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CH 01 · Panel Architecture
5 guidesWhat Lives Between the Glass
Fourteen distinct layers stand between the LED and your eye. Knowing which one fails, and why, turns a troubleshooting guess into a diagnosis.
The Organic Stack That Actually Emits
Five organic layers, a few hundred nanometres total — the sequence is not decorative; it is the device.
Millions of LEDs, One at a Time
Mass transfer sits between microLED's physics and microLED's products. The physics works. The transfer doesn't — not yet, not at scale.
a-Si, LTPS, Oxide: The Backplane Decides
The transistor layer you never see controls the resolution, brightness, and price of every panel above it.
Why Static Images Leave a Ghost
Differential decay in the organic stack is irreversible. Every mitigation measure slows the clock; none stops it.
CH 02 · Light & Colour
5 guidesThe Triangle Is Not the Colour
A gamut percentage tells you the shape of a panel's colour space. It says nothing about whether the colours land where they should.
What D65 Actually Is and Why Panels Miss It
D65 is not a colour temperature. It is a defined spectral power distribution — and most panels only approximate it.
Quantum Dots Against the Phosphor They Replace
Two materials both convert blue photons into red and green light. Only one does it with enough precision to matter to the colour triangle.
More Zones, More Problems
Local dimming raises LCD contrast by controlling the backlight in sectors. More zones tighten the dark floor — but each zone boundary is a potential halo.
Peak Nits and the Conditions That Produce Them
The headline nit count on an HDR display is a single number describing a measurement taken under conditions no real content will reproduce.
CH 03 · Motion
5 guidesThe Frame Held Too Long
A display can refresh at 120 Hz and still produce motion blur your eye cannot ignore. The physics behind that paradox starts with how long each pixel stays lit.
How Variable Refresh Actually Synchronises
The frame isn't pushed to the panel — it's pulled, and the panel holds its breath until the source is ready.
Blinking the Backlight: What BFI Costs You
Interrupting the backlight sharpens motion — and immediately punches a hole in every other metric you care about.
Pushed Too Hard: Overdrive Artefacts Explained
LCD overdrive speeds up pixel transitions — push the voltage too far and you create a ghost in front of the object instead of behind it.
Four Motion Problems That Look Like One
Motion on a display always looks wrong in roughly the same way — smeared, stuttery, or soft — but the cause determines the fix, and the four most common causes have nothing to do with each other.
CH 04 · Manufacturing
4 guidesThe Sheet of Glass That Determines the Price
The mother-glass generation a fab chooses before pouring concrete determines which panel sizes are profitable — and which competitors can undercut you — for the next decade.
What a Particle Costs
A single dust grain in the wrong place doesn't slow a TFT fab down — it silently destroys value one substrate at a time.
Printing Light-Emitting Molecules
Inkjet deposition of soluble OLED materials promises to escape the economics of vacuum evaporation. The physics of the process is mostly understood; making it uniform enough to sell is another matter.
The Transfer Problem Has Not Been Solved
Mass-transfer yield for microLED at display densities is not a packaging problem with a clever solution waiting in the pipeline. It is a combinatorial wall.
CH 05 · Reading the Spec
4 guidesThe Contrast Number and the Room It Requires
A 1,000,000:1 contrast ratio measured in a dark lab with local dimming active tells you exactly one thing: what the panel can do when the test is designed to flatter it.
Grey-to-Grey and the Transition They Choose
That single response-time figure in the spec sheet is the best measurement from a 65,536-entry table. Here is how manufacturers pick it, and what the rest of the table looks like.
Typical Brightness Is Not Peak Brightness
A panel that peaks at 1,000 nits may sustain less than a third of that across a full white screen — and both figures are real, just answering different questions.
178° Viewing Angle and What Happens at 45°
The spec means contrast, not colour — and the two fail at very different angles.
CH 06 · Measurement & Tools
4 guidesFilter Wheel Against Full Spectrum
A colorimeter is fast, cheap, and wrong under the wrong light source. A spectroradiometer is slow, expensive, and right. Knowing which you need is half of calibration.
Delta-E: The Number and Its Limits
A single averaged colour-difference figure tells you less than the calibrator who sold it to you wants you to believe.
What a Calibration Actually Changes
Calibration sets the rendering path right; it cannot conjure primaries the panel never had.
Reading a Panel's Timing on a Scope
A sync pulse and a pixel clock carry more truth about a display's refresh behaviour than any spec sheet entry — if you know what to look for.