CN106228924A - Mottle compensating image signals generating means, method and color spot failures repair system - Google Patents
Mottle compensating image signals generating means, method and color spot failures repair system Download PDFInfo
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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
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Abstract
The invention discloses a kind of Mura compensating image signals generating means, method and Mura defect repair system, this Mura compensating image signals generating means: data resolution module, for parsing view data, Mura offset data and a composite signal from host computer data；Image frame generation module, for being converted into background image data by this view data；Mura offset data processing module, for a Mura offset data carries out mapping process, generates the 2nd Mura offset data with this background image data equal resolution；Mura compensating image signals synthesis module, obtains Mura compensating image signals on this background image data that the 2nd Mura offset data is added to according to this composite signal.The present invention is by simulating the function of different size Mura compensation chips, and the plane that Mura repair data is converted to all specifications that can be real-time shows the Mura compensating image signals that module can identify.
Description
Technical field
The present invention relates to Display Technique field, be more particularly related to a kind of Mura compensating image signals generating means, side
Method and Mura defect repair system.
Background technology
Flat-panel screens has high-resolution, high brightness and without advantages such as geometry deformations, simultaneously because its volume is little, weight
Amount is light and low in energy consumption, thus is widely used in people's consumption electronic product used in everyday, such as TV, computer, hands
Machine, flat board etc..Plane display module is the main body ingredient of flat-panel screens, and its manufacturing process is complicated, needs nearly hundred road works
Sequence, there will be various display defect the most unavoidably, and these display defects relatively conventional be Mura (color
Speckle) defect.Mura defect is under the picture that same light source and background color are identical, the different colours arrived because of visual experience or brightness
Difference, thus bring visual discomfort, drastically influence the quality of flat-panel screens.
It is specifically designed for the correlation technique of plane display module Mura defect repair at present, such as Chinese patent " liquid crystal
Show bad display repair system and the restorative procedure of panel " (publication number CN103761933A), Chinese patent " a kind of elimination liquid crystal
The method and apparatus of display Mura " (patent No. CN201310695713.X), but these Mura defect repair techniques be all by
Mura repair data is written in the Flash IC of plane to be repaired display module, the Mura of plane the most to be repaired display module
Compensation chips reads Mura repair data from Flash IC and exports the picture shown on display floater after compensating, and this Mura mends
Repay mapped mode (such as mapped modes such as 1*1,4*4,8*8,16*16) and the Mura being previously provided with Mura offset data in chip
Offset data and the composition algorithm of image frame data, and the commonly used list of Flash IC of current plane to be repaired display module
Road spi bus is written and read, and due to the restriction of spi bus bandwidth, the time that Mura repair data is burnt to FlashIC is longer,
Plane display module product line Mura defect can not be met and quickly repair demand.It addition, existing picture signal generator does not has
The standby function that Mura repair data is converted to Mura compensating image signals.
Summary of the invention
For above-mentioned the deficiencies in the prior art, the invention discloses a kind of Mura compensating image signals generating means, method
And Mura defect repair system, by simulating the function of different size Mura compensation chips, can be real-time by Mura repair data
Be converted to the Mura compensating image signals that the plane display module of all specifications can identify.
For achieving the above object, the present invention provides a kind of Mura compensating image signals generating means, this signal generating apparatus
Including:
Data resolution module, for parsing view data, Mura offset data and a synthesis from host computer data
Information；
Image frame generation module, for being converted into background image data by this view data；
Mura offset data processing module, for a Mura offset data carries out mapping process, generates and this back of the body
2nd Mura offset data of scape view data equal resolution；
Mura compensating image signals synthesis module, for being added to the 2nd Mura offset data according to this composite signal
Mura compensating image signals is obtained on this background image data.
As further alternative technical scheme, in such scheme, this data resolution module is additionally operable to from host computer data
Parsing map information, a Mura offset data is reflected by this Mura offset data processing module according to this map information
Penetrate process, generate the 2nd Mura offset data.
