CN110047421A - A kind of classification method of display panel - Google Patents
A kind of classification method of display panel Download PDFInfo
- Publication number
- CN110047421A CN110047421A CN201910451287.2A CN201910451287A CN110047421A CN 110047421 A CN110047421 A CN 110047421A CN 201910451287 A CN201910451287 A CN 201910451287A CN 110047421 A CN110047421 A CN 110047421A
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- colour cast
- display panel
- vector
- visual angle
- display
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2003—Display of colours
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
Abstract
The embodiment of the invention discloses a kind of classification methods of display panel.This method obtains the display coloration at the first default visual angle of display panel and the display coloration at the second default visual angle；Calculate the colour cast difference vector of the display coloration at the described first default visual angle relative to the display coloration at the second default visual angle；Classified according to the colour cast difference vector to the display panel.The embodiment of the present invention, which is realized, carries out more accurate judgement to the colour cast of display panel, to carry out more accurate classification to display panel, so that the display panel of factory is more able to satisfy the requirement of user, the user experience is improved.
Description
Technical field
The present embodiments relate to display technology more particularly to a kind of classification methods of display panel.
Background technique
With the development of display technology, people require higher and higher, existing display to the image display quality of display panel
Panel there are problems that showing that deviation is display field urgent problem to be solved in different perspectives.
Summary of the invention
The present invention provides a kind of denomination of invention, carries out more accurate judgement to the colour cast of display panel to realize, thus
More accurate classification is carried out to display panel, so that the display panel of factory is more able to satisfy the requirement of user, promotes user's body
It tests.
The embodiment of the invention provides a kind of classification methods of display panel, comprising:
Obtain the display coloration at the first default visual angle of display panel and the display coloration at the second default visual angle；
Calculate the colour cast of the display coloration at the described first default visual angle relative to the display coloration at the described second default visual angle
Difference vector；
Classified according to the colour cast difference vector to the display panel.
Optionally, classified according to the colour cast difference vector to the display panel, comprising:
Calculate the colour cast vector size and colour cast direction vector of the colour cast difference vector；
Preliminary classification is carried out to the display panel according to the colour cast vector size, and according to the colour cast direction vector
Classify to the display panel.
Optionally, preliminary classification is carried out to the display panel according to the colour cast vector size, and according to the colour cast
Direction vector classifies to the display panel, comprising:
When the colour cast vector size is greater than the first given threshold, and when less than the second given threshold, according to the colour cast
Direction vector classifies to the display panel.
Classified according to the colour cast difference vector to the display panel, comprising:
Calculate the colour cast vector size and colour cast direction vector of the colour cast difference vector；
Preliminary classification is carried out to the display panel according to the colour cast direction vector, and according to the colour cast vector size
Classify to the display panel.
Optionally, this method further include:
Obtain the display brightness at the first default visual angle of display panel and the display brightness at the second default visual angle；
Calculate the luminance difference of the display brightness at the described first default visual angle and the display brightness at the second default visual angle；
Classified according to the luminance difference and the colour cast difference vector to the display panel.
Optionally, classified according to the luminance difference and the colour cast difference vector to the display panel, comprising:
Calculate the colour cast vector size and colour cast direction vector of the colour cast difference vector；
When the colour cast vector size is greater than the first given threshold, and constantly less than the second given threshold, according to the color
Inclined direction vector and the luminance difference classify to the display panel.
Optionally, obtain the first default visual angle of display panel display coloration and the second default visual angle display coloration it
Before, further includes:
The display panel is driven to show white picture.
Optionally, the described second default visual angle is zero visual angle, and zero visual angle is sight perpendicular to the display panel
The visual angle of light-emitting surface.
Optionally, the first default visual angle includes at least two different visual angles.
Optionally, according to colour cast vector size in at least two different corresponding at least two colour casts difference vectors in visual angle
Maximum value and/or colour cast direction vector determine the classification of display panel.
