What is OLED TV? OLED TV knowledge detailed wonderful explanation!
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What is OLED TV
OLED TVs are TVs that use OLED panels, and their relationship is similar to LED TVs and LCD panels. Organic light-emitting diodes (OLEDs) are also known as organic electroluminesence displays (OELDs). The semiconductor material used in the OLED organic television is the key factor for determining the organic or inorganic material when the Oxide TFT is used to deposit the active layer. The OLED luminous material contains carbon, so the OLED TV using the OLED luminous material is an organic television. ".
OLEDs feature self-luminescence and do not require a backlight source. Therefore, visibility and brightness are significantly improved over current LCDs, followed by low voltage requirements and high power-saving efficiency, coupled with fast response, light weight, and thin thickness. Its advantages such as simple construction are considered as one of the most promising products in the 21st century. 
OLED TV advantages
The advantages of LCD TVs are the high energy saving and high power consumption. The advantages of plasma TVs are good quality and no smearing. OLED TVs can be understood as an aggregation of advantages of LCD TVs and plasma TVs. OLED TV adopts self-illumination technology, so it has the advantages of fast response, no smearing, and pure black without light leakage; the thickness of OLED TV body is only about 3mm, which is beyond the reach of LCD TVs at present; and the viewing angle of OLED TV is large. There is no wide color gamut; OLEDs have higher luminous efficiency than LCDs and are therefore more energy-efficient and environmentally friendly. At the same time, OLEDs can be fabricated on different substrates and can be made into curved flexible displays, so many OLED TVs are curved screens. 
OLED TV disadvantages
After the OLED light-emitting material is electrified, its anti-oxidation capability is extremely poor. The water-tightness needs vacuum glass encapsulation. Therefore, the LTPS TFT substrate is needed. Therefore, the cost of the OLED large-size television is very high, resulting in the natural high price of the OLED TV. In addition, due to the different properties of the luminescent materials, the lifetime of the OLED panel is also a problem to be solved.
The essential difference between OLED TV and LED TV
LED TV, in fact, is still the LCD screen, but the backlight is changed from the original CCFL fluorescent to white LED lighting, it is also called WLED (white light diode).
OLED TVs no longer need LCD panels. RGB color signals are directly displayed by OLED diodes. There is almost no problem with the viewing angle of liquid crystals. 
Prospects
Although there are still many problems to be solved in OLED TVs, the advantages are even more obvious. Due to the characteristics of self-luminescence, both visibility and brightness are improved compared to LCDs, and they can bring users amazing and vivid image quality. . OLED's display technology has gradually matured, and OLED has been recognized as a direct replacement for LCDs. It is only a matter of time, so OLED TVs are still the future of smart TVs.