CN108008553A - A kind of Mura detection bearing calibrations and system - Google Patents
A kind of Mura detection bearing calibrations and system Download PDFInfo
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- CN108008553A CN108008553A CN201711174458.9A CN201711174458A CN108008553A CN 108008553 A CN108008553 A CN 108008553A CN 201711174458 A CN201711174458 A CN 201711174458A CN 108008553 A CN108008553 A CN 108008553A
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- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 241001269238 Data Species 0.000 claims abstract description 29
- 230000008439 repair process Effects 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 6
- 230000006870 function Effects 0.000 description 17
- 238000005056 compaction Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003702 image correction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
-
- G06T5/80—
Abstract
The present invention provides a kind of Mura detections bearing calibration, including high-definition camera intercepts the screen picture of LCD screen, and the screen picture of interception is sent to server；Server handles the screen picture of interception into line distortion, detect the Mura regions of LCD screen, and the Mura regions detected are calculated using default backoff algorithm, Mura offset data tables are formed, and further send Mura offset data tables to prosthetic appliance；Prosthetic appliance is corrected the screen picture of LCD screen according to Mura offset datas table.Present invention also offers another Mura to detect bearing calibration.Invention further provides a kind of Mura to detect correction system.Invention further provides another Mura to detect correction system.Implement the present invention, run time can be reduced, improve identification and the compensation efficiency of Mura.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of Mura（Color spot）Detect bearing calibration and system.
Background technology
It is commonly used with flat-panel screens, such as liquid crystal display（LCD）A large amount of uses are in TV, computer monitor
Device, mobile phone, on various household electrical appliances, the quality of panel of LCD also has increasing need for paying attention under a large amount of productions, such as color
Coloured silk, contrast, reaction time, brightness etc..
Mura refers to the uneven phenomenon for causing various traces of display brightness, may because LCD attach color screen when and
Caused by show flaw, in addition driving chip, liquid crystal are also all likely to become the origin cause of formation of Mura in itself.The simplest judgement sides of Mura
Method is exactly to be switched to black picture and other grey menus, is then carefully gone from a variety of angles, with various
The manufacture craft flaw of various kinds, such as travers or 45 degree of angle bead lines, square, circular blocks, it is also possible to which some corner goes out
Existing one piece of flaw is low to be contrasted, irregularly shows so that liquid crystal display just has miscellaneous Mura.It can be seen from the above that Mura
The order of severity is to judge the important references of display screen quality, therefore is essential to display Mura detections and correction.
However, there is various shortcomings, its shortcoming to be for existing display Mura detection and bearing calibration：Run time mistake
Length, compensation grayscale transition is rough, edge compensation is insufficient and needs to use Dithering（Shake）Function.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is, there is provided a kind of Mura detection bearing calibrations and system, energy
Run time is enough reduced, improves identification and the compensation efficiency of Mura.
In order to solve the above-mentioned technical problem, an embodiment of the present invention provides a kind of Mura to detect bearing calibration, the method
Including：
High-definition camera intercepts the screen picture of LCD screen, and the screen picture of interception is sent to server；
The server handles the screen picture of the interception into line distortion, detects the Mura regions of the LCD screen, and profit
The Mura regions detected are calculated with default backoff algorithm, form Mura offset data tables, and further will
The Mura offset datas table pushes to the prosthetic appliance；
The prosthetic appliance is corrected the screen picture of the LCD screen according to the Mura offset datas table.
Wherein, gigabit Ethernet mouth, high speed fibre interface, high speed are passed through between the high-definition camera and the server
One connects among USB interface, wireless broadband interface.
Wherein, connected by USB interface between the prosthetic appliance and the server, and led between the LCD screen
Cross the connection of VX1 interfaces.
The embodiment of the present invention additionally provides another Mura detections bearing calibration, the described method includes：
High-definition camera intercepts the screen picture of LCD screen, and the screen picture of interception is sent to server；
The server handles the screen picture of the interception into line distortion, detects the Mura regions of the LCD screen, and profit
The Mura regions detected are calculated with default backoff algorithm, form Mura offset data tables, and further will
The Mura offset datas table pushes to the LCD screen；
The LCD screen is corrected screen picture according to the Mura offset datas table.
Wherein, the LCD screen is built-in with the repair module of Mura repair functions, and by SPI interface built in it
Repair module is realized with the server and connected.
