Computer Science, asked by ghulebalasaheb55, 11 months ago

How pictures appear on screen​

Answers

Answered by sonali2853
1

Explanation:

LCD screens use a thin layer of liquid crystal, a liquid that exhibits crystalline properties. It is sandwiched in between two electrically conducting plates. The top plate is deposited with transparent electrodes and the back plate is illuminated so that the viewer can view the images on the screen

Answered by mohamedeshna747
0

Answer:

Explanation:

The cathode-ray tube (CRT) is the main component of all kinds of display-based electronics like the television, laptop, smartphones, tablets, projector, or in a cinema theatre screen.

The latest development is the usage of Liquid crystal displays (LCDs) which are light-weight, compact, portable, cheap, reliable, and easier on the eyes than cathode ray tube screens. LCD screens use a thin layer of liquid crystal, a liquid that exhibits crystalline properties.

It is sandwiched in between two electrically conducting plates. The top plate is deposited with transparent electrodes and the back plate is illuminated so that the viewer can view the images on the screen

.Applying controlled electrical signals across these plates activates various segments of the liquid crystal. This causes changes in their properties of light diffusion or polarization.

These segments can either transmit light or block light. An image is produced by passing light through selected segments of the liquid crystal to the viewer.

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