-08-28 | 2017-08-28 | For detecting the filtering apparatus of OLED screen, the detection means of OLED screen and method |
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Family
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| CN201710750982.XA Pending CN107402119A (en) | 2017-08-28 | 2017-08-28 | For detecting the filtering apparatus of OLED screen, the detection means of OLED screen and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108259763A (en) * | 2018-03-27 | 2018-07-06 | 苏州佳智彩光电科技有限公司 | A kind of camera and OLED signal generator Fast synchronization image-pickup methods |
| CN108680343A (en) * | 2018-05-22 | 2018-10-19 | 歌尔股份有限公司 | A kind of flexible screen detection method and detection device |
| CN110361165A (en) * | 2019-06-22 | 2019-10-22 | 四川奥希特电子材料有限公司 | A kind of equipment for the manufacturing method and its manufacture testing and analyzing equipment for liquid crystal display blue light components |
| CN112798235A (en) * | 2021-03-19 | 2021-05-14 | 武汉精测电子集团股份有限公司 | Method and device for detecting micro or miniature defects |
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