CN108665848A - OLED CELL panel Gamma Self-regulation track method and systems - Google Patents
OLED CELL panel Gamma Self-regulation track method and systems Download PDFInfo
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- CN108665848A CN108665848A CN201810411050.7A CN201810411050A CN108665848A CN 108665848 A CN108665848 A CN 108665848A CN 201810411050 A CN201810411050 A CN 201810411050A CN 108665848 A CN108665848 A CN 108665848A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
-
- 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
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0673—Adjustment of display parameters for control of gamma adjustment, e.g. selecting another gamma curve
Abstract
The invention discloses a kind of OLED CELL panels Gamma Self-regulation track method and systems, the method includes：Configure device parameter, white picture and RGB picture adjustment parameter；Principle, which is lighted, according to CELL panels wave file and pixel does waveform conversion and the binding of Data voltages；The corresponding Data voltages of red, green, blue picture are adjusted with adjustment coloration, cycle executes, and until searching aim colour angle value and corresponding Data voltage values, carries out white picture Gamma and adjusts, until present intensity value is in target brightness value error range；Readback CELL panels respectively tie up dotted state brightness and coloration, record and preserve the corresponding Data voltage values of each state；The Data voltage values of preservation are input to CELL panels, carry out picture detection.The system comprises PC, TEMS, lighting-up equipment, optical tester and CELL panels.The present invention is easy to operate, and coloration, brightness percent of pass are high, and testing efficiency is high, convenient for large-scale use in factory.
Description
Technical field
The present invention relates to the display of liquid crystal CELL panels and testing fields, in particular to a kind of OLED CELL panels Gamma
Self-regulation track method and system.
Background technology
In the production process of OLED CELL panels, intelligence equips detecting system based on optical principle come to being met in production
To common deficiency be detected.This novel test technology, quickly grows, and many producers are all proposed corresponding test and set
It is standby.Upon automatic detection, machine acquires image by camera automatically scanning, the qualified ginseng in the point and database of test
Number is compared, and by image procossing, checks defect, and defect is shown/marked by display or Automatic Logos,
And it is repaired.
The Testing index of intelligence equipment Gamma station routines has：
(1) adjusting range includes white, red, green, blue picture；
(2) white picture includes 10 kinds of luminance states, unified chromaticity coordinates；
(3) red, green, blue picture includes a kind of each luminance state, not control chromaticity coordinates；
(4) brightness range+- 10%, chromaticity range+- 0.02；
(5) regulating time 13 kinds of state total times of aspect are within 15S.
Gamma station equips a station in detecting system as intelligence, for before automatic detection panel so that face
Plate is under specific brightness and chroma state, with the effect and result preferably examined automatically.Current adjustment oled panel
Method be：(1) engineer manually adjusts out one group of empirical data on print panel, then passes through a little during automatic inspection
Lamp apparatus is output in panel, and due to the actual variance of screen itself, part screen easy tos produce colour cast；(2) to every screen into
Row adjustment.But it is poor because manually adjusting too low efficiency, accuracy and consistency, so the method for generally use adjust automatically.Have
Adjust automatically mode, how to be promoted regulated efficiency become intelligence equipment detecting system performance bottleneck.
Invention content
In view of the deficiencies of the prior art, the object of the present invention is to provide a kind of Self-regulation track sides OLED CELL panel Gamma
Method and system.
To achieve the above object, a kind of OLED CELL panels Gamma Self-regulation track methods designed by the present invention, it is special
Different place is, includes the following steps：
1) device parameter is configured；
2) white picture and RGB picture adjustment parameter are configured；
3) principle is lighted according to CELL panels wave file and pixel, for CELL panels each tie up a little do waveform turn
It changes and Data voltages is bound, execute step 4), step 5) successively；
4) parsing red, green, blue picture configuration adjusts the corresponding Data voltages of red, green, blue picture with adjustment coloration, cycle
It executes, until searching aim colour angle value and corresponding Data voltage values；
5) white picture configuration is parsed, tying up white picture a little to this carries out Gamma adjustings, until present intensity value is bright in target
In angle value error range；
6) after each of CELL panels tie up a whole adjustings, readback CELL panels respectively tie up dotted state brightness and color
Degree finely tunes up to each tying up brightness value and chromatic value under dotted state according to reading back result, records the corresponding Data electricity of each state
Pressure value, and preserve；
7) the Data voltage values of preservation are input to CELL panels, carry out picture detection.
