CN205992406U - Mura compensating image signals generating means and Mura defect repair system - Google Patents
Mura compensating image signals generating means and Mura defect repair system Download PDFInfo
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- CN205992406U CN205992406U CN201620844402.4U CN201620844402U CN205992406U CN 205992406 U CN205992406 U CN 205992406U CN 201620844402 U CN201620844402 U CN 201620844402U CN 205992406 U CN205992406 U CN 205992406U
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Abstract
The utility model discloses a kind of Mura compensating image signals generating means and Mura defect repair system, this Mura compensating image signals generating means includes：High speed interface, for receiving the host computer data of host computer transmission；PLD, for becoming Mura compensating image signals by this host computer data conversion；And picture signal output interface, for exporting this Mura compensating image signals.This utility model passes through to simulate the function of different size Mura compensation chips, the Mura compensating image signals that the plane display module that in real time Mura repair data can be converted to all specifications can identify.
Description
Technical field
This utility model is related to display technology field, is more particularly related to a kind of Mura compensating image signals and generates dress
Put and Mura defect repair system.
Background technology
Flat-panel screens has the advantages that high-resolution, high brightness and no geometry deformation, simultaneously because its small volume, 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, handss
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, therefore occurs various display defects in the fabrication process unavoidably, and these display defects relatively conventional be Mura (color
Speckle) defect.Mura defect be in same light source and background color identical picture under, the different colours arriving because of visual experience or brightness
Difference, thus bringing visual discomfort, drastically influence the quality of flat-panel screens.
It has been specifically designed for the correlation technique of plane display module Mura defect repair, such as Chinese patent at present《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 complex plane display module to be repaired, then complex plane display module to be repaired
Mura compensation chips read Mura repair data from Flash IC and export the picture showing on display floater after compensating, should
It is previously provided with the mapped mode (as mapped modes such as 1*1,4*4,8*8,16*16) of Mura offset data in Mura compensation chips
And the composition algorithm of Mura offset data and image frame data, and the Flash IC of complex plane display module to be repaired is universal at present
Be written and read using single channel spi bus, due to the restriction of spi bus bandwidth, Mura repair data be burnt to Flash IC when
Between longer it is impossible to meet plane display module producing line Mura defect quickly repair demand.In addition, existing picture signal generator
Do not possess the function that Mura repair data is converted to Mura compensating image signals yet.
Utility model content
For above-mentioned the deficiencies in the prior art, the utility model discloses a kind of Mura compensating image signals generating means and
Mura repair data, by simulating the function of different size Mura compensation chips, can be turned by Mura defect repair system in real time
It is changed to the Mura compensating image signals that the plane display module of all specifications can identify.
For achieving the above object, this utility model provides a kind of Mura compensating image signals generating means, this signal generation
Device includes：
High speed interface, for receiving the host computer data of host computer transmission；
PLD, for becoming Mura compensating image signals by this host computer data conversion；And
Picture signal output interface, for exporting this Mura compensating image signals.
As further alternative technical scheme, in such scheme, this host computer data includes view data, a Mura
Offset data and composite signal, are provided with this PLD：
Data resolution module, for parse from this host computer data this view data, a Mura offset data and
Composite signal；
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 is carried out with 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
This 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 this host computer data
In parse map information, this Mura offset data processing module is carried out to a Mura offset data according to this map information
Mapping is processed, and generates the 2nd Mura offset data.
As further alternative technical scheme, in such scheme, this data resolution module is additionally operable to from this host computer data
In parse Demura and repair parameter, this background image data is background image data matrix, and the 2nd Mura offset data is
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 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 reparation parameter includes the reparation coefficient matrix M with the 2nd Mura offset data matrix same order, should
Mura compensating image signals synthesis module is added to after the 2nd Mura offset data matrix and this reparation coefficient matrix M dot product
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 a Mura offset data
Output port, this Mura offset data output port is used 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, it is additionally provided with this PLD in such scheme：
Image coding module, for being converted into, by this Mura compensating image signals, the figure that this plane display module is capable of identify that
As signal format.
