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.
Identifying the correct laptop series and laptop model number is essential to finding the correct part for your laptop. The laptop series is typically more prominently displayed as part of the branding of your laptop, typically on the top cover, or on the keyboard area or display panel area of your laptop when you open it up. However, laptop model numbers are not always easy to find.