As further alternative technical scheme, in such scheme, this data resolution module is additionally operable to from host computer data
Parse Demura repair parameter, this background image data is background image data matrix, the 2nd Mura offset data be with
2nd Mura offset data matrix of this background image data matrix same order；Wherein,
This Demura repairs parameter and includes repairing Coefficient m, and this Mura compensating image signals synthesis module is by the 2nd Mura
Offset data matrix is added on this background image data matrix after being multiplied with this reparation Coefficient m, obtains this Mura and compensates image
Signal；Or,
This Demura repairs parameter and includes and the reparation coefficient matrix M of the 2nd Mura offset data matrix same order, should
2nd Mura offset data matrix is added to after this reparation coefficient matrix M dot product by Mura compensating image signals synthesis module
On this background image data matrix, obtain this Mura compensating image signals.
As further alternative technical scheme, in such scheme, this signal generating apparatus also includes that a high-speed data connects
Mouthful, this high speed interface is for receiving these host computer data that host computer issues.
As further alternative technical scheme, in such scheme, this signal generating apparatus also includes a Mura offset data
Output port, this Mura offset data output port is for burning a Mura offset data or the 2nd Mura offset data
Record in Mura compensation chips or the Flash IC of plane display module.
As further alternative technical scheme, in such scheme, this signal generating apparatus also includes image coding module,
This image coding module for being converted into the picture signal that this plane display module is capable of identify that by this Mura compensating image signals
Form.
The present invention additionally provides a kind of Mura defect repair system, for providing Mura to compensate image for plane display module
Signal, this Mura defect repair system includes: for the camera of the display picture data of acquisition plane display module, be used for calculating
The image processing apparatus of the oneth Mura offset data of this display picture data, and the Mura compensation image letter in such scheme
Number generating means.
The present invention additionally provides a kind of Mura compensating image signals and generate method, for providing Mura for plane display module
Compensating image signals, this signal creating method comprises the following steps:
S1) receive the host computer data that issue of host computer, and resolve these host computer data and obtain view data, a Mura
Offset data and composite signal；
S2) this view data is converted into background image data；Meanwhile, a Mura offset data is carried out at mapping
Reason, generates the 2nd Mura offset data with this background image data equal resolution；
S3) the 2nd Mura offset data is added on this background image data according to this composite signal and obtains Mura and mend
Repay picture signal；
S4) this Mura compensating image signals is converted into the image signal format that this plane display module is capable of identify that.
As further alternative technical scheme, such scheme goes back containment mapping information, step in these host computer data
S2 comprises the following steps:
According to this map information, the oneth Mura offset data is carried out mapping process, generate and this background image data phase
The 2nd Mura offset data with resolution.
As further alternative technical scheme, such scheme also including in these host computer data, Demura repairs ginseng
Number, this background image data is background image data matrix, and the 2nd Mura offset data is and this background image data matrix
2nd Mura offset data matrix of same order；Wherein,
This Demura repairs parameter and includes repairing Coefficient m, and step S3 comprises the following steps:
Be added to after being multiplied with this reparation Coefficient m by 2nd Mura offset data matrix according to this composite signal this background
On image data matrix, obtain this Mura compensating image signals；Or,
This Demura repairs parameter and includes and the reparation coefficient matrix M of the 2nd Mura offset data matrix same order, step
S3 comprises the following steps:
According to this composite signal, the 2nd Mura offset data matrix is added to this after this reparation coefficient matrix M dot product
On background image data matrix, obtain this Mura compensating image signals.
The invention have the advantages that
1) present invention can directly produce Mura compensating image signals, and can directly be turned by this Mura compensating image signals
Change the picture signal that the plane to be repaired such as RGB, HDMI, TTL, LVDS, DP, MIPI, V-BY-ONE display module is capable of identify that into
Form, it is not necessary to be written to Mura repair data in the Flash IC of plane to be repaired display module just to allow plane to be repaired
Display effect after display module displays Mura reparation, is greatly improved plane display module and produces line Mura defect repair effect
Rate；
2) present invention is by simulating the function of different size Mura compensation chips, real-time being changed by Mura repair data of energy
Plane for plurality of specifications shows the Mura compensating image signals that module can identify；
3) present invention can repair the real-time adjustment Mura compensating image signals of parameter by host computer regulation Demura
Degree of compensation；
4) present invention can also directly receive the Mura compensating image signals that host computer sends, and this Mura is compensated image
Signal is directly changed into the plane to be repaired such as RGB, HDMI, TTL, LVDS, DP, MIPI, V-BY-ONE display module and is capable of identify that
Image signal format.
