CN107146572A - Display screen bearing calibration and its system, computer-readable recording medium - Google Patents
Display screen bearing calibration and its system, computer-readable recording medium Download PDFInfo
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- CN107146572A CN107146572A CN201710568685.3A CN201710568685A CN107146572A CN 107146572 A CN107146572 A CN 107146572A CN 201710568685 A CN201710568685 A CN 201710568685A CN 107146572 A CN107146572 A CN 107146572A
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- display screen
- temperature
- correction data
- different temperatures
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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]
Abstract
The invention discloses a kind of display screen bearing calibration and its system, computer-readable recording medium, method includes：The corresponding correction data of the different temperatures that prestores；Monitor the temperature of display screen in real time by temperature sensor；According to the temperature, corresponding correction data is obtained；According to the correction data, display screen is corrected.Present invention can ensure that LED display can uniformly be shown at different temperatures, so as to improve LED display as temperature raises the increasingly severe problem of colour cast, and keep white balance accurate, color is true to nature, precise restoration image, LED display is set to continue to keep excellent display effect, it is ensured that the excellent vision appreciation effect of client.
Description
Technical field
The present invention relates to display screen technology field, more particularly to a kind of display screen bearing calibration and its system, computer can
Read storage medium.
Background technology
As flat panel display develops to large area, digitlization, high-resolution, LED alignment techniques increasingly obtain everybody
Extensive to pay attention to, alignment technique is also that LED display ensures the key of uniformity quality.The quality of calibration result directly affects people
Vision appreciation effect.After a series of correction coefficient are obtained using alignment technique, by uploading correction coefficient to correction
The control system of function come reach LED display correction after uniformity effect.But due to LED display in use
Due to red, green and blue LED can the brightness decay with temperature rise, and the decay of three colors at that same temperature is inconsistent, such as Fig. 1
It is shown, cause LED display to use at different temperatures, it may appear that colour cast phenomenon, white balance is inaccurate, and color is not true to nature, nothing
Method precise restoration image, display effect is poor, therefore, LED display in use, uniform by originally shielding body color, and with it is long when
Between point brightness temperature constantly raise, there is colour cast phenomenon in LED display, and to raise colour cast increasingly severe with temperature, and warm
Degree identification alignment technique can improve LED display as temperature raises the increasingly severe problem of colour cast, can make LED display
Persistently keep excellent display effect.
The content of the invention
The technical problems to be solved by the invention are：A kind of display screen bearing calibration and its system are provided, it is computer-readable
Storage medium, makes LED display continue to keep excellent display effect.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：A kind of display screen bearing calibration, including：
The corresponding correction data of the different temperatures that prestores；
Monitor the temperature of display screen in real time by temperature sensor；
According to the temperature, corresponding correction data is obtained；
According to the correction data, display screen is corrected.
The invention further relates to a kind of display screen correction system, including：
Pre- storing module, for the corresponding correction data of the different temperatures that prestores；
Monitoring modular, the temperature for monitoring display screen in real time by temperature sensor；
First acquisition module, for according to the temperature, obtaining corresponding correction data；
Correction module, for according to the correction data, being corrected to display screen.
The invention further relates to a kind of computer-readable recording medium, computer program is stored thereon with, described program is located
The step of reason device realizes the above method when performing.
The beneficial effects of the present invention are：The real time temperature data of the display screen provided according to temperature sensor, are called
Corresponding correction data, it is possible to achieve LED display is automatically performed correction under different temperatures；Present invention can ensure that LED is shown
Screen can uniformly be shown at different temperatures, so that improve LED display as temperature raises the increasingly severe problem of colour cast,
And keep white balance accurate, color is true to nature, precise restoration image, LED display is continued to keep excellent display effect, it is ensured that
The excellent vision appreciation effect of client.
Brief description of the drawings
Fig. 1 is the attenuation curve schematic diagram of RGB under different temperatures；
Fig. 2 is a kind of flow chart of display screen bearing calibration of the embodiment of the present invention one；
Fig. 3 is a kind of structural representation of display screen correction system of the invention；
Fig. 4 is the system structure diagram of the embodiment of the present invention three.
Label declaration：
1st, pre- storing module；2nd, monitoring modular；3rd, the first acquisition module；4th, correction module；
5th, judge module；6th, performing module；7th, the second acquisition module.