As further alternative technical scheme, in such scheme, this image coding module is used for for this Mura compensating image
Signal is converted into LVDS and/or DP and/or the picture signal of MIPI and/or V-BY-ONE interface format.
In addition this utility model also provides a kind of Mura defect repair system, and this Mura defect repair system is used for as plane
Display module provides Mura compensating image signals, and this Mura defect repair system includes：Aobvious for acquisition plane display module
Show the camera of picture data, and for calculating the image processing apparatus of a Mura offset data of this display picture data,
It is characterized in that, this Mura defect repair system also includes the Mura compensating image signals as described in any one of claim 1 to 6
Generating means.
This utility model has advantages below：
1) this utility model can directly produce Mura compensating image signals, and can will be straight for this Mura compensating image signals
Switch through and change the image that the plane to be repaired display module such as RGB, HDMI, TTL, LVDS, DP, MIPI, V-BY-ONE is capable of identify that into
Signal format, Mura repair data need not be written to just can allow in the Flash IC of complex plane display module to be repaired to be repaired
Complex plane display module shows the display effect after Mura reparation, is greatly improved plane display module producing line Mura defect and repaiies
Multiple efficiency；
2) this utility model passes through to simulate the function of different size Mura compensation chips, can be in real time by Mura repair data
Be converted to the Mura compensating image signals that the plane display module of plurality of specifications can identify；
3) this utility model can adjust Demura reparation parameter by host computer and adjust Mura compensation image letter in real time
Number degree of compensation；
4) this utility model can also directly receive the Mura compensating image signals of host computer transmission, and this Mura is compensated
Picture signal is directly changed into the plane to be repaired display module such as RGB, HDMI, TTL, LVDS, DP, MIPI, V-BY-ONE can
The image signal format of identification.
Brief description
The frame construction drawing of Fig. 1 this utility model Mura compensating image signals generating means；
The brightness value matrix of Fig. 2 this utility model gridiron pattern logic chart embodiment.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.Additionally, institute in each embodiment of this utility model disclosed below
As long as the technical characteristic being related to does not constitute conflict each other just can be mutually combined.
The PLD of the present embodiment selects fpga chip.
A kind of Mura compensating image signals generating means disclosed in the present embodiment, including gigabit Ethernet mouth, fpga chip
With LVDS signal output interface, wherein in this fpga chip, it is provided with data resolution module, image frame generation module, Mura benefit
Repay data processing module, Mura compensating image signals synthesis module and LVDS image coding module, additionally, this device also includes one
The individual PC that host computer data is provided for this Mura compensating image signals generating means.
It should be noted that image coding module of the present utility model include but is not limited to RGB, HDMI, TTL, LVDS,
DP, MIPI and V-BY-ONE image signal encoding, due to the interface lattice such as RGB, HDMI, TTL, LVDS, DP, MIPI and V-BY-ONE
The coding techniques of formula is the known technology of the art, and the present embodiment only taking LVDS picture signal as a example illustrates；Additionally,
Host computer of the present utility model includes but is not limited to PC.
Mura compensating image signals with reference to Fig. 1 Mura a kind of to the present embodiment compensating image signals generating means
Generating process illustrates, and the resolution of the plane display module to be measured of the present embodiment is 3840*2160, and signaling interface adopts
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), mapping letter
Breath, Demura repair parameter and composite signal, and wherein, the resolution of this image frame data is 3840*2160.Need explanation
It is that this image frame data can be gray-value image data or logic graph parameter；First Mura offset data square
Battle array is the Mura offset data set of the one or more defect area/defect points on complex plane display module screen to be repaired；Should
Demura repairs parameter and includes repairing Coefficient m or repair 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 being sent to the map information of 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 complex plane display module to be repaired
The size of the specification of chip and a Mura offset data matrix selects 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 this gigabit Ethernet oral instructions is sent, and from this
Host computer data parses image frame data, a Mura offset data matrix, map information, Demura reparation parameter and conjunction
Then image frame data is activation is given 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 is repaired parameter and composite signal is sent to this Mura and compensates
Picture signal synthesis module.
