CN107086021A - The mura compensation systems and method of display screen - Google Patents
The mura compensation systems and method of display screen Download PDFInfo
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- CN107086021A CN107086021A CN201710262170.0A CN201710262170A CN107086021A CN 107086021 A CN107086021 A CN 107086021A CN 201710262170 A CN201710262170 A CN 201710262170A CN 107086021 A CN107086021 A CN 107086021A
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- display screen
- base station
- fixed base
- view data
- mura
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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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
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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
- G09G2320/02—Improving the quality of display appearance
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- Theoretical Computer Science (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The disclosure provides a kind of the mura compensation systems and method of display screen.The mura compensation systems of the display screen include：Fixed base station, for fixing the display screen；Image collecting device, for gathering the view data under the display screen luminance；Data processing equipment, it connects the fixed base station and described image harvester, for receiving described image data and carrying out the mura offset datas that analysis meter calculation obtains the display screen.The disclosure can realize the mura compensation of display screen.
Description
Technical field
This disclosure relates to display technology field, in particular to the mura compensation systems and method of a kind of display screen.
Background technology
Mura refers to the display non-uniform phenomenon of display panel, and it is produced due to factors such as technological level, material purities
It is raw, it is the technical problem of display technology field generally existing.With the fast development of video display technology, large scale super-resolution
Rate, ultra-narrow frame Display Technique become the focus of Ge Jia panels factory emphasis competition, however as the increase of size, display panel
Technique controlling difficulty increase, manufacture craft control deviation easily causes picture homogeneity and is deteriorated and produces mura, and this will be direct
The yield of display panel is caused to decline so that manufacturer sustains a loss.Although pure by improving technological level or raising raw material
The methods such as degree can reduce the probability of happening of mura phenomenons, but this not can overnight accomplish and difficulty is larger, and right
In the display panel completed, its physical characteristic has been shaped, it is impossible to by improving technological level or improving former material
The method of material purity solves the problems, such as mura., can be by the side that compensates pixel display data to the display panel being made
Formula improves mura phenomenons.
OLED (Organic Light-Emitting Diode) camber display screen is due to technology stability, technology maturity
Deng influence, be commonly present that mura is bad in display panel, i.e. the intrinsic brilliance of partial pixel is partially darker than the theoretical brightness that should be shown
Or it is partially bright.The method of optical compensation is generally available to lift product yield, and folding camber display screen is carrying out optics benefit
When repaying, the compensation of bending curved surface turns into a big difficult point, do not have temporarily at present mura external compensations equipment for camber display screen with
The proposition of scheme.
Therefore, also there is the part that has much room for improvement in technical scheme of the prior art.
It should be noted that information is only used for strengthening the reason of background of this disclosure disclosed in above-mentioned background section
Solution, therefore can include not constituting the information to prior art known to persons of ordinary skill in the art.
The content of the invention
The purpose of the disclosure is the mura compensation systems and method for providing a kind of display screen, and then at least to a certain degree
On overcome one or more problem caused by limitation and defect due to correlation technique.
Other characteristics and advantage of the disclosure will be apparent from by following detailed description, or partially by this public affairs
The practice opened and acquistion.
According to an aspect of this disclosure there is provided a kind of mura compensation systems of display screen, including：
Fixed base station, for fixing the display screen；
Image collecting device, for gathering the view data under the display screen luminance；
Data processing equipment, it connects the fixed base station and described image harvester, for receiving described image number
According to and carry out analysis meter and calculate to obtain the mura offset datas of the display screen.
In a kind of exemplary embodiment of the disclosure, the display screen is camber display screen, wherein, the curved-surface display
Screen at least includes curved surface area.
In a kind of exemplary embodiment of the disclosure, the fixed base station includes air pump with holes, and it is used to adsorb described
On camber display screen and the fixed base station, wherein, fixed base station contact with camber display screen configuration of surface phase
Matching.
In a kind of exemplary embodiment of the disclosure, the fixed base station includes rotary shaft, and it is used to adjust described solid
Determine base station rotation in preset direction in setting range and precision, shown with coordinating described image harvester to gather the curved surface
The view data of the curved surface area of display screen.
