Low-Power Display Design for Battery-Powered Instruments
Battery life in an instrument is usually decided by the display, and the display's consumption is usually decided by how it is used rather…
Read the note
Display engineering notes
Technical Blog
Engineering notes from the CDTech display team: choosing and integrating TFT LCD modules, touch screens and optical bonding for industrial, medical, automotive and smart-home products.
- TFT LCD modules
- Touch & bonding
- Industrial
- Medical
- Automotive
- Selection & sourcing
All articles
278 articles on choosing, integrating and qualifying display modules.
IEC 62368-1 for Display-Based Equipment: What It Changes for Your Build
Safety standards for electronic equipment changed shape a decade ago, and the change affects how a display is treated inside a product. Instead of…
Read the note
eDP Link Training and AUX Channel Troubleshooting
Embedded DisplayPort brings a negotiation step that other display interfaces do not have. Before any pixels move, the source and the panel agree on…
Read the note
Linux DRM/KMS Panel Integration and Device-Tree Timing
Bringing a custom panel up on Linux is mostly a configuration task, and the configuration is spread across more places than most engineers expect:…
Read the note
Display Specification Terminology: The Terms Buyers Most Often Confuse
Most specification disputes come from a term that both sides read differently. The number is not wrong; the definition is. This glossary pairs each…
Read the note
How Viewing-Angle Specifications Are Measured and Why They Mislead
"Viewing angle 178 degrees" is one of the least meaningful numbers in a display specification. The figure depends on a threshold that is rarely…
Read the note
Colour Calibration and Delta-E for Industrial Displays
Delta-E is the number quoted when a display is described as colour-accurate. It is also one of the easiest numbers to quote misleadingly, because…
Read the noteResponse Time and Motion Artifacts in Industrial HMI
Response time appears on most display specifications as a single figure in milliseconds. It is almost always measured under conditions that do not match…
Read the noteLED Binning and Brightness Matching Across Display Units
Two displays from the same specification can differ visibly when they sit side by side. The difference is not a defect: it is the…
Read the noteInspecting Optical Bonding Quality in Display Modules
Optical bonding improves contrast and reduces internal reflections, and it introduces a class of defects that exist between two layers and cannot be repaired…
Read the note