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What is the difference between OLED display and AMOLED display diodes?

2021-05-12 17:58:03
Times

What is the difference between OLED display and AMOLED display diodes? Many friends don't know about it; The following is a summary of Jiangxi xinzhijing optoelectronics Co., Ltd. - OLED display, Jiangxi OLED display and OLED display manufacturers


AMOLED belongs to OLED, but not vice versa. In short, OLED technology includes PMOLED and AMOLED. PMOLED does not need TFT backplane (different from LCD backplane), but its size cannot be very large; AMOLED can be very large in size. PMOLED mainly exists in the early dual screen mobile phone, used for small external screen, the current mobile TV use AMOLED technology.


OLED is organic light-emitting diodes. Its light-emitting material is organic light-emitting material, which is relative to LED light-emitting diodes. OLED will emit light as long as the right voltage is applied to the positive and negative poles. It is the same as an electric light bulb. Add a signal to it and it will work.


1.3寸TFT

AMOLED is an active organic light-emitting diode. It not only needs to add signal, but also needs to supply additional point source to make the diode reach the working state. At this time, it will turn on or off when it gives a signal of on or off. For example, it works like a TV. You can't watch it when you connect it with a cable signal. You can only watch it when you give it electricity. But only electricity, not cable signal, there is no program to watch.


Although LED is also common in daily life, in the screen, the size of each LED is very small, and is divided into three sub-pixel groups of red, green and blue, and then form different colors, and the arrangement of sub-pixel will also affect the whole display effect. The o in AMOLED stands for organic, that is, "organic". In short, a series of organic thin film materials are used between the positive and negative electrodes to achieve the purpose of luminescence.


In terms of structure, OLED is basically a diode, AMOLED is a transistor or multiple triodes jointly driving a light-emitting point.

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