Embodiment
To describe technology contents, the objects and the effects of the present invention in detail, below in conjunction with embodiment and coordinate attached
Figure is explained in detail.
The design of most critical of the present invention is：The corresponding correction data of the different temperatures that prestores, is called pair in different temperatures
The correction data answered carries out the correction of display screen.
Referring to Fig. 2, a kind of display screen bearing calibration, including：
The corresponding correction data of the different temperatures that prestores；
Monitor the temperature of display screen in real time by temperature sensor；
According to the temperature, corresponding correction data is obtained；
According to the correction data, display screen is corrected.
It was found from foregoing description, the beneficial effects of the present invention are：It can ensure that LED display at different temperatures can
Enough uniform display, and keep white balance accurate, color is true to nature, precise restoration image, and continuing LED display, holding is excellent to be shown
Show.
Further, the temperature of the display screen includes the temperature of display screen module and/or the temperature of display screen box body.
Further, before described " the corresponding correction data of the different temperatures that prestores ", further comprise：
According to default correction coefficient, judge whether that needs are corrected；
If so, then performing the step of prestoring different temperatures corresponding correction data.
Seen from the above description, if display screen excellent in uniform before dispatching from the factory, display effect is good, then it need not correct；
If lack of homogeneity, display effect is bad, then correction is needed, can also determine whether to be corrected according to the requirement of client.
Further, the corresponding correction data of the different temperatures is obtained by test；The test is specially：
Display screen is positioned in the environment of temperature-controllable；
The temperature of the environment is adjusted, the display screen under different temperatures is corrected, the corresponding school of different temperatures is obtained
Correction data.
Seen from the above description, correction data is obtained by test, can not only improve the display effect of different temperatures, also
Module or casing can be improved causes the problem of display effect is bad because of design problem.
Fig. 3 is refer to, the present invention also proposes a kind of display screen correction system, including：
Pre- storing module, for the corresponding correction data of the different temperatures that prestores；
Monitoring modular, the temperature for monitoring display screen in real time by temperature sensor；
First acquisition module, for according to the temperature, obtaining corresponding correction data；
Correction module, for according to the correction data, being corrected to display screen.
Further, the temperature of the display screen includes the temperature of display screen module and/or the temperature of display screen box body.
Further, in addition to：
Judge module, for according to default correction coefficient, judging whether that needs are corrected；
Performing module, for if so, then performing the step of prestoring different temperatures corresponding correction data.
Further, in addition to：
Second acquisition module, for display screen to be positioned in the environment of temperature-controllable, adjusts the temperature of the environment, right
Display screen under different temperatures is corrected, and obtains the corresponding correction data of different temperatures.
The invention also provides a kind of computer-readable recording medium, computer program, described program quilt are stored thereon with
Following steps are realized during computing device：
The corresponding correction data of the different temperatures that prestores；
Monitor the temperature of display screen in real time by temperature sensor；
According to the temperature, corresponding correction data is obtained；
According to the correction data, display screen is corrected.
Further, the temperature of the display screen includes the temperature of display screen module and/or the temperature of display screen box body.
Further, before described " the corresponding correction data of the different temperatures that prestores ", further comprise：
According to default correction coefficient, judge whether that needs are corrected；
If so, then performing the step of prestoring different temperatures corresponding correction data.
Further, the corresponding correction data of the different temperatures is obtained by test；The test is specially：
Display screen is positioned in the environment of temperature-controllable；
The temperature of the environment is adjusted, the display screen under different temperatures is corrected, the corresponding school of different temperatures is obtained
Correction data.
Embodiment one
Fig. 2 is refer to, embodiments of the invention one are：A kind of display screen bearing calibration, can be applied to LED display, institute
The method of stating comprises the following steps：
S1：The corresponding correction data of the different temperatures that prestores；
S2：Monitor the temperature of display screen in real time by temperature sensor；Display screen can be LED display, the display screen
Temperature can for LED display module temperature or LED display casing temperature.
S3：According to the temperature, corresponding correction data is obtained；
S4：According to the correction data, display screen is corrected.