In a kind of exemplary embodiment of the disclosure, the system also includes：Image collecting device control module, is used for
The shift position of described image harvester is adjusted, to carry out the contraposition of the fixed base station and described image harvester.
In a kind of exemplary embodiment of the disclosure, the fixed base station is arranged on vibration isolators, and the fixed base
Platform is arranged within a darkroom with described image harvester.
According to an aspect of this disclosure there is provided a kind of mura compensation methodes of display screen, including：
The fixed display screen is on fixed base station；
Gather the view data under the display screen luminance；
Described image data are carried out with analysis and calculates the mura offset datas for obtaining the display screen.
In a kind of exemplary embodiment of the disclosure, the display screen is camber display screen, and it at least includes curved regions
Domain, wherein, the view data under the display screen luminance is gathered, including：
The position of the fixed base station and image collecting device is adjusted, the view data of the curved surface area is gathered.
In a kind of exemplary embodiment of the disclosure, the position of the fixed base station and image collecting device is adjusted, is adopted
Collect the view data of the curved surface area, including：
The first step, n parts are divided into by the curved surface area；
Second step, by rotating the fixed base station and/or mobile described image harvester, shoots the curved surface area
I-th section view data；
3rd step, i-th section view data and preservation is intercepted using brightness maxima described in target identification；
4th step, circulation performs above-mentioned second step and the 3rd step, until completing adopting for the view data of the curved surface area
Collection.
In a kind of exemplary embodiment of the disclosure, described image data are carried out with analysis calculating and obtains the display screen
Mura offset datas, including：
Spliced according to the view data of the curved surface area；
The mura offset datas are calculated according to spliced view data.
In the mura compensation systems and method of the display screen of some embodiments of the disclosure, by the way that display screen is fixed on
Determine on base station, and gather the view data under the display screen luminance, can be with by the view data progress processing to collection
The mura offset datas of the display screen are obtained, the mura optical compensations of the display screen are realized.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
The disclosure can be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the disclosure
Example, and be used to together with specification to explain the principle of the disclosure.It should be evident that drawings in the following description are only the disclosure
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 shows a kind of schematic diagram of the mura compensation systems of display screen in disclosure exemplary embodiment.
Fig. 2 shows the schematic diagram of the mura compensation systems of another display screen in disclosure exemplary embodiment.
Fig. 3 shows a kind of schematic diagram of fixed base station in disclosure exemplary embodiment.
Fig. 4 shows a kind of flow chart of the mura compensation methodes of display screen in disclosure exemplary embodiment.
Fig. 5 shows the flow chart of the mura compensation methodes of another display screen in disclosure exemplary embodiment.
Fig. 6 shows the schematic diagram of the image data acquiring of the curved surface area of display screen in disclosure exemplary embodiment.
Embodiment
Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to example set forth herein；Described feature, structure or characteristic can be with any suitable
Mode combine in one or more embodiments.In the following description there is provided many details so as to provide to this
Disclosed embodiment is fully understood.It will be appreciated, however, by one skilled in the art that the technical scheme of the disclosure can be put into practice
And omit one or more in the specific detail, or can be using other methods, constituent element, device, step etc..
It is pointed out that in the accompanying drawings, the size in layer and region may be clearly exaggerated for diagram.And can be with
Understand, when element or layer be referred to as another element or layer " on " when, it can be directly in other elements, or there may be
Middle layer.Additionally, it is appreciated that when element or layer be referred to as another element or layer " under " when, it can be directly at other
Under element, or there may be the layer or element of more than one centre.In addition, it is to be appreciated that when layer or element are referred to as
Two layers or two elements " between " when, it can be unique layer between two layers or two elements, or can also be in the presence of one
Intermediate layer above or element.Similar reference marker indicates similar element in the whole text.
Fig. 1 shows a kind of schematic diagram of the mura compensation systems of display screen in disclosure exemplary embodiment.Need explanation
, in the embodiment of the present disclosure, mura refer to brightness of display screen, colourity etc. it is uneven caused by display trace and display it is uneven
Deng belonging to generic noun in display field.
