QLED is a technology based on you give what do you use nanocrystals known as quantum dots . The QLED TVs , therefore, they resort to this system.
It should be remembered that a led is a light emitting diode : that is, a valve with two electrodes that allows the passage of current in one direction and that, when receiving voltage, emits light. In the QLED technology , a bright led is responsible for lighting the quantum dots.
These quantum dots are semiconductors of very small size (nanostructures). By obtaining the LED light on demand, they offer an improvement in the performance of various aspects compared to other resources, such as the OLED technology (based on organic light emitting diodes).
It can be said that a QLED TV It is a led device that, to optimize performance, uses quantum dots. In this way, these quantum dots work by way of filters that provide a purer light.
Comparing both options, the OLED TVs They have millions of light-emitting organic diodes, each with individual lighting through the application of voltage. If one of these diodes does not receive electricity, it goes out. In the QLED TVs On the other hand, the LED backlight is responsible for feeding all quantum dots with a film. That is why the black level is achieved through a software .
It's important to put attention on QLED It is a recent technology that is still in development. The first televisions of this type went on market in the second decade of XXI century .