The embodiment of the present invention additionally provides a kind of Mura detections correction system, including high-definition camera, the clothes sequentially connected
Business device, prosthetic appliance and LCD screen；Wherein,
The high-definition camera, for being intercepted to the screen picture of the LCD screen, and the screen picture of interception is sent to
Server；
The server, handles into line distortion for the screen picture to the interception, detects the Mura areas of the LCD screen
Domain, and the Mura regions detected are calculated using default backoff algorithm, Mura offset data tables are formed, are gone forward side by side
One step sends the Mura offset datas table to the prosthetic appliance；
The prosthetic appliance, for being corrected according to the Mura offset datas table to the screen picture of the LCD screen.
Wherein, gigabit Ethernet mouth, high speed fibre interface, high speed are passed through between the high-definition camera and the server
One connects among USB interface, wireless broadband interface.
Wherein, connected by USB interface between the prosthetic appliance and the server, and led between the LCD screen
Cross the connection of VX1 interfaces.
The embodiment of the present invention additionally provides another Mura detection correction system, including sequentially connect high-definition camera,
Server and LCD screen；Wherein,
The high-definition camera, for being intercepted to the screen picture of the LCD screen, and the screen picture of interception is sent to
Server；
The server, handles into line distortion for the screen picture to the interception, detects the Mura areas of the LCD screen
Domain, and the Mura regions detected are calculated using default backoff algorithm, Mura offset data tables are formed, are gone forward side by side
One step sends the Mura offset datas table to the LCD screen；
The LCD screen, for being corrected according to the Mura offset datas table to screen picture.
Wherein, the LCD screen is built-in with the repair module of Mura repair functions, and by SPI interface built in it
Repair module is realized with the server and connected.
Implement the embodiment of the present invention, have the advantages that：
In embodiments of the present invention, after the screen picture that LCD screen is intercepted by high-definition camera, identified through server process
Mura regions simultaneously form Mura offset data tables so that LCD screen can be quickly corrected according to Mura offset data tables, so as to subtract
Lack run time, improve identification and the compensation efficiency of Mura.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, according to
These attached drawings obtain other attached drawings and still fall within scope of the invention.
Fig. 1 is the structure diagram that a kind of Mura that the embodiment of the present invention one provides detects correction system；
Fig. 2 is the structure diagram that another kind Mura provided by Embodiment 2 of the present invention detects correction system；
Fig. 3 is the flow chart that a kind of Mura that the embodiment of the present invention three provides detects bearing calibration；
Fig. 4 is the flow chart that another Mura that the embodiment of the present invention four provides detects bearing calibration.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
It is described in detail on step ground.
As shown in Figure 1, in the embodiment of the present invention one, there is provided a kind of Mura detection correction systems, including sequentially connect
High-definition camera 11, server 12, prosthetic appliance 13 and LCD screen 14；Wherein,
The high-definition camera 11, sends out for being intercepted to the screen picture of the LCD screen 14, and by the screen picture of interception
Give server；
The server 12, handles into line distortion for the screen picture to the interception, detects the Mura of the LCD screen 14
Region, and the Mura regions detected are calculated using default backoff algorithm, Mura offset data tables are formed, and
Further the Mura offset datas table is sent to the prosthetic appliance 13；
The prosthetic appliance 13, for being corrected according to the Mura offset datas table to the screen picture of the LCD screen 14.
It should be noted that server 12 using the powerful parallel processing capabilities of GPU, can quickly realize including but it is unlimited
In following functions：（1）, carry out high-definition camera 11 automatic positioning；（2）, carry out needing the distortion figure for consuming a large amount of cpu resources
As correction calculation；（3）, Mura identification computing；（4）, Mura compensation forms generation computing；（5）, Mura compensation forms
Compaction algorithms；（6）, label identification；（7）, label occlusion area Mura estimation computing；（8）, whole flat-panel monitor it is thin
Section identification.It can be seen from the above that server 12 can realize pattern distortion processing, identification Mura regions and form Mura offset datas
Table etc. function.
In the embodiment of the present invention one, pass through gigabit Ethernet mouth, high-speed light between high-definition camera 11 and server 12
One connects among fine interface, hi-speed USB interface, wireless broadband interface；Connect between prosthetic appliance 13 and server 12 by USB
Mouth connection, and be connected between LCD screen 14 by VX1 interfaces.
