Ads
related to: screen guards for laptopamazon.com has been visited by 1M+ users in the past month
Search results
Results From The WOW.Com Content Network
The first screen protector was designed and patented by Herbert Schlegel in 1968 for use on television screens. [1] In 1990s, the CRT screen protectors were used on CRT monitors for anti-glare and anti-radiation purposes. [citation needed] Later, they were adapted for use on LCD monitors.
Before the advent of LCD screens, most computer screens were based on cathode-ray tubes (CRTs). When the same image is displayed on a CRT screen for long periods, the properties of the exposed areas of the phosphor coating on the inside of the screen gradually and permanently change, eventually leading to a darkened shadow or "ghost" image on the screen, called a screen burn-in.
Computer and handheld screens Designation Usage W (px) H Aspect ratio Total pixels Storage Display Pixel 0.26K1 Microvision: 16: ×: 16 1∶1: 1∶1: 1∶1: 256
AOL Shield Pro Browser helps encrypts keystrokes to prevent keylogging, blocks screen grabs and warns of scam websites. Download free today!
AOL Desktop Gold is convenient and Easy to Use We kept the design and features you love, to ensure a smooth transition to our latest version. All your usernames, passwords, toolbar icons and mail ...
Most LCD screens, however, are built with an internal light source. Such screens consist of several layers. The backlight is usually the first layer from the back. Light valves then vary the amount of light reaching the eye, by blocking its passage in some way. Most use a fixed polarizing filter and a switching one, to block the undesired light.