Quantum dot ultimate evolution BOE launches QLED screen

As a powerful contender for the next-generation display technology, quantum dot display technology, which can transmit different colors of colored light according to the size of the crystal grains and subjected to electricity and light, achieves the highest color purity and luminous efficiency to date. This technology can present users with richer and more accurate colors. However, due to technical reasons, quantum dot display has always used light quality light emission, and essentially cannot be separated from the backlight source. Just when the balance leans towards OLED, BOE suddenly exerts its efforts to develop a QLED display that does not require a backlight, and finally realizes the ultimate evolution of quantum dot technology.
It is understood that the 5-inch active quantum dot luminescence display product (AMQLED) developed by BOE is the result of the project of the State Key Research and Development Program of the Ministry of Science and Technology under the title of "Key Quantum Dot Luminescence Display Key Materials and Devices." Different from the way that LCD backlight uses QD materials to expand the color gamut, this product directly uses the inkjet printing process to produce QDs (QLEDs) to achieve full-color display with a color gamut exceeding 100%.
Quantum dots are tiny semiconductor crystals composed of only a few atoms. The quantum dot materials that absorb energy can be excited to emit light, and light emitting different colors can be achieved by controlling the size of quantum dots. Based on this characteristic, quantum dot technology is currently mainly used in quantum dot backlight technology and active quantum dot light emitting diodes.
At present, all QD TVs in the market are light-emitting, that is, LCD TVs using quantum dot backlight technology. Quantum dot backlight technology uses quantum dot materials instead of the phosphor light emitting layer in traditional LED backlights to make LED backlights with quantum films. The display color can be increased by more than 30% compared with conventional LED-backlit TVs. Compared to OLEDs, the electro-QLED display technology can also achieve perfect black, while having longer life, wider color gamut, and lower cost. In the future, it is more likely to subvert the market and dominate the future.
This time, BOE has developed an electroluminescence QLED product. Although it has only a small 5-inch size, it has subverted the situation in which Japanese and Korean manufacturers have been controlling core technologies. China's independent R&D has greatly encouraged people's hearts, and the control of core technologies will also help. In the new round of international competition of BOE's QLED products, it has realized cornering overtaking. The author predicts that in the future, QLEDs and OLEDs will have a long-term competitive situation, LCD will not exit the market within a short time, and the situation of technological disputes will continue for a long time.
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