As shown in figure 1, the mura compensation systems 10 of the display screen can include fixed base station 100, image collecting device 110
And data processing equipment 130.Wherein, data processing equipment 120 is respectively with fixing base station 100 and the phase of image collecting device 110
Connection.
Wherein, fixed base station 100 can be used for fixing the display screen.
In certain embodiments, the display screen can be fixed on the upper surface of fixed base station 100.But the disclosure is not limited
Due to this, for example, the display screen can also be fixed on to any one side of fixed base station 100, even for curved-surface display
For screen, its can a part be arranged at the fixed upper surface of base station 100, and another part is arranged at any of fixed base station 100
One or more side.
In the exemplary embodiment, fixed base station 100 can be adjusted in solid space rotates and with adsorption function.Tool
Body realizes that the fixed adjustment rotating function of base station 100 and adsorption function can use arbitrary mode, and the disclosure is not construed as limiting to this.
In the exemplary embodiment, the display screen can include camber display screen or Rigid displays.
In one exemplary embodiment, the display screen is camber display screen.Wherein, the camber display screen at least includes
Curved surface area.In certain embodiments, the camber display screen can only include the curved surface of curved surface area, such as such as 6500R
Screen.But in further embodiments, the camber display screen can also include plane area in addition to including the curved surface area
Domain.
The targeted display screen of the embodiment of the present invention is such as, but not limited to plasma panel, LCDs (LCD), hair
Optical diode display screen (LED) or organic light-emitting diode (OLED) display screen (OLED).
Wherein, image collecting device 110 can be used for gathering the display screen being fixed on the fixed base station and light
View data under state.
In the exemplary embodiment, image collecting device 110 can be using imaging sensor, phases such as arbitrary CMOS, CCD
Machine, video camera are shot, and are illustrated in the following examples by taking high-resolution CCD camera as an example, but the disclosure
It is not limited to this.
In the exemplary embodiment, the upper surface of fixation base station 100 of the image collecting device 110 with placing the display screen
Or side cooperates, i.e., image collecting device 110 is towards the display screen being positioned on fixed base station 100 and can collect
View data under the display screen luminance.
In the exemplary embodiment, the mura compensation systems 10 of the display screen can also include：Image collecting device is controlled
Module, can be used for the shift position for adjusting image collecting device 110, so that base station 100 and image collecting device 110 is fixed
Contraposition.For example, can be by the way that the image collecting device control module is to the horizontal direction of image collecting device 110 and/or hangs down
Nogata is to moving, so that image collecting device 110 can collect target under its desired display screen luminance
The view data in region (plane domain or curved surface area).
In the exemplary embodiment, the detection picture shown by the display screen can be obtained by image collecting device 110
The image in face, it is possible to by the display data matrix of the image zooming-out three primary colours of the detection picture.Gray scale can wherein be chosen
Value is as display data, and resolution ratio is M × N display screen display detection picture, the RGB three primary colours of the detection picture all pixels
Gray value is a setting gray value, i.e., described detection picture can be pure color grey menu.But the disclosure is not limited to this.
For example, R gradations value, G gradations value and the B gradation values of detection picture all pixels are 63, reason
Detect that picture should be the picture of pure color GTG 63 in the case of thinking, but because the reasons such as technological level and material purity cause picture not
Mura uniformly is produced, the pixel RGB three primary colours gray values of actually detected picture have deviation, the pixel R of actually detected picture
Gradation value, G gradations value and B gradations value are more than or less than 63.
Wherein, data processing equipment 120 can be used for the described image data for receiving the output of described image harvester 110
And carry out the mura offset datas that analysis meter calculation obtains the display screen.
In the exemplary embodiment, data processing equipment 120 can be any form of place with data processing function
Manage device, computer, mobile terminal, embedded system etc., in the following examples using data processing equipment 120 be computer as
Example is illustrated, but the disclosure is not limited to this.
Wherein, mura regions can be located at the optional position of display screen.
