They’re among the most common LED display configurations used for providing simple numerical readouts on a broad range of device types, including but not limited to: ![]() Seven-segment display arrangements are sometimes abbreviated to SSDs (not to be confused with the same acronym used for solid state drives!), and can also be referred to as ‘seven-segment indicators’. The individual diodes in a 7-segment display are arranged in a rough figure-eight shape, such that each LED segment can be individually illuminated (or left unlit), allowing the grouping to display any digit from 0-9. The purpose of these types of LED displays is typically just to provide clear and concise information readout for the user.Ī 7-segment LED display is one in which any numeral can be laid out using an arrangement of seven separate LED segments. However, in engineering component terms, the definition of an ‘ LED display’ is more commonly taken to be a discrete light-up readout board - often relatively small and simple - that’s designed to be attached to an instrument panel or mounted on a printed circuit board (PCB). These high-resolution LED displays tend to use hugely dense diode arrays - often numbering in the thousands - to control illumination and colour cycling across millions of individual pixels, allowing for the rendering of highly detailed images at pixel densities of up to 4k and even beyond. In entertainment tech sales, the phrase ‘LED display’ is often used very broadly to describe screens on all manner of devices (most commonly for products such as TVs, mobile phones and computer monitors). Many readers here will already know that the acronym LED stands for ‘light-emitting diode’, meaning a small cell or conductor that glows and becomes illuminated when a voltage is applied to it.
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