A practical glossary of terms to help you make the right choice for your next purchase:

LCD: liquid crystal display. It is made up of pixels arranged in front of a light source.

LED: screen made up of dots that light up individually

OLED: liquid crystal displays with the peculiarity that they can be bent, becoming curved screens.

Smart TV: this is the term for the new generation of intelligent televisions. The variety of functions and applications available on Smart TVs from different manufacturers is changing, but they are all based on internet connection and user interaction.

Herzios (HZ): Also called panel refresh rate. This is the measurement used to measure the refresh rate. The more hertz a TV has, the better the picture quality.

HDMI: A high quality cable connection for both picture and sound.

Resolution: This is the combination of the number of horizontal and vertical pixels on a screen. The pixel is the smallest unit from which images are formed.

HD READY: screens with a combination of 1280 x 720 pixels.

Full HD: Displays with a pixel combination of 1920 x 1080.

4K (Ultra HD) TVs: The ultimate in television. The resolution they offer is 3840 x 2160 pixels, almost 4 times more than most Full HD screens.

Viewing angle: This is the maximum field of view that a TV can offer without the user losing clarity in the picture. They are usually between 140° and 170°, depending on the model.

3D televisions: these are prepared for viewing three-dimensional images using different conversion techniques. Televisions equipped with Active 3D have an electronic device incorporated into the glasses, which converts the images into three dimensions. Only the glasses provided by the manufacturer of the screen can be used in 3D Active televisions. In 3D Passive televisions, the 3D images are generated directly by the screen, and the glasses have a special filter for viewing in three dimensions.