Display Technology => There are number of display technology available for computing devices such as TFT (Thin Film Transistor), IPS (In-Place Switching), OLED (Organic Light Emitting Diode), AMOLED (Active-Matrix Organic Light-Emitting Diode), Super AMOLED (an advanced version of AMOLED) and there are two types of touchscreen displays Resistive Touchscreen (Resistive touchscreens not only works with human skin but also with stylus pen) and Capacitive Touchscreen (only work with human skin).
Display Size (in diagonal)
Display size of each computing device is measured diagonally in inches, cm, or mm.
Resolution (in Pixel)
720 x 1280 Pixel
Multitouch display functionality
Display Colors refer to the number of different shades of colors that the device screen is capable of displaying mostly there is three display color - 64K colors, 256K colors and 16 million colors used and 16M is the highest available range of colors and better than others.16M display color used in more advanced computing device such as Smartphone , Tablet or Gaming console while the 256K or 64K colors are used for basic handset and entry level computing devices.
Pixel Density (In PPI)
Information about the number of pixels per inch of the device screen. The higher the pixels density of any device, the more detailed and clearer content (Image, Video,Graphics, etc) will be shown on the display.
Yes Capacitive Touchscreen
Display Protection => is must have feature for all computing device, especially in Smartphone segment there is different-different technology for protecting the display from scratches, drops, water, dust, and bumps of everyday use.Most common display protection technology are corning gorilla glass, Tempered glass, Scratch resistant glass, Full lamination technology, OGS, and More. So whenever you buy a new device you should always consider the smartphone having display protection feature.
Display supports various kind of features such as Contrast ratio, NTSC, 2.5D curved glass, OLED, AMOLED and more features.
Some device comes with second display feature along with primary display, usually found in mobile phone.