The embodiment of the present invention is by calculating display color of the display coloration at the first default visual angle relative to the second default visual angle
The colour cast difference vector of degree, and classified according to colour cast difference vector to display panel, since colour cast difference vector can not only
Embody the order of magnitude of colour cast, moreover it is possible to embody the direction of colour cast, the scheme of the present embodiment judges more the colour cast of display panel
To be accurate, so that the classification to display panel is more accurate, so that the display panel of factory is more able to satisfy the requirement of user, promoted
User experience.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the classification method of display panel provided in an embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
There is display deviation in different perspectives in display panel just as mentioned in the background art, inventor passes through
It realizes the study found that generalling use limit sample and artificial observation in the prior art and carrying out classification to display panel to display offset issue
Control, by artificial observation carry out classification can have subjective vision difference, cause display panel factory back angle coloration difference
The opposite sex does not still improve.
Based on the above issues, a kind of classification method of display panel is present embodiments provided, Fig. 1 is that the embodiment of the present invention mentions
A kind of flow chart of the classification method of the display panel supplied, with reference to Fig. 1, this method comprises:
Step 110, obtain display panel the first default visual angle display coloration and the second default visual angle display coloration.
Step 120 calculates display color of the display coloration at the first default visual angle relative to the described second default visual angle
The colour cast difference vector of degree.
Step 130 classifies to the display panel according to the colour cast difference vector.
Wherein, the first default visual angle and the second default visual angle are different visual angles, can use visual angle optical measuring apparatus
The display coloration at the first default visual angle and the display coloration at the second default visual angle are obtained respectively.Show coloration generally by chromaticity coordinates table
Show, therefore passes through when the colour cast difference vector of the display coloration and the display coloration at the second default visual angle at the first default visual angle of calculating
Chromaticity coordinates calculates the colour cast difference vector.
It is sweared according to the colour cast of colour cast difference vector in addition, being classified according to colour cast difference vector to the display panel
Amount size and colour cast direction vector are classified.Wherein, colour cast vector size is the vector size of colour cast difference vector, colour cast arrow
Measure the direction vector that direction is colour cast difference vector.Colour cast vector size reacts the order of magnitude of colour cast, colour cast direction vector
The type of colour cast is reflected, illustratively, when being displayed in white picture, the corresponding colour cast type of different colour cast direction vectors is not
Together, such as the different corresponding colour casts in colour cast direction may be partially yellow, partially red or indigo plant partially.
The scheme of the present embodiment is by calculating the display coloration at the first default visual angle and the display coloration at the second default visual angle
Colour cast difference vector, and classified according to colour cast difference vector to display panel, since colour cast difference vector can not only body
The order of magnitude of existing colour cast, moreover it is possible to embody the direction of colour cast, the scheme of the present embodiment judges more the colour cast of display panel
Accurately, it so that the classification to display panel is more accurate, so that the display panel of factory is more able to satisfy the requirement of user, is promoted and is used
Family experience, and improve the compensation precision of the subsequent compensation that display difference is carried out to display panel.
It should be noted that the second default visual angle can be the visual angle that user most often watches.Illustratively, user most often sees
The visual angle seen is zero visual angle, and it is zero visual angle that the second default visual angle, which can be set, and the first default visual angle is the visual angle except zero visual angle,
When the visual angle that user most often watches is 15 degree of visual angles, it is 15 degree of visual angles that the second default visual angle, which can be set, and the first default visual angle is
Visual angle except 15 degree of visual angles.In addition, the first default visual angle and the second default visual angle can also be any different visual angle, in this way
The colour cast at display panel any two visual angle can be judged.
Optionally, classified according to the colour cast difference vector to the display panel, comprising:
Calculate the colour cast vector size and colour cast direction vector of the colour cast difference vector；
Preliminary classification is carried out to the display panel according to the colour cast vector size, and according to the colour cast direction vector
Classify to the display panel.