In above-described embodiment, when this image frame data is gray-value image data, then this image frame generation module
Directly the brightness value matrix that this brightness is worth to this gray-value image data is extracted to this gray-value image decoding data.When
When this image frame data is logic graph parameter, 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, resolution is taken to be 3840*
Some region of 2160 gridiron pattern logic chart illustrates, for example, the resolution of this gridiron pattern logic graph region is 16*9,
Laterally and longitudinally number of squares is respectively 4：3, then the logic graph parameter of this gridiron pattern logic graph region have 16, as shown in table 2,
This image frame generation module generates brightness value matrix as shown in Figure 2 according to the logic graph parameter shown in table 1, and wherein, Fig. 2 is every
Three numerical value in one 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 graph 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 mapping letter
After breath, then this Mura offset data processing module is carried out at mapping to a Mura offset data matrix according to this map information
Reason, generates the 2nd Mura offset data matrix.For further illustrating the present embodiment, the such as the first 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 submatrix it is assumed that the element of this 2*2 submatrix isAccording to 8*8 mapping close, then this second
In Mura offset data matrix, the size of corresponding submatrix is [(2-1) × 8] * [(2-1) × 8], i.e. 8*8, the 2nd Mura
In offset data matrix, the element of corresponding submatrix 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 this image frame data
With the 2nd Mura offset data matrix, and parameter and composite signal are repaired 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 is 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 this image frame data and obtain 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 is 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 obtain this Mura compensating image signals.Need explanation
It is, if necessary to the degree of compensation of the display picture of this complex plane display module to be repaired of real-time regulation, can be in PC program
Adjust this reparation Coefficient m size or the size of this reparation coefficient matrix M.For further illustrating the present embodiment, if for example this
One Mura offset data matrix is the Mura offset data set of a defect area on complex plane display module screen to be repaired,
The some region of element of the 2nd Mura offset data matrix after its mapping is processed isRepair Coefficient m=4,
In the brightness value matrix of image frame data, region element corresponding with the 2nd Mura offset data matrix area isThen regional luminance corresponding with the 2nd Mura offset data matrix area in Mura compensating image signals
It is worth and be：
If a Mura offset data matrix is defect area 1 and defect area on complex plane display module screen to be repaired
The Mura offset data set in domain 2, the element of the defect area 1 of the 2nd Mura offset data matrix after its mapping is processed isThe element of defect area 2 isWith this defect area in the brightness value matrix of image frame data
The element in one region in centre of domain 1 and defect area 2 corresponding region isThen Mura compensating image signals
In zone luminance value corresponding with this zone line be：
In above-described embodiment, this LVDS image coding module receives this Mura compensating image signals, and this Mura is compensated
Picture signal carries out code conversion according to LVDS communications protocol and becomes LVDS picture signal to be transported to this complex plane display module to be repaired
In.
In above-described embodiment, if the host computer data that PC issues is Mura compensating image signals, this data solution
Analysis module directly this Mura compensating image signals is sent in this image frame generation module, and this image frame generation module connects
Receive this Mura compensating image signals and extract the brightness of this Mura compensating image signals and be worth to this Mura compensating image signals
Compensate brightness of image value matrix, then this compensation brightness of image value matrix is passed through this Mura compensating image signals synthesis module straight
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 complex plane display module to be repaired.
In above-described embodiment, when the display picture that this LVDS picture signal is transported to this complex plane display module to be repaired reaches
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 complex plane display module to be repaired.
It should be noted that Mura compensating image signals generating means can be used as Mura defect disclosed in above-described embodiment
A part for repair system：Camera is acquired to the display picture data of plane display module to be repaired；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 the Mura offset data with this complex plane display module to be repaired with equal resolution
In this complex plane display module to be repaired.
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 preferred embodiment of the present utility model, not in order to limit this utility model,
All any modification, equivalent and improvement made within spirit of the present utility model and principle etc., should be included in this reality
Within new protection domain.