Accompanying drawing explanation
The frame construction drawing of Fig. 1 Mura of the present invention compensating image signals generating means；
Fig. 2 Mura of the present invention compensating image signals generates the flow chart of method；
The brightness value matrix of Fig. 3 gridiron pattern of the present invention logic chart embodiment.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and
It is not used in the restriction present invention.If additionally, technical characteristic involved in each embodiment of invention described below
The conflict of not constituting each other just can be mutually combined.
A kind of Mura compensating image signals generating means disclosed in the present embodiment, including gigabit Ethernet mouth, data parsing
Module, image frame generation module, Mura offset data processing module, Mura compensating image signals synthesis module, Mura compensate
Data-out port and LVDS image coding module, additionally, also include that one carries for this Mura compensating image signals generating means
PC for host computer data.
It should be noted that the image coding module of the present invention include but not limited to RGB, HDMI, TTL, LVDS, DP,
MIPI and V-BY-ONE image signal encoding, due to interface formats such as RGB, HDMI, TTL, LVDS, DP, MIPI and V-BY-ONE
The known technology that coding techniques is the art, the present embodiment only illustrates as a example by LVDS picture signal；Additionally, this
The host computer of invention includes but not limited to PC.
Mura below in conjunction with Fig. 1 and Fig. 2 Mura a kind of to the present embodiment compensating image signals generating means compensates image
The generation process of signal illustrates, and the resolution of the plane to be measured display module of the present embodiment is 3840*2160, signaling interface
Use LVDS interface standard.
In above-described embodiment, gigabit Ethernet mouth receives the host computer data that PC issues, wherein, this host computer packet
Include image frame data, a Mura offset data matrix (the Mura offset data being equivalent in background technology), map letter
Breath, Demura repair parameter and composite signal, and wherein, the resolution of these image frame data is 3840*2160.Need explanation
It is that these image frame data can be gray-value image data, it is also possible to be logic chart parameter；Oneth Mura offset data square
Battle array is the Mura offset data set of the one or more defect area/defect points on plane to be repaired display module screen；Should
Demura repairs parameter and includes repairing Coefficient m or repairing coefficient matrix M；Edit various Mura in this PC program in advance to compensate
The analog configuration file of chip, this analog configuration file includes the map information being sent to Mura offset data processing module and sends out
Give the Mura composite signal of compensating image signals synthesis module；This PC compensates according to the Mura of plane to be repaired display module
The specification of chip and the size of a Mura offset data matrix select corresponding analog configuration file to issue map information
And composite signal.
In above-described embodiment, this data resolution module receives the host computer data that these gigabit Ethernet oral instructions are sent, and from this
Host computer data parsing is published picture as picture data, a Mura offset data matrix, map information, Demura repair parameter and conjunction
Then image frame data are sent to this image frame generation module by one-tenth information, by a Mura offset data matrix and reflecting
The information of penetrating is sent to this Mura offset data processing module, Demura repairs parameter and composite signal is sent to this Mura and compensates
Picture signal synthesis module.
In above-described embodiment, when these image frame data are gray-value image data, then this image frame generation module
Directly this gray-value image decoding data is extracted this brightness value obtains the brightness value matrix of these gray-value image data.When
When these image frame data are logic chart parameters, then this image frame generation module is according to the generation method of existing logical image
Generate logical image and calculate the brightness value matrix of this logical image.For further illustrating the present embodiment, taking resolution is 3840*
Some region of the gridiron pattern logic chart of 2160 illustrates, such as, the resolution in this gridiron pattern logic chart region be 16*9,
Laterally and longitudinally number of squares is respectively 4:3, then the logic chart parameter in this gridiron pattern logic chart region has 16, as shown in table 2, and should
Image frame generation module generates brightness value matrix as shown in Figure 3 according to the logic chart parameter shown in table 1, and wherein, Fig. 3 is each
Three numerical value in lattice represent the GTG of RGB color component respectively.