Specifically, the lesser display panel of colour cast vector size can be divided into one kind, colour cast vector size is biggish
Display panel is divided into one kind, and colour cast vector size is located in the middle classifies according to colour cast direction vector.It can also be according to color
Inclined vector size, is divided into multiclass for display panel, is being classified to every one kind according to colour cast direction vector.Illustratively, may be used
To be the one kind that is divided into of 0-30 degree by colour cast direction vector, 30-60 points are one kind, and so on.
The present embodiment first carries out preliminary classification to the display panel according to colour cast vector size, further according to colour cast vector side
Classify to display panel so that the colour cast of display panel is judged it is more accurate, thus more to the classification of display panel
To be accurate, so that the display panel of factory is more able to satisfy the requirement of user, user experience is promoted.In addition, being sweared first according to colour cast
It measures size and preliminary classification is carried out to display panel, can first separate the biggish display panel of colour cast vector size, then to colour cast
The panel that vector size is met the requirements is finely divided, and reduces the workload of classification, improves classification rate.
Optionally, classified according to the colour cast vector size and colour cast direction vector to the display panel, comprising:
When the colour cast vector size is greater than the first given threshold, and when less than the second given threshold, according to the colour cast
Direction vector classifies to the display panel.
Specifically, due to when colour cast vector size is smaller eye recognition not go out the colour cast, without to such display panel into
Such display panel can be classified as one kind when colour cast vector size is greater than the first given threshold by row subdivision.Colour cast vector is big
When small larger, colour cast is excessively obvious, and display panel is second-rate, is unsatisfactory for user's requirement, without being finely divided to it, therefore works as
Colour cast vector size, which is greater than the second given threshold, can be classified as one kind for display panel.When the colour cast vector size is greater than first
Given threshold, and when less than the second given threshold, classified according to the colour cast direction vector to the display panel, is being protected
The colour cast of display panel can be judged more accurate by having demonstrate,proved, thus while the classification to display panel is more accurate, be reduced
Classification workload, improves classification effectiveness.
It should be noted that the first given threshold and the second given threshold can property according to display panel and users
It is required that determining.
Optionally, after being classified according to the colour cast direction vector to the display panel, further includes:
Classified to every a kind of display panel according to the colour cast vector size.In this way, can be to display panel
Colour cast carry out more careful accurate classification, different user demands can be applicable in, promote user experience.
Illustratively, when colour cast vector size is greater than the first given threshold, and when less than the second given threshold, according to colour cast
Display panel has been divided into n class by direction vector, when colour cast vector size of the user to display panel has higher requirements, Ke Yigen
Every a kind of display panel is finely divided according to colour cast vector size, in this way can display panel to each colour cast type according to color
Inclined severity (colour cast vector size is bigger, and colour cast is more serious) further progress classification.
Optionally, classified according to the colour cast difference vector to the display panel, comprising:
Calculate the colour cast vector size and colour cast direction vector of the colour cast difference vector；
Preliminary classification is carried out to the display panel according to the colour cast direction vector, and according to the colour cast vector size
Classify to the display panel.
Wherein, carrying out preliminary classification to display panel according to colour cast direction vector is the first colour cast type according to display panel
Preliminary classification is carried out, is classified display panel i.e. according to colour cast vector size to each colour cast further according to colour cast vector size
The display panel of type is finely divided.
Specifically, certain user may not be needed the display panel of certain colour cast types, it is square in right amount according to colour cast by elder generation
Preliminary classification is carried out to display panel, can first remove the display panel that colour cast type is unsatisfactory for user demand, then to colour cast
The display panel that type meets user demand is finely divided according to colour cast vector size, can be to the color of display panel ensure that
Judge partially more accurate, to reduce classification workload while the classification to display panel is more accurate, improves classification
Efficiency.
Optionally, this method further include:
Obtain the display brightness at the first default visual angle of display panel and the display brightness at the second default visual angle；
Calculate the luminance difference of the display brightness at the described first default visual angle and the display brightness at the second default visual angle；
Classified according to the luminance difference and the colour cast difference vector to the display panel.
