POLCD Tech Blog

Beating Component Obsolescence: How to Manage EOL Risks for Long-Lifecycle Industrial Displays

Supply Chain / Component Lifecycle Risk Brief Beating Component Obsolescence: How to Manage EOL Risks for Long-Lifecycle Industrial Displays A phone display might be in production for a year and a half. The c...

TN vs. IPS in Industrial HMIs: Why True 178° Wide Viewing Angles Matter for Equipment Safety

Industrial Display / HMI Safety Brief TN vs. IPS Industrial Display: Why 178° Wide Viewing Angle LCD Modules Matter for HMI Safety On a factory floor, an operator almost never looks at an industrial HMI panel head-...

Beyond the ST7789V: Selecting the Right Driver ICs for Medium-Sized Industrial TFT LCDs

Beyond the ST7789V: Selecting the Right Driver ICs for Medium-Sized Industrial TFT LCDs A technical guide for embedded engineers scaling from small to medium display formats If you've read our previous deep-dive on ...

Wide Temperature TFT LCDs: How to Ensure Displays Work from −20°C to 70°C

POLCD Digital Products Custom Modules Technical Blog About Request Quote Technical Deep-Dive · Industrial Display Engineering Wide Temperature TFT LCDs:How to Ensure Displays Work from −20°C to 70°C Mos...

Industrial Display Procurement Guide: How to Evaluate Chinese Suppliers Across 4 Key Dimensions?

POLCD Digital Blog › Supplier Guide B2B Procurement · Supply Chain Industrial Display Sourcing Guide:4 Dimensions to Evaluate Chinese Suppliers Finding a reliable electronics manufacturing partner in...

Why Driver ICs Like the ST7789V Are Critical to Small TFT LCD Performance

POLCD Digital Blog › Driver IC Guide Technical Deep Dive · Display Hardware Why Driver ICs Like the ST7789V Are Critical to Small TFT LCD Performance Most B2B buyers evaluate displays by size and resolut...

How to Choose the Best 3.5-InchTFT LCD Module for Industrial Handheld Devices

POLCD DigitalHome / Blog / 3.5" TFT LCD Guide Technical Deep-Dive · June 16, 2025 How to Choose the Best 3.5-Inch TFT LCD Module for Industrial Handheld Devices 🕐 8 min read 📁 Selection Guide 🏷 SPI / RGB /...

We're Looking for One Great Line — and Paying $3,000 for It

POLCD Digital ← Blog Open Contest · 2026 We're looking forone great line. Our products ship to engineers and procurement teams around the world. The hardware has always done the talking. Now we want our b...

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