Knowledge base

Choosing and specifying a display, end to end

A short course in display selection. Read the four stages in order, or search for a specific answer. Everything Orient Display knows about how displays work, how to specify them, and how to integrate them.

The path: four stages, in order
A labeled cross-section of an LCD cell with the viewer at the top: front polarizer, front glass with ITO electrodes and an optional color filter, the liquid crystal layer at the center, rear glass with ITO electrodes, a rear polarizer with or without a reflector, and a backlight at the bottom that is only present if the mode needs one. Each layer is tied to the article that covers it: positive versus negative modes, LCD color, liquid crystal types, how LCDs are driven, reflective, transmissive and transflective modes, and LCD backlight types, with a note that light crosses the whole stack so contrast, color, and viewing angle come from all of it.

How an LCD works, from liquid crystal to finished module.
Four display families and their defining trait: monochrome LCD and TFT are backlit, OLED is emissive, E-Paper is reflective.

LCD, OLED and e-paper compared, and the families inside each.
An integrated display shown as layers within an operating-temperature envelope: cover lens and surface treatments on top, then the touch sensor, then optical bonding filling the gap, then the display panel, then the interface to the host processor, with each layer labeled to the article that covers it.

Interfaces, touch, optical bonding, cover glass, temperature.
A two-phase arc from requirements to a sourced display. The Specify phase turns requirements into precise numbers through three articles: reading a display datasheet, brightness and sunlight readability, and lifetime and reliability, capturing what the part must do in numbers. An arrow leads to the Source phase, which turns the spec into a part you can buy through three more articles: custom vs off-the-shelf, what you can customize, and MOQ, tooling, and lead times, covering how to get it built and delivered. A note reads that specifying well first makes the sourcing conversation shorter.

Reading a datasheet, specifying brightness, MOQ and lead times.
Companion references: use as needed
The reference shelf: four learn clusters across the top, Display Fundamentals, Display Technologies, Design and Integration, and Specifying and Sourcing, each with an arrow pointing down into a wide Reference box labeled the lookup tier, which holds six lookup pages, the display glossary, units and measurements, sizes and resolutions, interface quick reference, character LCD configurations, and connector and pinout basics, with a note that when a learn article uses a term, a unit, a resolution, or a connector, this is where it is defined.

Look-up

Reference

Glossary, units, standard sizes, interface and connector tables. Look-ups, not a lesson.
An integration ladder rising from left to right by how much drive electronics sit inside the display. First a bare glass cell with no electronics, needing an external driver. Then a module with a driver IC bonded on. Then a module with a controller and GRAM that holds the image so a small MCU writes on change. Then an intelligent module over UART carrying its own MCU and firmware that takes high-level commands. A note reads that embedded describes how far up this ladder a display already sits, not a single product class.

Applied

Embedded Displays

Display modules with the controller and driver built in, linked to the product families.
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