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.
Apple model numbers are the trickiest of them all. Apple Macbook, Macbook Pro, and Macbook Air luckily all use the same system. You'll find it on the bottom case, when the screen is closed look at the writing where the screen and hinges meet as shown in red. There will always be the letter A before the model number.