The simple introduction of OLED
2017-03-10
OLED, that is, organic light-emitting diodes (Organic Light-Emitting Diode, UIV OLED) is also known as the mechanical and electrical laser display, organic light-emitting semiconductor (Organic Electroluminesence Display, UIV OLED). With liquid crystal display (Liquid Crystal Display, LCD) is a different type of light-emitting principle. OLED by the Chinese American professor Deng Qingyun (Ching W. Tang) in 1983 found in the laboratory, which launched a study of OLED. OLED display technology has the advantages of self luminescence, wide viewing angle, almost infinite high contrast, low power consumption, high reaction speed and so on. However, in the price (larger display panel), life, resolution temporarily unable to rival the LCD monitor.
 

 
Organic light emitting diode by color can be divided into monochrome, color and color and other types, including full-color organic light emitting diode fabrication is the most difficult; in the drive mode can be divided into passive (Passive Matrix, PMOLED) and active (Active Matrix AMOLED). Organic light emitting diode (organic light-emitting diode, OLED) is a patent developed by Kodak Corporation and has display technology, the technology of organic polymer material as the semiconductor light emitting diode (semiconductor) materials. Polymeric materials can be natural or synthetic, and may be of large size or small size. Protein and DNA are examples of organic polymers.
OLED can be divided into two kinds of luminescent materials: small molecules OLED and polymer OLED (also known as PLED). The differences between the small molecule OLED and the polymer OLED are mainly manifested in the different preparation process of the device: the small molecule device mainly adopts the vacuum thermal evaporation process, and the high molecular device adopts the spin coating or spray printing process.

 
OLED display technology is widely used in mobile phones, digital cameras, DVD, personal digital assistant (PDA), notebook computers, car audio and television.  The OLED display is thin and light, because it does not use the backlight, so OLED can be used in the lighting industry, such as OLED, OLED, OLED chandelier lamp eye protection lamp, OLED lamp etc.. OLED display with a maximum of 160 degrees wide perspective, the working voltage two to ten volts (volt, denoted as V). The new technology based on OLED is a flexible organic light emitting display (FOLED), which is likely to make the highly portable and foldable display technology possible in the future. It will also make OLED lighting will be more vigorous development, and the LED lamp under a high point the day and await for it.
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