This has become a common display type for mid-range to high-end phones. OLED/AMOLED. OLED & AMOLED utilizes 'organic' LEDs which emits light and in the majority of cases does away with the need for the back-light of an LCD display resulting in a potentially thinner panel.
1 The model number is located on a small label located on the frame around the computer screen. (e.g., VGN-FW550F)  The computer information and compliance label, located on the bottom of the laptop case, indicates the actual model number.
This document pertains to finding the model and product number on HP notebook PCs. HP provides a type of model name near the notebook keyboard or screen, but this name or number might not be sufficient to obtain support for your computer. These names or numbers often represent a series of many notebook computers that look similar, but have different options and parts.