In one embodiment, high-definition camera 11 is realized using the SonyXCG5005CR video cameras with high definition camera lens
The screen picture interception of LCD screen 4；Server 12 is integrated with model TESLA KOM thereon using the host of model PR2764
GPU calculate card, for Mura detection, identification and offset data table generation；Prosthetic appliance 13 is with FPGA+MCU（Zynq-7000）
Formed for core, it is aobvious for being corrected according to Mura offset datas table to the screen picture of LCD screen 14 and pushing to LCD screen 4
Show.High-definition camera 11 and server 12 use hi-speed USB interface, pass through USB interface between prosthetic appliance 13 and server 12
Connection, and connected between prosthetic appliance 13 and LCD screen 14 by VX1 interfaces.
As shown in Fig. 2, in the embodiment of the present invention two, there is provided another Mura detection correction systems, including sequentially connect
High-definition camera 21, server 22 and the LCD screen 23 connect；Wherein,
The high-definition camera 21, sends out for being intercepted to the screen picture of the LCD screen 23, and by the screen picture of interception
Give server；
The server 22, handles into line distortion for the screen picture to the interception, detects the Mura areas of the LCD screen
Domain, and the Mura regions detected are calculated using default backoff algorithm, Mura offset data tables are formed, are gone forward side by side
One step sends the Mura offset datas table to the LCD screen 23；
The LCD screen 23, for being corrected according to the Mura offset datas table to screen picture.
It should be noted that server 22 using the powerful parallel processing capabilities of GPU, can quickly realize including but it is unlimited
In following functions：（1）, carry out high-definition camera 21 automatic positioning；（2）, carry out needing the distortion figure for consuming a large amount of cpu resources
As correction calculation；（3）, Mura identification computing；（4）, Mura compensation forms generation computing；（5）, Mura compensation forms
Compaction algorithms；（6）, label identification；（7）, label occlusion area Mura estimation computing；（8）, whole flat-panel monitor it is thin
Section identification.It can be seen from the above that server 22 can realize pattern distortion processing, identification Mura regions and form Mura offset datas
Table etc. function.
It should be noted that LCD screen 23 is built-in with the repair module 231 of Mura repair functions and is realized by SPI interface
Connection, can obtain the Mura offset datas table of the formation of server 22 and carry out screen picture correction.Therefore corresponding to the present invention
Mura detection correction systems in embodiment one, the Mura detection correction systems in the embodiment of the present invention two, will repair with Mura
The prosthetic appliance of multiple function is integrated in LCD screen 23 as function module.
In the embodiment of the present invention two, pass through gigabit Ethernet mouth, high-speed light between high-definition camera 21 and server 22
One connects among fine interface, hi-speed USB interface, wireless broadband interface.
In one embodiment, connected between high-definition camera 21 and server 22 by gigabit Ethernet mouth；LCD screen 23
Connected by USB interface between server 22, and be connected between built-in repair module 231 by SPI interface.
As shown in figure 3, detecting correction system corresponding to the Mura in the embodiment of the present invention one, the embodiment of the present invention three provides
A kind of Mura detects bearing calibration, and this method is applied in the Mura detection correction systems in the embodiment of the present invention one（Such as Fig. 1 institutes
Show）, specifically include：
Step S11, high-definition camera intercepts the screen picture of LCD screen, and the screen picture of interception is sent to service
Device；
Step S12, described server handles the screen picture of the interception into line distortion, detects the Mura of the LCD screen
Region, and the Mura regions detected are calculated using default backoff algorithm, Mura offset data tables are formed, and
The Mura offset datas table is further pushed into the prosthetic appliance；
Step S13, described prosthetic appliance is corrected the screen picture of the LCD screen according to the Mura offset datas table.
It should be noted that parallel processing capability powerful server by utilizing GPU, can quickly realize including but not limited to
Following functions：1st, the automatic positioning of high-definition camera is carried out, 2, the distorted image correction for need consuming a large amount of cpu resources transports
Calculate, 3, the identification computing of Mura, 4, the generation computing of the compensation forms of Mura, 5, the compensation forms compaction algorithms of Mura, 6, mark
The identification of label, 7, the estimation computing of label occlusion area Mura, 8, the details identification of whole flat-panel monitor.It can be seen from the above that clothes
Business device can realize pattern distortion processing, identification Mura regions and form Mura offset data tables etc. function.
