OCA vs OCR Bonding: Which Is Better for Rugged Displays?
OCA and liquid OCR bonding both eliminate the air gap between a cover lens, touch sensor, and LCD, improving contrast, readability, and impact resistance.…
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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.
How Can an MCU Drive a Small Bar TFT Screen Using SPI or I2C?
A small bar TFT can be driven directly from an MCU through SPI when its controller includes GRAM and accepts serial pixel writes. I2C…
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How Do NVIS-Compatible Military Displays Protect Night Vision?
NVIS-compatible military displays protect night-vision performance by suppressing the near-infrared energy that ordinary LCD backlights emit while preserving usable daytime brightness, color, contrast, and…
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Digital Signage Display: Reliable, Compliant Communication Systems
Digital signage display guidance for choosing reliable hardware, accessible content, and coordinated software workflows across commercial environments. Digital Signage Display Market Context A digital…
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How Can an LCD Display Achieve Flicker-Free Dimming?
A flicker-free LCD display reduces visible and invisible brightness modulation by using constant-current DC dimming or ultra-high-frequency PWM above 20 kHz. This matters most…
Read the noteHow Can Custom Automotive Displays Reach PVT Faster?
A custom automotive display can move from an original technical specification to EVT, DVT, PVT, and golden-sample approval in 4–6 weeks only when engineering,…
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Wide Screen LCD Monitor: Physical Parameters, Selection, Limits, and Customization
Wide screen LCD monitor selection: see what aspect ratio does to panel shape at one diagonal, where the geometry model stops, and what to…
Read the noteHow Does CDTech Validate LCD Display Reliability Through Testing?
CDTech validates LCD display reliability through high-low temperature cycling, thermal shock, constant temperature-humidity testing, electrostatic-discharge immunity checks, and mechanical drop evaluation. Inside its 10,000㎡…
Read the noteHow Does AOI Deliver Zero-Defect LCD Shipments?
Automated Optical Inspection (AOI) helps LCD manufacturers identify pixel defects, glass scratches, contamination, mura, and assembly abnormalities before shipment. By combining controlled lighting, high-resolution…
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How Can Industrial HMI LCDs Achieve IP65/IP66 Waterproof Sealing?
An IP65/IP66 industrial HMI display depends on a continuous, controlled seal between the front glass, LCD module, touch stack, enclosure, fasteners, and cable exits.…
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