FAQ: Product Update and Change Notifications

Crystalfontz Product Change and Update Notification page

Change notifications come in two forms: PCN and PUN. PCN stands for Product Change Notification. PUN stands for Product Update Notification. Official Definitions Product Change Notification (PCN) – Change to existing product form, fit or function, and is deemed significant enough for customer notification. Product Update Notification (PUN) – Changes to product that do not affect … Read more FAQ: Product Update and Change Notifications

What’s New?

Crystalfontz New Products Page

At Crystalfontz we are always working hard to maintain and improve our current line of display modules and bring you exciting new LCD options to choose from. When we upload a new display module to our site, it is featured on our New Products page. You can always find the link to this page in … Read more What’s New?

What is the Difference Between Transmissive, Transflective, and Reflective Display Modules?

Crystalfontz 160x80 Parallel Graphic LCD

We’ve added 3 new terms to the Crystalfontz Glossary this week. Here is a quick intro about the main defining feature for each type of display module.   Click on each link to learn more, see photos, and find applicable Crystalfontz displays for each category. Transmissive LCD – A transmissive LCD is always combined with a backlight. … Read more What is the Difference Between Transmissive, Transflective, and Reflective Display Modules?

What is the Difference Between Passive STN Segment, Alphanumeric, and Graphic Displays?

Passive STN (Super Twisted Nematic) displays come in three major types: 1) Segment 2) Alphanumeric / Character 3) Graphic Let’s take a closer look at these 3 types of displays. Segment LCDs A Segment display is the type of thing you see in gas pumps, calculators, or simple meters. It can usually show a few … Read more What is the Difference Between Passive STN Segment, Alphanumeric, and Graphic Displays?

A Closer Look: Crystalfontz ePaper 200×200 1.54″ Zero-Power Display

Crystalfontz e-paper 200x200

This black and white 200×200 e-paper display module is a perfect size for small, low power electronic shelf labels. Once the epaper’s eink image is shown, it remains visible with zero additional power! These e-Paper displays will retain the last image shown on their screen indefinitely, with no electrical connections and zero power consumption. Additional Benefits … Read more A Closer Look: Crystalfontz ePaper 200×200 1.54″ Zero-Power Display

FAQ: Why does the initialization code for a 20×4 LCD specify 2-line mode?

Why does the initialization code for a 20x4 LCD specify 2-line mode? Source: crystalfontz.com

When working with a 20×4 character LCD, you might be surprised to see the controller set to 2-line mode: Write_To_LCD(COMMAND,0x38); //SET 2 LINE,5*8 FONT Why would a 4-line LCD’s controller be set to 2-line mode? It has to do with the way the LCD glass is laid out. Essentially the display is the right and … Read more FAQ: Why does the initialization code for a 20×4 LCD specify 2-line mode?