In the exemplary embodiment, to eliminate mura, the embodiment of the present invention is taken a picture to display screen, and to each in gained image
The brightness of pixel (such as by taking one-row pixels as an example) carries out going background and noise-reducing to handle, to obtain its intrinsic brilliance, then will be real
Border brightness and theoretical brightness ratio according to both luminance differences compared with and being compensated value (such as gray-level correction coefficient), final foundation
Mura compensates table.Mura compensation tables include multiple compensation points, and each compensation point one pixel of correspondence simultaneously has offset, and correspondence is deposited
It can be represented in the offset of mura and pixel without mura with two kinds of patterns.When display screen is shown, the position of pixel is first extracted
Address (i.e. its position) in display screen and display data (such as gray value), find corresponding in mura compensation tables
The offset of compensation point, and the display data of pixel is compensated with the offset, finally with the display data through overcompensation
Driving pixel is shown, obtains no mura image.
Wherein, the form of offset be it is various, for example when display data be gray value when, such as can for can make gray value+
The gray-level correction value of 10, -5 grades, or, offset is alternatively the gray-level correction system that gray value can be multiplied to 1.03 or multiply 0.98 grade
Number.Moreover, each pixel can correspond to different offsets respectively under different gray values, it is right when such as a grey scale pixel value is 100
The gray-level correction value answered can be+10, and corresponding gray-level correction value can be+20 when gray value is 200, when its gray value is in 100 Hes
At 200, then gray-level correction value can be chosen between+10 and+20 according to position of the gray value between 100 and 200 in proportion.
The mura compensation systems of display screen disclosed in disclosure embodiment, can be used for the mura compensation for solving display screen
Problem, can effectively lift mura compensation accuracy, improve display screen yield.
Fig. 2 shows the schematic diagram of the mura compensation systems of another display screen in disclosure exemplary embodiment.
As shown in Fig. 2 the mura compensation systems of the display screen can include darkroom 1, camera level/XY directions adjustment of displacement
Axle 2, camera vertical direction adjustment axle 3, CCD camera 4, fixed base station 5, vibration isolators 6 and data terminal 7.Wherein camera level/
XY directions adjustment of displacement axle 2 can be used for the horizontal displacement for adjusting CCD camera 4, for example, to the left or move right, to adjust
CCD camera 4 gathers the view data of the target area for the display screen being positioned on fixed base station 5.Camera vertical direction adjusts axle 3
It can be used for the vertical displacement for adjusting CCD camera 4, for example, downwards or move up, to adjust CCD camera 4 and be positioned over solid
Determine the vertical range between the display screen on base station 5.
Although in above-mentioned diagram using camera level/XY directions adjustment of displacement axle 2 and camera vertical direction adjust axle 3 as
The shift position control module of CCD camera 4, but the disclosure is not limited to this.
It should be noted that, although as data terminal 7 by taking computer as an example in diagram, but the disclosure is not limited to
This.In addition, it is illustrated that in connect the data terminal 7 and the CCD camera 4 and camera level/XY directions adjustment of displacement in a wired fashion
Axle 2 and camera vertical direction adjustment axle 3, but in other embodiments, can also wireless communication mode carry out data terminal 7 with should
Information transmission between CCD camera 4 and camera level/XY directions adjustment of displacement axle 2 and camera vertical direction adjustment axle 3.
In other embodiments, CCD camera 4 can also be gathered by screen data cd-rom recorder (not shown)
View data typing to data terminal 7 under display screen luminance is handled.
In the embodiment shown in Figure 2, fixed base station 5 can be arranged on vibration isolators 6.So advantageously in fixed base
Platform 5 it is firm, prevent in the shooting process of CCD camera 4, display screen is rocked or mobile and occur corresponding due to fixed base station 5
Motion, it is possible to increase the accuracy of IMAQ.
With continued reference to Fig. 2, camera level/XY directions adjustment of displacement axle 2, camera vertical direction adjustment axle 3, CCD camera 4,
Fixed base station 5 and vibration isolators 6 can be arranged in darkroom 1, and data terminal 7 can be arranged at outside darkroom 1.By CCD
It is to prevent that external light source is to the figure under display screen luminance during IMAQ that camera and fixed base station, which are arranged in darkroom,
As data acquisition is interfered, the accuracy of IMAQ can be further improved.
