What are Pixels and Dead Pixels?
A group of triple dots, which is the smallest part of all digital images, is called a pixel. It is derived from the compound word "picture element", which means picture piece in English. Pixel consists of pix, which is the abbreviation of the word picture, and the first two letters (el) of the word element (piece).
In devices with screens, an image is formed by combining thousands of pixels and acquiring various colors. However, a few of these thousands of pixels may be dysfunctional as a result of factory errors. These dysfunctional pixels are defined as Dead Pixels. Especially on newly purchased devices, having dead pixels is a reason for return. For this reason, when a device with a screen is purchased - such as a phone, monitor, television - it should first be tested for dead pixels, and if there are dead pixels, a replacement or refund request should be made for the purchased device.