In the embodiment of the present invention three, connect between high-definition camera and server by gigabit Ethernet mouth, high speed fibre
One connects among mouth, hi-speed USB interface, wireless broadband interface；Connected between prosthetic appliance and server by USB interface,
And it is connected between LCD screen by VX1 interfaces.
In one embodiment, high-definition camera uses the SonyXCG5005CR video cameras with high definition camera lens, realizes
The screen picture interception of LCD screen；Server uses the host of model PR2764, is integrated with model TESLA KOM's thereon
GPU calculates card, for Mura detections, identification and the generation of offset data table；Prosthetic appliance is with FPGA+MCU（Zynq-7000）For core
The heart is formed, and is shown for being corrected to the screen picture of LCD screen according to Mura offset datas table and pushing to LCD screen.High definition
Video camera and server use hi-speed USB interface, are connected between prosthetic appliance and server by USB interface, and prosthetic appliance
It is connected between LCD screen by VX1 interfaces.
As shown in figure 4, detecting correction system corresponding to the Mura in the embodiment of the present invention two, the embodiment of the present invention four provides
Another Mura detects bearing calibration, and this method is applied in the Mura detection correction systems in the embodiment of the present invention two（Such as Fig. 2
It is shown）, specifically include：
Step S21, high-definition camera intercepts the screen picture of LCD screen, and the screen picture of interception is sent to service
Device；
Step S22, described server handles the screen picture of the interception into line distortion, detects the Mura of the LCD screen
Region, and the Mura regions detected are calculated using default backoff algorithm, Mura offset data tables are formed, and
The Mura offset datas table is further pushed into the LCD screen；
Step S23, described LCD screen is corrected screen picture according to the Mura offset datas table.
It should be noted that parallel processing capability powerful server by utilizing GPU, can quickly realize including but not limited to
Following functions：1st, the automatic positioning of high-definition camera is carried out, 2, the distorted image correction for need consuming a large amount of cpu resources transports
Calculate, 3, the identification computing of Mura, 4, the generation computing of the compensation forms of Mura, 5, the compensation forms compaction algorithms of Mura, 6, mark
The identification of label, 7, the estimation computing of label occlusion area Mura, 8, the details identification of whole flat-panel monitor.It can be seen from the above that clothes
Business device can realize pattern distortion processing, identification Mura regions and form Mura offset data tables etc. function.
In the embodiment of the present invention four, connect between high-definition camera and server by gigabit Ethernet mouth, high speed fibre
One connects among mouth, hi-speed USB interface, wireless broadband interface.
In the embodiment of the present invention four, LCD screen is built-in with the repair module of Mura repair functions and by SPI interface and clothes
Business device realizes connection, can obtain the Mura offset datas table of server formation and carry out screen picture correction.
In one embodiment, connected between high-definition camera and server by gigabit Ethernet mouth；It is built-in in LCD screen
Repair module pass through SPI interface and server and realize and connect.
Implement the embodiment of the present invention, have the advantages that：
In embodiments of the present invention, after the screen picture that LCD screen is intercepted by high-definition camera, identified through server process
Mura regions simultaneously form Mura offset data tables so that LCD screen can be quickly corrected according to Mura offset data tables, so as to subtract
Lack run time, improve identification and the compensation efficiency of Mura.
It is worth noting that, in above-described embodiment, included each system unit is simply drawn according to function logic
Point, but above-mentioned division is not limited to, as long as corresponding function can be realized；In addition, each functional unit is specific
Title is also only to facilitate mutually distinguish, the protection domain being not intended to limit the invention.
Can be with one of ordinary skill in the art will appreciate that realizing that all or part of step in above-described embodiment method is
Relevant hardware is instructed to complete by program, the program can be stored in a computer read/write memory medium,
The storage medium, such as ROM/RAM, disk, CD.
The above disclosed power for being only a kind of preferred embodiment of the present invention, the present invention cannot being limited with this certainly
Sharp scope, therefore equivalent variations made according to the claims of the present invention, are still within the scope of the present invention.
Claims (10)
1. a kind of Mura detects bearing calibration, it is characterised in that the described method includes：
High-definition camera intercepts the screen picture of LCD screen, and the screen picture of interception is sent to server；
The server handles the screen picture of the interception into line distortion, detects the Mura regions of the LCD screen, and profit
The Mura regions detected are calculated with default backoff algorithm, form Mura offset data tables, and by described in
Mura offset data tables are sent to the prosthetic appliance；
The prosthetic appliance is corrected the screen picture of the LCD screen according to the Mura offset datas table.