Table 1
| Parameter name | Value |
| Lateral resolution | 16 |
| Longitudinal resolution | 9 |
| Background gray scale | 0 |
| Starting point abscissa | 0 |
| Starting point vertical coordinate | 0 |
| Maximal end point abscissa | 15 |
| Maximal end point vertical coordinate | 8 |
| Logic chart type | 2 (representing Chessboard) |
| Laterally number of squares | 4 |
| Longitudinal number of squares | 3 |
| Grid 1RGB gray scale | (255,255,255) |
| Grid 2RGB gray scale | (0,0,0) |
In above-described embodiment, this Mura offset data processing module receives a Mura offset data matrix and maps letter
After breath, then a Mura offset data matrix is carried out at mapping by this Mura offset data processing module according to this map information
Reason, generates the 2nd Mura offset data matrix.For further illustrating the present embodiment, the such as the oneth Mura offset data matrix
Size is 481*271, and this map information is 8*8, then the size of the 2nd Mura offset data matrix is [(481-1) × 8] *
[(271-1) × 8], i.e. 3840*2160.For further illustrating the present embodiment, take the 2*2 in a Mura offset data matrix
Illustrate as a example by submatrix, it is assumed that the element of this 2*2 submatrix isAccording to 8*8 mapping close, then this second
The size of submatrix corresponding in Mura offset data matrix is [(2-1) × 8] * [(2-1) × 8], i.e. 8*8, the 2nd Mura
The element of submatrix corresponding in offset data matrix is as shown in table 2.
Table 2
| 1 | 3 | 5 | 7 | 9 | 11 | 13 | 15 |
| 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 |
| 3 | 5 | 7 | 9 | 11 | 13 | 15 | 17 |
| 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 |
| 5 | 7 | 9 | 11 | 13 | 15 | 17 | 19 |
| 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 |
| 7 | 9 | 11 | 13 | 15 | 17 | 19 | 21 |
| 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 |
In above-described embodiment, this Mura compensating image signals synthesis module receives the brightness value matrix of these image frame data
With the 2nd Mura offset data matrix, and repair parameter and composite signal by the 2nd Mura offset data according to this Demura
Matrix is added on the brightness value matrix of this picture data and obtains Mura compensating image signals；Wherein, this Demura repairs parameter
Can be a reparation Coefficient m, the 2nd Mura be compensated number according to this composite signal by this Mura compensating image signals synthesis module
It is added to after being multiplied with this reparation Coefficient m according to matrix on the brightness value matrix of these image frame data and obtains this Mura and compensate image
Signal；Or, this Demura repairs the reparation coefficient matrix that parameter can be one and the 2nd Mura offset data matrix same order
M, this Mura compensating image signals synthesis module according to this composite signal by the 2nd Mura offset data matrix and this reparation system
It is added to after matrix number M dot product on the brightness value matrix of this picture data and obtains this Mura compensating image signals.Need explanation
It is, if needing to regulate in real time the degree of compensation of the display picture of this plane to be repaired display module, can be in PC program
Regulate this reparation Coefficient m size or the size of this reparation coefficient matrix M.For further illustrating the present embodiment, if such as this
One Mura offset data matrix is the Mura offset data set of a defect area on plane to be repaired display module screen,
The some region of element of the 2nd Mura offset data matrix after its mapping process isRepair Coefficient m=4,
Region element corresponding with the 2nd Mura offset data matrix area in the brightness value matrix of image frame data isThen corresponding with the 2nd Mura offset data matrix area in Mura compensating image signals zone luminance value
For:
If a Mura offset data matrix is the defect area 1 on plane to be repaired display module screen and defect area
The Mura offset data set in territory 2, the element of the defect area 1 of the 2nd Mura offset data matrix after its mapping process isThe element of defect area 2 isWith this defect area in the brightness value matrix of image frame data
The element in one region, centre of territory 1 and defect area 2 corresponding region isThen in Mura compensating image signals
The zone luminance value corresponding with this zone line is
In above-described embodiment, this LVDS image coding module receives this Mura compensating image signals, and is compensated by this Mura
Picture signal carries out code conversion according to LVDS communications protocol and becomes LVDS picture signal to be transported to this plane to be repaired display module
In.
