1770 Optoelectronics

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1770 Application Field and Working Principle – Display Modules - LCD, OLED, Graphic

For many years, life has been heavily reliant on the creation and use of display modules. Display modules are used in a wide variety of industries such as aerospace, automotive, consumer electronics and medical technology. Display modules provide easy to understand visual information, with some being able to support interactive features. By offering a window to the world for your product, you are able to increase customer satisfaction and efficiency of your product, therefore enhance the product’s appeal and in turn, its marketability.

One of the most popular types of display modules is the Liquid Crystal Display (LCD). This type of display module is already widely used in a variety of applications such as cell phones, digital cameras, laptop computers, and GPS navigation devices. LCD\'s can display information in monochrome and color, and range in size from several millimeters to several thousand millimeters. LCD\'s are made up of several thin layers separated by a few microns.

An important feature of LCDs is its compact size and versatility, it is lightweight and fits in the smallest of spaces, making it ideal for any application. It also has the ability to display a wide variety of data from text to graphics, pictures and video. Furthermore, there are no moving parts in LCDs making them durable and able to withstand harsh conditions. As LCDs are energy efficient and require very little power, they can be used in a variety of battery-powered appliances.

Organic Light Emitting Diode (OLED) is another type of display module that has seen an increase in popularity over the years. OLED displays are based on organic materials, thus the name organic, made up of thin organic films and substrates that produce light while utilizing very little energy. OLEDs are thin, lightweight and can achieve high levels of color yet still remain energy efficient due to their thin construction. OLEDs can be built into any device, adding modern graphics and visuals in a cost effective manner.

Another type of display module is the Graphic Module. Graphic modules are touchscreens that allow for user interfaces. The graphic module consists of a TFT active matrix, a thin flat panel module, and possibly a touchscreen. The TFT active matrix is a layer of transistors that control each individual pixel, resulting in a vibrant display capable of displaying images with incredible clarity. The touchscreen layer is used to allow for better user interaction with the display module.

As display modules become more common in our day to day lives, it is essential to understand their development and inner workings. With knowledge of the various types of displays, you can be prepared to choose the right display module for your next project. As you can see, every type of display module has its own benefits, thus it is important to consider each one before making a final decision.

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