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.
Here's another way to get the model number of your laptop. - Click Start and right click on Computer then select Properties. - On Properties screen you'll see the model number of your laptop under System. - Look for Synaptics or Asus Smart Gesture but may still vary on what your laptop came in with.