The OLED TV, which is known as the king of the next generation of display technology, has been on the topic since its launch. Although the product is superior to other display products in terms of image expressiveness, brightness contrast and color reproduction, it has a low yield and expensive price. The emergence of the consumer has always stopped the OLED TV. A few days ago, the author received a lot of questions from consumers. The most concerned topic is the length of life of OLED TV. On the topic that everyone cares about, we will explain this to understand the service life of OLED TV, and whether it can satisfy the normal use cycle of consumers.
OLED (Organic Light-EmitTIng Diode) full name "Organic Light Emitting Diode" is a new display screen technology. The main reason for its longevity is the luminescent material itself. It is well known that the OLED luminescent layer is mainly composed of red fluorescent material, green light material and blue light phosphor material mixed into white light. The decay of the lifetime of one material will cause the whole OLED to fail, in other words, the key factor affecting the life of the OLED TV. It is "Blu-ray." The reason why the life of the blue light is short is that the energy of the blue photon is high, which easily causes the decay of the material. Since the OLED is a polymer organic material, the short life of the blue light becomes a short plate that cannot be avoided. LED backlight LCD TVs and quantum dot TV blue light sources are all inorganic materials, and in essence there will be much longer life than OLEDs.
However, with the continuous improvement of technology, OLED TVs can no longer use any blue light materials, but technology to make green light materials become blue light sources, thus developing OLED surface plasma coupling gain technology PC OLED (Plasmon-Coupled Organic LED) . According to the relevant technical personnel, when the experiment of the light-emitting structure of the green light material was carried out, it was found that the green light material actually emitted the impossible blue light, so began to design the special structure of the green light material, and finally adjusted the parameters and finally found out and The reason and method of emitting blue light from the green light material are summarized.
Finally, the DML structure is used to generate the planar plasma coupling effect (Plasmon-Coupled), which can convert the light-emitting spectrum of the green light material into blue light. The white light OLED can replace the traditional blue light material layer with the green light material, which not only has a short life span. It can be solved even more than 20 times longer than traditional OLEDs.
In fact, as an emerging form, OLED TVs do have such problems in the early days of the market, but as time goes by, the maturity and improvement of technology, multiple problems in OLED TV will be solved.
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