Further, LED display can decide whether to be corrected before dispatching from the factory according to screen body effect and customer requirement, can
Mark whether to be corrected by default correction coefficient, i.e., before step S1, according to default correction coefficient, judge whether
Need to be corrected；If so, then performing step S1-S4.
Correction coefficient can use (Rij〕、〔Gij〕、〔Bij) represent；RijRepresent the i-th row jth row red LED lamp, GijRepresent i-th
Row jth row green LED lamp, BijRepresent the i-th row jth row blue LED lamp；〔Rij) represent the i-th row jth row red LED lamp RijSchool
Positive coefficient, (Gij) represent the i-th row jth row green LED lamp GijCorrection coefficient, (Bij) represent the i-th row jth row blue LED lamp Bij
Correction coefficient.
Correction be that point with whole screen minimum brightness for standard, by the luminance-reduction of the higher point of other brightness, therefore,
The correction coefficient of minimum brightness point is 1, and brightness is constant, and other are multiplied by the coefficient reduction brightness less than 1.Therefore, in the present embodiment,
As (Rij〕、〔Gij〕、〔Bij) initial value when being 1, i.e. (Rij)=1, (Gij)=1, (BijDuring)=1, then it represents that do not correct；
As (Rij〕、〔Gij〕、〔Bij) initial value when belonging to [0,1], i.e. 0 ＜ (Rij)≤1,0 ＜ (Gij)≤1,0 ＜ (BijDuring)≤1, then
Expression need to be corrected.
Further, correction data can as the correction coefficient of each LED on display screen set, under normal circumstances
There was only one group of correction data in LED display, (this correction data can only ensure that LED display is temporarily uniform, become when with temperature
Change, its uniformity is deteriorated).
Further, the corresponding correction data of different temperatures in step S1 is obtained by test；The test is specially：
Display screen is positioned in the environment of temperature-controllable；Adjusting ambient temperature, is corrected to the display screen under different temperatures, obtains
The corresponding correction data of different temperatures is simultaneously stored.For example, when temperature sensor detects the casing or module of LED display
Temperature be 20 DEG C when, LED display is corrected, correction data (R is obtainedij〕20℃、〔Gij〕20℃、〔Bij〕20℃And under preserving
Come；When temperature sensor detects the casing of LED display or the temperature of module is 30 DEG C, LED display is corrected,
Obtain correction data (Rij〕30℃、〔Gij〕30℃、〔Bij〕30℃And preserve；Correction number when similarly obtaining and storing other temperature
According to such as -30 DEG C, -20 DEG C, -10 DEG C, 0 DEG C, 10 DEG C, 40 DEG C, 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C.
Because correction data test is obtained, therefore, the present embodiment can not only improve the display effect of different temperatures,
Module or casing, which can also be improved, causes the problem of display effect is bad because of design problem, and such as module is because of circuit design problem
Cause colour cast, temperature change causes colour cast more obvious.
In the present embodiment, LED display is corrected at multiple temperatures, under forming multigroup correction data and preserving
Come, then the real time temperature data of casing or module are provided according to temperature monitoring equipment, the correction number under relevant temperature is called
According to so as to ensure that LED display can uniformly be shown at different temperatures, improvement LED display raises colour cast with temperature
Increasingly severe problem, and keep white balance accurate, color is true to nature, precise restoration image, and LED display can be made to continue holding
Excellent display effect, and the scope of application is big, highly versatile.
Embodiment two
The present embodiment is a concrete application scene of embodiment one.
LED display in the present embodiment is provided with temperature sensor, single-chip microcomputer and Flash memory chip；TEMP
Device can monitoring box body or module in real time temperature, Flash memory chip can be with data storage, i.e. storage temperature and correction data
And its contingency table of the two, single-chip microcomputer can extract corresponding correction data at different temperatures.
