Chapter 4 Flashcards
How many electrodes arena a pixel?
Two
What is the difference between vatic and passive LED
Each active pixel is powered by a transistor, passive affects through x and y axis. two control voltages for a row or column.
What is dual scan?
splits screen into two sections simultaneously refreshed to give faster refresh rate.
What is a privacy filter?
it allows people not to view a screen at a certain angle.
What is an anti-glare filter?
Placed on screen and helps prevent glare from the sun and light glare
What is the contrast ratio?
measure of luminance of brightest color to darkest color
In a plasma display how is energy liberated through the liquid?
energy is liberated during collision
how does a cathode ray tube work?
each beam makes a pass across the screen it lights phosphor dots on inside of glass tube
What does PDP stand for?
plasma display panel
What is a projector?
uses condensed video with lighting system
What is the frame rate?
measure of unique screen of content.
What is the refresh rate?
vertical scan frequency
what is a resolution?
how many software elements are used to draw the screen
what is multiple displays?
using multiple screens for a PCU
What is DLP
display device based on optical micro mechanical technology that uses digital micro- mirror device
