We all know that LED is a light-emitting diode, but recently OLED is very hot, maybe we still don't know what OLED means, here I solve this puzzle for everyone.
LED applications can be divided into two categories: one is LED single-tube applications, including backlight LEDs, infrared LEDs, etc.; the other is LED display. At present, there is still a certain gap between China and LED in the manufacture of LED basic materials, but As far as LED displays are concerned, China's design and production technology levels are basically in line with international standards. The LED display is a display device consisting of an array of light emitting diodes. It adopts low-voltage scanning drive, which has the characteristics of low power consumption, long service life, low cost, high brightness, less failure, large viewing angle and long visible distance.
OLED: Organic Light Emitting Display, which is a new type of mobile phone LCD, is known as the "dream display." Unlike traditional LCD displays, OLED display technology eliminates the need for backlights and uses very thin organic coatings and glass substrates that illuminate when current is passed through. Moreover, the OLED display screen can be made lighter and thinner, has a larger viewing angle, and can significantly save power. However, although OLEDs with better technology will replace LCDs such as TFTs in the future, organic light-emitting display technologies have shortcomings such as short lifetime and large screen size.
The principle of illumination of LED and OLED is the same, except that the material used is different. The metal material used for LED is used, and the organic material is used for oled. OLED does not need a backlight, it will emit light by itself, it is composed of LED array. The brightness is higher than LED liquid crystal, and the thickness is thinner. It is a substitute for LED LCD screen in the future. LED LCD screen needs backlight, brightness is general, in daylight It's ugly and clear. But it is currently the most widely used.
Through the above explanation, I think everyone understands the difference between LED and OLED. Today, the school is here, thank you.
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