How the panel is seen: backlight and dimming, brightness and sunlight readability, IPS/TN/VA and OLED comparisons, optical bonding, cover glass and coatings.
30 articles in this category.
LCD defect vocabulary for buyers and suppliers: wrinkles, blotches, bruises and cloudiness mapped to the mechanisms behind them and to acceptance terms. | Target…
Read the noteMeasuring display brightness properly: what nits means, which instrument to use, the geometry and warm-up that change the result, and how to report it.…
Read the noteScreen discoloration explained for engineers: LED binning and ageing, polariser and adhesive change, cell-gap effects, and how colour tolerance is specified. | Target URL:…
Read the noteOptical bonding cost, yield and defect acceptance: what a bonding quote includes, who pays for yield loss and how to write a measurable standard.
Read the note"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 noteTwo 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 noteOptical 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 noteAn optical test setup is not a purchase; it is a capability built around the decisions the product actually needs to make. Buying a…
Read the noteTwo numbers describe most of what a front surface does to light: haze and gloss. They are related but not interchangeable, and they can…
Read the note"Active" and "passive" describe how a liquid-crystal display addresses its pixels, not how good it looks. The distinction matters because it explains why two…
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