Preferably, corresponding by adjusting red, green, blue picture with binary chop algorithm in the adjustment process of the step 4)
Data voltages are with adjustment chromatic value.
Preferably, in the adjustment process of the step 5) chromaticity coordinates is kept by adjusting tri- road Data voltages of R, G, B simultaneously
Under the premise of stabilization, search meets the Data voltage values of Gamma2.2 curves.
Preferably, the adjusting method of the step 4) is：
41) CELL panel chromatic values X, the Y currently tied up a little is obtained；
42) it examines chromatic value X, Y whether up to standard simultaneously, is to go to step 5), otherwise goes to step 43)；
43) roads adjustment R Data voltage values；
44) judge whether chromatic value X is up to standard, is, go to step 45), otherwise return to step 43)；
45) roads adjustment G Data voltages；
46) judge whether chromatic value Y is up to standard, is, read again CELL panel chromatic values, otherwise return to step 45)；
47) judge whether chromatic value X, Y are up to standard simultaneously, be to go to step 5), otherwise return to step 43).
Preferably, the adjusting method of the step 5) is：
51) CELL panels chromatic value X, the Y currently tied up a little, brightness value L v are obtained；
52) judge whether brightness value L v is up to standard, is, go to step 54), otherwise go to step 53)
53) while tri- road Data voltages of R, G, B are adjusted, gone to step 54)；
54) CELL panels chromatic value X, Y, brightness value L v are read again；
55) judge whether brightness value L v is up to standard, is, adjust success, otherwise go to step 51).
Most preferably, using the same plus same adjusting side subtracted when adjusting tri- road Data voltages of R, G, B simultaneously in the step 53)
Method.
The present invention also proposes a kind of system for realizing above-mentioned OLED CELL panels Gamma Self-regulation track methods, it is special it
It is in including PC, TEMS, lighting-up equipment, optical tester and CELL panels；
The PC：For to TEMS sending devices parameter, white picture and RGB picture adjustment parameter；
The TEMS：For controlling lighting-up equipment to CELL plane transport grayscale pictorial informations, control optical tester is adopted
Chromatic value, the brightness value for collecting CELL panels, for controlling lighting according to device parameter, white picture and RGB picture adjustment parameter
Equipment adjusts the Data voltage values of CELL panels, and control lighting-up equipment executes OTP burnings after the completion of adjusting；
The lighting-up equipment：For to CELL plane transport grayscale pictorial information, adjust CELL panels Data voltage values,
And execute OTP burnings；
The optical tester：For acquiring the chromatic value of CELL panels, brightness value is sent to TEMS；
The CELL panels：For showing grayscale pictorial information according to Data voltage values.
Further, the TEMS includes Command Line Parsing device, controller and actuator,
The Command Line Parsing device：For being parsed to device parameter, white picture and RGB picture adjustment parameter；
The controller is used to send out control instruction according to adjusting algorithm；
The actuator：For controlling lighting-up equipment to CELL plane transport grayscale pictorial information, tune according to control instruction
The Data voltage values of CELL panels are saved, and execute OTP burnings, the chromatic value of control optical tester acquisition CELL panels, brightness
Value.
Further, the TEMS is connect with lighting-up equipment by RJ45 interfaces, is connect by RS232 with optical tester
Mouth connection.
The present invention in addition propose a kind of OLED CELL panels Gamma Self-regulation track systems, including memory, processor with
And it is stored in the computer program that can be run in the memory and on the processor, it is characterized in that, the processor quilt
The step of above method being realized when being configured to execute the computer program.
The beneficial effects of the present invention are：
(1) regulating time of the present invention is short, and picture checks PG and the one-to-one mode of module, and the time for completing to adjust is apparently higher than
The regulating time of conventional method.
(2) percent of pass of the present invention is high, i.e. brightness meets under conditions of Gamma2.2 curves and error be ± 0.2, complete 255 ash
The percent of pass of rank brightness.The experimental results showed that the present apparatus has the characteristic that governing speed is fast, brightness percent of pass is high.
