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Journals

Segment LCD Displays with a 4:1 mux Interface

Segment LCD 4:1 mux interfaceThis article is a continuation in the Focus Display’s LCD Design Guide for Engineers series and will cover segment LCD Displays with the 4:1 multiplex bus.Segmented display technology is the most popular custom LCD technology that Focus Display Solutions designs; customized solutions allow the design engineer to choose the size of [...]

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Segment Ghosting in a Segment LCD (Liquid Crystal Display)

Engineering LCD display design guide This article, a continuation in Focus Display Solutions LCD display design guide for engineers, covers optimum driving frequency ranges and segment ghosting for a static-segmented LCD Display module. This bulletin is valid for all types of standard and custom segment LCD Displays including 4:1 mux, 3:1 mux and direct drive interfaces.Optimum [...]

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Segment LCD Displays: avoiding excessive DC component

This article, a continuation in Focus Display Solutions LCD Design Guide series, covers minimal recommended DC component values for a (static) segment LCD Displays module, and is valid for all types of standard and custom segment LCD Displays including 4:1 mux, 3:1 mux and direct drive interfaces. Segment LCDs: DC component and dissimilar metals I worked at [...]

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Segment LCD modules with Direct Drive or SPI bus

This article on the segment LCD interface is a continuation in our Liquid Crystal Guide for Engineers series and will cover segment LCD (Liquid Crystal Displays) with direct drive and SPI interfaces.Intro to the segment LCD interface Segmented display technology is the most popular custom LCD technology that Focus Displays designs. Customized LCD solutions allow the [...]

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Engineering design guide for Segment LCD Glass displays

This article is written as a technical introduction guide for segment LCD glass displays with the goal being to remove sales and marketing hype and replace it with an engineering point of view. This information will be technical in nature.Segment LCD Names There are several different names for the type of LCD you see pictured below. [...]

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Switching to a Color Segment Display

Changing to a color Segment displayA color segment display can be a great way to give your product a new look with minimal cost increase. Although segment LCD displays are an older display technology, they are still very popular in many new product designs. In this article we will cover the ability to add color [...]

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The half life of LED backlights

The half life of LED backlights need to be taken into consideration for those LCD displays that incorporate a LED backlight.Two types display modules Display modules can be broken down into two categories: Emissive and non-Emissive. Emissive displays are modules that produce their own light and can be seen in low or no-light ambient conditions, these [...]

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Replacement LED backlights for LCD Modules

Replacement LCD modules This article covers the wide spectrum replacement LED backlights (including LED, EL and CCFL), replacement backlights for obsolete LCD displays; and custom LED backlights with a current limiting resistors. Although the majority of new custom LCD designs we support are slated for new product development, we also receive a fair number of request for [...]

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Minimum Spacing for a Segmented LCD Display

Focus Display Solutions offers its LCD design guide series as an online resource for design engineers and product managers. For additional technical journals, visit our LCD Journal page.Small, low power segmented LCD displays As the popularity of 3V, 3.3V and battery powered products increases, so has the demand for smaller, low power LCD modules. Segmented LCD [...]

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VATN Display technology for Black Background LCDs

Re-Introducing VATN display technology Black background LCDs are becoming very popular for LCD design engineers. Automotive, Aviation, Industrial, Medical, no matter your industry, if your application requires a LCD display that is easily readable in low or no-light conditions give serious consideration to the VATN display! Re-introducing the VATN display since it is not a ‘brand [...]

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