A 3-inch screen is one that is 8.3 inches in diagonal length and is typically used in devices such as tablets, e-book readers and small laptops.
What is the aspect ratio of a 3-inch screen
The aspect ratio of a 3-inch screen is usually 16:10, which means that the ratio of width to height is 16:10.This means that the width of the screen is 1.6 times the height.
Resolution and Pixel Density of a 3″ Screen
The resolution of a 3″ screen refers to the number of pixels on the screen, which is usually expressed in terms of the number of horizontal pixels and the number of vertical pixels. A common 8.3-inch screen has a resolution of 1920 x 1200, which means that the screen has 1920 pixels horizontally and 1200 pixels vertically.
Pixel density is the number of pixels displayed per inch, usually expressed as PPI (PixelsPerInch). 8.3-inch screens have a pixel density of about 273 PPI, which means that 273 pixels per inch are displayed on the screen.
Usage scenarios for 3-inch screens
3-inch screens are commonly used in devices such as tablets, e-book readers and small laptops. Because of their moderate screen size, high resolution and high pixel density, they provide a better visual experience and are suitable for tasks such as watching movies, reading e-books and browsing the web.
In addition, the 8.3-inch screen can also be used in some special application scenarios, such as medical equipment and industrial control systems. Because of the moderate screen size, it can provide enough display area with limited space, and at the same time, the higher resolution can display more detailed information, which helps to improve work efficiency.