Indlela Yokuxazulula Ukungafani Kwezinhlobo Zemibala Ngemuva Kokushintsha Amamojula E-LED
Kwadalwa ngo 09.22
How to Fix Color Inconsistency After Replacing LED Display Modules
Color inconsistency followingLED displaymodule replacement is a high-frequency challenge in engineering maintenance. It not only causes obvious "color blocks" and "bright spots" on the screen but also directly undermines the professionalism of advertising displays, stage effects, or information transmission. In severe cases, it may even lead to customer complaints. Fortunately, as long as the root causes of the problem are identified and operations are carried out in accordance with the process, most color deviations can be completely resolved.
Common Causes of Color Inconsistency Post-Replacement
Ukuze ubhekane nenkinga ngempumelelo, kubalulekile ukuqonda okokuqala izici eziholela ekungahambisani kwemibala:
- Module Specifications kuDifferences
- Improper Parameter Configuration
- Ukuguga Okungalingani Kwamamojula Asemqoka
- Faulty Signal Transmission Paths
Step-by-Step Solutions to Resolve Color Inconsistency
Step 1: Conduct a Comprehensive Hardware Inspection
Ngaphambi kokuba uqhubeke nezilungiselelo eziyinkimbinkimbi, qala ngokuqinisekisa ukuthi imishini isesimweni esihle:
- Hlola ama-signal cables kanye nama-power cables wemamojula ashintshiwe. Qinisekisa ukuthi ama-cables afakwe ngokuqinile ezindaweni ezifanele zomlawuli kanye namamojula, futhi shintsha noma yiziphi ama-cables anok damage obonakalayo (njengokuphuka noma izintambo ezivelelayo).
- Hlola isimo sokuxhumana samamojula. Uma kukhona ukuvuvukala noma uthuli kumamojula, cleans them with a professional cleaning agent to ensure good contact.
- Qinisekisa isimo sokusebenza sokulawulwa kokubonisa kanye nom distribhuthwa wezimpawu. Uma kukhona izibani eziphambukile kumishini, phinda uqale noma ushintshe izingxenye eziphukile ngesikhathi.
Step 2: Qhuba Ukulungiswa KweParamitha YeModuli
Parameter calibration is the core step to solve color inconsistency:
- Xhuma umphathi wokubonisa kukhompuyutha efakwe isoftware yokulinganisa yobuchwepheshe (njengoba iNovaLCT, iLinsn LED Studio). Ngemuva kokuthi isoftware ixhume ngempumelelo kumabonakude, khetha umsebenzi "Ukulinganisa Imodyuli".
- Uma uma backup yezi zparamitha zomjikelezo wokuqala, faka ifayela le-backup ngqo kumamojula amasha ukuze uqinisekise ukuthi izparamitha eziyisisekelo (njengokushisa kombala kanye nenani le-gamma) zifana nohlelo lwangempela.
- If there is no parameter backup, use the software's "Manual Calibration" function. First, display a standard white image on the screen, then adjust the RGB channel values of the new modules one by one. For example, if the new module appears too blue, gradually reduce the blue channel value until it visually matches the surrounding old modules.
Step 3: Compensate for Aging of Original Modules
Ngokubhekisele kumadivayisi anempilo ende, ukulungiswa kokuguga kuyadingeka:
- Sebenzisa imitha yokukhanya yobuchwepheshe ukukala ukukhanya kwangempela kwemojula ezindala ezizungeze indawo eshintshiwe. Qopha inani eliphakathi kokukhanya njengestandadi esibhekwayo.
- Ku software ye calibration, vula umsebenzi we "Aging Compensation", faka inani lokukhanya elilinganisiwe, bese isoftware izozilungisa ngokuzenzakalelayo ukukhanya kwemodyuli ezintsha ukuze kuhambisane nezindala.
- Ngokwezimodule ezindala ezindala kakhulu, uma ukulungiswa kokukhanya okulula kungakwazi ukufinyelela ekuvumelaneni, khulisa ngokufanele umjikelezo wokushayela wezindala ngaphakathi komkhawulo ophephile wombane okukhulunywe ngawo umkhiqizi (qaphela: le nqubo kumele yenziwe ngaphansi kokuholwa kwezobuchwepheshe ukuze kugwenywe ukonakaliswa kwemoduli okubangelwa umjikelezo ophakeme).
Step 4: Carry Out Full-Screen Uniformity Calibration
Ngokwezinye izibonelo ezinkulu noma izimo ezinezimfuno eziphakeme zokusebenza kwemifanekiso, ukulungiswa kokuhlangana okuphelele kwesikrini akukwazi ukungabazeki:
- Beka umphakathi we-colorimeter ochwepheshe (njenge-X-Rite i1Pro 3) endaweni ejwayelekile ukusuka ku-display (ngokuvamile 1-2 meters, kuye ngensika ye-display). Sebenzisa i-colorimeter ukuqoqa idatha yemibala nokukhanya ezindaweni eziningi zokuhlola kulo lonke isikrini (kuhloswe ukusetha okungenani amaphuzu okuhlola angu-2-3 ngomitha eyodwa).
- Import the collected data into the calibration software. The software will analyze the data and generate a full-screen calibration plan, automatically adjusting the parameters of each module (including edge modules and corner modules) to ensure that the color and brightness of the entire screen are uniform.
- Ngemuva kokuphothulwa kokulungiswa, bonisa izithombe zemibala ehlanzekile (njengemibala ebomvu, eluhlaza, eluhlaza okwesibhakabhaka, kanye nekhaya elihlanzekile) esikrinini, bese uhlole uma kukhona umehluko obonakalayo wemibala noma umehluko wokukhanya ngamehlo. Uma kukhona izinkinga ezitholakele, phinda ulungise izindawo ezithintekayo.
Step 5: Conduct Real-Scenario Testing and Verification
Ngemuva kokuphothula lezi zinyathelo ezingenhla, qhuba ukuhlolwa okuphelele ezimeni zokusebenza zangempela:
- Play different types of test content, including static images (such as product pictures, text documents), dynamic videos (such as promotional videos, stage performances), and scrolling text. Observe whether the color of the replaced modules remains consistent with the surrounding area in different content display modes.
- Test the display effect from different viewing angles (front, left 45°, right 45°, upper 30°, lower 30°). Since the viewing angle ofLED displayswill affect color perception, ensure that the color remains uniform from all common viewing angles.
- Run the display continuously for 24 hours and conduct a second inspection. This can verify whether the calibrated parameters are stable and avoid color re-inconsistency caused by parameter drift.
Preventive Measures to Avoid Future Color Inconsistency
- Standardize Module Procurement
- Establish a Parameter Backup System
- Implement Regular Maintenance Plans
- Strengthen Technician Training
Ngokulandela lezi zinyathelo ezingenhla nezinyathelo zokuvikela, abaqeqeshi bokugcina bangakwazi ukusiza kahle ekuxazululeni izinkinga zokungafani kwemibala ngemvaLED displaymodule replacement, ensuring that the display maintains stable and high-quality visual effects. This is crucial for maintaining the brand image of commercial display users, ensuring the smooth progress of stage performances, and guaranteeing the accuracy of information transmission in public places.