(3) present invention uses hardware and software platform software, keeps maximum flexibility, correction coefficient is all configurable, and IC parameters are complete
Portion is configurable；Keep maximum portability, compatible all mainstream PG equipment；Keep maximum opening, the seating surface of new IC
To user, it is only necessary to upgrade script and configuration file.
(4) present invention is easy to operate, and coloration, brightness percent of pass are high, and testing efficiency is high, convenient for large-scale use in factory.
Description of the drawings
Fig. 1 is the structure diagram of present system.
The flow chart that voltage is adjusted in the method for the present invention of the positions Fig. 2.
In figure：PC1, TEMS2, Command Line Parsing device 2-1, controller 2-2, actuator 2-3, lighting-up equipment 3, optical tester
4, CELL panels 5.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
A kind of OLED CELL panels Gamma Self-regulation track methods proposed by the present invention, include the following steps：
Step 1, conventional configuration, calibration and Basic function testing are carried out to optical tester 4.The present apparatus uses optic test
Instrument 4 is Admesy Hera equipment.
Step 2, white picture and RGB picture adjustment parameter are configured.
Step 3, principle is lighted according to CELL panels wave file and pixel, does waveform conversion and the binding of Data voltages；Its
The middle purpose for carrying out waveform conversion is so that 3 road Data voltages of red, green, blue are kept independently of each other to carry out Gamma adjustment.This
The lighting-up equipment 3 that device uses is PG600A.
For CELL panels 5 each tie up a little do waveform conversion and Data voltages binding, successively execute step 4), step
5)
Step 4, parsing red, green, blue picture configuration, it is corresponding by adjusting red, green, blue picture with binary chop algorithm
Data voltage values are with adjustment coloration, and cycle executes, until searching aim colour angle value and corresponding Data voltage values.It is specific to adjust
Process is as shown in Fig. 2, include the following steps：
41) chromatic value X, the Y for currently tying up CELL panels 5 a little are obtained；
42) it examines chromatic value X, Y whether up to standard simultaneously, is to go to step 5), otherwise goes to step 43)；
43) roads adjustment R Data voltage values；
44) judge whether chromatic value X is up to standard, is, go to step 45), otherwise return to step 43)；
45) roads adjustment G Data voltages；
46) judge whether chromatic value Y is up to standard, is, read again the chromatic value of CELL panels 5, otherwise return to step 45)；
47) judge whether chromatic value X, Y are up to standard simultaneously, be to go to step 5), otherwise return to step 43).
Step 5, parsing white picture configuration, successively to respectively tying up white picture progress Gamma adjustings a little, Gamma was adjusted
Cheng Zhong, by adjusting tri- road Data voltages of R, G, B simultaneously, under the premise of keeping stable color coordinate, search meets Gamma2.2 songs
The Data voltages of line, cycle executes, until present intensity is in object brightness error range.Specific adjustment process as shown in Fig. 2,
Include the following steps：
51) CELL panels chromatic value X, the Y currently tied up a little, brightness value L v are obtained；
52) judge whether brightness value L v is up to standard, is, go to step 54), otherwise go to step 53)
53) while tri- road Data voltages of R, G, B are adjusted, gone to step 54)；Experiments have shown that in a manner of to subtract together plus together while adjusting
Tri- road Data voltage effects of whole R, G, B are more preferable；
54) CELL panels chromatic value X, Y, brightness value L v are read again；
55) judge whether brightness value L v is up to standard, is, adjust success, otherwise go to step 51).
Step 6, after all adjusting, the brightness for respectively tying up dotted state of readback Check CELL panels 5 and coloration, according to
Reading back result is finely tuned to decide to do.After Check results OK, record the corresponding Data voltages of each state, and be saved in local PC1 and
In lighting-up equipment 3.
Step 7, it after being switched to picture inspection station, is exported extremely by lighting-up equipment 3 with the Data voltage values that step 6 preserves
CELL panels 5 carry out picture detection.
Based on the above method, adjusting test result of the invention is as shown in table 1, and specific adjusting data are as shown in table 2.