In above-described embodiment, if the host computer data that PC issues are Mura compensating image signals, then this data solution
This Mura compensating image signals is directly sent in this image frame generation module by analysis module, and this image frame generation module connects
Receive this Mura compensating image signals and extract the brightness value of this Mura compensating image signals and obtain this Mura compensating image signals
Compensate brightness of image value matrix, then that this compensation brightness of image value matrix is straight by this Mura compensating image signals synthesis module
Connect and be sent in this LVDS image coding module, this LVDS image coding module then by this Mura compensating image signals according to LVDS
Communications protocol carries out code conversion and becomes LVDS picture signal to be transported in this plane to be repaired display module.
In above-described embodiment, show that the display picture of module reaches when this LVDS picture signal is transported to this plane to be repaired
When the reparation of Mura defect requires, Mura offset data output port then by a Mura offset data matrix or this second
Mura offset data matrix is burnt in Mura compensation chips or the Flash IC of this plane to be repaired display module.
It should be noted that Mura compensating image signals generating means can be as Mura defect disclosed in above-described embodiment
A part for repair system: the display picture data of plane to be repaired display module is acquired by camera；Image processing apparatus
Calculate the Mura offset data of this display picture data；Disclosed in above-described embodiment, Mura compensating image signals generating means should
Mura offset data is transported to after being mapped to have the Mura offset data of equal resolution with this plane to be repaired display module
In this plane to be repaired display module.
As it will be easily appreciated by one skilled in the art that the content that this specification is not described in detail belongs to this area professional technique
Prior art known to personnel, these are only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in protection scope of the present invention
Within.
Claims (10)
1. a mottle compensating image signals generating means, for providing Mura compensating image signals for plane display module, its
Being characterised by, this signal generating apparatus includes:
Data resolution module, for parsing view data, Mura offset data and a composite signal from host computer data；
Image frame generation module, for being converted into background image data by this view data；
Mura offset data processing module, for a Mura offset data carries out mapping process, generates and this Background
The 2nd Mura offset data as data equal resolution；
Mura compensating image signals synthesis module, for being added to the 2nd Mura offset data this back of the body according to this composite signal
Mura compensating image signals is obtained in scape view data.
Mottle compensating image signals generating means the most according to claim 1, it is characterised in that this data resolution module is also
For parsing map information from host computer data, this Mura offset data processing module according to this map information to this first
Mura offset data carries out mapping process, generates the 2nd Mura offset data.
Mottle compensating image signals generating means the most according to claim 1, it is characterised in that this data resolution module is also
Repairing parameter for parsing Demura from host computer data, this background image data is background image data matrix, and this is the years old
Two Mura offset datas are the 2nd Mura offset data matrix with this background image data matrix same order；Wherein,
This Demura repairs parameter and includes repairing Coefficient m, and the 2nd Mura is compensated by this Mura compensating image signals synthesis module
Data matrix is added on this background image data matrix after being multiplied with this reparation Coefficient m, obtains this Mura compensating image signals；
Or,
This Demura repairs parameter and includes that the reparation coefficient matrix M, this Mura with the 2nd Mura offset data matrix same order mends
Repay picture signal synthesis module by this background that is added to after the 2nd Mura offset data matrix and this reparation coefficient matrix M dot product
On image data matrix, obtain this Mura compensating image signals.
Mottle compensating image signals generating means the most according to claim 1, it is characterised in that this signal generating apparatus is also
Including a high speed interface, this high speed interface is for receiving these host computer data that host computer issues.
