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OLED displays

OLED displays Since the introduction of mass production, OLED displays have gained immense popularity in many applications, displacing the traditional LED displays and monitors with cathode-ray tube CRT. The design of OLED displays based on semiconductor technology enables producing a bright and clear image. OLED technology has found application in computer monitors, televisions, interface, portable media devices, as well as in control panels and instrumentation control panels.

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How to build a OLED display?

As well as LED displays, and OLED displays based on semiconductor technology. The core layer of the display has a thickness of from 100 nm to 500 nm, which corresponds to approximately 1/200 the thickness of a human hair. Most often, the OLED displays are constructed of 2-3 layers of organic material, in which two conductive layers are responsible for the transfer of electrons from the anode to the end of the third layer, which emits light. The Foundation display, usually made of plastic, glass and film, and a layer of emissive polymer. The anode is responsible for the input of the electronic holes during current flow and the cathode input of electrons during current flow. The conductor layer, is responsible for the provision of electronic holes from the cathode is of the conducting polymer - polianiliny. Emissive layer is responsible for electron emission from the cathode and is performed polifluorenu and creates the destination image.

How are OLED displays?

In order for OLED display to work, must be delivered to the battery or a stabilized power supply. Electric current flows from the cathode to the anode through the conductive layers. The cathode represents the electrons in a layer of issue and anode knock out electrons from the conductive layer, i.e., introduces a hole in it, electronic. Between the layer of the question and non-conductive when the electrons hit the electron hole, they fill it, resulting in the release of energy in the form of photons, i.e. light particles. Thus, the emission layer OLED display and transmits images. The glowing color of the image depends on the quantitative chemical composition of the layers of the display, and its brightness depends on current consumption, and the more current consumption, the display will Shine brighter. OLED display high quality screen is used in many projects.

OLED display - many practical advantages and applications

The popularity of OLED displays in many consumer and professional applications based on their numerous advantages. The use of plastic materials influenced the increase in the service life of the displays and reducing their weight. In addition, given the absorption of light through a glass layer rail in monitors LED and LCD, which displays OLED is not used or is added in a small amount, the use of elements of plastic and polymers has led to a clearer image and eliminate the need for the use of lighting subsidiary, which favorably resulted in the reduction of energy consumption from the power source. OLED displays are also very well read in a wide range of angle between the line of sight of the observer and the normal to the surface of the display.