Casing or module can extract Flash memory chip by single-chip microcomputer when casing or module reach a certain temperature
Middle casing or module are in correction data during this temperature, and by correction coefficient (Rij〕T、〔Gij〕T、〔Bij〕TLED is sent to show
Display screen, LED display can be corrected.Wherein, (Rij〕TRepresent the i-th row jth row red LED lamp RijIn casing or module
Correction coefficient during in temperature T, (Gij〕TRepresent the i-th row jth row green LED lamp GijWhen casing or module are in temperature T
Correction coefficient, (Bij〕TRepresent the i-th row jth row blue LED lamp BijCorrection coefficient when casing or module are in temperature T,
And 0 ＜ (Rij〕T≤ 1,0 ＜ (Gij〕T≤ 1,0 ＜ (Bij〕T≤1。
It is standard by temperature sensor monitors one-point or multi-point temperature, when monitors temperature is T, monolithic
Machine extracts the corresponding correction datas of temperature T stored in Flash memory chip and is sent to LED display, automatically extracts automatic
Transmission, realizes the automatic correction of temperature identification.
Embodiment three
Fig. 4 is refer to, the present embodiment is a kind of display screen correction system of correspondence above-described embodiment, including：
Pre- storing module 1, for the corresponding correction data of the different temperatures that prestores；
Monitoring modular 2, the temperature for monitoring display screen in real time by temperature sensor；
First acquisition module 3, for according to the temperature, obtaining corresponding correction data；
Correction module 4, for according to the correction data, being corrected to display screen.
Further, the temperature of the display screen includes the temperature of display screen module and/or the temperature of display screen box body.
Further, in addition to：
Judge module 5, for according to default correction coefficient, judging whether that needs are corrected；
Performing module 6, for if so, then performing the step of prestoring different temperatures corresponding correction data.
Further, in addition to：
Second acquisition module 7, for display screen to be positioned in the environment of temperature-controllable, adjusts the temperature of the environment,
Display screen under different temperatures is corrected, the corresponding correction data of different temperatures is obtained.
Example IV
The present embodiment is a kind of computer-readable recording medium of correspondence above-described embodiment, is stored thereon with computer journey
Sequence, realizes following steps when described program is executed by processor：
The corresponding correction data of the different temperatures that prestores；
Monitor the temperature of display screen in real time by temperature sensor；
According to the temperature, corresponding correction data is obtained；
According to the correction data, display screen is corrected.
Further, the temperature of the display screen includes the temperature of display screen module and/or the temperature of display screen box body.
Further, before described " the corresponding correction data of the different temperatures that prestores ", further comprise：
According to default correction coefficient, judge whether that needs are corrected；
If so, then performing the step of prestoring different temperatures corresponding correction data.
Further, the corresponding correction data of the different temperatures is obtained by test；The test is specially：
Display screen is positioned in the environment of temperature-controllable；
The temperature of the environment is adjusted, the display screen under different temperatures is corrected, the corresponding school of different temperatures is obtained
Correction data.
In summary, the present invention is provided a kind of display screen bearing calibration and its system, computer-readable recording medium,
LED display is corrected at multiple temperature, multigroup correction data is formed and preserves, then according to temperature monitoring equipment
The real time temperature data of institute's offer casing or module, call the correction data under relevant temperature, so as to ensure LED display not
It can uniformly be shown under synthermal, improve LED display as temperature raises the increasingly severe problem of colour cast, and keep white flat
Weighing apparatus is accurate, and color is true to nature, precise restoration image, and LED display can be made to continue to keep excellent display effect, and the scope of application
Greatly, highly versatile.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalents that bright specification and accompanying drawing content are made, or the technical field of correlation is directly or indirectly used in, similarly include
In the scope of patent protection of the present invention.
Claims (9)
1. a kind of display screen bearing calibration, it is characterised in that including：
The corresponding correction data of the different temperatures that prestores；
Monitor the temperature of display screen in real time by temperature sensor；
According to the temperature, corresponding correction data is obtained；
According to the correction data, display screen is corrected.
2. display screen bearing calibration according to claim 1, it is characterised in that the temperature of the display screen includes display screen
The temperature of module and/or the temperature of display screen box body.
3. display screen bearing calibration according to claim 1, it is characterised in that " the corresponding school of the different temperatures that prestores
Before correction data ", further comprise：
According to default correction coefficient, judge whether that needs are corrected；
If so, then performing the step of prestoring different temperatures corresponding correction data.
4. display screen bearing calibration according to claim 1, it is characterised in that the corresponding correction data of the different temperatures
Obtained by test；The test is specially：
Display screen is positioned in the environment of temperature-controllable；
The temperature of the environment is adjusted, the display screen under different temperatures is corrected, the corresponding correction number of different temperatures is obtained
According to.
