Search results
Results from the Think 24/7 Content Network
This table can be used in a number of ways : Find the optimal distance for a given screen. Example: for a 4K UHD screen 140 cm high (112 inches diagonal), the optimal distance is 140 × 1.6 = 224 cm. Find the right screen size. Example: for a 1080 HDTV used at a distance of 250 cm, you need to find a screen whose height is close to 250. /.
The Lechner Distance chart illustrates the optimal viewing distances at which the human eye can best process the details an HDTV resolution has to offer. For example, the optimal viewing distance for a 42 inches (110 cm) Full HD TV (1080p) is 5.5 feet (170 cm).
Display size. On 2D displays, such as computer monitors and TVs, the display size or viewable image size ( VIS) is the physical size of the area where pictures and videos are displayed. The size of a screen is usually described by the length of its diagonal, which is the distance between opposite corners, usually in inches.
Broadcast range. A broadcast range (also listening range or listening area for radio, or viewing range or viewing area for television) is the service area that a broadcast station or other transmission covers via radio waves (or possibly infrared light, which is closely related). It is generally the area in which a station's signal strength is ...
The following is the list of most watched television broadcasts in the United States by average viewership, according to Nielsen. Of the 30 most-watched telecasts, 27 are Super Bowls. The Apollo 11 moon landing is generally considered to have been the most watched event in American television history with an estimated viewership of between 125 ...
A study examined whether there is a relationship between students' reading grades and the amount of time they spend watching television. Subjects, seventh grade students from three classes (and four reading levels) of a public elementary school in Jersey City were given 84 charts to record their viewing habits for each of the three weeks of the survey.
In the most familiar acuity test, a Snellen chart is placed at a standard distance: 6 metres. At this distance, the symbols on the line representing "normal" acuity subtend an angle of five minutes of arc, and the thickness of the lines and of the spaces between the lines subtends one minute of arc. This line, designated 6/6 (or 20/20), is the ...
on system. Major technologies are CRT, LCD and its derivatives ( Quantum dot display, LED backlit LCD, WLCD, OLCD), Plasma, and OLED and its derivatives (Transparent OLED, PMOLED, AMOLED). An emerging technology is Micro LED. Cancelled and now obsolete technologies are SED and FED .