Fig. 3 shows a kind of schematic diagram of fixed base station in disclosure exemplary embodiment.
As shown in figure 3, fixed base station 5 can include absorption base station 9 and rotary shaft 10.Rotary shaft 10 can be used for adjusting institute
Rotation of the absorption base station 9 in setting range and in precision in preset direction is stated, to coordinate described image harvester to gather institute
State the curved surface area of camber display screen and/or the view data of plane domain.For example, the fixation base station 5 has rotary shaft 10, can
In two reverse rotations in setting range and precision, to coordinate CCD camera to gather the curved regions of curved-surface display platen edge bending
The view data in domain.
In the exemplary embodiment, fixed base station 5 can also include air pump with holes, and it, which can be used for adsorbing the curved surface, shows
In display screen and the fixed base station.Wherein, fixed base station contact with camber display screen configuration of surface matches.Example
Such as, when the camber display screen to be placed in fixation 5 upper surface of base station with adsorption function, the shape of the upper surface of fixation base station 5
State is coincide with camber display screen, so as to be advantageously implemented 100% absorption.
Mura compensation equipment at present for rigid plane display screen is more, but for the camber display screen of flexible foldable
Mura Compensation Designs one kind still without, the embodiment of the present invention for camber display screen of mura compensation equipment there is adsorption function
Fixation base station, when CCD camera carries out data acquisition can fix the camber display screen does not tilt, offsets,.
Shown in Fig. 2,9 be absorption base station, and 10 be base station rotary shaft, and flexible display screen carries out solid during the collection of mura offset datas
Due to 9 upper surfaces.The base station indoor design has air pump with holes, under power on condition, can above be adhered to by surface pores absorption
Thing, to reach fixed efficiency.
In the exemplary embodiment, when tested display screen is camber display screen, in the curved surface area of test bending
View data when, can shift to an earlier date to the typing of data terminal 7 fix base station 5 radius, bending subsequent corrosion, and fixed base station
5 thickness, the height of CCD camera 4 etc., calculated by data terminal 7 and export absorption base station rotational value and camera level/XY directions
Adjustment of displacement axle 2, camera vertical direction adjust the shift position of axle 3.
Fig. 4 shows a kind of flow chart of the mura compensation methodes of display screen in disclosure exemplary embodiment.
As shown in figure 4, the mura compensation methodes of the display screen may comprise steps of.
In the step s 100, the fixed display screen is on fixed base station.
In step s 110, the view data under the display screen luminance is gathered.
In the exemplary embodiment, the display screen is camber display screen, and it at least includes curved surface area, wherein, collection
View data under the display screen luminance, can include：The position of the fixed base station and image collecting device is adjusted,
Gather the view data of the curved surface area.
In the exemplary embodiment, the position of the fixed base station and described image harvester is adjusted, the song is gathered
The view data in face region, may further include following steps.
The first step, n parts are divided into by the curved surface area.
For example, the picture acquisition range for the curved surface area that can divide the camber display screen by the thought of differential is n
Equal parts, but the disclosure is not limited to this.N is a positive integer.
Second step, by rotating the fixed base station and mobile described image harvester, shoots the curved surface area
I-th section view data.Wherein, 1≤i≤n, and i is positive integer.
For example, can be by rotating fixed base station and the vertical range and horizontal level of adjustment CCD camera, accurate acquisition is bent
The view data of face elementary area.
3rd step, i-th section view data and preservation is intercepted using brightness maxima described in target identification.
For example, the view data of elementary area can be caught by center brightness maximum detection method.
4th step, circulation performs above-mentioned second step and the 3rd step, until completing adopting for the view data of the curved surface area
Collection.
In the step s 120, described image data are carried out with analysis and calculates the mura offset datas for obtaining the display screen.
In the exemplary embodiment, described image data are carried out with analysis and calculates the mura compensation numbers for obtaining the display screen
According to may further include：The view data of the curved surface area is spliced；Institute is calculated according to spliced view data
State mura offset datas.
