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.
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