Samsung’s new MicroLEDs offer an extraordinary vision of the future of TVs

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Imagine a TV with the black of the OLED, saturated colors as only the Quantum Dots are able to return and a full screen brightness higher than that of the brighter MiniLED LCD. This is what the MicroLED technology promises, which Samsung has been trying to bring to the market for several years now, but which today is still relegated to a couple of very large and extremely expensive models (over 100,000 euros). At CES 2022, Samsung had announced the upcoming availability of a new generation of MicroLEDs, which is currently on display at the IFA in Berlin, in sizes ranging from 114 inches, down to a new 76 inches. Several times in past editions of the CES in Las Vegas, Samsung had anticipated the arrival of a 75-inch 4K MicroLED TV, a model that has never materialized into an actually purchasable product.

This new generation of MicroLED TVs is different from the models that Samsung has proposed so far and in a limited way brought to the market. The first generation of products based on The Wall concept was substantially derived from LEDs for Digital Signage, with pixels among the smallest on the market, but ultimately screens composed of modules based on tiles with discrete components, that is to say LEDs, however miniaturized. always welded on electronic boards. A technology that can scale in terms of pixel density up to a certain point without an exponential increase in production costs.

To make real MicroLED TVs, in which millions of LEDs of a few microns are used to make the subpixels of the screen, it is necessary to solder the optoelectronic devices on a TFT substrate, the thin transistor film that is used in all display technologies to drive individual pixels. This is what Samsung has done with this new generation of MicroLEDs, developing a new method of transferring LEDs on a “multi-chip” substrate. It must be taken into account that LEDs are produced on silicon wafers, from which they must be cut and somehow transferred and soldered onto a substrate in order to make a display.

Imagine what it means to do this with millions and millions of different colored LEDs for each screen and you will have an idea of ​​the complexity of developing a scalable and cost-effective manufacturing process for this technology. Samsung said its new manufacturing process is 1500 times faster than the traditional one. This should guarantee a reduction in costs, but above all the possibility of starting a mass production of this type of screens.

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The televisions on display sported a design very similar to that of the top of the Neo QLED range, with total absence of frames, and spectacular images for contrast, saturation and brightness of the images (so much so as to make it very difficult to photograph or film them. At least on the model 114-inch, in the few seconds of black screen between a demonstration movie and the other, it was possible to notice at the right angle, however, a tiled structure of the screen, which we were not able to notice on the 76 and 89 inch models. The rumors of the past few months, however, spoke of prices starting from 80,000 dollars for the 89-inch cut, which should finally become available by the end of the year. It should be noted that aside from the display at its IFA 2022 booth, Samsung has not made any specific announcements regarding the upcoming availability of this new generation of MicroLEDs.

The article is in Italian

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