Specifically, due to the excessive image displaying quality that also will affect different perspectives of the luminance difference of different display view angles,
By being divided according to the luminance difference and colour cast difference vector at the first default visual angle and the second default visual angle display panel
Class, so that more accurate to the display diversity judgement of the different perspectives of display panel, it is more accurate to classify, so that according to different use
Family requires the display panel of factory to be more able to satisfy user demand, is more advantageous to promotion user experience, and is subsequent to display panel
The compensation for carrying out display difference provides foundation.
Optionally, classified according to the luminance difference and the colour cast difference vector to the display panel, comprising:
Calculate the vector size and direction vector of the colour cast difference vector；
When the colour cast vector size is greater than the first given threshold, and when less than the second given threshold, according to the colour cast
Direction vector and the luminance difference classify to the display panel.
Specifically, can first be classified according to colour cast direction vector to display panel, according to luminance difference to it is every it is a kind of into
Row subdivision.It can also first be classified according to luminance difference to display panel, be classified further according to colour cast direction vector.
Illustratively, the display panel that luminance difference is greater than third given threshold can be divided into one kind, due to luminance difference
Different biggish display panel is unsatisfactory for user's requirement, can not be finely divided to such display panel, only to luminance difference less than the
The display panel of three given thresholds is finely divided according to colour cast direction vector, can reduce classification workload, and promote user's body
It tests.
It should be noted that the size of third given threshold can require to set according to the property of display panel and user
Fixed, illustratively, third given threshold can be less than or equal to the display brightness that 10%* second sets visual angle.
Optionally, obtain the first default visual angle of display panel display coloration and the second default visual angle display coloration it
Before, further includes:
The display panel is driven to show white picture.
Specifically, showing that the sub-pixel unit of three kinds of colors of RGB when white picture shows maximum gray, i.e. RGB
The sub-pixel unit of three kinds of colors shows maximum chrominance, can more react the luminous colour cast water of RGB sub-pixel unit at this time
It is flat, and by dialogue picture detect can to the feux rouges of the sending of the sub-pixel unit of three kinds of colors of RGB, green light and
The colour cast level of blue light carries out overall merit.
Optionally, the described second default visual angle is zero visual angle, and zero visual angle is sight perpendicular to the display panel
The visual angle of light-emitting surface.
Specifically, since general display panel at zero visual angle does not have a colour cast, and display brightness is maximum, at other visual angles
It just will appear display difference, be zero visual angle by the second setting time of setting, it can be preferably to display panel different perspectives
Display difference is judged.
Optionally, the first default visual angle includes at least two different visual angles.
Specifically, since the first different default visual angles is different relative to the display difference at the second default visual angle, by setting
Setting the first default visual angle includes at least two different visual angles, visual angle colour cast and view that can more comprehensively to display panel
Angular brightness difference is judged, to more accurately be classified to display panel, so that the display panel of factory is more able to satisfy
User requires.
It should be noted that the first default visual angle can be determined according to the display characteristic of display panel, colour cast can choose
The biggish visual angle of vector distribution illustratively can choose 30 degree, 45 degree or 60 degree etc., this reality as the first default visual angle
It applies example and is not specifically limited.
Optionally, according to colour cast vector size in at least two different corresponding at least two colour casts difference vectors in visual angle
Maximum value and/or colour cast direction vector determine the classification of display panel.
Specifically, when the maximum value of the colour cast vector size of at least two colour cast difference vectors is greater than the second given threshold,
Or when the colour cast vector size of at least two colour cast difference vectors is respectively less than the first given threshold, according to colour cast vector size
Maximum value determine the classification of display panel.When the maximum value of the colour cast vector size of at least two colour cast difference vectors is greater than the
One given threshold and when less than the second given threshold, determines the classification of display panel according to colour cast direction vector or is sweared according to colour cast
The maximum value of amount direction and colour cast vector size determines the classification of display panel jointly.
