The display screen has the following characteristics:
1° The characters are of good definition and formed in a clear manner, of sufficient size and with adequate space between characters and lines;
2° The image is stable;
3° The luminance or contrast between the characters and the background of the screen are easily adaptable by the user of screen terminals and easily adaptable to the ambient conditions;
4° The screen is easily orientable and tiltable to adapt to the needs of the user. It can be installed on a separate stand or on an adjustable table;
5° The screen is free from reflections and reverberations likely to disturb the user.