CN107516482A - A kind of OLED screen detection compensation method based on ARM - Google Patents
A kind of OLED screen detection compensation method based on ARM Download PDFInfo
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- CN107516482A CN107516482A CN201710757337.0A CN201710757337A CN107516482A CN 107516482 A CN107516482 A CN 107516482A CN 201710757337 A CN201710757337 A CN 201710757337A CN 107516482 A CN107516482 A CN 107516482A
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- arm
- oled screen
- handsets
- ccd camera
- manipulator
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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
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electroluminescent Light Sources (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The invention provides a kind of OLED screen based on ARM to detect compensation method, comprises the following steps：S1, ARM master control are sent simultaneously starts detection instruction to more ARM handsets；S2, ARM handset receive start detection instruction after, sent to the manipulator that each controls and take OLED screen to instruct；OLED screen is moved to OLED screen test station by S3, manipulator；S4, ARM handset output MIPI signals light OLED screen；S5, ARM handset send acquisition instructions to CCD camera；S6, CCD camera are taken pictures to the OLED screen lighted, and are completed pixel data and are gathered and send ARM handsets to；S7, ARM handset are compensated by image algorithm to OLED screen, and return result to ARM master controls.The beneficial effects of the invention are as follows：Detection can be synchronized to more OLED screens, detection efficiency is higher.
Description
Technical field
The present invention relates to OLED screen to detect compensation method, more particularly to a kind of OLED screen detection compensation method based on ARM.
Background technology
Because screen factory is during OLED screen curtain is produced, because technique and the relation of raw material, result in OLED screen curtain
Quality is very different, and yield is relatively low after disposable operation, and loss is very big.
The content of the invention
In order to solve the problems of the prior art, the invention provides it is a kind of can reduce scrappage based on ARM's
OLED screen detects compensation method.
The invention provides a kind of OLED screen based on ARM to detect compensation method, comprises the following steps：
S1, ARM master control are sent simultaneously starts detection instruction to more ARM handsets；
S2, ARM handset receive start detection instruction after, sent to the manipulator that each controls and take OLED screen to instruct；
OLED screen is moved to OLED screen test station by S3, manipulator；
S4, ARM handset output MIPI signals light OLED screen；
S5, ARM handset send acquisition instructions to CCD camera；
S6, CCD camera are taken pictures to the OLED screen lighted, and are completed pixel data and are gathered and send ARM handsets to；
S7, ARM handset are compensated by image algorithm to OLED screen, and return result to ARM master controls.
As a further improvement on the present invention, in the step s 7, the pixel data that ARM handsets collect according to CCD camera
Image algorithm detection is carried out, then the calibration data of compensation is write to the driving chip of OLED screen, finally returns to testing result
Give ARM master controls.
As a further improvement on the present invention, in the step s 7, if the picture uniformity of OLED screen is poor, gray scale is carried out
Compensation.
As a further improvement on the present invention, step S3 includes following sub-step：
S31, manipulator power-up initializing；
S32, judge whether to receive ARM handsets take OLED screen to instruct, if it is, OLED screen is moved to OLED screen by manipulator
Test station, if it is not, then re-executing step S32；
S33, manipulator back to zero position；
S34, send manipulator and add zero successfully to instruct to give ARM handsets.
As a further improvement on the present invention, step S6 includes following sub-step：
S61, CCD camera power-up initializing；
S62, judge whether to receive the acquisition instructions of ARM handsets, if it is, CCD camera is taken pictures to the OLED screen lighted, complete
Pixel data gathers and sends ARM handsets to, if it is not, then re-executing step S62；
The ready action of S63, CCD camera；
S64, transmission ready instruct of CCD camera give ARM handsets.
As a further improvement on the present invention, ARM master controls are communicated through network interface by interchanger and ARM handsets.
As a further improvement on the present invention, in step sl, ARM master controls are sent simultaneously starts detection instruction to 64
ARM handsets.
The beneficial effects of the invention are as follows：By such scheme, more OLED screens can be synchronized with detection, detection efficiency compared with
Height, for picture defective products, fraction defective can be reduced by compensating, reduce waste of raw materials.
Brief description of the drawings
Fig. 1 is a kind of multichannel schematic flow sheet of the OLED screen detection compensation method based on ARM of the present invention.
Fig. 2 is a kind of single channel schematic flow sheet of the OLED screen detection compensation method based on ARM of the present invention.
