Display Customization IOT Displays
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Display Customization IOT Displays
The Internet of Things (IoT) is one of the most rapidly-evolving technology trends today. Experts agree that global investment in IoT solutions is going to rise significantly during the next decade.
IoT applications can be dedicated to individual customers – these are, for example, smart home solutions that rely on a number of connected devices managed with a mobile application. Another area of IoT development is IIoT (Industrial Internet of Things), which brings IoT-enabled industrial solutions for managing and optimizing production.
Regardless of their purpose, most IoT applications require suitable displays. Depending on the needs of an individual application, such displays need to match the demands of the environment where the device will be installed or energy consumption.
At Melrose, we offer IoT displays based on several different technologies. Our experts will help you select the optimal option for your application.
TFT LCD
LCD TFT technology is used primarily in consumer solutions due to its many advantages, such as fast response time and efficient display of dynamic content.
This type of display is perfect for applications involving multimedia content. However, because of the way they’re constructed, LCD TFT displays are characterized by high energy consumption. In fact, they’re the least energy-efficient devices among the options presented on this page.
You can use TFT LCD displays wherever there is access to a permanent power supply, and end-users are fine with having to charge the device.
Note that the displays have a built-in backlight, so you can use them in locations where ambient light is dim and mounting additional lighting is not possible. The use of TFT LCD displays in direct sunlight requires adding a stronger backlight, which may affect display thickness and increase energy consumption.
Example applications:
- Household appliances (smart refrigerators, smart washing machines, etc.),
- Controllers (for example, a thermostat),
- Wearable devices (smartwatches).
OLED
OLED displays are a common technology for IoT applications today. In comparison to mono LCM modules, OLED displays offer higher contrast, faster reaction time, full viewing angles, and lower energy consumption. Thanks to the use of an organic substance that emits light, OLED displays don’t require any additional layers of the backlight. This improves the economics of use and reduces display thickness, leading to the reduction of the entire device’s thickness.
Another advantage of OLED displays is that they allow the application of an organic substance to a plastic substrate. That enables businesses to create flexible displays that can be adapted to the device housing. Note that OLED displays are a relatively costly solution compared to the alternatives presented on this page.
Example applications:
- Smartphones,
- Smartwatches,
- Smart glasses.
OLED technology still remains a relatively expensive solution for many manufacturers. OLED modules are more costly than LCD TFT displays, and their energy efficiency is closely linked to factors such as the brightness and color of the displayed content. Images with a black background and including bright elements are optimal for OLED displays.
Electronic Paper Display (EPD)
Since IoT devices are usually battery-powered, energy consumption is often an important point that shapes the component choice. Electronic Paper Displays (also called the E-paper technology) are an excellent pick for satisfying the energy efficiency criteria thanks to their low power consumption. EPDs are based on bistability, which means that the required power is consumed when the content is changed or refreshed.
EPDs imitate traditional paper perfectly. Note that contrary to TFT LCD and OLED modules, e-paper is perfectly readable even when exposed to direct sunlight. However, the lack of backlight could become a problem if your application is located in a poorly-lit place. This is where you should consider adding a backlight to the module, remembering that it will increase energy consumption.
The most popular EPD modules are in black and white. You can add a third color to highlight important information. EPDs are used in both consumer devices and industrial applications.
Example applications:
- E-readers,
- Smartwatches,
- E-prices,
- E-badges,
- Smart work time registration systems,
- Digital signage.
EPD modules are an excellent choice for applications that don’t require extra illumination of the display, where energy efficiency is crucial, and content refreshing is relatively rare.
You can check out the ePaper application example to know a little more about custom IoT devices.
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