Illustratively, when at least two colour cast difference vectors colour cast vector size maximum value be greater than first setting threshold
Value and when less than the second given threshold, if the colour cast direction vector difference of at least two colour cast difference vectors is larger, at this time should
Display panel may be defect ware, then the display panel is classified as one kind.Illustratively, if the first default visual angle of setting includes 30 degree
With 45 degree, the first default visual angle be 30 degree when, colour cast direction vector be 50 degree, the first default visual angle be 45 degree when colour cast vector side
It is spent to for -45, then colour cast direction vector inverts, and there are larger problems for the display panel, can be classified as one kind.If extremely
The colour cast direction vector of few two colour cast difference vectors is not much different, then is determined according to the maximal angle value of colour cast direction vector aobvious
Show the classification of panel or common determine is determined according to the maximal angle value of colour cast direction vector and the maximum value of colour cast vector size
The classification of display panel.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts, be combined with each other and substitutes without departing from protection scope of the present invention.Therefore, although by above embodiments to this
Invention is described in further detail, but the present invention is not limited to the above embodiments only, is not departing from present inventive concept
In the case of, it can also include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of classification method of display panel characterized by comprising
Obtain the display coloration at the first default visual angle of display panel and the display coloration at the second default visual angle；
Calculate the colour cast difference of the display coloration at the described first default visual angle relative to the display coloration at the described second default visual angle
Vector；
Classified according to the colour cast difference vector to the display panel.
2. the method according to claim 1, wherein according to the colour cast difference vector to the display panel into
Row classification, comprising:
Calculate the colour cast vector size and colour cast direction vector of the colour cast difference vector；
Preliminary classification is carried out to the display panel according to the colour cast vector size, and according to the colour cast direction vector to institute
Display panel is stated to classify.
3. according to the method described in claim 2, it is characterized in that, according to the colour cast vector size to the display panel into
Row preliminary classification, and classified according to the colour cast direction vector to the display panel, comprising:
When the colour cast vector size is greater than the first given threshold, and when less than the second given threshold, according to the colour cast vector
Classify to the display panel in direction.
4. the method according to claim 1, wherein according to the colour cast difference vector to the display panel into
Row classification, comprising:
Calculate the colour cast vector size and colour cast direction vector of the colour cast difference vector；
Preliminary classification is carried out to the display panel according to the colour cast direction vector, and according to the colour cast vector size to institute
Display panel is stated to classify.
5. the method according to claim 1, wherein further include:
Obtain the display brightness at the first default visual angle of display panel and the display brightness at the second default visual angle；
Calculate the luminance difference of the display brightness at the described first default visual angle and the display brightness at the second default visual angle；
Classified according to the luminance difference and the colour cast difference vector to the display panel.
6. according to the method described in claim 5, it is characterized in that, according to the luminance difference and the colour cast difference vector pair
The display panel is classified, comprising:
Calculate the colour cast vector size and colour cast direction vector of the colour cast difference vector；
When the colour cast vector size is greater than the first given threshold, and constantly less than the second given threshold, sweared according to the colour cast
Amount direction and the luminance difference classify to the display panel.
7. the method according to claim 1, wherein obtaining the display coloration at the first default visual angle of display panel
Before the display coloration at the second default visual angle, further includes:
The display panel is driven to show white picture.
8. method according to claim 1-7, it is characterised in that:
The second default visual angle is zero visual angle, and zero visual angle is view of the sight perpendicular to the light-emitting surface of the display panel
Angle.
9. method according to claim 1-7, it is characterised in that:
First default visual angle includes at least two different visual angles.
10. according to the method described in claim 9, it is characterized by:
According to the maximum value of colour cast vector size in at least two different corresponding at least two colour casts difference vectors in visual angle and/
Or colour cast direction vector determines the classification of display panel.
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