Going the TFT-LCD route, especially given the flexibility to choose standard or IPS/Super-TFT, provides a wide choice of displays that are cost-effective, readily available in numerous sizes, and easily capable of displaying full-frame-rate video and smooth animations.

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Twisted liquid-crystal columns create waveguides to direct light from the display backlight through polarising filters. An electric field applied across ITO electrodes changes the crystal alignment to prevent the light passing and make specific locations appear dark. TFT-LCD Contrast can be limited, and colour-inversion can be perceived at extreme viewing angles.

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A Organic LED (OLED) display can be made lighter and thinner than conventional or Super TFT, partly because no backlight is required, meaning they also consume less power. Optical performance and viewing angles are also better than TFT. The wider temperature range of OLEDs also makes them a robust choice for industrial applications or use outdoors.

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In Plane Switching technology, changes in crystal orientation happen in the same plane as the glass sheets of the display. Therefore, pixels are dark in the off state instead of in the on state, which enables the display to appear true back when powered down. Contrast and colour fidelity are improved, and also more consistent, even at wider viewing angles than a standard TFT-LCD can manage. 

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Colour display selection depends on many factors required from your specific application: optical performances, cost, power budget, etc. Find out more about each colour display technology advantages and limitations to assess what's the best one for your product design. 

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Monochrome display selection depends on many factors required from your specific appliacation: optical performances, cost, power budget, etc. Find out more about each monocrome display technology advantages and limitations to assess what's the best one for your product design. 

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Display should be seen as an integration between electronic, mechanical and software design. You need to consider environment, users, ergonomics and then there is commercial constraints. Find out more.

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A custom display can be designed in 10-12 weeks. Most of the lead time is taken from the initial design and tooling phase and depends on the complexity of the project and the number of iterations. This is the same as a standard display.

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The manufacturing lead times for custom displays is actually the same as for standard and customised units: normally 12 weeks though this varies as it does for any other component.

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The obsolescence risk is actually lower with custom displays. Many standard displays are manufactured for high volume consumer products like smart phones – and the industrial market is supplied with products based on these requirements. The consequence is that the industrial market is subject to the vagaries of high volume consumer requirements. 

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Vertical Alignment (VA) LCDs  deliver excellent performance with high contrast and a deep black background.  As the name suggests, when the display is in off-state, the molecules are aligned vertically on specially textured inner surfaces of the two plates of glass, unlike TN mode displays where the LC molecules are aligned parallel to the glass.  This vertically aligned arrangement prevents light from passing.  As a result, the display produces a background that is deep black, enabling VA displays to achieve very high contrast ratios of more than 1000:1

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Super Twisted Nematic monochrome displays that are highly reliable , low cost and offer simple integration, long term availability and come with or without touchscreens. They consist of liquid crystal material sandwiched between two polarizing plates which are attached to the outside of two glass plates, one upper and one lower.  The polarizers are fixed to the upper and lower plates of glass with their polarizing planes oriented at 90? to each other.  

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Display that usess tiny Thin Film Transistors (TFTs) which are embedded into each and every RGB sub-picture element (RGB sub-pixel) on the display’s glass substrate.  Each sub-pixel can be individually addressed by the display drive system to switch pixels on and off as and when required.

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Standard TFT-LCDs do have some limitations. Contrast can be limited, and colour-inversion can be perceived at extreme viewing angles. Typical contrast ratio is about 400:1 with viewing angles of L70/R70/T70/B60.

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A custom display always starts with a blank sheet of paper. You can design a display that exactly meets your specifications: the size,form factor,interface and features you want. By contrast a customised display starts from a standard product and can be optimised by adding films and coatings that enhance optical performance, optimising the backlight and adding other features including EMI shielding.

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There is no definitive answer here but a custom display is more economic than you would think. Volumes of 100,000 or less can be viable. The additional costs of a custom display are all upfront in the design, development and the production tooling cost stage and are variable depending on the final design . The cost can be partly or fully recouped by eliminating unwanted features from the start.

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After your have validated the protoype, we would suggesta pre-production batch before final mass production quantities. This means you can resolve any last minute issues with production before ramping up.

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We would recommend a pre-production batch of around 10% of the anticipated annual volume, as an interim step before moving to full volume production. This is a critical stage – and a chance to iron out any issues and inefficiencies with this first batch before going into full production.

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Think of us as an extension to your design teams. We enable you to develop the right embedded display solution for your project. We go back to basics and learn exactly what the application is, enabling us to deliver a complete solution that exceeds your original expectation and can save a lot of time, money and headaches further down the line, with our highly skilled hardware, software, firmware and mechanical engineers.

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We look at what you are trying to achieve with your end product, the type of display you would like (simple icons or full graphics), the environment and location it will be used (indoors/outdoors/humid etc) and the users. From this we can design a solution using optimum display, CPU and components fit for purpose.

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The decision to choose an SBC or a COM depends on the specific project requirements and sales volume. Whichever route you opt for, the most important specifications are: The interfaces provided for sensors and actuators, the connectivity options for the network and Internet, is there a well-supported and robust board support package

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The advantages of the single board computer is that it is a ready to go instant platform that ships with all the drivers needed in the form of a board support package (BSP), saving a lot of development time and just needs to be loaded with the application software and interfaced to the display.