5. a kind of display screen correction system, it is characterised in that including：
Pre- storing module, for the corresponding correction data of the different temperatures that prestores；
Monitoring modular, the temperature for monitoring display screen in real time by temperature sensor；
First acquisition module, for according to the temperature, obtaining corresponding correction data；
Correction module, for according to the correction data, being corrected to display screen.
6. display screen correction system according to claim 5, it is characterised in that the temperature of the display screen includes display screen
The temperature of module and/or the temperature of display screen box body.
7. display screen correction system according to claim 5, it is characterised in that also include：
Judge module, for according to default correction coefficient, judging whether that needs are corrected；
Performing module, for if so, then performing the step of prestoring different temperatures corresponding correction data.
8. display screen correction system according to claim 5, it is characterised in that also include：
Second acquisition module, for display screen to be positioned in the environment of temperature-controllable, adjusts the temperature of the environment, to difference
At a temperature of display screen be corrected, obtain the corresponding correction data of different temperatures.
9. a kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that described program is by processor
The step of method described in claim any one of 1-4 is realized during execution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710568685.3A CN107146572A (en) | 2017-07-13 | 2017-07-13 | Display screen bearing calibration and its system, computer-readable recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710568685.3A CN107146572A (en) | 2017-07-13 | 2017-07-13 | Display screen bearing calibration and its system, computer-readable recording medium |
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| CN107146572A true CN107146572A (en) | 2017-09-08 |
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ID=59776234
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| CN201710568685.3A Pending CN107146572A (en) | 2017-07-13 | 2017-07-13 | Display screen bearing calibration and its system, computer-readable recording medium |
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| CN109656509A (en) * | 2017-10-11 | 2019-04-19 | 深圳市奥拓电子股份有限公司 | A kind of method of calibration, terminal device and the storage medium of mould group correction data |
| CN110491349A (en) * | 2019-09-02 | 2019-11-22 | 厦门天马微电子有限公司 | Display control method, display control unit and display module |
| CN111477175A (en) * | 2020-04-24 | 2020-07-31 | 深圳市华星光电半导体显示技术有限公司 | Method for improving service life of display device, related device and storage medium |
| CN111489686A (en) * | 2020-03-31 | 2020-08-04 | 深圳市奥拓电子股份有限公司 | Display screen thermal effect compensation adjustment display device, method and system |
| CN111739465A (en) * | 2020-06-30 | 2020-10-02 | 季华实验室 | Optical seam repairing and compensating method for self-adaptive LED display screen |
| CN112562592A (en) * | 2021-01-03 | 2021-03-26 | 厦门特仪科技有限公司 | Method for adjusting and calibrating gamma value of OLED and test system |
| US10985148B2 (en) | 2018-12-27 | 2021-04-20 | Innolux Corporation | Electronic device |
| CN113611242A (en) * | 2021-07-30 | 2021-11-05 | 卡莱特云科技股份有限公司 | LED screen correction coefficient generation method, LED screen correction coefficient adjustment method and LED screen correction system |
| CN114120887A (en) * | 2020-08-31 | 2022-03-01 | 西安诺瓦星云科技股份有限公司 | Display screen effect adjusting method, device and system and computer readable storage medium |
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| CN109656509A (en) * | 2017-10-11 | 2019-04-19 | 深圳市奥拓电子股份有限公司 | A kind of method of calibration, terminal device and the storage medium of mould group correction data |
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| CN111739465A (en) * | 2020-06-30 | 2020-10-02 | 季华实验室 | Optical seam repairing and compensating method for self-adaptive LED display screen |
| CN114120887A (en) * | 2020-08-31 | 2022-03-01 | 西安诺瓦星云科技股份有限公司 | Display screen effect adjusting method, device and system and computer readable storage medium |
| CN112562592A (en) * | 2021-01-03 | 2021-03-26 | 厦门特仪科技有限公司 | Method for adjusting and calibrating gamma value of OLED and test system |
| CN113611242A (en) * | 2021-07-30 | 2021-11-05 | 卡莱特云科技股份有限公司 | LED screen correction coefficient generation method, LED screen correction coefficient adjustment method and LED screen correction system |
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Application publication date: 20170908 |