Samsung and Hisense show how you can have a 120-inch TV made with lasers in your home

In the quest for bigger TVs, there are a few sizes that are common: 43-inch, 55-inch, 75-inch or 85-inch. But there is even larger 120-inch or 130-inch alternatives reminiscent of conventional projectorsbut they give it a twist by offering 4K resolution and depend of a device that does not need to be in the middle of a room, but uses lasers to generate an image very close to the wall.

Very short range laser projectors appeared a few years ago in the international market, and there are two that are now offered in Argentina: The Premiere, from Samsung, and the Laser TV L9 from Hisense (Other companies, such as Sony, LG or Xiaomi, also have models, although not available in the local market for now).

The short throw laser projector can be placed very close to the wall (10 to 30 cm away) and projects an image of 4K resolution and between 90 and 130 inches in size

The “very short range” is not a shortcoming, but a virtue: they are devices that use three red, green and blue lasers to project 4K resolution images on a surface from 90 to 130 inches (between 3 and 3.30 meters, measured diagonally), but located 11 or 20 cm from the wall (in the case of Samsung of Samsung models) or 30 cm (in the case of Hisense).

The lasers move at high speed forming the image, which is reflected in an optic that projects it on the wall; An advantage of this system is that the useful life of the elements is very high (about 20,000 hours), and that they do not heat up, so they do not need active cooling systems (fans), so they are very quiet.

A Hisense Laser TV L9;  the laser projector has built-in speakers and conventional TV functions
A Hisense Laser TV L9; the laser projector has built-in speakers and conventional TV functions

In addition to hiding the image when the device is not in use (that is, only the clean wall remains, and not the black rectangle of the blank panel), the advantage of these laser projectors is in the brightness (2200 or 2800 lumens on Samsung models, 3000 lumens on Hisense) maintaining 4K resolution, adding HDR10 and a faster response time than that of a large conventional screen (reached 120 Hz without problems). The manufacturers also say that the possibility of blurring that a conventional LED projector can have is eliminated.

A Samsung LSP9T;  the laser projector has built-in speakers and conventional TV functions
A Samsung LSP9T; the laser projector has built-in speakers and conventional TV functions

Laser projectors also have built-in speakers (30 or 40 watts of power in the case of the two Samsung models, or 40 watts in the Hisense equipment); Samsung models integrate the Bixby or Alexa digital assistant, HDMI inputs and the classic functions of a television; Hisense’s integrates with Alexa.

In Argentina, Samsung’s 4K LSP7T laser projector -capable of projecting an image from 90 to 120 inches- is priced at 699.999 pesoswhile the LSP9T model (which goes up to 130 inches, has a brighter laser and higher speaker power) is priced at 1.299.999 pesos. The Hisense Laser TV L9 is priced locally at 1.100.000 pesos, and will be available from next October.

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