2. Mura as claimed in claim 1 detects bearing calibration, it is characterised in that the high-definition camera and the server
Between connected by one among gigabit Ethernet mouth, high speed fibre interface, hi-speed USB interface, wireless broadband interface.
3. Mura as claimed in claim 1 detects bearing calibration, it is characterised in that the prosthetic appliance and the server it
Between connected by USB interface, and be connected between the LCD screen by VX1 interfaces.
4. a kind of Mura detects bearing calibration, it is characterised in that the described method includes：
High-definition camera intercepts the screen picture of LCD screen, and the screen picture of interception is sent to server；
The server handles the screen picture of the interception into line distortion, detects the Mura regions of the LCD screen, and profit
The Mura regions detected are calculated with default backoff algorithm, form Mura offset data tables, and by described in
Mura offset data tables push to the LCD screen；
The LCD screen is corrected screen picture according to the Mura offset datas table.
5. Mura as claimed in claim 4 detects bearing calibration, it is characterised in that the LCD screen is built-in with Mura and repairs work(
Can repair module, and realized and connected with the server by repair module of the SPI interface built in it.
6. a kind of Mura detects correction system, it is characterised in that including high-definition camera, server, prosthetic appliance and LCD screen；
Wherein,
The high-definition camera, for being intercepted to the screen picture of the LCD screen, and the screen picture of interception is sent to
Server；
The server, handles into line distortion for the screen picture to the interception, detects the Mura areas of the LCD screen
Domain, and the Mura regions detected are calculated using default backoff algorithm, Mura offset data tables are formed, are gone forward side by side
One step sends the Mura offset datas table to the prosthetic appliance；
The prosthetic appliance, for being corrected according to the Mura offset datas table to the screen picture of the LCD screen.
7. the Mura detection correction systems described in claim 6, it is characterised in that the high-definition camera and the server it
Between connected by one among gigabit Ethernet mouth, high speed fibre interface, hi-speed USB interface, wireless broadband interface.
8. Mura as claimed in claim 6 detects correction system, it is characterised in that the prosthetic appliance and the server it
Between connected by USB interface, and be connected between the LCD screen by VX1 interfaces.
9. a kind of Mura detects correction system, it is characterised in that including high-definition camera, server and LCD screen；Wherein,
The high-definition camera, for being intercepted to the screen picture of the LCD screen, and the screen picture of interception is sent to
Server；
The server, handles into line distortion for the screen picture to the interception, detects the Mura areas of the LCD screen
Domain, and the Mura regions detected are calculated using default backoff algorithm, Mura offset data tables are formed, are gone forward side by side
One step sends the Mura offset datas table to the LCD screen；
The LCD screen, for being corrected according to the Mura offset datas table to screen picture.
10. Mura as claimed in claim 9 detects correction system, it is characterised in that the LCD screen is built-in with Mura and repairs work(
Can repair module, and realized and connected with the server by repair module of the SPI interface built in it.
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| CN201711174458.9A CN108008553A (en) | 2017-11-22 | 2017-11-22 | A kind of Mura detection bearing calibrations and system |
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| TWI679890B (en) * | 2018-06-06 | 2019-12-11 | 友達光電股份有限公司 | Image Compensation Method For Display Panel |
| CN108986734B (en) * | 2018-06-06 | 2021-07-20 | 友达光电股份有限公司 | Image compensation method of display panel |
| CN109064958A (en) * | 2018-08-24 | 2018-12-21 | 上海易密值半导体技术有限公司 | color demura system based on GPU |
| CN109459872A (en) * | 2018-10-19 | 2019-03-12 | 武汉精测电子集团股份有限公司 | A kind of mould group detection method and device using FPGA and multiple PCIe video cards |
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| CN110473506A (en) * | 2019-08-01 | 2019-11-19 | 深圳市华星光电技术有限公司 | Source electrode drive circuit, display panel, drive circuit and display |
| CN111739459A (en) * | 2020-08-20 | 2020-10-02 | 武汉精测电子集团股份有限公司 | Cloud-based mura repairing method and system for display panel |
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Application publication date: 20180508 |