Claims (8)
1. a kind of Mura compensating image signals generating means, for providing Mura compensating image signals for plane display module, its
It is characterised by, this signal generating apparatus includes：
High speed interface, for receiving the host computer data of host computer transmission；
PLD, for becoming Mura compensating image signals by this host computer data conversion；And
Picture signal output interface, for exporting this Mura compensating image signals.
2. Mura compensating image signals generating means according to claim 1 are it is characterised in that this host computer data includes
View data, a Mura offset data and composite signal, are provided with this PLD：
Data resolution module, for parsing this view data, a Mura offset data and synthesis from this 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 is carried out with 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
This Mura compensating image signals is obtained on scape view data.
3. Mura compensating image signals generating means according to claim 2 it is characterised in that this data resolution module also
For parsing map information from this host computer data, this Mura offset data processing module according to this map information to this
One Mura offset data carries out mapping process, generates the 2nd Mura offset data.
4. Mura compensating image signals generating means according to claim 2 it is characterised in that this data resolution module also
Repair parameter for parsing Demura from this host computer data, this background image data is background image data matrix, should
2nd Mura offset data is 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 reparation parameter includes the reparation coefficient matrix M with the 2nd Mura offset data matrix same order, and this Mura 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.
5. Mura compensating image signals generating means according to claim 2 it is characterised in that this signal generating apparatus 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.
6. Mura compensating image signals generating means according to claim 2 are it is characterised in that this PLD
In be provided with：
Image coding module, for being converted into, by this Mura compensating image signals, the image letter that this plane display module is capable of identify that
Number form.
7. Mura compensating image signals generating means according to claim 6 are it is characterised in that this image coding module is used
In the image letter that this Mura compensating image signals is converted into LVDS and/or DP and/or MIPI and/or V-BY-ONE interface format
Number.
8. a kind of Mura defect 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 it is used for calculating this display picture
The image processing apparatus of the first Mura offset data of data are it is characterised in that this Mura defect repair system is also included as power
Profit requires the Mura compensating image signals generating means described in 1 to 6 any one.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106228924A (en) * | 2016-08-05 | 2016-12-14 | 武汉精测电子技术股份有限公司 | Mottle compensating image signals generating means, method and color spot failures repair system |
| CN107025891A (en) * | 2017-03-23 | 2017-08-08 | 武汉精测电子技术股份有限公司 | A kind of display module defect fast repairing method and system |
| CN107767807A (en) * | 2017-08-23 | 2018-03-06 | 武汉精测电子集团股份有限公司 | A kind of color spot restorative procedure and system suitable for CELL processes |
| 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 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106228924A (en) * | 2016-08-05 | 2016-12-14 | 武汉精测电子技术股份有限公司 | Mottle compensating image signals generating means, method and color spot failures repair system |
| CN106228924B (en) * | 2016-08-05 | 2019-09-13 | 武汉精测电子集团股份有限公司 | Color spot compensating image signals generating means, method and color spot failures repair system |
| CN107025891A (en) * | 2017-03-23 | 2017-08-08 | 武汉精测电子技术股份有限公司 | A kind of display module defect fast repairing method and system |
| CN107767807A (en) * | 2017-08-23 | 2018-03-06 | 武汉精测电子集团股份有限公司 | A kind of color spot restorative procedure and system suitable for CELL processes |
| CN107767807B (en) * | 2017-08-23 | 2022-07-01 | 武汉精测电子集团股份有限公司 | Color spot repairing method and system suitable for CELL procedure |
| 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 |
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Address after: 430070 Hubei City, Hongshan Province, South Lake Road, No. 53, Hongshan Venture Center, building on the 4 floor, No. Patentee after: Wuhan fine test electronics group Limited by Share Ltd Address before: 430070 Hubei City, Hongshan Province, South Lake Road, No. 53, Hongshan Venture Center, building on the 4 floor, No. Patentee before: Wuhan Jingce Electronic Technology Co., Ltd. |