Fig. 3 is a kind of schematic flow sheet of the manipulator of the OLED screen detection compensation method based on ARM of the present invention.
Fig. 4 is a kind of schematic flow sheet of the CCD camera of the OLED screen detection compensation method based on ARM of the present invention.
Fig. 5 is a kind of schematic flow sheet of the ARM handsets of the OLED screen detection compensation method based on ARM of the present invention.
Embodiment
The invention will be further described for explanation and embodiment below in conjunction with the accompanying drawings.
As shown in Figures 1 to 5, a kind of OLED screen detection compensation method based on ARM, comprises the following steps：
S1, ARM master control are sent simultaneously starts detection instruction to more ARM handsets；
S2, ARM handset receive start detection instruction after, sent to the manipulator that each controls and take OLED screen to instruct；
OLED screen is moved to OLED screen test station by S3, manipulator；
S4, ARM handset output MIPI signals light OLED screen；
S5, ARM handset send acquisition instructions to CCD camera；
S6, CCD camera are taken pictures to the OLED screen lighted, and are completed pixel data and are gathered and send ARM handsets to；
S7, ARM handset are compensated by image algorithm to OLED screen, and return result to ARM master controls.
As shown in Figures 1 to 5, in the step s 7, the pixel data that ARM handsets collect according to CCD camera carries out image
Algorithm detects, and then writes the calibration data of compensation to the driving chip of OLED screen, testing result finally is returned into ARM master
Control.
As shown in Figures 1 to 5, in the step s 7, if the picture uniformity of OLED screen is poor, grey level compensation is carried out.
As shown in figure 3, step S3 includes following sub-step：
S31, manipulator power-up initializing；
S32, judge whether to receive ARM handsets take OLED screen to instruct, if it is, OLED screen is moved to OLED screen by manipulator
Test station, if it is not, then re-executing step S32；
S33, manipulator back to zero position；
S34, send manipulator and add zero successfully to instruct to give ARM handsets.
As shown in figure 4, step S6 includes following sub-step：
S61, CCD camera power-up initializing；
S62, judge whether to receive the acquisition instructions of ARM handsets, if it is, CCD camera is taken pictures to the OLED screen lighted, complete
Pixel data gathers and sends ARM handsets to, if it is not, then re-executing step S62；
The ready action of S63, CCD camera；
S64, transmission ready instruct of CCD camera give ARM handsets.
ARM master controls are communicated through network interface by interchanger and ARM handsets.
In step sl, ARM master controls are sent simultaneously starts detection instruction to 64 ARM handsets.
A kind of OLED screen detection compensation method based on ARM provided by the invention, using network topology structure, network communication
Agreement is UDP, and an ARM is set as master control, and other ARM are handset, and the quantity of handset is 64 at present, ARM master controls and 64
Platform ARM handsets are networked using gigabit switch, and ARM master controls are sent simultaneously starts detection instruction to 64 ARM handsets, 64 ARM
After handset receives instruction, sent to the manipulator each controlled and take OLED screen to instruct, transmission OLED screen curtain to nominative testing station,
MIPI signaling point bright screen curtains are exported, ARM handsets send acquisition instructions to CCD camera, and camera completes pixel data collection, by data
ARM handsets are given, ARM handsets write data to OLED screen driving IC after image algorithm compensates, and screen correction finishes, machinery
Hand continues to take OLED screen to complete detection correction next time, and returning to testing result after the completion of the detection of ARM handsets gives ARM master controls；ARM master
Control uses with ARM handsets and grinds magnificent RSB4221B industrial control boards, operating system LINUX, onboard 3 gigabit network interfaces.Manipulator
The three-shaft linkage series provided using EPSON.The CCD camera that SONNY companies provide.
A kind of OLED screen detection compensation method based on ARM provided by the invention, manipulator fully automatic feeding, automatic inspection
Survey, automatic camera, automatic algorithms compensation correction data, OTP writes self-designed driving IC；With gamma correction algorithm
Module, GAMMA curve modules, brightness adjusting section, OTP write-in functions, voltage setting, over-current over-voltage protection；Led using the world
First udp broadcast communication modes, 64 tunnel OLED screen curtains can be tested simultaneously, and complete corresponding parameter compensation.
