SLVAFM7 June   2024 TLC6983

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Display Technology Overview
    1. 1.1 Display Technology Comparison
    2. 1.2 LED Driver Topology
  5. 2Mini- / Micro-LED Display System Introduction
    1. 2.1 Matrix LED Display Basics
    2. 2.2 LED Display Emerging EEs and System Overview
    3. 2.3 Common Issues in High-Density Matrix LED Display
  6. 3Root Cause Analysis and TI Designs
    1. 3.1 Ghosting Issue
      1. 3.1.1 Downside Ghosting
      2. 3.1.2 Upside Ghosting
    2. 3.2 Coupling Issue
      1. 3.2.1 Brighter Coupling
      2. 3.2.2 Darker Coupling
    3. 3.3 Low Grayscale Non-Uniformity Issue
  7. 4Summary
  8. 5References

4 Summary

This application note firstly brings a thorough understanding of display technology, LED driver topology, matrix LED display driver architecture and system. Then the document goes deeper into root causes and designs of several typical LED display challenges, from IC circuits and algorithm perspectives, based on TI’s latest Common Cathode Matrix LED Display Driver TLC6983 and TLC6984, which is helpful for engineers to understand and use matrix LED display driver properly.