It is illustrated below so that camber display screen includes plane domain and curved surface area simultaneously as an example.
Fig. 5 shows the flow chart of the mura compensation methodes of another display screen in disclosure exemplary embodiment.
As shown in figure 5, the mura compensation methodes of the display screen may comprise steps of.
In step s 200, vibration isolators horizontal level is adjusted.
Wherein, fixed base station is placed with the vibration isolators, for stablizing the fixation base station.
In step S210, camber display screen is placed on fixed base station.
For example, the camber display screen can be positioned over to the upper surface of the fixation base station, but the disclosure is not limited to this.
In step S220, the adsorption function of the fixed base station is opened, and the rotary shaft of the fixed base station is placed in
Initial position.
The initial position of wherein described rotary shaft for example can be 0, but the disclosure is not limited to this, rotary shaft here
Initial position can be adjusted according to the placement location of the plane domain of display screen on fixed base station.
For example, camber display screen is placed on the fixation base station with adsorption function, the upper surface shape of the fixation base station
State is coincide with camber display screen, and 100% absorption can be achieved.
In step S230, the fixed base station is aligned with image collecting device.
For example, image collecting device to be aligned to the plane domain for the display screen being positioned on fixed base station here.Specifically
Contraposition can realize by rotating fixed base station, either mobile image acquisition device realize or adjust simultaneously fixed base station and
Realize the shift position of image collecting device.
In step S240, shoot the plane domain of the camber display screen and recognize preservation.
In step s 250, the fixed base station and described image harvester are aligned again.
In the exemplary embodiment, when tested display screen is camber display screen, in the curved surface area of test bending
View data when, can shift to an earlier date to data terminal typing fix base station radius, bending subsequent corrosion, and fixed base station
Thickness, the height of image collecting device etc., calculated by data terminal and export absorption base station rotational value and camera level/XY directions
Adjustment of displacement axle, camera vertical direction adjust the shift position of axle, so as to realize the again right of fixed base station and image collecting device
Position.
In embodiments of the present invention, by rotating the shift position of fixed base station and adjustment image collecting device, accurately adopt
Collect the view data of curved surface elementary area.For example, image collecting device to be aligned to the camber display screen being positioned on fixed base station
Curved surface area i-th section.
In step S260, the curved surface area view data of camber display screen described in piecewise acquisition simultaneously recognizes preservation.
For example, gathering the i-th section view data of the i-th section of the curved surface area of the camber display screen.
Wherein it is possible to catch differential map picture by center brightness maximum detection method.
In step S270, judge whether the curved surface area of the camber display screen gathers and finish；Finished if do not gathered,
Above-mentioned steps S250 is jumped back to, above-mentioned steps S250-S270 is repeated until the figure of the curved surface area of the camber display screen
As data acquisition is finished, after collection is finished, into next step S280.
For example, can be incremented by successively from 1 to i, after having performed above-mentioned steps S250 and S260 every time, in step S270
Judge whether i is more than n, when i is more than n, then can be determined that the view data of the curved surface area of the camber display screen is whole
Collection is finished；Conversely, then the also whole collections of the view data of the curved surface area of the camber display screen are not finished.
In step S280, the curved surface area of view data and piecewise acquisition to the plane domain of above-mentioned steps collection
View data is spliced.
Here image mosaic can be will not be repeated here using existing method of the prior art.
In step S290, the calculating of the mura offset datas of the display screen is carried out according to above-mentioned spliced view data
With output.
In the embodiment of the present invention, the meter of the mura offset datas of the display screen is carried out according to above-mentioned spliced view data
Calculation can use any one mode of the prior art.
Fig. 6 shows the schematic diagram of the image data acquiring of the curved surface area of display screen in disclosure exemplary embodiment.
L1 to Ln sections is divided into as shown in fig. 6, the curved surface area of camber display screen is divided into, it is assumed that since L1 sections, lead to
The contraposition of base station and image collecting device is determined in toning solidating, and L1, L2 ... L (n-1), L (n) view data are shot paragraph by paragraph.