A kind of OLED screen detection compensation method based on ARM provided by the invention, can go out defective products, to thing with efficient detection
The screen of reason damage is scrapped, and uses our backoff algorithm to the OLED screen curtain of picture uniformity difference, carries out grey level compensation,
The uniformity of screen is improved, reaches requirement of dispatching from the factory, reduces waste of raw materials, benefit is created for enterprise.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert this hair
Bright specific implementation is confined to these explanations.For general technical staff of the technical field of the invention, do not taking off
On the premise of from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the protection of the present invention
Scope.
Claims (7)
1. a kind of OLED screen detection compensation method based on ARM, it is characterised in that comprise the following steps：
S1, ARM master control are sent simultaneously starts detection instruction to more ARM handsets；
S2, ARM handset receive start detection instruction after, sent to the manipulator that each controls and take OLED screen to instruct；
OLED screen is moved to OLED screen test station by S3, manipulator；
S4, ARM handset output MIPI signals light OLED screen；
S5, ARM handset send acquisition instructions to CCD camera；
S6, CCD camera are taken pictures to the OLED screen lighted, and are completed pixel data and are gathered and send ARM handsets to；
S7, ARM handset are compensated by image algorithm to OLED screen, and return result to ARM master controls.
2. the OLED screen detection compensation method according to claim 1 based on ARM, it is characterised in that：In the step s 7,
The pixel data that ARM handsets collect according to CCD camera carries out image algorithm detection, is then write to the driving chip of OLED screen
The calibration data of compensation, testing result is finally returned into ARM master controls.
3. the OLED screen detection compensation method according to claim 2 based on ARM, it is characterised in that：In the step s 7, such as
The picture uniformity of fruit OLED screen is poor, then carries out grey level compensation.
4. it is according to claim 1 based on ARM OLED screen detection compensation method, it is characterised in that step S3 include with
Lower sub-step：
S31, manipulator power-up initializing；
S32, judge whether to receive ARM handsets take OLED screen to instruct, if it is, OLED screen is moved to OLED screen by manipulator
Test station, if it is not, then re-executing step S32；
S33, manipulator back to zero position；
S34, send manipulator and add zero successfully to instruct to give ARM handsets.
5. it is according to claim 1 based on ARM OLED screen detection compensation method, it is characterised in that step S6 include with
Lower sub-step：
S61, CCD camera power-up initializing；
S62, judge whether to receive the acquisition instructions of ARM handsets, if it is, CCD camera is taken pictures to the OLED screen lighted, complete
Pixel data gathers and sends ARM handsets to, if it is not, then re-executing step S62；
The ready action of S63, CCD camera；
S64, transmission ready instruct of CCD camera give ARM handsets.
6. the OLED screen detection compensation method according to claim 1 based on ARM, it is characterised in that：ARM master controls are through network interface
Communicated by interchanger and ARM handsets.
7. the OLED screen detection compensation method according to claim 1 based on ARM, it is characterised in that：In step sl,
ARM master controls are sent simultaneously starts detection instruction to 64 ARM handsets.
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| CN201710757337.0A CN107516482B (en) | 2017-08-29 | 2017-08-29 | ARM-based OLED screen detection compensation method |
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Cited By (4)
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| CN108428430A (en) * | 2018-03-06 | 2018-08-21 | 武汉精测电子集团股份有限公司 | A kind of multichannel gamma adjusting methods and device |
| CN111462697A (en) * | 2020-04-28 | 2020-07-28 | 苏州佳智彩光电科技有限公司 | AMO L ED screen mura external optical compensation method and system based on configurable script |
| CN111477177A (en) * | 2020-05-11 | 2020-07-31 | 苏州佳智彩光电科技有限公司 | High-speed external optical compensation method and system |
| CN113865826A (en) * | 2021-08-31 | 2021-12-31 | 广东省威汇智能科技有限公司 | Display screen module detection device and detection system |
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Effective date of registration: 20191012 Address after: 215000 no.258, Yihe Road, Wujiang Economic and Technological Development Zone, Suzhou City, Jiangsu Province Applicant after: Suzhou Jia Zhi Ai Optoelectronic Technology Co., Ltd. Address before: 518000, Guangdong, Shenzhen, Qianhai Shenzhen Hong Kong cooperation zone in front of the Bay Road A building 201 room (settled in Shenzhen Qianhai business secretary Co., Ltd.) Applicant before: Shenzhen Jiayi Photoelectric Technology Co., Ltd. |
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