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The advantage of the core module path is that you can design the carrier board exactly according to your size and configuration requirements, and then connect an SoM to it. Clearly this will take time and design effort, but will allow you to create a board with exactly the I/O that you need for your design and of the right form-factor.

Upgrading to a colour TFT will mean extra system resources to run colour graphics or fluid animations. That will probably mean moving from a simple microcontroller to a microprocessor. Consider what you need to show on the display and what features you need to ensure your processing unit is up to the job.

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Microcontrollers, although powerful and energy efficient, can struggle to run colourful graphics or fluid animations on a TFT-LCD. Microcontrollers have limited on-chip RAM to store the frame buffer which can limit the display resolution and colour depth that can be supported. However, creative management of priorities can help you achieve a solution that satisfies the most important criteria: for example, a colourful user interface, or exciting animations may be possible using a smaller display or lower resolution.

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MIPI is a high speed interface between a host processor and a display module. It achieves high performance, low power and low EMI while reducing pin count, overcoming tight mechanical constraints. MIPI is ideal for brilliant colour rendering and depth for demanding imagery and video scenes.

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Taking a standard TFT and cutting it to the desired size is very economical and allows product designers to have the display they want in their existing enclosure, thereby saving valuable re-design cost and resources.

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Plasma Cleaning offers a more effective cleaning of the surface of a display than wiping and results in even stronger optical bonding. It can lessen the adhesion of dirt on the sensor and even remove organic residues, resulting in stronger, more reliable lamination.

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PMOLED is much thinner and lighter than other monochrome displays. They also offer much lower power consumption as they only use pixels when on. They are extremely bright and have a completely black appearance when off.

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In Plane Switching technology is probably the best solution, but comes at a price. You can use retro-fitted films and filters such as o-film, or optically bonding the display also reduces reflections and improves readability.

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O-film is a polarising film that can be added to a display and allows light to be re-directed and diffused over a wider area to improve viewing angles. Is is a lower cost alternative to optical bonding or IPS technology.

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Optical bonding is a well-established technology which dramatically reduces the reflections in displays by eliminating air gaps between the layers using an optically matched filler adhesive.

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QT is a software development kit (SDK) written in C++ which lets you design, develop, deploy, and maintain software running on most OS and hardware, as well as being highly efficient in terms of CPU cycles and memory footprint.

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A simple Serial Peripheral Interface (SPI) is used to send data between microcontrollers and small peripherals such as shift registers, sensors or SD cards. It utilises separate clock and data lines, together with a select line so you can choose the device you wish to talk to.

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Monochrome displays inherently use one third fewer pixels and resolution is slightly lower than a comparable TFT. Use of Vertical Alignment displays are very power efficient yet provide crisp sharp icons and a true back bacground.

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TN displays can have certain viewing angle limitations. HTN (Highly Twisted) can improve angles by 20° whereas STN (Super Twisted) can improve by 180°. FSTN and FFSTN include extra layers of compensating film in addtion to the polarisers to improve contrast and sharpness. DSTN and ASTN displays deliver stable display contrast over the entire temperature range of the application.

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Display starter kits from andersDX include the display, processor and OS of your choice, working together, out of the box with optimised QT GUI images. All you need to do is load the application software and tune it

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AMOLED (Active Matrix OLED) are truly emissive displays that generate their own light instead of modulating and filtering the light provided by a single common source - the backlight. This allows them to have a thinner design (as there is no backlight) and appear brighter but use much less power than a TFT.

Both AMOLED (Active Maxtrix) and PMOLED (Passive Matrix) generate light through the emissive electroluminescent layer (negating the need for a backlight), but the PMOLED uses a simple row/column pixel which imposes the need for higher refresh rates, whereas AMOLED allows each pixel to maintain its state between refresh cycles through the integration of an active circuit on each pixel, meaning refresh rates can be much lower.

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AMOLED offer wider viewing angles than TFT displays. They are also significantly thinner. Their construction allows more of the light to reach the top surface, so are perceived as brighter, yet use considerably less power than a TFT.

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AMOLED offers a wider viewing angle yet is significantly thinner as does not have a backlight like a TFT. AMOLED also uses less power but appears brighter. AMOLEDs also generally have higher operating temperatures than TFTs. However AMOLEDs are significantly more expensive than TFTs even IPS TFTs can be 50% less cost than an AMOLED for similar viewing angles and brightness. MOQs for AMOLED are also higher than for TFTs

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Glass thickness can affect the responsiveness of a display. For more responsive touch a thinner glass material should be selected. There are options for toughened glass which is thin, yet durable, for example Gorilla Glass.

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Controller choice varies depending on the end application of the display.Different ITO (Indium Tin Oxide) electrode patterns allow are used depending on whether the touchscreen is placed behind thick glass or accomodates users wearing gloves for example.

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Optimum selection of IC components and firmware tweaking are essential to reduce EMI. By including a ground shielding layer in the touch-sensor stack-up, you can reduce noise emanating from the LCD and entering the sensor’s circuitry.

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The answer is Yes. We can cut down TFTs up to 10.1" to a specified height and add touch control, FPC and backlight.

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Optical Diamond Like Coating (oDLC™) is added to displays to achieve superior scratch resistance while maintaining outstanding optical clarity. An oDLC coating offers benefits such as high hardness, resistance to wear, chemical inertness and optical transparency, as well as low friction and smoothness. 

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