Master the technical specs behind high-quality screens. Learn about key technologies including COB vs. SMD, refresh rates, brightness standards, and power efficiency.
A stage-by-stage look at how a video wall works: processor, sending card, receiving card, canvas math, sync, calibration, and fault diagnosis.
How Does a Video Wall Work? The Signal Chain From Source to Screen (2026) Read More »
Three paths to build an LED screen, from a $30 ESP32 matrix to a $19k-$39k P10 wall, with module math, power, controllers, and factory testing.
How to Make an LED Screen: DIY, Modular Build, and Factory Manufacturing (2026) Read More »
What Is LED Anode Cathode? Anode is positive, cathode negative. Identify LED polarity, test with a multimeter, and avoid dead pixels during module repair.
What Is LED Anode Cathode? How to Identify, Test & Wire It Read More »
Black spots on LED screens usually mean failed lamp beads, a dead module region, or moisture damage. Diagnose, fix, and prevent them with this guide.
Black Spots on LED Screens: Causes, Diagnosis, and Repairs That Last Read More »
How does an LED display work? The full signal chain from video source to driver IC, plus RGB color mixing, packaging types, pitch, and refresh rates.
How Does an LED Display Work? The Complete Technology Guide Read More »
Does LED display burn in? Learn how LED walls develop image retention, how to fix and calibrate it, and the 24/7 content habits that prevent screen burn.
Does LED Display Burn In? Causes, Fixes, and Prevention for LED Walls Read More »
How many power supplies does an LED screen need? The per-cabinet 80% math with worked examples for 200-400W units, dual-rail screens, breakers and N+1.
How Many Power Supplies Does an LED Screen Need? Read More »
52 essential LED display terms every B2B buyer must know. Covers pixel pitch, SMD, COB, IP rating, refresh rate, NovaStar, and more with plain-English definitions and procurement guidance.
LED Display Industry Terminology: The Complete A-Z Glossary for B2B Buyers Read More »
COB vs MIP compared: structure, pitch ranges, field repair economics, the ISLE 2026 consensus, and which packaging to buy.
COB vs MIP: Which LED Packaging Technology Should You Choose in 2026? Read More »
SDI vs HDMI for LED walls and broadcast: cable distance, locking connectors, HDCP, the 3G/6G/12G ladder, and which NovaStar controllers have SDI.
SDI vs HDMI: Which Connection Should Your LED Wall and Broadcast Setup Use? (2026) Read More »
UnifyLED is a leading LED display manufacturer dedicated to providing high-quality, custom visual solutions. We design and engineer reliable displays tailored to meet the unique needs of every project worldwide.
unifyledscreen@gmail.com
+86-191-18802497
Room 301, Building E-2, Jinrong Wangcheng Technology Industrial Park, No. 858, Puri West Road, Wangcheng Economic & Technological Development Zone, Changsha City, Hunan Province, P.R. China
Order LED Screen? Please feel free to contact us at any time, and we will respond to you within 24 hours.