What Should You Test When LCDs Arrive?
Incoming inspection is where a display shipment becomes your problem or the supplier's. Testing LCDs on arrival—packaging and ESD condition, visual quality, power-on behavior,…
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Technical blog category
Quality, Testing & Compliance
Proving the module works: defect classes, mura and uniformity, AOI and AQL inspection, qualification and reliability testing, and the certifications buyers are held to.
Quality, Testing & Compliance articles
33 articles in this category.
How Does AQL Inspection Work for LCD Orders?
AQL (Acceptable Quality Limit) is the tool that turns "we want good displays" into a checkable agreement between buyer and supplier. It defines how…
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Which LCD Factory Certifications Actually Matter?
Factory certificates describe an organisation's management system; they do not approve a product. This page covers the four certificates that appear on display factory…
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How Do You Find a Reliable LCD Factory in China?
China dominates LCD module manufacturing, which means buyers face an enormous supplier market—and an equally large number of trading companies and inconsistent factories. Finding…
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Waterproof and Dustproof Displays: IP Ratings Explained
IP ratings are how buyers and suppliers agree on dust and water protection. An IP65 display, an IP67 panel, or an IP69K washdown unit…
Read the noteDisplay Reliability Testing: Thermal Cycling, Humidity, and Altitude
Reliability testing proves that a display survives the environment it will live in: thermal cycling for temperature change, humidity soak for moisture, thermal shock…
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Vibration and Shock Testing for Displays: What to Ask For
Vibration and shock testing for a display is only useful when the profile, the axes, the acceptance criteria, and the sample configuration are written…
Read the noteHow Does Custom LCD Prototyping Reach Mass Production?
Custom LCD prototyping moves from a confirmed specification to engineering drawings, EVT samples, DVT verification, PVT pilot production, and golden-sample approval. A fast 4-to-6-week…
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㎡…
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How 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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