Table 1 adjusts test result
Table 2 adjusts data
In terms of software feature, the present invention relies on hardware and software platform software to keep maximum flexibility, correction coefficient that can all match
It sets, IC parameters are all configurable；Keep maximum portability, compatible all mainstream PG equipment；Maximum opening is kept, newly
The support user oriented of IC, it is only necessary to upgrade script and configuration file.
In terms of system architecture, the present invention is using the existing PC+PG+ optical instruments probe networking mode of our company.
The present invention also proposes a kind of OLED CELL panels Gamma Self-regulation track systems, including memory, processor and
It is stored in the computer program that can be run in the memory and on the processor, which is configured as executing the computer
The step of above method is realized when program.
The present invention is based on OLED CELL panel Gamma Self-regulation tracks methods to be realized by following systems, but the system
It is not the sole mode for realizing the method for the present invention, only a kind of embodiment proposed by the present invention.
The system of OLED CELL panel Gamma Self-regulation track methods, as shown in Figure 1, including PC1, TEMS2, lighting-up equipment
3, optical tester 4 and CELL panels 5；
PC1：For to TEMS2 sending devices parameter, white picture and RGB picture adjustment parameter.
TEMS2：Grayscale pictorial information is transmitted to CELL panels 5 for controlling lighting-up equipment 3, control optical tester 4 is adopted
Chromatic value, the brightness value for collecting CELL panels 5, for according to device parameter, white picture and RGB picture adjustment parameter control point
Lamp apparatus 3 adjusts the Data voltage values of CELL panels 5, and control lighting-up equipment 3 executes OTP burnings after the completion of adjusting.
TEMS2 includes Command Line Parsing device 2-1, controller 2-2 and actuator 2-3.Command Line Parsing device 2-1：For to equipment
Parameter, white picture and RGB picture adjustment parameter are parsed；Controller 2-2：Refer to for sending out control according to adjusting algorithm
It enables；Actuator 2-3：For controlling lighting-up equipment 3 according to control instruction grayscale pictorial information, adjusting are transmitted to CELL panels 5
The Data voltage values of CELL panels 5, and OTP burnings are executed, control optical tester 4 acquires the chromatic value of CELL panels 5, brightness
Value.
Lighting-up equipment 3：Data voltage values for transmitting grayscale pictorial information to CELL panels 5, adjusting CELL panels 5,
And execute OTP burnings.
Optical tester 4：For acquiring the chromatic value of CELL panels 5, brightness value is sent to TEMS2.
CELL panels 5：For showing grayscale pictorial information according to Data voltage values.
TEMS2 is connect with lighting-up equipment 3 by RJ45 interfaces, is connect by RS232 interface with optical tester 4.
It the above is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, without departing from the principle of the present invention, can be devised by several improvement, these improvement also should be regarded as the guarantor of the present invention
Protect range.
The content that this specification is not described in detail belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of OLED CELL panels Gamma Self-regulation track methods, it is characterised in that：Include the following steps：
1) device parameter is configured；
2) white picture and RGB picture adjustment parameter are configured；
3) principle is lighted according to CELL panels wave file and pixel, for CELL panels each tie up a little do waveform conversion and
Data voltages are bound, and execute step 4), step 5) successively；
4) parsing red, green, blue picture configuration adjusts the corresponding Data voltages of red, green, blue picture with adjustment coloration, and cycle executes,
Until searching aim colour angle value and corresponding Data voltage values；
5) white picture configuration is parsed, tying up white picture a little to this carries out Gamma adjustings, until present intensity value is in target brightness value
In error range；
6) after each of CELL panels tie up a whole adjustings, readback CELL panels respectively tie up dotted state brightness and coloration, root
According to reading back result fine tuning until each tying up the brightness value and chromatic value under dotted state, the corresponding Data voltage values of each state are recorded,
And it preserves；
7) the Data voltage values of preservation are input to CELL panels, carry out picture detection.
2. OLED CELL panels Gamma Self-regulation track methods according to claim 1, it is characterised in that：The step 4)
Adjustment process in binary chop algorithm by adjusting the corresponding Data voltages of red, green, blue picture with adjustment chromatic value.
3. OLED CELL panels Gamma Self-regulation track methods according to claim 1, it is characterised in that：The step 5)
Adjustment process in by adjusting tri- road Data voltages of R, G, B simultaneously, under the premise of keeping stable color coordinate, search meets
The Data voltage values of Gamma2.2 curves.