Mottle compensating image signals generating means the most according to claim 1, it is characterised in that this signal generating apparatus is also
Including a Mura offset data output port, this Mura offset data output port is used for a Mura offset data or is somebody's turn to do
2nd Mura offset data is burnt in Mura compensation chips or the Flash IC of plane display module.
Mottle compensating image signals generating means the most according to claim 1, it is characterised in that this signal generating apparatus is also
Including image coding module, this image coding module for being converted into this plane display module energy by this Mura compensating image signals
Enough image signal format identified.
7. a color spot failures repair system, for providing Mura compensating image signals, this Mura defect for plane display module
Repair system includes: for the camera of the display picture data of acquisition plane display module, and be used for calculating this display picture
The image processing apparatus of the oneth Mura offset data of data, it is characterised in that this Mura defect repair system also includes such as power
Profit requires the Mura compensating image signals generating means described in 1 to 6 any one.
8. mottle compensating image signals generates a method, for providing Mura compensating image signals for plane display module, its
Being characterised by, this signal creating method comprises the following steps:
S1) receive the host computer data that issue of host computer, and resolve that these host computer data obtain view data, a Mura compensates
Data and composite signal；
S2) this view data is converted into background image data；Meanwhile, a Mura offset data is carried out mapping process,
Generate the 2nd Mura offset data with this background image data equal resolution；
S3) the 2nd Mura offset data is added on this background image data according to this composite signal and obtains Mura compensation figure
Image signal；
S4) this Mura compensating image signals is converted into the image signal format that this plane display module is capable of identify that.
Mottle compensating image signals the most according to claim 8 generates method, it is characterised in that in these host computer data also
Containment mapping information, step S2 comprises the following steps:
According to this map information, the oneth Mura offset data is carried out mapping process, generate identical with this background image data point
2nd Mura offset data of resolution.
Mottle compensating image signals the most according to claim 8 generates method, it is characterised in that in these host computer data
Also include Demura repair parameter, this background image data is background image data matrix, the 2nd Mura offset data be with
2nd Mura offset data matrix of this background image data matrix same order；Wherein,
This Demura repairs parameter and includes repairing Coefficient m, and step S3 comprises the following steps:
Be added to after being multiplied with this reparation Coefficient m by 2nd Mura offset data matrix according to this composite signal this background image
On data matrix, obtain this Mura compensating image signals；Or,
This Demura repairs parameter and includes and the reparation coefficient matrix M of the 2nd Mura offset data matrix same order, step S3 bag
Include following steps:
According to this composite signal by this background that is added to after the 2nd Mura offset data matrix and this reparation coefficient matrix M dot product
On image data matrix, obtain this Mura compensating image signals.
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| CN106782264A (en) * | 2016-12-27 | 2017-05-31 | 武汉精测电子技术股份有限公司 | Module color spot prosthetic device and method based on PCGPU |
| CN106898286A (en) * | 2017-03-15 | 2017-06-27 | 武汉精测电子技术股份有限公司 | Mura defect-restoration method therefors and device based on specified location |
| CN107886920A (en) * | 2017-11-28 | 2018-04-06 | 深圳市华星光电技术有限公司 | A kind of method and system for obtaining correct Mura offset datas |
| CN107967144A (en) * | 2017-12-08 | 2018-04-27 | 京东方科技集团股份有限公司 | A kind of data burning method and device |
| CN109445334A (en) * | 2018-10-30 | 2019-03-08 | 合肥市商巨智能装备有限公司 | DeMura apparatus control system |
| WO2019100553A1 (en) * | 2017-11-23 | 2019-05-31 | 深圳市华星光电半导体显示技术有限公司 | Mura phenomenon compensation method and apparatus thereof |
| CN110310237A (en) * | 2019-06-06 | 2019-10-08 | 武汉精立电子技术有限公司 | Remove the method and system of image moire fringes, the brightness measurement of display panel sub-pixel point, Mura defects reparation |
| CN112102781A (en) * | 2020-10-30 | 2020-12-18 | 武汉精立电子技术有限公司 | Demura and SPR integration method and system of display device |
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