In the embodiment of the present invention, the curved surface area of camber display screen is divided into by the thought of differential by isometric n sections, passed through
The pickup area that the fixed base station of rotation is transferred to image collecting device by Li sections, the acquisition zone is photographed to record by image collecting device
The display image in domain.Data processing equipment is obtained after the display image of the pickup area, using brightness maxima as target identification Li
The image of section, and preservation is intercepted, treat that all collection is finished curved surface area, is carried out the splicing of view data, is completed curved surface area
IMAQ.
In addition, the detail of each step is in corresponding display screen in the mura compensation methodes of above-mentioned display screen
It is described in detail in mura compensation systems, therefore here is omitted.Although moreover, being retouched in the accompanying drawings with particular order
Each step of method in the disclosure is stated, still, this, which does not require that or implied, to perform this according to the particular order
A little steps, or the step having to carry out shown in whole could realize desired result.It is additional or alternative, it is convenient to omit certain
Multiple steps are merged into a step execution, and/or a step is decomposed into execution of multiple steps etc. by a little steps.
Those skilled in the art will readily occur to its of the disclosure after considering specification and putting into practice invention disclosed herein
Its embodiment.The application is intended to any modification, purposes or the adaptations of the disclosure, these modifications, purposes or
Person's adaptations follow the general principle of the disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as exemplary, and the true scope of the disclosure and spirit are by appended
Claim is pointed out.
Claims (10)
1. a kind of mura compensation systems of display screen, it is characterised in that including：
Fixed base station, for fixing the display screen；
Image collecting device, for gathering the view data under the display screen luminance；
Data processing equipment, it connects the fixed base station and described image harvester, for receiving described image data simultaneously
Carry out analysis and calculate the mura offset datas for obtaining the display screen.
2. mura compensation systems according to claim 1, it is characterised in that the display screen is camber display screen, wherein,
The camber display screen at least includes curved surface area.
3. mura compensation systems according to claim 2, it is characterised in that the fixed base station includes air pump with holes, its
For adsorbing the camber display screen and the fixed base station, wherein, the fixed base station connects with the camber display screen
Tactile configuration of surface matches.
4. mura compensation systems according to claim 2, it is characterised in that the fixed base station includes rotary shaft, it is used
In adjusting fixed base station rotation in preset direction in setting range and precision, to coordinate described image harvester to adopt
Collect the view data of the curved surface area of the camber display screen.
5. mura compensation systems according to claim 2, it is characterised in that the system also includes：Image collecting device
Control module, the shift position for adjusting described image harvester is gathered with carrying out the fixed base station with described image
The contraposition of device.
6. mura compensation systems according to claim 1, it is characterised in that the fixed base station is arranged on vibration isolators,
And the fixed base station is arranged within a darkroom with described image harvester.
7. a kind of mura compensation methodes of display screen, it is characterised in that including：
The fixed display screen is on fixed base station；
Gather the view data under the display screen luminance；
Described image data are carried out with analysis and calculates the mura offset datas for obtaining the display screen.
8. mura compensation methodes according to claim 7, it is characterised in that the display screen is camber display screen, and it is extremely
Include curved surface area less, wherein, the view data under the display screen luminance is gathered, including：
The position of the fixed base station and image collecting device is adjusted, the view data of the curved surface area is gathered.
9. mura compensation methodes according to claim 8, it is characterised in that the adjustment fixed base station and image collector
The position put, gathers the view data of the curved surface area, including：
The first step, n parts are divided into by the curved surface area；
Second step, by rotating the fixed base station and/or mobile described image harvester, shoots the of the curved surface area
I part image datas；
3rd step, i-th section view data and preservation is intercepted using brightness maxima described in target identification；
4th step, circulation performs above-mentioned second step and the 3rd step, until completing the collection of the view data of the curved surface area.
10. mura compensation methodes according to claim 9, it is characterised in that analysis calculating is carried out to described image data
The mura offset datas of the display screen are obtained, including：
Spliced according to the view data of the curved surface area；
The mura offset datas are calculated according to spliced view data.
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