4. OLED CELL panels Gamma Self-regulation track methods according to claim 1, it is characterised in that：The step 4)
Adjusting method be：
41) CELL panel chromatic values X, the Y currently tied up a little is obtained；
42) it examines chromatic value X, Y whether up to standard simultaneously, is to go to step 5), otherwise goes to step 43)；
43) roads adjustment R Data voltage values；
44) judge whether chromatic value X is up to standard, is, go to step 45), otherwise return to step 43)；
45) roads adjustment G Data voltages；
46) judge whether chromatic value Y is up to standard, is, read again CELL panel chromatic values, otherwise return to step 45)；
47) judge whether chromatic value X, Y are up to standard simultaneously, be to go to step 5), otherwise return to step 43).
5. OLED CELL panels Gamma Self-regulation track methods according to claim 1, it is characterised in that：The step 5)
Adjusting method be：
51) CELL panels chromatic value X, the Y currently tied up a little, brightness value L v are obtained；
52) judge whether brightness value L v is up to standard, is, go to step 54), otherwise go to step 53)
53) while tri- road Data voltages of R, G, B are adjusted, gone to step 54)；
54) CELL panels chromatic value X, Y, brightness value L v are read again；
55) judge whether brightness value L v is up to standard, is, adjust success, otherwise go to step 51).
6. OLED CELL panels Gamma Self-regulation track methods according to claim 1, it is characterised in that：The step
53) using the same plus same adjusting method subtracted when adjusting tri- road Data voltages of R, G, B simultaneously in.
7. a kind of system for realizing OLED CELL panels Gamma Self-regulation track methods according to any one of claims 1 to 6,
It is characterized in that：Including PC (1), TEMS (2), lighting-up equipment (3), optical tester (4) and CELL panels (5)；
The PC (1)：For to TEMS (2) sending device parameter, white picture and RGB picture adjustment parameter；
The TEMS (2)：Grayscale pictorial information is transmitted to CELL panels (5) for controlling lighting-up equipment (3), controls optic test
Instrument (4) acquires chromatic value, the brightness value of CELL panels (5), joins for being adjusted according to device parameter, white picture and RGB picture
Number control lighting-up equipment (3) adjusts the Data voltage values of CELL panels (5), and control lighting-up equipment (3) executes OTP after the completion of adjusting
Burning；
The lighting-up equipment (3)：For the Data electricity to CELL panels (5) transmission grayscale pictorial information, adjusting CELL panels (5)
Pressure value, and execute OTP burnings；
The optical tester (4)：For acquiring the chromatic value of CELL panels (5), brightness value be sent to TEMS (2)；
The CELL panels (5)：For showing grayscale pictorial information according to Data voltage values.
8. the system of OLED CELL panels Gamma Self-regulation track methods according to claim 7, it is characterised in that：It is described
TEMS (2) includes Command Line Parsing device (2-1), controller (2-2) and actuator (2-3),
The Command Line Parsing device (2-1)：For being parsed to device parameter, white picture and RGB picture adjustment parameter；
The controller (2-2)：For sending out control instruction according to adjusting algorithm；
The actuator (2-3)：For controlling lighting-up equipment (3) according to control instruction grayscale picture is transmitted to CELL panels (5)
Information, the Data voltage values for adjusting CELL panels (5), and OTP burnings are executed, control optical tester (4) acquires CELL panels
(5) chromatic value, brightness value.
9. the system of OLED CELL panels Gamma Self-regulation track methods according to claim 7, it is characterised in that：It is described
TEMS (2) is connect with lighting-up equipment (3) by RJ45 interfaces, is connect by RS232 interface with optical tester (4).
10. a kind of OLED CELL panels Gamma Self-regulation track systems, including memory, processor and it is stored in the memory
In and the computer program that can run on the processor, it is characterised in that：The processor is configured as executing the computer journey
It is realized when sequence such as the step of any one of claim 1~6 the method.
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| CN112037712A (en) * | 2020-09-14 | 2020-12-04 | 深圳市创元微电子科技有限公司 | 3Gamma automatic correction burning method and device for OLED module |
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Application publication date: 20181016 |