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  • 4x20 Large size Character LCD, Module size: 155.5 x 73.0 x 14.0 mm; 
STN Yellow-Green background color, Transflective polarizer, LCD controller Sitronix  ST7066.  Available in both 3V or 5V power supply options.  

This 4x20 character display has a low glare background making it easy to read in various directions and lighting conditions. It is readable with or without the backlight ON. It has has on-board controller logic for easy programming.

20x4 STN Character LCD C204BLBSYLY6WT55XAA

Ships within 1-2 business days.

Product Description

20x4 Character LCD Display   |  SC# C204BLBSYLY6WT55XAA

AKA: 1601 Alphanumeric module
Module size: 155.5 x 73.0 mm

STN, Yellow/Green background, Yellow/Green LED, bottom (or 6:00) viewing angle, Transflective (positive), RoHS Compliant.  Available in both 3V or 5V power supply options.  This display has a wide temperature range: -20° Celcius to +70° Celcius which equates to (-4° Fahrenheit to +158° Fahrenheit).

STN (Super-twisted Nematic) provides a sharper image and wider viewing angle than TN (Twisted Nematic). The cost for STN if approximately 5% higher than TN. STN is an ideal fluid for outdoor products that need to be read at various angles.  The Transflective polarizer is a mixture of Reflective and Transmissive. It provides the ability to read the LCD with or without the backlight on. It will work for all lighting conditions from dark with backlight to direct sunlight which makes it the most common choice. There is no cost difference between Transflective, Transmissive and Reflective.


  • Low cost option
  • With its low glare background & oversize fonts, it's readable with or without backlight
  • Built in controller allows quick development of firmware from built in character tables - Easy to program and release to production
  • Very versatile - Operates from cold to hot temperature range
  • Full documentation available



  • Mating connectors
  • Cables
  • Mounting screws
  • Demo boards
  • Development boards


Call between 7:30am to 4:30pm (MST) to talk to a real live human who will not send you to three different departments or to someone’s voicemail.  Call NOW for LIVE support.  (480) 503-4295

Warranty Information

Focus Display Solutions (aka: Focus LCDs) offers the original purchaser who has purchased a product from the a limited warranty that the product (including accessories in the product's package) will be free from defects in material or workmanship.

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